CN114876019B - Intelligent closestool's wiper mechanism, intelligent closestool - Google Patents
Intelligent closestool's wiper mechanism, intelligent closestool Download PDFInfo
- Publication number
- CN114876019B CN114876019B CN202210372356.2A CN202210372356A CN114876019B CN 114876019 B CN114876019 B CN 114876019B CN 202210372356 A CN202210372356 A CN 202210372356A CN 114876019 B CN114876019 B CN 114876019B
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- water
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- cleaning
- rectifying cavity
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- 230000007246 mechanism Effects 0.000 title claims abstract description 32
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 102
- 238000004140 cleaning Methods 0.000 claims abstract description 70
- 238000005507 spraying Methods 0.000 claims abstract description 24
- 239000007787 solid Substances 0.000 claims description 3
- 230000001788 irregular Effects 0.000 claims description 2
- 238000007789 sealing Methods 0.000 description 6
- 238000005406 washing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 210000001217 buttock Anatomy 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 3
- 238000004659 sterilization and disinfection Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003247 decreasing effect Effects 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
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000007601 warm air drying 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
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- Health & Medical Sciences (AREA)
- Public Health (AREA)
- Molecular Biology (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
Abstract
The invention provides a cleaning mechanism of an intelligent closestool, the intelligent closestool and cleaning equipment. The wiper mechanism of intelligent closestool includes: a telescoping control unit (20); a cleaning unit (10) arranged at one end of the telescopic control unit (20); the cleaning unit (10) includes: comprises an upper cover plate (11), a lower cover plate (13) clamped with the upper cover plate (11), and a cleaning piece (12) arranged between the upper cover plate (11) and the lower cover plate (13); the cleaning piece (12) comprises a water inlet (120) and a water spraying port (121) communicated with the water inlet (120), and a rectifying cavity is formed between the water inlet (120) and the water spraying port (121); a plurality of rectifying pieces are arranged in the rectifying cavity and used for preventing water sprayed from the water spraying ports (121) from forming turbulent flow.
Description
Technical Field
The invention relates to a cleaning mechanism of an intelligent closestool and the intelligent closestool.
Background
The intelligent toilet originates in the united states for medical and geriatric care, and is initially provided with a warm water washing function. After that, through korea, the bathroom companies in japan gradually introduced technology to start manufacturing, and added with various functions such as heating of the toilet cover, warm water washing, warm air drying, sterilization, etc. Currently, intelligent toilets on the market are largely divided into two main categories, one of which is an intelligent toilet with cleaning, heating, sterilization, etc. In the cleaning process of the existing intelligent toilet, water is sprayed through the water spraying holes, so that the women and buttocks are washed. However, in the conventional water spraying hole, the water pressure in the water path is large and the spraying opening is rapidly reduced near the spraying position, so that the sprayed water flow is unstable, and a turbulent flow is formed, thereby affecting the use effect.
Disclosure of Invention
The invention provides a cleaning mechanism of an intelligent closestool and the intelligent closestool, which can effectively solve the problems.
The invention is realized in the following way:
the invention provides a cleaning mechanism of an intelligent closestool, which comprises the following components:
a telescoping control unit;
the cleaning unit is arranged at one end of the telescopic control unit;
the cleaning unit includes: the cleaning device comprises an upper cover plate, a lower cover plate clamped with the upper cover plate and a cleaning piece arranged between the upper cover plate and the lower cover plate; the cleaning piece comprises a water inlet and a water jet communicated with the water inlet, and a rectifying cavity is formed between the water inlet and the water jet; a plurality of rectifying pieces are arranged in the rectifying cavity and used for preventing water sprayed from the water spraying port from forming turbulent flow.
The invention further provides an intelligent closestool, which comprises the cleaning mechanism.
The beneficial effects of the invention are as follows: according to the invention, the plurality of rectifying pieces are arranged in the rectifying cavity and used for preventing water sprayed from the water spraying port from forming turbulence, and the turbulence phenomenon of water sprayed by the rectifying pieces after rectification is obviously improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some examples of the present invention and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural diagram of a cleaning mechanism of an intelligent toilet according to an embodiment of the present invention.
Fig. 2 is a bottom view of a cleaning mechanism for a smart toilet according to an embodiment of the present invention.
Fig. 3 is a partially disassembled structure view of a cleaning mechanism of a smart toilet according to an embodiment of the present invention.
Fig. 4 is a schematic view of a part of a structure of a cleaning mechanism of a smart toilet according to an embodiment of the present invention.
Fig. 5 is a schematic structural diagram of a sliding bracket and a cleaning unit in a cleaning mechanism of an intelligent toilet according to an embodiment of the invention.
Fig. 6 is a partially disassembled view of a sliding bracket and a cleaning unit in a cleaning mechanism of an intelligent toilet according to an embodiment of the present invention.
Fig. 7 is a disassembled view of a cleaning unit in a cleaning mechanism of a smart toilet according to an embodiment of the present invention.
Fig. 8 is a sectional view of a cleaning unit along A-A in a cleaning mechanism for a smart toilet according to an embodiment of the present invention.
Fig. 9 is a disassembled view of part of elements of a cleaning unit in a cleaning mechanism of a smart toilet according to an embodiment of the present invention.
Fig. 10 is a block diagram of a cleaning member in a cleaning mechanism of an intelligent toilet according to an embodiment of the present invention.
Fig. 11 is a block diagram of a lower cover plate in a cleaning mechanism of an intelligent toilet according to an embodiment of the present invention.
Fig. 12 is a block diagram of an upper cover plate in a cleaning mechanism of a smart toilet according to an embodiment of the present invention.
Fig. 13 is a photograph of the water jet before rectification.
Fig. 14 is a photograph of the water jet of the rectified water jet.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention. Thus, the following detailed description of the embodiments of the invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, based on the embodiments of the invention, which are apparent to those of ordinary skill in the art without inventive faculty, are intended to be within the scope of the invention.
In the description of the present invention, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-13, an embodiment of the present invention provides a cleaning mechanism for a smart toilet, comprising:
a telescoping control unit (20);
and the cleaning unit (10) is arranged at one end of the telescopic control unit (20).
The telescopic control unit (20) comprises a driving mechanism (21), a fixed support (22), a sliding support (23) and a fixing piece (24). The sliding support (23) is slidably arranged on the fixed support (22) through the fixing piece (24), and the driving mechanism (21) is used for driving the sliding support (23) to slide and stretch in the fixing piece (24).
The drive mechanism (21) comprises a drive motor (211) and a gear set (212). The fixed support (22) comprises a sliding rail (222). The shape of the sliding rail (222) along the length direction is not limited, and the sliding rail can be linear, arc-shaped or the like. In one embodiment, the sliding rail (222) is in a circular arc shape along the whole length direction. The fixed support (22) further comprises clamping keys (224) arranged on two sides. The shape of the locking key (224) is not limited, and may be a cube, a circular arc-shaped protrusion, a triangular cone shape, or the like. In one embodiment, the clamping key (224) is triangular cone-shaped, so that the clamping groove (242) on the fixing piece (24) is conveniently and quickly clamped on the clamping key (224), and the fixing piece (24) can be quickly and fixedly arranged on the fixing support (22). In other embodiments, the fixing member (24) is further provided with a quick-release clamping groove (244), and the clamping groove (244) is used for fixing an ultraviolet sterilizing unit (30). The ultraviolet disinfection unit (30) is an optional accessory.
The sliding support (23) is not limited in shape along the length direction, and can be linear, arc-shaped or the like, so long as the sliding support is matched with the sliding rail (222). In one embodiment, the sliding support (23) is in an arc shape which is mutually matched with the sliding rail (222) along the whole length direction. The sliding support (23) comprises an upper cover plate (231), a lower support plate (232) and a waterway connecting piece (233). The upper cover plate (231) and the lower support plate (232) are surrounded to form a cavity for accommodating the waterway connecting piece (233). The waterway connector (233) is used for connecting an external waterway and the cleaning unit (10).
The lower support plate (232) is provided with a transmission tooth (2322) matched with the gear set (212). One end of the lower support plate (232) far away from the cleaning unit (10) is also provided with a sliding part (2423) matched with the sliding rail (222). The middle part of the end of the lower supporting plate (232) close to the cleaning unit (10) is also provided with a first clamping groove (2326). Second clamping grooves (2328) are symmetrically formed in two sides, close to the cleaning unit (10), of the lower supporting plate (232). The first clamping groove (2326) and the second clamping groove (2328) are used for fixing the cleaning unit (10), so that the cleaning unit (10) can be quickly pulled out and plugged in. The waterway connector (233) is used for connecting the cleaning unit (10) with an external waterway. The waterway connector (233) at least comprises two water passing holes (2334) which are respectively used for washing women and buttocks. The water path connecting piece (233) is close to one side of the cleaning unit (10) and is further provided with an O-shaped sealing ring (2332), and the O-shaped sealing ring (2332) is used for sealing a water path on one hand and can be used for fixing the cleaning unit (10) on the other hand, so that the cleaning unit (10) can be quickly pulled out and plugged in. The said
Referring to fig. 7-13, the cleaning unit (10) includes an upper cover plate (11), a lower cover plate (13) engaged with the upper cover plate (11), and a cleaning member (12) disposed between the upper cover plate (11) and the lower cover plate (13).
Referring to fig. 8, the upper cover plate (11) is provided with water passing holes (113) for gynecological washing and buttocks washing. In one embodiment, two of the water passing holes (113) are included. The periphery of the water passing hole (113) forms a concave part (114) along the direction away from the lower cover plate (13). The hollow part (114) and the cleaning piece (12) form a cavity (110) communicated with the outside, so that the water passing hole (113) can mix part of air to form bubble water due to venturi phenomenon in the water spraying process. Specifically, in one embodiment, the cleaning member (12) and the lower cover plate (13) are further provided with a first through hole (125) and a second through hole (132) which are communicated with the outside, so that the cavity (110) is communicated with the external space sequentially through the first through hole (125) and the second through hole (132). The upper cover plate (11) is further provided with a clamping groove (111) fixed with the cleaning piece (12), and the clamping groove (111) is arranged on the side plates on two sides of the upper cover plate (11). The upper cover plate (11) is further provided with a clamping protrusion (112) matched with the second clamping groove (2328).
Referring to fig. 9-10, the cleaning member (12) includes a water inlet (120) and a water jet (121) in communication with the water inlet (120). The water inlet (120) is communicated with the water passing hole (2334) and is used for washing women and buttocks. A rectifying cavity is formed between the water inlet (120) and the water spraying port (121). The whole shape of the rectifying cavity can be circular arc, straight line or fold line; when the whole shape of the rectification cavity is linear, an included angle of more than or equal to 30 degrees and less than or equal to 90 degrees is formed between the extending direction of the rectification cavity and the water inlet direction of the water inlet (120). In one embodiment, the device comprises two rectification cavities, wherein the whole shape of one rectification cavity is arc-shaped; the whole shape of the other rectifying cavity is straight.
A plurality of rectifying pieces are arranged in the rectifying cavity and used for preventing water sprayed out of the water spraying port (121) from forming turbulence, so that experience is affected. The rectifying piece can be a columnar bulge (122), a water retaining bar (123), a water retaining step (126) and an anti-vortex bulge (124) arranged at the water spraying port (121). The columnar bulges (122), the water retaining strips (123) and the water retaining steps (126) are mainly used for reducing the speed of water flow, so that the water flow forms slow flow. The vortex-preventing protrusions (124) are mainly used for preventing the water flow of the water jet (121) from forming vortex.
Specifically, the columnar protrusion (122) may have a regular or irregular solid geometry such as a columnar, mesa-like, or conical structure, so long as it can play a role in slow flow. More preferably, selected from regular solid geometries. The number of the columnar projections (122) can be selected according to actual needs, and is controlled to be less than 10 per rectifying cavity, so that the rectifying cavity is prevented from being blocked. In other embodiments, the columnar protrusion (122) has a cylindrical structure with a top arc transition.
The water retaining strips (123) and the water retaining steps (126) are mainly used for reducing the speed of water flow so that the water flow forms slow flow. The height of the water baffle bar (123) and the water baffle step (126) is not more than half of the maximum height of the rectifying cavity, so that the rectifying cavity is prevented from being blocked. Preferably, the height of the water retaining bar (123) and the water retaining step (126) is about 1/3 of the maximum height of the rectifying cavity, so that slow flow can be realized and the rectifying cavity can be prevented from being blocked.
The anti-vortex protrusions (124) may be flaps disposed circumferentially about the water jet (121). The number of the anti-vortex protrusions (124) can be 3-5, and the anti-vortex protrusions are arranged on the circumference of the water spraying port (121) at equal intervals. Further, in order to prevent the vortex preventing protrusions (124) from blocking the water jet (121), the water jet (121) may be formed in a horn-like structure in the water jet direction, that is, the diameter of the water jet (121) in the water jet direction is decreased.
Referring to fig. 10, in one embodiment, the device includes a 1/4 circular arc rectifying cavity and a linear rectifying cavity, and an included angle of 90 ° is formed between an extending direction of the linear rectifying cavity and a water inlet direction of the water inlet (120). Further, the 1/4 circular arc-shaped rectifying cavity is divided into two parts through the water retaining strip (123), each part comprises 3-4 columnar bulges (122), and the water spraying port (121) of the 1/4 circular arc-shaped rectifying cavity comprises 4 vortex-preventing bulges (124) which are symmetrically arranged; the straight-line rectifying cavity is divided into two parts through the water retaining steps (126), each part comprises 2-3 columnar bulges (122), and the water spraying port (121) of the straight-line rectifying cavity comprises 4 vortex-preventing bulges (124) which are symmetrically arranged. Referring to fig. 13-14, fig. 13 is a photograph of the water jet (121) before the rectification, and fig. 14 is a photograph of the water jet (121) after the rectification. It can be seen from the figure that the turbulence phenomenon of water spraying after rectification is obviously improved.
The cleaning piece (12) further comprises the first through hole (125), so that the cavity (110) is communicated to an external space through the first through hole (125) and the second through hole (132) in sequence. The cleaning piece (12) further comprises a quick-release clamping block (126), and the quick-release clamping block (126) is matched with the clamping groove (111) of the upper cover plate (11) to realize quick-release fixation of the cleaning piece (12).
The lower cover plate (13) is provided with a sealing part (131) matched with the rectifying cavity and used for sealing the rectifying cavity. In one of the facts, two sealing parts (131) are included. The lower cover plate (13) further comprises a second through hole (132), so that the cavity (110) is communicated to an external space through the first through hole (125) and the second through hole (132) in sequence. The lower cover plate (13) is further provided with a pulling and inserting part (133) matched with the first clamping groove (2326), and the rapid pulling and inserting of the cleaning unit (10) and the sliding support (23) can be realized through the matching of the pulling and inserting part (133) and the first clamping groove (2326). The lower cover plate (13) is further provided with an anti-slip part (134) for increasing friction during plugging.
The present invention further provides a smart toilet using the cleaning mechanism as described above.
Embodiments of the present invention further provide a cleaning apparatus using the cleaning unit (10) as described above.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, and various modifications and variations may be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The utility model provides a wiper mechanism of intelligent closestool which characterized in that includes:
a telescoping control unit (20);
a cleaning unit (10) arranged at one end of the expansion control unit (20);
the cleaning unit (10) includes: an upper cover plate (11), a lower cover plate (13) which is clamped with the upper cover plate (11), and a cleaning piece (12) which is arranged between the upper cover plate (11) and the lower cover plate (13); the cleaning piece (12) comprises a water inlet (120) and a water spraying port (121) communicated with the water inlet (120), and a rectifying cavity is formed between the water inlet (120) and the water spraying port (121); a plurality of rectifying pieces are arranged in the rectifying cavity and used for preventing water sprayed from the water spraying port (121) from forming turbulent flow;
the rectifying piece comprises a columnar bulge (122), a water retaining bar (123), a water retaining step (126) and an anti-vortex bulge (124) arranged at the water spraying port (121); the anti-vortex protrusions (124) are baffle plates distributed along the circumference of the water spraying port (121), and the number of the anti-vortex protrusions (124) is 3-5.
2. The intelligent toilet bowl cleaning mechanism according to claim 1, wherein the rectifying chamber has an overall shape of a circular arc, a straight line or a broken line; and an included angle of more than or equal to 30 degrees and less than or equal to 90 degrees is formed between the extending direction of the linear rectifying cavity and the water inlet direction of the water inlet (120).
3. The intelligent toilet bowl cleaning mechanism of claim 1, wherein the stud bumps (122) are cylindrical, mesa, cone-like structures or other irregular solid geometries.
4. A cleaning mechanism for a smart toilet according to claim 3, characterized in that the number of stud bumps (122) is controlled to be within 10 per rectifying chamber.
5. The intelligent toilet bowl cleaning mechanism of claim 1, wherein the height of the water bar (123) and the water bar step (126) is less than half the maximum height of the rectification chamber.
6. The cleaning mechanism of the intelligent closestool according to claim 1, comprising a 1/4 circular arc rectifying cavity and a linear rectifying cavity, wherein an included angle of 90 degrees is formed between the extending direction of the linear rectifying cavity and the water inlet direction of the water inlet (120); the 1/4 circular arc-shaped rectifying cavity is divided into two parts through the water retaining strip (123), each part comprises 3-4 columnar bulges (122), and the water spraying port (121) of the 1/4 circular arc-shaped rectifying cavity comprises 4 eddy-current preventing bulges (124) which are symmetrically arranged; the straight-line rectifying cavity is divided into two parts through the water retaining steps (126), each part comprises 2-3 columnar bulges (122), and the water spraying port (121) of the straight-line rectifying cavity comprises 4 vortex-preventing bulges (124) which are symmetrically arranged.
7. A smart toilet comprising a cleaning mechanism as claimed in any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372356.2A CN114876019B (en) | 2022-04-11 | 2022-04-11 | Intelligent closestool's wiper mechanism, intelligent closestool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210372356.2A CN114876019B (en) | 2022-04-11 | 2022-04-11 | Intelligent closestool's wiper mechanism, intelligent closestool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114876019A CN114876019A (en) | 2022-08-09 |
| CN114876019B true CN114876019B (en) | 2023-06-20 |
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| CN202210372356.2A Active CN114876019B (en) | 2022-04-11 | 2022-04-11 | Intelligent closestool's wiper mechanism, intelligent closestool |
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Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6269493B2 (en) * | 1999-10-12 | 2001-08-07 | Edwin C. Sorensen | Breakaway drain cover |
| WO2018046555A1 (en) * | 2016-09-06 | 2018-03-15 | Tece Gmbh | Filling valve having a main valve |
| CN207891980U (en) * | 2018-01-19 | 2018-09-21 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of drain valve valve seat construction that the row of raising is fast and the drain valve with it |
| CN108442474A (en) * | 2018-05-22 | 2018-08-24 | 惠达卫浴股份有限公司 | A kind of Fast Installation simultaneously can improve overflow capability and reduce the moisturizing cap of moisturizing sound |
| CN208618518U (en) * | 2018-05-25 | 2019-03-19 | 广东乐华家居有限责任公司 | A kind of spray gun and intelligent closestool of intelligent closestool |
| CN208988676U (en) * | 2018-07-27 | 2019-06-18 | 厦门瑞尔特卫浴科技股份有限公司 | A kind of water-closet bowl cover plate and its washer jet structure |
| CN109653324A (en) * | 2018-12-28 | 2019-04-19 | 广东乐华家居有限责任公司 | A kind of intelligent closestool nozzle and intelligent closestool spray gun |
| CN211816724U (en) * | 2019-10-18 | 2020-10-30 | 厦门建霖健康家居股份有限公司 | Splash-proof spray head |
| CN212069195U (en) * | 2020-03-25 | 2020-12-04 | 深圳市博电电子技术有限公司 | Spray gun nozzle, spray gun and intelligent toilet equipment |
| CN112081208B (en) * | 2020-10-09 | 2025-08-08 | 浙江怡和卫浴有限公司 | Nozzle assembly and cleaning device thereof, smart toilet seat and smart toilet |
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Denomination of invention: Cleaning mechanism and intelligent toilet for intelligent toilets Effective date of registration: 20230815 Granted publication date: 20230620 Pledgee: Xiamen Huli Sub branch of Agricultural Bank of China Co.,Ltd. Pledgor: XIAMEN OLT Co.,Ltd. Registration number: Y2023980052220 |