JPS6042228Y2 - Blind plug with safety valve - Google Patents
Blind plug with safety valveInfo
- Publication number
- JPS6042228Y2 JPS6042228Y2 JP14279780U JP14279780U JPS6042228Y2 JP S6042228 Y2 JPS6042228 Y2 JP S6042228Y2 JP 14279780 U JP14279780 U JP 14279780U JP 14279780 U JP14279780 U JP 14279780U JP S6042228 Y2 JPS6042228 Y2 JP S6042228Y2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pump
- blind plug
- blind
- valve body
- 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.)
- Expired
Links
Description
【考案の詳細な説明】
この考案は安全弁として働く盲栓を提供しようとするも
のである。[Detailed description of the invention] This invention attempts to provide a blind stopper that functions as a safety valve.
従来、ポンプに安全弁を別個に取り付けると安全弁自体
がコスト高を招来していた。Conventionally, when a safety valve was separately attached to a pump, the safety valve itself resulted in high costs.
そこでこの考案ではポンプの吐出側の盲栓に安全弁とし
ての機能を持たせることにより、安価でしかもコンパク
トであって、なおかつポンプに容易に組み込むことがで
きるようにしたものである。Therefore, in this invention, the blind stopper on the discharge side of the pump has the function of a safety valve, so that it is inexpensive, compact, and can be easily incorporated into the pump.
次にこの考案を図示の実施例によって詳細に説明する。Next, this invention will be explained in detail with reference to illustrated embodiments.
第１図はこの考案を実施すべきポンプの一例としてのプ
ランジャポンプであって、ポンプ本体１内に形成したシ
リンダ状筒室２でプランジャ３が往復動するにつれ、図
示しない吸入ポートから管路４を通り吸入弁５及び吸入
口６を介してポンプ室７内に吸入した流体例えば水を吐
出口８、吐出弁９を通って管路１０から図示しない吐出
ポートへ圧送するようになっているものである。FIG. 1 shows a plunger pump as an example of a pump in which this invention is to be implemented, and as a plunger 3 reciprocates in a cylindrical chamber 2 formed in a pump body 1, a conduit 4 is connected to a suction port (not shown). Fluid, such as water, sucked into the pump chamber 7 through the suction valve 5 and the suction port 6 is forced to be sent through the discharge port 8 and the discharge valve 9 from the conduit 10 to a discharge port (not shown). It is.
この考案はこのような構成のポンプにおいて構造上の制
約によって設けられる吐出側の盲孔１１を閉塞すべき盲
栓１２に安全弁としての機能を持たせようとするもので
あり、この盲栓１２は第２図に示すように盲栓本体１３
にポンプ室７側に向って開口する通口１４を設け、その
通口１４に連ねて形成した弁室１５において弁座１６を
構威し、この弁座１６に就座すべく前記弁室１５内を摺
動する弁体１７には、盲栓本体１３の背後からねじ込ま
れる調節ねじ１８によって、設定ばね圧を可変とされる
ばね１９を負荷させるのである。This invention is intended to provide a function as a safety valve to the blind plug 12 that should close the discharge side blind hole 11 provided due to structural constraints in the pump having such a configuration. As shown in Fig. 2, the blind plug body 13
A port 14 is provided which opens toward the pump chamber 7 side, and a valve seat 16 is arranged in a valve chamber 15 formed in series with the port 14. The valve body 17 that slides therein is loaded with a spring 19 whose set spring pressure is variable by an adjusting screw 18 screwed into the blind plug body 13 from behind.
前記弁体１７には前記弁座１６への就座面の外側におい
て周囲数箇所に穴２０があけられており、これら穴２０
は弁体１７の中心孔２０′に連通し、この中心孔２０′
は弁体１７の背後において弁室１５に連通し、弁開放時
の流体の流通はそれら穴２０及び中心孔２０′を介して
行なわれる。Holes 20 are bored in several places around the valve body 17 on the outside of the seating surface for the valve seat 16, and these holes 20
communicates with the center hole 20' of the valve body 17, and this center hole 20'
communicates with the valve chamber 15 behind the valve body 17, and fluid communication occurs through these holes 20 and the center hole 20' when the valve is opened.
また前記弁室１５には弁体７の背後において外部に連通
ずる開口２１が設けられる。Further, the valve chamber 15 is provided with an opening 21 behind the valve body 7 that communicates with the outside.
上記構成の盲栓本体１３はその外周に形成したねじ部２
２を介して前記盲孔１１にねじ込まれるものとし、この
際ポンプ本体１との間にＯリング２３を介在させて封隙
を行なうものとする。The blind plug main body 13 having the above structure has a threaded portion 2 formed on its outer periphery.
2 into the blind hole 11, and at this time, an O-ring 23 is interposed between the pump body 1 and the pump body 1 to form a seal.
なお前記通口１４を包囲する環状溝２４は吐出弁９を押
圧するばね２５の受座を構成するものである。The annular groove 24 surrounding the passage 14 constitutes a seat for a spring 25 that presses the discharge valve 9.
ポンプ使用中、周辺の異常によりポンプに異常圧力がか
かったときには、ばね１９の荷重に打勝って弁体１７が
開放され、流体は穴２０、中心孔２０′、弁室１５を通
り、開口２１から外部へ逸出されてポンプ各部が異常圧
力により破損されることを阻止する。When the pump is in use and abnormal pressure is applied to the pump due to an abnormality in the surroundings, the valve element 17 is opened by overcoming the load of the spring 19, and the fluid passes through the hole 20, the center hole 20', the valve chamber 15, and the opening 21. This prevents the parts of the pump from being damaged by abnormal pressure caused by leakage to the outside.
なお流体が水その他の液体である場合は開口２１を吸水
側に連通させておくようにすることにより、水の噴出に
よって周囲を水びたしにするおそれがなくなる。In addition, when the fluid is water or other liquid, by communicating the opening 21 with the water absorption side, there is no possibility that the surrounding area will be soaked with water due to spouting of water.
第１図はこの考案を実施すべきポンプの一例を示す要部
断面図で、第２図はこの考案の盲栓の拡大断面図、第３
図は第２図の左側面図である。
なお図において、１１・・・・・・盲孔、１２・・・・
・・盲栓、１３・・・・・・盲栓本体、１４・・・・・
・通口、１５・・・・・・弁室、１６・・・・・・弁座
、１７・・・・・・弁体、１８・・・・・・調節ねじ、
１９・・・・・・ねじ、２０・・・・・・穴、２０′・
・・・・・中心孔、２１・・・・・・開口である。Fig. 1 is a cross-sectional view of the essential parts of an example of a pump to which this invention is to be implemented, Fig. 2 is an enlarged sectional view of a blind stopper of this invention, and Fig. 3 is an enlarged sectional view of a blind stopper of this invention.
The figure is a left side view of FIG. 2. In the figure, 11... blind hole, 12...
・Blind plug, 13 ・Blind plug body, 14 ・・・・・
・Port, 15... Valve chamber, 16... Valve seat, 17... Valve body, 18... Adjustment screw,
19... Screw, 20... Hole, 20'.
. . . Center hole, 21 . . . Opening.
Claims (1)
側に向って開口する通口を設け、この通口に連ねて形成
した弁室において弁座を構威し、この弁座に就座すべく
前記弁室内を摺動する弁体に、盲栓本体の背後からねじ
込まれる調節ねじによって設定ばね圧を可変とされたば
ねを負荷し、前記弁体には前記弁座への就座面の外側に
おいて周囲数箇所に穴をあけ、これら穴を弁体の背後に
おいて弁座に連通ずる弁体の中心孔に連通させ、かつ前
記弁室には弁体の背後において外部に連通ずる開口を設
けてなる安全弁付盲栓。A passage opening toward the pump chamber side is provided in the blind plug body that is to close the blind hole on the discharge side of the pump, and a valve seat is arranged in the valve chamber formed in series with this passage. A spring whose preset spring pressure is variable is applied to the valve body that slides in the valve chamber to be seated by an adjustment screw screwed from behind the blind plug main body, and the valve body is seated in the valve seat. Holes are bored at several places around the outside of the surface, these holes are connected to the center hole of the valve body which communicates with the valve seat behind the valve body, and an opening is provided in the valve chamber which communicates with the outside behind the valve body. A blind plug with a safety valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14279780U JPS6042228Y2 (en) | 1980-10-08 | 1980-10-08 | Blind plug with safety valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14279780U JPS6042228Y2 (en) | 1980-10-08 | 1980-10-08 | Blind plug with safety valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5766277U JPS5766277U (en) | 1982-04-20 |
| JPS6042228Y2 true JPS6042228Y2 (en) | 1985-12-24 |
Family
ID=29502574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14279780U Expired JPS6042228Y2 (en) | 1980-10-08 | 1980-10-08 | Blind plug with safety valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6042228Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59110884A (en) * | 1982-12-17 | 1984-06-26 | Hitachi Ltd | Scroll compressor |
| JP3474222B2 (en) * | 1993-06-21 | 2003-12-08 | 理想科学工業株式会社 | Apparatus for removing contents from container and container |
-
1980
- 1980-10-08 JP JP14279780U patent/JPS6042228Y2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5766277U (en) | 1982-04-20 |
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