WO2023019867A1 - 一种节约空间的冲刷装置及坐便器 - Google Patents

一种节约空间的冲刷装置及坐便器 Download PDF

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Publication number
WO2023019867A1
WO2023019867A1 PCT/CN2021/144013 CN2021144013W WO2023019867A1 WO 2023019867 A1 WO2023019867 A1 WO 2023019867A1 CN 2021144013 W CN2021144013 W CN 2021144013W WO 2023019867 A1 WO2023019867 A1 WO 2023019867A1
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WIPO (PCT)
Prior art keywords
water
pipe section
flushing
outlet pipe
section
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Ceased
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PCT/CN2021/144013
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English (en)
French (fr)
Inventor
谢炜
黄海
刘梓光
刘旺霞
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Arrow Home Group Co Ltd
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Arrow Home Group Co Ltd
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Publication of WO2023019867A1 publication Critical patent/WO2023019867A1/zh
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    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03D—WATER-CLOSETS OR URINALS WITH FLUSHING DEVICES; FLUSHING VALVES THEREFOR
    • E03D1/00—Water flushing devices with cisterns ; Setting up a range of flushing devices or water-closets; Combinations of several flushing devices
    • E03D1/38—Adaptations or arrangements of flushing pipes
    • 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
    • E03D11/02—Water-closet bowls ; Bowls with a double odour seal optionally with provisions for a good siphonic action; siphons as part of the bowl
    • E03D11/06—Bowls with downwardly-extending flanges for the sake of flushing
    • 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

Definitions

  • the invention relates to the technical field of toilet flushing, in particular to a space-saving flushing device and a toilet.
  • the appearance of the integrated design of intelligent toilet products is more and more popular in the market.
  • the integrated design of intelligent toilet products has higher and higher requirements for internal functional components.
  • the anti-siphon structure that meets the standard requirements takes up a lot of space in the machine core, causing many restrictions and difficulties to the appearance design and internal layout of the smart toilet.
  • the following requirements must be met between the water inlet valve body and the water tank, or between the direct water supply pipeline and the working water level of the toilet: both when the water inlet valve or the direct water supply pipeline starts to generate siphon and when the siphon completely ends
  • the lowest water level is the critical water level (CL line). Below the critical water level is the safe area. At this time, when the water level in the water tank or the water level of the toilet seat is lower than the critical water level, and the vertical distance between them is greater than 25cm, no siphon occurs. possible.
  • the technical problem to be solved by the present invention is to provide a space-saving flushing device, which has a simple structure, takes up little space, and can effectively prevent siphonage.
  • the present invention provides a space-saving flushing device, which includes a water pipe, a switching unit, and a first flushing pipe and a second flushing pipe connected to the switching unit;
  • the water pipe is provided with a water inlet pipe section, a transition section, and a water outlet pipe section that communicate with each other, and a water retaining part is provided in the transition section, and the water retaining part has a predetermined height to prevent part of the water flow from flowing into the water outlet pipe section;
  • the switching unit is arranged on the water outlet pipe section and communicated with the water outlet pipe section, and the switching unit switches the direction of the water outlet of the water outlet pipe section to cut off or connect the first flushing pipe or the water outlet pipe.
  • the distance between the top surface of the water retaining part and the top surface of the water pipe is 10-25mm.
  • the water retaining part is arranged obliquely, and the top surface of the water retaining part is provided with an arc-shaped water guiding structure.
  • the water inlet pipe section and the water outlet pipe section are arranged side by side, and the transition section is arranged at the top of the water inlet pipe section and the water outlet pipe section;
  • the water retaining part is a water retaining plate arranged in the transition section.
  • the water inlet pipe section is arranged inside the water outlet pipe section, and the transition section is arranged on the top of the water inlet pipe section and the water outlet pipe section,
  • the water retaining part is a water retaining ring sheathed outside the water inlet pipe section.
  • the transition section is connected with a connection end, and the connection end is provided with an air inlet channel; an anti-siphon unit is provided between the water inlet pipe section and the water outlet pipe section;
  • the anti-siphon unit can be driven to slide upwards to fit with the connection end, so that the water inlet pipe section and the water outlet pipe section can communicate with each other;
  • the anti-siphon unit can be driven to slide downward to reset, so that the air inlet channel communicates with the water outlet pipe section to prevent siphon.
  • the anti-siphon unit includes a water end, a partition and an insertion end, the upper surface of the partition is provided with a sealing member; the water end is provided with a water hole, and the insertion The end is provided with an air intake hole;
  • the water inlet pipe section is provided with an installation hole adapted to the water outlet, and the connecting end is provided with an insertion hole adapted to the insertion end;
  • the distance between the top surface of the insertion hole and the bottom surface of the installation hole is smaller than the distance between the bottom surface of the water port and the top surface of the sealing component.
  • the water inlet pipe section is provided with a switch unit; the side wall of the water outlet pipe section is provided with the switch unit.
  • the switching unit includes a first switching valve body, a switching switch arranged on the first switching valve body, and a switching piece connected with the switching switch; There are water diversion chambers, and the water diversion chambers are respectively connected to the first flushing pipe and the second flushing pipe; the switching piece can switch the water diversion chambers to communicate with the corresponding flushing pipes respectively;
  • the switching unit includes a second switching valve body, a second water dividing chamber and a third water dividing chamber arranged on the second switching valve body, and a first water dividing chamber arranged in the second water dividing chamber.
  • the solenoid valve and the second solenoid valve located in the third water distribution cavity.
  • the flushing pipe is provided with a noise reduction unit, and the noise reduction unit includes an enlarged diameter section provided on the flushing pipe;
  • the noise reduction unit includes an exhaust part provided on the flush pipe, and the exhaust part includes an exhaust pipe and an exhaust valve.
  • the present invention also provides a toilet, comprising a toilet body, a first flushing nozzle and a second flushing nozzle arranged on the toilet body, and the toilet according to any one of claims 1-9.
  • a space-saving flushing device, the flushing device is arranged on the toilet body;
  • the first flushing nozzle is connected to the first flushing pipe, and the second flushing nozzle is connected to the second flushing pipe.
  • the water inlet pipe is divided into the water inlet pipe section, the transition section and the water outlet pipe section, the water inlet pipe section and the water outlet pipe section are connected through the transition section, and one waterway is used to replace the two waterways of the traditional structure, and a waterway is installed in the transition section.
  • There is a water retaining part and the water retaining part can prevent part of the water flow in the pipe from flowing into the outlet pipe section when the water pipe is switched from the water-through state to the non-water-through state, and then raise the position of the critical water level in the water pipe to meet the critical value of anti-siphon.
  • connection between the outlet pipe section and the first flush pipe or the second flush pipe can be directly switched through the switching unit to supply water to the brush ring, the spray hole at the bottom of the urinal, and the water supply to the movement, without using a water tank, thereby further saving The required installation space for the device.
  • Fig. 1 is the overall schematic diagram of the first embodiment of the flushing device involved in the present invention
  • Fig. 2 is an assembly schematic diagram of the first embodiment of the flushing device involved in the present invention
  • Fig. 3 is a water flow state diagram of the first embodiment of the flushing device involved in the present invention.
  • Fig. 4 is a diagram of the waterless state of the first embodiment of the flushing device involved in the present invention.
  • Fig. 5 is a half-sectional view of a second embodiment of the flushing device involved in the present invention.
  • Fig. 6 is a half-sectional view of another embodiment of the switching unit of the flushing device according to the present invention.
  • Fig. 7 is a half sectional view of another embodiment of the noise reduction unit of the flushing device according to the present invention.
  • the present invention provides a space-saving flushing device, comprising a water pipe 1, a switching unit 3, and a first flushing pipe 4a and a second flushing pipe 4b communicating with the switching unit 3 ;
  • the water pipe 1 is provided with a water inlet pipe section 11, a transition section 12, and a water outlet pipe section 13 which communicate with each other.
  • a switch unit 2 is installed on the water inlet pipe section 11 and communicated with each other.
  • a connecting terminal 14 is installed on the transition section 12 and communicated with it.
  • the transition section 12 is provided with a water retaining part 5, and the water retaining part 5 is a baffle with a predetermined height to prevent part of the water flow from flowing into the outlet pipe section 13;
  • the switching unit 3 is arranged on the water outlet pipe section 13 and communicated with the water outlet pipe section 13.
  • the switching unit 3 switches the direction of the water outlet of the water outlet pipe section 13 to cut off or communicate with the first water outlet pipe section 13. Water supply between a flush water pipe 4 a or the second flush water pipe 4 b and the water outlet pipe section 13 .
  • the switching unit 3 can switch the water outlet of the water inlet waterway, respectively corresponding to connected to the first flush pipe 4a or the second flush pipe 4b.
  • the first flushing pipe 4a or the second flushing pipe 4b is not limited to supply water to the brush ring, the spray hole at the bottom of the urinal and the movement.
  • the connecting end 14 is detachably connected to the transition section 12 , and the connecting end 14 has an air inlet passage 15 communicating with the external atmosphere.
  • the national standard stipulates the critical water level value of the water inlet pipe 1 or the water inlet valve, which requires that the distance between the lowest water level in the transition section 12 and the working water level of the toilet is not less than the critical water level value.
  • the transition section 12 is provided with the water retaining part 5, and when the water pipe 1 is switched from a water-passing state to a non-water-passing state, the water retaining part 5 can block the flow of water in the transition section 12.
  • the water supply outlet of the device can be directly switched through the switching unit 3 to supply water to the brush ring, the spray hole at the bottom of the urinal and the movement, reducing the need for setting flush water tanks, simplifying the water supply structure of the toilet, and having good reliability.
  • the valve body of the switching unit 3 is integrally formed with the outlet pipe section 13 to reduce the space occupied by the switching unit 3 and reduce the overall size of the device.
  • the distance between the top surface of the water retaining part 5 and the top surface of the connection end 14 is preferably 10-25 mm, and in other embodiments, this distance can be set according to actual needs. Within the range of this height value, if sufficient water supply can be satisfied, the position of the CL line should be raised as much as possible to reduce the overall size of the device.
  • the water retaining part 5 is arranged obliquely, and an arc-shaped water guide structure 51 is provided on the top surface of the water retaining part 5 .
  • the arc-shaped water-guiding structure 51 includes an arc-shaped water-guiding surface, and the arc-shaped water-guiding surface can change the flow direction of the water flow when it crosses the water retaining part 5, and reduce the collision between the water flow and the pipe wall, thereby reducing the occurrence of turbulent flow and improving The smoothness of the water flow; at the same time, it can reduce the noise.
  • the water inlet pipe section 11 and the water outlet pipe section 13 are arranged side by side, and the transition section 12 is arranged at the top of the water inlet pipe section 11 and the water outlet pipe section 13
  • the water inlet pipe section 11 and the water outlet pipe section 13 are arranged vertically, and the transition section 12 is arranged on the top of the water inlet pipe section 11 and the water outlet pipe section 13, and communicates with the water inlet pipe section 11 and outlet pipe section 13.
  • the water blocking part 5 is a vertical baffle and is arranged between the top ends of the water inlet pipe section 11 and the water outlet pipe section 13 .
  • the water inlet pipe section 11 is arranged inside the water outlet pipe section 13, and the transition section 12 is arranged between the water inlet pipe section 11 and the water outlet pipe section.
  • the water retaining part 5 is a water retaining ring 52 sleeved outside the water inlet pipe section 11. Specifically, by socketing the water inlet pipe section 11 and the water outlet pipe section 13, the cross-sectional area of the device can be reduced, which is convenient for optimizing the layout of the movement and providing a larger avoidance space.
  • the water retaining ring 52 is detachably connected to the water inlet pipe section 11 .
  • the structure of the water blocking part 5 is not limited to the embodiment of the above water blocking plate and the water blocking ring 52 . In other embodiments, the water blocking part 5 only needs to be a structure capable of blocking part of the water flow.
  • an anti-siphon unit 6 is provided between the water inlet pipe section 11 and the water outlet pipe section 13;
  • the water inlet pipe section 11 communicates with the water outlet pipe section 13 for water flow; alternatively, the anti-siphon unit 6 can be driven to slide down and reset so that the air inlet passage 15 communicates with the water outlet pipe section 13 to prevent siphoning.
  • the anti-siphon unit 6 is pre-installed on the top of the water inlet pipe section 11 .
  • the top of the anti-siphon unit 6 moves up to fit the inner wall of the connecting end 14, thereby blocking the air inlet passage 15; 11 is disconnected from the water flow of the water outlet pipe section 13, the anti-siphon unit 6 falls back to the initial position, so that the water outlet pipe section 13 communicates with the air inlet channel 15 for air intake, thereby preventing sewage from flowing back.
  • the anti-siphon unit 6 includes a water end 61 , a partition 62 and an insertion end 63 , the upper surface of the partition 62 is provided with a sealing member 64 ; the water end 61 is provided with a water hole 611 .
  • the anti-siphon unit 6 is installed on the top of the water inlet pipe section 11, and the water-through end 61 is inserted into the water inlet pipe section 11. After the anti-siphon unit 6 is lifted up by the water flow, the insertion end 63 Inserted into the connection end 14, the water flows into the water outlet pipe section 13 through the water hole 611, and the sealing member 64 and the partition plate 62 work together to improve the sealing performance of the anti-siphon unit 6 sealing the air intake passage 15. reliability.
  • the water inlet pipe section 11 is provided with an installation platform 111 abutting against the partition plate 62, and the connecting end 14 is provided with an insertion hole 141 adapted to the insertion end 63; the insertion hole 141
  • the distance between the bottom surface of the water port 61 and the top surface of the sealing member 64 is smaller than the distance between the bottom surface of the water port 61 and the installation platform 111 .
  • the side wall of the outlet pipe section 13 is provided with the switch unit 3 , and the flush pipe 4 includes a first flush pipe 4 a and a second flush pipe 4 b.
  • the switching unit 3 includes a first switching valve body 31, a switching switch 32 arranged on the first switching valve body 31, and the switching switch 32 connected to the switching piece 33; the first switching valve body 31 is provided with a water distribution chamber 311, and the water distribution chamber 311 is respectively connected to the first flushing pipe 4a and the second flushing pipe 4b; the switching piece 33 can The switchable water distribution chambers 311 communicate with corresponding flush water pipes 4 respectively. Specifically, the water distribution chamber 311 communicates with the water outlet pipe section 13 , and the switch piece 33 is driven to rotate by the switch switch 32 to open the corresponding water outlet to communicate with the corresponding flush pipe 4 .
  • the shape of the switch piece 33 is not limited, and may be a straight structure or a fan-shaped structure.
  • the changeover switch 32 may be a manual knob or a rotating member driven by a motor, but it is not limited thereto.
  • the switching unit 3 includes a second switching valve body 34, a second water dividing chamber 35 and a third The water distribution chamber 36 , the first electromagnetic valve 37 disposed in the second water distribution chamber 35 , and the second solenoid valve 38 disposed in the third water distribution chamber 36 .
  • the outlet pipe section 13 communicates with the second water distribution chamber 35 and the third water distribution chamber 36 respectively, and the switching of the first electromagnetic valve 37 and the second electromagnetic valve 38 makes the corresponding first The flush pipe 4a or the second flush pipe 4b is connected or disconnected.
  • the first solenoid valve 37 and the second solenoid valve 38 are connected to a control module (not shown in the drawings), and are operated sequentially through the control module.
  • first valve body 31 or the second valve body 34 are integrally formed with the water outlet pipe section 13, so as to reduce the size and reduce the size of the device.
  • the device in order to eliminate flushing noise, also includes a noise reduction unit 7.
  • the noise reduction unit 7 includes an enlarged diameter section 71 arranged on the flushing pipe 4 (the diameter of the enlarged diameter section 71 is larger than that of the flushing pipe 4 pipe diameter).
  • the noise reduction unit 7 includes an enlarged diameter section 71 arranged on the flushing pipe 4 (the diameter of the enlarged diameter section 71 is larger than that of the flushing pipe 4 pipe diameter).
  • the noise reduction unit 7 includes an exhaust portion 72 provided on the flush pipe 4 .
  • the exhaust part 72 includes an exhaust pipe 721 and an exhaust valve 722 arranged at the top of the exhaust pipe 721.
  • the exhaust pipe 721 is arranged upwards, and the exhaust pipe 721 is higher than the water inlet pipe. 1 to prevent water from flowing out from the exhaust pipe 721. Bubbles in the water flow are discharged from the exhaust pipe 721 to reduce noise generation.
  • the present invention provides a toilet, including a toilet body 100, a first flushing nozzle 101 and a second flushing nozzle 102 arranged on the toilet body 100, and the space-saving The flushing device 200; the first flushing nozzle 101 is connected to the first flushing water pipe 4a, and the second flushing nozzle 102 is connected to the second flushing water pipe 4b.
  • the first flushing nozzle 101 is arranged at the water inlet of the brush ring, the second flushing nozzle 102 is arranged in the spray hole at the bottom of the pocket, and the first flushing nozzle 101 and the second flushing nozzle 102 can increase the flushing capacity. Strength, improve the cleanliness of the toilet.
  • the present invention divides the water inlet pipe 1 into the water inlet pipe section 11, the transition section 12 and the water outlet pipe section 13, connects the water inlet pipe section 11 and the water outlet pipe section 13 through the transition section 12, and uses one waterway instead of the traditional The two-way waterway of the structure, and a water retaining part 5 is provided in the transition section 12, and the water retaining part 5 can prevent part of the water flow in the transition section 12 from flowing into the Outlet pipe section 13, and then raise the position of the critical water level in the transition section 12, to reduce the overall height of the device as much as possible while meeting the critical water level requirements of anti-siphon, thereby reducing the movement space occupied, providing the layout of the movement Avoid space.
  • connection between the outlet pipe section 13 and the first flushing pipe 4a or the second flushing pipe 4b can be directly switched through the switching unit 3 to supply water to the brush ring, the spray hole at the bottom of the urinal, and the movement, without using a water tank , thus further saving the installation space.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Sanitary Device For Flush Toilet (AREA)

Abstract

本发明公开了一种节约空间的冲刷装置，包括水管、切换单元及与所述切换单元相连通的第一冲水管及第二冲水管；所述水管设有相互连通的进水管段、过渡段、出水管段，所述过渡段内设有挡水部，所述挡水部具有预定高度以挡止部分水流流入所述出水管段；所述切换单元设于所述出水管段上并与所述出水管段相连通，所述切换单元通过切换所述出水管段的出水口方向，以切断或连通所述第一冲水管或所述第二冲水管与所述出水管段间的供水。实施本发明，可缩小冲刷装置占用机芯的体积，且可有效防虹吸。

Description

一种节约空间的冲刷装置及坐便器 技术领域
本发明涉及坐便器冲水技术领域，尤其涉及一种节约空间的冲刷装置及坐便器。
背景技术
现在，智能坐便器产品一体化设计的外观越来越受到市场的欢迎。智能坐便器产品的一体化设计对内部功能部件的要求也越来越高。而对于现有的利用供水管路压力进行冲刷的产品方案，满足标准要求的防虹吸结构占用了机芯空间大，给智能坐便器的外观设计和内部布局造成了很多限制和困难。
此外，为防虹吸，进水阀体与水箱之间，或直供水管路与坐便器工作水位之间需满足以下要求：进水阀或直供水管路开始产生虹吸和完全结束虹吸时两者中最低的水位高度即临界水位(CL线)，临界水位以下是安全区域，此时水箱中的水位或坐便器工位水位比临界水位低时，且两者垂直距离大于25cm时，没有产生虹吸的可能。
发明内容
本发明所要解决的技术问题在于，提供一种节约空间的冲刷装置，结构简单，占用空间小，可有效防虹吸。
为解决上述技术问题，本发明提供了一种节约空间的冲刷装置，包括水管、切换单元及与所述切换单元相连通的第一冲水管及第二冲水管；
所述水管设有相互连通的进水管段、过渡段、出水管段，所述过渡段内设有挡水部，所述挡水部具有预定高度以挡止部分水流流入所述出水管段；
所述切换单元设于所述出水管段上并与所述出水管段相连通，所述切换单元通过切换所述出水管段的出水口方向，以切断或连通所述第一冲水管或所述第二冲水管与所述出水管段间的供水。
作为上述技术方案的改进，所述挡水部的顶面与所述水管的顶面的间距为10-25mm。
作为上述技术方案的改进，所述挡水部倾斜设置，且所述挡水部的顶面设 有弧形导水结构。
作为上述技术方案的改进，所述进水管段及所述出水管段并列设置，所述过渡段设于所述进水管段及出水管段的顶部；
所述挡水部为设于所述过渡段内的挡水板。
作为上述技术方案的改进，所述进水管段设在所述出水管段的内侧，所述过渡段设于所述进水管段及出水管段的顶部，
所述挡水部为套设在所述进水管段外的挡水环。
作为上述技术方案的改进，所述过渡段上连接有连接端头，所述连接端头上设有进气通道；所述进水管段与出水管段之间设有防虹吸单元；
所述防虹吸单元可受驱动地向上滑动至与连接端头贴合，以使进水管段与出水管段连通通水；
或者，所述防虹吸单元可受驱动地向下滑动复位，使所述进气通道与出水管段连通以防虹吸。
作为上述技术方案的改进，所述防虹吸单元包括通水端、隔板及插入端，所述隔板的上表面设有密封部件；所述通水端上设有通水孔，所述插入端设有进气孔；
所述进水管段设有与所述通水端适配的安装孔，所述连接端头设有与所述插入端适配的插入孔；
所述插入孔的顶面与所述安装孔的底面间距小于所述通水端的底面与所述密封部件的顶面之间的间距。
作为上述技术方案的改进，所述进水管段上设有开关单元；所述出水管段的侧壁上设有所述切换单元。
作为上述技术方案的改进，所述切换单元包括第一切换阀体、设于所述第一切换阀体上的切换开关、与所述切换开关连接的切换片；所述第一切换阀体内设有分水腔、所述分水腔分别与第一冲水管及第二冲水管连接；所述切换片能切换分水腔分别与相应的冲水管连通；
或者，所述切换单元包括第二切换阀体、设于所述第二切换阀体上的第二分水腔及第三分水腔、以及设于所述第二分水腔内的第一电磁阀及设于第三分水腔内的第二电磁阀。
作为上述技术方案的改进，所述冲水管上设有降噪单元，所述降噪单元包 括设于所述冲水管上的直径扩大段；
或者所述降噪单元包括设于设有所述冲水管上的排气部，所述排气部包括排气管及排气阀。
相应的，本发明还提供了一种坐便器，包括坐便器本体、设于所述坐便器本体上的第一冲刷喷嘴及第二冲刷喷嘴，以及如权利要求1-9任一项所述的节约空间的冲刷装置，所述冲刷装置设于所述坐便器本体上；
所述第一冲刷喷嘴与所述第一冲水管连接，所述第二冲刷喷嘴与所述第二冲水管连接。
实施本发明，具有如下有益效果：
本发明通过将进水管分为进水管段、过渡段及出水管段，通过过渡段将进水管段及出水管段相连通，使用一路水路替代传统结构的两路水路，并在过渡段内设有挡水部，所述挡水部可在水管由通水切换成不通水状态时挡止管内部分水流流入所述出水管段，进而提升水管内临界水位的位置，以在满足防虹吸的临界水位要求的同时尽可能减小本装置的整体高度，从而减少占用的机芯空间，为机芯布局提供避让空间。此外，通过切换单元可直接切换出水管段与所述第一冲水管或第二冲水管间的连通，向刷圈、便池底部喷射孔以及机芯供水等供水，无需使用水箱，从而进一步节省了装置所需的安装空间。
附图说明
图1是本发明涉及的冲刷装置第一种实施例的整体示意图；
图2是本发明涉及的冲刷装置第一种实施例的装配示意图；
图3是本发明涉及的冲刷装置第一种实施例的通水状态图；
图4是本发明涉及的冲刷装置第一种实施例的不通水状态图；
图5是本发明涉及的冲刷装置的第二种实施例的半剖视图；
图6是本发明涉及的冲刷装置的切换单元的另一实施方式的半剖视图；
图7是本发明涉及的冲刷装置的降噪单元的另一实施方式的半剖视图。
具体实施方式
为使本发明的目的、技术方案和优点更加清楚，下面将结合附图对本发明作进一步地详细描述。仅此声明，本发明在文中出现或即将出现的上、下、左、 右、前、后、内、外等方位用词，仅以本发明的附图为基准，其并不是对本发明的具体限定。
参见图1，图3及图4，本发明提供了一种节约空间的冲刷装置，包括水管1、切换单元3及与所述切换单元3相连通的第一冲水管4a及第二冲水管4b；
所述水管1设有相互连通的进水管段11、过渡段12、出水管段13，一开关单元2安装于进水管段11并连通，一连接端头14安装于过渡段12并连通设置，所述过渡段12内设有挡水部5，所述挡水部5为具有预定高度的一挡板以挡止部分水流流入所述出水管段13；
所述切换单元3设于所述出水管段13上并与所述出水管段13相连通，所述切换单元3通过切换所述出水管段13的出水口方向，以切断或连通所述第一冲水管4a或所述第二冲水管4b与所述出水管段13间的供水。
具体地，所述开关单元2开启后，水依次沿进水管段11、过渡段12及出水管段13流动形成进水水路，所述切换单元3可切换进水水路的出水口，分别与对应的第一冲水管4a或第二冲水管4b连接。所述第一冲水管4a或第二冲水管4b，不限于向刷圈、便池底部喷射孔以及机芯供水。所述连接端头14与所述过渡段12可拆卸连接，所述连接端头14上具有进气通道15与外界大气环境连通。需要说明的是，为防止污水进入供水系统内，国标规定了进水管1或进水阀的临界水位值，这就要求过渡段12内的最低水位与马桶工作水位之间的间距不小于临界水位值。为减小本装置的高度尺寸，所述过渡段12内设有所述挡水部5，在水管1由通水切换成不通水状态时，所述挡水部5可挡止过渡段12内的部分水流流进所述出水管段13，进而通过提高所述过渡段12内的最低水位，从而提高国标中对临界水位即CL线的位置，以尽可能地减小CL线至本装置顶部的距离，从而降低装置的整体高度，为在机芯内设置其他零部件提供了更多空间。通过所述切换单元3可直接切换本装置的供水出口，对刷圈、便池底部喷射孔以及机芯供水，减少设置冲水水箱，简化坐便器的供水结构，可靠性好。且所述切换单元3的阀体与所述出水管段13一体成型，以减小切换单元3占用的空间，减少本装置的整体尺寸。
进一步地，所述挡水部5的顶面与所述连接端头14的顶面的间距优选为10-25mm，在其他实施例中，该间距可根据实际需求设置。在此高度值范围内，能满足足够供水量情况下，尽可能提升CL线位置，缩小本装置的整体尺寸。
参见图4，为便于导水，不影响进水管1中的流水顺畅度，所述挡水部5倾斜设置，且所述挡水部5的顶面设有弧形导水结构51。所述弧形导水结构51包括弧形导水面，所述弧形导水面能改变水流在越过所述挡水部5时的流动方向，减少水流与管壁发生碰撞，从而减少湍流发生，提高水流的流动顺畅度；同时还能减小噪音。
参见图3，作为所述进水管1的一种实施方式，所述进水管段11及出水管段13并列设置，所述过渡段12设于所述进水管段11及出水管段13的顶端部；其中，所述进水管段11与出水管段13均沿竖直方向设置，所述过渡段12设于所述进水管段11与出水管段13的顶部，并连通所述进水管段11及出水管段13。所述挡水部5为竖直挡板并设于所述进水管段11与出水管段13的顶端之间。
参见图5，作为所述进水管1的第二种实施方式，所述进水管段11设在所述出水管段13的内侧，所述过渡段12设于所述进水管段11及出水管段13的顶部，所述挡水部5为套设在所述进水管段11外的挡水环52。具体，通过将进水管段11与出水管段13套接的形式，可减小本装置的截面面积，便于优化机芯布局，提供更大的避让空间。所述挡水环52与所述进水管段11可拆卸连接。
需要说明的是，所述挡水部5的结构不限于上述的挡水板及挡水环52的实施方式。在其他实施例中，挡水部5只需为可以挡住部分水流的结构即可。
参见图3及图5，所述进水管段11与出水管段13之间设有防虹吸单元6；所述防虹吸单元6可受驱动地向上滑动至与连接端头14贴合，以使进水管段11与出水管段13连通通水；或者，所述防虹吸单元6可受驱动地向下滑动复位，使所述进气通道15与出水管段13连通以防虹吸。具体地，所述防虹吸单元6预安装在所述进水管段11的顶端。在进水管段11及出水管段13的水路连通时，所述防虹吸单元6顶部向上移动至与所述连接端头14内壁贴合，从而挡止所述进气通道15；在进水管段11与出水管段13的水流断开时，所述防虹吸单元6回落至初始位置，使所述出水管段13与进气通道15连通以进气，从而防止污水回流。
所述防虹吸单元6包括通水端61、隔板62及插入端63，所述隔板62的上表面设有密封部件64；所述通水端61上设有通水孔611。所述防虹吸单元6安装在所述进水管段11的顶端，所述通水端61插入所述进水管段11中，所述防虹吸单元6被水流顶起后，所述插入端63内插入所述连接端头14内，水流经 所述通水孔611流入所述出水管段13，所述密封部件64及所述隔板62共同作用以提高防虹吸单元6密封进气通道15的可靠性。
进一步地，所述进水管段11设有与所述隔板62抵接的安装平台111，所述连接端头14设有与所述插入端63适配的插入孔141；所述插入孔141的底面与所述安装平台111的间距小于所述通水端61的底面与所述密封部件64的顶面之间的间距。通过限定所述插入孔141的底面与安装平台111之间的间距，所述通水端61的底面与所述密封部件64的顶面之间的间距的关系，从而防止防虹吸单元6上下滑动时脱出，提高防虹吸单元6的运动可靠性。
所述出水管段13的侧壁设有所述切换单元3，冲水管4包括第一冲水管4a及第二冲水管4b。
参见图3，作为所述切换单元3的一种实施方式，所述切换单元3包括第一切换阀体31、设于所述第一切换阀体31上的切换开关32、与所述切换开关32连接的切换片33；所述第一切换阀体31内设有分水腔311、所述分水腔311分别与第一冲水管4a及第二冲水管4b连接；所述切换片33能切换分水腔311分别与相应的冲水管4连通。具体地，所述分水腔311与出水管段13连通，所述切换片33通过切换开关32驱动转动，以打开对应的出水口与相应的冲水管4连通。在本实施例中，所述切换片33的形状不限，可以是一字型结构或扇形结构。所述切换开关32可以是手动的旋钮或由电机驱动的转动件，但也不限于此。
参见图6，作为所述切换单元3的另一实施方式，所述切换单元3包括第二切换阀体34、设于所述第二切换阀体34上的第二分水腔35及第三分水腔36、以及设于所述第二分水腔35内的第一电磁阀37及设于第三分水腔36内的第二电磁阀38。在本实施例中，所述出水管段13分别与第二分水腔35及第三分水腔36连通，所述第一电磁阀37及第二电磁阀38的通断使对应的第一冲水管4a或第二冲水管4b连通或断开。进一步地，所述第一电磁阀37及第二电磁阀38与控制模块(附图中未显示)连接，通过控制模块进行有序动作。
需要说明的是，无论第一阀体31或第二阀体34，其均与出水管段13一体成型，以减少尺寸，减小本装置的尺寸。
参见图3及图7，为消除冲水噪音，本装置还包括降噪单元7。参见图3，作为所述降噪单元7的一种实施例，所述降噪单元7包括设于冲水管4上的直径扩大段71(所述直径扩大段71管径大于所述冲水管4的管径)。具体地，当 冲水管4内水流中的气泡从正常冲水管4直径段流入直径扩大段71时，气泡运动速度降低，受到的水压增大，大气泡被分解为多个小气泡，小气泡可随水流从喷嘴喷出，从而避免大气泡从喷嘴喷出时，因压力急剧变化引起气泡破裂造成的噪音。
参见图7，作为所述降噪单元7的另一实施例，所述降噪单元7包括设于所述冲水管4上的排气部72。具体地，所述排气部72包括排气管721及设于排气管721顶部的排气阀722，所述排气管721向上设置，且所述排气管721高于所述进水管1的水位高度，防止水从所述排气管721流出。水流中气泡从所述排气管721排出，以减小噪音的产生。
参见图2，相应的，本发明提供了一种坐便器，包括坐便器本体100、设于所述坐便器本体100上的第一冲刷喷嘴101及第二冲刷喷嘴102，以及所述节约空间的冲刷装置200；所述第一冲刷喷嘴101与所述第一冲水管4a连接，所述第二冲刷喷嘴102与所述第二冲水管4b连接。所述第一冲刷喷嘴101设于刷圈进水口处，所述第二冲刷喷嘴102设于便兜底部的喷射孔内，所述第一冲刷喷嘴101及第二冲刷喷嘴102可加大冲水力度，提高坐便器的清洗洁净度。
综上，本发明通过将进水管1分为进水管段11、过渡段12及出水管段13，通过所述过渡段12将进水管段11及出水管段13相连通，使用一路水路替代传统结构的两路水路，并在过渡段12内设有挡水部5，所述挡水部5可在水管1由通水切换成不通水状态时，挡止过渡段12内部分水流流入所述出水管段13，进而提升过渡段12内临界水位的位置，以在满足防虹吸的临界水位要求的同时尽可能减小本装置的整体高度，从而减少占用的机芯空间，为机芯布局提供避让空间。此外，通过切换单元3可直接切换出水管段13与所述第一冲水管4a或第二冲水管4b间的连通，向刷圈、便池底部喷射孔以及机芯供水等供水，无需使用水箱，从而进一步节省了安装空间。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (10)

  1. 一种节约空间的冲刷装置，其特征在于，包括水管、切换单元及与所述切换单元相连通的第一冲水管及第二冲水管；
    所述水管设有相互连通的进水管段、过渡段、出水管段，所述过渡段内设有挡水部，所述挡水部具有预定高度以挡止部分水流流入所述出水管段；
    所述切换单元设于所述出水管段上并与所述出水管段相连通，所述切换单元通过切换所述出水管段的出水口方向，以切断或连通所述第一冲水管或所述第二冲水管与所述出水管段间的供水。
  2. 如权利要求1所述的节约空间的冲刷装置，其特征在于，所述挡水部的顶面与所述水管的顶面的间距为10-25mm。
  3. 如权利要求1所述的节约空间的冲刷装置，其特征在于，所述挡水部倾斜设置，且所述挡水部的顶面设有弧形导水结构。
  4. 如权利要求1所述的节约空间的冲刷装置，其特征在于，所述进水管段及所述出水管段并列设置，所述过渡段设于所述进水管段及出水管段的顶部；
    所述挡水部为设于所述过渡段内的挡水板。
  5. 如权利要求1所述的节约空间的冲刷装置，其特征在于，所述进水管段设在所述出水管段的内侧，所述过渡段设于所述进水管段及出水管段的顶部，
    所述挡水部为套设在所述进水管段外的挡水环。
  6. 如权利要求1所述的节约空间的冲刷装置，其特征在于，所述过渡段上连接有连接端头，所述连接端头上设有进气通道；所述进水管段与出水管段之间设有防虹吸单元；
    所述防虹吸单元可受驱动地向上滑动至与连接端头贴合，以使进水管段与出水管段连通通水；
    或者，所述防虹吸单元可受驱动地向下滑动复位，使所述进气通道与出水管段连通以防虹吸。
  7. 如权利要求6所述的节约空间的冲刷装置，其特征在于，所述防虹吸单元包括通水端、隔板及插入端，所述隔板的上表面设有密封部件；所述通水端上设有通水孔，所述插入端设有进气孔；
    所述进水管段设有与所述通水端适配的安装孔，所述连接端头设有与所述插入端适配的插入孔；
    所述插入孔的顶面与所述安装孔的底面间距小于所述通水端的底面与所述密封部件的顶面之间的间距。
  8. 如权利要求1所述的节约空间的冲刷装置，其特征在于，所述进水管段上设有开关单元；
    所述出水管段的侧壁上设有所述切换单元；
    所述切换单元包括第一切换阀体、设于所述第一切换阀体上的切换开关、与所述切换开关连接的切换片；所述第一切换阀体内设有分水腔、所述分水腔分别与第一冲水管及第二冲水管连接；所述切换片能切换分水腔分别与相应的冲水管连通；
    或者，所述切换单元包括第二切换阀体、设于所述第二切换阀体上的第二分水腔及第三分水腔、以及设于所述第二分水腔内的第一电磁阀及设于第三分水腔内的第二电磁阀。
  9. 如权利要求1所述的节约空间的冲刷装置，其特征在于，所述冲水管上设有降噪单元，所述降噪单元包括设于所述冲水管上的直径扩大段；
    或者所述降噪单元包括设于设有所述冲水管上的排气部，所述排气部包括排气管及排气阀。
  10. 一种坐便器，其特征在于，包括坐便器本体、设于所述坐便器本体上的第一冲刷喷嘴及第二冲刷喷嘴，以及如权利要求1-9任一项所述的节约空间的冲刷装置，所述冲刷装置设于所述坐便器本体上；
    所述第一冲刷喷嘴与所述第一冲水管连接，所述第二冲刷喷嘴与所述第二冲水管连接。
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