CN219798497U - Early warning device suitable for low floor prevents returning water backward flow - Google Patents

Early warning device suitable for low floor prevents returning water backward flow Download PDF

Info

Publication number
CN219798497U
CN219798497U CN202321156275.5U CN202321156275U CN219798497U CN 219798497 U CN219798497 U CN 219798497U CN 202321156275 U CN202321156275 U CN 202321156275U CN 219798497 U CN219798497 U CN 219798497U
Authority
CN
China
Prior art keywords
early warning
cavity
induction
warning device
pontoon
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202321156275.5U
Other languages
Chinese (zh)
Inventor
欧本红
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Gongben Decoration Engineering Co ltd
Original Assignee
Suzhou Gongben Decoration Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Gongben Decoration Engineering Co ltd filed Critical Suzhou Gongben Decoration Engineering Co ltd
Priority to CN202321156275.5U priority Critical patent/CN219798497U/en
Application granted granted Critical
Publication of CN219798497U publication Critical patent/CN219798497U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Emergency Alarm Devices (AREA)

Abstract

The utility model relates to the technical field of building drainage and interior decoration, and provides an early warning device suitable for low-floor backflow prevention, which comprises a buoyancy component arranged at the bottom of a floor drain core main body and capable of carrying out backflow early warning, wherein the buoyancy component comprises a shell, the upper part of the shell is provided with an induction end, the inside of the induction end is provided with an induction cavity for installing an induction module, and the induction cavity is sealed and can be detached for replacing a power supply; the lower part of the shell is provided with a floating end, a cavity is arranged in the floating end, and an early warning assembly is movably arranged in the cavity; the early warning component can undulate along with the height of the liquid level in the pipeline and generate induction signals on the induction module to perform early warning; the buoyancy component is positioned below the lowest point of the ground, so that early warning can be realized earlier; the device has simple structure, is convenient to install and replace, and the buoyancy component is positioned at the bottom of the floor drain core main body, so that the influence of human factors on the ground can be avoided.

Description

Early warning device suitable for low floor prevents returning water backward flow
Technical Field
The utility model relates to the technical field of building drainage and interior decoration, in particular to an early warning device suitable for low-floor backflow prevention.
Background
In the drainage design of most residential buildings, the sewage at the first floor is separately discharged, and drainage in kitchens, toilets, balconies, terraces and other places of the second floor and above floors is respectively carried out by using one drainage pipeline; in order to ensure that the accumulated water on the ground or the tile surface can flow away, a corresponding floor drain device is generally arranged at the position where the water can flow to the ground, namely at the water inlet of the drainage pipeline. However, in actual life, because of irregular operation of high-rise owners, some sundry wastes which are not easy to dissolve in water and have large volume are directly discharged into a drainage pipeline, such as wet tissues, sanitary towels, diaper, plastic belts, towels, bottles and cans, or food residues are poured into a kitchen sewer pipeline, so that the bottom of the main sewer pipeline is blocked.
If the situation is not timely dredged, the bottom of the vertical pipe gradually accumulates water, and the phenomenon of second floor or low floor water return can occur, so that the living quality of households on corresponding floors is affected, and even a plurality of property losses can be brought, meanwhile, contradictions such as neighborhood disputes and property disputes are caused, and the situation frequently occurs because the property is dredged or is not thoroughly dredged; in addition, the floor of the second floor has the lowest cost compared with other floors, is not easy to sell, and the water return of the water drainage pipeline is one of the important reasons for the phenomenon; therefore, a warning device is needed for timely finding the problem of water return and backflow of a second-floor or low-floor pipeline, timely informing the property to dredge, and guaranteeing the related property safety of the owner.
Disclosure of Invention
The utility model overcomes the defects of the prior art, provides the early warning device suitable for preventing the backflow of the water return of the low floor, and has the early warning function when the water return of the drainage pipeline of the low floor occurs.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a be applicable to low floor and prevent returning water early warning device that flows backward, includes the buoyancy subassembly that sets up in floor drain core main part bottom and can carry out the backward flow early warning that flows backward, buoyancy subassembly includes the casing, the upper portion of casing be provided with the induction end of floor drain core main part bottom butt joint, the inside of induction end has seted up the response chamber that is used for installing the response module; the lower part of casing is provided with the floating end, the inside of floating end is provided with the cavity, the inside movable mounting of cavity has the early warning subassembly that is used for triggering the response module early warning.
In a preferred embodiment of the utility model, the early warning assembly comprises a support arranged at the top of the cavity, a cavity is arranged at the upper part of the support, a first induction plate is arranged in the cavity, the bottom of the first induction plate is connected with a push rod, the push rod is movably arranged on the support in a penetrating manner, and one end of the push rod, which is positioned outside the cavity, is connected with a first pontoon.
In a preferred embodiment of the utility model, the early warning assembly comprises a second pontoon which is arranged in the cavity and can move, and a second induction plate is arranged at the top of the second pontoon.
In a preferred embodiment of the utility model, a guide rod for limiting the lifting of the second pontoon is arranged in the cavity, and the second pontoon is movably sleeved on the guide rod.
In a preferred embodiment of the present utility model, a spoiler is disposed on the outer circumferential surface of the floating end, and a plurality of first exhaust holes communicated with the cavity are formed below the spoiler; and the bottom of the support is provided with a second exhaust hole communicated with the cavity.
In a preferred embodiment of the utility model, the floor drain core main body comprises a panel and a bottom plate which are connected from top to bottom through connecting rods, wherein the panel is provided with a through hole, a supporting rod is arranged above the bottom plate, and a sealing cover is movably sleeved on the upper part of the supporting rod and extends into the through hole; and a reset component is arranged below the sealing cover.
In a preferred embodiment of the utility model, the reset assembly comprises a first magnetic block and a second magnetic block which are sleeved on the supporting rod from bottom to top, the magnetic poles of the first magnetic block and the magnetic poles of the opposite side of the second magnetic block are the same, the second magnetic block is embedded in the inner side of the sealing cover, and the top of the supporting rod is connected with a top cap.
In a preferred embodiment of the utility model, a flange for limiting the sealing cover is arranged at the lower part of the inner side of the through hole, and the bottom end of the sealing cover is positioned below the flange.
The utility model solves the defects existing in the background technology, and has the beneficial effects that:
(1) In the utility model, the early warning component can undulate along with the height of the liquid level in the pipeline, and an induction signal is generated on the induction module to perform early warning; the buoyancy component is arranged at the bottom of the floor drain core main body and below the lowest point of the ground, so that early warning can be realized earlier; the device simple structure is convenient for install and change, can solve current pipeline and return the untimely problem of water early warning, and buoyancy subassembly is in the bottom of floor drain core main part moreover, can avoid subaerial human factor's influence.
(2) Aiming at the early warning assembly, the first buoy can directly control the height of the first induction plate in the cavity through the ejector rod so as to generate an early warning signal between the first induction plate and the induction module after the liquid level in the pipeline exceeds a threshold value; through the structure, before the liquid level reaches the condition of water return and backflow, the attention of related personnel can be drawn, the pipeline can be dredged timely, and further the life quality and property safety of related owners are ensured.
(3) To the aforesaid early warning subassembly, utilize the lift of second flotation pontoon in the cavity, produce corresponding early warning signal between through second induction plate and the response module to remind relevant personnel to carry out dredging work, the device adopts buoyancy driven mechanical structure, and stability is good, is difficult for makeing mistakes.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic view of the construction of a preferred embodiment of the present utility model;
FIG. 2 is a top view of a preferred embodiment of the present utility model;
FIG. 3 is a cross-sectional view of section A of FIG. 2;
FIG. 4 is an enlarged view of a portion of FIG. 3 at C;
FIG. 5 is a schematic diagram of a warning assembly employing a second buoy in accordance with a preferred embodiment of the present utility model;
100 parts of floor drain core main body; 101. a panel; 102. a bottom plate; 103. a support rod; 104. sealing cover; 201. a housing; 202. an induction chamber; 203. a first pontoon; 204. a support; 205. a cavity; 206. a push rod; 207. a first sensing plate; 210. a cavity; 211. a second pontoon; 212. a second sensing plate; 213. a guide rod; 300. an induction module; 301. a receiving part; 302. a transmission member; 303. an electronic assembly; 4. a first exhaust hole; 5. a second exhaust hole; 6. a spoiler; 7. a first magnetic block; 8. a second magnetic block; 9. and (5) a top cap.
Detailed Description
The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.
Example 1
As shown in fig. 1 to 3, an early warning device for preventing backflow of water in a low floor comprises a buoyancy component which is arranged at the lower end of a floor drain core main body 100 and can perform early warning of backflow of water. The floor drain core main body 100 is generally the lowest point of ground drainage such as a bathroom, the first pontoon 203 in the early warning assembly is 3-15 cm lower than the vertical height of the floor drain core main body 100 and is positioned below the lowest point of the ground, so that early warning can be realized earlier; the device has simple structure, and can be replaced and installed only by taking off the original floor drain core and installing the buoyancy component; the assembly is arranged at the lower end of the floor drain, and children and pets in the household cannot touch the floor drain, so that the position of the floor drain cannot be moved, and further the floor drain is free from the influence of human factors on the ground.
The floor drain core main body 100 comprises a panel 101 and a bottom plate 102 which are fixedly connected through connecting rods from top to bottom, the panel 101 is provided with through holes, the through holes are conventional ground leakage openings and are used for discharging running water, the panel 101 and the bottom plate 102 are connected through the connecting rods, namely a gap for discharging the running water is formed between the panel 101 and the bottom plate 102.
A supporting rod 103 is arranged above the bottom plate 102, a sealing cover 104 is movably sleeved on the upper part of the supporting rod 103, and the sealing cover 104 and the upper end of the supporting rod 103 extend into the through hole; the sealing cover 104 can be umbrella-shaped or hollow oblate-spherical, similar to a hollow flying saucer; when the sealing cover 104 adopts the shape of a hollow oblate sphere, if water return occurs in the drainage pipeline, the hollow part of the sealing cover can also provide certain buoyancy, and the through holes are plugged together under the action of the reset assembly.
A reset component is arranged below the sealing cover 104 and is used for restoring the sealing cover 104 to the original position after being pushed by flowing water to move downwards, when water is gathered above the reset component, the sealing cover 104 can be pushed to move downwards along the supporting rod 103 under the action of gravity, a gap is formed between the sealing cover and the panel 101, so that sewage can smoothly drain out of the through hole, an annular flange is arranged at the bottom in the through hole for limiting the upwards moving distance of the sealing cover 104, and the bottom end of the sealing cover 104 is positioned below the flange; because the sealing cover 104 can slide on the supporting rod 103, a certain gap is reserved between the sealing cover 104 and the supporting rod, in order to prevent sewage from flowing into a room from the gap when water returns, a top cap 9 can be arranged at the top end of the supporting rod 103, the top cap 9 preferably adopts an umbrella-shaped structure which can be attached to the top of the sealing cover 104, so that the sealing performance between the sealing cover 104 and the supporting rod 103 during water return is ensured, the top cap 9 can be arranged at the top of the supporting rod 103 in a threaded connection mode, and other modes such as grafting, clamping and the like can also be adopted for connection.
The reset assembly comprises a first magnetic block 7 and a second magnetic block 8 sleeved on the supporting rod 103 from bottom to top, wherein the second magnetic block 8 is embedded in the inner side of the sealing cover 104, and magnetic poles on the opposite sides of the first magnetic block 7 and the second magnetic block 8 are the same, namely magnetic force which is mutually repulsed can be generated; when the gravity borne by the upper part of the sealing cover 104 is greater than the magnetic force, the sealing cover 104 moves downwards along the supporting rod 103; when the gravity borne by the upper part of the sealing cover 104 is smaller than the magnetic force, the sealing cover 104 is propped back to the original position again; wherein, the first magnetic block 7 and the second magnetic block 8 are formed by permanent magnets.
As shown in fig. 1-4, the buoyancy module comprises a housing 201, wherein an upper portion of the housing 201 is provided with a sensing end which is in butt joint with the bottom of the bottom plate 102, and a sensing cavity 202 for installing a sensing module 300 is arranged in the sensing end. When the sensing end is in butt joint with the bottom of the bottom plate 102, the sensing cavity 202 is in a sealed state, and the sensing end and the bottom plate 102 can be detached so as to be convenient for replacing a power supply; the sensing module 300 can generate an early warning signal when the first sensing plate 207 approaches, and can send the signal to the client in a wireless communication manner; specifically, as the liquid level in the drainage pipeline rises to push the first buoy 203 to move upwards, the first sensing plate 207 is close to the sensing module 300 in the cavity 205 through the ejector rod 206, and a corresponding early warning signal can be generated in the sensing module 300.
The sensing module 300 includes a receiving component 301, a transmitting component 302, and an electronic assembly 303 for providing power, which are sequentially arranged from bottom to top; the receiving part 301 is installed at the bottom of the sensing cavity 202 corresponding to the first sensing plate 207, and the working manner between the first sensing plate 207 and the receiving part 301 includes, but is not limited to, near field communication, namely "NFC", and the first sensing plate 207 may be a coil similar to a door control card, a magnet or various metals, and the receiving part 301 is an inductor capable of generating an early warning signal corresponding to the internal components of the first sensing plate 207; in summary, when the first sensing plate 207 is close to the receiving member 301 within a certain range, the receiving member 301 generates a corresponding signal; the signal generated in the receiving unit 301 is sent to the client of the user through the transmitting unit 302 in a wireless communication manner, so as to remind relevant personnel of the impending or already occurring water return phenomenon; the electronic assembly 303 mainly provides power for the receiving part 301, the transmitting part 302 and other parts, which can adopt a battery pack with a model number of 2032, meanwhile, the electronic assembly 303, the receiving part 301 and the transmitting part 302 are all electrically connected, and the working mode of the transmitting part 302 can be implemented based on but not limited to the internet of things technology, which is a mature prior art and will not be further described herein.
Furthermore, the buoyancy component can be abutted to the bottom end of the bottom plate 102 in a threaded connection manner, and can also be connected in other connection manners such as locking and clamping manners; a sealing ring for ensuring the tightness of the induction cavity 202 is arranged on the transverse contact surface of the bottom plate 102 and the shell 201, the outer diameter of the bottom plate 102 is larger than that of the shell 201, and a baffle for improving the sealing effect extends from the bottom of the bottom plate 102 to the outer side of the sealing ring.
If the first pontoon 203 is too close to the inner wall of the cavity 210, a certain air resistance may be generated above the first pontoon 203 to affect the normal floating of the first pontoon 203, and in order to avoid such a situation, a plurality of first air exhaust holes 4 communicated with the cavity 210 may be formed on the outer wall of the floating end for the first pontoon 203 to float normally; however, when the water flows down along the outer wall of the casing 201, the water flows through the outer end of the first exhaust hole 4, and according to the bernoulli principle, the pressure is smaller at the position with higher flow speed, so that the pressure above the first pontoon 203 is influenced, the pressure is upwards moved under the influence of the water flow during normal water drainage, and false alarm is generated; based on the above, a corresponding spoiler 6 can be arranged at the upper end of the first exhaust hole 4 to interfere with Bernoulli acting force of water flow at the first exhaust hole 4, so that early warning accuracy of the device is ensured.
Further, in order to realize quick assembly and disassembly of the buoyancy component, the support 204 and the top of the cavity 210, and the ejector rod 206 and the first buoy 203 may be detachably connected, where the connection manner includes, but is not limited to, threaded connection, clamping connection, locking connection, and the like; meanwhile, in order to avoid accumulated water in the cavity 205, a hemispherical groove is formed at the bottom of the cavity 205, and the accumulated water can be discharged along the inner wall of the groove through a gap between the ejector rod 206 and the support 204; similarly, the bottom of the support 204 is also provided with a second exhaust hole 5 communicated with the cavity 205, so that the first sensing plate 207 can be conveniently moved and accumulated water can be conveniently discharged out of the cavity 205.
The technical scheme disclosed by the utility model is utilized to execute the early warning work of the return water and the backward flow of the second floor or low floor drainage pipeline, and the specific working principle is as follows:
the assembly process for the floor drain core body 100: first, the first magnetic block 7 is sleeved on the supporting rod 103, the second magnetic block 8 is embedded at the top of the inner side of the sealing cover 104, then the sealing cover 104 is sleeved at the upper end of the supporting rod 103, the bottom end of the sealing cover 104 falls below the flange, and then the top cap 9 is screwed into the top end of the supporting rod 103.
The assembly process for the buoyancy assembly: the sensing module 300 is installed in the sensing cavity 202 at the sensing end, firstly, the mandrel 206 is passed through the support 204, so that the end opposite to the first sensing plate 207 falls below the support 204, then the support 204 is screwed into the bottom of the shell 201, and then the first buoy 203 is connected to the end of the mandrel 206.
After the floor drain core main body 100 and the buoyancy component are assembled, a sealing ring is sleeved on the outer side of a boss at the upper end of the shell 201, the shell 201 is abutted to the bottom of the bottom plate 102, so that the whole assembly of the early warning device is completed, and then the early warning device is installed at the water inlet of a corresponding drainage pipeline.
During normal drainage, sewage flows through the through hole on the panel 101 to push away the sealing cover 104 and falls into the drainage pipeline, and at the moment, the first pontoon 203 is driven by the gravity of the first pontoon to fall on the bottom of the cavity 205 through the ejector rod 206; when the drainage is blocked, a certain amount of sewage is accumulated in the drainage pipeline, at the moment, the liquid level in the pipeline rises to push the first buoy 203 to move upwards, and the first sensing plate 207 also moves upwards under the action of the ejector rod 206; when the liquid level rises to a certain height, the first sensing plate 207 enters the sensing range of the receiving component 301, the receiving component 301 generates an early warning signal, and the signal is sent to the client of the user through the transmission component 302, so that the related personnel is reminded that the liquid level in the pipeline is higher at the moment, the risk of water return occurs, and accordingly the related personnel can make corresponding measures in time.
Example two
As shown in fig. 5, on the basis of the first embodiment, the early warning assembly adopts a second pontoon 211 which is mounted in the cavity 210 and can move, and a second sensing plate 212 is disposed on the top of the second pontoon 211. Under the action of buoyancy and gravity, the second buoy 211 can sink and float in the cavity 210, and the second sensing plate 212, like the first sensing plate 207 in the first embodiment, generates an early warning signal in the sensing module 300 when it enters the sensing range of the sensing module 300, and the signal can be sent to the client of the user as well.
Above, the second pontoon 211 is located in the cavity 210, and an opening smaller than the diameter of the second pontoon 211 may be formed at the bottom of the cavity 210, and a plurality of small holes may be formed at the bottom of the cavity 210; the former can satisfy the sewage in the drainage pipe and can not break away from cavity 210 when second flotation pontoon 211 gets into cavity 210, and the latter can also avoid carrying the great impurity of volume in the sewage in the pipeline and getting into cavity 210 in, occupy cavity 210 space, hinder second flotation pontoon 211 to remove when satisfying preceding requirement.
In order to ensure that the second pontoon 211 can smoothly lift in the cavity 210, at least one guide rod 213 may be disposed in the cavity 210, and the second pontoon 211 is movably sleeved on the guide rod 213 to limit and guide the second pontoon 211; in addition, the limiting guide can be performed by, but not limited to, opening a corresponding chute on the inner side of the cavity 210 and movably embedding the outer side of the second pontoon 211 in the chute.
In addition, the first pontoon 203 of the first embodiment or the second pontoon 211 of the second embodiment may have any shape including, but not limited to, hollow structure, solid material with density less than water, and any shape such as cylinder, sphere or cone.
The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (8)

1. Early warning device suitable for low floor prevents returning water backward flow, its characterized in that: the floor drain comprises a buoyancy component which is arranged at the bottom of a floor drain core main body (100) and can perform backflow early warning of water return, wherein the buoyancy component comprises a shell (201), an induction end which is in butt joint with the bottom of the floor drain core main body (100) is arranged at the upper part of the shell (201), and an induction cavity (202) for installing an induction module (300) is formed in the induction end; the lower part of casing (201) is provided with the floating end, the inside of floating end is provided with cavity (210), the inside movable mounting of cavity (210) has the early warning subassembly that is used for triggering induction module (300) early warning.
2. The early warning device for preventing backflow of water suitable for low floors according to claim 1, wherein: the early warning assembly comprises a support (204) arranged at the top of the cavity (210), a cavity (205) is formed in the upper portion of the support (204), a first induction plate (207) is arranged in the cavity (205), a push rod (206) is connected to the bottom of the first induction plate (207), the push rod (206) movably penetrates through the support (204), and one end, outside the cavity (205), of the push rod (206) is connected with a first pontoon (203).
3. The early warning device for preventing backflow of water suitable for low floors according to claim 1, wherein: the early warning assembly comprises a second pontoon (211) which is arranged in the cavity (210) and can move, and a second induction plate (212) is arranged at the top of the second pontoon (211).
4. The early warning device for preventing backflow of water suitable for low floors according to claim 3, wherein: the cavity (210) is internally provided with a guide rod (213) for limiting the lifting of the second pontoon (211), and the second pontoon (211) is movably sleeved on the guide rod (213).
5. The early warning device for preventing water backflow suitable for low floors according to claim 2, wherein: a spoiler (6) is arranged on the outer diameter circumferential surface of the floating end, and a plurality of first exhaust holes (4) communicated with the cavity (210) are formed below the spoiler (6); and the bottom of the support (204) is provided with a second exhaust hole (5) communicated with the cavity (205).
6. The early warning device for preventing backflow of water suitable for low floors according to claim 1, wherein: the floor drain core main body (100) comprises a panel (101) and a bottom plate (102) which are connected from top to bottom through connecting rods, a through hole is formed in the panel (101), a supporting rod (103) is arranged above the bottom plate (102), and a sealing cover (104) is movably sleeved on the upper part of the supporting rod (103) and extends into the through hole; a reset component is arranged below the sealing cover (104).
7. The early warning device for preventing backflow of water suitable for low floors according to claim 6, wherein: the reset assembly comprises a first magnetic block (7) and a second magnetic block (8) which are sleeved on the supporting rod (103) from bottom to top, the magnetic poles of the first magnetic block (7) and the opposite side of the second magnetic block (8) are the same, the second magnetic block (8) is embedded on the inner side of the sealing cover (104), and the top of the supporting rod (103) is connected with a top cap (9).
8. The early warning device for preventing backflow of water suitable for low floors according to claim 6, wherein: the lower part of the inner side of the through hole is provided with a flange used for limiting the sealing cover (104), and the bottom end of the sealing cover (104) is positioned below the flange.
CN202321156275.5U 2023-05-15 2023-05-15 Early warning device suitable for low floor prevents returning water backward flow Active CN219798497U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321156275.5U CN219798497U (en) 2023-05-15 2023-05-15 Early warning device suitable for low floor prevents returning water backward flow

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321156275.5U CN219798497U (en) 2023-05-15 2023-05-15 Early warning device suitable for low floor prevents returning water backward flow

Publications (1)

Publication Number Publication Date
CN219798497U true CN219798497U (en) 2023-10-03

Family

ID=88176347

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321156275.5U Active CN219798497U (en) 2023-05-15 2023-05-15 Early warning device suitable for low floor prevents returning water backward flow

Country Status (1)

Country Link
CN (1) CN219798497U (en)

Similar Documents

Publication Publication Date Title
CN201416204Y (en) Excrement disc device and a toilet flushing device without water having same
CN219798497U (en) Early warning device suitable for low floor prevents returning water backward flow
CN102174830B (en) Automatic water-saving device
CN213836912U (en) Pre-wetting squatting toilet
CN206189540U (en) Intelligence water conservation squatting pan between public health
CN108316438B (en) Toilet bowl
CN210421356U (en) Anti-overflow finished rainwater well
CN212896664U (en) Infrared induction water tank for toilet
CN203334387U (en) Combination type water-saving valve for toilet bowl
CN214657522U (en) Novel intelligent water-saving closestool
CN201136988Y (en) Protector for preventing water inlet without stop after washing machine water level transducer failure
CN210507674U (en) Bath device and toilet bowl
CN210071066U (en) Remote monitoring system for dam sump drainage
CN214657491U (en) Toilet water tank convenient to drainage
CN201149510Y (en) Household flood-proof alarm device
CN201173809Y (en) Family water flood prevention monitoring apparatus
CN2786209Y (en) Household automatic water saving device
CN220891901U (en) Pipeline blocking annunciator and drainage pipeline thereof
CN219080519U (en) Closestool blockage alarm system based on intelligent control of siphon throughput
CN214536784U (en) Dehumidifier water tank and dehumidifier
CN218779600U (en) Improved squatting pan water tank
CN202081456U (en) Rotational flow compensation tank without negative pressure
CN212866208U (en) High-pressure water-saving squatting pan
CN201040871Y (en) Deodorization anti-overflow device for downcast pipe
CN216341220U (en) School is with energy-conserving intelligent toilet cleaning system of environmental protection

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant