WO2013023603A1 - 一种带喷口的泄爆装置 - Google Patents

一种带喷口的泄爆装置 Download PDF

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Publication number
WO2013023603A1
WO2013023603A1 PCT/CN2012/080187 CN2012080187W WO2013023603A1 WO 2013023603 A1 WO2013023603 A1 WO 2013023603A1 CN 2012080187 W CN2012080187 W CN 2012080187W WO 2013023603 A1 WO2013023603 A1 WO 2013023603A1
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WIPO (PCT)
Prior art keywords
connecting rod
venting device
spout
cover body
present
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Application number
PCT/CN2012/080187
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English (en)
French (fr)
Inventor
强健
雷政军
Original Assignee
陕西坚瑞消防股份有限公司
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Application filed by 陕西坚瑞消防股份有限公司 filed Critical 陕西坚瑞消防股份有限公司
Publication of WO2013023603A1 publication Critical patent/WO2013023603A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C19/00—Hand fire-extinguishers in which the extinguishing substance is expelled by an explosion; Exploding containers thrown into the fire

Definitions

  • the present invention relates to a safety device, and more particularly to a venting device with a spout.
  • BACKGROUND OF THE INVENTION Existing electric power, petroleum, chemical, textile, heat supply and other industries may involve portable devices that, although small in structure, may cause excessive explosion and detonation of pressure build-up. In the process of explosion and detonation, a strong recoil force will be generated on the device, which will injure the operator, and the detonation explosion will produce debris or the object at the spout will be separated from the body. It will fly around and may bring the surrounding person and property. Come unexpectedly hurt.
  • the above-mentioned deflagration means that the pyrotechnic charge column is cracked or ignited after being broken or externally coated, and such a column will be violently burned in a very short time, and the burning time is only a very normal stratified combustion. One or so. After the column is detonated, a large amount of high-pressure and high-temperature gas is instantaneously generated.
  • SUMMARY OF THE INVENTION In order to solve the problem of the strong recoil caused by the detonation or explosion of a portable production and use device during the operation of a person in the prior art, the operator and the accidental injury caused by the object at the ejection port of the device are separated from the body.
  • the present invention provides a novel venting device with a spout.
  • the technical means adopted by the present invention is: a venting device with a spout, which is special in that: the venting device comprises a cover body (1) with a spout (10) and is disposed on the cover body (1) a connecting rod (2), a guiding unit (3) capable of guiding the sliding of the connecting rod (2), and a friction layer (4) disposed inside the connecting rod (2); the venting device of the present invention covers the cover ( 1) It is integrated with the spout (10), the structure is simplified and the installation is convenient.
  • the venting device can be directly installed at the ejecting port of the portable device; in addition, the guiding unit (3) is arranged to move the connecting rod (2) according to The specified trajectory, There is no problem such as misalignment or jamming; the friction layer (4) is capable of generating frictional resistance to the link (2) when the link (2) moves, and can consume a part of the kinetic energy acting on the link (2).
  • the cover body (1) of the present invention may further be provided with a claw (5) for fixing the cover body (1); when the deflation device is used, it can be fixed with other devices through the claws (5), that is, detonation or explosion.
  • the heat needs to overcome the structural strength of the already bent jaws (5) and straighten it so that it can also dissipate a portion of its kinetic energy.
  • the spout (10) of the present invention is arranged in an inverted horn type, so that the hot gas flow can be concentrated, rectified, diverted, and accelerated.
  • the guiding unit (3) of the present invention is a guiding ring (7) disposed at the end of the connecting rod (2) and fixed to the connecting rod (2), and the end of the guiding ring (7) and the connecting rod (2) can also be set
  • the guiding unit (3) is provided as a guiding groove or a sliding rail along which the connecting rod (2) can slide, which is mainly guided during the movement of the connecting rod (2) to prevent the deviation.
  • the connecting rod (2) and the cover body (1) may be fixedly connected by snapping, riveting, welding, screwing, pinning, etc., or may be directly integrated to make the structural strength greater.
  • the friction layer (4) may be a plastic material or a rubber material, or may be any other as long as it can provide frictional resistance.
  • a buffer member (6) may be disposed at a position inside the one end of the connecting rod (2) connected to the cover body (1) or at the end of the connecting rod (2) parallel to the cover body (1), when the connecting rod (2) When the end moves to the end point, the end of the connecting rod (2) collides with the obstruction on the portable device, and the cushioning member (6) can act as a buffer on the one hand, and can release a part of the kinetic energy by releasing it elastically on the other hand.
  • the above-mentioned connecting rods (2) are two or more, and the number of the claws (5) can also be adjusted according to actual needs, and may be two or more.
  • the invention provides a venting device with a spout, which mainly has the following advantages:
  • the present invention provides a novel venting device that is integrated with the spout (10) to simplify the structure of the entire device and to be easily installed.
  • the venting device of the present invention is effectively combined by the connecting rod (2), the guiding unit (3), and the friction layer (4), and guided by the guiding unit 3 during the movement of the connecting rod (2) toward the hot air jet direction.
  • the action and friction layer (4) provide frictional resistance, and the additional claws (5) on the cover (1) can be effectively dispersed or consumed.
  • the enormous kinetic energy generated by an explosion or detonation that reduces the recoil and prevents the venting of the spout (10) assembly.
  • the cushioning member (6) of the present invention provides a cushioning effect when the connecting rod (2) moves to the end point to encounter a member that hinders its detachment, and on the other hand, its own elastic characteristic can also consume a part of the energy.
  • the spout (10) of the present invention adopts an inverted horn type spout, which can perform the functions of gathering, rectifying, diverting, and speed increasing.
  • FIG. 1 is a schematic structural view of a first embodiment of the present invention
  • FIG. 3 is a schematic structural view of a second embodiment of the present invention
  • the present invention relates to a venting device with a spout, and the best embodiment thereof will be further described with reference to the accompanying drawings:
  • the venting device of the present invention is a novel structure, which mainly comprises a cover body. 1, the connecting rod 2, the guiding unit 3, the friction layer 4, the claw 5 and the cushioning member 6; see Figs.
  • the guiding unit 3 may be a guiding ring 7 fixed at the end of the connecting rod 2 and fixed to the connecting rod 2 or may be arranged to enable the connecting rod 2
  • the guiding groove or the sliding rail along which it slides or other structures capable of guiding the displacement of the connecting rod to prevent the deviation thereof may be arranged.
  • the guiding ring 7 and the end of the connecting rod 2 may be integrally provided.
  • the friction layer 4 of the present invention is adhesively fixed on the inside of the link 2 or can be slid inside the link 2 or can be slid. . It can be A whole piece, or a plurality of scattered ones, whose number in the sliding direction should be different depending on the amount of friction required to provide sufficient friction, which can be formed by hot pressing vulcanization or injection molding or other functions.
  • the molding method is mainly for providing frictional resistance during the sliding of the connecting rod 2, and may be made of a plastic material or a rubber material or other materials as long as it can provide frictional resistance.
  • the invention also has a claw 5 which can be used for fixing the cover body 1 on the cover body 1; when the deflation device is used in conjunction with other portable devices, it can be fixed by the claws 5 and other devices, and at the same time, it can be overcome when deflagrating or exploding.
  • the structural strength of the curved jaws (5) is straightened to absorb and consume a portion of the front impulse energy.
  • a buffer member 6 may be disposed at a position inside the one end of the connecting rod 2 connected to the cover body 1 or the end of the connecting rod 2 is parallel to the cover body 1.
  • the cushioning member 6 can act as a buffer on the one hand and a part of the kinetic energy on the other hand.
  • the cross section of the cushioning member 6 may be circular or rectangular, and the specific dimensions may be experimentally calculated or theoretically calculated as the magnitude of the kinetic energy to be absorbed and prevented; the number may be one or more;
  • the material may be rubber or a plastic with greater elasticity; in higher temperature environments, the material of the cushioning member is preferably silica gel. Referring to FIG. 3 and FIG.
  • the specific venting device is adapted to the inner cylinder 8 of the aerosol fire extinguishing device, and the spout 10 is used as an aerosol fire extinguishing device.
  • the ejection opening of the barrel 8 is used, and the claw 5 is snapped onto the flange 9 at the top of the inner cylinder 8, so that the deflation device and the aerosol fire extinguishing device can be integrated into one body, and the connecting rod 2 is also fixed to the aerosol.
  • the inner cylinder 8 of the fire extinguishing device does not slide freely.
  • the deflation device does not start, and the hot aerosol gas is normally discharged from the spout 10 after the agent of the aerosol fire extinguishing device is ignited, and the fire is extinguished.
  • the hot airflow accumulates in the cylinder cavity during the detonation of the medicament, forming a strong impact kinetic energy, which overcomes the bending structure strength of the claw 5, so that the cover body 1 is separated from the inner cylinder body 8 of the aerosol fire extinguishing device, the cover body 1 and the connecting rod 2 moves toward the hot air jet direction, and the connecting rod 2 slides along the outer wall of the inner cylinder 8 under the action of the guiding ring 7 to generate displacement, and the friction layer 4 generates frictional resistance during the sliding process, and consumes a part of the front Impulse energy, when the end of the connecting rod 2 reaches the spout 10 of the cylinder, the flange 9 on the inner cylinder 8 of the aerosol fire extinguishing device prevents the end
  • the cover body 1 and the spout 10 are integrally formed, and the specific manner may be welding or gluing, or the sheet metal forming is integrated.
  • the spout 10 adopts an inverted horn type spout, and the geometry of the inverted horn type spout itself
  • the shape may be a truncated cone shape or a hemispherical shape.
  • the hemispherical shape of the sheet metal is integrally formed, and when the venting pressure is small, the frustum shape integrally formed by welding or bonding is used.
  • FIG. 1, FIG. 3, the connecting rod 2 and the guiding unit 3 are integrated.
  • FIG. 3 and FIG. 4 the connecting rod 2 and the guiding unit 3 The difference between FIG. 3 and FIG.
  • connection mode of the connecting rod 2 and the guiding unit 3 in FIG. 3 is an internal bending hook type; in FIG. 4, the connecting manner of the connecting rod 2 and the guiding unit 3 is externally opened.
  • the snap-in type of the hole is not limited to the above four configurations, but includes any other structure that is identical to the principle of the present venting device.
  • the deflation device of the present invention can also be applied to a fixed fire extinguishing device or other blasting type product having the same or similar mechanism as that of the portable aerosol fire extinguishing device and the fixed fire extinguishing device.
  • the vented venting device of the present invention is not limited to the embodiments described above, and includes all of the structures that may be equivalently substituted or thus may be associated.

Landscapes

  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

本发明涉及一种带喷口的泄爆装置，该泄爆装置包括带有喷口的盖体（1）以及设置于盖体上的连杆（2）、能够为连杆滑动提供导向作用的单元（3）以及设置在连杆内侧的摩擦层（4）。本发明的泄爆装置与喷口一体化，使得整个装置结构简化，而且使用安装方便。

Description

一种带喷口的泄爆装置 技术领域 本发明属于一种安全装置， 具体涉及一种带有喷口的泄爆装置。 背景技术 现有的电力、 石油、 化工、 纺织、 供热等行业均可能涉及到便携式的装置虽然结 构小但可能产生压力积聚过大的爆炸、 爆燃的情形。 在爆炸爆燃的过程中均会在装置 上产生强大的后坐力， 伤及操作人员， 而且爆燃爆炸会产生碎片或其喷口处的物件脱 离本体， 会四处乱飞， 可能会给周围的人身、 财产带来意外的伤害。 如便携式气溶胶 灭火装置， 当其药柱发生爆燃时由于其出气喷口小， 热气溶胶气体就会在其筒体内急 速积聚， 筒体内的压力会急骤升高， 于是热能转换成巨大的动能， 作用在筒体上， 一 部分沿着喷口方向将筒盖冲开向前， 同时其一部分就作用在筒体上产生反方向的后坐 力， 其作用于操作人员身上就会带来严重的人身伤害， 另外冲出去的筒盖由于其冲力 较大也会在脱离筒体后给周围的人或物造成意外伤害。 上述的爆燃是指烟火药剂柱出现了裂纹或发生了破碎或外部包覆失效以后被引 燃， 这样的药柱会在极短时间内发生剧烈燃烧， 其燃烧时间只是正常分层燃烧的十分 之一左右。 药柱爆燃后， 会瞬时产生大量的高压高温气体。 发明内容 为了解决现有技术中存在的涉及到便携式的生产使用装置在人员操作过程中爆燃 或爆炸所产生的强大后坐力伤及操作人员以及装置喷射口处的物件脱离本体所带来的 意外伤害等的技术问题， 本发明提供了一种新型的带有喷口的泄爆装置。 本发明采用的技术手段是： 一种带有喷口的泄爆装置， 其特殊之处在于： 该泄爆装置包括带有喷口 （10) 的 盖体（1 ) 以及设置于盖体（1 )上的连杆 （2)、 能够为连杆 （2)滑动提供导向作用的 导向单元（3 ) 以及设置在连杆（2) 内侧的摩擦层（4); 本发明的泄爆装置将盖体（1 ) 与喷口 （10) 设置为一体， 结构简化而且安装方便， 使用时可以直接将泄爆装置安装 在便携式装置的喷发口处； 另外设置导向单元（3 )， 使连杆（2)运动按照指定的轨迹， 不会发生偏位或者卡住等问题； 摩擦层 （4)是在连杆 （2)移动时能够对连杆 （2)产 生摩擦阻力， 可以消耗作用在连杆 （2) 上一部分动能。 本发明的盖体 （1 ) 上还可以设置可用来固定盖体 （1 ) 的卡爪 （5 ); 当泄爆装置 使用时可以通过卡爪（5 )与其他装置固定， 即爆燃或爆炸的热量需要克服已经折弯的 卡爪 （5 ) 的结构强度， 将其拉直， 才能使其开脱即也可以消耗一部分动能。 本发明的喷口 （10)设置为倒喇叭型， 这样可以对热气流起到聚集、 整流、 导流、 提速作用。 本发明的导向单元（3 )是设置在连杆（2)末端且与连杆（2)固连的导向环（7)， 而且导向环 （7) 与连杆 （2) 的末端也可以设置为一体结构； 或者导向单元（3 )设置 为能够使连杆 （2) 沿其滑动的导向槽或滑轨， 其主要是在连杆 （2) 运动过程中为其 导向， 防止偏位。 上述连杆 （2) 与盖体 （1 ) 可以采用卡接、 铆接、 焊接、 螺纹联接、 销联接等固 定连接也可以直接设置为一体， 使其结构强度更大。 上述摩擦层（4)是塑料材料或者橡胶材料， 或者也可以是其他的只要能为其提供 摩擦阻力的均可。 本发明在连杆 （2) 与盖体（1 )连接的一端内侧或者连杆 （2) 的末端与盖体（1 ) 平行的位置还可以设置缓冲部件 （6)， 当连杆 （2) 末端运动到终点时， 连杆 （2) 的 末端会与便携式装置上的阻塞物产生碰撞， 缓冲部件 （6) 就可以一方面起缓冲作用， 另一方面可以自身弹性的释放而消耗一部分动能。 上述连杆 （2) 是两个或多个， 而且卡爪 （5 ) 的数目也可以根据实际需要调整， 可以是两个或多个。 本发明提供的一种带有喷口的泄爆装置， 其主要具有以下优点：
1、 本发明提供了一种新型的泄爆装置， 其与喷口 （10) —体化， 使得整个装置结 构简化， 而且使用安装方便。 2、 本发明的泄爆装置通过连杆 （2)、 导向单元 （3 )、 摩擦层 （4) 有效组合， 在 连杆（2)朝热气流喷射方向运动的过程中， 通过导向单元 3导向作用以及摩擦层（4) 提供摩擦阻力， 以及在盖体 （1 ) 上还增设的卡爪 （5 ) 等， 可以有效地分散或者消耗 爆炸或爆燃所产生的巨大动能， 从而起到减少后坐力以及防止喷口 （10) 组件脱离的 所带来的危害。
3、 本发明的缓冲部件（6)在连杆（2)运动到终点遇到阻碍其脱离的部件时为其 提供缓冲作用， 另一方面其自身的弹性特征也可以消耗一部分能量。 4、 本发明的喷口 （10)采用倒喇叭型喷口， 其可以起到聚集、 整流、 导流、 提速 作用。
5、 本发明的连杆 （2) 可与盖体 （1 ) 以及导向单元 （3 ) —体化， 使得整个结构 强度大， 结构简单。 附图说明 图 1为本发明的结构示意图； 图 2为本发明的喷口剖视图； 图 3为本发明的第一种实施方式结构示意图； 图 4为本发明的第二种实施方式结构示意图。 图中： 1-盖体， 2-连杆， 3-导向单元， 4-摩擦层， 5-卡爪， 6-缓冲部件， 7-导向环， 8-内筒体， 9-翻边， 10-喷口。 具体实施方式 本发明所涉及的是一种带有喷口的泄爆装置， 现结合附图对其最佳实施方式进行 进一步说明： 本发明的泄爆装置是一种新型结构， 其主要包括盖体 1、 连杆 2、 导向单元 3、 摩 擦层 4、 卡爪 5以及缓冲部件 6; 参见图 1和图 2， 其中， 盖体 1带有喇叭喷口 10， 连 杆 2与盖体 1通过卡接、 铆接、 焊接、 螺纹联接、 销联接等固定连接或者直接设置为 一体结构； 导向单元 3可以是设置在连杆 2末端与连杆 2固连的导向环 7或者也可以 设置为能够使连杆 2沿其滑动的导向槽或滑轨或者其他的能够为连杆位移起导向作用 防止其偏位的结构均可， 当采用导向环时， 导向环 7与连杆 2的末端可以设置为一体， 当采用导向槽时还可以在导向槽上设置卡台， 能够对连杆运动进行限位控制； 本发明 的摩擦层 4粘接固定在连杆 2内侧或者设置在连杆 2内侧能够滑动也可以。 其可以是 一个整块， 也可以是分散的多个， 其在滑动方向上的数量应根据所要提供足够摩擦力 的大小不同而定， 其成形的方式可以热压硫化成型或注塑成型或其它能满足使用功能 的成型方法， 其目的主要是在于在连杆 2滑动的过程中能够提供摩擦阻力， 可以采用 塑料材料或者橡胶材料或者还可以是其他的只要能为其提供摩擦阻力的材质均可。 本发明在盖体 1上还设置有可用来固定盖体 1的卡爪 5 ; 当泄爆装置配合其他便 携式的装置使用时可以通过卡爪 5与其他装置固定， 同时爆燃或爆炸时克服已经折弯 的卡爪 （5 ) 的结构强度， 将其拉直， 从而吸收及消耗一部分前冲动能。 本发明在连杆 2与盖体 1连接的一端内侧或者连杆 2的末端与盖体 1平行的位置 还可以设置缓冲部件 6， 当连杆 2末端运动到终点时， 连杆 2的末端会与便携式装置 上的阻塞物产生碰撞， 缓冲部件 6就可以一方面起缓冲作用， 另一方面可以自身弹性 消耗一部分动能。 根据不同场合的具体情况， 缓冲部件 6的截面可以是圆形或矩形， 具体尺寸当以要吸收及阻止的动能大小实验测得或由理论计算得来； 其数量可以是一 个或多个； 其材料可以是橡胶或有较大弹性的塑料； 在较高温度的环境下， 此缓冲部 件的原材料首选硅胶。 参见图 3及图 4， 当泄爆装置应用在便携式气溶胶灭火装置上时， 其具体是： 泄 爆装置与气溶胶灭火装置的内筒体 8适配， 其喷口 10作为气溶胶灭火装置内筒体 8 的喷射口使用， 卡爪 5卡接在内筒体 8顶部的翻边 9上， 即可将泄爆装置与气溶胶灭 火装置卡接成为一体， 而且连杆 2也固定在气溶胶灭火装置的内筒体 8上不会自由滑 动。 正常情况下， 泄爆装置不启动， 气溶胶灭火装置的药剂点燃后热气溶胶气体从喷 口 10正常喷放， 灭火。 只有当发生意外， 药剂爆燃时热气流在筒体内腔积聚， 形成强 大的冲击动能， 其克服卡爪 5的弯折结构强度， 使得盖体 1脱离气溶胶灭火装置的内 筒体 8， 盖体 1和连杆 2向热气流喷射方向移动， 连杆 2在在导向环 7的作用下沿内 筒体 8外壁轴向滑动产生位移， 滑动过程中摩擦层 4对其产生摩擦阻力， 消耗一部分 前冲动能， 当连杆 2末端到达筒体的喷口 10处时，气溶胶灭火装置的内筒体 8上的翻 边 9阻止连杆 2的末端脱离筒体， 在此时缓冲部件 6发挥作用， 其本身有弹性可以消 耗一部分前冲动能， 另外其对连杆 2末端与翻边 9之间的强大撞击力起到缓冲作用， 当剩余的前冲动能作用到翻边 9上时， 翻边 9发生弹性或塑性形变会完全吸收剩余的 前冲动能，这样整个过程就可以很好地将药柱爆燃所产生的强大的冲击力消耗或分散， 从而避免其所带来的人员与物品伤害。 本发明将盖体 1与喷口 10设置为一体，其具体方式可以是焊接或胶接为一体， 或 者是钣金成型为一体。喷口 10采用倒喇叭型喷口， 而这个倒喇叭型喷口本身的几何形 状可以是锥台形也可以是半球形。 泄爆压力较大时采用钣金一体成型的半球形， 泄爆 压力较小时采用焊接或胶接一体成型的锥台形。 本发明的泄爆装置的具体结构形式可参见图 1、 图 3及图 4， 图 1中连杆 2与导向 单元 3是一体的， 在图 3及图 4中， 连杆 2与导向单元 3是分体的， 图 3与图 4的区 别是在图 3中连杆 2与导向单元 3的联接方式是内部弯曲挂钩式； 在图 4中连杆 2与 导向单元 3的联接方式是外部开孔的卡扣式。 但是本发明不仅限于以上四种结构， 而 且还包括任何与本泄爆装置原理相同的其它结构。 同理， 本发明的泄爆装置还可以应用于固定式灭火装置或其他的与便携式气溶胶 灭火装置和固定式灭火装置的机理相同或类似的爆破型的产品上或类似的场合。 本发明的带喷口的泄爆装置不仅限于上述描述的实施方式， 其包括可以等同替换 或者由此可以联想到的所有的结构。

Claims

权 利 要 求 书 、 一种带喷口的泄爆装置， 其特征在于： 所述泄爆装置包括带有喷口 （10) 的盖 体（1 ) 以及设置于盖体（1 )上的连杆 （2)、 能够为连杆 （2)滑动提供导向作 用的导向单元 （3 ) 以及设置在连杆 （2) 内侧的摩擦层 （4)。 、 根据权利要求 1所述的带喷口的泄爆装置， 其特征在于： 所述盖体（1 )上还设 置有用于固定盖体 （1 ) 的卡爪 （5 )。 、 根据权利要求 1或 2所述的带喷口的泄爆装置， 其特征在于： 所述喷口 （10) 呈倒喇叭型。 、 根据权利要求 3所述的带喷口的泄爆装置， 其特征在于： 所述导向单元（3 )是 设置在连杆 （2)末端且与连杆 （2) 固连的导向环 （7)或者是能够使连杆 （2) 沿其滑动的导向槽或滑轨。 、 根据权利要求 1至 4任一所述的带喷口的泄爆装置，其特征在于：所述连杆（2) 与盖体 （1 ) 设置为一体。 、 根据权利要求 5所述的带喷口的泄爆装置， 其特征在于： 所述摩擦层（4)是塑 料材料或者橡胶材料。 、 根据权利要求 6所述的带喷口的泄爆装置， 其特征在于： 所述连杆（2)与盖体
( 1 )连接的一端内侧或者连杆（2) 的末端与盖体（1 )平行的位置设置有缓冲 部件 （6)。 、 根据权利要求 7所述的带喷口的泄爆装置， 其特征在于： 所述连杆（2)是两个 或多个。
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