CN2787300Y - 弹压活塞式滴管 - Google Patents

弹压活塞式滴管 Download PDF

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Publication number
CN2787300Y
CN2787300Y CN 200520083211 CN200520083211U CN2787300Y CN 2787300 Y CN2787300 Y CN 2787300Y CN 200520083211 CN200520083211 CN 200520083211 CN 200520083211 U CN200520083211 U CN 200520083211U CN 2787300 Y CN2787300 Y CN 2787300Y
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陈冬秋
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Abstract

本实用新型涉及一种弹压活塞式滴管。它包括管体1,管体中有毛玻璃活塞2,管体上部有一带孔7的圆形玻璃板4,有一连杆3通过孔7,连杆上部有一圆形玻璃板6,在圆玻璃板6与圆玻璃板4之间有一弹簧5套在连杆上。本实用新型操作简单,避免了原有胶头滴管经常更换胶头造成资源浪费,环境污染问题的出现。

Description

弹压活塞式滴管
技术领域
本实用新型涉及一种化学仪器,尤其是涉及一种弹压活塞式滴管
背景技术
胶头滴管是实验室中常用的一种化学仪器,滴管的胶头是用橡皮囊做成的,然而橡皮囊容易受酸腐蚀或长期放在高温环境中老化,所以要经常更换橡皮囊,这样会造成资源的浪费和环境的污染。
发明内容
本实用新型的目的是提供一种不使用橡皮囊的弹压活塞式滴管。
本实用新型的上述技术问题主要是通过下述技术方案得以解决的:它包括管体1,管体中有一活塞2,管体上部固定一中间有孔7的圆形玻璃板4,有一连杆3通过孔7与活塞连接,连杆上部固定一圆形玻璃板6,在圆形玻璃板6与圆形玻璃板4之间,有一弹簧5套在连杆上。
活塞2为毛玻璃。
圆形玻璃板4的半径为管体1半径的2-3倍。
由于采用上述方案,弹压活塞式滴管没有使用橡皮囊,也就不存在经常更换橡皮囊的问题,避免了资源的浪费和环境的污染。
具体实施方式
下面通过实施例,并结合附图,对本实用新型的技术方案作进一步具体说明。
附图是本实用新型的一种剖视结构图
一种弹压活塞式滴管,它包括管体1,管体中有一活塞2,管体上部固定一中间有孔7的圆形玻璃板4,有一连杆3通过孔7与活塞连接,连杆上部固定一圆形玻璃板6,在圆形玻璃板6与圆形玻璃板4之间,有一弹簧5套在连杆上。活塞2为毛玻璃。圆形玻璃板4的半径为管体1的半径的2-3倍。
使用此装置时,只需食指与中指夹在圆形玻璃板4的下面,大拇指按一下圆形玻璃板6即可。

Claims (3)

1、一种弹压活塞式滴管,它包括管体(1),其特征在于管体中有一活塞(2),管体上部固定一中间有孔(7)的圆形玻璃板(4),有一连杆(3)通过孔(7)与活塞连接,连杆上部固定一圆形玻璃板(6),在圆形玻璃板(6)与圆形玻璃板(4)之间,有一弹簧(5)套在连杆上。
2、根据权利要求1所述的弹压活塞式滴管,其特征在于活塞(2)为毛玻璃。
3、根据权利要求1所述的弹压活塞式滴管,其特征在于圆形玻璃板(4)的半径为管体(1)半径的2-3倍。
CN 200520083211 2005-05-15 2005-05-15 弹压活塞式滴管 Expired - Fee Related CN2787300Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200520083211 CN2787300Y (zh) 2005-05-15 2005-05-15 弹压活塞式滴管

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200520083211 CN2787300Y (zh) 2005-05-15 2005-05-15 弹压活塞式滴管

Publications (1)

Publication Number Publication Date
CN2787300Y true CN2787300Y (zh) 2006-06-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN 200520083211 Expired - Fee Related CN2787300Y (zh) 2005-05-15 2005-05-15 弹压活塞式滴管

Country Status (1)

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CN (1) CN2787300Y (zh)

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