JPS6155559U - - Google Patents
Info
- Publication number
- JPS6155559U JPS6155559U JP14142084U JP14142084U JPS6155559U JP S6155559 U JPS6155559 U JP S6155559U JP 14142084 U JP14142084 U JP 14142084U JP 14142084 U JP14142084 U JP 14142084U JP S6155559 U JPS6155559 U JP S6155559U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- check valve
- case
- valve body
- protrusion
- 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
- 230000035515 penetration Effects 0.000 claims 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Check Valves (AREA)
Description
第１図は本考案の一実施例に係るチエツクバル
ブの縦断側面図、第２図は同チエツクバルブにお
ける正組付時の弁体の平面図、第３図は同チエツ
クバルブにおける誤組付時の縦断側面図、第４図
は第３図における弁体の平面図、第５図は同チエ
ツクバルブ採用したピストン式バキユームポンプ
の縦断面図、第６図は同チエツクバルブを採用し
たダイアフラム式バキユームポンプの概略図、第
７図は従来のチエツクバルブの一例を示す縦断側
面図である。
符号の説明、１０…チエツクバルブ、１１…バ
ルブケース、１１ａ…大径段部、１１ｃ…開口端
縁、１２…圧縮スプリング、１３…弁体、１３ｂ
…円柱状突起部、１４…バルブシート、１４ａ…
内孔、２０…ピストン式バキユームポンプ、３０
…ダイアフラム式バキユームポンプ。
Fig. 1 is a longitudinal sectional side view of a check valve according to an embodiment of the present invention, Fig. 2 is a plan view of the valve body of the check valve when properly assembled, and Fig. 3 is a view when the check valve is incorrectly assembled. Fig. 4 is a plan view of the valve body in Fig. 3, Fig. 5 is a longitudinal sectional view of a piston vacuum pump using the same check valve, and Fig. 6 is a diaphragm type vacuum pump using the same check valve. A schematic diagram of a vacuum pump, and FIG. 7 is a longitudinal sectional side view showing an example of a conventional check valve. Explanation of symbols, 10...Check valve, 11...Valve case, 11a...Large diameter stepped portion, 11c...Opening edge, 12...Compression spring, 13...Valve body, 13b
...Cylindrical protrusion, 14...Valve seat, 14a...
Inner hole, 20... Piston type vacuum pump, 30
...Diaphragm type vacuum pump.
Claims (1)
ケース内にバネ部材を介して介装したプレート状
の弁体と、前記バルブケース内にてその段部に係
止されかつその開口端縁にてカシメ止めされ前記
弁体が前記バネ部材の付勢力にて弾撥的に密接す
るバルブシートを備え、ハウジングに組付けられ
てその内外を選択的に連通させるチエツクバルブ
において、前記弁体の一側面に前記バルブケース
の底部と干渉して前記バルブシートの前記バルブ
ケース段部への係止を阻止する突起部を設け、か
つ前記バルブシートには前記突起部が挿入可能な
凹所または貫通孔を設けたことを特徴とするチエ
ツクバルブ。 a stepped cylindrical valve case with a bottom; a plate-shaped valve body interposed within the valve case via a spring member; In the check valve, the check valve is provided with a valve seat which is caulked and the valve body is elastically brought into close contact with the valve body by the biasing force of the spring member, and which is assembled into a housing and selectively communicates between the inside and outside of the housing. A protrusion that interferes with the bottom of the valve case to prevent the valve seat from being locked to the valve case stepped portion is provided on one side, and the valve seat has a recess or a penetration into which the protrusion can be inserted. A check valve characterized by having a hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14142084U JPS6155559U (en) | 1984-09-18 | 1984-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14142084U JPS6155559U (en) | 1984-09-18 | 1984-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6155559U true JPS6155559U (en) | 1986-04-14 |
Family
ID=30699761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14142084U Pending JPS6155559U (en) | 1984-09-18 | 1984-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6155559U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0419964U (en) * | 1990-06-12 | 1992-02-19 | ||
| JP2007327358A (en) * | 2006-06-06 | 2007-12-20 | Sanden Corp | Check valve |
-
1984
- 1984-09-18 JP JP14142084U patent/JPS6155559U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0419964U (en) * | 1990-06-12 | 1992-02-19 | ||
| JP2007327358A (en) * | 2006-06-06 | 2007-12-20 | Sanden Corp | Check valve |
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