JP2796163B2 - Hermetic electric compressor - Google Patents
Hermetic electric compressorInfo
- Publication number
- JP2796163B2 JP2796163B2 JP2055277A JP5527790A JP2796163B2 JP 2796163 B2 JP2796163 B2 JP 2796163B2 JP 2055277 A JP2055277 A JP 2055277A JP 5527790 A JP5527790 A JP 5527790A JP 2796163 B2 JP2796163 B2 JP 2796163B2
- Authority
- JP
- Japan
- Prior art keywords
- synthetic resin
- communication pipe
- suction muffler
- cylinder head
- oil
- 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 - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0055—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes
- F04B39/0072—Pulsation and noise damping means with a special shape of fluid passage, e.g. bends, throttles, diameter changes, pipes characterised by assembly or mounting
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は冷蔵庫，エアコンディショナ等に使用される
密閉型電動圧縮機に関するものである。Description: TECHNICAL FIELD The present invention relates to a hermetic electric compressor used for a refrigerator, an air conditioner and the like.
従来の技術 近年、密閉型電動圧縮機（以下圧縮機という）はエネ
ルギー効率の高いものが求められ、一般にダイレクトサ
クション方式における吸込マフラは合成樹脂製のものが
適しているのは既に知られている。2. Description of the Related Art In recent years, hermetic electric compressors (hereinafter referred to as compressors) are required to have high energy efficiency, and it is already known that a suction muffler of a direct suction type is generally made of a synthetic resin. .
以下図面を参照しながら、上述した従来の圧縮機の一
例（特開昭58−160570号公報）について説明する。An example of the above-described conventional compressor (Japanese Patent Laid-Open No. 58-160570) will be described below with reference to the drawings.
第４図，第５図は従来の圧縮機を示すものである。50
は密閉容器、51は密閉容器50内に弾性支持された圧縮要
素、52は圧縮要素51の上部に配設された電動要素であ
る。53は吸込マフラ、54はシリンダヘッド、55はひも出
し加工部を有する連通管、56はスプリング座金で、吸込
マフラ53はシリンダヘッド54にスプリング座金56を介し
て連通管56を圧入して固定されている。57は挿通管で吸
込マフラ53内に挿入されている。58はバルブプレート、
59はバルブプレート58に設けた吸込孔、60はシリンダで
ある。61は潤滑油、62はシリンダヘッド54内部へ潤滑油
61を供給するオイルキャピラリでシリンダヘッド54に圧
入されている。FIGS. 4 and 5 show a conventional compressor. 50
Is a closed container, 51 is a compression element elastically supported in the closed container 50, and 52 is an electric element disposed above the compression element 51. 53 is a suction muffler, 54 is a cylinder head, 55 is a communication pipe having a threaded portion, 56 is a spring washer, and the suction muffler 53 is fixed by press-fitting the communication pipe 56 into the cylinder head 54 via a spring washer 56. ing. Reference numeral 57 denotes an insertion tube which is inserted into the suction muffler 53. 58 is a valve plate,
59 is a suction hole provided in the valve plate 58, and 60 is a cylinder. 61 is lubricating oil, 62 is lubricating oil inside cylinder head 54
The oil capillary 61 is press-fitted into the cylinder head 54.
以上のように構成された圧縮機について、以下その動
作を説明する。The operation of the compressor configured as described above will be described below.
まず、電動要素52によって駆動される圧縮要素51には
外部冷却回路（図示せず）から挿入管57を介し吸込マフ
ラ53内へ冷媒ガスが吸込まれる。この冷媒ガスは連通管
55を通りシリンダヘッド54内へ導かれた後、吸込孔59を
通りシリンダ60へ導かれる。First, refrigerant gas is sucked into the suction muffler 53 from the external cooling circuit (not shown) through the insertion pipe 57 into the compression element 51 driven by the electric element 52. This refrigerant gas is
After being guided into the cylinder head 54 through 55, it is guided to the cylinder 60 through the suction hole 59.
発明が解決しようとする課題 しかしながら上記のような構成では、シリンダ60にオ
イルキャピラリ62,連通管56をそれぞれ圧入するため作
業性が悪い上、シリンダヘッド54に圧入されている連通
管56は構造上金属製となるため熱伝達が良く、この連通
管56を介して吸込まれる冷媒ガスが、高温のシリンダヘ
ッド54により加熱され膨張し、体積効率の向上が図りに
くい。However, in the above configuration, the oil capillary 62 and the communication pipe 56 are press-fitted into the cylinder 60, respectively, so that workability is poor, and the communication pipe 56 press-fitted into the cylinder head 54 is structurally inconvenient. Since it is made of metal, heat transfer is good, and the refrigerant gas sucked through the communication pipe 56 is heated by the high-temperature cylinder head 54 and expanded, and it is difficult to improve the volumetric efficiency.
また、連通管56を合成樹脂とした場合熱伝達が金属に
比べて悪いため連通管56を介して吸込まれる冷媒ガスは
あまり加熱されず体積効率は向上するが、一般に合成樹
脂は応力に弱いため取り付けが複雑になるという課題を
有していた。In addition, when the communication pipe 56 is made of synthetic resin, the heat transfer is worse than that of metal, so that the refrigerant gas sucked through the communication pipe 56 is not heated much and the volume efficiency is improved, but generally, synthetic resin is weak to stress. Therefore, there is a problem that the mounting becomes complicated.
本発明は上記課題に鑑み、作業性を向上し連通管を合
成樹脂とした場合の取り付け時の応力を少くすると共に
確実に固定した圧縮機を提供するものである。SUMMARY OF THE INVENTION The present invention has been made in consideration of the above problems, and provides a compressor in which workability is improved, a stress at the time of attachment when a communication pipe is made of synthetic resin is reduced, and the compressor is securely fixed.
課題を解決するための手段 以上の様な課題を解決するために本発明の圧縮機は、
圧縮機を構成する圧縮要素に挿入穴を設けたシリンダヘ
ッドと、前記挿入穴と連通するように挿入した連通管を
有する合成樹脂製吸込マフラと、一端を潤滑油溜まり中
に浸漬し他端を前記合成樹脂製吸込マフラ内に開口した
オイルキャピラリと固定用座具を圧接して吸込マフラの
連通管とオイルキャピラリとを固定する座金部とオイル
キャピラリを圧接するバネ部とを有する鋼帯とを備えた
ものである。Means for Solving the Problems To solve the above problems, the compressor of the present invention
A cylinder head provided with an insertion hole in a compression element constituting a compressor, a synthetic resin suction muffler having a communication pipe inserted so as to communicate with the insertion hole, and one end immersed in a lubricating oil reservoir and the other end A steel strip having a washer for fixing a communication pipe of the suction muffler and the oil capillary by pressing the oil capillary and the fixing seat which is opened in the synthetic resin suction muffler and a spring for pressing the oil capillary to the oil capillary. It is provided.
作用 本発明は上記した構成により、合成樹脂製吸込マフラ
をシリンダヘッドの挿入穴に挿入した後、オイルキャピ
ラリを合成樹脂製吸込マフラに取り付け、合成樹脂製吸
込マフラとオイルキャピラリをバネ部を有する鋼帯を介
して固定できるので、作業性が向上し、バネ性を有する
鋼帯が座金の役目をしているので合成樹脂製吸込マフラ
に加わる応力が少なく合成樹脂の信頼性の向上が図れ
る。Action The present invention has the above-described configuration. After inserting the synthetic resin suction muffler into the insertion hole of the cylinder head, the oil capillary is attached to the synthetic resin suction muffler, and the synthetic resin suction muffler and the oil capillary have a spring portion. Since it can be fixed via the band, the workability is improved, and since the steel band having a spring property serves as a washer, the stress applied to the synthetic resin suction muffler is small, and the reliability of the synthetic resin can be improved.
実 施 例 以下本発明の一実施例の圧縮機について図面を参照し
ながら説明する。第１図は本発明の一実施例における圧
縮機の要部分解斜視図、第２図は第１図の要部正面図、
第３図は第４図のＡ−Ａ線における要部断面図である。Embodiment Hereinafter, a compressor according to an embodiment of the present invention will be described with reference to the drawings. 1 is an exploded perspective view of a main part of a compressor according to one embodiment of the present invention, FIG. 2 is a front view of a main part of FIG. 1,
FIG. 3 is a sectional view of an essential part taken along line AA of FIG.
同図において、１は電動要素、２は圧縮要素、３は前
記圧縮要素２を構成するシリンダヘッド、3aは挿入穴3b
は吸込孔、４はシリンダ、５は吸込管、６は挿入管、７
は挿入管６を弾性支持するスプリング、８は合成樹脂製
吸効マフラで挿入管６が挿入されている。8aは合成樹脂
製吸込マフラ８と一体成形された連通管、8bは貫通穴、
8cは連通管8aに形成した固定用座具である。９は前記シ
リンダヘッド３に設けた前記合成樹脂性吸込マフラ固定
用ネジ穴、10は潤滑油、11は前記潤滑油10内へ一端を浸
漬させたオイルキャピラリ、12はバネ性を有する鋼帯、
12aはオイルキャピラリ11を押えるバネ部、12bは座金
部、13は固定用ボルトである。前記合成樹脂製吸込マフ
ラ８を前記シリンダヘッド３の上方の前記挿入穴3aに挿
入した後、前記オイルキャピラリ11の他端を前記貫通穴
8bへ挿入し、前記合成樹脂製吸込マフラ８と前記オイル
キャピラリ11を同時に前記バネ性を有する鋼帯12を介
し、前記固定ボルト13にて前記固定用ネジ穴９に固定し
ている。In the figure, 1 is an electric element, 2 is a compression element, 3 is a cylinder head constituting the compression element 2, 3a is an insertion hole 3b.
Is a suction hole, 4 is a cylinder, 5 is a suction pipe, 6 is an insertion pipe, 7
Is a spring for elastically supporting the insertion tube 6, and 8 is a synthetic resin absorbing muffler into which the insertion tube 6 is inserted. 8a is a communication pipe integrally formed with the synthetic resin suction muffler 8, 8b is a through hole,
Reference numeral 8c denotes a fixing seat formed on the communication tube 8a. 9 is a screw hole for fixing the synthetic resin suction muffler provided in the cylinder head 3, 10 is lubricating oil, 11 is an oil capillary having one end immersed in the lubricating oil 10, 12 is a steel strip having spring properties,
Reference numeral 12a denotes a spring portion for pressing the oil capillary 11, 12b denotes a washer portion, and 13 denotes a fixing bolt. After inserting the synthetic resin suction muffler 8 into the insertion hole 3a above the cylinder head 3, the other end of the oil capillary 11 is inserted into the through hole.
8b, the synthetic resin suction muffler 8 and the oil capillary 11 are simultaneously fixed to the fixing screw holes 9 with the fixing bolts 13 via the steel strip 12 having the spring property.
以上のような構成において、冷却装置（図示しない）
よりもどってきた冷媒ガスは吸込管５、スプリング７、
挿入管６を通り、合成樹脂性吸込マフラ８へ導かれ、連
通管8aを通り吸込孔3bよりシリンダ４内へ吸込まれる。
合成樹脂製吸込マフラ８をシリンダヘッド３上方の挿入
穴3aに挿入した後、オイルキャピラリ11を貫通穴8bに差
し込み、合成樹脂製吸込マフラ８とオイルキャピラリ11
をバネ性を有する鋼帯12を介して２本の固定用ボルト13
で同時に固定できるので作業性が向上し、バネ性を有す
る鋼帯12が座金の役目をしているので合成樹脂製吸込マ
フラ８に加わる応力が少なく合成樹脂の信頼性の向上が
図れる。In the above configuration, a cooling device (not shown)
The returned refrigerant gas is supplied to the suction pipe 5, the spring 7,
The liquid is guided to the synthetic resin suction muffler 8 through the insertion pipe 6 and is sucked into the cylinder 4 through the communication pipe 8a and the suction hole 3b.
After inserting the synthetic resin suction muffler 8 into the insertion hole 3a above the cylinder head 3, the oil capillary 11 is inserted into the through hole 8b, and the synthetic resin suction muffler 8 and the oil capillary 11 are inserted.
Through two steel strips 12 having spring properties.
, The workability is improved, and since the steel strip 12 having spring properties serves as a washer, the stress applied to the synthetic resin suction muffler 8 is small and the reliability of the synthetic resin can be improved.
発明の効果 以上のように本発明の圧縮機は、合成樹脂製吸込マフ
ラの連通管とオイルキャピラリをバネ性を有する鋼帯を
介して固定できるので作業性が向上し、しかもバネ性を
有する鋼帯が座金の役目をしているので合成樹脂製吸込
マフラにあまり応力を加えることなく固定でき、しかも
連通管に設けた固定用座具を座金部により圧接するの
で、連通管の円周方向のガタツキ防止を行い、従って、
連通管も合成樹脂にて成型できることとなり、冷媒ガス
の加熱，膨張を押え体積効率の向上、圧縮機としての性
能向上が図れる。Effect of the Invention As described above, the compressor of the present invention can improve the workability because the communication pipe of the synthetic resin suction muffler and the oil capillary can be fixed via the steel strip having the spring property. Since the band serves as a washer, it can be fixed without applying too much stress to the synthetic resin suction muffler.Moreover, since the fixing jig provided on the communication pipe is pressed against the washer, the circumferential direction of the communication pipe is Prevent rattling and therefore
The communication pipe can also be molded of synthetic resin, thereby suppressing the heating and expansion of the refrigerant gas, improving the volumetric efficiency, and improving the performance as a compressor.
第１図は本発明の一実施例における圧縮機の要部分解斜
視図、第２図は第１図の要部正面図、第３図は第１図の
Ａ−Ａ線における要部断面図、第４図は従来の圧縮機の
要部正面図、第５図は第４図のＢ−Ｂ線における要部断
面図である。 １……電動要素、２……圧縮要素、３……シリンダヘッ
ド、3a……挿入穴、８……合成樹脂製吸込マフラ、8a…
…連通管、8c……固定用座具、10……潤滑油、11……オ
イルキャピラリ、12……鋼帯、12a……バネ部、12b……
座金部。1 is an exploded perspective view of a main part of a compressor according to an embodiment of the present invention, FIG. 2 is a front view of a main part of FIG. 1, and FIG. 3 is a cross-sectional view of a main part along line AA in FIG. FIG. 4 is a front view of a main part of the conventional compressor, and FIG. 5 is a cross-sectional view of the main part along line BB in FIG. 1 ... electric element, 2 ... compression element, 3 ... cylinder head, 3a ... insertion hole, 8 ... synthetic resin suction muffler, 8a ...
... Communication pipe, 8c ... Fixing seat, 10 ... Lubricant, 11 ... Oil capillary, 12 ... Steel strip, 12a ... Spring part, 12b ...
Washer part.
Claims (1)
動要素を配設し、前記圧縮要素に挿入穴を設けたシリン
ダヘッドと、前記挿入穴に挿入した連通管を有する合成
樹脂製吸込マフラと、前記連通管に設けた固定用座具
と、一端は潤滑油溜まり中に開口し、他端を前記合成樹
脂製吸込マフラ内に開口したオイルキャピラリと、前記
固定用座具を圧接して前記吸込マフラの連通管とオイル
キャピラリとを固定する座金部と前記オイルキャピラリ
を圧接するバネ部とを有する鋼帯とを備えたことを特徴
とする密閉型電動圧縮機。1. A synthetic resin suction device having a compression element and an electric element elastically supported in an airtight container, a cylinder head having an insertion hole in the compression element, and a communication pipe inserted into the insertion hole. A muffler, a fixing seat provided on the communication pipe, and an oil capillary having one end opened in the lubricating oil reservoir and the other end opened in the synthetic resin suction muffler, and the fixing seat being pressed against each other. And a steel strip having a washer for fixing the communication pipe of the suction muffler and the oil capillary, and a steel strip having a spring for pressing the oil capillary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2055277A JP2796163B2 (en) | 1990-03-06 | 1990-03-06 | Hermetic electric compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2055277A JP2796163B2 (en) | 1990-03-06 | 1990-03-06 | Hermetic electric compressor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03258981A JPH03258981A (en) | 1991-11-19 |
| JP2796163B2 true JP2796163B2 (en) | 1998-09-10 |
Family
ID=12994101
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2055277A Expired - Fee Related JP2796163B2 (en) | 1990-03-06 | 1990-03-06 | Hermetic electric compressor |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2796163B2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101854933B1 (en) * | 2013-04-24 | 2018-05-04 | 엘지전자 주식회사 | Muffler for compressor and compressor having the same |
-
1990
- 1990-03-06 JP JP2055277A patent/JP2796163B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03258981A (en) | 1991-11-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |