JPH01163262U

JPH01163262U -

Info

Publication number: JPH01163262U
Application number: JP6028388U
Authority: JP
Priority date: 1988-05-07
Filing date: 1988-05-07
Publication date: 1989-11-14

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例であるチエツクバル
ブ装置の閉鎖状態を示す縦断面図、第２図は同じ
く開放状態を示す縦断面図、第３図は本考案に係
るチエツクバルブ装置が使用されている燃料ポン
プ装置を示す一部切断断面図、第４図は従来例を
示す縦断面図、第５図は他の従来例を示す縦断面
図である。Ｖ…チエツクバルブ、１…燃料ポンプ、２…ア
ウトレツトパイプ、３…吐出通路（流路）、４…
吐出口、５…弁室、６…弁口、７…弁座、８…バ
ルブガイド、８ａ…雌テーパ部、９…リブ、１０
…バルブ本体、１１…弁体、１１ａ…雄テーパ部
、１２…ガイド部。 Fig. 1 is a longitudinal cross-sectional view showing a check valve device according to an embodiment of the present invention in a closed state, Fig. 2 is a longitudinal cross-sectional view showing the same in an open state, and Fig. 3 is a vertical cross-sectional view showing a check valve device according to the present invention in use. FIG. 4 is a longitudinal sectional view showing a conventional example, and FIG. 5 is a longitudinal sectional view showing another conventional example. V...Check valve, 1...Fuel pump, 2...Outlet pipe, 3...Discharge passage (flow path), 4...
Discharge port, 5... Valve chamber, 6... Valve port, 7... Valve seat, 8... Valve guide, 8a... Female taper part, 9... Rib, 10
... Valve body, 11... Valve body, 11a... Male taper part, 12... Guide part.

Claims

[Scope of utility model registration request]

A valve chamber formed in the flow path, a valve guide disposed within the valve chamber, a valve port opened in a part of the valve chamber, and a valve seat formed around the valve port. A valve body is disposed in the valve chamber so as to open and close the valve port by moving on and off the valve seat, and a valve body is provided that protrudes so as to move integrally with the valve body and is slidable in the valve guide. In the check valve device, a male taper part is formed in a part of the valve body, and a female taper part is fitted to the male taper part in the valve guide. A check valve device characterized in that it is formed as follows.