JPH0158869U

JPH0158869U -

Info

Publication number: JPH0158869U
Application number: JP15411387U
Authority: JP
Priority date: 1987-10-09
Filing date: 1987-10-09
Publication date: 1989-04-13

Description

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

第１図は本考案の一実施例に係る逆止め弁内蔵
のボールバルブを逆止め弁が作動している状態で
示す断面図、第２図は逆止め弁が流体の圧力で後
退して通路を形成した状態で示す要部断面図、第
３図は第１図のＡ−Ａ線断面図、第４図は第１図
のＢ−Ｂ線断面図、第５図はボールの貫通孔端縁
とボールシートの関係を示す要部断面図である。１……弁箱、１ａ……軸装部、２……ボール、
３……逆止め弁、５……貫通孔、１８……ステム
、１９……ハンドル、２２……フラツト面、２３
……嵌合孔、２４……係合面、２５……ピン部材
、２６……突起。 Fig. 1 is a sectional view showing a ball valve with a built-in check valve according to an embodiment of the present invention in a state in which the check valve is in operation, and Fig. 2 shows a passage where the check valve is retracted by the pressure of the fluid. 3 is a sectional view taken along line A-A in FIG. 1, FIG. 4 is a sectional view taken along line B-B in FIG. 1, and FIG. 5 is a sectional view showing the end of the through-hole of the ball. FIG. 3 is a cross-sectional view of a main part showing the relationship between the edge and the ball seat. 1... Valve box, 1a... Shafting part, 2... Ball,
3... Check valve, 5... Through hole, 18... Stem, 19... Handle, 22... Flat surface, 23
... Fitting hole, 24 ... Engagement surface, 25 ... Pin member, 26 ... Protrusion.

補正昭６３．６．２０図面の簡単な説明を次のように補正する。本願明細書第１２頁第５行目に「とボールシー
トの関係を示す要部断面図である。」とある記載
を、「とボールシートの関係を示す要部断面図、
第６図は本考案の他の実施例を示す要部断面図で
ある。」に補正する。Amendment June 20, 1983 The brief description of the drawings is amended as follows. On page 12, line 5 of the specification of the present application, the statement ``It is a cross-sectional view of the main part showing the relationship between and the ball seat.'' was changed to ``A cross-sectional view of the main part showing the relationship between the ball seat and the
FIG. 6 is a sectional view of a main part showing another embodiment of the present invention. ”.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

弁箱内に回動可能に配されたボールの貫通孔内
に、逆止め弁を内蔵したボールバルブであつて、
ボールとハンドルを接続するステムの上端部に、
一のフラツト面を形成し、ハンドルのステム上端
部を嵌合する嵌合孔に、該一のフラツト面と係合
する一の係合面を形成して、該係合面とフラツト
面の係合を得て、ステムにハンドルを連結する構
成となすと共に、ステムの上部に、ピン部材を上
記ボールの貫通孔と平行する状態に横設し、弁箱
の軸装部上端面に、該ピン部材の回動位置を規制
する突起を形成したことを特徴とする逆止め弁内
蔵のボールバルブ。 A ball valve having a built-in check valve in a through hole of a ball rotatably arranged in a valve box,
At the upper end of the stem that connects the ball and handle,
One flat surface is formed, and one engagement surface that engages with the one flat surface is formed in the fitting hole into which the upper end of the stem of the handle is fitted, and the engagement surface and the flat surface are engaged. In addition, the handle is connected to the stem, and a pin member is installed horizontally on the upper part of the stem parallel to the through hole of the ball, and the pin member is attached to the upper end surface of the shaft mounting part of the valve box. A ball valve with a built-in check valve characterized by a protrusion that regulates the rotational position of a member.