JP2011080728A - Refrigerator - Google Patents

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JP2011080728A
JP2011080728A JP2009234870A JP2009234870A JP2011080728A JP 2011080728 A JP2011080728 A JP 2011080728A JP 2009234870 A JP2009234870 A JP 2009234870A JP 2009234870 A JP2009234870 A JP 2009234870A JP 2011080728 A JP2011080728 A JP 2011080728A
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elastic member
insertion hole
sleeve
compressor
base frame
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JP5421052B2 (en
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Masaki Kachi
正希 加地
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Sharp Corp
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Sharp Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a refrigerator capable of reducing vibration caused by a compressor. <P>SOLUTION: The refrigerator 1 having the compressor 10 operating a refrigerating cycle on a base frame 9 of a machine chamber 7 includes a support part 11 integrally provided with the compressor 10; an elastic member 17 formed to be a cylindrical shape having an insertion hole 17a, arranged on the base frame 9, and having a fitting part 17b fitted with the support part 11 on an outer peripheral surface thereof; a sleeve 19 having an inscribed part 19a inscribed with the insertion hole 17a on a bottom part, inserted into the insertion hole 17a, reduced in the diameter in a part above the inscribed part 19a and having a space 20 between an inner surface of the insertion hole 17a and it; and a bolt 21 inserted into a hole part 9a provided on the base frame 9 and the sleeve 19 in order to attach the sleeve 19 on the base frame 9. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、圧縮機を備えた冷蔵庫に関し、特に、圧縮機の支持構造に関する。   The present invention relates to a refrigerator provided with a compressor, and particularly to a support structure for a compressor.

従来の冷蔵庫は特許文献１に開示されている。この冷蔵庫は断熱箱体の下方に機械室を有し、機械室内に圧縮機が設置される。図６は圧縮機の支持構造を示す側面断面図である。圧縮機（不図示）の周面には取付用の支持部１１が突設される。機械室の底面はベースフレーム９により形成され、ベースフレーム９には孔部９ａが設けられている。   A conventional refrigerator is disclosed in Patent Document 1. This refrigerator has a machine room below the heat insulation box, and a compressor is installed in the machine room. FIG. 6 is a side sectional view showing a support structure of the compressor. A support 11 for attachment projects from the peripheral surface of the compressor (not shown). The bottom surface of the machine room is formed by a base frame 9, and the base frame 9 is provided with a hole 9a.

ベースフレーム９上にはゴム等から成る弾性部材１７が配される。弾性部材１７は上下方向に貫通する挿通孔１７ａを有した筒状に形成され、外周面に嵌合部１７ｂが設けられる。嵌合部１７ｂには圧縮機の支持部１１に設けた孔部１１ａが嵌合する。弾性部材１７には内周側が開放された空洞部１７ｃが嵌合部１７ｂの下方に形成される。空洞部１７ｃによって弾性部材１７による振動吸収をより大きくすることができる。   An elastic member 17 made of rubber or the like is disposed on the base frame 9. The elastic member 17 is formed in a cylindrical shape having an insertion hole 17a penetrating in the vertical direction, and a fitting portion 17b is provided on the outer peripheral surface. A hole 11a provided in the support portion 11 of the compressor is fitted into the fitting portion 17b. The elastic member 17 is formed with a hollow portion 17c having an inner peripheral side open below the fitting portion 17b. Vibration absorption by the elastic member 17 can be further increased by the hollow portion 17c.

挿通孔１７ａ内には樹脂成形品から成るスリーブ１９が挿通される。スリーブ１９内には下方からベースフレーム９の孔部１９ａを介してボルト２１が挿通される。ボルト２１の上端はワッシャー２２を介してナット２３が螺合され、スリーブ１９がベースフレーム９に取り付けられる。これにより、圧縮機がベースフレーム９上に固定され、弾性部材１７によって圧縮機の振動が吸収される。   A sleeve 19 made of a resin molded product is inserted into the insertion hole 17a. Bolts 21 are inserted into the sleeve 19 from below through the holes 19 a of the base frame 9. A nut 23 is screwed onto the upper end of the bolt 21 via a washer 22, and the sleeve 19 is attached to the base frame 9. Thereby, the compressor is fixed on the base frame 9, and the vibration of the compressor is absorbed by the elastic member 17.

尚、ワッシャー２２は弾性部材１７の挿通孔１７ａよりも大径に形成され、弾性部材１７を抜け止めする。また、スリーブ１９は挿通孔１７ａの内面に密着して弾性部材１７を位置決めし、冷蔵庫の搬送時等の圧縮機の移動を防止することができる。   The washer 22 has a larger diameter than the insertion hole 17a of the elastic member 17, and prevents the elastic member 17 from coming off. Further, the sleeve 19 can be brought into close contact with the inner surface of the insertion hole 17a to position the elastic member 17, thereby preventing the compressor from moving during the conveyance of the refrigerator.

実開平５−２５２８０号（第６頁−第８頁、第４図）Japanese Utility Model Publication No. 5-25280 (pages 6-8, Fig. 4)

しかしながら、上記従来の冷蔵庫によると、スリーブ１９が弾性部材１７に密接するため、圧縮機の振動が弾性部材１７及びスリーブ１９を介してベースフレーム９に伝達される。これにより、冷蔵庫が振動が依然として発生する問題があった。   However, according to the conventional refrigerator, since the sleeve 19 is in close contact with the elastic member 17, the vibration of the compressor is transmitted to the base frame 9 through the elastic member 17 and the sleeve 19. Thereby, there was a problem that the refrigerator still vibrates.

本発明は、圧縮機による振動を低減できる冷蔵庫を提供することを目的とする。   An object of this invention is to provide the refrigerator which can reduce the vibration by a compressor.

上記目的を達成するために本発明は、冷凍サイクルを運転する圧縮機を機械室のベースフレーム上に設置する冷蔵庫において、前記圧縮機と一体に設けられる支持部と、挿通孔を有する筒状に形成して前記ベースフレーム上に配されるとともに前記支持部に嵌合する嵌合部を外周面に有する弾性部材と、前記挿通孔に内接する内接部を底部に有して前記挿通孔に挿通されるとともに前記内接部よりも上方で縮径して前記挿通孔の内面との間に隙間を形成するスリーブと、前記挿通孔の上方を覆って前記弾性部材を抜け止めする抜け止め部材と、前記ベースフレームに設けた孔部及び前記スリーブに挿通して前記スリーブを前記ベースフレーム上に取り付けるボルトとを備えたことを特徴としている。   In order to achieve the above object, the present invention provides a refrigerator in which a compressor for operating a refrigeration cycle is installed on a base frame of a machine room, and is formed into a cylindrical shape having a support portion provided integrally with the compressor and an insertion hole. An elastic member having a fitting portion formed on the base frame and fitted to the support portion on the outer peripheral surface, and an inscribed portion inscribed in the insertion hole at the bottom portion. A sleeve that is inserted and is reduced in diameter above the inscribed portion to form a gap with the inner surface of the insertion hole, and a retaining member that covers the upper part of the insertion hole and prevents the elastic member from falling off And a hole provided in the base frame and a bolt that passes through the sleeve and attaches the sleeve onto the base frame.

この構成によると、ベースフレーム上に弾性部材が配され、弾性部材の嵌合部に圧縮機の支持部が嵌合する。弾性部材の挿通孔にスリーブが挿通される。スリーブにはベースフレームの孔部を介してボルトが挿通され、ワッシャー等の抜け止め部材を介してボルトがナット等に螺合される。これにより、スリーブがベースフレーム上に固定される。圧縮機の振動は支持部を介して弾性部材に伝えられ、弾性部材により吸収される。スリーブの底部に設けられる内接部よりも上方と弾性部材との間には隙間が形成され、弾性部材を介してスリーブに伝えられる振動が低減される。また、スリーブの底部に設けられる内接部により搬送時等の圧縮機の移動が防止されるとともに、搬送時の横揺れによる弾性部材の座屈が防止される。   According to this configuration, the elastic member is arranged on the base frame, and the support portion of the compressor is fitted into the fitting portion of the elastic member. The sleeve is inserted through the insertion hole of the elastic member. Bolts are inserted into the sleeve through holes in the base frame, and the bolts are screwed into nuts and the like through retaining members such as washers. Thereby, the sleeve is fixed on the base frame. The vibration of the compressor is transmitted to the elastic member through the support portion and is absorbed by the elastic member. A gap is formed between the elastic member and a portion above the inscribed portion provided at the bottom of the sleeve, and vibration transmitted to the sleeve via the elastic member is reduced. Further, the inscribed portion provided at the bottom of the sleeve prevents the compressor from moving during conveyance and prevents the elastic member from buckling due to rolling during conveyance.

また本発明は、上記構成の冷蔵庫において、前記挿通孔の下端部が断面円形に形成され、前記内接部の外周面が断面多角形から成ることを特徴としている。   In the refrigerator having the above-described configuration, the lower end portion of the insertion hole is formed in a circular shape in cross section, and the outer peripheral surface of the inscribed portion is formed in a polygonal shape in cross section.

また本発明は、上記構成の冷蔵庫において、前記弾性部材がゴムから成り、前記弾性部材のゴム硬度（デュロメータ タイプＡ）が４０度以下であることを特徴としている。   In the refrigerator configured as described above, the elastic member is made of rubber, and the elastic member has a rubber hardness (durometer type A) of 40 degrees or less.

また本発明は、上記構成の冷蔵庫において、前記弾性部材の前記挿通孔と外周面との間を中実にしたことを特徴としている。   Further, the present invention is characterized in that, in the refrigerator having the above-described configuration, the space between the insertion hole and the outer peripheral surface of the elastic member is solid.

本発明によると、弾性部材の挿通孔に挿通されるスリーブの底部の内接部が挿通孔に内接して内接部よりも上方で挿通孔との間に隙間が形成されるので、圧縮機の振動が弾性部材により吸収されるとともに弾性部材を介してスリーブに伝えられる振動を低減することができる。従って、冷蔵庫の振動を低減することができる。また、内接部によって搬送時等の圧縮機の移動を防止することができるとともに、搬送時の横揺れによる弾性部材の座屈を防止することができる。   According to the present invention, the inscribed portion of the bottom portion of the sleeve that is inserted into the insertion hole of the elastic member is inscribed in the insertion hole, and a gap is formed between the inscribed portion and the insertion hole above the inscribed portion. Can be absorbed by the elastic member, and vibration transmitted to the sleeve via the elastic member can be reduced. Therefore, the vibration of the refrigerator can be reduced. In addition, the inscribed portion can prevent the compressor from moving during transportation and the like, and can also prevent the elastic member from buckling due to rolling during transportation.

本発明の実施形態の冷蔵庫を示す斜視図The perspective view which shows the refrigerator of embodiment of this invention 本発明の実施形態の冷蔵庫の下部を示す側面断面図Side surface sectional drawing which shows the lower part of the refrigerator of embodiment of this invention 本発明の実施形態の冷蔵庫の圧縮機の支持構造を示す側面断面図Side surface sectional drawing which shows the support structure of the compressor of the refrigerator of embodiment of this invention 本発明の実施形態の冷蔵庫の圧縮機の支持構造のスリーブを示す底面図The bottom view which shows the sleeve of the support structure of the compressor of the refrigerator of embodiment of this invention 本発明の実施形態の冷蔵庫の圧縮機の支持構造の他のスリーブを示す底面図The bottom view which shows the other sleeve of the support structure of the compressor of the refrigerator of embodiment of this invention 従来の冷蔵庫の圧縮機の支持構造を示す側面断面図Side sectional view showing a support structure of a compressor of a conventional refrigerator

以下に本発明の実施形態を図面を参照して説明する。説明の便宜上、前述の図６に示す従来例と同一の部分は同一の符号を付している。図１は一実施形態の冷蔵庫の斜視図を示している。冷蔵庫１は断熱箱体２により複数の貯蔵室６が区画される。各貯蔵室６の前面は断熱扉（不図示）により開閉される。   Embodiments of the present invention will be described below with reference to the drawings. For convenience of explanation, the same parts as those in the conventional example shown in FIG. FIG. 1 shows a perspective view of a refrigerator according to an embodiment. In the refrigerator 1, a plurality of storage rooms 6 are partitioned by a heat insulating box 2. The front surface of each storage chamber 6 is opened and closed by a heat insulating door (not shown).

図２は冷蔵庫１の下部を示す側面断面図である。断熱箱体２は樹脂成形品から成る外箱３と内箱４との間に発泡断熱材５を充填して形成される。断熱箱体２の下方には冷凍サイクルを運転する圧縮機１０を設置する機械室７が設けられる。機械室７は断熱箱体２に取り付けられるベースフレーム９により底面が形成され、背面板８により背面が覆われる。圧縮機１０は外周面の底部から突出する支持部１１が一体に形成されている。   FIG. 2 is a side sectional view showing the lower part of the refrigerator 1. The heat insulating box 2 is formed by filling a foam heat insulating material 5 between an outer box 3 and an inner box 4 made of a resin molded product. A machine room 7 in which a compressor 10 that operates a refrigeration cycle is installed is provided below the heat insulating box 2. The machine room 7 has a bottom surface formed by a base frame 9 attached to the heat insulating box 2, and a back surface covered by a back plate 8. The compressor 10 is integrally formed with a support portion 11 protruding from the bottom of the outer peripheral surface.

図３は圧縮機１０の支持構造を示す側面断面図である。ベースフレーム９にはボルト２１を挿通する孔部９ａが設けられる。ベースフレーム９上にはゴム等から成る弾性部材１７が配される。弾性部材１７は上下方向に貫通する断面円形の挿通孔１７ａを有した筒状に形成され、嵌合部１７ｂが外周面に凹設される。嵌合部１７ｂには圧縮機１０（図１参照）の支持部１１に設けた孔部１１ａが嵌合する。   FIG. 3 is a side sectional view showing a support structure of the compressor 10. The base frame 9 is provided with a hole 9a through which the bolt 21 is inserted. An elastic member 17 made of rubber or the like is disposed on the base frame 9. The elastic member 17 is formed in a cylindrical shape having an insertion hole 17a having a circular cross section penetrating in the vertical direction, and a fitting portion 17b is recessed in the outer peripheral surface. A hole 11a provided in the support portion 11 of the compressor 10 (see FIG. 1) is fitted into the fitting portion 17b.

挿通孔１７ａ内には樹脂成形品から成るスリーブ１９が挿通される。スリーブ１９の底部は挿通孔１７ａに内接する内接部１９ａが形成され、内接部１９ａの上方には内接部１９ａに対して縮径された縮径部１９ｂが形成される。これにより、縮径部１９ｂと挿通孔１７ａの内面との間には隙間２０が形成される。   A sleeve 19 made of a resin molded product is inserted into the insertion hole 17a. An inscribed portion 19a that is inscribed in the insertion hole 17a is formed at the bottom of the sleeve 19, and a reduced diameter portion 19b that is reduced in diameter relative to the inscribed portion 19a is formed above the inscribed portion 19a. Thereby, a gap 20 is formed between the reduced diameter portion 19b and the inner surface of the insertion hole 17a.

図４はスリーブ１９の底面図を示している。スリーブ１９内には下方からベースフレーム９の孔部１９ａを介してボルト２１が挿通される。縮径部１９ｂの内面は断面円形に形成され、ボルト２１の挿入作業がスムーズに行えるようにボルト２１との間に径方向に１ｍｍ程度の隙間Ｗが設けられる。内接部１９ａの外面は縮径部１９ｂと同心の断面円形に形成される。   FIG. 4 shows a bottom view of the sleeve 19. Bolts 21 are inserted into the sleeve 19 from below through the holes 19 a of the base frame 9. The inner surface of the reduced diameter portion 19b is formed in a circular cross section, and a gap W of about 1 mm is provided in the radial direction between the bolt 21 so that the bolt 21 can be inserted smoothly. The outer surface of the inscribed portion 19a is formed in a circular cross section concentric with the reduced diameter portion 19b.

尚、図５に示すように、内接部１９ａを断面多角形に形成してもよい。これにより、内接部１９ａと挿通孔１７ａとが線接触し、両者の接触面積を小さくすることができる。   In addition, as shown in FIG. 5, you may form the inscribed part 19a in a cross-sectional polygon. Thereby, the inscribed portion 19a and the insertion hole 17a are in line contact, and the contact area between the two can be reduced.

スリーブ１９に挿通されたボルト２１の上端はワッシャー２２（抜け止め部材）を介してナット２３が螺合され、スリーブ１９がベースフレーム９に取り付けられる。これにより、圧縮機１０がベースフレーム９上に固定され、弾性部材１７によって圧縮機１０の振動が吸収される。   A nut 23 is screwed to the upper end of the bolt 21 inserted through the sleeve 19 via a washer 22 (a retaining member), and the sleeve 19 is attached to the base frame 9. Thereby, the compressor 10 is fixed on the base frame 9, and the elastic member 17 absorbs the vibration of the compressor 10.

ワッシャー２２は弾性部材１７の挿通孔１７ａよりも大径に形成されて挿通孔１７ａを覆い、弾性部材１７を抜け止めする。ナット２３の底面が挿通孔１７ａよりも大径の場合はワッシャー２２を省いてナット２３を抜け止め部材としてもよい。   The washer 22 is formed larger in diameter than the insertion hole 17a of the elastic member 17, covers the insertion hole 17a, and prevents the elastic member 17 from coming off. When the bottom surface of the nut 23 has a larger diameter than the insertion hole 17a, the washer 22 may be omitted and the nut 23 may be used as a retaining member.

また、ボルト２１を上方から挿通してベースフレーム９の下面にナット２３を配してもよい。この時、ボルト２１の底面が挿通孔１７ａよりも大径の場合はワッシャー２２を省いてボルト２１を抜け止め部材としてもよい。加えて、ベースフレーム９の孔部９ａに雌ネジを形成してナット２３を省いてもよい。   Further, the nuts 23 may be disposed on the lower surface of the base frame 9 by inserting the bolts 21 from above. At this time, if the bottom surface of the bolt 21 has a larger diameter than the insertion hole 17a, the washer 22 may be omitted and the bolt 21 may be used as a retaining member. In addition, the nut 23 may be omitted by forming a female screw in the hole 9 a of the base frame 9.

本実施形態ではワッシャー２２を支持部１１の孔部１１ａよりも大径に形成している。これにより、搬送時の衝撃等によって支持部１１が嵌合部１７ｂから外れても支持部１１を抜け止めし、圧縮機１０の脱落を防止することができる。   In this embodiment, the washer 22 is formed to have a larger diameter than the hole 11 a of the support portion 11. Thereby, even if the support part 11 comes off from the fitting part 17b by the impact at the time of conveyance, etc., the support part 11 can be prevented from being detached, and the compressor 10 can be prevented from falling off.

上記構成の冷蔵庫１において、圧縮機１０の駆動による振動は支持部１１を介して弾性部材１７に伝達され、弾性部材１７により吸収される。弾性部材１７とスリーブ１９とは底部の内接部１９ａで接触し、内接部１９ａよりも上方の縮径部１９ｂで隙間２０が設けられる。このため、弾性部材１７の上下方向及び左右方向の変形量を大きく確保できるとともに弾性部材１７とスリーブ１９との接触面積を少なくできる。これにより、弾性部材１７からスリーブ１９に伝達される振動が低減され、スリーブ１９及びベースフレーム９を介した冷蔵庫１の振動を低減することができる。   In the refrigerator 1 having the above-described configuration, vibration due to driving of the compressor 10 is transmitted to the elastic member 17 through the support portion 11 and absorbed by the elastic member 17. The elastic member 17 and the sleeve 19 are in contact with each other at the bottom inscribed portion 19a, and a gap 20 is provided at the reduced diameter portion 19b above the inscribed portion 19a. For this reason, the deformation amount of the elastic member 17 in the vertical direction and the horizontal direction can be ensured and the contact area between the elastic member 17 and the sleeve 19 can be reduced. Thereby, the vibration transmitted from the elastic member 17 to the sleeve 19 is reduced, and the vibration of the refrigerator 1 through the sleeve 19 and the base frame 9 can be reduced.

また、内接部１９ａが挿通孔１７ａの内面に密着して弾性部材１７が位置決めされる。これにより、冷蔵庫１の搬送時等の圧縮機１０の振動等に伴う弾性部材１７の移動を防止することができ、スリーブ１９と弾性部材１７との相対的な位置関係を維持できる。加えて、搬送時等に横揺れした際に、ベースフレーム９と弾性部材１７との摩擦による弾性部材１７の座屈を防止し、弾性部材１７の移動によるスリーブ１９との接触部分の増加を防止することができる。   Further, the inscribed portion 19a is in close contact with the inner surface of the insertion hole 17a, and the elastic member 17 is positioned. Thereby, the movement of the elastic member 17 accompanying the vibration of the compressor 10 at the time of conveyance of the refrigerator 1, etc. can be prevented, and the relative positional relationship between the sleeve 19 and the elastic member 17 can be maintained. In addition, the buckling of the elastic member 17 due to the friction between the base frame 9 and the elastic member 17 is prevented and the increase in the contact portion with the sleeve 19 due to the movement of the elastic member 17 is prevented when it rolls during transportation. can do.

また、内接部１９ａによって弾性部材１７の座屈を防止できるため、弾性部材１７のゴム硬度を低くすることができる。本実施形態では弾性部材１７としてＪＩＳ Ｋ ６２５３に基づくゴム硬度（デュロメータ タイプＡ）が４０度以下の安価な天然ゴム（ＮＲ）を使用している。これにより、弾性部材１７による振動吸収をより大きくすることができる。弾性部材１７として合成ゴムを使用してもよい。   Moreover, since the buckling of the elastic member 17 can be prevented by the inscribed portion 19a, the rubber hardness of the elastic member 17 can be lowered. In this embodiment, an inexpensive natural rubber (NR) having a rubber hardness (durometer type A) based on JIS K 6253 of 40 degrees or less is used as the elastic member 17. Thereby, vibration absorption by the elastic member 17 can be further increased. Synthetic rubber may be used as the elastic member 17.

加えて、弾性部材１７の振動吸収効果の向上によって挿通孔１７ａと外周面との間を中実にすることができる。これにより、従来例のように空洞部１７ｃ（図６参照）を設ける必要がなく、弾性部材１７の高さを低くして圧縮機１０の支持構造を省スペース化することができる。従って、冷蔵庫１の容積効率を向上することができる。   In addition, by improving the vibration absorbing effect of the elastic member 17, the space between the insertion hole 17a and the outer peripheral surface can be made solid. Accordingly, it is not necessary to provide the hollow portion 17c (see FIG. 6) as in the conventional example, and the height of the elastic member 17 can be reduced to save the support structure of the compressor 10. Therefore, the volumetric efficiency of the refrigerator 1 can be improved.

本実施形態によると、弾性部材１７の挿通孔１７ａに挿通されるスリーブ１９の底部の内接部１９ａが挿通孔１７ａに内接して内接部１９ａよりも上方で挿通孔１９ａとの間に隙間２０が形成されるので、圧縮機１０の振動が弾性部材１７により吸収されるとともに弾性部材１７を介してスリーブ１９に伝えられる振動を低減することができる。従って、冷蔵庫１の振動を低減することができる。加えて、貯蔵室６の前面の断熱扉を開いた際の振動による騒音を低減することができる。   According to the present embodiment, the inscribed portion 19a at the bottom of the sleeve 19 that is inserted into the insertion hole 17a of the elastic member 17 is inscribed in the insertion hole 17a, and is spaced from the insertion hole 19a above the inscribed portion 19a. 20 is formed, vibrations of the compressor 10 are absorbed by the elastic member 17 and vibration transmitted to the sleeve 19 through the elastic member 17 can be reduced. Therefore, the vibration of the refrigerator 1 can be reduced. In addition, noise due to vibrations when the heat insulating door on the front surface of the storage chamber 6 is opened can be reduced.

また、内接部１９ａによって搬送時等の圧縮機１０の移動を防止することができるとともに、搬送時の横揺れによる弾性部材１７の座屈を防止することができる。   In addition, the inscribed portion 19a can prevent the compressor 10 from moving during conveyance and the like, and can also prevent the elastic member 17 from buckling due to rolling during conveyance.

また、挿通孔１７ａが断面円形に形成され、内接部１９ａの外周面が断面多角形から成るので、弾性部材１７とスリーブ１９との接触面積を小さくしてスリーブ１９に伝えられる振動をより低減することができる。尚、挿通孔１７ａは内接部１９ａに面した少なくとも下端部が断面円形に形成されていればよい。   In addition, since the insertion hole 17a is formed in a circular cross section and the outer peripheral surface of the inscribed portion 19a is formed in a polygonal cross section, the contact area between the elastic member 17 and the sleeve 19 is reduced, and vibration transmitted to the sleeve 19 is further reduced. can do. The insertion hole 17a only needs to have a circular cross section at least at the lower end facing the inscribed portion 19a.

また、弾性部材１７がゴムから成り、弾性部材１７のゴム硬度（デュロメータ タイプＡ）が４０度以下であるので、弾性部材１７の振動吸収効果を向上して振動をより確実に吸収することができる。   Further, since the elastic member 17 is made of rubber and the rubber hardness (durometer type A) of the elastic member 17 is 40 degrees or less, the vibration absorbing effect of the elastic member 17 can be improved and vibrations can be more reliably absorbed. .

また、弾性部材１７の挿通孔１７ａと外周面との間を中実にしたので、従来例のように空洞部１７ｃ（図６参照）を設ける必要がなく、弾性部材１７の高さを低くして圧縮機１０の支持構造を省スペース化することができる。従って、冷蔵庫１の容積効率を向上することができる。   Further, since the space between the insertion hole 17a and the outer peripheral surface of the elastic member 17 is solid, it is not necessary to provide the cavity portion 17c (see FIG. 6) unlike the conventional example, and the height of the elastic member 17 is reduced. The space for supporting the compressor 10 can be saved. Therefore, the volumetric efficiency of the refrigerator 1 can be improved.

本発明によると、圧縮機を備えた冷蔵庫に利用することができる。   According to this invention, it can utilize for the refrigerator provided with the compressor.

１ 冷蔵庫
２ 断熱箱体
３ 外箱
４ 内箱
５ 発泡断熱材
６ 貯蔵室
７ 機械室
９ ベースフレーム
１０ 圧縮機
１１ 支持部
１７ 弾性部材
１７ａ 挿通孔
１７ｂ 嵌合部
１９ スリーブ
１９ａ 内接部
１９ｂ 縮径部
２１ ボルト
２２ ワッシャー
２３ ナット DESCRIPTION OF SYMBOLS 1 Refrigerator 2 Heat insulation box 3 Outer box 4 Inner box 5 Foam insulation 6 Storage room 7 Machine room 9 Base frame 10 Compressor 11 Support part 17 Elastic member 17a Insertion hole 17b Fitting part 19 Sleeve 19a Inscribed part 19b Reduced diameter Part 21 Bolt 22 Washer 23 Nut

Claims (4)

冷凍サイクルを運転する圧縮機を機械室のベースフレーム上に設置する冷蔵庫において、前記圧縮機と一体に設けられる支持部と、挿通孔を有する筒状に形成して前記ベースフレーム上に配されるとともに前記支持部に嵌合する嵌合部を外周面に有する弾性部材と、前記挿通孔に内接する内接部を底部に有して前記挿通孔に挿通されるとともに前記内接部よりも上方で縮径して前記挿通孔の内面との間に隙間を形成するスリーブと、前記挿通孔の上方を覆って前記弾性部材を抜け止めする抜け止め部材と、前記ベースフレームに設けた孔部及び前記スリーブに挿通して前記スリーブを前記ベースフレーム上に取り付けるボルトとを備えたことを特徴とする冷蔵庫。   In a refrigerator in which a compressor for operating a refrigeration cycle is installed on a base frame of a machine room, a support part provided integrally with the compressor and a cylindrical shape having an insertion hole are formed and arranged on the base frame. And an elastic member having a fitting portion fitted on the support portion on the outer peripheral surface, and an inscribed portion inscribed in the insertion hole at the bottom, and inserted through the insertion hole and above the inscribed portion. A sleeve that is reduced in diameter to form a gap with the inner surface of the insertion hole, a retaining member that covers the top of the insertion hole and prevents the elastic member from being removed, a hole provided in the base frame, and A refrigerator comprising a bolt inserted through the sleeve and mounting the sleeve onto the base frame. 前記挿通孔の下端部が断面円形に形成され、前記内接部の外周面が断面多角形から成ることを特徴とする請求項１に記載の冷蔵庫。   The refrigerator according to claim 1, wherein a lower end portion of the insertion hole is formed in a circular shape in cross section, and an outer peripheral surface of the inscribed portion is formed in a polygonal shape in cross section. 前記弾性部材がゴムから成り、前記弾性部材のゴム硬度（デュロメータ タイプＡ）が３０度以下であることを特徴とする請求項１または請求項２に記載の冷蔵庫。   The refrigerator according to claim 1 or 2, wherein the elastic member is made of rubber, and the elastic member has a rubber hardness (durometer type A) of 30 degrees or less. 前記弾性部材の前記挿通孔と外周面との間を中実にしたことを特徴とする請求項３に記載の冷蔵庫。   The refrigerator according to claim 3, wherein a space between the insertion hole and the outer peripheral surface of the elastic member is solid.
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