JPH0547617U - Safety device for pressurized tank - Google Patents

Safety device for pressurized tank

Info

Publication number
JPH0547617U
JPH0547617U JP10824391U JP10824391U JPH0547617U JP H0547617 U JPH0547617 U JP H0547617U JP 10824391 U JP10824391 U JP 10824391U JP 10824391 U JP10824391 U JP 10824391U JP H0547617 U JPH0547617 U JP H0547617U
Authority
JP
Japan
Prior art keywords
lid
tank
tightening ring
screw rod
pressure
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
Application number
JP10824391U
Other languages
Japanese (ja)
Inventor
信昭 大峡
Original Assignee
日本建鐵株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 日本建鐵株式会社 filed Critical 日本建鐵株式会社
Priority to JP10824391U priority Critical patent/JPH0547617U/en
Publication of JPH0547617U publication Critical patent/JPH0547617U/en
Pending legal-status Critical Current

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  • Pressure Vessels And Lids Thereof (AREA)

Abstract

(57)【要約】 【目的】 内部に濾板が積層されたフィルタ−などの加
圧タンクで、締付リングを介して蓋が取付けられるもの
では減圧弁が取付けられ、減圧した状態で蓋を取外すよ
うになっているが、減圧しない状態で不用意に蓋を取外
そうとすると、蓋が吹き飛び、惨事を起す。本考案はそ
のような事態が起きるのを確実に回避し得るようにした
ものである。 【構成】 この加圧タンクの減圧弁はタンク内に連通す
る管12の上向きの開口部と該開口部にねじ係合して閉
じるねじ棒14を含み、締付リングには該ねじ棒との当
接により締付リングの回動を阻止する回り止め部材15
が固定され、ねじ棒14を取外して減圧しない限り蓋の
取外しができないようになっている。
(57) [Abstract] [Purpose] In a pressure tank such as a filter with a filter plate laminated inside, which has a lid attached via a tightening ring, a pressure reducing valve is attached and the lid is attached in a depressurized state Although it is designed to be removed, if you try to remove the lid carelessly without depressurizing it, the lid will blow off, causing a catastrophe. The present invention ensures that such a situation can be avoided. A pressure reducing valve of this pressurizing tank includes an upward opening portion of a pipe 12 communicating with the inside of the tank, and a screw rod 14 which is screwed into the opening portion and closed. The tightening ring is provided with the screw rod. Anti-rotation member 15 for preventing rotation of the tightening ring by contact
Is fixed, and the lid cannot be removed unless the screw rod 14 is removed to reduce the pressure.

Description

【考案の詳細な説明】[Detailed description of the device]

【0001】[0001]

【産業上の利用分野】[Industrial applications]

本考案は例えば内部に濾板が積層されたフィルタ−などの加圧タンクに備えら れる減圧弁からなる安全装置に関する。 The present invention relates to a safety device including a pressure reducing valve provided in a pressure tank such as a filter having a filter plate laminated inside.

【0002】[0002]

【従来の技術】[Prior Art]

従来、減圧弁を備えた加圧タンクとして例えば図3に示すものが知られている 。図3に示す加圧タンクは内部に濾板が積層され、タンク内の濾過すべき液体に 加圧して濾過するものであって、タンク本体1の上端が開口しており、そこに蓋 2が設置される。タンク内を清掃する必要があるため蓋2は取外し自在に構成さ れ、そのためタンク本体1の上端に可回動に設けられた締付リング3によって蓋 2が設置される。 Conventionally, as a pressure tank equipped with a pressure reducing valve, for example, one shown in FIG. 3 is known. The pressure tank shown in FIG. 3 has a filter plate laminated inside and pressurizes and filters the liquid to be filtered in the tank. The tank main body 1 has an open upper end, and a lid 2 is provided there. It is installed. Since it is necessary to clean the inside of the tank, the lid 2 is configured to be removable, so that the lid 2 is installed by the tightening ring 3 rotatably provided on the upper end of the tank body 1.

【0003】 締付リング3と蓋2にはそれらの周囲に適当な間隔で爪4、5が設けられ、そ れらの爪が互に係合することによって蓋2が締付けられ、また爪の係合が外れる ことによって蓋2が取外し可能になる。締付リング3を回動するためその近接位 置にハンドル6およびねじ機構7を介して進退する連接棒8が備えられ、該連接 棒の先端が締付リング3の突出部9にピンなどにより枢止され、従ってハンドル 6を回すことにより締付リング3が回動して爪の係合または取外しが行なわれる 。蓋2の取外しはその上に備えられた軸10を介し丸ハンドル11の操作によっ て行なわれる。The fastening ring 3 and the lid 2 are provided with pawls 4 and 5 around them at appropriate intervals, and the lid 2 is fastened by engaging these pawls with each other. The disengagement allows the lid 2 to be removed. In order to rotate the tightening ring 3, a connecting rod 8 that advances and retreats via a handle 6 and a screw mechanism 7 is provided in the vicinity thereof, and the tip of the connecting rod is attached to a protruding portion 9 of the tightening ring 3 by a pin or the like. It is pivotally locked, and therefore by turning the handle 6, the clamping ring 3 is pivoted to engage or disengage the pawl. The lid 2 is removed by operating the round handle 11 via the shaft 10 provided on the lid 2.

【0004】 フィルタ−の場合、加圧タンクの内部には例えばゲ−ジ圧で3気圧が負荷され るので、蓋2を開く際は内部を減圧する必要があり、そのためタンク本体1内に 連通する連通管12と該連通管の上向きの開口部を適当なパッキン13を介して 閉じるように該開口部にねじ係合するねじ棒14からなる減圧弁が設けられる。In the case of the filter, for example, a pressure of 3 atm is applied to the inside of the pressurized tank, so that it is necessary to depressurize the inside of the lid 2 when opening the lid 2. There is provided a pressure reducing valve comprising a communicating pipe 12 and a threaded rod 14 screw-engaged with the communicating pipe 12 so as to close the upward opening of the communicating pipe via a suitable packing 13.

【0005】[0005]

【考案が解決しようとする課題】 このように締付リング3を回動することによって蓋2を開閉する加圧タンクで は、連通管12の開口部からねじ棒14を外してタンク内を減圧した後にハンド ル6により締付リング3を回動する必要があり、もし不用意にタンク内が減圧さ れていない状態で締付リング3を回動して爪4、5の係合を外すと内圧により蓋 2が吹き飛び、惨事を招きかねないという問題点があった。In the pressure tank which opens and closes the lid 2 by rotating the tightening ring 3 in this way, the screw rod 14 is removed from the opening of the communication pipe 12 to reduce the pressure inside the tank. After that, it is necessary to rotate the tightening ring 3 by the handle 6, and if the inside of the tank is not depressurized carelessly, rotate the tightening ring 3 to disengage the claws 4 and 5. There was a problem that the lid 2 could be blown away by the internal pressure, which could cause a disaster.

【0006】 本考案の目的は上記従来技術の問題点を解消することであって、それ故、タン ク内を減圧しない状態で蓋を取外すのを不可能にし、蓋を取外す前に必ず減圧す る手順を踏まなければならないようにした加圧タンクの安全装置を提供すること である。An object of the present invention is to eliminate the above-mentioned problems of the prior art. Therefore, it is impossible to remove the lid without depressurizing the inside of the tank, and the depressurization must be performed before removing the lid. It is to provide a safety device for a pressurized tank that requires the steps described below.

【0007】[0007]

【課題を解決するための手段】[Means for Solving the Problems]

本考案による加圧タンクの安全装置の特徴はタンク本体の上端開口部を閉じる 蓋は締付リングによりそれらの爪同志の係合で取付けられるものにおいて、この 加圧タンクの安全装置としての減圧弁はタンク内に連通する連通管12の上向き の開口部とその開口部のねじにねじ係合して該開口部を閉じるねじ棒14を含み 、締付リングには該ねじ棒との当接により締付リングの回動を阻止する回り止め 部材15が固定されていることである。 The feature of the safety device of the pressurized tank according to the present invention is to close the upper end opening of the tank body. The lid is attached by the engagement of their claws by a tightening ring. The pressure reducing valve as the safety device of this pressurized tank. Includes an upward opening of the communication pipe 12 communicating with the inside of the tank, and a screw rod 14 that screw-engages with a screw of the opening to close the opening, and the tightening ring is abutted with the screw rod. That is, the detent member 15 for preventing the tightening ring from rotating is fixed.

【0008】[0008]

【作用】[Action]

蓋を開く際にねじ棒14を取外した後に締付リング3を回動すれば従来と同様 に問題なく開放することができるが、減圧弁のねじ棒を取外さないで締付リング を回動しようとすると回り止め部材15がねじ棒に当接し、締付リングの回動が 阻止される。従って、減圧していないことに気付き、ねじ棒を取外す手順を取ら ざるを得ないため、加圧状態で蓋を取外す事態を避けることができる。 When the lid is opened, if the screw rod 14 is removed and then the tightening ring 3 is rotated, it can be opened without any problem as in the conventional case, but the tightening ring can be rotated without removing the screw rod of the pressure reducing valve. If this is attempted, the detent member 15 will come into contact with the screw rod, and rotation of the tightening ring will be blocked. Therefore, it is necessary to take a procedure for removing the screw rod after noticing that the pressure is not reduced, and it is possible to avoid the situation where the lid is removed under pressure.

【0009】[0009]

【実施例】【Example】

次に図面を参照のもとに本考案の実施例に関し説明する。本考案が関連する加 圧タンクは図3に示すものと同様に、タンク本体1の上端開口部に可回動に締付 リング3が備えられ、蓋2は締付リング3によって取外し自在に設置される。ま た、蓋2の周囲には適当な間隔で爪4が、また締付リング3の周囲にも適当な間 隔で爪5が取付けられ、それらの爪4、5の係合または外れによって蓋2の締付 、または取外しが行なわれる。 Next, an embodiment of the present invention will be described with reference to the drawings. The pressurizing tank to which the present invention relates is similar to the pressurizing tank shown in FIG. 3, in which the upper end opening of the tank body 1 is rotatably provided with a tightening ring 3, and the lid 2 is detachably installed by the tightening ring 3. To be done. Further, claws 4 are attached around the lid 2 at appropriate intervals, and claws 5 are also attached around the tightening ring 3 at appropriate intervals, and the lids are engaged or disengaged by the claws 4 and 5. Tightening or removing is performed.

【0010】 本考案はそのような加圧タンクにおける減圧弁からなる安全装置に関し、図1 および図2に示すように、減圧弁はタンク内に連通する連通管12と、該連通管 の上向きの開口部のねじにねじ係合し、パッキンを介して該開口部を閉じるねじ 棒14を有する。このように管12およびねじ棒14を含む点では従来と同じで ある。さらに、この安全装置は締付リング3に回り止め部材15が固定され、図 示の例ではこの回り止め部材の孔16を通してねじ棒14が連通管12の開口部 にねじ込められる。従って、ねじ棒14が回り止め部材15の孔16で保持され るので締付リング3の回動が阻止される。The present invention relates to a safety device composed of a pressure reducing valve in such a pressurized tank. As shown in FIGS. 1 and 2, the pressure reducing valve has a communicating pipe 12 communicating with the inside of the tank and an upwardly facing communicating pipe. It has a threaded rod 14 which threadably engages the threads of the opening and closes the opening via packing. As described above, the structure including the pipe 12 and the threaded rod 14 is the same as the conventional one. Further, in this safety device, a detent member 15 is fixed to the tightening ring 3, and in the illustrated example, the screw rod 14 is screwed into the opening of the communicating pipe 12 through the hole 16 of the detent member. Therefore, since the screw rod 14 is held in the hole 16 of the rotation preventing member 15, the tightening ring 3 is prevented from rotating.

【0011】 図1に示すように、ねじ棒14が連通管12の開口部にねじ係合した状態を補 強するため該開口部の上に近接してタンク本体1に固定された補強板17が備え られるのが好ましく、この補強板17の孔を貫通してねじ棒14が連通管12に 取付けられる。As shown in FIG. 1, in order to reinforce the state where the screw rod 14 is screw-engaged with the opening of the communication pipe 12, a reinforcing plate 17 fixed to the tank body 1 is provided close to the opening so as to reinforce it. Is preferably provided, and the screw rod 14 is attached to the communicating pipe 12 through the hole of the reinforcing plate 17.

【0012】 なお、図示の実施例では回り止め部材15に孔16が設けられ、ねじ棒14は 該孔の内周に当接するようになっているが、該孔の代りに切欠きを設けてもよく 、またはねじ棒14を挾む二又状に突出する部分などであってもよく、従ってこ の当接部としてはねじ棒14に当接して締付リング3の回動を阻止する限り任意 の形状であってよい。In the illustrated embodiment, the rotation preventing member 15 is provided with a hole 16 so that the screw rod 14 abuts on the inner circumference of the hole. However, a cutout is provided instead of the hole. Alternatively, it may be a bifurcated portion that sandwiches the threaded rod 14 or the like. Therefore, the abutting portion of the threaded rod 14 is the one that comes into contact with the threaded rod 14 and prevents the tightening ring 3 from rotating. It may have any shape.

【0013】 この安全装置では、このようにねじ棒14が締付リング3の回り止め部材15 に当接するようになっているので、ねじ棒14を取外し、従ってタンク内の圧力 を減圧した状態でハンドル6を操作すれば、締付リング3は回動し、問題なく蓋 2を取外すことができる。しかし、もし減圧弁のねじ棒14を取外さないでハン ドル6により締付リング3を回動しようとしても、ねじ棒14は回り止め部材1 5に当って締付リングの回動は不可能である。従って、それらの爪4と5の係合 が外れず、蓋2を開くことができない。ねじ棒14を取外さないことはタンク内 を減圧しないことであり、そのためタンク内が加圧された状態のまま蓋を取外す 事態を避けることができる。In this safety device, since the screw rod 14 is brought into contact with the rotation preventing member 15 of the tightening ring 3 in this manner, the screw rod 14 is removed, and therefore the pressure in the tank is reduced. When the handle 6 is operated, the tightening ring 3 rotates, and the lid 2 can be removed without any problem. However, if the tightening ring 3 is rotated by the handle 6 without removing the threaded rod 14 of the pressure reducing valve, the threaded rod 14 hits the detent member 15 and the ring cannot be rotated. Is. Therefore, the claws 4 and 5 are not disengaged and the lid 2 cannot be opened. Not removing the screw rod 14 does not reduce the pressure inside the tank, and therefore, it is possible to avoid the situation where the lid is removed while the inside of the tank is pressurized.

【0014】[0014]

【考案の効果】[Effect of the device]

従って、本考案によれば、減圧弁のねじ棒を取外さない限り蓋の開放は不可能 になっており、該ねじ棒を取外すことによって締付リングの回動が可能になり且 つ蓋の開放が可能になるので、必ずタンク内が減圧された状態で蓋が取外され、 従ってまたタンク内が高圧の状態では蓋の開放が不可能であるため高圧状態で蓋 を開けて事故を起す事態を避けることができる。 Therefore, according to the present invention, the lid cannot be opened unless the threaded rod of the pressure reducing valve is removed, and the tightening ring can be rotated by removing the threaded rod. Since the lid can be opened, the lid must be removed while the tank is depressurized. Therefore, it is impossible to open the lid when the tank is under high pressure, which causes an accident by opening the lid under high pressure. You can avoid the situation.

【図面の簡単な説明】[Brief description of drawings]

【図1】本考案の一例による加圧タンクの安全装置を一
部断面で示す側面図である。
1 is a side view showing a partial cross-section of a safety device for a pressurized tank according to an example of the present invention.

【図2】蓋を取外した状態の要部の平面図である。FIG. 2 is a plan view of a main part with a lid removed.

【図3】従来の減圧弁からなる安全装置を備えた加圧タ
ンクを示す斜視図である。
FIG. 3 is a perspective view showing a pressure tank equipped with a safety device including a conventional pressure reducing valve.

【符号の説明】[Explanation of symbols]

1 タンク本体 2 蓋 3 締付リング 12 連通管 14 ねじ棒 15 回り止め部材 1 Tank main body 2 Lid 3 Tightening ring 12 Communication pipe 14 Screw rod 15 Anti-rotation member

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 【請求項1】 上端が開いたタンク本体の上端に可回動
に設けられた締付リングによりタンク本体上端に蓋が取
外し自在に設置され、前記締付リングと前記蓋はそれら
の周囲に適当な間隔で設けられた爪が互に係合または外
れることによって前記蓋の締付または取外しが行なわれ
る加圧タンクの減圧弁からなる安全装置において、前記
減圧弁はタンク内に連通する連通管の上向きの開口部と
前記開口部にねじ係合して閉じるねじ棒を有し、前記締
付リングには前記ねじ棒との当接により前記締付リング
の回動を阻止する回り止め部材が固定されていることを
特徴とする加圧タンクの安全装置。
1. A lid is removably installed on the upper end of the tank main body by a fastening ring rotatably provided on the upper end of the tank main body having an open upper end, and the fastening ring and the lid are suitable around them. In a safety device consisting of a pressure reducing valve of a pressure tank in which the lids are tightened or removed by engaging or disengaging claws provided at different intervals, the pressure reducing valve is a communication pipe communicating with the tank. An upward opening portion and a screw rod that is screwed into the opening portion and closed are fixed to the fastening ring, and a detent member that locks the fastening ring to prevent rotation of the fastening ring is fixed to the fastening ring. Safety device for pressurized tanks that is characterized by
JP10824391U 1991-12-03 1991-12-03 Safety device for pressurized tank Pending JPH0547617U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10824391U JPH0547617U (en) 1991-12-03 1991-12-03 Safety device for pressurized tank

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10824391U JPH0547617U (en) 1991-12-03 1991-12-03 Safety device for pressurized tank

Publications (1)

Publication Number Publication Date
JPH0547617U true JPH0547617U (en) 1993-06-25

Family

ID=14479711

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10824391U Pending JPH0547617U (en) 1991-12-03 1991-12-03 Safety device for pressurized tank

Country Status (1)

Country Link
JP (1) JPH0547617U (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5353129U (en) * 1976-10-05 1978-05-08
JPS5445525U (en) * 1977-09-06 1979-03-29
JPS558706A (en) * 1978-06-30 1980-01-22 Rando Sangyo Kk Tee batting training device
JPS5811453A (en) * 1981-07-14 1983-01-22 Konishiroku Photo Ind Co Ltd Air loop dancer
JPS58195974A (en) * 1982-05-12 1983-11-15 Hitachi Ltd Data processor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5353129U (en) * 1976-10-05 1978-05-08
JPS5445525U (en) * 1977-09-06 1979-03-29
JPS558706A (en) * 1978-06-30 1980-01-22 Rando Sangyo Kk Tee batting training device
JPS5811453A (en) * 1981-07-14 1983-01-22 Konishiroku Photo Ind Co Ltd Air loop dancer
JPS58195974A (en) * 1982-05-12 1983-11-15 Hitachi Ltd Data processor

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