JPH10339524A - Receiver drier - Google Patents
Receiver drierInfo
- Publication number
- JPH10339524A JPH10339524A JP14536097A JP14536097A JPH10339524A JP H10339524 A JPH10339524 A JP H10339524A JP 14536097 A JP14536097 A JP 14536097A JP 14536097 A JP14536097 A JP 14536097A JP H10339524 A JPH10339524 A JP H10339524A
- Authority
- JP
- Japan
- Prior art keywords
- tank
- header
- outer diameter
- suction pipe
- diameter
- 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
- Air-Conditioning For Vehicles (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は車両用冷房システム
等に用いられ液相冷媒を一時的に貯留するレシーバドラ
イヤに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a receiver dryer for temporarily storing a liquid refrigerant used in a vehicle cooling system or the like.
【０００２】[0002]
【従来の技術】従来のレシーバドライヤにおいては、鉄
製あるいはアルミニウム製の筒状のタンク本体の上端開
口部に、上記タンクと同じ材質の蓋体（ヘッダ）が接合
され、両者は溶接により接合されて密封容器を構成して
いる。かかる従来のレシーバドライヤでは、上記タンク
とヘッダとを溶接する際に、図３に示す如くヘッダ３１
ａの外径寸法をＤ0としたとき、この寸法Ｄ0をタンク１
の外径寸法Ｄ1に合わせることが行なわれている。即
ち、従来のレシーバドライヤの溶接部に形成される溶接
ビードは、不安定に形成される場合があり、この場合に
はレシーバドライヤの耐圧面で不具合が生じることがあ
るので、タンク径とヘッダ径を同一にして、溶接ビード
の充分な溶け込みを確保しているのである。なお、図３
はタンクとヘッダとの溶接状態を示す部分断面図であ
り、Ｗ1はタンク１の外面とヘッダ３１ａの外面にまた
がって施された溶接部を示す。2. Description of the Related Art In a conventional receiver dryer, a lid (header) made of the same material as the tank is joined to an upper end opening of a cylindrical tank body made of iron or aluminum, and both are joined by welding. It constitutes a sealed container. In such a conventional receiver dryer, when the tank and the header are welded, as shown in FIG.
When the outer diameter of a is D 0 , this dimension D 0 is
It has been made possible to adjust the outside diameter D 1. That is, the weld bead formed in the welded portion of the conventional receiver dryer may be formed in an unstable manner, and in this case, a problem may occur in the pressure resistance surface of the receiver dryer. And ensure sufficient penetration of the weld bead. Note that FIG.
Is a partial sectional view showing a welding state between the tank and the header, W 1 denotes a welded portion which has been subjected over the outer surface of the outer surface and the header 31a of the tank 1.
【０００３】[0003]
【発明が解決しようとする課題】上記従来のレシーバド
ライヤにおいては、タンクの外径と同径のヘッダを用い
て、タンクにヘッダを溶接しているので、ヘッダの重量
が重くなり材料コストも高くなる等の問題点がある。本
発明はかかる問題点を解決し、重量が軽くなり、かつ材
料コストを低減したレシーバドライヤを提供することを
目的とする。In the above-mentioned conventional receiver dryer, the header is welded to the tank by using a header having the same diameter as the outer diameter of the tank. Therefore, the weight of the header is increased and the material cost is increased. There are problems such as becoming. An object of the present invention is to solve such a problem and to provide a receiver dryer having a reduced weight and a reduced material cost.
【０００４】[0004]
【課題を解決するための手段】上記目的を達成すべく、
本発明に係るレシーバドライヤは、上端が開口する筒状
のタンクの上記開口端に、冷媒の流入口及び及び流出口
を形成したヘッダを気密に接合して構成されるレシーバ
ドライヤであって、上記ヘッダの外径寸法を上記タンク
の外径寸法に対して小さく形成したことを特徴としてい
る。In order to achieve the above object,
The receiver dryer according to the present invention is a receiver dryer configured by airtightly joining a header that forms an inlet and an outlet for a refrigerant to the open end of a cylindrical tank whose upper end is opened, The outer diameter of the header is smaller than the outer diameter of the tank.
【０００５】さらに、本発明に係るレシーバドライヤ
は、上端が開口する円筒形状のタンクと、高さ方向中間
位置にフィルタ係止部を有し、前記タンクの中心部に配
置される冷媒吸出管と冷媒吸出用の通孔を有し、前記吸
出管の下端部に取付けられ前記タンクの底面中央部に当
接して前記吸出管をタンク中心部に支持する受け部材
と、内部に乾燥剤が充填され前記吸出管のフィルタ係止
部上に支持してタンク内に保持されるフィルタ部と、冷
媒の流入口及び流出口と該流出口に連通し、前記吸出管
の上端部に嵌挿される中心接合口を有し、該接合口に吸
出管上端部を気密にシールするシール部材を設けた前記
タンクの上端開口部に嵌合固定される円板形状のヘッダ
とを備える。そして、円板形状のヘッダの外径寸法を円
筒形状のタンクの外径寸法に対して小さく形成し、両部
材を溶接により固着してなるものである。Further, a receiver dryer according to the present invention has a cylindrical tank having an open upper end, a filter locking portion at an intermediate position in a height direction, and a refrigerant suction pipe disposed at the center of the tank. A receiving member having a through hole for sucking refrigerant, attached to a lower end portion of the suction pipe, abutting against a center of a bottom surface of the tank, and supporting the suction pipe at the center of the tank, and a desiccant is filled therein. A filter portion supported on the filter engagement portion of the suction pipe and held in the tank; an inlet and an outlet for the refrigerant; and a central joint communicating with the outlet and inserted into the upper end of the suction pipe. A disc-shaped header fitted and fixed to an upper end opening of the tank provided with a sealing member for hermetically sealing the upper end of the suction pipe at the joining opening. Then, the outer diameter of the disk-shaped header is formed smaller than the outer diameter of the cylindrical tank, and both members are fixed by welding.
【０００６】また、本発明のレシーバドライヤの好まし
い態様では、円筒形状のタンクの開口部は、先細のテー
パー部を有し、円筒形状のヘッダは、タンクの内径寸法
より小なる外径寸法を有する小径部と、タンクの内径寸
法より大なる外径寸法を有する大径部とを有し、小径部
と大径部の段付部がタンクの開口部の縁部に当接され
る。このような構成とされた本発明のレシーバドライヤ
においては、タンクの外径寸法より小さい外径寸法を有
するヘッダがタンクの上端開口部に溶接により接合され
るので、レシーバドライヤの軽量化が達成でき、材料コ
ストが低減される。In a preferred embodiment of the receiver dryer of the present invention, the opening of the cylindrical tank has a tapered portion, and the cylindrical header has an outer diameter smaller than the inner diameter of the tank. It has a small-diameter portion and a large-diameter portion having an outer diameter larger than the inner diameter of the tank, and the stepped portion of the small-diameter portion and the large-diameter portion abuts on the edge of the opening of the tank. In the receiver dryer of the present invention having such a configuration, the header having the outer diameter smaller than the outer diameter of the tank is joined to the upper end opening of the tank by welding, so that the weight of the receiver dryer can be reduced. And material costs are reduced.
【０００７】[0007]
【発明の実施の形態】以下、本発明の一実施の形態を図
１及び図２に示す断面図に従い説明する。図１におい
て、符号１は上端が開口する例えばアルミニウム製のタ
ンクで、このタンク１は円筒形状をなし、その底面２１
が平坦中央部２２に向かったテーパ傾斜面２２ａを有す
る略摺鉢状に形成されている。２３は前記タンク１の略
中心部に配置される冷媒吸出管で、高さ方向に対する中
間位置にはフィルタ係止部４が膨出形成されている。DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to the sectional views shown in FIGS. In FIG. 1, reference numeral 1 denotes a tank made of, for example, aluminum having an open upper end.
Are formed in an approximately mortar shape having a tapered inclined surface 22a facing the flat central portion 22. Reference numeral 23 denotes a refrigerant suction pipe arranged at a substantially central portion of the tank 1, and a filter engaging portion 4 is formed so as to bulge at an intermediate position in the height direction.
【０００８】２４は前記吸出管２３の下端部に取付けら
れた受け部材で、吸出管２３の下端部に穴内端段部が当
接するように嵌着される取付穴２５と、この取付穴に連
通する側面開口の下端凹溝からなる冷媒吸出用の通孔２
７（取付穴の下端部に連通する横貫通孔であっても良
い）と、前記傾斜面２２ａに沿って平坦中央部２２に誘
導停止される下端傾斜面２４ａとを有する形状の吸出管
取付部材として形成され、この吸出管取付部材である受
け部材２４を前記タンク１の底面中央部２２に当接し
て、前記吸出管２３をタンク中心部に図１の如く支持し
ている。Reference numeral 24 denotes a receiving member mounted on the lower end of the suction pipe 23. The mounting hole 25 is fitted to the lower end of the suction pipe 23 so that the inner end step comes into contact with the lower end of the suction pipe 23, and communicates with the mounting hole. Through hole 2 for sucking refrigerant, which is formed by a concave groove at the lower end of the side opening
7 (may be a horizontal through hole communicating with the lower end of the mounting hole), and a lower end inclined surface 24a guided and stopped at the flat central portion 22 along the inclined surface 22a. The receiving member 24, which is a suction pipe mounting member, is in contact with the center 22 of the bottom surface of the tank 1 to support the suction pipe 23 at the center of the tank as shown in FIG.
【０００９】４０は前記吸出管２３のフィルタ係止部４
上に支持してタンク１内に保持されるフィルタ部で、多
数の通液小孔を有するパンチングメタルや網体等の円板
で形成され中心孔を前記吸出管２３に挿入してフィルタ
係止部４の上に係止される保持板２８ａと、この保持板
の上に載置される冷媒中の塵埃を除去するためのフェル
ト等の下部フィルタ２９ａと、この下部フィルタ上に充
填される冷媒中の水分を除去するための所定量の乾燥剤
３０と、この乾燥剤３０の上を覆う冷媒中の塵埃を除去
するためのフェルト等の上部フィルタ２９ｂと、多数の
通液小孔を有するパンチングメタルや網体等の円板で形
成され中心孔を前記吸出管２３に挿入して上部フィルタ
２９ｂの上に被着される押え板２８ｂとから構成され
る。Reference numeral 40 denotes a filter locking portion 4 of the suction pipe 23.
A filter portion supported above and held in the tank 1. The filter portion is formed of a disc, such as a punched metal or a net, having a large number of small holes, and a center hole is inserted into the suction pipe 23 to lock the filter. A holding plate 28a locked on the portion 4, a lower filter 29a such as felt for removing dust in the refrigerant placed on the holding plate, and a refrigerant filled on the lower filter. A predetermined amount of desiccant 30 for removing moisture therein, an upper filter 29b such as a felt for removing dust in a refrigerant covering the desiccant 30, and punching having a number of small holes for liquid passage A press plate 28b formed of a disc such as a metal or a mesh body and having a center hole inserted into the suction pipe 23 and attached on the upper filter 29b.
【００１０】なお、前記保持板２８ａと押え板２８ｂの
外周部及び中心孔部は鍔付きとなっており、その外周鍔
面はタンク１の内周面部に略接するようになっている
が、前記保持板２８ａ及び押え板２８ｂの鍔はなくても
良い。また、前記下部フィルタ２９ａ及び上部フィルタ
２９ｂの外径はタンク１の内面径よりやや大きく、その
外径を弾性的に縮めてタンク１内に挿入されるようにな
っているが、この下部フィルタ２９ａ及び上部フィルタ
２９ｂの外径をタンク１の内面径と略同一にすることも
可能である。The outer peripheral portion and the center hole of the holding plate 28a and the holding plate 28b are provided with a flange, and the outer peripheral flange surface is substantially in contact with the inner peripheral surface portion of the tank 1. The flanges of the holding plate 28a and the holding plate 28b may not be provided. The outer diameters of the lower filter 29a and the upper filter 29b are slightly larger than the inner surface diameter of the tank 1, and the outer diameters thereof are elastically reduced so as to be inserted into the tank 1. Also, the outer diameter of the upper filter 29b can be made substantially the same as the inner surface diameter of the tank 1.
【００１１】３１は前記タンク１の上端開口部に接合さ
れ、タンクとの接合部を溶接Ｗ1により固定されるヘッ
ダで、このヘッダ３１は冷媒流入配管（図示せず）を取
付けるための流入口３２と、冷媒吐出配管（図示せず）
を取付けるための流出口３３と、この流出口３３に連通
し前記吸出管２３の上端部に嵌挿される中心接合口３４
とを有し、この接合口３４の内部に吸出管２３の上端部
を気密にシールするＯリング等のシール部材を設け、前
記接合口３４の下方先端部をかしめることにより固定し
ている。従って、前記ヘッダ３１をタンク１の上端開口
部に嵌合したときに前記吸出管２３の上端部は前記接合
口３４の内孔に嵌挿され、シール部材により気密にシー
ルされる。流出口３３に対向して圧力スイッチ５０が配
設され、流出口における冷媒の圧力を検知する。[0011] 31 is joined to the upper end opening portion of the tank 1, a header which is fixed by welding W 1 the junction of the tank, the header 31 is an inlet for mounting a refrigerant inlet pipe (not shown) 32 and a refrigerant discharge pipe (not shown)
An outlet 33 for attaching the suction pipe, and a center joint port 34 which communicates with the outlet 33 and is inserted into the upper end of the suction pipe 23.
A sealing member such as an O-ring for hermetically sealing the upper end of the suction pipe 23 is provided inside the joint port 34, and the lower end of the joint port 34 is fixed by caulking. Therefore, when the header 31 is fitted into the upper end opening of the tank 1, the upper end of the suction pipe 23 is inserted into the inner hole of the joining port 34, and hermetically sealed by the sealing member. A pressure switch 50 is provided facing the outlet 33 to detect the pressure of the refrigerant at the outlet.
【００１２】本発明の一実施の形態を示す図１のレシー
バドライヤにあっては、そのＡ部を拡大して図２に示す
ように、ヘッダ３１の外径寸法Ｄ4をタンク１の外径寸
法Ｄ1より小さく形成してある。ヘッダ３１は、タンク
１の内径寸法Ｄ2より小さな外径寸法を有する小径部３
１０と、タンク１の内径寸法Ｄ2より大きな寸法を有す
る大径部３１１を有する段付きの部材である。In the receiver dryer shown in FIG. 1 showing an embodiment of the present invention, the outer diameter D 4 of the header 31 is changed to the outer diameter of the tank 1 as shown in FIG. It is formed smaller than the dimension D 1. The header 31 has a small diameter portion 3 having an outer diameter smaller than the inner diameter D 2 of the tank 1.
10, a member of the stepped having a large diameter portion 311 having a larger dimension than the inner diameter D 2 of the tank 1.
【００１３】ヘッダ３１は、この段付部をタンク１の開
口端部に当接して固定した後に、溶接により接合され、
気密に固着される。そこで、ヘッダ３１の外径寸法Ｄ4
をタンク１の外径寸法Ｄ1より小さく、タンク１の内径
寸法Ｄ2より大きな寸法に形成することにより、ヘッダ
３１の小型、軽量化を図ることができる。[0013] The header 31 is fixed by contacting the stepped portion with the opening end of the tank 1 and then welding.
Airtightly fixed. Therefore, the outer diameter D 4 of the header 31
The smaller than the outer diameter D 1 of the tank 1, by forming the larger size than the inner diameter D 2 of the tank 1, it is possible to reduce the size of the header 31, the weight reduction.
【００１４】而して、溶接部Ｗ1に形成される溶接ビー
ドについては、溶接電源の進歩にともない安定化され、
溶接条件（例えば電流、電圧及び回転速度等）が充分調
整可能となり、上記タンクとヘッダの外径寸法の相違に
より段差が生じても、充分な溶け込みが確保でき、レシ
ーバドライヤの耐圧面に不具合が生じることは解消され
るのである。Thus, the welding bead formed at the welding portion W 1 is stabilized with the progress of the welding power source,
Welding conditions (eg, current, voltage, rotation speed, etc.) can be adjusted sufficiently, and even if a step occurs due to the difference in the outer diameter of the tank and header, sufficient penetration can be ensured, and there is a problem with the pressure resistance surface of the receiver dryer. What happens is eliminated.
【００１５】図２において、タンク１の開口端部には、
テーパー面１１が形成される。テーパー面１１の先端部
には、平坦面１２が形成される。この平坦面１２にヘッ
ダ３１の段付部を当接することによって、ヘッダ３１を
タンク１の開口部に正確に位置決めすることができる。
また、このテーパー面１１を設けることによって、良好
な溶接面を用意することができる。In FIG. 2, at the open end of the tank 1,
A tapered surface 11 is formed. A flat surface 12 is formed at the tip of the tapered surface 11. By abutting the stepped portion of the header 31 on the flat surface 12, the header 31 can be accurately positioned at the opening of the tank 1.
Further, by providing the tapered surface 11, a good welding surface can be prepared.
【００１６】[0016]
【発明の効果】本発明は以上のように、カーエアコン用
のレシーバドライヤにあって、液相冷媒を貯留する円筒
形のタンクと、タンクの開口部を封止する円筒形のヘッ
ダを有し、ヘッダの外径寸法をタンクの外径寸法より小
さく形成して両部材を溶接するので、レシーバドライヤ
全体の小型、軽量化を図ることができる。As described above, the present invention relates to a receiver dryer for a car air conditioner, which has a cylindrical tank for storing a liquid-phase refrigerant and a cylindrical header for sealing an opening of the tank. Since the outer diameter of the header is formed smaller than the outer diameter of the tank and the two members are welded, the overall size and weight of the receiver dryer can be reduced.
【図１】本発明のレシーバドライヤの断面図。FIG. 1 is a sectional view of a receiver dryer of the present invention.
【図２】図１のＡ部の拡大図。FIG. 2 is an enlarged view of a portion A in FIG.
【図３】従来のレシーバドライヤの溶接状態を説明する
部分断面図。FIG. 3 is a partial sectional view illustrating a welding state of a conventional receiver dryer.
１ タンク ２３ 吸出管 ３０ 乾燥剤 ２９ａ，２９ｂ フィルタ ３１，３１ａ ヘッダ ５０ 圧力スイッチ DESCRIPTION OF SYMBOLS 1 Tank 23 Suction pipe 30 Desiccant 29a, 29b Filter 31, 31a Header 50 Pressure switch
Claims (3)
端に冷媒の流入口及び流出口を形成したヘッダを接合し
て構成されるレシーバドライヤにおいて、上記ヘッダの
外径寸法を上記タンクの外径寸法に対して小さく形成し
たことを特徴とするレシーバドライヤ。1. A receiver dryer comprising a cylindrical tank having an open upper end and a header formed with an inlet and an outlet for a refrigerant at the opening end of the cylindrical tank, wherein the outer diameter of the header is adjusted to the outer diameter of the tank. A receiver dryer that is formed smaller than the outer diameter.
さ方向中間位置にフィルタ係止部を有し、前記タンクの
中心部に配置される冷媒吸出管と冷媒吸出用の通孔を有
し、前記吸出管の下端部に取付けられ前記タンクの底面
中央部に当接して前記吸出管をタンク中心部に支持する
受け部材と、内部に乾燥剤が充填され前記吸出管のフィ
ルタ係止部上に支持してタンク内に保持されるフィルタ
部と、冷媒の流入口及び流出口と該流出口に連通し、前
記吸出管の上端部に嵌挿される中心接合口を有し、該接
合口に吸出管上端部を気密にシールするシール部材を設
けた前記タンクの上端開口部に嵌合固定される円板形状
のヘッダとを備え、円板形状のヘッダの外径寸法を円筒
形状のタンクの外径寸法に対して小さく形成し、両部材
を溶接により固着してなるカーエアコン用のレシーバド
ライヤ。2. A tank having a cylindrical shape having an open upper end, a filter locking portion at an intermediate position in the height direction, and a refrigerant suction pipe and a through hole for refrigerant suction arranged at the center of the tank. A receiving member attached to a lower end portion of the suction pipe and in contact with a center of a bottom surface of the tank to support the suction pipe at the center of the tank; and a filter locking portion of the suction pipe filled with a desiccant therein. A filter portion supported above and held in the tank, an inlet and an outlet for the refrigerant, and a center joint opening communicating with the outlet and being inserted into an upper end portion of the suction pipe; A disc-shaped header fitted and fixed to an upper end opening of the tank provided with a sealing member for hermetically sealing the upper end of the suction pipe, wherein the outer diameter of the disc-shaped header is cylindrical. Smaller than the outer diameter of Receiver dryer for car air conditioners.
ーパー部を有し、円筒形状のヘッダは、タンクの内径寸
法より小なる外径寸法を有する小径部と、タンクの内径
寸法より大なる外径寸法を有する大径部とを有し、小径
部と大径部の段付部がタンクの開口部の縁部に当接され
る請求項１記載のカーエアコン用レシーバドライヤ。3. An opening of the cylindrical tank has a tapered portion, and the cylindrical header has a small-diameter portion having an outer diameter smaller than the inner diameter of the tank, and a header having a larger diameter than the inner diameter of the tank. The receiver dryer for a car air conditioner according to claim 1, further comprising a large-diameter portion having an outer diameter dimension, wherein the step portion of the small-diameter portion and the large-diameter portion is in contact with an edge of the opening of the tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14536097A JPH10339524A (en) | 1997-06-03 | 1997-06-03 | Receiver drier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14536097A JPH10339524A (en) | 1997-06-03 | 1997-06-03 | Receiver drier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH10339524A true JPH10339524A (en) | 1998-12-22 |
Family
ID=15383408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14536097A Pending JPH10339524A (en) | 1997-06-03 | 1997-06-03 | Receiver drier |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH10339524A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100335358B1 (en) * | 2000-03-23 | 2002-05-06 | 황한규 | Receiver dryer of heat exchanger |
| US7875254B2 (en) * | 2006-07-10 | 2011-01-25 | Exxonmobil Chemical Patents Inc. | Internal loop reactor and Oxo process using same |
-
1997
- 1997-06-03 JP JP14536097A patent/JPH10339524A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100335358B1 (en) * | 2000-03-23 | 2002-05-06 | 황한규 | Receiver dryer of heat exchanger |
| US7875254B2 (en) * | 2006-07-10 | 2011-01-25 | Exxonmobil Chemical Patents Inc. | Internal loop reactor and Oxo process using same |
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