JP5372702B2

JP5372702B2 - Horizontal vibration compressor

Info

Publication number: JP5372702B2
Application number: JP2009250883A
Authority: JP
Inventors: 順二吉原; 誠源島
Original assignee: Sawafuji Electric Co Ltd
Current assignee: Sawafuji Electric Co Ltd
Priority date: 2009-10-30
Filing date: 2009-10-30
Publication date: 2013-12-18
Anticipated expiration: 2029-10-30
Also published as: JP2011094568A

Abstract

<P>PROBLEM TO BE SOLVED: To provide a horizontal vibration compressor capable of effectively exhibiting an original spring characteristic of a suspension coil spring, excellent in vibration absorptivity, and also reducing noise. <P>SOLUTION: In this horizontal vibration compressor, a cylindrical vessel 1 for storing a compressor body 2 is constituted of a cylindrical body 3 and a pair of cover bodies 4 joined to both end opening parts of this body 3, and is arranged by turning the axis X1 toward the horizontal direction, and the suspension coil spring 7 is interposed between opposed surfaces of the compressor body 2 and the respective cover bodies 4 for supporting the compressor body 2, and a cushion holder 10 for holding a hollow cushion member 15 is fixed to an inner surface of the respective cover bodies 4, and a rod 17 inserted into a hollow part 16 of the cushion member 15 is fixedly arranged on an end surface of the compressor body 2. An annular void 18 for putting the mutual cushion member 15 and rod 17 in a noncontact state, is arranged between opposed peripheral surfaces of the cushion member 15 and the rod 17 when amplitude in the radial direction of the compressor body 2 falls within a range less than a predetermined value. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は，主として自動車に搭載される冷蔵庫に適用される横型振動圧縮機に関し，特に，圧縮機本体を収容する筒状容器が，円筒状の胴体と，この胴体の両端開口部に接合される一対の蓋体とで構成されると共に中心軸線を水平方向に向けて設置され，前記圧縮機本体及び前記各蓋体の対向面間に，該圧縮機本体を支持すべく予圧縮された懸架コイルばねを介装し，また前記各蓋体の内面に，中空のクッション部材を収容，保持するクッションホルダを固着し，前記クッション部材の中空部に挿入されるロッドを前記圧縮機本体の端面に固設したものゝ改良に関する。 The present invention relates to a horizontal vibration compressor mainly applied to a refrigerator mounted on an automobile, and in particular, a cylindrical container that accommodates a compressor body is joined to a cylindrical body and openings at both ends of the body. A suspension coil that is configured with a pair of lids and is installed with the central axis oriented horizontally, and is pre-compressed between the compressor body and the opposing surfaces of the lid bodies to support the compressor body. A spring is interposed, and a cushion holder for holding and holding a hollow cushion member is fixed to the inner surface of each lid, and a rod inserted into the hollow portion of the cushion member is fixed to the end surface of the compressor body. It relates to the improvement of the installation.

従来，かゝる横型振動圧縮機は，下記特許文献１に開示されているように，知られている。 Conventionally, such a horizontal vibration compressor is known as disclosed in Patent Document 1 below.

実公昭６１−１１５０９号公報Japanese Utility Model Publication No. 61-11509

従来のかゝる横型振動圧縮機では，ロッドをクッション部材の中空部の内周面に摺動自在に嵌合し，圧縮機本体の軸方向の振動を懸架コイルばねの伸縮方向の弾性により吸収し，圧縮機本体の半径方向の振動をクッション部材の弾性により吸収することにより，圧縮機本体自体が発生する振動や，外部から圧縮機本体に加えられる振動を吸収し，横型振動圧縮機の騒音の低減と耐久性を図るようにしている。 In the conventional horizontal vibration compressor, the rod is slidably fitted to the inner peripheral surface of the hollow portion of the cushion member, and the axial vibration of the compressor body is absorbed by the elasticity of the suspension coil spring. By absorbing the radial vibration of the compressor body by the elasticity of the cushion member, the vibration generated by the compressor body itself and the vibration applied to the compressor body from the outside are absorbed, and the noise of the horizontal vibration compressor is reduced. The reduction and durability are aimed at.

しかしながら，そうしたものでは，ロッドをクッション部材の中空部の内周面に摺動自在に嵌合しているため，ロッドとクッション部材とが常時接触しており，その間に発生する摩擦の影響により，懸架コイルばねの本来のばね特性が有効に発揮されず，しかも上記摩擦による摺動騒音が発生することがある。 However, in such a case, since the rod is slidably fitted to the inner peripheral surface of the hollow portion of the cushion member, the rod and the cushion member are always in contact with each other. The original spring characteristics of the suspension coil spring are not effectively exhibited, and sliding noise due to the friction may occur.

本発明は，かゝる事情に鑑みてなされたもので，懸架コイルばねの本来のばね特性を有効に発揮させることができて吸振性が良好で，しかも騒音が少ない横型振動圧縮機を提供することを目的とする。 The present invention has been made in view of such circumstances, and provides a horizontal vibration compressor that can effectively exhibit the original spring characteristics of a suspension coil spring, has good vibration absorption, and has low noise. For the purpose.

上記目的を達成するために，本発明は，圧縮機本体を収容する筒状容器が，円筒状の胴体と，この胴体の両端開口部に接合される一対の蓋体とで構成されると共に中心軸線を水平方向に向けて設置され，前記圧縮機本体及び前記各蓋体の対向面間に，該圧縮機本体を支持すべく予圧縮された懸架コイルばねを介装し，また前記各蓋体の内面に，中空のクッション部材を収容，保持するクッションホルダを固着し，前記クッション部材の中空部に挿入されるロッドを前記圧縮機本体の端面に固設した横型振動圧縮機において，前記クッション部材及びロッドの対向周面間に，前記圧縮機本体の半径方向の振幅が所定値未満の範囲にあるときは，前記クッション部材及びロッド相互を非接触にする環状空隙を設けたことを第１の特徴とする。 In order to achieve the above object, the present invention provides a cylindrical container that accommodates a compressor body, which is composed of a cylindrical body and a pair of lids joined to openings at both ends of the body. A suspension coil spring, which is installed with its axis oriented in the horizontal direction and is pre-compressed to support the compressor body, is interposed between the opposing surfaces of the compressor body and the lid bodies, and the lid bodies. In the horizontal vibration compressor, a cushion holder for housing and holding a hollow cushion member is fixed to the inner surface of the compressor, and a rod inserted into the hollow portion of the cushion member is fixed to an end surface of the compressor body. When the amplitude of the compressor body in the radial direction is in a range less than a predetermined value between the opposing peripheral surfaces of the rod and the rod, a first annular gap is provided to make the cushion member and the rod non-contact with each other. Features.

また本発明は，第１の特徴に加えて，前記クッション部材の中空部を，該クッション部材の前記圧縮機本体側の一端面に開口する円筒孔と，この円筒孔の内端から該クッション部材の他端面に向かって拡径しつゝ延びるテーパ孔とで構成したことを第２の特徴とする。 According to the present invention, in addition to the first feature, the hollow portion of the cushion member has a cylindrical hole opened on one end surface of the cushion member on the compressor body side, and the cushion member from the inner end of the cylindrical hole. A second feature is that it is configured with a taper hole that expands toward the other end surface of the first and second ends.

さらに本発明は，第１の特徴に加えて，前記クッションホルダを，前記各蓋体の内面に基端を固着される大径円筒部と，この大径円筒部の先端に環状肩部を介して連なる，大径円筒部より小径の小径円筒部とで構成する一方，前記クッション部材を，前記大径円筒部に嵌入される大径クッション部と，この大径クッション部に環状段部を介して連なり前記小径円筒部に嵌入される小径クッション部とで構成すると共に，前記大径クッション部を，前記環状肩部と，前記蓋体との間で挟持し，前記懸架コイルばねの一端部を前記小径円筒部の外周に嵌合すると共に前記環状肩部の外面に支承させる一方，この懸架コイルばねの他端部を，前記ロッドの根元に形成される位置決めボスの外周に嵌合すると共に前記圧縮機本体の端面に支承させたことを第３の特徴とする。 In addition to the first feature, the present invention provides the cushion holder with a large-diameter cylindrical portion whose base end is fixed to the inner surface of each lid, and an annular shoulder portion at the distal end of the large-diameter cylindrical portion. The cushion member is composed of a large-diameter cylinder part inserted into the large-diameter cylinder part and an annular step part through an annular step part. And a small-diameter cushion part that is inserted into the small-diameter cylindrical part, and the large-diameter cushion part is sandwiched between the annular shoulder part and the lid, and one end of the suspension coil spring is While being fitted to the outer periphery of the small diameter cylindrical portion and supported on the outer surface of the annular shoulder portion, the other end of the suspension coil spring is fitted to the outer periphery of a positioning boss formed at the root of the rod and This is supported on the end face of the compressor body. The the third feature.

さらにまた本発明は，第３の特徴に加えて，前記クッションホルダを前記筒状容器の中心軸線上に配置すると共に，前記ロッドを前記圧縮機本体の中心軸線上に配置し，前記クッション部材の中空部の中心軸線を前記筒状容器の中心軸線に対して，前記圧縮機本体の重量により生じる前記懸架コイルばねの撓み量に対応した所定量だけ下方にオフセットさせて，前記圧縮機本体の振動停止状態で前記前記ロッドを前記中空部の中心軸線上に位置させたことを第４の特徴とする。 Furthermore, in addition to the third feature of the present invention, the cushion holder is disposed on the central axis of the cylindrical container, the rod is disposed on the central axis of the compressor body, and the cushion member The center axis of the hollow portion is offset downward with respect to the center axis of the cylindrical container by a predetermined amount corresponding to the amount of deflection of the suspension coil spring caused by the weight of the compressor body. A fourth feature is that the rod is positioned on a central axis of the hollow portion in a stopped state.

さらにまた本発明は，第１又は第３の特徴に加えて，前記懸架コイルばねの線材の断面形状を，該懸架コイルばねの半径方向を長辺とする長方形にしたことを第５の特徴とする。 Furthermore, in addition to the first or third feature, the present invention provides a fifth feature in which the cross-sectional shape of the wire of the suspension coil spring is a rectangle having a long side in the radial direction of the suspension coil spring. To do.

本発明の第１の特徴によれば，圧縮機本体の左右両端より突出するロッドと，それを受け入れた，蓋体に固定のクッションホルダとの間には環状空隙が設けられているので，圧縮機本体の左右振動時や振幅が微小な半径方向の振動時には，ロッドのクッション部材との接触が回避される。その結果，懸架コイルばねは本来のばね特性を確実に発揮して圧縮機本体を確実にフローティング支持して，圧縮機本体の左右振動及び微細な半径方向振動を効果的に吸収することができ，しかもクッション部材との摺動による騒音を防ぐことができ，静粛な横型振動圧縮機を提供することができる。 According to the first feature of the present invention, an annular gap is provided between the rod projecting from the left and right ends of the compressor body and the cushion holder fixed to the lid, which receives the rod. When the machine body vibrates left and right or in the radial direction with a small amplitude, contact with the rod cushion member is avoided. As a result, the suspension coil spring can reliably exhibit the original spring characteristics and reliably support the compressor body in a floating manner, and can effectively absorb the left and right vibrations and minute radial vibrations of the compressor body. Moreover, noise due to sliding with the cushion member can be prevented, and a quiet horizontal vibration compressor can be provided.

また加振エネルギが大きく，圧縮機本体の半径方向の振幅が所定値以上になった場合には，懸架コイルばねを大きく撓ませながらロッドをクッション部材の中空部内面に当接させるので，ロッドの振動衝撃をクッション部材の圧縮変形により吸収することができる。 In addition, when the excitation energy is large and the radial amplitude of the compressor body exceeds a predetermined value, the rod is brought into contact with the inner surface of the hollow portion of the cushion member while largely bending the suspension coil spring. The vibration shock can be absorbed by the compression deformation of the cushion member.

本発明の第２の特徴によれば，ロッドが中空部の内面に当接してクッション部材に圧縮変形を与えるときは，ロッドのクッション部材との当接面は，円筒孔の内周面からテーパ孔の内周面へと広がり，その当接面積が漸増する結果，ロッドに対するクッション部材の反発力は，ロッドの半径方向の変位の増加に応じて増加することになり，これにより圧縮機本体の横振れの過度の増加を衝撃を伴なうことなく効果的に抑制することができる。 According to the second feature of the present invention, when the rod abuts against the inner surface of the hollow portion and compresses the cushion member, the abutment surface of the rod with the cushion member is tapered from the inner peripheral surface of the cylindrical hole. As a result of spreading to the inner peripheral surface of the hole and gradually increasing the contact area, the repulsive force of the cushion member against the rod increases with an increase in the radial displacement of the rod. It is possible to effectively suppress an excessive increase in the lateral vibration without causing an impact.

本発明の第３の特徴によれば，クッション部材をクッションホルダにより簡単確実に保持し得るのみならず，懸架コイルばねの長さを，大径円筒部の長さ分，短くすることができ，これにより懸架コイルばねの撓み剛性を強めると共に横型振動圧縮機の軸方向寸法の短縮化を図ることが可能となる。 According to the third feature of the present invention, not only the cushion member can be easily and securely held by the cushion holder, but also the length of the suspension coil spring can be shortened by the length of the large-diameter cylindrical portion, As a result, the flexural rigidity of the suspension coil spring can be increased, and the axial dimension of the horizontal vibration compressor can be shortened.

本発明の第４の特徴によれば，圧縮機本体の振動停止状態では，圧縮機本体の重量により生じる懸架コイルばねの撓みにも拘らず，ロッド及びクッション部材の対向周面間には，隙間が全周均等な環状空隙を形成することができ，したがって，圧縮機本体の横ぶれ抑制をロッドの全周に亙り均等に行うことができる。 According to the fourth aspect of the present invention, when the compressor main body is in a vibration stopped state, there is no gap between the opposing peripheral surfaces of the rod and the cushion member, regardless of the bending of the suspension coil spring caused by the weight of the compressor main body. Can form an annular gap that is uniform over the entire circumference, and therefore, the lateral displacement of the compressor body can be evenly distributed over the entire circumference of the rod.

しかもクッションホルダの筒状容器との同軸配置，並びにロッドは圧縮機本体との同軸配置により，それぞれの製作を容易にすることができる。 Moreover, the coaxial arrangement of the cushion holder with the cylindrical container and the coaxial arrangement of the rod with the compressor main body can facilitate the production of each.

本発明の第５の特徴によれば，前記懸架コイルばねの線材の断面形状を，該懸架コイルばねの半径方向を長辺とする長方形にしたことで，懸架コイルばねの撓み剛性を効果的に高めることができ，したがって，外部から横型振動圧縮機が半径方向に加振されたときでも，圧縮機本体の半径方向の横振れを極力防ぐことができる。 According to the fifth aspect of the present invention, the cross-sectional shape of the wire rod of the suspension coil spring is a rectangle having a long side in the radial direction of the suspension coil spring, so that the flexural rigidity of the suspension coil spring is effectively reduced. Therefore, even when the horizontal vibration compressor is vibrated in the radial direction from the outside, it is possible to prevent the horizontal shake of the compressor body in the radial direction as much as possible.

本発明の実施例に係る横型振動圧縮機の縦断平面図。1 is a longitudinal plan view of a horizontal vibration compressor according to an embodiment of the present invention. 図１の２−２線断面図。FIG. 2 is a sectional view taken along line 2-2 in FIG. 1. 図２の３−３線断面図。FIG. 3 is a sectional view taken along line 3-3 in FIG. 2. 図２の４−４線断面図。FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 図２の５部拡大図。FIG. 5 is an enlarged view of part 5 of FIG. 2. 図４の６部拡大図。FIG. 6 is an enlarged view of 6 parts in FIG. 4. 図６の７−７線断面図。FIG. 7 is a cross-sectional view taken along line 7-7 in FIG.

本発明の実施の形態を，添付図面に示す本発明の好適な実施例に基づいて以下に説明する。 Embodiments of the present invention will be described below on the basis of preferred embodiments of the present invention shown in the accompanying drawings.

図１〜図３において，本発明の横型振動圧縮機Ｃは，例えばトラック，バス等の車両等に搭載される冷蔵庫のコンプレッサとして庫体Ｒの適所に設置される。この横型振動圧縮機Ｃは，筒状容器１と，この筒状容器１に収容される圧縮機本体２とを備えている。筒状容器１は，円筒状の胴体３と，この胴体３の両端開口部に接合される一対のカップ状の蓋体４とで構成される。胴体３及び蓋体４の接合構造は，図示例では，蓋体４の内端部に形成された印籠嵌合孔４ａに胴体３の端部を嵌合し，その全周を気密に溶接して構成される。両蓋体４の一側には設置用のブラケット５が溶接等により固着されており，これらブラケット５を前記庫体Ｒの水平面にボルト６により固着することにより，筒状容器１は，その中心軸線Ｘ１を水平方向に向けて設置されることになる。 1 to 3, the horizontal vibration compressor C of the present invention is installed at an appropriate position of the box R as a compressor of a refrigerator mounted on a vehicle such as a truck or a bus. The horizontal vibration compressor C includes a cylindrical container 1 and a compressor main body 2 accommodated in the cylindrical container 1. The cylindrical container 1 includes a cylindrical body 3 and a pair of cup-shaped lids 4 joined to the opening portions at both ends of the body 3. In the illustrated example, the joining structure of the body 3 and the lid 4 is such that the end of the body 3 is fitted into the seal fitting hole 4a formed in the inner end of the lid 4 and the entire periphery thereof is welded in an airtight manner. Configured. A bracket 5 for installation is fixed to one side of both lids 4 by welding or the like, and by fixing these brackets 5 to the horizontal surface of the box R with bolts 6, the cylindrical container 1 has its center. It is installed with the axis X1 oriented in the horizontal direction.

圧縮機本体２は，左右の蓋体４に左右一対の懸架コイルばね７を介してフローティング支持される。圧縮機本体２の左右のフローティング支持構造は対称的であるので，右方のフローティング支持構造についてのみ，図２〜図５により詳細に説明する。 The compressor body 2 is floatingly supported on the left and right lids 4 via a pair of left and right suspension coil springs 7. Since the left and right floating support structures of the compressor body 2 are symmetrical, only the right floating support structure will be described in detail with reference to FIGS.

蓋体４の内面にはクッションホルダ１０が固着される。このクッションホルダ１０は，基端に取り付けフランジ１０ａを有する大径円筒部１０ｂと，この大径円筒部１０ｂの先端に環状肩部１０ｃを介して連なる，大径円筒部１０ｂより小径の小径円筒部１０ｄとで構成され，取り付けフランジ１０ａが蓋体４の内面に溶接１１により接合される。 A cushion holder 10 is fixed to the inner surface of the lid body 4. The cushion holder 10 includes a large-diameter cylindrical portion 10b having a mounting flange 10a at the base end, and a small-diameter cylindrical portion having a smaller diameter than the large-diameter cylindrical portion 10b and connected to the distal end of the large-diameter cylindrical portion 10b via an annular shoulder portion 10c. The mounting flange 10 a is joined to the inner surface of the lid 4 by welding 11.

一方，圧縮機本体２の右端面には，圧縮機本体２の中心軸線Ｘ２上にあって前記大径円筒部１０ｂと同径の位置決めボス１２が形成される。而して，懸架コイルばね７は，その一端部を大径円筒部１０ｂに嵌合すると共に環状肩部１０ｃに支承させ，また他端部を位置決めボス１２に嵌合すると共に圧縮機本体２の端面に支承させることで，蓋体４及び圧縮機本体２の対向端面間に予圧縮の状態で介装される。その際，懸架コイルばね７と，クッションホルダ１０及び圧縮機本体２とに各間には，断面Ｌ字状で環状の耐摩耗性リテーナ１３が介装される。こうして，圧縮機本体２は，左右一対の予圧縮状態の懸架コイルばね７を介して左右の蓋体４にフローティング支持される。 On the other hand, a positioning boss 12 is formed on the right end surface of the compressor body 2 on the central axis X2 of the compressor body 2 and having the same diameter as the large-diameter cylindrical portion 10b. Thus, one end of the suspension coil spring 7 is fitted to the large-diameter cylindrical portion 10b and supported by the annular shoulder 10c, and the other end is fitted to the positioning boss 12 and the compressor body 2 is fitted. By being supported on the end face, the cover 4 and the compressor main body 2 are interposed between the opposing end faces in a pre-compressed state. At that time, an annular wear-resistant retainer 13 having an L-shaped cross section is interposed between the suspension coil spring 7, the cushion holder 10, and the compressor body 2. Thus, the compressor main body 2 is floatingly supported by the left and right lid bodies 4 via the pair of left and right pre-compressed suspension coil springs 7.

図５に明示するように，懸架コイルばね７を構成する線材７ａは，懸架コイルばね７の半径方向に長辺を向けた長方形断面を有する。 As clearly shown in FIG. 5, the wire 7 a constituting the suspension coil spring 7 has a rectangular cross section with the long side directed in the radial direction of the suspension coil spring 7.

前記クッションホルダ１０は，その内部にクッション部材１５を収容し保持する。そのクッション部材１５は，前記大径円筒部１０ｂに嵌入される大径クッション部１５ａと，この大径クッション部１５ａに環状段部１５ｂを介して連なり前記小径円筒部１０ｄに嵌入される小径クッション部１５ｃとで構成されており，その大径クッション部１５ａは，クッションホルダ１０の環状肩部１０ｃと蓋体４との間で挟持される。こうしてクッション部材１５はクッションホルダ１０により保持される。 The cushion holder 10 accommodates and holds a cushion member 15 therein. The cushion member 15 includes a large-diameter cushion portion 15a fitted into the large-diameter cylindrical portion 10b, and a small-diameter cushion portion connected to the large-diameter cushion portion 15a via an annular step portion 15b and fitted into the small-diameter cylindrical portion 10d. The large-diameter cushion portion 15 a is sandwiched between the annular shoulder portion 10 c of the cushion holder 10 and the lid body 4. Thus, the cushion member 15 is held by the cushion holder 10.

このクッション部材１５は中空部１６を有しており，その中空部１６は，前記小径円筒部１０ｄの端面からクッション部材１５の軸方向中間部まで延びる円筒孔１６ａと，この円筒孔１６ａの内端から前記大径円筒部１０ｂの端面に向かって拡径しつゝ該端面に開口するテーパ孔１６ｂとで構成される。 The cushion member 15 has a hollow portion 16. The hollow portion 16 includes a cylindrical hole 16a extending from an end surface of the small-diameter cylindrical portion 10d to an intermediate portion in the axial direction of the cushion member 15, and an inner end of the cylindrical hole 16a. The taper hole 16b is opened to the end surface of the large-diameter cylindrical portion 10b.

一方，蓋体４には，位置決めボス１２の中心部から突出して前記中空部１６に挿入されるロッド１７が設けられる。このロッド１７は，その先端部をテーパ孔１６ｂまで延ばしており，このロッド１７及びクッション部材１５の対向周面間には，圧縮機本体２の半径方向の振幅が所定値未満の範囲にある限り，前記クッション部材１５及びロッド１７相互を非接触にする環状空隙１８が設けられる。したがって，圧縮機本体２の半径方向の振幅が所定値以上になると，ロッド１７がクッション部材１５の内周面に当接するようになっている。 On the other hand, the lid 4 is provided with a rod 17 that protrudes from the center portion of the positioning boss 12 and is inserted into the hollow portion 16. The rod 17 has its tip end extended to the tapered hole 16b, and between the opposing peripheral surfaces of the rod 17 and the cushion member 15, as long as the amplitude of the compressor body 2 in the radial direction is within a predetermined value range. , An annular gap 18 is provided to make the cushion member 15 and the rod 17 non-contact with each other. Therefore, the rod 17 comes into contact with the inner peripheral surface of the cushion member 15 when the amplitude in the radial direction of the compressor body 2 becomes a predetermined value or more.

図３及び図５に示すように，蓋体４の端壁には，筒状容器１の中心軸線Ｘ１上で筒状容器１の内方に***する位置決め凸部１９が形成される。この位置決め凸部１９は，一側にカット状の平坦部１９ａを有する円形断面をなしており，前記クッションホルダ１０の大径円筒部１０ｂの内周面を上記位置決め凸部１９に適合させることで，クッションホルダ１０の蓋体４への固定位置が決定される。こうしてクッションホルダ１０は筒状容器１の中心軸線Ｘ１上で蓋体４に固定されることになる。 As shown in FIGS. 3 and 5, a positioning projection 19 is formed on the end wall of the lid body 4 so as to protrude inward of the cylindrical container 1 on the central axis X <b> 1 of the cylindrical container 1. The positioning convex portion 19 has a circular cross section having a cut flat portion 19 a on one side, and the inner peripheral surface of the large-diameter cylindrical portion 10 b of the cushion holder 10 is adapted to the positioning convex portion 19. The fixing position of the cushion holder 10 to the lid 4 is determined. Thus, the cushion holder 10 is fixed to the lid 4 on the central axis X1 of the cylindrical container 1.

尚，クッションホルダ１０の，筒状容器１の中心軸線Ｘ１上での蓋体４への固定手段として，蓋体１の前記印籠嵌合孔４ａ（図１，図２参照）を基準として，クッション本体１０の小径円筒部１０ｄの外周側を治具により位置決めして，蓋体４に溶接等により固着してもよい。 As a means for fixing the cushion holder 10 to the lid body 4 on the central axis X1 of the cylindrical container 1, the cushion holder 10 is cushioned with reference to the seal fitting hole 4a (see FIGS. 1 and 2). The outer peripheral side of the small diameter cylindrical portion 10d of the main body 10 may be positioned by a jig and fixed to the lid 4 by welding or the like.

また大径円筒部１０ｂに嵌入する前記クッション部材１５の大径クッション部１５ａも大径円筒部１０ｂの内周面に適合して位置決めされ，クッション部材１５はクッションホルダ１０に対して回転しないようになっており，このように位置決めされたクッション部材１５において，中空部１６は，その中心軸線がクッション部材１５の外周面の軸線，換言すれば筒状容器１の中心軸線Ｘ１に対して所定量ｅだけ下方へオフセットして配置される。このオフセット量ｅは，圧縮機本体２の重量に起因して懸架コイルばね７に生じる撓み量に対応したものである。したがって，クッションホルダ１０に一端部を同心状に支持させた懸架コイルばね７は，圧縮機本体２の重量により撓んでも，圧縮機本体２の振動停止状態では，圧縮機本体２の中心軸線Ｘ２上のロッド１７を中空部１６の中心軸線上に位置させることになる。 Further, the large-diameter cushion portion 15a of the cushion member 15 fitted into the large-diameter cylindrical portion 10b is also positioned so as to fit the inner peripheral surface of the large-diameter cylindrical portion 10b so that the cushion member 15 does not rotate with respect to the cushion holder 10. In the cushion member 15 thus positioned, the hollow portion 16 has a center axis of a predetermined amount e with respect to the axis of the outer peripheral surface of the cushion member 15, in other words, with respect to the center axis X1 of the cylindrical container 1. It is arranged offset only downward. This offset amount e corresponds to the amount of deflection generated in the suspension coil spring 7 due to the weight of the compressor body 2. Therefore, even if the suspension coil spring 7 having one end concentrically supported by the cushion holder 10 is bent due to the weight of the compressor main body 2, the center axis X2 of the compressor main body 2 is maintained when the vibration of the compressor main body 2 is stopped. The upper rod 17 is positioned on the central axis of the hollow portion 16.

次に，圧縮機本体２の内部構造について説明する。 Next, the internal structure of the compressor body 2 will be described.

図１において，圧縮機本体２は，円筒状のヨーク２２と，このヨーク２２の一端にそれを閉塞するよう，溶接等により結合されてヨーク２２の内部に同心状に配置されるコアポール２３と，ヨーク２２の他端にそれを閉塞するよう，かしめ等に結合されるシリンダブロック２４とと，このシリンダブロック２４の外端面にガスケット２５を介してボルト（図示せず）等により接合されるシリンダヘッド２６とで構成され，前記左右のロッド１７は，そのコアポール２３及びシリンダヘッド２６にそれぞれ形成される。 In FIG. 1, the compressor body 2 includes a cylindrical yoke 22, a core pole 23 that is concentrically arranged inside the yoke 22 by being joined to one end of the yoke 22 by welding or the like, A cylinder block 24 coupled by caulking or the like so as to close the other end of the yoke 22, and a cylinder head joined to the outer end surface of the cylinder block 24 by a bolt (not shown) or the like via a gasket 25. The left and right rods 17 are formed on the core pole 23 and the cylinder head 26, respectively.

コアポール２３の外周には永久磁石２７が固設され，この永久磁石２７と前記ヨーク２２との間の環状間隙には駆動コイル２８が配設される。この駆動コイル２８は，後述するピストン３１に一体的に連結される。 A permanent magnet 27 is fixed on the outer periphery of the core pole 23, and a drive coil 28 is disposed in an annular gap between the permanent magnet 27 and the yoke 22. The drive coil 28 is integrally connected to a piston 31 described later.

シリンダブロック２４は，ヨーク２２内に突出するシリンダ延長部２４ａを一体に備えており，このシリンダブロック２４のシリンダ孔３０はそのシリンダ延長部２４ａ内まで延びている。このシリンダ孔３０には中空円筒状のピストン３１が摺動自在に嵌装される。このピストン３１の，シリンダ延長部２４ａ外に突出する外端部には支持板３２が圧入等により固着され，この支持板３２に有底円筒状の中間部材３３を介して前記駆動コイル２８が連結される。また支持板３２と，コアポール２３及びシリンダブロック２４との各間には左右一対の共振ばね３４が介装され，これら共振ばね３４は懸架コイルばねで構成され，圧縮方向に所定のセット荷重が付与される。こうして前記駆動コイル２８はピストン３１に一体的に連結されると共に，一対の共振ばね３４により支持される。 The cylinder block 24 is integrally provided with a cylinder extension 24a protruding into the yoke 22, and the cylinder hole 30 of the cylinder block 24 extends into the cylinder extension 24a. A hollow cylindrical piston 31 is slidably fitted into the cylinder hole 30. A support plate 32 is fixed to the outer end of the piston 31 protruding from the cylinder extension 24a by press fitting or the like, and the drive coil 28 is connected to the support plate 32 via a bottomed cylindrical intermediate member 33. Is done. A pair of left and right resonance springs 34 are interposed between the support plate 32, the core pole 23, and the cylinder block 24, and these resonance springs 34 are constituted by suspension coil springs, and apply a predetermined set load in the compression direction. Is done. Thus, the drive coil 28 is integrally connected to the piston 31 and supported by a pair of resonance springs 34.

シリンダ孔３０には，ピストン３１によりポンプ室３５が画成され，ピストン３１の中空部３１ａ及びポンプ室３５間には吸入弁３７が配設される。またシリンダヘッド２６には，ポンプ室３５に並ぶ吐出室３８が設けられ，これらポンプ室３５及び吐出室３８間に吐出弁３９が配設される。吸入弁３７は，ピストン３１が図１で右方に移動する吸入行程で開弁してピストン３１の中空部３１ａからポンプ室３５に気体を吸入させ，吐出弁３９は，ピストン３１が図１で左方に移動する吐出行程で開弁してポンプ室３５から吐出室３８に気体を吐出させるようになっている。 A pump chamber 35 is defined in the cylinder hole 30 by a piston 31, and a suction valve 37 is disposed between the hollow portion 31 a of the piston 31 and the pump chamber 35. The cylinder head 26 is provided with a discharge chamber 38 aligned with the pump chamber 35, and a discharge valve 39 is disposed between the pump chamber 35 and the discharge chamber 38. The suction valve 37 opens in the suction stroke in which the piston 31 moves to the right in FIG. 1 to suck gas into the pump chamber 35 from the hollow portion 31a of the piston 31, and the discharge valve 39 has the piston 31 in FIG. The valve is opened in a discharge stroke that moves to the left, and gas is discharged from the pump chamber 35 to the discharge chamber 38.

さらにシリンダブロック２４には，ガスケット２５により閉塞される低圧室４０及び高圧室４１が設けられる。低圧室４０は，シリンダヘッド２６に設けられる第１連通管４２と筒状容器１の内部とを介して，左方の蓋体４から引き出される低圧管４４に連通される一方，シリンダブロック２４に設けられる第２連通管４３を介して圧縮機本体２内部とも連通される。左方の蓋体４から外部に引き出される低圧管４４は，冷蔵庫のエバポレータの出口側に接続される。 Further, the cylinder block 24 is provided with a low pressure chamber 40 and a high pressure chamber 41 which are closed by the gasket 25. The low pressure chamber 40 is communicated with a low pressure pipe 44 drawn from the left lid body 4 via a first communication pipe 42 provided in the cylinder head 26 and the inside of the cylindrical container 1, while The interior of the compressor body 2 is also communicated with the second communication pipe 43 provided. The low-pressure pipe 44 drawn out from the left lid 4 is connected to the outlet side of the evaporator of the refrigerator.

また高圧室４１は，シリンダヘッド２６に穿設される通孔４５を介して吐出室３８に連通される一方，高圧管４６とも連通される。この高圧管４６は，一端部がシリンダヘッド２６に取り付けられて高圧室４１に開口し，他端部が左方の蓋体４に取り付けられて外部に引き出され，中間部は，圧縮機本体２の左右往復動に応じて伸縮し得るようコイル状に形成される。左方の蓋体４から外部に引き出される高圧管４６は，冷蔵庫のコンデンサの入口側に接続される。 The high pressure chamber 41 communicates with the discharge chamber 38 through a through hole 45 formed in the cylinder head 26 and also communicates with the high pressure pipe 46. One end of the high-pressure pipe 46 is attached to the cylinder head 26 and opens into the high-pressure chamber 41, the other end is attached to the left lid 4 and pulled out, and the intermediate part is connected to the compressor body 2. It is formed in a coil shape so that it can expand and contract in accordance with the left and right reciprocating motion. The high-pressure pipe 46 drawn out from the left lid 4 is connected to the inlet side of the condenser of the refrigerator.

次に，横型振動圧縮機Ｃ内の潤滑系について図２，図４，図６及び図７を参照しながら説明する。 Next, the lubrication system in the horizontal vibration compressor C will be described with reference to FIGS. 2, 4, 6 and 7.

筒状容器１内の底部には，通常，圧縮機本体２が漬からない程度のレベルで潤滑油が貯留する油溜まり５０が形成され，この油溜まり５０に，前記低圧室４０に潤滑油を供給する吸油管５１が浸漬される。この吸油管５１は，ガラス繊維や樹脂繊維を管状に編組してなる可撓性及び浸透性を有するもので，この吸油管５１内には，その配管形状を保持する金属線５２が配設される。そして吸油管５１は，筒状容器１の軸方向に延びて油溜まり５０に浸漬される直線部５１ａと，この直線部５１ａの左端から立ち上がって左方の蓋体４の内周面に沿って湾曲する第１湾曲部５１ｂと，この第１湾曲部５１ｂの先端から圧縮機本体２に向かって屈曲する接続部５１ｃと，直線部５１ａの右端から立ち上がって右方の蓋体４の内周面に沿って略一周するように湾曲する第２湾曲部５１ｄとを付与され，配管される。上記接続部５１ｃは，低圧室４０に開口するようにシリンダヘッド２６に設けられる接続管５３の外端部外周に嵌め込まれ，クリップ５４により固定される。その際，保形用の金属線５２の一端は，接続部５１ｃから突出させて接続管５３内に緩く挿入される。 In the bottom of the cylindrical container 1, an oil reservoir 50 in which lubricating oil is normally stored at a level that does not allow the compressor body 2 to be immersed is formed. The oil reservoir 50 is filled with lubricating oil in the low-pressure chamber 40. The oil absorption pipe 51 to be supplied is immersed. The oil absorption pipe 51 is flexible and penetrable formed by braiding glass fibers or resin fibers into a tubular shape. A metal wire 52 is disposed in the oil absorption pipe 51 to maintain the pipe shape. The The oil absorption pipe 51 extends in the axial direction of the cylindrical container 1 and is immersed in the oil reservoir 50, and rises from the left end of the linear part 51a along the inner peripheral surface of the left lid 4. A first bending portion 51b that bends, a connection portion 51c that bends from the tip of the first bending portion 51b toward the compressor body 2, and an inner peripheral surface of the right lid 4 that rises from the right end of the straight portion 51a. And a second bending portion 51d that is curved so as to make one round along the pipe. The connecting portion 51 c is fitted on the outer periphery of the connecting pipe 53 provided in the cylinder head 26 so as to open to the low pressure chamber 40 and is fixed by a clip 54. At that time, one end of the shape-retaining metal wire 52 protrudes from the connecting portion 51 c and is loosely inserted into the connecting tube 53.

第２湾曲部５１ｄは自由端部を有しており，その自由端部内には，図４に明示するように金属線５２の端部を折り返してなる膨大端部５２ａが収められ，前記自由端部にかしめ環５５を巻き付けてかしめることにより，前記自由端部は潰されてその開口が閉塞されると共に膨大端部５２ａに固定される。 The second curved portion 51d has a free end portion, and a large end portion 52a formed by folding back the end portion of the metal wire 52 as shown in FIG. By caulking the caulking ring 55 around the portion, the free end portion is crushed and the opening thereof is closed and fixed to the enormous end portion 52a.

次に，この実施例の作用について説明する。 Next, the operation of this embodiment will be described.

駆動コイル２８に交番電流を流すと，その交番電流の極性に応じてピストン３１が駆動コイル２８と共に左右に往復動し，このピストン３１の往復動は左右の共振ばね３４により増幅される。こうして増幅されたピストン３１の往復動，即ち吸入行程と吐出行程を行程を繰り返し，その吸入行程では，ポンプ室３５の吸入作用により吸入弁３７が開弁して，低圧管４４から筒状容器１内に導入された気体（冷媒ガス）が第１連通管４２，低圧室４０，第２連通管４３，圧縮機本体２内，ピストン３１の中空部３１ａ，吸入弁３７を順次経てポンプ室３５に吸入され，次の吐出行程では，ポンプ室３５の吐出作用により吐出弁３９が開弁して，ポンプ室３５の気体（冷媒ガス）が吐出弁３９を介して吐出室３８に吐出され，そして通孔４５及び高圧室４１を経て高圧管４６へと圧送される。 When an alternating current is passed through the drive coil 28, the piston 31 reciprocates left and right together with the drive coil 28 according to the polarity of the alternating current, and the reciprocating motion of the piston 31 is amplified by the left and right resonance springs 34. The reciprocating motion of the piston 31 thus amplified, that is, the stroke of the suction stroke and the discharge stroke is repeated. In the suction stroke, the suction valve 37 is opened by the suction action of the pump chamber 35, and the cylindrical container 1 is opened from the low pressure pipe 44. The gas (refrigerant gas) introduced into the pump chamber 35 sequentially passes through the first communication pipe 42, the low pressure chamber 40, the second communication pipe 43, the compressor body 2, the hollow portion 31a of the piston 31, and the suction valve 37. In the next discharge stroke, the discharge valve 39 is opened by the discharge action of the pump chamber 35, the gas (refrigerant gas) in the pump chamber 35 is discharged to the discharge chamber 38 through the discharge valve 39, and It is pumped to the high-pressure pipe 46 through the hole 45 and the high-pressure chamber 41.

このような横型振動圧縮機Ｃの作動中，ピストン３１及び駆動コイル２８の上記左右往復動によれば，圧縮機本体２が左右に振動するが，圧縮機本体２は，左右一対の懸架コイルばね７により筒状容器１の左右の蓋体４によりフローティング支持されいるので，圧縮機本体２の左右振動を一対の懸架コイルばね７の伸縮作用により吸収することができる。その際，特に圧縮機本体２の左右両端より突出するロッド１７は，それを受け入れた，蓋体４に固定のクッションホルダ１０との間には環状空隙１８が設けられているので，圧縮機本体２の左右振動時や振幅が微小な半径方向の振動時には，ロッド１７のクッション部材１５との接触が回避される。その結果，懸架コイルばね７は本来のばね特性を確実に発揮して，圧縮機本体２の左右振動及び微細な半径方向振動を効果的に吸収することができ，しかもクッション部材１５との摺動による騒音を防ぐことができる。 During the operation of such a horizontal vibration compressor C, the left and right reciprocating motions of the piston 31 and the drive coil 28 cause the compressor body 2 to vibrate left and right. The compressor body 2 is composed of a pair of left and right suspension coil springs. 7, the left and right vibrations of the compressor body 2 can be absorbed by the expansion and contraction action of the pair of suspension coil springs 7. At that time, the rod 17 projecting from both the left and right ends of the compressor main body 2 is provided with an annular gap 18 between the lid holder 4 and the cushion holder 10 fixed to the lid body 4. At the time of the left and right vibration of 2 and the vibration of the radial direction with a small amplitude, the contact of the rod 17 with the cushion member 15 is avoided. As a result, the suspension coil spring 7 reliably exhibits its original spring characteristics, can effectively absorb the left and right vibrations and fine radial vibrations of the compressor body 2, and can slide with the cushion member 15. Noise due to can be prevented.

しかも懸架コイルばね７の線材７ａは，長辺を半径方向に向けた長方形断面を持つので，懸架コイルばね７の撓み剛性を効果的に高める。したがって，車両の悪路走行や加速及び減速運転等に横型振動圧縮機Ｃが半径方向に加振されたときでも，圧縮機本体２の半径方向の横振れを極力防ぐことができる。 Moreover, since the wire 7a of the suspension coil spring 7 has a rectangular cross section with the long side oriented in the radial direction, the bending rigidity of the suspension coil spring 7 is effectively increased. Accordingly, even when the horizontal vibration compressor C is vibrated in the radial direction during traveling on a rough road or acceleration and deceleration of the vehicle, it is possible to prevent the lateral shake of the compressor body 2 in the radial direction as much as possible.

また上記加振エネルギが大きく，圧縮機本体２の半径方向の振幅が所定値以上になった場合には，懸架コイルばね７を大きく撓ませながらロッド１７をクッション部材１５の中空部１６内面に当接させるので，ロッド１７の振動衝撃をクッション部材１５の圧縮変形により吸収することができる。しかも，クッション部材１５の中空部１６は，クッション部材１５の内端に開口する円筒孔１６ａと，この円筒孔１６ａからクッション部材１５の外端に向かって拡径するテーパ孔１６ｂとからなっているので，ロッド１７が中空部１６の内面に当接してクッション部材１５に圧縮変形を与えるとき，ロッド１７のクッション部材１５との当接面は，円筒孔１６ａの内周面からテーパ孔１６ｂの内周面へと広がり，その当接面積が漸増する結果，ロッド１７に対するクッション部材１５の反発力は，ロッド１７の半径方向の変位の増加に応じて増加することになり，これにより圧縮機本体２の横振れの過度の増加を衝撃を伴なうことなく効果的に抑制することができる。 When the excitation energy is large and the radial amplitude of the compressor body 2 exceeds a predetermined value, the rod 17 is applied to the inner surface of the hollow portion 16 of the cushion member 15 while largely bending the suspension coil spring 7. Therefore, the vibration shock of the rod 17 can be absorbed by the compression deformation of the cushion member 15. In addition, the hollow portion 16 of the cushion member 15 includes a cylindrical hole 16a that opens to the inner end of the cushion member 15, and a tapered hole 16b that increases in diameter from the cylindrical hole 16a toward the outer end of the cushion member 15. Therefore, when the rod 17 abuts against the inner surface of the hollow portion 16 and compresses and deforms the cushion member 15, the contact surface of the rod 17 with the cushion member 15 is from the inner peripheral surface of the cylindrical hole 16a to the inside of the tapered hole 16b. As a result of spreading to the peripheral surface and gradually increasing the contact area, the repulsive force of the cushion member 15 with respect to the rod 17 increases as the radial displacement of the rod 17 increases. It is possible to effectively suppress an excessive increase in the lateral vibration without causing an impact.

またクッションホルダ１０は，各蓋体４の内面に取り付けフランジ１０ａを介して固着される大径円筒部１０ｂと，この大径円筒部１０ｂの先端に環状肩部１０ｃを介して連なる小径円筒部１０ｄとで構成され，クッション部材１５は，大径円筒部１０ｂに嵌入される大径クッション部１５ａと，この大径クッション部１５ａに環状段部１５ｂを介して連なり小径円筒部１０ｄに嵌入される小径クッション部１５ｃとで構成され，前記大径クッション部１５ａを，環状肩部１０ｃと，蓋体４との間で挟持し，前記懸架コイルばね７の一端部を前記小径円筒部１０ｄの外周に嵌合すると共に前記環状肩部１０ｃの外面に支承させる一方，この懸架コイルばね７の他端部を，前記ロッド１７の根元に形成される位置決めボス１２の外周に嵌合すると共に前記圧縮機本体２の端面に支承させたことで，クッション部材１５をクッションホルダ１０により簡単確実に保持し得るのみならず，懸架コイルばね７の長さを，大径円筒部１０ｂの長さ分，短くすることができ，これにより懸架コイルばね７の撓み剛性を強めると共に横型振動圧縮機Ｃの軸方向寸法の短縮化を図ることが可能となる。 The cushion holder 10 includes a large-diameter cylindrical portion 10b fixed to the inner surface of each lid body 4 via a mounting flange 10a, and a small-diameter cylindrical portion 10d connected to the tip of the large-diameter cylindrical portion 10b via an annular shoulder portion 10c. The cushion member 15 includes a large-diameter cushion portion 15a that is fitted into the large-diameter cylindrical portion 10b, and a small-diameter portion that is connected to the large-diameter cushion portion 15a via an annular step portion 15b and is fitted into the small-diameter cylindrical portion 10d. The large-diameter cushion portion 15a is sandwiched between the annular shoulder portion 10c and the lid body 4, and one end portion of the suspension coil spring 7 is fitted to the outer periphery of the small-diameter cylindrical portion 10d. And the other end portion of the suspension coil spring 7 is fitted to the outer periphery of the positioning boss 12 formed at the base of the rod 17 while being supported on the outer surface of the annular shoulder portion 10c. Both of them are supported on the end face of the compressor body 2 so that the cushion member 15 can be easily and securely held by the cushion holder 10, and the length of the suspension coil spring 7 is set to the length of the large-diameter cylindrical portion 10b. Accordingly, the flexural rigidity of the suspension coil spring 7 can be increased, and the axial dimension of the horizontal vibration compressor C can be shortened.

さらにクッションホルダ１０は筒状容器１の中心軸線Ｘ１上に配置される一方，ロッド１７は圧縮機本体２の中心軸線Ｘ２上に配置され，クッション部材１５の中空部１６の中心軸線を筒状容器１の中心軸線Ｘ１に対して，圧縮機本体２の重量により生じる懸架コイルばね７の撓み量に対応した所定量だけ下方にオフセットさせて，圧縮機本体２の振動停止状態でロッド１７を前記中空部１６の中心軸線上に位置させたので，圧縮機本体２の振動停止状態では，圧縮機本体２の重量により生じる懸架コイルばね７の撓みにも拘らず，ロッド１７及びクッション部材１５の対向周面間には，隙間が全周均等な環状空隙１８を形成することができ，したがって，圧縮機本体２の横ぶれ抑制をロッド１７の全周に亙り均等に行うことができる。 Further, the cushion holder 10 is disposed on the central axis X1 of the cylindrical container 1, while the rod 17 is disposed on the central axis X2 of the compressor body 2, and the central axis of the hollow portion 16 of the cushion member 15 is used as the cylindrical container. 1 is offset downward by a predetermined amount corresponding to the amount of bending of the suspension coil spring 7 caused by the weight of the compressor body 2 with respect to the central axis X1, and the rod 17 is hollowed in a state where the vibration of the compressor body 2 is stopped. Since the compressor body 2 is in a vibration stopped state, the opposing periphery of the rod 17 and the cushion member 15 is not affected by the bending of the suspension coil spring 7 caused by the weight of the compressor body 2. Between the surfaces, an annular gap 18 having a uniform gap around the entire circumference can be formed. Therefore, the lateral movement suppression of the compressor body 2 can be uniformly performed over the whole circumference of the rod 17.

しかもクッションホルダ１０の筒状容器１との同軸配置，並びにロッド１７は圧縮機本体２との同軸配置により，それぞれの製作を容易にすることができる。 Moreover, the coaxial arrangement of the cushion holder 10 with the cylindrical container 1 and the coaxial arrangement of the rod 17 with the compressor body 2 can facilitate the production of each.

筒状容器１の油溜まり５０には，低圧室４０に連通する可撓性且つ浸透性の吸油管５１が浸漬しているので，低圧室４０がポンプ室３５の前記吸入作用による減圧することにより，吸油管５１内に浸透した潤滑油が低圧室４０へと吸い上げられ，低圧室４０を通過する前記気体（冷媒ガス）と共に，ポンプ室３５へと運ばれ，シリンダ孔３０を通してピストン３１の摺動面等を潤滑する。 Since a flexible and permeable oil absorbing pipe 51 communicating with the low pressure chamber 40 is immersed in the oil reservoir 50 of the cylindrical container 1, the low pressure chamber 40 is decompressed by the suction action of the pump chamber 35. , The lubricating oil that has penetrated into the oil absorption pipe 51 is sucked into the low pressure chamber 40, is transported to the pump chamber 35 together with the gas (refrigerant gas) passing through the low pressure chamber 40, and the piston 31 slides through the cylinder hole 30. Lubricate the surface.

ところで，上記吸油管５１内には，その配管形状を保持する金属線５２が挿入配設され，その状態で吸油管５１は，筒状容器１の軸方向に延びて油溜まり５０に浸漬される直線部５１ａと，この直線部５１ａの左端から立ち上がって左方の蓋体４の内周面に沿って湾曲する第１湾曲部５１ｂと，この第１湾曲部５１ｂの先端から圧縮機本体２に向かって屈曲する接続部５１ｃと，直線部５１ａの右端から立ち上がって右方の蓋体４の内周面に沿って略一周するように湾曲する第２湾曲部５１ｄとを付与され，配管されるので，吸油管５１は，圧縮機本体２の左右振動に応じて第１湾曲部５１ｂを撓ませながら，低圧室４０への給油を確実に行うことができる。 By the way, a metal wire 52 that holds the pipe shape is inserted and disposed in the oil absorbing pipe 51, and the oil absorbing pipe 51 extends in the axial direction of the cylindrical container 1 and is immersed in the oil reservoir 50 in this state. The straight portion 51a, the first curved portion 51b that rises from the left end of the straight portion 51a and curves along the inner peripheral surface of the left lid 4, and the tip of the first curved portion 51b enters the compressor body 2. A connecting portion 51c that bends toward the right side and a second bending portion 51d that rises from the right end of the straight portion 51a and curves so as to make one round along the inner peripheral surface of the right lid 4 are provided and piped. Therefore, the oil absorption pipe 51 can reliably supply oil to the low pressure chamber 40 while bending the first bending portion 51b in accordance with the left-right vibration of the compressor body 2.

また圧縮機本体２が振動したり，横型振動圧縮機Ｃが外部から加振されても，金属線５２により保形された吸油管５１は暴れることがない。特に，吸油管５１の自由端部を持つ第２湾曲部５１ｄは，右方の蓋体４の内周面に沿って略一周するように湾曲して，その蓋体４の内周面で支持されるので，第２湾曲部５１ｄの暴れを蓋体４の内面で確実に抑えることができる。したがって吸油管５１の他物との衝撃的接触を回避し，騒音の発生を防ぐと共に吸油管５１の耐久性を確保することができる。 Further, even if the compressor main body 2 vibrates or the horizontal vibration compressor C is vibrated from the outside, the oil absorbing pipe 51 held by the metal wire 52 does not break. In particular, the second curved portion 51 d having the free end portion of the oil absorption pipe 51 is curved so as to make a round around the inner peripheral surface of the right lid body 4 and is supported by the inner peripheral surface of the lid body 4. Therefore, the ramp of the second bending portion 51d can be reliably suppressed on the inner surface of the lid body 4. Accordingly, it is possible to avoid shocking contact with the other parts of the oil absorption pipe 51, prevent the generation of noise, and ensure the durability of the oil absorption pipe 51.

また横型振動圧縮機Ｃのローリング及びピッチング時でも，吸油管５１は，直線部５１ａ，第１湾曲部５１ｂ及び第２湾曲部５１ｄの少なくとも一部を油溜まり５０に浸漬し続けることができ，したがって常にその浸漬部から潤滑油を吸い上げて低圧室４０に供給することができ，潤滑切れを防ぐことができる。 Further, even during the rolling and pitching of the horizontal vibration compressor C, the oil absorption pipe 51 can continue to immerse at least a part of the straight portion 51a, the first curved portion 51b, and the second curved portion 51d in the oil reservoir 50. Lubricating oil can always be sucked up from the immersion part and supplied to the low-pressure chamber 40, thereby preventing the lubrication from being lost.

しかも吸油管５１の自由端部は潰されてその開口が閉塞されると共に，金属線５２に固定されるので，第２湾曲部５１ｄの自由端部が油溜まり５０から露出していても，その自由端部からは筒状容器１内の気体を吸入することを防ぎ，吸油管５１の良好な吸油機能を保持することができ，また吸油管５１及び金属線５２相互のずれを確実に防いで，吸油管５１の配管形状及び長さの変化を防ぐことができる。 In addition, the free end of the oil absorbing pipe 51 is crushed and its opening is closed, and is fixed to the metal wire 52, so that even if the free end of the second curved portion 51d is exposed from the oil reservoir 50, It is possible to prevent the gas in the cylindrical container 1 from being sucked from the free end, to maintain a good oil absorbing function of the oil absorbing pipe 51, and to reliably prevent the oil absorbing pipe 51 and the metal wire 52 from being displaced from each other. , Changes in the pipe shape and length of the oil absorbing pipe 51 can be prevented.

特に，第２湾曲部５１ｄの自由端部内には金属線５２の膨大端部５２ａが収められ，上記自由端部にかしめ環５５を巻き付けてかしめることにより，前記自由端部は，潰されてその開口が閉塞されると共に膨大端部５２ａに固定されるので，一個のかしめ環５５により第２湾曲部５１ｄの自由端部の開口の閉塞と，その自由端部の金属線５２への固定とを一挙に行うことができ，構造が簡単である。 In particular, the end portion 52a of the metal wire 52 is accommodated in the free end portion of the second curved portion 51d, and the free end portion is crushed by caulking the caulking ring 55 around the free end portion. Since the opening is closed and fixed to the enormous end portion 52a, the opening of the free end portion of the second bending portion 51d is closed and the free end portion is fixed to the metal wire 52 by one caulking ring 55. Can be performed at once, and the structure is simple.

また筒状容器１の左右の前記蓋体４に一対の設置用のブラケット５が固設されるので，両ブラケット５は，筒状容器１の左右の最外端部に設けられることになり，横型振動圧縮機Ｃの軸方向の支持スパンを最大にして，横型振動圧縮機Ｃの動きを極力抑え得ると共に，ブラケットの荷重負担を減少することができる。 In addition, since a pair of installation brackets 5 are fixed to the left and right lids 4 of the cylindrical container 1, both brackets 5 are provided at the left and right outermost ends of the cylindrical container 1, The support span in the axial direction of the horizontal vibration compressor C can be maximized to suppress the movement of the horizontal vibration compressor C as much as possible, and the load on the bracket can be reduced.

以上，本発明の実施例について説明したが，本発明はそれに限定されることなく，その要旨を逸脱しない範囲で種々の設計変更が可能である。 As mentioned above, although the Example of this invention was described, this invention is not limited to it, A various design change is possible in the range which does not deviate from the summary.

１・・・・・筒状容器
２・・・・・圧縮機本体
７・・・・・懸架コイルばね
１０・・・・クッションホルダ
１０ｂ・・・大径円筒部
１０ｃ・・・環状肩部
１０ｄ・・・小径円筒部
１２・・・・位置決めボス
１５・・・・クッション部材
１６・・・・クッション部材の中空部
１６ａ・・・円筒孔
１６ｂ・・・テーパ孔
１７・・・・ロッド
１８・・・・環状空隙
Ｃ・・・・・横型振動圧縮機
Ｘ１・・・・筒状容器の中心軸線
Ｘ２・・・・圧縮機本体の中心軸線
ｅ・・・・・Ｘ１，Ｘ２相互のオフセット量 DESCRIPTION OF SYMBOLS 1 ... Cylindrical container 2 ... Compressor main body 7 ... Suspension coil spring 10 ... Cushion holder 10b ... Large diameter cylindrical part 10c ... Annular shoulder part 10d ... Small-diameter cylindrical part 12 ... Positioning boss 15 ... Cushion member 16 ... Cushion member hollow part 16a ... Cylinder hole 16b ... Taper hole 17 ... Rod 18 ... Annular gap C ... Horizontal vibration compressor X1 ... Center axis X2 of cylindrical container ... Center axis e of compressor main body ... Offset amount between X1 and X2

Claims

圧縮機本体（２）を収容する筒状容器（１）が，円筒状の胴体（３）と，この胴体（３）の両端開口部に接合される一対の蓋体（４）とで構成されると共に中心軸線（Ｘ１）を水平方向に向けて設置され，前記圧縮機本体（２）及び前記各蓋体（４）の対向面間に，該圧縮機本体（２）を支持すべく予圧縮された懸架コイルばね（７）を介装し，また前記各蓋体（４）の内面に，中空のクッション部材（１５）を収容，保持するクッションホルダ（１０）を固着し，前記クッション部材（１５）の中空部（１６）に挿入されるロッド（１７）を前記圧縮機本体（２）の端面に固設した横型振動圧縮機において，
前記クッション部材（１５）及びロッド（１７）の対向周面間に，前記圧縮機本体（２）の半径方向の振幅が所定値未満の範囲にあるときは，前記クッション部材（１５）及びロッド（１７）相互を非接触にする環状空隙（１８）を設けたことを特徴とする横型振動圧縮機。 A cylindrical container (1) that houses the compressor body (2) is composed of a cylindrical body (3) and a pair of lids (4) that are joined to openings at both ends of the body (3). And is pre-compressed to support the compressor body (2) between the opposing surfaces of the compressor body (2) and the lid bodies (4). A cushion holder (10) for holding and holding a hollow cushion member (15) is fixed to the inner surface of each lid body (4) with the suspended coil spring (7) interposed therebetween. 15) In the horizontal vibration compressor in which the rod (17) inserted into the hollow portion (16) of FIG. 15 is fixed to the end surface of the compressor body (2).
When the amplitude of the compressor body (2) in the radial direction is less than a predetermined value between the opposed peripheral surfaces of the cushion member (15) and the rod (17), the cushion member (15) and the rod ( 17) A horizontal vibration compressor characterized in that an annular air gap (18) is provided to make them non-contact with each other.

請求項１記載の横型振動圧縮機において，
前記クッション部材（１５）の中空部（１６）を，該クッション部材（１５）の前記圧縮機本体（２）側の一端面に開口する円筒孔（１６ａ）と，この円筒孔（１６ａ）の内端から該クッション部材（１５）の他端面に向かって拡径しつゝ延びるテーパ孔（１６ｂ）とで構成したことを特徴とする横型振動圧縮機。 The horizontal vibration compressor according to claim 1,
A hollow portion (16) of the cushion member (15) is formed in a cylindrical hole (16a) opened at one end surface of the cushion member (15) on the compressor body (2) side, and an inner portion of the cylindrical hole (16a) A horizontal vibration compressor characterized by comprising a tapered hole (16b) extending from one end toward the other end surface of the cushion member (15).

請求項１記載の横型振動圧縮機において，
前記クッションホルダ（１０）を，前記各蓋体（４）の内面に基端を固着される大径円筒部（１０ｂ）と，この大径円筒部（１０ｂ）の先端に環状肩部（１０ｃ）を介して連なる，大径円筒部（１０ｂ）より小径の小径円筒部（１０ｄ）とで構成する一方，前記クッション部材（１５）を，前記大径円筒部（１０ｂ）に嵌入される大径クッション部（１５ａ）と，この大径クッション部（１５ａ）に環状段部（１５ｂ）を介して連なり前記小径円筒部（１０ｄ）に嵌入される小径クッション部（１５ｃ）とで構成すると共に，前記大径クッション部（１５ａ）を，前記環状肩部（１０ｃ）と，前記蓋体（４）との間で挟持し，前記懸架コイルばね（７）の一端部を前記小径円筒部（１０ｄ）の外周に嵌合すると共に前記環状肩部（１０ｃ）の外面に支承させる一方，この懸架コイルばね（７）の他端部を，前記ロッド（１７）の根元に形成される位置決めボス（１２）の外周に嵌合すると共に前記圧縮機本体（２）の端面に支承させたことを特徴とする横型振動圧縮機。 The horizontal vibration compressor according to claim 1,
The cushion holder (10) includes a large-diameter cylindrical portion (10b) whose base end is fixed to the inner surface of each lid (4), and an annular shoulder (10c) at the distal end of the large-diameter cylindrical portion (10b). A large-diameter cushion that is formed by a small-diameter cylindrical portion (10d) that is smaller in diameter than the large-diameter cylindrical portion (10b) and that is inserted into the large-diameter cylindrical portion (10b). And a large-diameter cushion portion (15a) connected to the large-diameter cushion portion (15a) via an annular step portion (15b) and fitted into the small-diameter cylindrical portion (10d). A diameter cushion portion (15a) is sandwiched between the annular shoulder portion (10c) and the lid (4), and one end portion of the suspension coil spring (7) is arranged on the outer periphery of the small diameter cylindrical portion (10d). And the annular shoulder (10c) The other end of the suspension coil spring (7) is fitted to the outer periphery of a positioning boss (12) formed at the base of the rod (17) and the compressor body (2) is supported on the surface. A horizontal vibration compressor characterized by being supported on an end face.

請求項３記載の横型振動圧縮機において，
前記クッションホルダ（１０）を前記筒状容器（１）の中心軸線（Ｘ１）上に配置すると共に，前記ロッド（１７）を前記圧縮機本体（２）の中心軸線（Ｘ１）上に配置し，前記クッション部材（１５）の中空部（１６）の中心軸線（Ｘ２）を前記筒状容器（１）の中心軸線（Ｘ１）に対して，前記圧縮機本体（２）の重量により生じる前記懸架コイルばね（７）の撓み量に対応した所定量だけ下方にオフセットさせて，前記圧縮機本体（２）の振動停止状態で前記前記ロッド（１７）を前記中空部（１６）の中心軸線上に位置させたことを特徴とする横型振動圧縮機。 The horizontal vibration compressor according to claim 3,
The cushion holder (10) is disposed on the central axis (X1) of the cylindrical container (1), and the rod (17) is disposed on the central axis (X1) of the compressor body (2), The suspension coil generated by the weight of the compressor body (2) with respect to the central axis (X2) of the hollow portion (16) of the cushion member (15) with respect to the central axis (X1) of the cylindrical container (1) The rod (17) is positioned on the central axis of the hollow portion (16) by offsetting downward by a predetermined amount corresponding to the amount of bending of the spring (7), and with the compressor main body (2) stopped in vibration. A horizontal vibration compressor characterized by having been made.

請求項１又は３記載の横型振動圧縮機において，
前記懸架コイルばね（７）の線材の断面形状を，該懸架コイルばね（７）の半径方向を長辺とする長方形にしたことを特徴とする横型振動圧縮機。 The horizontal vibration compressor according to claim 1 or 3,
A horizontal vibration compressor characterized in that the cross-sectional shape of the wire rod of the suspension coil spring (7) is a rectangle whose long side is the radial direction of the suspension coil spring (7).