JPS5849168U

JPS5849168U - Piping connection structure of expansion valve in automotive air conditioner

Info

Publication number: JPS5849168U
Application number: JP14258781U
Authority: JP
Inventors: 高司丸山
Original assignee: 日本ラヂヱーター株式会社
Priority date: 1981-09-28
Filing date: 1981-09-28
Publication date: 1983-04-02

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は従来例を示す縦断面図、第２図はその配置状態
を示す正面図、第３図は本考案の一実施例を示す縦断面
図、第４図は第３図のＩＶ−ＩＶ矢視図、第５．６図は
本考案の他の実施例を示す断面図、第７図は第９図のフ
ランジ部材を示す正面図である。１・・・膨張弁、２・・・ハウジング、３・・・入口側
通路、４・・・出口側通路、６・・・流量制御弁、７・
・・感温部、１８・・・エバポレータ、１９・・・ダッ
シュパネル、２１．２２，２３．２４・・・配管、２５
・・・透孔、２６．２８・・・フランジ部、２７．２９
・・・透孔、３４・・・ボルト、３５・・・ナツト。第３図第４図FIG. 1 is a longitudinal sectional view showing a conventional example, FIG. 2 is a front view showing its arrangement, FIG. 3 is a longitudinal sectional view showing an embodiment of the present invention, and FIG. FIG. 5.6 is a sectional view showing another embodiment of the present invention, and FIG. 7 is a front view showing the flange member of FIG. 9. DESCRIPTION OF SYMBOLS 1... Expansion valve, 2... Housing, 3... Inlet side passage, 4... Outlet side passage, 6... Flow rate control valve, 7...
...Temperature sensing part, 18... Evaporator, 19... Dash panel, 21.22, 23.24... Piping, 25
...Through hole, 26.28...Flange part, 27.29
...Through hole, 34...Bolt, 35...Nut. Figure 3 Figure 4

Claims

[Scope of utility model registration request]

A flow control valve is provided for the inlet side passage of a pair of passages opened in the housing through which the refrigerant enters and exits, and a temperature sensing part is disposed in the outlet side passage, and the opening degree of the flow rate control valve can be adjusted by the temperature sensing part. In the pipe connection structure in which pipes are respectively connected to both ends of the roads in the expansion valve configured as above, an appropriate number of through holes are bored in the housing passing through both end faces of the housing, and both flanges are connected to each other. A suitable number of through holes are formed in each of the parts to directly face the through holes, both flanges are brought into contact with both end surfaces of the housing, and bolts are inserted into the through holes that are compatible with each other, and nuts are inserted. A piping connection structure for an expansion valve in an air conditioner for an automobile, characterized in that the inlet side and outlet side piping are fastened to the housing by tightening.