WO2020211235A1 - 一种防逆流马桶 - Google Patents

一种防逆流马桶 Download PDF

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Publication number
WO2020211235A1
WO2020211235A1 PCT/CN2019/102103 CN2019102103W WO2020211235A1 WO 2020211235 A1 WO2020211235 A1 WO 2020211235A1 CN 2019102103 W CN2019102103 W CN 2019102103W WO 2020211235 A1 WO2020211235 A1 WO 2020211235A1
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WO
WIPO (PCT)
Prior art keywords
water
toilet
flushing
cavity
backflow
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PCT/CN2019/102103
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English (en)
French (fr)
Inventor
彭海松
Original Assignee
李晓琰
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Application filed by 李晓琰 filed Critical 李晓琰
Publication of WO2020211235A1 publication Critical patent/WO2020211235A1/zh

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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D9/00—Sanitary or other accessories for lavatories ; Devices for cleaning or disinfecting the toilet room or the toilet bowl; Devices for eliminating smells
    • E03D9/08—Devices in the bowl producing upwardly-directed sprays; Modifications of the bowl for use with such devices ; Bidets; Combinations of bowls with urinals or bidets; Hot-air or other devices mounted in or on the bowl, urinal or bidet for cleaning or disinfecting
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D11/00—Other component parts of water-closets, e.g. noise-reducing means in the flushing system, flushing pipes mounted in the bowl, seals for the bowl outlet, devices preventing overflow of the bowl contents; devices forming a water seal in the bowl after flushing, devices eliminating obstructions in the bowl outlet or preventing backflow of water and excrements from the waterpipe
    • E03D11/13—Parts or details of bowls; Special adaptations of pipe joints or couplings for use with bowls, e.g. provisions in bowl construction preventing backflow of waste-water from the bowl in the flushing pipe or cistern, provisions for a secondary flushing, for noise-reducing
    • E03D11/17—Means for connecting the bowl to the flushing pipe
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D5/00—Special constructions of flushing devices, e.g. closed flushing system
    • E03D5/01—Special constructions of flushing devices, e.g. closed flushing system using flushing pumps
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D2201/00—Details and methods of use for water closets and urinals not otherwise provided for
    • E03D2201/40—Devices for distribution of flush water inside the bowl

Definitions

  • the invention relates to the technical field of sanitary equipment, and in particular to a backflow-proof toilet.
  • the drinking water system in the building and the water supply system in the bathroom are integrated.
  • the sewage in the toilet will spread to the ceramic surface, which will cause the flusher to soak in the sewage.
  • the sewage in the toilet will be pumped back into the water supply system, causing the entire drinking water system to be polluted, which will cause great harm.
  • the present invention provides a backflow-proof toilet, which aims to improve the problem that the drinking water system may be polluted when the toilet is blocked in the prior art.
  • an anti-reverse flow toilet including:
  • the toilet seat is provided with a toilet cavity, a flushing port and a sewage channel respectively communicating with the toilet cavity;
  • a flushing mechanism which includes an anti-backflow component, a control component connected to the anti-backflow component and used to control water flow into the anti-backflow component;
  • the anti-backflow component includes a water inlet and an open cavity communicating with the outside, and Outlet;
  • Water can flow into the water inlet from the control assembly, pass through the open mouth, and flow out from the water outlet to the flushing opening to clean the water flow in the toilet cavity.
  • the anti-backflow component has a first channel for communicating the water inlet and the open cavity, and a second channel for communicating the open cavity and the water outlet;
  • the first The channel includes a jet port communicating with the open cavity, and a jet cavity for communicating the water inlet with the jet port;
  • the second channel includes a socket communicating with the open cavity, and A receiving cavity connected with the socket and the water outlet.
  • the diameter of the jet cavity is larger than the diameter of the jet port, and there is a tapered transition between the jet cavity and the jet port; the diameter of the receiving cavity is greater than that of the socket, so There is a tapered transition between the socket cavity and the socket.
  • the anti-backflow component is a hedge.
  • the flushing mechanism has a flushing aid arranged at the flushing port and communicating with the flushing port, and the flushing aid is in communication with the anti-backflow component.
  • the toilet seat has two flushing openings respectively arranged at the upper and lower parts of the toilet seat; the flushing mechanism has two anti-reverse flow components, and two are respectively arranged at two The flushing aid of the flushing port; the control assembly includes two control valves, and the two control valves are respectively used to control water flow into the two anti-reverse flow assemblies.
  • the flushing port is arranged on the upper part of the toilet seat; the flushing mechanism has the anti-reverse flow assembly and the flushing aid; the control assembly includes one for controlling the flow of water into the toilet seat.
  • the control valve of the anti-backflow component is arranged on the upper part of the toilet seat; the flushing mechanism has the anti-reverse flow assembly and the flushing aid; the control assembly includes one for controlling the flow of water into the toilet seat. The control valve of the anti-backflow component.
  • the toilet seat has two flushing openings respectively arranged on the upper and lower parts of the toilet seat; the flushing mechanism has one of the anti-reverse flow components, and two respectively arranged on the two The flushing aid of the flushing port; the control assembly includes a control valve for controlling the flow of water into the anti-reverse flow assembly.
  • the anti-reverse flow toilet includes a water tank arranged on the toilet seat with a built-in water cavity, the flushing mechanism has a water pump arranged in the water cavity, and the anti-reverse flow component communicates with the water pump.
  • the present invention can achieve the following technical effects:
  • the anti-backflow toilet of the present invention has the function of preventing the sewage in the toilet from flowing back to the domestic water pipeline. Specifically, during normal operation, water can flow from the control component into the water inlet and the first channel in sequence, and generate a water stream ejected from the first channel. The water stream can pass through the open cavity and be injected into the second channel, and is generated from the water outlet Spray to the flusher to clean the water flow in the toilet cavity.
  • the anti-reverse flow toilet of the present invention can prevent the sewage from entering the water supply system when the sewage in the toilet immerses the flusher and the water supply system has negative pressure, thereby avoiding the water supply system being polluted.
  • Figure 1 is a schematic diagram of the structure of the anti-reverse flow toilet in the first embodiment of the present invention
  • FIG. 2 is a schematic diagram of the structure of the anti-backflow component in the first embodiment of the present invention.
  • Figure 3 is a schematic view of the structure of the anti-reverse flow toilet in the second embodiment of the present invention.
  • Figure 4 is a schematic diagram of the structure of the anti-reverse flow toilet in the third embodiment of the present invention.
  • FIG. 5 is a schematic diagram of the structure of the anti-reverse flow toilet in the fourth embodiment of the present invention.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined with “first” and “second” may explicitly or implicitly include one or more of these features. In the description of the present invention, “plurality” means two or more than two, unless specifically defined otherwise.
  • the terms “installed”, “connected”, “connected”, “fixed” and other terms should be understood in a broad sense, for example, it can be a fixed connection or a detachable connection. , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components.
  • installed can be a fixed connection or a detachable connection. , Or integrated; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the internal communication of two components or the interaction relationship between two components.
  • the "above” or “below” of the first feature of the second feature may include the first and second features in direct contact, or may include the first and second features Not in direct contact but through other features between them.
  • “above”, “above” and “above” the second feature of the first feature include the first feature being directly above and obliquely above the second feature, or it simply means that the level of the first feature is higher than the second feature.
  • the “below”, “below” and “below” the first feature of the second feature include the first feature directly below and obliquely below the second feature, or it simply means that the level of the first feature is smaller than the second feature.
  • a backflow-proof toilet includes:
  • the toilet seat 100 is provided with a toilet cavity 110, a flushing port 130 and a sewage channel 120 respectively communicating with the toilet cavity 110;
  • the flushing mechanism 200 includes an anti-backflow component 210 and a control component that is connected to the anti-backflow component 210 and used to control water flow into the anti-backflow component 210;
  • the anti-backflow component 210 includes a water inlet 211 and an open cavity 213 that communicates with the outside. And water outlet 215;
  • the anti-reversal component 210 is a hedge. As shown in FIG. 2, the anti-backflow component 210 has a first channel 212 for communicating the water inlet 211 and the open cavity 213, and a second channel 214 for communicating the open cavity 213 and the water outlet 215.
  • the flushing mechanism 200 has a flushing aid arranged at the flushing port 130 and communicating with the flushing port 130, and the flushing aid is connected with the anti-backflow component 210.
  • the specific working principle of the anti-backflow toilet of this embodiment is as follows:
  • water can flow from the control assembly into the water inlet 211 and the first channel 212 in turn, and generate a water stream emitted from the first channel 212, which can pass through the open cavity 213 and be injected into the second
  • the channel 214 generates a water stream sprayed from the water outlet 215 to clean the toilet cavity 110.
  • S1 is the trajectory of the water flowing through the anti-backflow component 210 when the toilet is normal.
  • the first channel 212 includes a jet port 2122 communicating with the open cavity 213, and a jet cavity 2121 for communicating the water inlet 211 with the jet port 2122;
  • the second channel 214 includes and The socket 2142 communicated with the open cavity 213 and the socket 2141 used to connect the socket 2142 and the water outlet 215.
  • the diameter of the jet cavity 2121 is greater than that of the jet port 2122, and the transition between the jet cavity 2121 and the jet port 2122 is tapered; the diameter of the receiving cavity 2141 is greater than the diameter of the socket 2142, and there is a gap between the socket 2141 and the socket 2142.
  • the structure that the diameter of the jet cavity 2121 is larger than that of the jet port 2122 allows the water pressure to be increased when the water flows from the first channel 212 to the open cavity 213, so that the water jetted from the jet port 2122 can pass through the open cavity 213.
  • the tapered transition structure between the jet cavity 2121 and the jet port 2122 can reduce the loss of water flow energy when the water flows from the jet cavity 2121 to the jet port 2122.
  • the anti-reverse flow toilet further has a cover plate 300 disposed on the toilet seat 100, and the toilet cavity 110 is a pot-shaped cavity to facilitate the discharge of sewage through the sewage channel 120.
  • the cover plate 300 is the prior art in the field and will not be repeated here.
  • the toilet seat 100 has two flushing ports 130 respectively arranged at the upper and lower portions of the toilet seat 100.
  • the flushing mechanism 200 has two anti-backflow components 210 and two flushing aids 230 respectively disposed at the two flushing ports 130.
  • the control assembly includes two control valves 220, and the two control valves 220 are respectively used to control water flow into the two anti-reverse flow components 210.
  • the two flushing aids 230 respectively face the upper edge of the toilet cavity 110 and the sewage channel 120, so that the dirt in the toilet cavity 110 can be removed more conveniently.
  • the control valve 220 may be a throttle valve or a solenoid valve.
  • control valve 220 may be another valve body that controls the water to enter the anti-reverse flow component 210, which will not be repeated here.
  • the flushing aid 230 is the prior art in the art, and will not be repeated here.
  • the anti-backflow toilet of this embodiment can prevent the sewage from entering the water supply system when the sewage of the toilet immerses the flusher 230 and the water supply system has negative pressure, thereby avoiding the water supply system from being polluted.
  • the toilet seat 100 has a flushing port 130 disposed on the upper part of the toilet seat.
  • the flushing mechanism 200 has an anti-backflow component 210 and a flushing aid 230 connected to the anti-backflow component 210, and the flushing aid 230 is disposed in the flushing port 130.
  • the control assembly includes a control valve 220 for controlling the flow of water into the anti-reverse flow assembly 210.
  • control valve 220 may be a throttle valve or a solenoid valve. In another embodiment, the control valve 220 may be another valve body that controls the water to enter the anti-reverse flow component 210, which will not be repeated here.
  • the structure of the anti-backflow component 210 and its working principle of eliminating negative pressure in the water supply system are the same as those in the first embodiment, and will not be repeated here.
  • the toilet seat 100 has two flushing ports 130 respectively arranged at the upper and lower portions of the toilet seat 100; the flushing mechanism 200 has an anti-reverse flow assembly 210, and two flushing ports 130 respectively arranged at two The flushing aid 230 of the flushing port 130; the control assembly includes a control valve 220 for controlling the flow of water into the anti-reverse flow assembly 210.
  • the two flushing aids 230 respectively face the upper edge of the toilet cavity 110 and the sewage channel 120, so that dirt in the toilet cavity 110 can be removed more conveniently.
  • control valve 220 may be a throttle valve or a solenoid valve. In another embodiment, the control valve 220 may be another valve body that controls the water to enter the anti-reverse flow component 210, which will not be repeated here.
  • the structure of the anti-backflow component 210 and its working principle of eliminating negative pressure in the water supply system are the same as those in the first embodiment, and will not be repeated here.
  • the anti-backflow toilet includes a water tank 400 disposed on the toilet seat 100 and a built-in water cavity.
  • the flushing mechanism 200 has a water pump 240 disposed in the water cavity, and the anti-backflow component 210 is in communication with the water pump 240. .
  • the water tank 400 is connected to the water supply system, and the water flow into the anti-backflow component 210 can be controlled by controlling the opening and closing of the water pump 240.
  • the structure of the anti-backflow component 210 and its working principle of eliminating negative pressure in the water supply system are the same as those in the first embodiment, and will not be repeated here.

Abstract

本发明提供了一种防逆流马桶，涉及卫浴设备技术领域。其中，这种马桶包含马桶座和冲洗机构。马桶座具有马桶腔，以及和马桶腔分别相连通的冲水口和排污通道。冲洗机构具有防逆流组件，以及用以控制水流进入防逆流组件的控制组件。防逆流组件包括进水口、和外界相连通的敞口腔、出水口。水能够自控制组件流入进水口，并产生射出的水流，该水流能够穿过敞口腔并射出至出水口，水能够自出水口流至冲水口，以清洁马桶腔的。当供水系统存在负压时，空气能够从敞口腔进入，消除供水系统的负压，防止马桶腔内的污水进入供水系统。

Description

一种防逆流马桶 技术领域
本发明涉及卫浴设备技术领域，具体而言，涉及一种防逆流马桶。
背景技术
目前，建筑物内的饮用水系统和卫浴设置的供水系统是合在一起的。当马桶排污管道堵塞，马桶中的污水会蔓延到陶瓷面，会导致助冲器浸泡在污水中。此时，如生活用水管道中存有负压，就会把马桶中的污水回抽到供水系统中，导致整个饮用水系统被污染，将产生巨大危害。
有鉴于此，发明人在研究了现有的技术后特提出本申请。
技术问题
本发明提供了一种防逆流马桶，旨在改善现有技术中，马桶发生堵塞时，有可能导致饮用水系统被污染的问题。
技术解决方案
为解决上述技术问题，本发明提供了一种防逆流马桶，包含：
马桶座，其设置有马桶腔，以及和所述马桶腔分别相连通的冲水口和排污通道；
冲洗机构，其包括防逆流组件、和所述防逆组件相连通且用以控制水流进入所述防逆流组件的控制组件；所述防逆流组件包括进水口、和外界相连通的敞口腔，以及出水口；
水能够自所述控制组件流入所述进水口，穿过所述敞口腔，并自所述出水口流出至所述冲水口，以清洁所述马桶腔的水流。
作为进一优化，所述防逆流组件具有用以连通所述进水口和所述敞口腔的第一通道，以及用以连通所述敞口腔和所述出水口的第二通道；所述第一通道包括和所述敞口腔相连通的射流口，以及用以连通所述进水口和所述射流口的射流腔；所述第二通道包括和所述敞口腔相连通的承接口，以及用以连通所述承接口和所述出水口的承接腔。
作为进一优化，所述射流腔的口径大于所述射流口的口径，所述射流腔和所述射流口之间呈锥形过渡；所述承接腔的口径大于所述承接口的口径，所述承接腔和所述承接口之间呈锥形过渡。
作为进一优化，所述防逆流组件为对冲器。
作为进一优化，所述冲洗机构具有设置在所述冲水口且和所述冲水口相连通的助冲器，该助冲器和所述防逆流组件相连通。
作为进一优化，所述马桶座具有两个分别配置在所述马桶座上部和下部的所述冲水口；所述冲洗机构具有两个所述防逆流组件，以及两个分别配置在两个所述冲水口的助冲器；所述控制组件包括两个控制阀，该两个所述控制阀分别用以控制水流进入两个所述防逆流组件。
作为进一优化，所述冲水口配置在所述马桶座的上部；所述冲洗机构具有一个所述防逆流组件，以及一个所述助冲器；所述控制组件包括一个用以控制水流进入所述防逆流组件的控制阀。
作为进一优化，所述马桶座具有两个分别配置在所述马桶座上部和下部的所述冲水口；所述冲洗机构具有一个所述防逆流组件，以及两个分别配置在两个所述冲水口的助冲器；所述控制组件包括一个用以控制水流进入所述防逆流组件的控制阀。
作为进一优化，所述防逆流马桶包含配置在所述马桶座且内置水腔的水箱，所述冲洗机构具 有配置在所述水腔的水泵，所述防逆流组件和所述水泵相连通。
有益效果
通过采用上述技术方案，本发明可以取得以下技术效果：
本发明的防逆流马桶，具有防止马桶的污水逆流到生活用水管道的作用。具体地，正常工作时，水能够自控制组件依次流入进水口和第一通道，并产生自第一通道射出的水流，该水流能够穿过敞口腔并射入第二通道，并产生自出水口喷出至助冲器，以清洁马桶腔的水流。当马桶发生堵塞，导致马桶内的污水浸没助冲器，且此时供水系统存在负压时，由于射流口和承接口不是直接相连通，而是通过和外界相通的敞口腔相连通，因此供水系统的负压会通过敞口腔吸取外界的空气，而不会从承接口吸取外部的污水，以达到减小和消除供水系统中的负压。即：供水系统不会吸取马桶腔内的污水。
通过上述技术手段，本发明的防逆流马桶，可以在马桶的污水浸没助冲器，且供水系统存在负压时，防止污水进入供水系统，避免了供水系统被污染的情况。
附图说明
为了更清楚地说明本发明实施方式的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本发明的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1是本发明第一实施例，防逆流马桶的结构示意图；
图2是本发明第一实施例，防逆流组件的结构示意图；
图3是本发明第二实施例，防逆流马桶的结构示意图；
图4是本发明第三实施例，防逆流马桶的结构示意图；
图5是本发明第四实施例，防逆流马桶的结构示意图；
图中标记：100-马桶座；200-冲洗机构；300-盖板；400-水箱；110-马桶腔；120-排污通道；130-冲水口；210-防逆流组件；220-控制阀；230-助冲器；240-水泵；211-进水口；212-第一通道；213-敞口腔；214-第二通道；215-出水口；2121-射流腔；2122-射流口；2141-承接腔；2142-承接口。
本发明的实施方式
为使本发明实施方式的目的、技术方案和优点更加清楚，下面将结合本发明实施方式中的附图，对本发明实施方式中的技术方案进行清楚、完整地描述，显然，所描述的实施方式是本发明一部分实施方式，而不是全部的实施方式。基于本发明中的实施方式，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施方式，都属于本发明保护的范围。因此，以下对在附图中提供的本发明的实施方式的详细描述并非旨在限制要求保护的本发明的范围，而是仅仅表示本发明的选定实施方式。基于本发明中的实施方式，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施方式，都属于本发明保护的范围。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”、“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的设备或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或 者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。
在本发明中，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”、“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本发明中的具体含义。
在本发明中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
下面结合附图与具体实施方式对本发明作进一步详细描述：
第一实施例：
由图1和图2所示，在本实施例中，一种防逆流马桶，包含：
马桶座100，其设置有马桶腔110，以及和马桶腔110分别相连通的冲水口130和排污通道120；
冲洗机构200，其包括防逆流组件210、和防逆组件210相连通且用以控制水流进入防逆流组件210的控制组件；防逆流组件210包括进水口211、和外界相连通的敞口腔213，以及出水口215；
水能够自控制组件流入进水口211，穿过敞口腔213，并自出水口215流出至冲水口130，以清洁马桶腔110的水流。在本实施例中，防逆组件210为对冲器。由图2所示，防逆流组件210具有用以连通进水口211和敞口腔213的第一通道212，以及用以连通敞口腔213和出水口215的第二通道214。
由图1所示，在本实施例中，冲洗机构200具有设置在冲水口130且和冲水口130相连通的助冲器，该助冲器和防逆流组件210相连通。本实施例的防逆流马桶，具体工作原理如下：
由图2所示，正常工作时，水能够自控制组件依次流入进水口211和第一通道212，并产生自第一通道212射出的水流，该水流能够穿过敞口腔213并射入第二通道214，并产生自出水口215喷出以清洁马桶腔110的水流。图2中，S1即为马桶正常时，水流通过防逆流组件210的轨迹。
当马桶发生堵塞，导致马桶内的污水浸没助冲器230，且此时供水系统存在负压时，由于射流口2122和承接口2142不是直接相连通，而是通过和外界相通的敞口腔213相连通，因此供水系统的负压会通过敞口腔213吸取外界的空气，而不会从承接口2142吸取外部的污水，以达到减小和消除供水系统中的负压。即：供水系统不会吸取马桶腔110内的污水。图2中，S2即为马桶发生堵塞时，马桶在消除除供水系统中的负压时，空气进入防逆流组件210的轨迹。
由图2所示，在本实施例中，第一通道212包括和敞口腔213相连通的射流口2122，以及用以连通进水口211和射流口2122的射流腔2121；第二通道214包括和敞口腔213相连通的承接口2142，以及用以连通承接口2142和出水口215的承接腔2141。
其中，射流腔2121的口径大于射流口2122的口径，射流腔2121和射流口2122之间呈锥形过渡；承接腔2141的口径大于承接口2142的口径，承接腔2141和承接口2142之 间呈锥形过渡。射流腔2121的口径大于射流口2122的口径的结构，可以让水自第一通道212流到敞口腔213时水压可以变大，便于从射流口2122射出的水穿过敞口腔213。而射流腔2121和射流口2122之间呈锥形过渡的结构，可以让水自射流腔2121到射流口2122时，减小水流动能的损失。
由图1所示，在本实施例中，防逆流马桶还具有配置在马桶座100的盖板300，马桶腔110为锅状容腔，便于污水由排污通道120排出。其中，盖板300为本领域现有技术在此不再赘述。
此外，由图1所示，在本实施例中，马桶座100具有两个分别配置在马桶座100上部和下部的冲水口130。冲洗机构200具有两个防逆流组件210，以及两个分别配置在两个冲水口130的助冲器230。控制组件包括两个控制阀220，该两个控制阀220分别用以控制水流进入两个防逆流组件210。其中，两个助冲器230分别对着马桶腔110的上沿和排污通道120，可以更加方便的清除马桶腔110内的污物。在本实施例中，控制阀220可以是节流阀或者电磁阀。在另一实施例中，控制阀220可以是其他控制水进入防逆流组件210的阀体，在此不再赘述。同时，在本实施例中，助冲器230为本领域现有技术在此不再赘述。
通过以上技术方案，本实施例的防逆流马桶，可以在马桶的污水浸没助冲器230，且供水系统存在负压时，防止污水进入供水系统，避免了供水系统被污染的情况。
第二实施例：
由图3所示，在本实施例中，马桶座100具有一个配置在其上部的冲水口130。冲洗机构200具有一个防逆流组件210，以及一个和防逆流组件210相连通的助冲器230，该助冲器230配置在冲水口130中。控制组件包括一个用以控制水流进入防逆流组件210的控制阀220。
在本实施例中，控制阀220可以是节流阀或者电磁阀。在另一实施例中，控制阀220可以是其他控制水进入防逆流组件210的阀体，在此不再赘述。其中，防逆流组件210的结构和其消除供水系统中的负压的工作原理，同第一实施例，在此不再赘述。
第三实施例：
由图4所示，在本实施例中，马桶座100具有两个分别配置在马桶座100上部和下部的冲水口130；冲洗机构200具有一个防逆流组件210，以及两个分别配置在两个冲水口130的助冲器230；控制组件包括一个用以控制水流进入防逆流组件210的控制阀220。两个助冲器230分别对着马桶腔110的上沿和排污通道120，可以更加方便的清除马桶腔110内的污物。
在本实施例中，控制阀220可以是节流阀或者电磁阀。在另一实施例中，控制阀220可以是其他控制水进入防逆流组件210的阀体，在此不再赘述。其中，防逆流组件210的结构和其消除供水系统中的负压的工作原理，同第一实施例，在此不再赘述。
第四实施例：
由图5所示，在本实施例中，防逆流马桶包含配置在马桶座100且内置水腔的水箱400，冲洗机构200具有配置在水腔的水泵240，防逆流组件210和水泵240相连通。水箱400和供水系统相连通，通过控制水泵240的开启和关闭可以达到控制水流进入防逆流组件210。其中，防逆流组件210的结构和其消除供水系统中的负压的工作原理，同第一实施例，在此不再赘述。
以上所述仅为本发明的优选实施方式而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。

Claims (9)

  1. 一种防逆流马桶，其特征在于，包含：
    马桶座(100)，其设置有马桶腔(110)，以及和所述马桶腔(110)分别相连通的冲水口(130)和排污通道(120)；
    冲洗机构(200)，其包括防逆流组件(210)、和所述防逆组件(210)相连通且用以控制水流进入所述防逆流组件(210的控制组件；所述防逆流组件(210)包括进水口(211)、和外界相连通的敞口腔(213)，以及出水口(215)；
    水能够自所述控制组件流入所述进水口(211)，穿过所述敞口腔(213)，并自所述出水口(215)流出至所述冲水口(130)，以清洁所述马桶腔(110)的水流。
  2. 根据权利要求1所述的一种防逆流马桶,其特征在于,所述防逆流组件(210)具有用以连通所述进水口(211)和所述敞口腔(213)的第一通道(212)，以及用以连通所述敞口腔(213)和所述出水口(215)的第二通道(214)；
    所述第一通道(212)包括和所述敞口腔(213)相连通的射流口(2122)，以及用以连通所述进水口(211)和所述射流口(2122)的射流腔(2121；所述第二通道(214)包括和所述敞口腔(213)相连通的承接口(2142)，以及用以连通所述承接口(2142)和所述出水口(215)的承接腔(2141)。
  3. 根据权利要求2所述的一种防逆流马桶,其特征在于,所述射流腔(2121)的口径大于所述射流口(2122)的口径，所述射流腔(2121)和所述射流口(2122)之间呈锥形过渡；所述承接腔(2141)的口径大于所述承接口(2142)的口径，所述承接腔(2141)和所述承接口(2142)之间呈锥形过渡。
  4. 根据权利要求1所述的一种防逆流马桶,其特征在于,所述防逆流组件(210)为对冲器。
  5. 根据权利要求1所述的一种防逆流马桶,其特征在于,所述冲洗机构(200)具有设置在所述冲水口(130)且和所述冲水口(130)相连通的助冲器，该助冲器和所述防逆流组件(210)相连通。
  6. 根据权利要求5所述的一种防逆流马桶,其特征在于,所述马桶座(100)具有两个分别配置在所述马桶座(100)上部和下部的所述冲水口(130)；所述冲洗机构(200)具有两个所述防逆流组件(210)，以及两个分别配置在两个所述冲水口(130)的助冲器(230)；所述控制组件包括两个控制阀(220)，该两个所述控制阀(220)分别用以控制水流进入两个所述防逆流组件(210)。
  7. 根据权利要求5所述的一种防逆流马桶,其特征在于,所述冲水口(130)配置在所述马桶座(100)的上部；所述冲洗机构(200)具有一个所述防逆流组件(210)，以及一个所述助冲器(230)；所述控制组件包括一个用以控制水流进入所述防逆流组件(210)的控制阀(220)。
  8. 根据权利要求5所述的一种防逆流马桶,其特征在于,所述马桶座(100具有两个分别配置在所述马桶座(100)上部和下部的所述冲水口(130)；所述冲洗机构(200)具有一个所述防逆流组件(210)，以及两个分别配置在两个所述冲水口(130)的助冲器(230)；所述控制组件包括一个用以控制水流进入所述防逆流组件(210)的控制阀(220)。
  9. 根据权利要求1所述的一种防逆流马桶,其特征在于,所述防逆流马桶包含配置在所述马桶座(100)且内置水腔的水箱(400)，所述冲洗机构(200)具有配置在所述水腔的水泵(240)，所述防逆流组件(210)和所述水泵(240)相连通。
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