JPH01152240U

JPH01152240U -

Info

Publication number: JPH01152240U
Application number: JP4893788U
Authority: JP
Priority date: 1988-04-12
Filing date: 1988-04-12
Publication date: 1989-10-20

Description

[Brief explanation of the drawing]

第１図は本考案の水圧試験用小型バルブの一実
施例を示した縦断面説明図、第２図は従来の水圧
試験用小型バルブを示した縦断面説明図、第３図
は両端末に継手金具を取付けたブレーキホースの
水圧試験装置の説明図である。１：ハンドル、２：弁棒、３：押さえナツト、
４，２２，２３：Ｏ―リング、５：ストツパー、
６：弁箱、７：一方側流路、８：一方側接続口、
９：弁室、１０：弁座、１１：直下流路、１２：
他方側流路、１３：他方側接続口、１４：水圧ポ
ンプ、１５：配管、１６：シール治具、１７：両
端末に継手金具を取付けたブレーキホース、２０
，２１：水圧試験用小型バルブ、２４：カセツト
弁座、２５：弁座押さえボルト、１０：弁座機能
部、１１１：直下流路機能部。 Fig. 1 is an explanatory longitudinal cross-sectional view showing one embodiment of the small valve for water pressure testing of the present invention, Fig. 2 is an explanatory longitudinal cross-sectional view showing a conventional small valve for water pressure testing, and Fig. 3 is an explanatory longitudinal cross-sectional view showing an embodiment of the small valve for water pressure testing of the present invention. FIG. 2 is an explanatory diagram of a brake hose water pressure test device with a fitting attached thereto. 1: Handle, 2: Valve stem, 3: Holder nut,
4, 22, 23: O-ring, 5: Stopper,
6: Valve box, 7: One side flow path, 8: One side connection port,
9: Valve chamber, 10: Valve seat, 11: Direct flow path, 12:
Flow path on the other side, 13: Connection port on the other side, 14: Water pressure pump, 15: Piping, 16: Seal jig, 17: Brake hose with fittings attached to both ends, 20
, 21: Small valve for water pressure test, 24: Cassette valve seat, 25: Valve seat holding bolt, 10: Valve seat function section, 111: Direct flow path function section.

Claims

[Scope of utility model registration request]

a valve box 6; a valve chamber 9 that is opened to an intermediate position along the vertical direction in the center of the valve box 6, has a flow passage opening at the center of the lower end, and has a valve seat 10 around it;
a valve rod 2 that is inserted into the valve chamber 9, has a handle 1 fixed to its upper end, and has a tapered valve body 21 on its lower side; A one-side connection port 8 is installed on one side surface of the lower part of the valve box 6 and is connected to the valve chamber 9 via the one-side flow path 7; and the other side passage 12 communicating with the valve chamber 9 and the direct downstream passage 11
In a small valve for hydraulic pressure testing, the valve chamber 9 is opened so that its lower side penetrates through the lower surface of the valve box 6, and its lower end side is provided with a skewer. a cassette valve seat 24 with a direct flow passage inserted into the opening, and a cassette valve seat 24 with a direct flow flow passage.
A small valve for water pressure testing, characterized by comprising a holding bolt 25 for fixing.