JPH0771790A - Connecting joint of air conditioner - Google Patents
Connecting joint of air conditionerInfo
- Publication number
- JPH0771790A JPH0771790A JP5219325A JP21932593A JPH0771790A JP H0771790 A JPH0771790 A JP H0771790A JP 5219325 A JP5219325 A JP 5219325A JP 21932593 A JP21932593 A JP 21932593A JP H0771790 A JPH0771790 A JP H0771790A
- Authority
- JP
- Japan
- Prior art keywords
- connection joint
- air conditioner
- refrigerant
- outdoor unit
- capillary tube
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Other Air-Conditioning Systems (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、室内ユニットと、冷媒
を減圧するキャピラリチューブを有した室外ユニットと
を接続するための空気調和機の接続継手に関するもので
ある。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an air conditioner connection joint for connecting an indoor unit and an outdoor unit having a capillary tube for decompressing a refrigerant.
【０００２】[0002]
【従来の技術】従来の空気調和機を図６乃至図８ととも
に説明する。従来の空気調和機は、室内側熱交換器１１
を備えた室内ユニット１２と、圧縮機１３，室外側熱交
換器１４，四方切換弁１５，冷媒を減圧するためのキャ
ピラリチューブ１６，上記室内ユニット１２の接続配管
パイプ１７を接続するための接続継手１８，１９を備え
た室外ユニット２０とからなっていた。上記接続継手１
８，１９の一方の接続部には室外ユニット側の配管パイ
プ２１が接続され、他方の接続部に上記接続配管パイプ
１７がフレアナット２２により接続され、該接続継手１
８，１９内に弁棒２３が配設されていた。2. Description of the Related Art A conventional air conditioner will be described with reference to FIGS. The conventional air conditioner has an indoor heat exchanger 11
An indoor unit 12 provided with a compressor 13, an outdoor heat exchanger 14, a four-way switching valve 15, a capillary tube 16 for depressurizing the refrigerant, and a connection joint for connecting a connection pipe 17 of the indoor unit 12. It consisted of an outdoor unit 20 equipped with 18, 19. Connection joint 1 above
The outdoor unit side piping pipe 21 is connected to one of the connecting portions 8 and 19, and the connecting piping pipe 17 is connected to the other connecting portion by a flare nut 22.
The valve rod 23 was disposed in each of 8 and 19.
【０００３】そして、室外ユニット２０のキャピラリチ
ューブ１６の前後には、当該キャピラリチューブ１６の
内径が非常に小さいためこのキャピラリチューブ１６に
切粉や塵埃が詰まらないように冷媒中の切粉や塵埃を取
り除く濾過網２４を内部に設けたストレーナ２５が取り
付けられていた。Before and after the capillary tube 16 of the outdoor unit 20, the capillary tube 16 has a very small inner diameter, so that the capillary tube 16 is protected from chips and dust in the refrigerant so as not to be clogged with chips and dust. A strainer 25 having a filter net 24 to be removed inside was attached.
【０００４】[0004]
【発明が解決しようとする課題】上記構成の空気調和機
であれば、室外ユニットの配管パイプとキャピラリチュ
ーブとの間にストレーナを接続する必要があり、部品点
数が増えコストが高くなり、組み立てに手間がかかると
いう問題があった。In the air conditioner having the above structure, it is necessary to connect a strainer between the piping pipe and the capillary tube of the outdoor unit, resulting in an increase in the number of parts and an increase in cost. There was a problem that it took time.
【０００５】本発明の空気調和機の接続継手は上記の問
題に鑑みなされたものであり、接続継手本体内部の冷媒
通路に濾過網を設けることにより、部品点数を削減し組
み立て効率を向上させることを目的とするものである。The connection joint of the air conditioner of the present invention has been made in view of the above problems. By providing a filter mesh in the refrigerant passage inside the connection joint body, the number of parts can be reduced and the assembly efficiency can be improved. The purpose is.
【０００６】[0006]
【課題を解決するための手段】上記の目的を達成するた
めに本発明の空気調和機の接続継手は、室内ユニット
と、冷媒を減圧するキャピラリチューブを有した室外ユ
ニットとを接続するための空気調和機の接続継手本体内
部の冷媒通路に冷媒中の切粉や塵埃を取り除く濾過網を
密着固定している。そして、上記濾過網に設けられた固
定リングを、接続継手に取り付ける室外ユニット内の配
管パイプと、接続継手本体とで挟持し固定している。更
に、上記濾過網の周端部を、接続継手に取り付ける室外
ユニット内の配管パイプの外周面と、接続継手本体の内
周面とで挟持し固定している。In order to achieve the above object, a connection joint of an air conditioner according to the present invention is an air for connecting an indoor unit and an outdoor unit having a capillary tube for depressurizing a refrigerant. A filter mesh for removing cutting chips and dust in the refrigerant is tightly fixed to the refrigerant passage inside the connection joint body of the air conditioner. Then, the fixing ring provided on the filtration net is clamped and fixed by the piping pipe in the outdoor unit attached to the connection joint and the connection joint body. Further, the peripheral end portion of the above-mentioned filter mesh is clamped and fixed between the outer peripheral surface of the pipe in the outdoor unit attached to the connection joint and the inner peripheral surface of the connection joint body.
【０００７】また、室内ユニットと、冷媒を減圧するキ
ャピラリチューブを有した室外ユニットとを接続するた
めの空気調和機の接続継手に取り付ける室外ユニット内
の配管パイプの内周面に濾過網を密着固定している。Further, a filter mesh is closely fixed to the inner peripheral surface of the pipe in the outdoor unit attached to the connection joint of the air conditioner for connecting the indoor unit and the outdoor unit having the capillary tube for depressurizing the refrigerant. is doing.
【０００８】[0008]
【作用】上記構成の空気調和機の接続継手は、接続継手
内部の冷媒通路を通る冷媒中の切粉や塵埃を濾過網で取
り除き、キャピラリチューブの切粉や塵埃による詰まり
を防ぐ。また、接続継手内部の冷媒通路を介して配管パ
イプを通る冷媒中の切粉や塵埃を濾過網で取り除き、キ
ャピラリチューブの切粉や塵埃による詰まりを防ぐ。In the connection joint of the air conditioner having the above-mentioned structure, the chips and dust in the refrigerant passing through the refrigerant passage inside the connection joint are removed by the filter mesh, and the capillary tube is prevented from being clogged with the chips and dust. Further, chips and dust in the refrigerant passing through the pipe through the refrigerant passage inside the connection joint are removed by a filter mesh to prevent the capillary tube from being clogged with chips and dust.
【０００９】[0009]
【実施例】本発明の空気調和機の接続継手の第１実施例
を図１とともに説明する。本発明の空気調和機は、室内
側熱交換器を備えた室内ユニットと、圧縮機，室外側熱
交換器，四方切換弁，冷媒を減圧するためのキャピラリ
チューブ，上記室内ユニットの接続配管パイプ１を接続
するための接続継手２を備えた室外ユニットとからなっ
ている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a connection joint for an air conditioner according to the present invention will be described with reference to FIG. The air conditioner of the present invention includes an indoor unit having an indoor heat exchanger, a compressor, an outdoor heat exchanger, a four-way switching valve, a capillary tube for decompressing a refrigerant, and a connecting pipe pipe 1 for the indoor unit. And an outdoor unit provided with a connection joint 2 for connecting the.
【００１０】上記接続継手２の一方の接続部には室外ユ
ニット側の配管パイプ３が接続され、その他方の接続部
に上記接続配管パイプ１がフレアナット４により接続さ
れ、該接続継手２内には弁棒５が配設されている。そし
て、接続継手２本体内部の冷媒通路６には冷媒中の切粉
や塵埃を取り除く固定リング７と一体となっている濾過
網８が圧入等により密着固定されて取り付けられてい
る。The piping pipe 3 on the outdoor unit side is connected to one of the connecting portions of the connecting joint 2, and the connecting piping pipe 1 is connected to the other connecting portion by a flare nut 4, and the inside of the connecting joint 2 is connected. Is provided with a valve rod 5. A filter mesh 8 that is integrated with a fixing ring 7 that removes chips and dust in the refrigerant is attached to the refrigerant passage 6 inside the main body of the connecting joint 2 by press fitting or the like.
【００１１】上記第１実施例において、空気調和機の暖
房運転時には、冷媒は室内ユニットから接続配管パイプ
１，接続継手２，濾過網８，室外ユニットの配管パイプ
３を経由して、キャピラリーチューブに戻り減圧され
る。このとき、圧縮機等から出た切粉や塵埃を含んだ冷
媒が上記濾過網８を通るときに、該濾過網８でこの切粉
や塵埃を取り除き、キャピラリーチューブには冷媒のみ
が流れることとなり、切粉や塵埃によりキャピラリーチ
ューブが詰まることを防止している。In the first embodiment, during the heating operation of the air conditioner, the refrigerant flows from the indoor unit to the capillary tube via the connecting piping pipe 1, the connecting joint 2, the filtering net 8 and the piping pipe 3 of the outdoor unit. Return pressure is reduced. At this time, when the refrigerant containing chips and dust discharged from the compressor or the like passes through the filtration net 8, the chips and dust are removed by the filtration net 8 and only the refrigerant flows through the capillary tube. Prevents the capillary tube from being clogged with cutting chips and dust.
【００１２】本発明の空気調和機の接続継手の第２実施
例を図２とともに説明する。本発明の空気調和機の接続
継手の第２実施例は、接続継手１本体内に濾過網８と一
体となっている固定リング７を当該接続継手１と室外ユ
ニットの配管パイプ３により挟持して固定し、上記接続
継手１本体内部の冷媒通路６に取り付けている。A second embodiment of the connection joint of the air conditioner of the present invention will be described with reference to FIG. The second embodiment of the connection joint of the air conditioner of the present invention is such that the fixing ring 7 integrated with the filter net 8 is sandwiched between the connection joint 1 and the piping pipe 3 of the outdoor unit in the main body of the connection joint 1. It is fixed and attached to the refrigerant passage 6 inside the main body of the connection joint 1.
【００１３】本発明の空気調和機の接続継手の第３実施
例を図３とともに説明する。本発明の空気調和機の接続
継手の第３実施例は、濾過網８の周端部を室外ユニット
の配管パイプ３の外周に位置させ、該配管パイプ３の外
周面と接続継手１本体内周面とで挟持して固定し、該濾
過網８を上記接続継手１本体内部の冷媒通路６に取り付
けている。A third embodiment of the connection joint of the air conditioner of the present invention will be described with reference to FIG. In the third embodiment of the connection joint for an air conditioner of the present invention, the peripheral end portion of the filtration net 8 is located on the outer circumference of the piping pipe 3 of the outdoor unit, and the outer peripheral surface of the piping pipe 3 and the inner circumference of the connection joint 1 main body. The filter net 8 is fixed to the refrigerant passage 6 inside the main body of the connection joint 1 by being sandwiched between the surfaces and fixed.
【００１４】本発明の空気調和機の接続継手の第４実施
例を図４とともに説明する。本発明の空気調和機の接続
継手の第４実施例は、接続継手１本体内の冷媒通路６部
に位置する部分に濾過網８を一体に取り付けている。A fourth embodiment of the connection joint of the air conditioner of the present invention will be described with reference to FIG. In the fourth embodiment of the connection joint of the air conditioner of the present invention, the filter net 8 is integrally attached to the portion located in the refrigerant passage 6 in the main body of the connection joint 1.
【００１５】本発明の空気調和機の接続継手の第５実施
例を図５とともに説明する。本発明の空気調和機の接続
継手の第５実施例は、接続継手１に接続される室外ユニ
ットの配管パイプ３の内周面に固定リング７と一体とな
った濾過網８を密着固定して取り付けている。A fifth embodiment of the connection joint of the air conditioner of the present invention will be described with reference to FIG. The fifth embodiment of the connection joint for an air conditioner of the present invention is such that a filter mesh 8 integrated with a fixing ring 7 is closely fixed to the inner peripheral surface of a piping pipe 3 of an outdoor unit connected to the connection joint 1. It is attached.
【００１６】[0016]
【発明の効果】本発明の空気調和機の接続継手は、接続
継手内部の冷媒通路を通る冷媒中の切粉や塵埃を接続継
手内部の濾過網で取り除き、キャピラリチューブの切粉
や塵埃による詰まりを防止することができ、しかも、部
品点数を削減するとともに組立効率を向上させることが
できる。また、接続継手内部の冷媒通路を介して配管パ
イプを通る冷媒中の切粉や塵埃を配管パイプ内部の濾過
網で取り除き、キャピラリチューブの切粉や塵埃による
詰まりを防止することができ、しかも、部品点数を削減
するとともに組立効率を向上させることができる。The air conditioner connection joint of the present invention removes chips and dust in the refrigerant passing through the refrigerant passage inside the connection joint with a filter mesh inside the connection joint, and clogs the capillary tube with the chips and dust. Can be prevented, and the number of parts can be reduced and the assembling efficiency can be improved. Further, chips and dust in the refrigerant passing through the piping pipe through the refrigerant passage inside the connection joint can be removed by a filter mesh inside the piping pipe to prevent clogging of the capillary tube due to chips and dust, and It is possible to reduce the number of parts and improve the assembly efficiency.
【図１】本発明の空気調和機の接続継手の第１実施例を
示す断面図である。FIG. 1 is a sectional view showing a first embodiment of a connection joint of an air conditioner of the present invention.
【図２】本発明の空気調和機の接続継手の第２実施例を
示す断面図である。FIG. 2 is a sectional view showing a second embodiment of the connection joint of the air conditioner of the present invention.
【図３】本発明の空気調和機の接続継手の第３実施例を
示す断面図である。FIG. 3 is a sectional view showing a third embodiment of the connection joint of the air conditioner of the present invention.
【図４】本発明の空気調和機の接続継手の第４実施例を
示す断面図である。FIG. 4 is a sectional view showing a fourth embodiment of the connection joint of the air conditioner of the present invention.
【図５】本発明の空気調和機の接続継手の第５実施例を
示す断面図である。FIG. 5 is a sectional view showing a fifth embodiment of the connection joint of the air conditioner of the present invention.
【図６】従来の空気調和機の接続継手を用いた空気調和
機の冷凍サイクルを示す概略説明図である。FIG. 6 is a schematic explanatory view showing a refrigeration cycle of an air conditioner using a connection joint of a conventional air conditioner.
【図７】従来の接続継手を示す断面図である。FIG. 7 is a cross-sectional view showing a conventional connection joint.
【図８】従来の空気調和機に用いられるストレーナを示
す断面図である。FIG. 8 is a cross-sectional view showing a strainer used in a conventional air conditioner.
１ 接続配管パイプ ２ 接続継手 ３ 配管パイプ ４ フレアナット ５ 弁棒 ６ 冷媒通路 ７ 固定リング ８ 濾過網 1 Connection Piping Pipe 2 Connection Joint 3 Piping Pipe 4 Flare Nut 5 Valve Rod 6 Refrigerant Passage 7 Fixing Ring 8 Filtration Net
Claims (4)
ラリチューブを有した室外ユニットとを接続するための
空気調和機の接続継手において、 接続継手本体内部の冷媒通路に冷媒中の切粉や塵埃を取
り除く濾過網を密着固定したことを特徴とする空気調和
機の接続継手。1. In a connection joint of an air conditioner for connecting an indoor unit and an outdoor unit having a capillary tube for decompressing a refrigerant, cutting chips and dust in the refrigerant are introduced into a refrigerant passage inside a connection joint body. A connection joint for an air conditioner, characterized in that a filter net to be removed is closely fixed.
接続継手に取り付ける室外ユニット内の配管パイプと、
接続継手本体とで挟持し固定したことを特徴とする請求
項１記載の空気調和機の接続継手。2. A fixing ring provided on the filter mesh,
Piping pipe in the outdoor unit to be attached to the connection joint,
The connection joint for an air conditioner according to claim 1, wherein the connection joint is clamped and fixed by the connection joint body.
付ける室外ユニット内の配管パイプの外周面と、接続継
手本体の内周面とで挟持し固定したことを特徴とする請
求項１記載の空気調和機の接続継手。3. The peripheral end portion of the filtration net is clamped and fixed by an outer peripheral surface of a pipe in an outdoor unit attached to a connection joint and an inner peripheral surface of a connection joint main body. Air conditioner connection joint described.
ラリチューブを有した室外ユニットとを接続するための
空気調和機の接続継手において、 接続継手に取り付ける室外ユニット内の配管パイプの内
周面に濾過網を密着固定したことを特徴とする空気調和
機の接続継手。4. A connection joint of an air conditioner for connecting an indoor unit and an outdoor unit having a capillary tube for decompressing a refrigerant, wherein filtration is performed on an inner peripheral surface of a piping pipe in the outdoor unit attached to the connection joint. A connection joint for an air conditioner characterized in that the mesh is fixed tightly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5219325A JPH0771790A (en) | 1993-09-03 | 1993-09-03 | Connecting joint of air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5219325A JPH0771790A (en) | 1993-09-03 | 1993-09-03 | Connecting joint of air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0771790A true JPH0771790A (en) | 1995-03-17 |
Family
ID=16733701
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5219325A Pending JPH0771790A (en) | 1993-09-03 | 1993-09-03 | Connecting joint of air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0771790A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132498A (en) * | 2002-10-11 | 2004-04-30 | Daikin Ind Ltd | Shutoff valve and air conditioner |
| WO2007094280A1 (en) * | 2006-02-15 | 2007-08-23 | Daikin Industries, Ltd. | Closing valve for liquid refrigerant of air conditioner |
| JP2007263402A (en) * | 2006-03-27 | 2007-10-11 | Sanyo Electric Co Ltd | Transient critical refrigerating cycle device |
-
1993
- 1993-09-03 JP JP5219325A patent/JPH0771790A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004132498A (en) * | 2002-10-11 | 2004-04-30 | Daikin Ind Ltd | Shutoff valve and air conditioner |
| WO2007094280A1 (en) * | 2006-02-15 | 2007-08-23 | Daikin Industries, Ltd. | Closing valve for liquid refrigerant of air conditioner |
| JP2007263402A (en) * | 2006-03-27 | 2007-10-11 | Sanyo Electric Co Ltd | Transient critical refrigerating cycle device |
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