JPS5973671U

JPS5973671U - ball valve

Info

Publication number: JPS5973671U
Application number: JP16916982U
Authority: JP
Inventors: 中村　信義
Original assignee: 株式会社北沢バルブ
Priority date: 1982-11-10
Filing date: 1982-11-10
Publication date: 1984-05-18
Also published as: JPH0315885Y2

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図及び第２図は従来例を示したもので、第１図は従
来のボデーとボールとの間に設けたシートリテーナめ部
分の一例を示した部分断面図、第２図は同上の部分の他
例を示した部分断面図であり、第３図〜第１３図は本考
案の実施例を示した“もので、第３図は本考案における
ボールバルブの縦断面図、第４図は第３図の一部切欠き
拡大断面図、第５図Ａは本考案における保持部材の一例
を示す部分側面図、第５図Ｂは第５図Ａのａ−ａ線断面
図、第６図Ａは保持部材の他例を示す部分側面２図、第
６図Ｂは第６図Ａのｂ−ｂ線断面図、第７図Ａは同部材
の他例を示す部分側面図、第７図Ｂは第７図Ａのｃ−ｃ
線断面図、第８図Ａは同部材の他例を示す部分側面図、
第８図Ｂは第８図Ａのｄ−ｃｌ線断面図、第９図Ａは同
部材の他例を示す部分側面図、第９図Ｂは第９図Ａのｅ
−ｅ線断面図、第１０図〜第１３図は本考案における部
材を組込んだ状態を示す部分断面図である。１１・・・ボデー、１３・・・貫通孔、１４・・・ボー
ル、　　　、１４ａ・・・ボール面、１５・・・シート
リテーナ、１６・・・段部、１７・・・ボールシート、
１８・・・段部、１９・・・空間部、２０・・・圧縮ば
ね、２１・・・保持部材。第４図第５図偵）　　　　　　（Ｂ）　　　　’ 壺（Ａ）　　　　　　　　（Ｂ）第１２図　　　　　第１３図Figures 1 and 2 show a conventional example. Figure 1 is a partial sectional view showing an example of the seat retainer fitting part provided between the conventional body and the ball, and Figure 2 is the same as above. FIGS. 3 to 13 are partial sectional views showing other examples of the parts, and FIGS. 3 to 13 show embodiments of the present invention. FIG. 5A is a partially cutaway enlarged sectional view of FIG. 3, FIG. 5A is a partial side view showing an example of the holding member of the present invention, FIG. Figure A is a partial side view 2 showing another example of the holding member, Figure 6B is a sectional view taken along line b-b of Figure 6A, Figure 7A is a partial side view showing another example of the same member, and Figure 7A is a partial side view showing another example of the holding member. Figure B is c-c of Figure 7A.
A line sectional view, FIG. 8A is a partial side view showing another example of the same member,
FIG. 8B is a sectional view taken along line d-cl in FIG. 8A, FIG. 9A is a partial side view showing another example of the same member, and FIG. 9B is e in FIG. 9A.
-e line sectional view and FIGS. 10 to 13 are partial sectional views showing a state in which the members of the present invention are assembled. DESCRIPTION OF SYMBOLS 11...Body, 13...Through hole, 14...Ball, 14a...Ball surface, 15...Seat retainer, 16...Step part, 17...Ball seat,
18... Step portion, 19... Space portion, 20... Compression spring, 21... Holding member. Figure 4 Figure 5) (B) ' Jar (A) (B) Figure 12 Figure 13

Claims

[Scope of utility model registration request]

A ball valve in which a ball having a through hole is rotatably provided in a valve body, a seat retainer is provided between the body and the ball, and a ball seat is attached to the seat retainer to make sealing contact with the ball surface. The stepped portion formed on the inner peripheral surface and the outer peripheral surface of the seat retainer! An annular space is formed with the stepped part, and an appropriate number of compression springs are installed in the space to spring the seat retainer toward the ball side, and the compression springs are installed in the space. A ball valve characterized by being held by a holding member.