WO2020186690A1 - 一种防逆流喷杆 - Google Patents
一种防逆流喷杆 Download PDFInfo
- Publication number
- WO2020186690A1 WO2020186690A1 PCT/CN2019/102138 CN2019102138W WO2020186690A1 WO 2020186690 A1 WO2020186690 A1 WO 2020186690A1 CN 2019102138 W CN2019102138 W CN 2019102138W WO 2020186690 A1 WO2020186690 A1 WO 2020186690A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cavity
- jet
- socket
- backflow
- passage
- Prior art date
Links
- 238000005507 spraying Methods 0.000 title abstract 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 70
- 239000007921 spray Substances 0.000 claims abstract description 67
- 230000007246 mechanism Effects 0.000 claims abstract description 30
- 238000005406 washing Methods 0.000 claims abstract description 20
- 238000004891 communication Methods 0.000 claims abstract description 12
- 238000011010 flushing procedure Methods 0.000 claims description 21
- 230000007704 transition Effects 0.000 claims description 9
- 239000010865 sewage Substances 0.000 abstract description 16
- 238000005457 optimization Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 7
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 210000000214 mouth Anatomy 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
Classifications
-
- 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
Definitions
- the present invention relates to the technical field of spray bar equipment, and in particular to an anti-backflow spray bar.
- 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. If the automatic human body washing function of the toilet is turned on at this time, the spray rod will extend and soak into the sewage. Once there is negative pressure in the domestic water pipeline, the sewage in the toilet will be pumped back into the water supply system, causing the entire drinking water system to be contaminated, which will cause great harm.
- the present invention provides an anti-reverse flow spray bar, which aims to improve the problem that the spray bar used in sanitary equipment in the prior art may cause pollution of the drinking water system.
- an anti-backflow spray bar which includes:
- a backflow prevention mechanism which is provided with a water inlet, a first passage, and an open cavity; the water inlet communicates with the first passage, the first passage communicates with the open cavity, and the open
- the oral cavity is provided with a first channel communicating with the outside;
- a spray washing mechanism which is provided with a second passage and a washing nozzle; the second passage is in communication with the open cavity, and the washing nozzle is in communication with the second passage;
- Water can flow into the first passage from the water inlet, and generate a water stream ejected from the first passage.
- the water stream can pass through the open cavity and be injected into the second passage for the flushing nozzle Squirting.
- the first passage includes a jet cavity communicating with the water inlet, and a jet port communicating with the jet cavity and the open cavity respectively;
- the second passage includes a jet cavity communicating with the open cavity
- the sockets communicating with each other, and the socket cavities respectively communicating with the socket and the flushing nozzle.
- the jet cavity and the receiving cavity are both cylindrical structures, and the jet port and the receiving port are both through-hole structures.
- the caliber of the jet port is smaller than the caliber of the jet cavity and the socket.
- the anti-backflow mechanism and the spray washing mechanism are integrated.
- the anti-backflow spray bar is a split structure
- the anti-backflow spray bar includes a first component and a second component that are detachably arranged together, and the open cavity includes a detachable first open section And a second open section;
- the first component includes the water inlet, the jet cavity, the jet port, and the first open section;
- the second component includes the second open section ,
- the socket, the socket cavity, and the flushing nozzle are in snap fit or threaded connection.
- the anti-backflow spray bar has a split structure
- the anti-backflow spray bar includes a first component and a second component that are detachably arranged together, and the receiving cavity includes a detachable first receiving section and Second receiving section;
- the first component includes the water inlet, the jet cavity, the jet port, the open cavity, the socket, and the first receiving section;
- the second component includes The second receiving section, and the flushing nozzle communicated with the second receiving section.
- the first component and the second component are plug-in fit or threaded connection.
- the present invention can achieve the following technical effects:
- the anti-backflow spray rod of the present invention is equipped with an anti-backflow mechanism and a spray washing mechanism, so that the spray rod can prevent the external sewage from the spray washing mechanism from flowing back to the water supply system.
- water can flow into the flow cavity from the water inlet and be ejected from the jet port to generate a water column that can pass through the open cavity and be injected into the socket. The water column finally flows into the receiving cavity for the flushing nozzle to spray.
- the anti-backflow spray bar of the present invention can prevent the sewage from entering the water supply system when the flushing nozzle is immersed in sewage and there is negative pressure in the water supply system, thereby avoiding the pollution of the water supply system.
- Figure 1 is a schematic cross-sectional structure diagram of the anti-backflow spray rod and the toilet in the first embodiment of the present invention
- Fig. 2 is a schematic diagram of the first shaft side structure of the anti-backflow spray rod in the first embodiment of the present invention
- FIG. 3 is a schematic diagram of the first cross-sectional structure of the anti-backflow spray rod in the first embodiment of the present invention
- FIG. 4 is a schematic view of a second cross-sectional structure of the anti-backflow spray rod in the first embodiment of the present invention.
- Figure 5 is a schematic cross-sectional structure diagram of the anti-backflow spray rod in the second embodiment of the present invention.
- FIG. 6 is a schematic view of the cross-sectional structure of the anti-backflow spray bar according to the third embodiment of the present invention.
- Fig. 7 is a schematic cross-sectional structure diagram of the anti-backflow spray rod in the fourth embodiment of the present invention.
- Figure 8 is a fifth embodiment of the present invention, a schematic view of the first shaft side of the anti-backflow spray rod;
- FIG. 9 is a fifth embodiment of the present invention, a schematic view of the second shaft side of the anti-backflow spray rod;
- 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 indicated technical features. 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.
- an anti-backflow spray rod includes:
- the backflow prevention mechanism 1001 is provided with a water inlet 110, a first passage 120, and an open cavity 130; the water inlet 110 and the first passage 120 are in communication, and the first passage 120 and the open The cavity 130 is in communication, and the open cavity 130 is provided with a first channel 131 that communicates with the outside;
- the spray washing mechanism 1002 which is provided with a second passage 140 and a flushing nozzle 150; the second passage 140 is in communication with the open cavity 130, and the flushing nozzle 150 is in communication with the second passage 140 ;
- the anti-backflow spray rod 1 is used on the toilet 2 and the toilet 2 is provided with a discharge channel 200.
- the first passage 120 includes a jet cavity 121 connected to the water inlet 110, and a jet port 122 respectively connected to the jet cavity 121 and the open cavity 130;
- the second passage 140 includes The socket 141 communicating with the open cavity 130 and the socket cavities 142 communicating with the socket 141 and the flushing nozzle 150 respectively.
- the diameter of the jet port 122 is smaller than the diameter of the jet cavity 121.
- the anti-backflow spray bar 1 of this embodiment can prevent the sewage from entering the water supply system when the flushing nozzle 150 is immersed in sewage and the water supply system has negative pressure, thereby avoiding the pollution of the water system.
- the jet port 122 and the socket 141 are both through-hole structures, and the diameter of the jet port 122 is smaller than that of the socket 141, so as to eject from the jet port 122 The water flow can better enter the socket 141.
- the backflow prevention mechanism 1001 and the spray washing mechanism 1002 are integrated.
- the transition between the jet cavity 121 and the jet port 122, and between the socket 141 and the jet port 122 are arc transitions.
- the other structures of the anti-backflow mechanism 1001 and the spray washing mechanism 1002 are the same as those of the first embodiment, and will not be repeated here.
- the jet cavity 121 and the receiving cavity 142 are both columnar structures.
- the jet cavity 121 and the receiving cavity 142 are both cylindrical or rectangular parallelepiped structures; no significant transition structure is provided between the jet cavity 121 and the jet port 122, and between the receiving port 141 and the jet port 122.
- the other structures of the anti-backflow mechanism 1001 and the spray washing mechanism 1002 are the same as those of the first embodiment, and will not be repeated here.
- the anti-backflow spray bar 1 is a split structure, and the anti-backflow spray bar 1 includes a first component 1003 and a second component 1004 that are detachably arranged together.
- the open cavity 130 includes a The disassembled first and second open sections.
- the first assembly 1003 includes a water inlet 110, a jet cavity 121, a jet port 122, and a first open section.
- the second assembly 1004 includes a second open section, a socket 141, a socket 142, and a flushing nozzle 150.
- the first component 1003 and the second component 1004 are detachably arranged together through the first open section and the second open section; wherein, the first open section and the second open section are connected by clamping or screwing.
- the other structures of the anti-backflow mechanism 1001 and the spray washing mechanism 1002 are the same as those of the first embodiment, and will not be repeated here.
- the anti-backflow spray bar 1 is a split structure, and the anti-backflow spray bar 1 includes a first component 1003 and a second component 1004 that are detachably arranged together, and a receiving cavity 142 includes a detachable first receiving section and a second receiving section.
- the first component 1003 includes a water inlet 110, a jet cavity 121, a jet port 122, an open cavity 130, a socket 141, and a first socket.
- the second assembly 1004 includes a second receiving section and a flushing nozzle 150 communicated with the second receiving section.
- the first receiving section and the second receiving section are plug-in or threaded connection.
- the other structures of the anti-backflow mechanism 1001 and the spray washing mechanism 1002 are the same as those of the first embodiment, and will not be repeated here.
- the present invention can also have other modified designs.
- the jet cavity 121 and the receiving cavity 142 can be arranged in other structures, as long as the water flowing into the jet cavity 121 can be produced from the jet port 122 and pass through the open cavity 130, and jet Just enter the water column of the socket 141.
- the anti-backflow spray bar 1 has a split structure, and the interface may be set at other positions except the open cavity 130 and the receiving cavity 142.
Abstract
Description
Claims (9)
- 一种防逆流喷杆,其特征在于,包含:(a)防逆流机构(1001),其设置有进水口(110)、第一通路(120),以及敞口腔(130);所述进水口(110)和所述第一通路(120)相连通,所述第一通路(120)和所述敞口腔(130)相连通,所述敞口腔(130)设置有和外界相连通的第一通道(131);(b)喷洗机构(1002),其设置有第二通路(140),以及冲洗喷嘴(150);所述第二通路(140)和所述敞口腔(130)相连通,所述冲洗喷嘴(150)和所述第二通路(140)相连通;水能够自所述进水口(110)流入所述第一通路(120),并产生自所述第一通路(120)射出的水流,该水流能够穿过所述敞口腔(130)并射入所述第二通路(140),以供所述冲洗喷嘴(150)喷出。
- 根据权利要求1所述的一种防逆流喷杆,其特征在于,所述第一通路(120)包括和所述进水口(110)相连通的射流腔(121),以及分别和所述射流腔(121)、所述敞口腔(130)相连通的射流口(122);所述第二通路(140)包括和所述敞口腔(130)相连通的承接口(141),以及分别和所述承接口(141)、所述冲洗喷嘴(150)相连通的承接腔(142)。
- 根据权利要求2所述的一种防逆流喷杆,其特征在于,所述射流腔(121)和所述射流口(122)之间,以及所述承接口(141)和所述承接腔(142)之间,均为锥形过渡。
- 根据权利要求2所述的一种防逆流喷杆,其特征在于,所述射流腔(121)和所述射流口(122)之间,以及所述承接口(141)和所述承接腔(142)之间,均为弧面过渡。
- 根据权利要求2所述的一种防逆流喷杆,其特征在于,所述射流腔(121)和所述承接腔(142)均为柱状结构,所述射流口(122)和所述承接口(141)均为通孔结构。
- 根据权利要求2所述的一种防逆流喷杆,其特征在于,所述射流口(122)的口径小于所述射流腔(121)和所述承接口(141)的口径。
- 根据权利要求1所述的一种防逆流喷杆,其特征在于,所述防逆流机构(1001)和所述喷洗机构(1002)为一体结构。
- 根据权利要求2所述的一种防逆流喷杆,其特征在于,所述防逆流喷杆(1)为分体结构,所述防逆流喷杆(1)包括可拆卸地配置在一起的第一组件(1003)和第二组件(1004),所述敞口腔(130)包括可拆卸的第一敞口段和第二敞口段;所述第一组件(1003)包括所述进水口(110)、所述射流腔(121)、所述射流口(122),以及所述第一敞口段;所述第二组件(1004)包括所述第二敞口段、所述承接口(141)、所述承接腔(142),以及所述冲洗喷嘴(150)。
- 根据权利要求2所述的一种防逆流喷杆,其特征在于,所述防逆流喷杆1为分体结构,所述防逆流喷杆1包括可拆卸地配置在一起的第一组件(1003)和第二组件(1004),所述承接腔(142)包括可拆卸的第一承接段和第二承接段;所述第一组件(1003)包括所述进水口(110)、所述射流腔(121)、所述射流口(122)、所述敞口腔(130)、所述承接口(141),以及所述第一承接段;所述第二组件(1004)包括所述第二承接段,以及和所述第二承接段相连通的所述冲洗喷嘴(150)。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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CN201910215871.8A CN110747955A (zh) | 2019-03-21 | 2019-03-21 | 一种防逆流喷杆 |
CN201910215871.8 | 2019-03-21 |
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WO2020186690A1 true WO2020186690A1 (zh) | 2020-09-24 |
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PCT/CN2019/102138 WO2020186690A1 (zh) | 2019-03-21 | 2019-08-23 | 一种防逆流喷杆 |
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CN (1) | CN110747955A (zh) |
WO (1) | WO2020186690A1 (zh) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2943287B1 (de) * | 1979-10-26 | 1980-11-27 | Taprogge Reinigungsanlagen | Anlage fuer die Roehrenreinigung eines Kraftwerkskondensators mit Hilfe von Reinigungskugeln |
EP0593005A1 (de) * | 1992-10-15 | 1994-04-20 | Scheible-Versorgungsanlagen Gmbh | Vorrichtung zum Entsorgen von flüssigen Medien |
CN103669539A (zh) * | 2013-12-20 | 2014-03-26 | 柳州职业技术学院 | 一种节水除臭马桶 |
CN106321903A (zh) * | 2016-09-20 | 2017-01-11 | 芜湖市晨曦新型建材科技有限公司 | 一种新型防窜水三角阀 |
CN207268006U (zh) * | 2017-07-04 | 2018-04-24 | 无锡市新海菱科技有限公司 | 智能座便器及其冲洗装置 |
-
2019
- 2019-03-21 CN CN201910215871.8A patent/CN110747955A/zh active Pending
- 2019-08-23 WO PCT/CN2019/102138 patent/WO2020186690A1/zh active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2943287B1 (de) * | 1979-10-26 | 1980-11-27 | Taprogge Reinigungsanlagen | Anlage fuer die Roehrenreinigung eines Kraftwerkskondensators mit Hilfe von Reinigungskugeln |
EP0593005A1 (de) * | 1992-10-15 | 1994-04-20 | Scheible-Versorgungsanlagen Gmbh | Vorrichtung zum Entsorgen von flüssigen Medien |
CN103669539A (zh) * | 2013-12-20 | 2014-03-26 | 柳州职业技术学院 | 一种节水除臭马桶 |
CN106321903A (zh) * | 2016-09-20 | 2017-01-11 | 芜湖市晨曦新型建材科技有限公司 | 一种新型防窜水三角阀 |
CN207268006U (zh) * | 2017-07-04 | 2018-04-24 | 无锡市新海菱科技有限公司 | 智能座便器及其冲洗装置 |
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