JPH03110172U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例の要部断面図、第２
図はその要部斜視図、第３図はそのものと従来と
を比較した流速特性図、第４図及び第５図はそれ
ぞれ他の実施例の要部正面図、第６図及び第７図
は本考案の他の実施例で、第６図はその要部正面
図、第７図は第６図の−拡大断面図、第８図
はそのものと従来とを比較した流速流量特性図、
第９図は他の実施例の平面図、第１０図は従来の
デリベリバルブ装置の断面図、第１１図ａ〜ｄは
バルブの作動を示す図、第１２図ａは従来のデリ
ベリバルブの正面図、ｂはそのカラー部の平面図
、第１３図は従来のデリベリバルブ装置の要部断
面図、第１４図はその流速特性図である。 １……弁座、２……流通孔、３……デリベリバ
ルブ、４……先端案内部、５……カラー部、６…
…弁部、７……外周、８，９，１０，１１，１２
……アングライヒカツト部。 Figure 1 is a sectional view of the main parts of an embodiment of the present invention, Figure 2
The figure is a perspective view of the main parts, Fig. 3 is a flow velocity characteristic diagram comparing the original and the conventional one, Figs. 4 and 5 are front views of the main parts of other embodiments, and Figs. 6 and 7 are Another embodiment of the present invention, FIG. 6 is a front view of the main part thereof, FIG. 7 is an enlarged sectional view of FIG.
FIG. 9 is a plan view of another embodiment, FIG. 10 is a sectional view of a conventional delivery valve device, FIGS. 11 a to d are diagrams showing valve operation, and FIG. 12 a is a front view of a conventional delivery valve. FIG. 13 is a sectional view of a main part of a conventional delivery valve device, and FIG. 14 is a flow velocity characteristic diagram thereof. 1... Valve seat, 2... Distribution hole, 3... Delivery valve, 4... Tip guide section, 5... Collar section, 6...
... Valve part, 7 ... Outer circumference, 8, 9, 10, 11, 12
... Angreichikattu club.

Claims (1)

【実用新案登録請求の範囲】 (1) 先端案内部、中央のカラー部及び逆台形の
弁部を有するデリベリバルブが弁座の流通孔に摺
動自在に設けられ、前記カラー部外周の一部に燃
料噴射を滑らかにするアングライヒカツト部が形
成された噴射ポンプデリベリバルブ装置において
、上記カラー部外周の一部に、下側から上部に向
かつて漸次拡大するカツトになつたアングライヒ
カツト部を形成したことを特徴とする噴射ポンプ
デリベリバルブ装置。 (2) 先端案内部、中央のカラー部及び逆台形の
弁部を有するデリベリバルブが弁座の流通孔に摺
動自在に設けられ、前記カラー部外周の一部に燃
料噴射を滑らかにするアングライヒカツト部が形
成された噴射ポンプデリベリバルブ装置において
、上記カラー部外周の一部に、カラー部外周に沿
つて横長の三ヶ月状のカツトになつたアングライ
ヒカツト部を形成したことを特徴とする噴射ポン
プデリベリバルブ装置。[Claims for Utility Model Registration] (1) A delivery valve having a tip guide portion, a central collar portion, and an inverted trapezoidal valve portion is slidably provided in a flow hole of a valve seat, and a portion of the outer periphery of the collar portion is provided. In an injection pump delivery valve device in which an angle cut portion is formed to smooth fuel injection, an angle cut portion that becomes a cut that gradually expands from the bottom to the top is formed on a part of the outer periphery of the collar portion. An injection pump delivery valve device characterized by: (2) A delivery valve having a tip guide portion, a central collar portion, and an inverted trapezoidal valve portion is slidably provided in the flow hole of the valve seat, and a part of the outer periphery of the collar portion is provided with an angleich that smooths fuel injection. The injection pump delivery valve device in which a cut portion is formed is characterized in that an angular cut portion that is a horizontally long crescent-shaped cut is formed on a part of the outer periphery of the collar portion along the outer periphery of the collar portion. Injection pump delivery valve device.