CN204066534U - 喷气式蒸汽机 - Google Patents

喷气式蒸汽机 Download PDF

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CN204066534U
CN204066534U CN201420407129.XU CN201420407129U CN204066534U CN 204066534 U CN204066534 U CN 204066534U CN 201420407129 U CN201420407129 U CN 201420407129U CN 204066534 U CN204066534 U CN 204066534U
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rotating disk
gas orifice
recoil
pressure limiting
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钟云述
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Abstract

一种能够演示反冲运动的喷气式蒸汽机,其构造是:锅炉瓶、燃烧杯安装在转盘上,转盘通过轴承连接到底座上,锅炉瓶设有喷气孔、进水口、限压阀。本实用新型能成功的关键是喷气孔的大小与轴承的结构,经过若干次试验发现喷气孔直径为0.55mm效果最好。轴承用钢针插进有底的细不锈钢管里,管内表面光滑,加有润滑油摩擦极小,安全问题也是成功的重要要素,锅炉瓶的限压阀解决了安全问题,万一喷气孔堵塞,限压阀会自动松开排气减压。本实用新型的主要用途是:演示初中物理的内能转化为机械能与内能做功、演示高中物理的反冲运动、演示小学科学的“反冲力”。

Description

喷气式蒸汽机
(一)技术领域:
本实用新型涉及一种喷气式蒸汽机,适用于教学演示用,按国际专利分类表(第七版1999)划分属于(GO9B)教育演示用具的技术领域。
(二)背景技术:
本发明的目的在于解决演示高中物理的反冲运动、初中物理的内能转化为机械能、小学科学的“反冲力”。
目前演示反冲运动的仪器有几种(网上百度),一是反冲小车,二是反冲风扇,三是喷水反冲,反冲小车与本发明有相同点,共同点是:都有锅炉和燃烧杯,都是燃烧产生水蒸气,不同点是:反冲小车喷出的是物块,且不能连续工作,本发明喷出的是水蒸气,且能连续工作。
(三)发明内容:
本实用新型的主要构造是:锅炉瓶、燃烧杯、转盘、轴承,锅炉瓶与燃烧杯安装在转盘上,转盘由轴承链接到支柱上,其中锅炉瓶是核心部件,它是由瓶体、喷气孔、进水口、限压阀构成。本发明能成功的关键在于喷气孔的大小与轴承的结构。经过若干次试验发现喷气孔直径为0.55mm效果最好,轴承是用钢针插进有底的细不锈钢管里,加润滑油,摩擦极小。安全问题也是成功的重要要素,限压阀解决了安全问题,万一喷气孔堵塞,限压阀会自动松开,排气减压。
本发明的工作原理是:燃烧杯内的酒精燃烧,将锅炉瓶内的水烧开,产生高温高压蒸汽,蒸汽从喷孔高速喷出,使锅炉瓶受到一个反冲力的作用。锅炉瓶推动转盘转动这个过程实现了内能转化为机械能,这个现象反应了喷气式飞机与火箭的运动原理,此现象属于反冲运动现象。
本发明的有益效果是:1.演示全日制高中物理教科书第八章第五节反冲运动。2.初中物理:(1)演示内能转化为机械能,(2)演示内能做功,(3)观察水的沸腾,(4)观察雾的形成。3.演示小学科学教科版五年级上册运动和力中的“反冲力”。
(四)附图说明:
图1是本发明的正视结构图。
图2是本发明的构造图。
图2中零部件的标号说明:
01锅炉瓶、02进水口与限压阀、03喷气孔、04锅炉瓶支架、05转盘、06燃烧杯、07转盘支架08轴承、09支柱、10支柱撑、11底板
(五)具体实施方式:
在图2中,锅炉瓶(01)是用试管烧制而成,直径18mm,长90mm,进水口与限压阀(02)直径8mm,限压阀是玻璃珠,喷气孔(03)直径0.55mm,锅炉瓶支架(04)用钢丝制成,转盘(05)用铁板制成,直径240mm,厚度0.2mm,燃烧杯(06)直径28mm,深8mm,转盘支架(07)由4个直角三角形铁板制成,勾40mm,股60mm,厚0.2mm,轴承(08)钢针,长90mm,直径1.1mm,细不锈钢管内径1.3mm,长50mm,有底,支柱(09)高200mm,直径60mm,木质,支柱撑(10)由4个等腰直角三角形构成,直角边100mm厚10mm,木质,底板(11)直径260mm,厚35mm,木质。
本发明的静态结构如图2所示:锅炉瓶(01)插在锅炉瓶支架(04)上,锅炉瓶支架(04)用螺母连接在转盘(05)上,燃烧杯(06)嵌在转盘(05)上,转盘(05)焊在转盘支架(07)上,转盘(05)由轴承(08)连接在支柱(09)上。
本发明的操作方法:1.将燃烧杯填满蓬松的脱脂棉花,2.用量筒往每一个燃烧杯加入5ml燃烧酒精,3.往每一个锅炉瓶加入4ml软水,4.用限压阀盖住进水口,5.用火柴点燃燃烧杯内的酒精。

Claims (3)

1.一种喷气式蒸汽机,它是由锅炉瓶(01),燃烧杯(06),转盘(05)、轴承(08)、底座(09、10、11)构成,其特征是:锅炉瓶(01)通过支架(04)连接到转盘(05)上,燃烧杯(06)嵌在转盘(05)上,转盘(05)通过轴承(08)连接到支柱(09)上。
2.根据权利要求1所述的喷气式蒸汽机,其特征是:锅炉瓶(01)设有喷气孔(03),其直径为0.55mm,进水口与限压阀(02)。
3.根据权利要求1所述的喷气式蒸汽机,其特征是:轴承(08)是用钢针插进有底的细不锈钢管内。
CN201420407129.XU 2014-07-18 2014-07-18 喷气式蒸汽机 Expired - Fee Related CN204066534U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112827189A (zh) * 2021-02-20 2021-05-25 滨州童乐科技有限公司 一种多人协作气球反冲旋转小车及使用方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112827189A (zh) * 2021-02-20 2021-05-25 滨州童乐科技有限公司 一种多人协作气球反冲旋转小车及使用方法

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