JPH01136700U - - Google Patents
Info
- Publication number
- JPH01136700U JPH01136700U JP3098788U JP3098788U JPH01136700U JP H01136700 U JPH01136700 U JP H01136700U JP 3098788 U JP3098788 U JP 3098788U JP 3098788 U JP3098788 U JP 3098788U JP H01136700 U JPH01136700 U JP H01136700U
- Authority
- JP
- Japan
- Prior art keywords
- shaft
- tip
- threaded
- sealing member
- head
- 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
- 238000007789 sealing Methods 0.000 claims description 5
Description
第１図は本考案の二つの実施例を示す空気及び
ドレン抜き栓をポンプケーシングに取付けた状態
を示す要部断面図、第２図ａ，ｂ及び第３図ａ，
ｂは、本考案の異つた実施例を示す栓の正面図と
端面図、第４図はシール部材の断面図、第５図は
従来例を示す断面図である。
１……ポンプ外ケーシング、１０，２０，３０
……空気及びドレン抜き栓、１１……頭部、１２
……軸部、１３……ねじ部、１４……切欠き、１
５……非加工部、１６……シール部材、１７……
座金、２４……面取り、３４，３４ａ，３４ｂ…
…穴。
Fig. 1 is a sectional view of main parts showing two embodiments of the present invention, in which the air and drain plugs are attached to the pump casing, Fig. 2 a, b, and Fig. 3 a,
4b is a front view and an end view of a stopper showing different embodiments of the present invention, FIG. 4 is a sectional view of a sealing member, and FIG. 5 is a sectional view of a conventional example. 1... Pump outer casing, 10, 20, 30
... Air and drain plug, 11 ... Head, 12
...Shaft part, 13...Threaded part, 14...Notch, 1
5...Unprocessed part, 16...Seal member, 17...
Washer, 24... Chamfer, 34, 34a, 34b...
…hole.
Claims (1)
頭部から延びた軸部とを有し、該軸部に先端から
途中までねじ部を形成し、該ねじ部と同等の長さ
を有し且つ該ねじ部と先端部とに通じる通路を、
該軸部の先端側に設け、該軸部の頭部側のねじの
ない非加工部に弾性体のシール部材を嵌め込み、
該シール部材と頭部との間に、上記シール部材の
外周部を覆う縁を有し且つ該縁の長さを軸部の上
記非加工部と同等の長さとした座金を介在させた
ことを特徴とする空気及びドレン抜き栓。 ２ ねじ部と同等の長さの切欠きを、軸部の先端
側のねじ部に設けたことを特徴とする請求項１記
載の空気及びドレン抜き栓。 ３ ねじ部と同等の長さを有し且つ該ねじ部と先
端部とに通じる穴を、軸部の先端側に穿設したこ
とを特徴とする請求項１記載の空気及びドレン抜
き栓。[Claims for Utility Model Registration] 1. A head having a shape that can be rotated from the outside and a shaft extending from the head, with a threaded part formed partway from the tip of the shaft, A passage having the same length as the threaded part and communicating with the threaded part and the tip,
A sealing member made of an elastic body is provided on the tip side of the shaft portion, and an elastic sealing member is fitted into the non-threaded part on the head side of the shaft portion.
A washer is interposed between the sealing member and the head, and the washer has an edge that covers the outer periphery of the sealing member and has a length equal to the length of the unprocessed portion of the shaft. Features air and drain plugs. 2. The air and drain plug according to claim 1, wherein a notch having the same length as the threaded portion is provided in the threaded portion on the distal end side of the shaft portion. 3. The air and drain plug according to claim 1, characterized in that a hole having the same length as the threaded portion and communicating with the threaded portion and the tip portion is bored on the tip side of the shaft portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3098788U JPH01136700U (en) | 1988-03-10 | 1988-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3098788U JPH01136700U (en) | 1988-03-10 | 1988-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01136700U true JPH01136700U (en) | 1989-09-19 |
Family
ID=31256512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3098788U Pending JPH01136700U (en) | 1988-03-10 | 1988-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01136700U (en) |
-
1988
- 1988-03-10 JP JP3098788U patent/JPH01136700U/ja active Pending
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