CN2067330U - 抽气打气筒 - Google Patents

抽气打气筒 Download PDF

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Publication number
CN2067330U
CN2067330U CN 90207330 CN90207330U CN2067330U CN 2067330 U CN2067330 U CN 2067330U CN 90207330 CN90207330 CN 90207330 CN 90207330 U CN90207330 U CN 90207330U CN 2067330 U CN2067330 U CN 2067330U
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唐耿
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Abstract

本实用新型的抽气打气筒、筒体开口朝下,活塞杆是根空心管子又作贮气用,筒体与内外螺丝密封连接,与活塞杆通过密封环实行动密封。活塞上装有单向阀和单向活门,活塞与筒体相对运动产生“高压腔”和“负压腔”打气口设在活塞杆下端的底座上,抽气口通过活塞杆内与负压腔接通(也可由气筒体下端直接引出。)底座下装有吸盘可吸附于一平面,可方便地单手操作。本实用新型实用性强。

Description

本实用新型涉及一种抽气装置,特别涉及一种可抽气同时又能打气的小型工具。
目前的打气筒大多数骑车人常用而不常备。家用真空保鲜机需用电且真空度低,且只能对塑料袋进行抽真空。
本实用新型的目的是提供一种用途广操作轻便既能抽气又可打气两功能俱灵的小型家用工具。
为了达到上述目的,本实用新型的抽气打气筒包括筒体1,内外螺丝7,空心螺丝9,O型圈8,活塞2,单向阀3,和活塞杆6等。
所述活塞2上有单向活门(O型圈的装配槽上端开有数孔下端设孔形成“单向活门”。)活塞杆6是根空心管子(相当于高压气筒的贮气筒)它与步申7空心螺丝9通过压紧O型圈8实行与筒体1的动密封。
下面结合视图作进一步说明:
如图1所示筒体1开口朝下与内外螺丝7是密封连接。底座11下有吸盘13,12是打气口。操作者只须一手握筒体往光滑平面上一吸便可工作,远离活塞杆6无弄脏手之虞,更适合食品真空保鲜之用。
活塞(2)上有单向阀(3)和同时又是单向活门的O型圈(4)筒体下行O型圈(4)由于摩擦力贴紧活塞下端实现动密封由于高压腔容积不断变小气体受压顶开单向阀(3)进入贮气筒(6)(以供打气),与此同时活塞下面负压腔  由于两端动密封,腔室容积不断变大产生负压通过小管口(5),(10)可对某一容器抽气。抽气管接于抽气口10上。
筒体上行O型圈(4)由于摩擦力作用压上平面,上平面有数小通孔,这样单向活门开启两腔接通主要为下一动作做准备(据需要选装一根专用软管和相应接头便可满足抽气或者打气之用。)
经试验本工具便于携带,体积小(φ25×250)使用灵活、方便,工作效率高。真空度可达700毫米汞柱以上。尤其抽气特别轻松,由于往复快,每分钟流量不亚于较大手动抽气工具。打气效果也不错,一分钟内可完成一只载重自行车胎充气。若常用于打气可拧松空心螺丝9以减小O型圈8的磨损。

Claims (3)

1、一种抽气打气筒,包括筒体1;活塞2;活塞杆6内外螺丝7;空心螺丝9;O型圈8;底座11及盘13。
其特征在于所述筒体1开口朝下,与内外螺丝7是密封连接的,空心螺丝9装在内外螺丝7上拧紧可通过压紧O型圈8实现活塞杆与筒体的动密封。
2、如权利与要求1所述抽气打气筒其特征在于活塞杆6是根空心管子又作贮气筒用;活塞2上既有单向阀3又有单向活门4。
3、如权利与要求1所述的抽气打气筒,其特征在于,所述的管子状活塞杆6装在底座11上,底座11下装有吸盘13。
CN 90207330 1990-06-13 1990-06-13 抽气打气筒 Withdrawn CN2067330U (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 90207330 CN2067330U (zh) 1990-06-13 1990-06-13 抽气打气筒

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Application Number Priority Date Filing Date Title
CN 90207330 CN2067330U (zh) 1990-06-13 1990-06-13 抽气打气筒

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CN2067330U true CN2067330U (zh) 1990-12-12

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CN 90207330 Withdrawn CN2067330U (zh) 1990-06-13 1990-06-13 抽气打气筒

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CN (1) CN2067330U (zh)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100343511C (zh) * 2004-08-25 2007-10-17 王乃令 双管打气筒
CN101294559B (zh) * 2007-04-23 2012-03-28 黄英哲 轻便型打气筒
CN105387338A (zh) * 2014-08-22 2016-03-09 黄英哲 可手动或连接气瓶打气的充气装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100343511C (zh) * 2004-08-25 2007-10-17 王乃令 双管打气筒
CN101294559B (zh) * 2007-04-23 2012-03-28 黄英哲 轻便型打气筒
CN105387338A (zh) * 2014-08-22 2016-03-09 黄英哲 可手动或连接气瓶打气的充气装置

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