92results about How to "Avoid Waterlogging Problems" patented technology

This utility model relates to the technical field of engineering construction, and in particular to a drainage channel structure for expansion joints. It includes: an inter-column drainage channel, disposed between adjacent structural columns, with an inter-column connecting plate; clearance grooves are provided on the sides of adjacent structural columns; the inter-column connecting plate is fixedly connected to a structural beam and embedded in the clearance groove; a first inter-beam drainage channel and a second inter-beam drainage channel are respectively disposed at both ends of the inter-column drainage channel, both disposed between adjacent structural beams; each inter-beam drainage channel has a beam bottom connecting plate, fixedly connected to the bottom of the structural beam; the first inter-beam drainage channel, the inter-column drainage channel, and the second inter-beam drainage channel overlap sequentially to form a slope and are interconnected; an expansion joint waterproofing strip is provided between the beam bottom connecting plate and the bottom of the structural beam. This application has the effect of forming a second line of defense against water seepage in expansion joints, preventing indoor water seepage.

The utility model discloses a video lamp with a spliced panel, which belongs to a decorative lamp and comprises a sectional material lamp body groove, a light source component is mounted in the sectional material lamp body groove, the panel is further mounted on the sectional material lamp body groove in a fastening manner, the panel is provided with a plurality of splicing units, and each splicing unit is provided with a hollow drain hole. End covers are mounted at the two ends of the profile lamp body groove, and hollow drainage holes are also formed in the end covers; a junction box assembly is installed on the lower portion of the profile lamp body groove and electrically connected with the light source assembly. The panel is designed to be of the splicing structure with the hollowed-out drainage holes, the end covers with the hollowed-out drainage holes are matched, the sectional material lamp body groove can effectively drain water in the longitudinal direction and the transverse direction, water accumulation in the light source cavity is avoided, the light source assembly is directly clamped and installed in the sectional material lamp body groove and is not installed in a plate penetrating mode any more, and after hidden wiring is adopted, the light source assembly can be directly installed in the sectional material lamp body groove. The junction box can be installed on the lower portion of the profile lamp body groove in a sealed mode, and waterproof sealed use is achieved.

The utility model discloses a kind of live pig slaughtering process carcass bacterium-reducing equipment, it is related to slaughtering bacterium-reducing technical field, including first baffle, second baffle, water pump, water supply line and motor, the first baffle inside is provided with cleaning mechanism, the cleaning mechanism includes water pump, cleaning roller, motor, water supply line and high pressure spray head, the high pressure spray head is set below water supply line, the water supply line is set above water pump, the motor is installed above cleaning roller, cleaning mechanism is through the double action of high pressure spray head water spraying and cleaning roller mechanical friction, realize the stereoscopic removal of carcass surface stain and bacteria.

The utility model provides a kind of for the fixing jig of auxiliary cleaning intraoral detector flat plate, including bearing plate (1) and at least one group of pressing strip component (2);The limiting recess (11) for containing and limiting intraoral detector flat plate (3) is formed on the bearing plate (1);The group of pressing strip component (2) includes fixed pressing strip component (22) and movable pressing strip component (21);The movable pressing strip component (21) is movably connected on the bearing plate (1) and is close to the end setting of limiting recess (11), for partly covering limiting recess (11) to limit the end of intraoral detector flat plate (3). When intraoral detector flat plate is cleaned, face the scouring of water flow, airflow, can block intraoral detector flat plate to separate from fixing jig and cause damage.

The utility model relates to loudspeaker technical field especially relates to a dustproof waterproof micro loudspeaker. It includes installation main shell, is provided with loudspeaker main body spare in the installation main shell, is provided with dustproof waterproof subassembly in the installation main shell top screw thread, is provided with first dustproof shell in dustproof waterproof subassembly top screw thread. The dust screen one (the larger number of meshes) of utility model top setting filters big particle dust first, the dust screen two (the smaller number of meshes) of outer layer further blocks fine dust, forms the double protection of rough filter plus fine filter, avoids the dust accumulation influence loudspeaker sounding efficiency, and the threading groove of installation main shell bottom is covered by fixed shell, and the inside seal plug passes through the elastic extrusion package connecting line, prevents dust from entering the shell inside from the line interface, ensures that loudspeaker main body spare is long -term clean.

The utility model provides a 3M hanging basket which comprises a hook with a 3M adhesive tape adhered to the back, an upper basket is hung on the hook, a lower basket capable of being pulled open is arranged on the upper basket, first clamping parts are longitudinally and symmetrically arranged on the left side and the right side of the bottom of the upper basket, a second clamping part is longitudinally arranged in the middle of the bottom of the upper basket, and the first clamping parts are connected with the second clamping part. The lower basket is provided with a first buckle and a second buckle which are respectively buckled on the first clamping part and the second clamping part, and the first buckle and the second buckle are respectively in sliding fit with the first clamping part and the second clamping part in a front-back moving manner. The storage basket has the advantages that the lower basket buckled on the upper basket can be opened and closed, so that a layered storage space is provided.

The utility model relates to a large-scale accessible pitched roof structure based on dot-matrix ridge grids. The large-scale accessible pitched roof structure comprises a roof main body structure (1), the ridge main body structure (2) is formed by arranging a plurality of ridge supporting frameworks (21) on the roof main body structure (1) in a dot-matrix mode so as to disperse roof loads, and orderly drainage channels are formed in dot-matrix staggered gaps; the waterproof and moisture-proof structure (3) is laid on the ridge main body structure (2) so as to form a multi-layer waterproof and moisture-proof barrier and provide anti-sliding anchoring for the upper layer; and the people getting-on stone step platform (4) is laid on the waterproof and moisture-proof structure (3), serves as a space utilization core and provides a safe and stable people getting-on activity area. The stability of connection with the roof main body structure (1) is improved by arranging the ridge supporting framework, the orderly drainage of the inside and the outside is ensured by arranging the waterproof and moisture-proof structure (3), and the utilization rate of the roof is increased by arranging the man-stone step platform (4).

The invention belongs to the technical field of prevention, drainage and water storage, and discloses a planting roof drainage and water storage system which comprises an intelligent drainage module, an intelligent water storage module, an environment monitoring and regulating module and a plant growth assisting module. The intelligent drainage module, the intelligent water storage module, the environment monitoring and regulation module and the plant growth assisting module cooperate with one another, and intelligent management of the planting roof water prevention, drainage and storage process and optimization of the plant growth environment are achieved. Through mutual cooperation of the intelligent drainage module, the intelligent water storage module, the environment monitoring and regulation module and the plant growth assisting module, comprehensive intelligent management of the planting roof water prevention, drainage and storage process and precise optimization of the plant growth environment are achieved. In practical application, each module dynamically adjusts the operation state according to data monitored in real time, and the defect that each part of a traditional planting roof system operates independently and is lack of collaboration is avoided.

The utility model relates to a termite monitoring, inducing and treating integrated device, which solves the problem of poor termite monitoring and killing effects caused by information transmission lag and poor environmental adaptability of equipment in the existing termite monitoring and killing technology, and adopts the technical scheme that a shell comprises an upper cover and a shell body which are detachably connected, and a through hole is formed in the side wall of the shell body; the monitoring module is arranged in the shell and used for collecting image information of the termites in real time; the signal transmission module is arranged outside the shell, is connected with the monitoring module and is used for wirelessly transmitting the monitoring data to an external upper computer; the killing module is arranged in the shell and can release an ant killing agent; and the inducing structure is bait for inducing termites and is arranged at the inner bottom of the shell.

The utility model belongs to the technical field of navigation marks, and particularly relates to a guide type navigation mark lamp base convenient to align and install, which comprises a base fixing support, a guide disc, a locking matching block and a base heightening support. The guide disc and the locking matching block are connected and are arranged in the base fixing bracket; the upper portion of the guide disc is connected with the top face of the base fixing support, and the lower portion of the locking matching block is connected with the bottom face of the base fixing support. The base heightening support is arranged at the bottom of the base fixing support. According to the utility model, the guide disc and the locking matching block which play a guiding role are arranged, so that the height matching of the base and the beacon light is realized, and the installation process of the beacon light is safer and more convenient; and by forming the drainage hole in the locking matching block, the purpose of preventing water accumulation is achieved, and therefore the service life is prolonged.

This utility model relates to the field of roadbed drainage technology and discloses a roadbed drainage structure for municipal road construction, including a drainage box for placement at a drainage outlet. The box has openings at its top, left, and right ends, and a placement groove with a rainwater grate installed at the top opening. Two sets of fixing grooves are vertically arranged opposite each other inside the drainage box. Filter plates are detachably inserted into both sets of fixing grooves, with the filter holes of the two filter plates facing the left and right ends of the drainage box, respectively. The opposite sidewalls of the placement grooves abut against the sidewalls of the two filter plates. A receiving plate is located at the bottom of the drainage box between the two filter plates, and an extension frame is provided at its top. The opposite sidewalls of the extension frame are provided with several permeable holes. This utility model allows for easy disassembly of the filter structure, thereby achieving thorough removal of sticky substances.

The application discloses a floating diving offshore platform, which comprises a base, a buoyancy unit, a floating diving unit, a mooring unit and a device box. The base is a net-shaped structure formed by the cross connection of multiple ropes. The buoyancy unit and the floating diving unit are fixedly connected above the base. The mooring unit is arranged around the base and connected with the floating diving unit. The floating diving unit and the mooring unit jointly act on the base to realize the floating and diving of the base. The device box for loading functional devices is detachably connected inside the base. The floating diving offshore platform can resist deep sea harsh sea conditions, has device arrangement and personnel activity space, reduces construction cost and solves the problem of difficult device replacement.

The utility model belongs to new energy technology field, especially point to a kind of flexible photovoltaic carport, including the main stand and main support beam of transverse interval arrangement, several steel strands are arranged on two main support beams, and the both ends of steel strand are anchored in tension with main support beam, several longitudinal oblique drainage channels are arranged on the steel strand between two main support beams, longitudinal oblique drainage channel is connected with steel strand by first connecting piece, and photovoltaic panel assembly is spliced and is laid flat on the top of the canopy formed by main support beam and steel strand by second connecting piece installed on longitudinal oblique drainage channel;The utility model forms canopy bearing structure by the steel strand of transverse arrangement and main support beam, need not set up transverse purlin, reduce material cost and assembly complexity.

This utility model relates to the field of artificial flower pot technology, and more particularly to a structure for an artificial flower pot that facilitates drainage and moisture prevention. The structure comprises a flower pot body and an artificial flower fixing mechanism. A desiccant is placed inside the flower pot body. Multiple drainage holes are provided on the side walls of the flower pot body. A through-hole for replacing the desiccant is provided at the bottom of the flower pot body, and a sealing mechanism is provided inside the through-hole. The artificial flower fixing mechanism is attached to the top of the flower pot body. The middle part of the artificial flower fixing mechanism bends away from the flower pot body, allowing water to flow from the middle part of the artificial flower fixing mechanism to its edge and out through the drainage holes. An artificial flower is inserted into the artificial flower fixing mechanism. This utility model provides a structure for an artificial flower pot that facilitates drainage and moisture prevention, solving the technical problem that traditional flower pots easily become damp and waterlogged when artificial flowers are placed inside, leading to rotting of the artificial flowers and color changes due to moisture.

The utility model provides a winching machine for electric power construction, which comprises a driving motor, the top of the driving motor is fixedly connected with a control block, the surface of the driving motor is fixedly connected with a connecting plate, and the winching machine is characterized in that the bottom of the driving motor is fixedly connected with a rainproof assembly, one side of the rainproof assembly is fixedly connected with a flow guide assembly, and the other side of the rainproof assembly is fixedly connected with a water pump. A retarding gear box is arranged on the surface of the connecting plate, a winding drum is arranged on the surface of the retarding gear box, an extending base is fixedly connected to the surface of the rainproof assembly, the rainproof assembly is closed at any time through the structure of the rainproof assembly, rainproof operation is conducted on the driving motor from the top, and the rainproof assembly is combined with the flow guide assembly; rainwater is guided to the two sides of the device when dripping, water accumulation is prevented, the functionality of the device is further improved, meanwhile, in sunny days, the whole device can be reinforced and supported from the top through an internal structure of the rainproof assembly, and the functionality of the device is further improved.

The utility model discloses a fruit fresh-keeping bag capable of draining water. The fruit fresh-keeping bag comprises an outer layer I and an outer layer II, the first outer layer and the second outer layer are made of food-grade silica gel materials and are rectangular frames in shape, and the opposite edges of the bottom faces of the first outer layer and the second outer layer are fixedly connected. A kneading structure is arranged between the outer layer I and the outer layer II; the bag further comprises an inner bag and a moisture absorbing and discharging structure. The front side face, the rear side face and the bottom face of the inner bag are grid faces, and the left side face and the right side face of the inner bag are fan-shaped faces. The moisture absorbing and discharging structure comprises a drying sheet; liquid leakage holes are formed in the bottom surfaces of the outer layer I and the outer layer II, and soft plugs are arranged in the liquid leakage holes. The fruit draining device can drain water and prevent the bottoms of fruits from being in contact with accumulated water; meanwhile, drying pieces used for absorbing moisture are arranged on the side faces of the first outer layer and the second outer layer, the storage environment can be guaranteed, and bacterium breeding is reduced.

The utility model relates to the technical field of asphalt pavement construction, in particular to a drainage device for asphalt pavement construction. According to the technical scheme, the drainage cover comprises a drainage cover body, a supporting frame and a fixing frame, a groove is formed in the upper surface of the drainage cover body, a drainage groove is formed in the drainage cover body, a supporting box is installed on one side of the lower surface of the drainage cover body, and a fixing box is installed on the other side of the lower surface of the drainage cover body; mounting plates are fixed to the outer end faces of the two sides of the supporting box, the supporting frame is fixed to the inner wall of the supporting box, a mounting frame is movably connected to the upper surface of the supporting frame in an inserted mode, an ejector rod is fixed to the upper surface of the mounting frame, the fixing frame is fixed to the inner wall of the fixing box, and a connecting frame is movably connected to the upper surface of the fixing frame in an inserted mode; a tamping rod is fixed to the upper surface of the connecting frame, a connecting rod is movably inserted into the outer end face of one side of the connecting frame, and a fixing plate is fixed to the outer end face of one side of the connecting rod. The drainage channel can be prevented from being blocked.

The invention discloses aluminum plate strip processing surface washing decontamination equipment, and belongs to the technical field of aluminum plate strip processing, the aluminum plate strip processing surface washing decontamination equipment comprises a washing tank, two ends of the washing tank are provided with openings for an aluminum plate strip to penetrate in and out, a partition plate is fixedly arranged in the washing tank, and the interior of the washing tank is divided into a scrubbing bin and a rinsing bin by the partition plate; a plurality of first guide rollers are rotationally connected into the scrubbing bin and the rinsing bin, a drying assembly for drying the aluminum plate strip is arranged at an opening in one end of the washing tank, and a filtering assembly for treating sewage is arranged on the rear side of the washing tank. Floating dust and impurities are stripped through high-pressure spraying of the spray head, stubborn stains are removed through mechanical brushing of the brush, deep purification is conducted through the rinsing bin, continuous operation is conducted in the whole process, the surface cleanliness and cleaning uniformity of the aluminum plate strip are greatly improved, and the high-precision surface treatment requirement is met.

The utility model relates to the technical field of trap lamps, and discloses a solar light-emitting diode (LED) light-operated trap lamp which comprises a rod body. The trapping structure comprises an outer cover, a power grid, a lamp bead, baffles and notches, the outer cover and the rod body are fixedly installed, the power grid and the lamp bead are both fixedly connected with the outer cover and are both electrically connected with the control box, the outer cover is provided with a plurality of channels for insects to enter, one baffle is fixedly arranged in each channel, the baffles are provided with the notches with gradually-contracted openings, and the control box is electrically connected with the control box. The baffle with the opening is used for shielding the channel, on the basis that it is guaranteed that the channel can be used for insects to enter, the opening with the gradually-contracted opening can reduce the rainwater entering probability, then the rainproof effect of the power grid is improved, the water guide groove extending downwards in an inclined mode is matched, rainwater hitting the baffle can be drained in time, and accumulated water is avoided; the whole safety is guaranteed, the baffles can be made of transparent materials such as acrylic materials, and the light transmission and the insect attracting effect can be guaranteed.

The utility model discloses a moisture-absorbing and quick-drying fabric which comprises an outer moisture guiding layer, longitudinal grooves, an inner moisture-absorbing layer, porous channels, a moisture guiding connecting layer and water guiding channels. The outer moisture conducting layer is formed by weaving hydrophobic fibers, and longitudinal grooves are formed in the surface of the outer moisture conducting layer; the inner moisture absorption layer is of a porous structure formed by loosely weaving hydrophilic fibers, and a porous channel is formed in the inner moisture absorption layer; the moisture guiding connecting layer is arranged between the outer moisture guiding layer and the inner moisture absorbing layer, the moisture guiding connecting layer is of a net-shaped structure formed by interweaving hydrophobic fibers, continuous water guiding channels are formed among the fibers of the moisture guiding connecting layer, the cross section of the fibers of the outer moisture guiding layer is in a cross shape, a plurality of wear-resistant protrusions are arranged on the surface of the outer moisture guiding layer, and the wear-resistant protrusions are arranged between the outer moisture guiding layer and the inner moisture absorbing layer. According to the utility model, generated sweat can be absorbed and transmitted to the moisture guide layer through the internal channel, so that the sweat can be evaporated to the outside, and the effects of absorbing moisture and quickly drying are achieved.

The utility model discloses a layered structure of soilless culture, it includes planting pot, is equipped with planting matrix and water absorption rope in the planting pot, plants are planted in the planting matrix, and the water supply liquid is transported to the planting matrix through the water absorption rope, the planting matrix is divided and has a plurality of areas, and plants are planted in the planting layer, and the water absorption rope is arranged in the water saturation layer. The utility model realizes efficient water supply, and the water supply liquid is accurately transported to the water saturation layer through the water absorption rope, and in combination with layered design, the water saturation layer, planting layer and moisture retaining layer realize water gradient distribution, satisfy the demand of different growth stages of plants, avoid root waterlogging or drought, and the water saturation layer, planting layer and moisture retaining layer combination, give consideration to water conservation, ventilation and nutrient supply.

The utility model provides a kind of for the fixing jig of auxiliary cleaning intraoral probe flat plate in centrifugal cleaning machine, including disc type bottom bearing plate (1) and upper pressing plate (2);The disc type bottom bearing plate (1) is detachably connected with the upper pressing plate (2);Hole structure (11) for containing and limiting intraoral probe flat plate (3) is equipped on the disc type bottom bearing plate (1);Upper pressing plate (2) is equipped with the limiting through-hole (21) corresponding with the hole structure (11), and upper pressing plate (2) partially covers hole structure (11), to realize intraoral probe flat plate (3) is limited in hole structure (11) and partially exposed.The fixing jig is used in centrifugal cleaning machine auxiliary cleaning intraoral probe flat plate, prevent cleaning process, intraoral probe flat plate is thrown out under centrifugal force or the wafer on intraoral probe flat plate surface is damaged in rotation process, improve cleaning efficiency and cleaning effect.

The crossed roof anti-seepage structure comprises a first inclined roof panel and a second inclined roof panel, a heat preservation layer, a leveling plate, a waterproof layer and a noise reduction layer are arranged below the first inclined roof panel and the second inclined roof panel, and the bottom of the first inclined roof panel and the bottom of the second inclined roof panel are arranged in a crossed mode. Butt joint pieces are arranged at the bottoms of the first inclined roof panel and the second inclined roof panel, inserting grooves are formed in the two sides in the butt joint pieces, and U-shaped rubber sealing pieces capable of wrapping the bottoms of the first inclined roof panel and the second inclined roof panel are arranged in the inserting grooves; locking structures are arranged between the two sides of the butt joint piece and the first inclined roof panel and between the two sides of the butt joint piece and the second inclined roof panel, and a leakage-proof drainage groove is formed in the lower portion of the butt joint piece. The utility model belongs to the technical field of building roof panels, and is provided with multiple seals, namely a U-shaped rubber part, a locking structure and a T-shaped sealing gasket, so that a water seepage path is blocked; the leakage-proof drainage tank is arranged for active drainage and is cooperated with the water separation tank for diversion, so that water accumulation is avoided.

The utility model provides dust removal equipment for expanded perlite production, which comprises a tank body, a dust removal assembly is arranged on the left side of the tank body, the dust removal assembly comprises a water tank, the water tank is fixedly arranged on the left side of the tank body, a water pump is fixedly arranged at the bottom of the inner side of the water tank, and the output end of the water pump is communicated with a water conveying pipe. The end, away from the water pump, of the water conveying pipe extends into an inner cavity of the tank body, a water adding opening is formed in the top of the water tank, water is sucked in by starting the water pump, the bottom of the water conveying pipe is communicated with seven sprayers, and the water is conveyed to the water conveying pipe and the sprayers through the output end of the water pump. Water is sprayed out through the spray heads to clean materials on the top of the screen, fine particles on the surfaces of the materials can be effectively captured and removed through the adsorption and scouring effects of the water, secondary pollution possibly caused by dry dust removal is avoided, and the better removal effect on dust with high adhesion is achieved.

The utility model provides a filling board wall overflow ash separation device which comprises a board body which is vertically arranged and is provided with a first signal pipe, a second signal pipe, an overflow pipe, an exhaust pipe and a filling pipe which are vertically connected with the board body. One end of the overflow pipe is provided with a filter screen assembly, and the filter screen assembly is connected with the overflow pipe through a binding wire; a flow guide valve is arranged at one end of the filling pipe, the filter screen assembly comprises a connecting ring, and a filter screen is arranged in the middle of the connecting ring. Before filling, the filter screen is bound at the inner end of the overflow pipe, and the diverter valve is mounted at the other end of the overflow pipe, so that rainfall is convenient to discharge; meanwhile, the ash isolating device is installed, so that ash and cement particles are effectively prevented from being lost, redundant water is discharged, and the quality and the roof contact rate of the filling body are improved.

The utility model belongs to the technical field of soilless culture, and particularly relates to a planting groove for soilless culture, which comprises a groove-shaped main body, a partition plate is arranged in the main body, and the interior of the main body is divided into an upper-layer planting part and a lower-side water collecting part by means of the partition plate. A water through hole for water to flow between the planting part and the water collecting part is formed in the partition plate, and a liquid drainage hole is further formed in the portion, located on the side wall of the water collecting part, of the main body. According to the planting groove, the partition plate is used for forming the separated double-layer design, the planting part is communicated with the water collecting part through the water through holes, it is guaranteed that plant roots can absorb water, meanwhile, water accumulation is prevented, redundant liquid in the water collecting part can be drained in time through the liquid drainage holes, and therefore a certain space is reserved for ventilation of the plant roots.

This utility model relates to the field of municipal inspection and maintenance technology, and discloses a manhole cover structure for inspection wells, including a main body, a manhole base, and an adjustable manhole cover module. The adjustable manhole cover module includes: a manhole cover body disposed at the inner top of the manhole base; a threaded rod uniformly fixedly installed on the outer surface of the manhole cover body; a reinforcing plate uniformly fixedly installed on the outer surface of the manhole base; a limiting rod penetrating the edge of the top of the manhole base, with one side extending into the interior of the manhole cover body; and limiting holes, with at least twenty-four limiting holes, one side of the limiting rod extending into the interior of one of the limiting holes. By incorporating the adjustable manhole cover module, the problems of traditional manhole covers being unable to adapt to height changes after road surface elevation, prone to loosening and displacement, and requiring complex and inefficient replacement are solved.

The utility model discloses a double -end furnace frame, aims at providing a double -end furnace frame that is beneficial to article placement, it includes frame, and the top of frame is equipped with two furnace positions, and the ignition ware is fixed in the furnace position, two ignition switches, install on the front lateral wall of frame and respectively control two furnace position on ignition ware's switch, pipeline, fixedly connected in the frame, and one end respectively through two ignition switches and the ignition ware on corresponding furnace position link, and the other end is equipped with the interface, flow regulating valve, detachable installation on the pipeline, side plate, with the lateral wall swing joint of frame, and keep in the same horizontal plane with furnace position. The utility model has the beneficial effects that: when side plate is unfolded and kept in the same horizontal plane with furnace position through swing joint with frame, reach the purpose that is beneficial to article placement, convenient and fast, and when the side plate is put away, it is beneficial to reduce the land occupation of furnace frame, and it is convenient to carry.

This utility model relates to a self-priming drain valve core, belonging to the field of valve core technology. It includes a housing, with a switching rod at one end. An inlet, an outlet, and a drain outlet are located on the side of the housing away from the switching rod. A reciprocating movable valve block is located inside the housing. The switching rod extends into the housing and is fixedly connected to the movable valve block. A connecting channel is located on the side of the movable valve block near the outlet. When the movable valve block moves to the side near the inlet, the connecting channel connects to the inlet and outlet; when the movable valve block moves to the side near the drain outlet, the connecting channel connects to the outlet and drain outlet. In this design, pushing the switching rod moves the internal movable valve core, thus controlling the water flow from or off the top spray nozzle. When the valve core is closed, accumulated water inside the pipe connected to the top spray nozzle is automatically drained, preventing water accumulation inside the pipe.