JPH0395998U - - Google Patents
Info
- Publication number
- JPH0395998U JPH0395998U JP1990003747U JP374790U JPH0395998U JP H0395998 U JPH0395998 U JP H0395998U JP 1990003747 U JP1990003747 U JP 1990003747U JP 374790 U JP374790 U JP 374790U JP H0395998 U JPH0395998 U JP H0395998U
- Authority
- JP
- Japan
- Prior art keywords
- flange
- stud bolt
- cap
- bolt
- protection tube
- 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.)
- Granted
Links
- 238000012856 packing Methods 0.000 claims 2
- 230000001681 protective effect Effects 0.000 claims 2
- 238000007789 sealing Methods 0.000 claims 1
- 239000000446 fuel Substances 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Gasket Seals (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Description
第１図は燃料交換中の原子炉廻りの構造を示す
縦断面図、第２図は本考案の一実施例に係る保護
装置全体を示す縦断面図、第３図は第２図のＡ−
Ａ矢視平面図、第４図は同Ｂ−Ｂ線横断面図、第
５図は同Ｃ−Ｃ線横断面図、第６図は同Ｄ部分の
拡大縦断面図、第７図Ａは同Ｅ部分の拡大縦断面
図、第７図Ｂは第７図ＡのＦ部分の拡大縦断面図
、第８図は従来のスタツドボルト防水保護装置を
示す縦断面図、第９図は第８図のＧ−Ｇ矢視平面
図、第１０図は同Ｈ−Ｈ線横断面図、第１１図は
同Ｉ−Ｉ部分の拡大縦断面図、第１２図は同Ｊ部
分の拡大縦断面図である。
２……胴体フランジ、２ａ……シート面、２ｂ
……ねじ逃げ穴、３……スタツドボルト、８……
伸び計測棒、９……保護管、１０……キヤツプ、
１１……締め付けボルト、１２……ハンドル、１
８……サポート、１６……Ｏリング、１９……取
手、１９ａ……当板、２０……フランジ、２０ａ
……鍔状部、２１……ゴムＯリング。
FIG. 1 is a vertical sectional view showing the structure around the reactor during fuel exchange, FIG. 2 is a vertical sectional view showing the entire protection device according to an embodiment of the present invention, and FIG.
4 is a cross-sectional view taken along line B-B, FIG. 5 is a cross-sectional view taken along line C-C, FIG. 6 is an enlarged longitudinal sectional view of portion D, and FIG. 7 is A. FIG. 7B is an enlarged vertical cross-sectional view of part F in FIG. 7A, FIG. 8 is a vertical cross-sectional view showing a conventional stud bolt waterproof protection device, and FIG. Fig. 10 is a cross-sectional view taken along the line H-H, Fig. 11 is an enlarged longitudinal sectional view of the I-I section, and Fig. 12 is an enlarged longitudinal sectional view of the J section. It is. 2... Fuselage flange, 2a... Seat surface, 2b
...screw escape hole, 3... stud bolt, 8...
Extension measuring rod, 9... protection tube, 10... cap,
11...Tightening bolt, 12...Handle, 1
8...Support, 16...O ring, 19...Handle, 19a...Plate, 20...Flange, 20a
...flange, 21...rubber O-ring.
Claims (1)
の外側に装着された円筒形の保護管と、この保護
管上面に設けたキヤツプと、キヤツプ中央のねじ
穴から、ボルト頂部中央のねじ穴にねじ込み、保
護管と胴体フランジ間のパツキング及びキヤツプ
上面に設けたパツキングを圧縮する締め付けボル
トとを有し、この締め付けボルトを回転させるこ
とにより、スタツドボルトの気密性を保持するよ
うにしたものにおいて、前記保護管の下面にフラ
ンジを設けると共に、該フランジが前記フランジ
と前記スタツドボルトとの間に形成されるスタツ
ドボルト用ねじ逃げ穴に挿入可能な鍔状部を有し
、前記鍔状部の外面側に弾性体からなるリングを
装着してシールするようにしたことを特徴とする
スタツドボルト防水保護装置。 (2) 前記キヤツプ及び前記フランジを略円形状
に形成し、前記保護管の側面部に取手を設けたこ
とを特徴とする請求項(1)記載のスタツドボルト
防水保護装置。[Scope of Claim for Utility Model Registration] (1) A cylindrical protection tube attached to the outside of a stud bolt embedded in the fuselage flange, a cap provided on the top surface of this protection tube, and a screw hole in the center of the cap. It has a tightening bolt that screws into the screw hole in the center of the top of the bolt and compresses the packing between the protection tube and the body flange and the packing provided on the top surface of the cap.By rotating this tightening bolt, the airtightness of the stud bolt is maintained. In the protective tube, a flange is provided on the lower surface of the protective tube, and the flange has a flange that can be inserted into a stud bolt screw escape hole formed between the flange and the stud bolt. A stud bolt waterproof protection device, characterized in that a ring made of an elastic body is attached to the outer surface of the brim portion for sealing. (2) The stud bolt waterproof protection device according to claim (1), wherein the cap and the flange are formed into a substantially circular shape, and a handle is provided on a side surface of the protection tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990003747U JP2521981Y2 (en) | 1990-01-19 | 1990-01-19 | Stud bolt waterproof protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990003747U JP2521981Y2 (en) | 1990-01-19 | 1990-01-19 | Stud bolt waterproof protector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0395998U true JPH0395998U (en) | 1991-09-30 |
| JP2521981Y2 JP2521981Y2 (en) | 1997-01-08 |
Family
ID=31507553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990003747U Expired - Fee Related JP2521981Y2 (en) | 1990-01-19 | 1990-01-19 | Stud bolt waterproof protector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2521981Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013111660A (en) * | 2011-11-25 | 2013-06-10 | Sakata Seisakusho:Kk | Rust removing polisher for bolt and reinforcement |
-
1990
- 1990-01-19 JP JP1990003747U patent/JP2521981Y2/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2013111660A (en) * | 2011-11-25 | 2013-06-10 | Sakata Seisakusho:Kk | Rust removing polisher for bolt and reinforcement |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2521981Y2 (en) | 1997-01-08 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |