CN2182597Y - 自封闭式防臭盖 - Google Patents

自封闭式防臭盖 Download PDF

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Publication number
CN2182597Y
CN2182597Y CN 93235443 CN93235443U CN2182597Y CN 2182597 Y CN2182597 Y CN 2182597Y CN 93235443 CN93235443 CN 93235443 CN 93235443 U CN93235443 U CN 93235443U CN 2182597 Y CN2182597 Y CN 2182597Y
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李明
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Abstract

本实用新型涉及一种用于蹲便器的自封闭式防 臭盖,主要由支撑圈和防水薄膜筒所组成。该产品密 封性好,防臭效果极佳,结构简单,更换方便,结构、效 果极其理想。

Description

本实用新型属于带冲洗设备的蹲便器上用的附件技术领域。
以往,蹲便器上用的防臭装置有两种,一种是利用弹簧复位的防臭盖,一种是用薄塑料和带有弹性的塑料支撑片(起弹簧复位的作用)组成的防自盖。这两种均采用弹性复位的原理,都有一个共同的因弹性疲劳而失效的缺点,使用时间有限,而且密封不严,防臭效果不理想,结构复杂,成本高。
本实用新型的目的是克服上述之不足而提供一种密封严、防臭效果好、使用可靠、耐用、结构简单、成本低的一种自封闭式防臭盖。
本实用新型是这样实现的:它具有一个支撑圈,置于蹲便器的出水口处,可为塑料圈、橡胶圈、木制圈、或弹性圈,支撑圈上固定有一个防水薄膜筒,如薄膜状的防水纸筒,最好用塑料薄膜筒,筒长一般≥200mm即可,最佳为250-300mm,既省材,又好用。水可通过自封闭防臭盖流入大便器的下水道,当水停止冲洗的瞬间,由于防臭盖处形成的负压作用及下水道内的空气的反冲作用,使薄膜可靠地自动合拢,薄膜靠其间形成的水膜粘牢而密封。
该密封原理独特、可靠,有效地解决了已有技术密封不严、易泄露的问题,效果好,结构简单,可靠耐用,成本低,达到了予期的发明目的,效果极为理想。
以下结合实施例及其附图加以说明。
图1是本实用新型一个实施例的结构示意图。
图中,1为支撑圈,橡胶制成,可密封地置于蹲便器出口处,2为塑料薄膜筒,长260mm,可牢固地套在支撑圈1下部的凸台上,或用柔绳缚于支撑圈上。均按蹲便器要求的尺寸配作,既整齐、美观,又保证密封。薄膜用久了,可以拆下更换,家用半年以上换个薄膜即可。产品经用户试用,非常满意。

Claims (4)

1、一种自封闭式防臭盖,包括一个支撑圈,其特征在于支撑圈上固定有一个防水薄膜筒。
2、根据权利要求1所述的自封闭式防臭盖,其特征是防水薄膜筒为塑料薄膜筒,筒长≥200mm。
3、根据权利要求2所述的自封闭式防臭盖,其特征是塑料薄膜筒长为250-300mm。
4、根据权利要求1、2或3所述的自封闭式防臭盖,其特征是支撑圈为塑料圈、橡  胶圈、木制圈或弹性圈。
CN 93235443 1993-12-28 1993-12-28 自封闭式防臭盖 Expired - Fee Related CN2182597Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 93235443 CN2182597Y (zh) 1993-12-28 1993-12-28 自封闭式防臭盖

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Application Number Priority Date Filing Date Title
CN 93235443 CN2182597Y (zh) 1993-12-28 1993-12-28 自封闭式防臭盖

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CN2182597Y true CN2182597Y (zh) 1994-11-16

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CN 93235443 Expired - Fee Related CN2182597Y (zh) 1993-12-28 1993-12-28 自封闭式防臭盖

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111297239A (zh) * 2020-02-20 2020-06-19 中国医学科学院北京协和医院 一种一次性马桶式储便袋

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111297239A (zh) * 2020-02-20 2020-06-19 中国医学科学院北京协和医院 一种一次性马桶式储便袋

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