JPS6335881U - - Google Patents
Info
- Publication number
- JPS6335881U JPS6335881U JP12784686U JP12784686U JPS6335881U JP S6335881 U JPS6335881 U JP S6335881U JP 12784686 U JP12784686 U JP 12784686U JP 12784686 U JP12784686 U JP 12784686U JP S6335881 U JPS6335881 U JP S6335881U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- bonnet
- hole
- end surface
- flange
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012856 packing Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 210000004907 gland Anatomy 0.000 description 2
Landscapes
- Details Of Valves (AREA)
Description
第１図は本考案の実施例を示す縦断面図、第２
図は別の実施例を示す縦断面図、第３図は更に別
の実施例を示す縦断面図、第４図は従来例を示す
縦断面図、第５図は第４図Ａ部の拡大断面図であ
る。
１……弁体、１１……グランドパツキン、２，
３……弁箱、１２……グランドパツキン押え、６
……グランドフランジ、１３……弁棒、７……ボ
ンネツトフランジ、１４……軸穴、８……ガイド
部、１５……鍔、１０……ボンネツト、１６……
操作穴、１８……第１パツキン、２１……段部、
１９……ボンネツト下端面、２２……第２パツキ
ン。
Fig. 1 is a vertical sectional view showing an embodiment of the present invention;
The figure is a vertical cross-sectional view showing another embodiment, Figure 3 is a vertical cross-sectional view showing still another embodiment, Figure 4 is a vertical cross-sectional view showing a conventional example, and Figure 5 is an enlarged view of part A in Figure 4. FIG. 1...Valve body, 11...Gland packing, 2,
3... Valve box, 12... Grand packing presser, 6
... Gland flange, 13 ... Valve stem, 7 ... Bonnet flange, 14 ... Shaft hole, 8 ... Guide section, 15 ... Tsuba, 10 ... Bonnet, 16 ...
Operation hole, 18...first seal, 21...stepped section,
19... lower end surface of the bonnet, 22... second gasket.
Claims (1)
える弁体を弁箱内にシール機構を備えて設け、該
弁箱に有する操作穴の上端面に軸穴を有するボン
ネツトを固定し、該ボンネツトの軸穴に前記弁体
と係合する弁棒を回転自在に挿入したものにおい
て、前記弁棒には弁体の上部とボンネツト下端面
の間に前記弁箱の上面側に有する操作穴より小さ
く且つ前記ボンネツトの軸穴より大きい鍔を設け
、該鍔とボンネツト下端面との間に外周が前記弁
箱の上面側に有する操作穴に密着する第１パツキ
ンを設けたことを特徴とするボンネツトを有する
バルブ。 ２ 前記弁箱の操作穴は弁箱の上端側に前記ボン
ネツトの軸穴より大きく、弁箱の弁体側に前記弁
棒の鍔より小さい２つの穴径からなる段部を形成
して、該段部と前記ボンネツト下端面との間に前
記弁棒の鍔を介したことを特徴とする実用新案登
録請求の範囲第１項記載のバルブ。 ３ 前記操作穴に形成した段部と前記弁棒の鍔と
の間に前記弁箱の上面側に有する操作穴に密着す
る第２パツキンを設けたことを特徴とする実用新
案登録請求の範囲第１項乃至第２項記載のボンネ
ツトを有するバルブ。 ４ 前記ボンネツトの下端面は前記弁箱の上面側
に有する操作穴に挿入されている実用新案登録請
求の範囲第１項乃至第３項記載のボンネツトを有
するバルブ。[Claims for Utility Model Registration] 1. A valve body that can open and close fluid by rotating 90 degrees is provided in a valve box with a sealing mechanism, and has a shaft hole in the upper end surface of the operating hole in the valve box. A bonnet is fixed, and a valve stem that engages with the valve body is rotatably inserted into an axial hole of the bonnet, and the valve stem has an upper surface of the valve box between an upper part of the valve body and a lower end surface of the bonnet. A flange is provided that is smaller than the operating hole on the side and larger than the shaft hole of the bonnet, and a first packing is provided between the flange and the lower end surface of the bonnet, the outer periphery of which is in close contact with the operating hole on the upper surface of the valve box. A valve having a bonnet characterized by: 2. The operation hole of the valve box is formed by forming a stepped part on the upper end side of the valve box with two hole diameters larger than the shaft hole of the bonnet and smaller than the flange of the valve stem on the valve body side of the valve body. 2. The valve according to claim 1, wherein a flange of the valve stem is interposed between the lower end surface of the bonnet and the lower end surface of the bonnet. 3. Utility model registration claim 1, characterized in that a second gasket is provided between the step formed in the operation hole and the flange of the valve stem, the second gasket being in close contact with the operation hole formed on the upper surface side of the valve box. A valve having a bonnet according to items 1 and 2. 4. A valve having a bonnet according to claims 1 to 3, wherein the lower end surface of the bonnet is inserted into an operation hole provided on the upper surface side of the valve box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12784686U JPS6335881U (en) | 1986-08-22 | 1986-08-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12784686U JPS6335881U (en) | 1986-08-22 | 1986-08-22 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6335881U true JPS6335881U (en) | 1988-03-08 |
Family
ID=31022989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12784686U Pending JPS6335881U (en) | 1986-08-22 | 1986-08-22 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6335881U (en) |
-
1986
- 1986-08-22 JP JP12784686U patent/JPS6335881U/ja active Pending