JP2002336371A5 - - Google Patents

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Publication number
JP2002336371A5
JP2002336371A5 JP2001148071A JP2001148071A JP2002336371A5 JP 2002336371 A5 JP2002336371 A5 JP 2002336371A5 JP 2001148071 A JP2001148071 A JP 2001148071A JP 2001148071 A JP2001148071 A JP 2001148071A JP 2002336371 A5 JP2002336371 A5 JP 2002336371A5
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JP
Japan
Prior art keywords
heat
sensitive
cylinder
resin
sprinkler 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.)
Granted
Application number
JP2001148071A
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Japanese (ja)
Other versions
JP4263381B2 (en
JP2002336371A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2001148071A priority Critical patent/JP4263381B2/en
Priority claimed from JP2001148071A external-priority patent/JP4263381B2/en
Publication of JP2002336371A publication Critical patent/JP2002336371A/en
Publication of JP2002336371A5 publication Critical patent/JP2002336371A5/ja
Application granted granted Critical
Publication of JP4263381B2 publication Critical patent/JP4263381B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【特許請求の範囲】
【請求項1】 放水口を塞ぐ弁体と、該弁体を支持する感熱分解部とを備えたスプリンクラヘッドにおいて、
上方が開口された筒状のシリンダと、該シリンダ内に収容される樹脂製の感熱体と、該感熱体を押圧するピストン体とによって前記感熱分解部を構成し、
前記シリンダの上部に、前記ピストン体の外周面のわずかな部分としか接しないように、前記感熱体よりも融点の高い封止用の樹脂を設けて、前記シリンダの開口とピストン体との隙間を塞いだことを特徴とするスプリンクラヘッド。
【請求項2】 放水口を塞ぐ弁体と、該弁体を支持する感熱分解部とを備えたスプリンクラヘッドにおいて、
上方が開口された筒状のシリンダと、該シリンダ内に収容される樹脂製の感熱体と、該感熱体を押圧するピストン体とによって前記感熱分解部を構成し、前記シリンダの底部に、火災が発生したときに、溶融した前記感熱体が流出する孔を設け、通常時は、該孔を塞いでおくことを特徴とするスプリンクラヘッド。
【請求項3】 前記シリンダの孔を、前記感熱体よりも融点の低い樹脂で塞いだことを特徴とする請求項2記載のスプリンクラヘッド。
[Claims]
1. In a sprinkler head including a valve body that closes a water discharge port and a heat-sensitive decomposition portion that supports the valve body.
The heat-sensitive decomposition portion is composed of a tubular cylinder with an upper opening, a resin heat-sensitive body housed in the cylinder, and a piston body that presses the heat-sensitive body.
A sealing resin having a melting point higher than that of the heat-sensitive body is provided on the upper part of the cylinder so as to contact only a small part of the outer peripheral surface of the piston body, and a gap between the opening of the cylinder and the piston body is provided. sprinkler head, characterized in that the busy Ida.
2. A sprinkler head including a valve body that closes a water discharge port and a heat-sensitive decomposition unit that supports the valve body.
The heat-sensitive decomposition part is formed by a tubular cylinder with an upper opening, a resin heat-sensitive body housed in the cylinder, and a piston body that presses the heat-sensitive body, and a fire is generated at the bottom of the cylinder. A sprinkler head characterized in that a hole is provided through which the molten thermal body flows out when the above-mentioned heat is generated, and the hole is normally closed.
3. The sprinkler head according to claim 2, wherein the hole of the cylinder is closed with a resin having a melting point lower than that of the heat sensitive body.

【0016】
【課題を解決するための手段】
本発明は以上の課題を解決するためになされたもので、放水口を塞ぐ弁体と、該弁体を支持する感熱分解部とを備えたスプリンクラヘッドにおいて、上方が開口された筒状のシリンダと、該シリンダ内に収容される樹脂製の感熱体と、該感熱体を押圧するピストン体とによって前記感熱分解部を構成し、シリンダの上部に、前記ピストン体の外周面のわずかな部分としか接しないように、前記感熱体よりも融点の高い封止用の樹脂を設けて、シリンダの開口とピストン体との隙間を塞いだことを特徴とするものである。
0016.
[Means for solving problems]
The present invention has been made to solve the above problems, and is a tubular cylinder having an upper opening in a sprinkler head provided with a valve body that closes a water discharge port and a heat-sensitive decomposition portion that supports the valve body. The heat-sensitive decomposition portion is formed by the resin heat-sensitive body housed in the cylinder and the piston body that presses the heat-sensitive body, and a small portion of the outer peripheral surface of the piston body is formed on the upper part of the cylinder. It is characterized in that a sealing resin having a melting point higher than that of the heat-sensitive body is provided so as to make contact only with the cylinder, and the gap between the opening of the cylinder and the piston body is closed.

また、上方が開口された筒状のシリンダと、該シリンダ内に収容される樹脂製の感熱体と、該感熱体を押圧するピストン体とによって前記感熱分解部を構成し、シリンダの底部に、火災が発生したときに、溶融した前記感熱体が流出する孔を設け、通常時は、該孔を塞いでおくことを特徴とするものである。 Further, the heat-sensitive decomposition portion is formed by a tubular cylinder having an upper opening, a resin-made heat-sensitive body housed in the cylinder, and a piston body that presses the heat-sensitive body, and a heat-sensitive decomposition portion is formed at the bottom of the cylinder. When a fire breaks out, a hole is provided through which the molten thermal body flows out, and the hole is normally closed.

JP2001148071A 2001-05-17 2001-05-17 Sprinkler head Expired - Fee Related JP4263381B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001148071A JP4263381B2 (en) 2001-05-17 2001-05-17 Sprinkler head

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001148071A JP4263381B2 (en) 2001-05-17 2001-05-17 Sprinkler head

Publications (3)

Publication Number Publication Date
JP2002336371A JP2002336371A (en) 2002-11-26
JP2002336371A5 true JP2002336371A5 (en) 2007-05-17
JP4263381B2 JP4263381B2 (en) 2009-05-13

Family

ID=18993458

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001148071A Expired - Fee Related JP4263381B2 (en) 2001-05-17 2001-05-17 Sprinkler head

Country Status (1)

Country Link
JP (1) JP4263381B2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005230025A (en) * 2004-02-16 2005-09-02 Hochiki Corp Closed type sprinkler head
JP4511235B2 (en) * 2004-04-23 2010-07-28 ホーチキ株式会社 Closed sprinkler head
JP2007236443A (en) * 2006-03-06 2007-09-20 Nohmi Bosai Ltd Sprinkler head
JP5770686B2 (en) * 2012-07-05 2015-08-26 能美防災株式会社 Sprinkler head
JP6306900B2 (en) * 2014-03-05 2018-04-04 能美防災株式会社 Sprinkler head

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