JPS63171791U

JPS63171791U -

Info

Publication number: JPS63171791U
Application number: JP6535187U
Authority: JP
Priority date: 1987-04-30
Filing date: 1987-04-30
Publication date: 1988-11-08
Also published as: JPH0417897Y2

Description

[Brief explanation of the drawing]

第１図は実施例１においてニツプルを所定の位
置に嵌合させてホース金具を製作しようとする説
明断面図である。第２図はニツプルの左側面図で
ありフレア部の表面に形成された溝を説明する図
である。第３図は第２図の一部Ａ―Ａ矢視縦断面
図である。第４図は実施例１のホース金具の説明
縦断面図である。第５図は実施例２に係わるホー
ス金具の縦断面図である。第６図は第５図に示す
ホース金具のＢ―Ｂ矢視要部断面図である。第７
図は実施例３に係わるホース金具の縦断面図であ
る。第８図は実施例４に係わるホース金具の縦断
面図である。第９図は実施例５に係わり雄ねじ部
を有するねじ結合部を持つホース金具の説明縦断
面図である。第１０図は従来のニツプルをかしめ
て製作されたホース金具の説明断面図である。第
１１図は従来のニツプルをロー付けして製作され
たホース金具の縦断面図である。第１２図は従来
の他の態様を示すホース金具の縦断面図である。１…基部、２…中央孔、３，１７…雌ねじ部、
４，１５，１９…ねじ結合部のすり合わせシール
部、５，１７…ねじ結合部、６…スリーブ、７…
金具本体、８…ニツプル、９…ニツプルのフレア
部、１０…フレア部の嵌合底部、１１…基部の嵌
合部、１２，１３，１４…溝、１６…雄ねじ部、
１８…ロー付け部。 FIG. 1 is an explanatory cross-sectional view showing how to manufacture a hose fitting by fitting a nipple into a predetermined position in Example 1. FIG. 2 is a left side view of the nipple, and is a diagram for explaining the grooves formed on the surface of the flared portion. FIG. 3 is a longitudinal cross-sectional view of a portion of FIG. 2 taken along the line AA. FIG. 4 is an explanatory longitudinal sectional view of the hose fitting of Example 1. FIG. 5 is a longitudinal sectional view of the hose fitting according to the second embodiment. FIG. 6 is a cross-sectional view of the main part of the hose fitting shown in FIG. 5 taken along the line BB. 7th
The figure is a longitudinal cross-sectional view of a hose fitting according to Example 3. FIG. 8 is a longitudinal sectional view of the hose fitting according to the fourth embodiment. FIG. 9 is an explanatory longitudinal cross-sectional view of a hose fitting having a threaded connection portion having a male threaded portion according to the fifth embodiment. FIG. 10 is an explanatory sectional view of a hose fitting manufactured by caulking a conventional nipple. FIG. 11 is a longitudinal sectional view of a hose fitting manufactured by brazing a conventional nipple. FIG. 12 is a longitudinal cross-sectional view of a hose fitting showing another embodiment of the conventional hose fitting. 1...Base, 2...Central hole, 3, 17...Female screw part,
4, 15, 19... Rubbing seal portion of threaded joint, 5, 17... Threaded joint, 6... Sleeve, 7...
Fitting main body, 8... Nipple, 9... Flare part of nipple, 10... Fitting bottom part of flare part, 11... Fitting part of base, 12, 13, 14... Groove, 16... Male thread part,
18...Brazing part.

Claims

[Claims for Utility Model Registration] (1) An annular base having a central hole, and a cylindrical body having an inner diameter approximately corresponding to the outer diameter of a hose that is integrally formed at one end of the base and inserted. a metal fitting main body having a sleeve and a threaded joint part formed as necessary and integrally formed on the other end side of the base part and having a threaded part and a tapered mating seal part; A hose fitting consisting of a cylindrical nipple which is caulked and fixed to the base and has an outer circumferential diameter that approximately corresponds to the inner circumferential diameter of the hose, wherein the nipple has a flared portion on the bottom side that fits into the base. is integrally formed, and on the surface of at least one of the fitting bottom of the flare part, the fitting part of the base that fits with the fitting bottom, and the mating seal part formed as necessary. is a hose fitting characterized by forming one or more concentric grooves centered on a central hole. (2) The fitting body is integrally formed on the other end side of the base and has a threaded joint part having a female thread part and a tapered mating seal part at the bottom, and the fitting bottom part of the flare part of the nipple; One or more concentric grooves centered on the center hole are formed on the surface of at least one of the fitting part of the base that fits with the fitting bottom part and the mating seal part of the threaded joint part. Scope of claim for utility model registration No. 1
Hose fittings listed in section. (3) A sleeve and nipple having the same shape as the sleeve and nipple described in claim 1 of the utility model registration are also provided on the other end side of the base, and each fitting bottom of each flare part of these two nipples and Utility model registration claim 1, in which one or more concentric grooves centered on the center hole are formed on the surface of at least one of the fitting portions of the base portion that fit with the respective fitting bottom portions. Hose fittings listed in section. (4) The fitting body is integrally formed on the other end side of the base and has a male threaded part, and has a threaded joint part with a reverse tapered sliding seal part on the inner side of the tip side of the male threaded part, and At least one surface of the fitting bottom part of the flare part, the fitting part of the base part that fits with the fitting bottom part, and the rubbing seal part of the threaded joint part has one or more holes centered on the center hole. Claim No. 1 for Utility Model Registration Forming Concentric Grooves
Hose fittings listed in section. (5) Concentric grooves are formed on the outer circumferential side of the fitting bottom of the flare part, the fitting part of the base that fits with the fitting bottom, or the sliding seal part of the threaded joint. Hose fittings described in Range 2.