CN200952603Y - 进水阀防虹吸结构 - Google Patents

进水阀防虹吸结构 Download PDF

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Publication number
CN200952603Y
CN200952603Y CN 200620088100 CN200620088100U CN200952603Y CN 200952603 Y CN200952603 Y CN 200952603Y CN 200620088100 CN200620088100 CN 200620088100 CN 200620088100 U CN200620088100 U CN 200620088100U CN 200952603 Y CN200952603 Y CN 200952603Y
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siphon
utility
water
model
inlet
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CN 200620088100
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王兵
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Xiamen R&T Plumbing Technology Co Ltd
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R&T (XIAMEN) PLUMBING Inc
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Abstract

本实用新型旨在提出一种进水阀防虹吸结构,能从根本上有效防止虹吸和倒流,保证供水水源的洁净。本实用新型的进水阀防虹吸结构,含进水本体、压盖、设于出水口上方的防虹吸胶垫和进水盖,其特征在于:压盖与进水本体卡合后,之间形成两个通道,一个为进气通道,另一个为出水通道。本实用新型在现有技术基础上,在出水口外侧设有与进水管连通的进气通道;当供水管路断水时,通过独立的进气通道直接将空气导入出水管,平衡其压力,同时出水口的防虹吸胶垫起到出水通道与进水通道的隔离作用。从根本上避免虹吸和倒流。

Description

进水阀防虹吸结构
技术领域
本实用新型涉及一种进水阀防虹吸结构,适用于水箱进水阀的防虹吸和防倒流。
背景技术
现有水箱进水阀在防虹吸和防倒流功能优劣不同,有的不具备防虹吸和防倒流功能;有的因结构不合理,防虹吸能力较低,达不到国家标准要求。中国专利03217430.6公开的名称为:一种进水阀的防虹吸结构,采用分流片将进水道和出水道分隔开,具备较好的防虹吸和防倒流功能。然而,还是未从根本上解决虹吸和倒流问题。
实用新型内容
本实用新型旨在提出一种进水阀防虹吸结构,能从根本上有效防止虹吸和倒流,保证供水水源的洁净。
本实用新型的进水阀防虹吸结构,含进水本体、压盖、设于出水口上方的防虹吸胶垫和进水盖,其特征在于:压盖与进水本体卡合后,之间形成两个通道,一个为进气通道,另一个为出水通道。
虹吸和倒流现象是由于供水管路断水,而水箱又注满水时,进水管内形成一定程度的真空引起。本实用新型在现有技术基础上,在出水口外侧设有与进水管连通的进气通道;当供水管路断水时,通过独立的进气通道直接将空气导入出水管,平衡其压力,同时出水口的防虹吸胶垫起到出水通道与进水通道的隔离作用。从根本上避免虹吸和倒流。本实用新型结构简单紧凑,能有效防止虹吸和倒流,避免水源污染。
附图说明
图1为本实用新型实施例组装图;
图2为本实用新型实施例配件分解图;
图3为本实用新型之虹吸和倒流状态图。
其中:1.浮桶,2.进水本体,3.抬杆,4.压盖,5.防虹吸胶垫,6.进水水道,7.进气孔,7a气流方向,8.进水管,9.出水管,9a出水口,10.止水杯,11.止水胶垫,12.螺杆。
具体实施方式
以下结合实施例和附图对本实用新型进一步说明。如图2,各部件依次连接后组成本实施例的进水本体(如图1)。当处于进水状态时,止水胶垫11外移,水流经出水口9a向上喷流,并将防虹吸胶垫5顶起;水流在压盖4作用下,从出水管9流入水箱,完成注水过程。
如图3,当水箱注满水,且进水管因断水形成一定真空时,防虹吸胶垫5自然下落,封住出水口9a,由于真空作用,防虹吸胶垫5与出水口9a贴合紧密,可防止水箱内的水从出水口9a进入进水管8,防止虹吸和倒流;另一方面,空气从进气孔7进入进水管8,平衡气压,防止虹吸和倒流,污染水源。本实用新型结构简单,可从根本上解决虹吸和倒流问题。

Claims (1)

1.进水阀防虹吸结构,含进水本体、压盖、设于出水口上方的防虹吸胶垫和进水盖,其特征在于:压盖与进水本体卡合后,之间形成两个通道,一个为进气通道,另一个为出水通道。
CN 200620088100 2006-08-17 2006-08-17 进水阀防虹吸结构 Expired - Lifetime CN200952603Y (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 200620088100 CN200952603Y (zh) 2006-08-17 2006-08-17 进水阀防虹吸结构

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 200620088100 CN200952603Y (zh) 2006-08-17 2006-08-17 进水阀防虹吸结构

Publications (1)

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CN200952603Y true CN200952603Y (zh) 2007-09-26

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CN 200620088100 Expired - Lifetime CN200952603Y (zh) 2006-08-17 2006-08-17 进水阀防虹吸结构

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103090045A (zh) * 2011-10-28 2013-05-08 林文斌 一种双出水水箱进水阀

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103090045A (zh) * 2011-10-28 2013-05-08 林文斌 一种双出水水箱进水阀

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C56 Change in the name or address of the patentee

Owner name: XIAMEN R + T PLUMBING TECHNOLOGY CO., LTD.

Free format text: FORMER NAME: RUIERTE HYGIENIC BATHING INDUSTRY CO., LTD., XIAMEN

CP01 Change in the name or title of a patent holder

Address after: 361026 Yangming Road No. 18, Xinyang Industrial Area, Haicang District, Fujian, Xiamen

Patentee after: Xiamen R & T Bathroom Technology Co., Ltd.

Address before: 361026 Yangming Road No. 18, Xinyang Industrial Area, Haicang District, Fujian, Xiamen

Patentee before: R&T (Xiamen) Plumbing Inc.

CX01 Expiry of patent term

Granted publication date: 20070926

EXPY Termination of patent right or utility model