JP6545504B2 - Fire extinguisher - Google Patents
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- JP6545504B2 JP6545504B2 JP2015072195A JP2015072195A JP6545504B2 JP 6545504 B2 JP6545504 B2 JP 6545504B2 JP 2015072195 A JP2015072195 A JP 2015072195A JP 2015072195 A JP2015072195 A JP 2015072195A JP 6545504 B2 JP6545504 B2 JP 6545504B2
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本発明は、消火薬剤を収容する耐圧容器内の圧力を表示するブルドン管圧力計を備えた消火器に関する。 The present invention relates to a fire extinguisher equipped with a Bourdon tube pressure gauge for displaying the pressure in a pressure resistant container containing a fire extinguishing agent.
特許文献１は、容器の内部圧力を確認することを目的として、エアゾール式消火器の容器に直接ブルドン管圧力計を取り付けたエアゾール式消火器を提案している。
特許文献２は、エアゾール缶の密封状態を維持したまま、その内部状態を確認することができる圧力計などの計器を取り付けることが可能なバルブを提案している。
特許文献２では、バルブは、環状カール部にマウンテンカップの環状凹部をかしめることにより、エアゾール缶を密封して内容物の吐出を制御する。バルブは、ステムを収納するハウジングの内部と、エアゾール缶の外部とを連通する計器用連通部を備えている。ブルドン管圧力計は、この計器用連通部に取り付けている。
Patent document 1 proposes the aerosol type fire extinguisher which attached the Bourdon pipe pressure gauge directly to the container of the aerosol type fire extinguisher for the purpose of confirming the internal pressure of a container.
Patent Document 2 proposes a valve to which an instrument such as a pressure gauge capable of confirming the internal state can be attached while maintaining the sealed state of the aerosol can.
In Patent Document 2, the valve seals the aerosol can and controls the discharge of the contents by caulking the annular recess of the mountain cup in the annular curl portion. The valve includes an instrument communication portion that communicates the inside of the housing that accommodates the stem and the outside of the aerosol can. The Bourdon tube pressure gauge is attached to this meter communication part.
しかし、特許文献１は容器に直接ブルドン管圧力計を取り付けるものであり、特許文献２はブルドン管圧力計を計器用連通部に取り付けるものである。 However, Patent Document 1 attaches the Bourdon tube pressure gauge directly to the container, and Patent Document 2 attaches the Bourdon tube pressure gauge to the meter communication part.
そこで本発明は、ブルドン管圧力計の取り付けのための取付部材を必要とせず、また耐圧容器にはブルドン管圧力計の取り付けのための孔を設ける必要がない消火器を提供することを目的とする。 Therefore, an object of the present invention is to provide a fire extinguisher that does not require a mounting member for mounting a Bourdon tube pressure gauge and does not need to provide a hole for mounting a Bourdon tube pressure gauge in a pressure container. Do.
請求項１記載の本発明の消火器は、消火薬剤を収容する耐圧容器と、前記耐圧容器の開口部を封止する封板と、前記耐圧容器内の圧力を表示するブルドン管圧力計と、前記封板を破封する針部を有するバルブとを備え、前記ブルドン管圧力計が、圧力導入孔を形成する円筒状脚部と、前記円筒状脚部に連続して形成された渦巻部と、前記渦巻部の端部に取り付けられる指針と、前記渦巻部と平行に配置して前記指針の変位を示す目盛板とで構成される消火器であって、前記円筒状脚部を、前記封板に取り付け、前記封板が、前記針部によって破封される有底筒状の破封部と、前記破封部の外周に形成される覆い部と、前記破封部の側面に形成した小孔とを有し、前記覆い部の外縁部で、前記開口部を形成する開口縁部を封止し、前記円筒状脚部の開口端部を前記小孔に挿入して、前記開口端部を前記耐圧容器内に臨ませ、前記円筒状脚部の外周と前記小孔との間を密封固定したことを特徴とする。
請求項２記載の本発明の消火器は、消火薬剤を収容する耐圧容器と、前記耐圧容器の開口部を封止する封板と、前記耐圧容器内の圧力を表示するブルドン管圧力計と、前記封板を破封する針部を有するバルブとを備え、前記ブルドン管圧力計が、圧力導入孔を形成する円筒状脚部と、前記円筒状脚部に連続して形成された渦巻部と、前記渦巻部の端部に取り付けられる指針と、前記渦巻部と平行に配置して前記指針の変位を示す目盛板とで構成される消火器であって、前記円筒状脚部を、前記封板に取り付け、前記封板が、前記針部によって破封される有底筒状の破封部と、前記破封部の外周に形成される覆い部と、前記覆い部に形成した小孔とを有し、前記覆い部の外縁部で、前記開口部を形成する開口縁部を封止し、前記円筒状脚部の開口端部を前記小孔に挿入して、前記開口端部を前記耐圧容器内に臨ませ、前記円筒状脚部の外周と前記小孔との間を密封固定し、前記バルブが、前記針部を押圧するレバーと、前記針部による前記封板の破封によって前記消火薬剤を噴出させる吐出孔と、前記封板を覆うキャップ部とを有し、前記キャップ部が、前記覆い部の前記外縁部を前記開口縁部に押圧する第１押圧部と、前記破封部の天面外縁を押圧する第２押圧部とを有し、前記封板と前記キャップ部との間には、前記第１押圧部と前記第２押圧部とで封止されたキャップ内空間を形成し、前記キャップ内空間に、前記ブルドン管圧力計を配置したことを特徴とする。
請求項３記載の本発明は、請求項２に記載の消火器において、前記破封部を、前記封板の中心から一方向にずらした位置に配置し、前記小孔を、前記封板の前記中心又は前記封板の前記中心から他方向にずらした位置に配置したことを特徴とする。
請求項４記載の本発明は、請求項１に記載の消火器において、前記破封部を、前記耐圧容器の外方に突出させ、前記渦巻部を、前記破封部の前記外周に配置したことを特徴とする。
請求項５記載の本発明は、請求項３又は請求項４に記載の消火器において、前記渦巻部及び前記目盛板を、前記開口部によって形成される仮想開口面に平行に配置したことを特徴とする。
請求項６記載の本発明は、請求項３又は請求項４に記載の消火器において、前記渦巻部及び前記目盛板を、前記開口部によって形成される仮想開口面に対して角度を持って配置したことを特徴とする。
請求項７記載の本発明は、請求項１に記載の消火器において、前記バルブが、前記針部を押圧するレバーと、前記針部による前記封板の破封によって前記消火薬剤を噴出させる吐出孔と、前記封板を覆うキャップ部とを有し、前記キャップ部が、前記覆い部の前記外縁部を前記開口縁部に押圧する第１押圧部と、前記破封部の天面外縁を押圧する第２押圧部とを有し、前記封板と前記キャップ部との間には、前記第１押圧部と前記第２押圧部とで封止されたキャップ内空間を形成し、前記キャップ内空間に、前記ブルドン管圧力計を配置したことを特徴とする。
請求項８記載の本発明は、請求項３又は請求項４に記載の消火器において、前記覆い部の前記外縁部を前記開口縁部にカシメ固定したことを特徴とする。
請求項９記載の本発明は、請求項２又は請求項７に記載の消火器において、前記キャップ部が、前記第１押圧部の外方に係止部を有し、前記耐圧容器とねじ結合される袋ナットを備え、前記袋ナットによって、前記係止部を前記耐圧容器に押圧して、前記バルブを前記耐圧容器に取り付けることを特徴とする。
請求項１０記載の本発明は、請求項２又は請求項７に記載の消火器において、前記キャップ部が、前記耐圧容器とねじ結合されるナット部を有し、前記ナット部によって、前記第１押圧部を前記開口縁部に押圧して、前記バルブを前記耐圧容器に取り付けることを特徴とする。
請求項１１記載の本発明は、請求項１から請求項１０のいずれかに記載の消火器において、前記耐圧容器がアルミ材で形成され、前記耐圧容器の内面には、アルミ防腐樹脂層を形成していることを特徴とする。
The fire extinguisher of the present invention according to claim 1 comprises a pressure resistant container for containing a fire extinguishing agent, a sealing plate for sealing the opening of the pressure resistant container, and a Bourdon tube pressure gauge for displaying the pressure in the pressure resistant container. And a valve having a needle portion for sealing the sealing plate, wherein the Bourdon tube pressure gauge includes a cylindrical leg portion forming a pressure introducing hole, and a spiral portion continuously formed on the cylindrical leg portion. A fire extinguisher comprising: a pointer attached to an end of the spiral portion; and a scale plate disposed parallel to the spiral portion to indicate displacement of the pointer, the cylindrical leg portion being a seal The seal plate is attached to a plate, and the seal plate is formed on a bottomed cylindrical tear-off portion to be sealed by the needle portion, a cover portion formed on the outer periphery of the tear-off portion, and a side surface of the tear-off portion A small hole, and the outer edge of the cover seals the open edge forming the opening, the cylindrical leg Insert the open end into the small hole, the open end is faced to the pressure vessel, characterized in that the sealed fixing between the small hole and the outer periphery of the cylindrical Joashi portion .
The fire extinguisher of the present invention according to claim 2 comprises a pressure resistant container for containing a fire extinguishing agent, a sealing plate for sealing the opening of the pressure resistant container, and a Bourdon tube pressure gauge for displaying the pressure in the pressure resistant container. And a valve having a needle portion for sealing the sealing plate, wherein the Bourdon tube pressure gauge includes a cylindrical leg portion forming a pressure introducing hole, and a spiral portion continuously formed on the cylindrical leg portion. A fire extinguisher comprising: a pointer attached to an end of the spiral portion; and a scale plate disposed parallel to the spiral portion to indicate displacement of the pointer, the cylindrical leg portion being a seal Attached to a plate, a bottomed cylindrical tear-off portion sealed by the needle portion, the seal plate, a cover portion formed on the outer periphery of the tear-off portion, and a small hole formed in the cover portion And sealing the opening edge forming the opening at the outer edge of the cover, and opening the cylindrical leg By inserting the end into the small hole, the open end is faced to the pressure vessel, sealed fixed between the outer and the pores of the cylindrical Joashi portion, the valve, the needle A lever for pressing the discharge plate, a discharge hole for discharging the extinguishing agent by the seal of the seal plate by the needle portion, and a cap portion covering the seal plate, the cap portion being the outer edge of the cover portion A first pressing portion for pressing the opening portion to the opening edge portion, and a second pressing portion for pressing the top surface outer edge of the rupture portion, the second pressing portion between the sealing plate and the cap portion; A cap inner space sealed by the first pressing portion and the second pressing portion is formed, and the Bourdon tube pressure gauge is disposed in the cap inner space .
According to a third aspect of the present invention, in the fire extinguisher according to the second aspect, the rupture portion is disposed at a position shifted in one direction from the center of the sealing plate, and the small hole is formed of the sealing plate. It arrange | positions in the position which shifted in the other direction from the said center of the said center or the said sealing plate .
The present invention 請 Motomeko 4 wherein the configuration at fire extinguisher of claim 1, said Yabufu portion, projecting outwardly of said pressure vessel, said spiral portion, the outer periphery of the Yabufu portion It is characterized by having done.
According to a fifth aspect of the present invention, in the fire extinguisher according to the third or fourth aspect , the spiral portion and the scale plate are disposed in parallel to a virtual opening surface formed by the opening. I assume.
According to a sixth aspect of the present invention, in the fire extinguisher according to the third or fourth aspect , the spiral portion and the scale plate are disposed at an angle with respect to a virtual opening surface formed by the opening portion. It is characterized by having done.
Discharging the invention of claim 7, wherein, in the fire extinguisher according to claim 1, wherein the valve is a lever that presses the needle part, for ejecting the fire extinguishing agent by Yabufu of the sealing plate by the needle unit A first pressing portion having a hole and a cap portion covering the sealing plate, the cap portion pressing the outer edge portion of the cover portion to the opening edge portion, and a top surface outer edge of the rupture portion A cap has a second pressing portion to press, and an inner cap space sealed by the first pressing portion and the second pressing portion is formed between the sealing plate and the cap portion, and the cap is formed. The Bourdon tube pressure gauge is disposed in the inner space.
According to an eighth aspect of the present invention, in the fire extinguisher according to the third or fourth aspect , the outer edge portion of the cover portion is crimped to the opening edge portion.
According to a ninth aspect of the present invention, in the fire extinguisher according to the second aspect or the seventh aspect , the cap portion has a locking portion outside the first pressing portion, and the screw connection with the pressure resistant container The lock portion is pressed against the pressure container by the nut, and the valve is attached to the pressure container.
According to a tenth aspect of the present invention, in the fire extinguisher according to the second or seventh aspect , the cap portion has a nut portion screwed to the pressure container, and the first portion is formed by the nut portion. The pressure unit may be pressed against the opening edge to attach the valve to the pressure container.
According to an eleventh aspect of the present invention, in the fire extinguisher according to any one of the first to tenth aspects, the pressure container is formed of an aluminum material, and an inner surface of the pressure container is formed with an aluminum preservative resin layer. It is characterized by
本発明の消火器によれば、ブルドン管圧力計の取り付けのための取付部材を必要とせず、また耐圧容器にはブルドン管圧力計の取り付けのための孔を設ける必要がない。 According to the fire extinguisher of the present invention, there is no need for a mounting member for mounting the Bourdon tube pressure gauge, and there is no need to provide a hole for mounting the Bourdon tube pressure gauge in the pressure container.
本発明の第１の実施の形態による消火器は、円筒状脚部を、封板に取り付け、封板が、針部によって破封される有底筒状の破封部と、破封部の外周に形成される覆い部と、破封部の側面に形成した小孔とを有し、覆い部の外縁部で、開口部を形成する開口縁部を封止し、円筒状脚部の開口端部を小孔に挿入して、開口端部を耐圧容器内に臨ませ、円筒状脚部の外周と小孔との間を密封固定したものである。本実施の形態によれば、渦巻部に連続して形成されている円筒状脚部を、耐圧容器の開口部を封止する封板に直接取り付けることで、ブルドン管圧力計の取り付けのための取付部材を必要とせず、また耐圧容器には、ブルドン管圧力計の取り付けのための孔を設ける必要がない。また、破封部の側面に形成した小孔をブルドン管圧力計の圧力導入用孔として用いることができ、ブルドン管圧力計の取り付けに伴う気密性は、円筒状脚部の外周と小孔との間でのみ行えばよい。 In the fire extinguisher according to the first embodiment of the present invention, a cylindrical leg portion is attached to a sealing plate, and a bottomed cylindrical tearing portion where the sealing plate is teared by a needle portion; It has a cover formed on the outer periphery and a small hole formed on the side of the seal, and the outer edge of the cover seals the opening edge forming the opening, and the cylindrical leg is opened The end is inserted into the small hole, the open end is exposed in the pressure-resistant container, and the outer periphery of the cylindrical leg and the small hole are sealed and fixed . According to the present embodiment, the cylindrical leg continuously formed in the spiral portion is directly attached to the sealing plate for sealing the opening of the pressure-resistant container, thereby allowing the pressure gauge to be attached to the Bourdon tube. There is no need for a mounting member, and the pressure vessel does not have to be provided with a hole for mounting a Bourdon tube pressure gauge. Further, the small hole formed on the side surface of the ruptured portion can be used as a pressure introducing hole of the Bourdon tube pressure gauge, and the airtightness accompanying the installation of the Bourdon tube pressure gauge is the outer periphery of the cylindrical leg, the small hole and the like. It only needs to be done between
本発明の第２の実施の形態による消火器は、円筒状脚部を、封板に取り付け、封板が、針部によって破封される有底筒状の破封部と、破封部の外周に形成される覆い部と、覆い部に形成した小孔とを有し、覆い部の外縁部で、開口部を形成する開口縁部を封止し、円筒状脚部の開口端部を小孔に挿入して、開口端部を耐圧容器内に臨ませ、円筒状脚部の外周と小孔との間を密封固定し、バルブが、針部を押圧するレバーと、針部による封板の破封によって消火薬剤を噴出させる吐出孔と、封板を覆うキャップ部とを有し、キャップ部が、覆い部の外縁部を開口縁部に押圧する第１押圧部と、破封部の天面外縁を押圧する第２押圧部とを有し、封板とキャップ部との間には、第１押圧部と第２押圧部とで封止されたキャップ内空間を形成し、キャップ内空間に、ブルドン管圧力計を配置したものである。本実施の形態によれば、覆い部に形成した小孔をブルドン管圧力計の圧力導入用孔として用いることができ、ブルドン管圧力計の取り付けに伴う気密性は、円筒状脚部の外周と小孔との間でのみ行えばよい。また、ブルドン管圧力計をキャップ内空間に配置することで、ブルドン管圧力計を保護することができる。 In the fire extinguisher according to the second embodiment of the present invention, the cylindrical leg portion is attached to the sealing plate, and the sealing plate is a bottomed cylindrical tearing-off portion where the sealing portion is teared by a needle portion; The cover has a cover formed on the outer periphery, and a small hole formed in the cover, and the outer edge of the cover seals the open edge forming the opening, and the open end of the cylindrical leg Inserted in the small hole, the open end faces inside the pressure-resistant container, and the space between the outer periphery of the cylindrical leg and the small hole is sealed and fixed, and the valve seals the needle by the lever and the needle A first pressing portion having a discharge hole for spouting a fire extinguishing agent by tearing the plate and a cap portion covering the sealing plate, the cap portion pressing the outer edge portion of the covering portion against the opening edge, and the tearing portion And an inner space of the cap sealed by the first pressing portion and the second pressing portion between the sealing plate and the cap portion. In-up space, it is obtained by placing a Bourdon tube pressure gauge. According to the present embodiment, the small hole formed in the cover portion can be used as a pressure introducing hole of the Bourdon tube pressure gauge, and the airtightness accompanying the installation of the Bourdon tube pressure gauge is the outer periphery of the cylindrical leg and It may be performed only between the small holes. Further, the Bourdon tube pressure gauge can be protected by arranging the Bourdon tube pressure gauge in the space in the cap.
本発明の第３の実施の形態は、第２の実施の形態による消火器において、破封部を、封板の中心から一方向にずらした位置に配置し、小孔を、封板の中心又は前記封板の中心から他方向にずらした位置に配置したものである。本実施の形態によれば、破封部を封板の中心から一方向にずらすことで、ブルドン管圧力計を配置できるスペースを確保することができる。 A third embodiment of the present invention relates to the fire extinguisher according to the second embodiment, wherein the seal portion is disposed at a position shifted in one direction from the center of the seal plate, and the small hole is the center of the seal plate. Or it arrange | positions in the position shifted to the other direction from the center of the said sealing board. According to the present embodiment, it is possible to secure a space in which the Bourdon tube pressure gauge can be disposed by shifting the seal portion in one direction from the center of the sealing plate .
本発明の第４の実施の形態は、第１の実施の形態による消火器であって、破封部を、耐圧容器の外方に突出させ、渦巻部を、破封部の外周に配置したものである。本実施の形態によれば、ブルドン管圧力計を破封部の外周にできるスペースに配置することができる。 The fourth embodiment of the present invention is a fire extinguisher according to the first embodiment, wherein the seal portion is made to project outward of the pressure container, and the spiral portion is disposed on the outer periphery of the seal portion. It is a thing. According to the present embodiment, the Bourdon tube pressure gauge can be disposed in a space which can be formed on the outer periphery of the seal portion.
本発明の第５の実施の形態は、第３又は第４の実施の形態による消火器であって、渦巻部及び目盛板を、開口部によって形成される仮想開口面に平行に配置したものである。本実施の形態によれば、開口部からの高さ寸法を小さくしてブルドン管圧力計を配置することができる。 A fifth embodiment of the present invention is the fire extinguisher according to the third or fourth embodiment, wherein the spiral part and the scale plate are disposed in parallel to the virtual opening surface formed by the opening. is there. According to the present embodiment, the height dimension from the opening can be reduced to arrange the Bourdon tube pressure gauge.
本発明の第６の実施の形態は、第３又は第４の実施の形態による消火器であって、渦巻部及び目盛板を、開口部によって形成される仮想開口面に対して角度を持って配置したものである。本実施の形態によれば、開口部の面積が小さくても、ブルドン管圧力計を配置できるとともに、目盛板を目視しやすい方向にブルドン管圧力計を配置することができる。 The sixth embodiment of the present invention is the fire extinguisher according to the third or fourth embodiment, wherein the spiral part and the scale plate are at an angle to the virtual opening surface formed by the opening. It is arranged. According to the present embodiment, even if the area of the opening is small, the Bourdon tube pressure gauge can be arranged, and the Bourdon tube pressure gauge can be arranged in the direction in which the scale plate can be easily viewed.
本発明の第７の実施の形態は、第１の実施の形態による消火器であって、バルブが、針部を押圧するレバーと、針部による封板の破封によって消火薬剤を噴出させる吐出孔と、封板を覆うキャップ部とを有し、キャップ部が、覆い部の外縁部を開口縁部に押圧する第１押圧部と、破封部の天面外縁を押圧する第２押圧部とを有し、封板とキャップ部との間には、第１押圧部と第２押圧部とで封止されたキャップ内空間を形成し、キャップ内空間に、ブルドン管圧力計を配置したものである。本実施の形態によれば、ブルドン管圧力計をキャップ内空間に配置することで、ブルドン管圧力計を保護することができる。 A seventh embodiment of the present invention is the fire extinguisher according to the first embodiment, wherein the valve discharges the fire extinguishing agent by bursting the seal plate by the lever for pressing the needle portion and the needle portion. A first pressing portion having a hole and a cap portion covering the sealing plate, the cap portion pressing the outer edge portion of the covering portion to the opening edge portion, and a second pressing portion pressing the top surface outer edge of the rupture portion A cap inner space sealed by the first pressing portion and the second pressing portion between the sealing plate and the cap portion, and a Bourdon tube pressure gauge is disposed in the cap inner space It is a thing. According to the present embodiment, the Bourdon tube pressure gauge can be protected by arranging the Bourdon tube pressure gauge in the space in the cap.
本発明の第８の実施の形態は、第３又は第４の実施の形態による消火器であって、覆い部の外縁部を開口縁部にカシメ固定したものである。本実施の形態によれば、封板の開口縁部へのカシメ固定によってブルドン管圧力計を取り付けることができる。 The eighth embodiment of the present invention is the fire extinguisher according to the third or fourth embodiment, wherein the outer edge of the cover is crimped to the opening edge. According to this embodiment, the Bourdon tube pressure gauge can be attached by caulking to the opening edge of the sealing plate.
本発明の第９の実施の形態は、第２又は第７の実施の形態による消火器であって、キャップ部が、第１押圧部の外方に係止部を有し、耐圧容器とねじ結合される袋ナットを備え、袋ナットによって、係止部を耐圧容器に押圧して、バルブを耐圧容器に取り付けるものである。本実施の形態によれば、キャップ部の耐圧容器へのねじ結合によってブルドン管圧力計を取り付けることができる。 The ninth embodiment of the present invention is the fire extinguisher according to the second or seventh embodiment, wherein the cap portion has a locking portion outside the first pressing portion, and the pressure container and the screw are provided. There is provided a cap nut to be coupled, and the cap nut is used to press the locking portion against the pressure resistant container to attach the valve to the pressure resistant container. According to the present embodiment, the Bourdon tube pressure gauge can be attached by screwing the cap portion to the pressure resistant container.
本発明の第１０の実施の形態は、第２又は第７の実施の形態による消火器であって、キャップ部が、耐圧容器とねじ結合されるナット部を有し、ナット部によって、第１押圧部を開口縁部に押圧して、バルブを耐圧容器に取り付けるものである。本実施の形態によれば、キャップ部の耐圧容器へのねじ結合によってブルドン管圧力計を取り付けることができる。 The tenth embodiment of the present invention is the fire extinguisher according to the second or seventh embodiment, wherein the cap portion has a nut portion screwed to the pressure resistant container, and the first portion is formed by the nut portion. The pressing portion is pressed against the opening edge to attach the valve to the pressure resistant container. According to the present embodiment, the Bourdon tube pressure gauge can be attached by screwing the cap portion to the pressure resistant container.
本発明の第１１の実施の形態は、第１から第１０のいずれかの実施の形態による消火器であって、耐圧容器がアルミ材で形成され、耐圧容器の内面には、アルミ防腐樹脂層を形成しているものである。本実施の形態によれば、耐圧容器には、ブルドン管圧力計の取り付けのための孔を設ける必要がないため、アルミ防腐樹脂層を傷つけることがなく、アルミ材が液体薬剤と化学反応を生じることがない。 The eleventh embodiment of the present invention is the fire extinguisher according to any one of the first to tenth embodiments, wherein the pressure-resistant container is formed of an aluminum material, and the inner surface of the pressure-resistant container is an aluminum preservative resin layer. Form the According to the present embodiment, it is not necessary to provide a hole for mounting a Bourdon tube pressure gauge in the pressure container, so the aluminum material does not damage the aluminum preservative resin layer, and the aluminum material causes a chemical reaction with the liquid drug. I have not.
以下本発明の一実施例による消火器について説明する。
図１は本発明の第１の実施例による消火器の要部断面図、図２は図１の要部拡大図、図３は同消火器のブルドン管圧力計を示す要部斜視図、図４は同ブルドン管圧力計を示す一部を断面とした要部斜視図である。
Hereinafter, a fire extinguisher according to an embodiment of the present invention will be described.
1 is a cross-sectional view of an essential part of a fire extinguisher according to a first embodiment of the present invention, FIG. 2 is an enlarged view of an essential part of FIG. 1, and FIG. 3 is a perspective view of an essential part showing a Bourdon tube pressure gauge of the same fire extinguisher. 4 is the principal part perspective view which made the one part the cross section which shows the same Bourdon pipe pressure gauge.
本実施例による消火器は、消火薬剤を収容する耐圧容器１０と、耐圧容器１０の開口部１１を封止する封板２０と、耐圧容器１０内の圧力を表示するブルドン管圧力計３０と、封板２０を破封する針部４１を有するバルブ４０とを備えている。
耐圧容器１０の開口部１１は開口縁部１２で形成され、開口縁部１２は、端部が外方となるようにカーリングされている。耐圧容器１０は、アルミ材で形成され、耐圧容器１０の内面には、アルミ防腐樹脂層１３を形成している。アルミ防腐樹脂層１３は樹脂成形により形成するが、塗装により形成してもよい。耐圧容器１０の内部には、粉末薬剤又は液体薬剤が封入されている。また、耐圧容器１０の内部には、薬剤を吸い出すための吐き出し管１４を有している。
封板２０は、針部４１によって破封される有底筒状の破封部２１と、破封部２１の外周に形成される覆い部２２と、破封部２１の側面に形成した小孔２３とを有する。破封部２１は、耐圧容器１０の外方に突出させている。
ブルドン管圧力計３０は、圧力導入孔を形成する円筒状脚部３１と、円筒状脚部３１に連続して形成された渦巻部３２と、渦巻部３２の端部に取り付けられる指針３３と、渦巻部３２と平行に配置して指針３３の変位を示す目盛板３４とで構成される。渦巻部３２及び目盛板３４は、破封部２１の外周に配置している。渦巻部３２及び目盛板３４は、開口部１１によって形成される仮想開口面に平行に配置している。
円筒状脚部３１は、開口端部３１ａを小孔２３に挿入し、開口端部３１ａを耐圧容器１０内に臨ませている。円筒状脚部３１の外周と小孔２３との間は、溶接や接着剤によって密封固定する。
バルブ４０は、針部４１を押圧するレバー４２と、針部４１による封板２０の破封によって消火薬剤を噴出させる吐出孔４３と、封板２０を覆うキャップ部４４とを有している。
The fire extinguisher according to the present embodiment includes a pressure resistant container 10 for containing a fire extinguishing agent, a sealing plate 20 for sealing the opening 11 of the pressure resistant container 10, and a Bourdon tube pressure gauge 30 for displaying the pressure in the pressure resistant container 10. And a valve 40 having a needle portion 41 for breaking the sealing plate 20.
The opening 11 of the pressure vessel 10 is formed by an opening edge 12 which is curled so that the end is outward. The pressure-resistant container 10 is formed of an aluminum material, and an aluminum preservative resin layer 13 is formed on the inner surface of the pressure-resistant container 10. The aluminum preservative resin layer 13 is formed by resin molding, but may be formed by painting. Powdered drug or liquid drug is enclosed in the inside of the pressure container 10. In addition, inside the pressure-resistant container 10, there is provided a discharge pipe 14 for sucking out the drug.
The sealing plate 20 has a bottomed cylindrical tearing-off portion 21 torn by the needle portion 41, a covering portion 22 formed on the outer periphery of the tearing-off portion 21, and small holes formed on the side surface of the tearing-off portion 21. And 23. The seal portion 21 protrudes outward of the pressure-resistant container 10.
The Bourdon tube pressure gauge 30 includes a cylindrical leg 31 forming a pressure introducing hole, a spiral portion 32 continuously formed on the cylindrical leg 31, and a pointer 33 attached to an end of the spiral portion 32; A scale plate 34 is disposed in parallel with the spiral portion 32 and indicates the displacement of the pointer 33. The spiral portion 32 and the scale plate 34 are disposed on the outer periphery of the seal portion 21. The spiral portion 32 and the scale plate 34 are disposed in parallel to the virtual opening surface formed by the opening 11.
The cylindrical leg 31 has the open end 31 a inserted into the small hole 23 so that the open end 31 a is exposed in the pressure-resistant container 10. The outer periphery of the cylindrical leg 31 and the small hole 23 are sealed and fixed by welding or an adhesive.
The valve 40 has a lever 42 for pressing the needle portion 41, a discharge hole 43 for ejecting a extinguishing agent by tearing off the sealing plate 20 by the needle portion 41, and a cap portion 44 covering the sealing plate 20.
キャップ部４４は、覆い部２２の外縁部２２ａを開口縁部１２に押圧する第１押圧部４４ａと、破封部２１の天面外縁２１ａを押圧する第２押圧部４４ｂとを有している。封板２０とキャップ部４４との間には、第１押圧部４４ａと第２押圧部４４ｂとで封止されたキャップ内空間４４ｃが形成される。第１押圧部４４ａ及び第２押圧部４４ｂは、段部で形成され、この段部にＯリング５１、５２が配置される。Ｏリング５１は、第１押圧部４４ａと外縁部２２ａとの間に配置され、Ｏリング５２は、第２押圧部４４ｂと天面外縁２１ａとの間に配置される。
ブルドン管圧力計３０はキャップ内空間４４ｃに配置される。バルブ４０は樹脂によって成形され、バルブ４０の外方からブルドン管圧力計３０を視認できるように、少なくともキャップ部４４の一部は透明性を有している。
開口部１１は、覆い部２２の外縁部２２ａを開口縁部１２にカシメ固定することで封止される。なお、外縁部２２ａにはリング状突起２２ｂが形成されている。リング状突起２２ｂは、カシメ固定の際に、開口縁部１２に押し付けられて気密性を高めている。
The cap portion 44 has a first pressing portion 44a for pressing the outer edge portion 22a of the cover portion 22 to the opening edge portion 12, and a second pressing portion 44b for pressing the top surface outer edge 21a of the seal portion 21. . Between the sealing plate 20 and the cap portion 44, an in-cap space 44c sealed by the first pressing portion 44a and the second pressing portion 44b is formed. The first pressing portion 44 a and the second pressing portion 44 b are formed by steps, and the O-rings 51 and 52 are disposed in the steps. The O-ring 51 is disposed between the first pressing portion 44a and the outer edge 22a, and the O-ring 52 is disposed between the second pressing portion 44b and the top outer edge 21a.
The Bourdon tube pressure gauge 30 is disposed in the in-cap space 44c. The valve 40 is made of resin, and at least a part of the cap portion 44 has transparency so that the Bourdon tube pressure gauge 30 can be viewed from the outside of the valve 40.
The opening 11 is sealed by caulking the outer edge 22 a of the cover 22 to the opening edge 12. In addition, the ring-shaped protrusion 22b is formed in the outer edge part 22a. The ring-like protrusion 22 b is pressed against the opening edge 12 at the time of caulking and fixing to improve the airtightness.
本実施例によれば、渦巻部３２に連続して形成されている円筒状脚部３１を、耐圧容器１０の開口部１１を封止する封板２０に直接取り付けることで、ブルドン管圧力計３０の取り付けのための取付部材を必要とせず、また耐圧容器１０には、ブルドン管圧力計３０の取り付けのための孔を設ける必要がない。
また本実施例によれば、破封部２１の側面に形成した小孔２３をブルドン管圧力計３０の圧力導入用孔として用いることができ、ブルドン管圧力計３０の取り付けに伴う気密性は、円筒状脚部３１の外周と小孔２３との間でのみ行えばよい。
また本実施例によれば、ブルドン管圧力計３０を破封部２１の外周にできるスペースに配置することができる。
また本実施例によれば、開口部１１からの高さ寸法を小さくしてブルドン管圧力計３０を配置することができる。
また本実施例によれば、ブルドン管圧力計３０をキャップ内空間４４ｃに配置することで、ブルドン管圧力計３０を保護することができる。
また本実施例によれば、封板２０の開口縁部１２へのカシメ固定によってブルドン管圧力計３０を取り付けることができる。
また本実施例によれば、耐圧容器１０には、ブルドン管圧力計３０の取り付けのための孔を設ける必要がないため、アルミ防腐樹脂層１３を傷つけることがなく、アルミ材が液体薬剤と化学反応を生じることがない。
According to the present embodiment, the cylindrical leg portion 31 formed continuously to the spiral portion 32 is directly attached to the sealing plate 20 which seals the opening portion 11 of the pressure-resistant container 10, whereby a pressure gauge 30 for a Bourdon tube is obtained. The pressure vessel 10 does not need to be provided with a hole for mounting the Bourdon tube pressure gauge 30.
Further, according to the present embodiment, the small hole 23 formed on the side surface of the seal portion 21 can be used as a pressure introducing hole of the Bourdon tube pressure gauge 30, and the airtightness accompanying the installation of the Bourdon tube pressure gauge 30 is It may be performed only between the outer periphery of the cylindrical leg 31 and the small hole 23.
Further, according to the present embodiment, the Bourdon tube pressure gauge 30 can be disposed in a space which can be formed on the outer periphery of the seal portion 21.
Moreover, according to the present embodiment, the height dimension from the opening 11 can be reduced and the Bourdon tube pressure gauge 30 can be disposed.
Further, according to the present embodiment, the Bourdon tube pressure gauge 30 can be protected by arranging the Bourdon tube pressure gauge 30 in the space 44c in the cap.
Further, according to the present embodiment, the Bourdon tube pressure gauge 30 can be attached by caulking to the opening edge 12 of the sealing plate 20.
Further, according to the present embodiment, it is not necessary to provide a hole for attaching the Bourdon tube pressure gauge 30 to the pressure-resistant container 10, so the aluminum preservative resin layer 13 is not damaged, and the aluminum material is a liquid chemical and a chemical There is no reaction.
図５は本発明の第２の実施例による消火器の要部断面図、図６は同消火器の一部を断面とした要部正面図である。なお、第１の実施例と同一部材には同一符号を付して説明を省略する。
第２の実施例による消火器は、第１の実施例によるカシメ固定に代えて、袋ナット６０を用いてバルブ４０を耐圧容器１０に取り付けるものである。
本実施例では、キャップ部４４は、第１押圧部４４ａの外方に係止部４４ｄを有している。また、本実施例では、耐圧容器１０の開口部１１近傍の外周面とねじ結合される袋ナット６０を備えている。
そして、袋ナット６０によって、係止部４４ｄを耐圧容器１０に押圧して、バルブ４０を耐圧容器１０に取り付ける。
本実施例によれば、キャップ部４４の耐圧容器１０へのねじ結合によってブルドン管圧力計３０を取り付けることができる。
なお、本実施例では、キャップ部４４の側部及び上部の一部に透明ゲージカバー４５を設けている。第１の実施例で説明したように、少なくともキャップ部４４の一部に透明性を持たせる構成の一つとして、キャップ部４４の一部に透明ゲージカバー４５を設けてもよい。
FIG. 5 is a cross-sectional view of an essential part of a fire extinguisher according to a second embodiment of the present invention, and FIG. The same members as those of the first embodiment are designated by the same reference numerals, and the description thereof is omitted.
In the fire extinguisher according to the second embodiment, a valve nut 60 is used to attach the valve 40 to the pressure container 10 instead of the caulking fixing according to the first embodiment.
In the present embodiment, the cap portion 44 has a locking portion 44d on the outside of the first pressing portion 44a. Further, in the present embodiment, a cap nut 60 screwed to the outer peripheral surface of the pressure resistant container 10 in the vicinity of the opening 11 is provided.
Then, the locking portion 44 d is pressed against the pressure resistant container 10 by the cap nut 60, and the valve 40 is attached to the pressure resistant container 10.
According to the present embodiment, the Bourdon tube pressure gauge 30 can be attached by screwing the cap portion 44 to the pressure-resistant container 10.
In the present embodiment, the transparent gauge cover 45 is provided on part of the side portion and the upper portion of the cap portion 44. As described in the first embodiment, the transparent gauge cover 45 may be provided on a part of the cap part 44 as one of the configurations for giving transparency to at least a part of the cap part 44.
図７は本発明の第３の実施例による消火器の要部断面図である。なお、上記各実施例と同一部材には同一符号を付して説明を省略する。
第３の実施例による消火器は、第１の実施例によるカシメ固定に代えて、ナット部７０を用いてバルブ４０を耐圧容器１０に取り付けるものである。
本実施例では、キャップ部４４は、耐圧容器１０とねじ結合されるナット部７０を有し、ナット部７０によって、第１押圧部４４ａを開口縁部１２に押圧して、バルブ４０を耐圧容器１０に取り付ける。
バルブ４０は樹脂成形されているため、ナット部７０は金属インサート成型によってねじ加工されている。
本実施の形態によれば、キャップ部４４の耐圧容器１０へのねじ結合によってブルドン管圧力計３０を取り付けることができる。
FIG. 7 is a sectional view of an essential part of a fire extinguisher according to a third embodiment of the present invention. The same members as those in the above-described embodiments are indicated by the same reference numerals and the description thereof will be omitted.
In the fire extinguisher according to the third embodiment, the valve 40 is attached to the pressure container 10 using a nut portion 70 instead of the caulking fixing according to the first embodiment.
In the present embodiment, the cap portion 44 has a nut portion 70 screwed to the pressure-resistant container 10, and the first pressing portion 44a is pressed against the opening edge 12 by the nut portion 70 to make the valve 40 pressure-resistant container Attach to 10
Since the valve 40 is resin-molded, the nut portion 70 is screwed by metal insert molding.
According to the present embodiment, the Bourdon tube pressure gauge 30 can be attached by screwing the cap portion 44 to the pressure-resistant container 10.
図８は本発明の第４の実施例による消火器の一部を断面とした要部正面図、図９は本発明の第５の実施例による消火器の一部を断面とした要部正面図である。なお、上記各実施例と同一部材には同一符号を付して説明を省略する。
第４及び第５の実施例による消火器は、ブルドン管圧力計３０の取り付け位置を上記各実施例と異ならせている。
第４及び第５の実施例による封板２０は、破封部２１と、覆い部２２と、覆い部２２に形成した小孔２４とを有している。すなわち、第１から第３の実施例による封板２０は、小孔２３を破封部２１の側面に形成しているが、第４及び第５の実施例による封板２０は、小孔２４を覆い部２２に形成している。
また第４及び第５の実施例による封板２０は、破封部２１を、封板２０の中心から一方向にずらした位置に配置し、小孔２４を、封板２０の中心又は封板２０の中心から他方向にずらした位置に配置している。
円筒状脚部３１は、開口端部３１ａを小孔２４に挿入し、開口端部３１ａを耐圧容器１０内に臨ませている。円筒状脚部３１の外周と小孔２３との間は、溶接や接着剤によって密封固定する。
第４及び第５の実施例によれば、覆い部２２に形成した小孔２４をブルドン管圧力計３０の圧力導入用孔として用いることができ、ブルドン管圧力計３０の取り付けに伴う気密性は、円筒状脚部３１の外周と小孔２４との間でのみ行えばよい。
また第４及び第５の実施例によれば、破封部２１を封板２０の中心から一方向にずらすことで、ブルドン管圧力計３０を配置できるスペースを確保することができる。
FIG. 8 is a front view of an essential part of a cross section of a fire extinguisher according to a fourth embodiment of the present invention, and FIG. 9 is a front view of an essential part of the fire extinguisher according to the fifth embodiment of the present invention. FIG. The same members as those in the above-described embodiments are indicated by the same reference numerals and the description thereof will be omitted.
In the fire extinguisher according to the fourth and fifth embodiments, the mounting position of the Bourdon tube pressure gauge 30 is different from that of each of the above embodiments.
The sealing plate 20 according to the fourth and fifth embodiments has a seal 21, a cover 22 and small holes 24 formed in the cover 22. That is, although the sealing plate 20 according to the first to third embodiments has the small hole 23 formed on the side surface of the seal portion 21, the sealing plate 20 according to the fourth and fifth embodiments has the small hole 24. Is formed in the cover 22.
In the sealing plate 20 according to the fourth and fifth embodiments, the seal portion 21 is disposed at a position shifted in one direction from the center of the sealing plate 20, and the small hole 24 is the center of the sealing plate 20 or the sealing plate It is arranged at a position shifted from the center of 20 in the other direction.
The cylindrical leg portion 31 has the open end 31 a inserted into the small hole 24 so that the open end 31 a is exposed in the pressure resistant container 10. The outer periphery of the cylindrical leg 31 and the small hole 23 are sealed and fixed by welding or an adhesive.
According to the fourth and fifth embodiments, the small hole 24 formed in the cover 22 can be used as a pressure introducing hole of the Bourdon tube pressure gauge 30, and the airtightness accompanying the installation of the Bourdon tube pressure gauge 30 is , And may be performed only between the outer periphery of the cylindrical leg 31 and the small hole 24.
Further, according to the fourth and fifth embodiments, by shifting the seal portion 21 in one direction from the center of the sealing plate 20, a space in which the Bourdon tube pressure gauge 30 can be disposed can be secured.
図１０は本発明の第６の実施例による消火器の一部を断面とした要部正面図、図１１は本発明の第７の実施例による消火器の一部を断面とした要部正面図である。なお、上記各実施例と同一部材には同一符号を付して説明を省略する。
第１から第５の実施例によるブルドン管圧力計３０は、渦巻部３２及び目盛板３４を、開口部１１によって形成される仮想開口面に平行に配置したが、第６及び第７の実施例によるブルドン管圧力計３０は、渦巻部３２及び目盛板３４を、開口部１１によって形成される仮想開口面に対して角度を持って配置している。図１０及び図１１では、ブルドン管圧力計３０は、渦巻部３２及び目盛板３４を、仮想開口面に対して９０度の角度とした場合を示している。
第６及び第７の実施例によれば、開口部１１の面積が小さくても、ブルドン管圧力計３０を配置できるとともに、目盛板３４を目視しやすい方向にブルドン管圧力計３０を配置することができる。
FIG. 10 is a front view of an essential part of a cross section of a fire extinguisher according to a sixth embodiment of the present invention, and FIG. 11 is a front view of an essential part of the fire extinguisher according to the seventh embodiment of the present invention. FIG. The same members as those in the above-described embodiments are indicated by the same reference numerals and the description thereof will be omitted.
In the Bourdon tube pressure gauge 30 according to the first to fifth embodiments, the spiral portion 32 and the scale plate 34 are disposed in parallel to the virtual opening surface formed by the opening portion 11, but the sixth and seventh embodiments The Bourdon tube pressure gauge 30 according to this embodiment arranges the spiral portion 32 and the scale plate 34 at an angle with respect to the virtual opening formed by the opening 11. In FIGS. 10 and 11, the Bourdon tube pressure gauge 30 shows the case where the spiral part 32 and the scale plate 34 are at an angle of 90 degrees with respect to the virtual opening surface.
According to the sixth and seventh embodiments, even if the area of the opening 11 is small, the Bourdon tube pressure gauge 30 can be disposed, and the Bourdon tube pressure gauge 30 can be disposed in a direction in which the scale plate 34 can be easily viewed. Can.
本発明は、非常時に１回のみ使用できるものに限らず、繰り返し使用できる消火器にも適用できる。 The present invention is applicable not only to one that can be used only once in an emergency, but also to a fire extinguisher that can be used repeatedly.
１０ 耐圧容器
１１ 開口部
１２ 開口縁部
１３ アルミ防腐樹脂層
２０ 封板
２１ 破封部
２１ａ 天面外縁
２２ 覆い部
２２ａ 外縁部
２３、２４ 小孔
３０ ブルドン管圧力計
３１ 円筒状脚部
３２ 渦巻部
３３ 指針
３４ 目盛板
４０ バルブ
４１ 針部
４２ レバー
４３ 吐出孔
４４ キャップ部
４４ａ 第１押圧部
４４ｂ 第２押圧部
４４ｃ キャップ内空間
４４ｄ 係止部
４５ 透明ゲージカバー
６０ 袋ナット
７０ ナット部
DESCRIPTION OF SYMBOLS 10 Pressure-resistant container 11 Opening part 12 Opening edge 13 Aluminum antiseptic resin layer 20 Seal plate 21 Sealed part 21a Top surface outer edge 22 Cover part 22a Outer edge part 23, 24 Small hole 30 Bourdon tube pressure gauge 31 Cylindrical leg part 32 Spiral part 33 pointer 34 scale plate 40 valve 41 needle portion 42 lever 43 discharge hole 44 cap portion 44a first pressing portion 44b second pressing portion 44c space in cap 44d locking portion 45 transparent gauge cover 60 cap nut 70 nut portion
Claims (11)
前記耐圧容器の開口部を封止する封板と、
前記耐圧容器内の圧力を表示するブルドン管圧力計と、
前記封板を破封する針部を有するバルブと
を備え、
前記ブルドン管圧力計が、圧力導入孔を形成する円筒状脚部と、前記円筒状脚部に連続して形成された渦巻部と、前記渦巻部の端部に取り付けられる指針と、前記渦巻部と平行に配置して前記指針の変位を示す目盛板とで構成される
消火器であって、
前記円筒状脚部を、前記封板に取り付け、
前記封板が、
前記針部によって破封される有底筒状の破封部と、
前記破封部の外周に形成される覆い部と、
前記破封部の側面に形成した小孔と
を有し、
前記覆い部の外縁部で、前記開口部を形成する開口縁部を封止し、
前記円筒状脚部の開口端部を前記小孔に挿入して、前記開口端部を前記耐圧容器内に臨ませ、前記円筒状脚部の外周と前記小孔との間を密封固定したことを特徴とする消火器。 A pressure resistant container for containing a fire extinguishing agent;
A sealing plate for sealing the opening of the pressure container;
A Bourdon tube pressure gauge for displaying the pressure in the pressure container;
And a valve having a needle portion for sealing the sealing plate,
The Bourdon tube pressure gauge includes a cylindrical leg forming a pressure introducing hole, a spiral portion continuously formed on the cylindrical leg, a pointer attached to an end of the spiral portion, and the spiral portion And a scale plate arranged parallel to indicate the displacement of the pointer,
Attaching the cylindrical legs to the sealing plate ;
The sealing plate is
A bottomed cylindrical tear-off portion which is sealed off by the needle portion;
A cover portion formed on the outer periphery of the seal portion;
A small hole formed on the side surface of the seal portion and
Have
Sealing the open edge forming the opening at the outer edge of the cover;
The open end of the cylindrical leg is inserted into the small hole, and the open end faces the inside of the pressure container, and the space between the outer periphery of the cylindrical leg and the small hole is sealed and fixed . Fire extinguisher characterized by.
前記耐圧容器の開口部を封止する封板と、
前記耐圧容器内の圧力を表示するブルドン管圧力計と、
前記封板を破封する針部を有するバルブと
を備え、
前記ブルドン管圧力計が、圧力導入孔を形成する円筒状脚部と、前記円筒状脚部に連続して形成された渦巻部と、前記渦巻部の端部に取り付けられる指針と、前記渦巻部と平行に配置して前記指針の変位を示す目盛板とで構成される
消火器であって、
前記円筒状脚部を、前記封板に取り付け、
前記封板が、
前記針部によって破封される有底筒状の破封部と、
前記破封部の外周に形成される覆い部と、
前記覆い部に形成した小孔と
を有し、
前記覆い部の外縁部で、前記開口部を形成する開口縁部を封止し、
前記円筒状脚部の開口端部を前記小孔に挿入して、前記開口端部を前記耐圧容器内に臨ませ、前記円筒状脚部の外周と前記小孔との間を密封固定し、
前記バルブが、
前記針部を押圧するレバーと、
前記針部による前記封板の破封によって前記消火薬剤を噴出させる吐出孔と、
前記封板を覆うキャップ部と
を有し、
前記キャップ部が、
前記覆い部の前記外縁部を前記開口縁部に押圧する第１押圧部と、
前記破封部の天面外縁を押圧する第２押圧部と
を有し、
前記封板と前記キャップ部との間には、前記第１押圧部と前記第２押圧部とで封止されたキャップ内空間を形成し、
前記キャップ内空間に、前記ブルドン管圧力計を配置したことを特徴とする消火器。 A pressure resistant container for containing a fire extinguishing agent;
A sealing plate for sealing the opening of the pressure container;
A Bourdon tube pressure gauge for displaying the pressure in the pressure container;
A valve having a needle portion for sealing the sealing plate
Equipped with
The Bourdon tube pressure gauge includes a cylindrical leg forming a pressure introducing hole, a spiral portion continuously formed on the cylindrical leg, a pointer attached to an end of the spiral portion, and the spiral portion And a scale plate arranged parallel to indicate the displacement of the pointer
It is a fire extinguisher,
Attaching the cylindrical legs to the sealing plate;
The sealing plate is
A bottomed cylindrical tear-off portion which is sealed off by the needle portion;
A cover portion formed on the outer periphery of the seal portion;
And a small hole formed in the cover;
Sealing the open edge forming the opening at the outer edge of the cover;
The open end of the cylindrical leg is inserted into the small hole, the open end is exposed in the pressure-resistant container, and the space between the outer periphery of the cylindrical leg and the small hole is sealed and fixed .
The valve is
A lever for pressing the needle portion;
A discharge hole for discharging the extinguishing agent by the seal of the sealing plate by the needle portion;
A cap for covering the sealing plate and
Have
The cap portion is
A first pressing portion for pressing the outer edge portion of the cover portion to the opening edge portion;
A second pressing portion for pressing the top surface outer edge of the seal portion;
Have
A cap inner space sealed by the first pressing portion and the second pressing portion is formed between the sealing plate and the cap portion,
The cap space, extinguishers characterized in that a said Bourdon tube pressure gauge.
前記小孔を、前記封板の前記中心又は前記封板の前記中心から他方向にずらした位置に配置したことを特徴とする請求項２に記載の消火器。 The seal portion is disposed at a position shifted in one direction from the center of the sealing plate,
The fire extinguisher according to claim 2, wherein the small hole is disposed at a position shifted in the other direction from the center of the sealing plate or the center of the sealing plate.
前記渦巻部を、前記破封部の前記外周に配置したことを特徴とする請求項１に記載の消火器。 Causing the seal portion to protrude outward of the pressure container;
The fire extinguisher according to claim 1 , wherein the spiral portion is disposed on the outer periphery of the seal portion.
前記針部を押圧するレバーと、
前記針部による前記封板の破封によって前記消火薬剤を噴出させる吐出孔と、
前記封板を覆うキャップ部と
を有し、
前記キャップ部が、
前記覆い部の前記外縁部を前記開口縁部に押圧する第１押圧部と、
前記破封部の天面外縁を押圧する第２押圧部と
を有し、
前記封板と前記キャップ部との間には、前記第１押圧部と前記第２押圧部とで封止されたキャップ内空間を形成し、
前記キャップ内空間に、前記ブルドン管圧力計を配置したことを特徴とする請求項１に記載の消火器。 The valve is
A lever for pressing the needle portion;
A discharge hole for discharging the extinguishing agent by the seal of the sealing plate by the needle portion;
And a cap portion covering the sealing plate,
The cap portion is
A first pressing portion for pressing the outer edge portion of the cover portion to the opening edge portion;
And a second pressing portion that presses the top surface outer edge of the seal portion;
A cap inner space sealed by the first pressing portion and the second pressing portion is formed between the sealing plate and the cap portion,
Fire extinguisher according to claim 1, characterized in that the cap space, and disposing the Bourdon tube pressure gauge.
前記耐圧容器とねじ結合される袋ナットを備え、
前記袋ナットによって、前記係止部を前記耐圧容器に押圧して、前記バルブを前記耐圧容器に取り付けることを特徴とする請求項２又は請求項７に記載の消火器。 The cap portion has a locking portion outside the first pressing portion;
A cap nut screwed to the pressure container;
The fire extinguisher according to claim 2 or 7 , wherein the locking portion is pressed against the pressure container by the cap nut, and the valve is attached to the pressure container.
前記ナット部によって、前記第１押圧部を前記開口縁部に押圧して、前記バルブを前記耐圧容器に取り付けることを特徴とする請求項２又は請求項７に記載の消火器。 The cap portion has a nut portion screwed to the pressure container;
The fire extinguisher according to claim 2 or 7 , wherein the valve is attached to the pressure container by pressing the first pressing portion against the opening edge by the nut portion.
前記耐圧容器の内面には、アルミ防腐樹脂層を形成していることを特徴とする請求項１から請求項１０のいずれかに記載の消火器。 The pressure container is formed of an aluminum material,
The fire extinguisher according to any one of claims 1 to 10 , wherein an aluminum preservative resin layer is formed on an inner surface of the pressure container.
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| JPH0248263B2 (en) * | 1982-11-25 | 1990-10-24 | Dainippon Jochugiku Kk | KOGATASHOKAKINOYOKIBOSHOKUHO |
| JP3426167B2 (en) * | 1999-10-01 | 2003-07-14 | 長野計器株式会社 | Pressure gauge |
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