162 results about "External drainage" patented technology

The invention relates to the technical field of machining tools, and discloses a small finish machining ball-end milling cutter which comprises a cutter bar and a ball head which are integrated, a V-shaped groove is formed in the ball head, an upper cutter mounting groove and a lower cutter mounting groove are formed in one face in the V-shaped groove, and an upper blade and a lower blade are mounted in the upper cutter mounting groove and the lower cutter mounting groove correspondingly. An inner cooling spray pipe is arranged in the liquid conveying channel in an up-down sliding mode, a lower liquid discharging opening is formed in the side face of the bottom of the inner cooling spray pipe, an outer liquid discharging opening is formed in the side face of the middle section of the inner cooling spray pipe, and an outer liquid discharging channel is formed in the inner wall of the ball head. The other end of the outer liquid discharge channel is communicated with one side, opposite to the knife mounting groove, in the V-shaped groove; the problems that when a small-sized ball-end milling cutter for finish machining is used for vertical punching, scrap iron is easily flushed into a preset hole by cooling liquid to affect chip removal, and an existing cooling liquid spraying mode does not meet the chip removal requirement during horizontal cutting are solved.

The invention discloses a sterilizer for aquaculture, and relates to the technical field of aquaculture. The device comprises an unmanned transportation disc, a disinfectant tank and a weighing device are fixedly installed at the top of the unmanned transportation disc, a weighing frame and a discharging valve are fixedly installed at the bottom of the disinfectant tank, the weighing frame is fixedly installed at the top of the weighing device, a mixing cabin is arranged in the unmanned transportation disc, and the discharging valve is fixedly installed at the bottom of the mixing cabin. The bottom end of the discharging valve extends into the mixing cabin, and pumping cabins are arranged on the two sides of the mixing cabin. According to the device, a disinfectant and raw water are mixed and finally flow into a water body through each external drainage pipe for disinfection, at the moment, two propeller assemblies stop running, and the unmanned transportation disc can be driven to rotate at the original position by the counter-acting force of the flow of the external drainage pipes arranged in a fan shape, so that the spraying range and uniformity of the disinfectant are improved, and the disinfection effect is improved. And then, the unmanned transportation disc is used for successively putting the disinfectant into each part of the water body, so that unmanned accurate putting and uniform putting are realized.

The invention discloses a coal mine gas extraction device, which relates to the technical field of gas extraction safety, and comprises an extraction pipe arranged in an extraction channel and connected with external extraction equipment; the sleeve is arranged on the outer side of the extraction pipe, the outer wall of the sleeve is attached to the extraction channel, an upper fixing ring is arranged on the top, and a lower moving ring and a sliding shaft sleeve are arranged on the lower portion; the pumping and drainage plugging device is fixed on the extraction pipe, and the outer side of the top is fixedly connected with the upper fixing ring; the bottoms of the limiting control devices are fixedly connected with the lower moving ring, the outer sides of the limiting control devices are fixedly connected with the inner wall of the sleeve, and the inner sides of the limiting control devices are fixedly connected with the pumping and drainage plugging device; the bottom of the plugging control device is fixedly connected with the lower moving ring, the outer side of the plugging control device is fixedly connected with the inner wall of the sleeve, and the inner side of the plugging control device corresponds to the side part of the pumping and draining plugging device. The gas drainage device has the gas drainage efficiency and the outburst early warning protection capacity, and integration of the pressure dynamic monitoring function, the quick response plugging function and the automatic reset function is achieved.

The automatic dehumidification drainage system comprises a shell, a water receiving disc and a water tank, and the water receiving disc is located on the upper side of the water tank and supported and installed on the bottom sides of an evaporator and a condenser in the shell; a water pumping assembly used for automatically pumping and discharging collected condensate water out of the shell is detachably installed in the water tank. The top of the water pumping assembly is provided with a multifunctional socket which is in butt joint fit with a power plug in a water tank installation groove and a signal connector used for detecting whether the water tank leaves the original position or not. The shell is further provided with a drainage butt joint assembly which directly discharges condensate water collected in the water pan or automatically discharges the condensate water in the water tank through an external drainage hose. Through respective butt joint connection of the multifunctional socket and the drainage butt joint assembly, the problem of drop leakage of a drainage port and the problem of unreliable power supply connection of a water pump contact are effectively avoided, and the detachable water pumping assembly facilitates disassembly and maintenance of the water pump when the water pump breaks down.

The utility model discloses a biliary tract inside and outside drainage device which comprises a drainage catheter, a fixing stay wire and a hard sleeve. The drainage catheter is composed of an inner drainage area, a narrow section covering area, a shaping area and an outer drainage area, and the interior of the drainage catheter is of a hollow structure. One end of the inner drainage area is designed into a cylindrical cone; a clamping table is arranged at one end of the outer drainage area and used for connecting a cap or a drainage bag; side holes penetrating through the inner cavity are formed in the outer walls of the inner drainage area and the shaping area; a marker point is arranged between the rear end of the side hole of the inner drainage area and the narrow section coverage area; the shaping area is curled into a loop in a natural state, and the shaping area can be straightened through the hard sleeve; the narrow section coverage area is distributed between the inner drainage area and the shaping area; the fixing stay wire comprises a fixing piece and a stay wire, and the tail end of the stay wire is connected with the fixing piece. The drainage catheter main body adopted by the utility model is made of a material with good biocompatibility; and internal drainage and external drainage can be realized. Multiple side holes are formed in the middle and the head end of the drainage tube, sufficient drainage is promoted, and infection risks are reduced.

The invention discloses a sludge treatment method of sludge treatment equipment, which comprises the following steps of: spirally rotating sludge along the axis of a roller, and gradually separating to separate mud and water; water enters the inner space of the roller through the water passing holes of the roller, the bottom of the roller is in butt joint with an external drainage pipe, the water in the roller is discharged along the drainage pipe, rotary rotation of the roller on sludge is achieved, eccentric separation of the sludge is achieved, and therefore spiral separation of the sludge is achieved. Therefore, the mud moves from the top space of the barrel to the bottom space of the barrel; when the mud reaches the bottom space of the cylinder body, the mud gradually moves along the central axis of the cylinder body under the guidance of the bottom space of the cylinder body, is gathered at the bottom mud discharge hole of the cylinder body and is discharged by a mud discharge pipe butted with the mud discharge hole, and the sludge forms mud in the separation process; mud is gradually gathered in the middle in multiple directions in the bottom space, so that the smoothness of the mud discharge hole is ensured.

The utility model discloses an installation support and an air conditioner, and relates to the technical field of air conditioners, the installation support is used for installing an air conditioner outdoor unit of the air conditioner, the air conditioner outdoor unit comprises an outdoor unit main body and an outdoor drain pipe communicated with the outdoor unit main body, and the installation support comprises a bearing support and a supporting support. One side of the bearing support is installed on a window, the other side of the bearing support extends to the outdoor space in the first direction, and the bearing support is used for installation of the outdoor unit body. The upper end of the supporting support is installed on the bearing support, the lower end of the supporting support abuts against an external wall, at least the supporting support is provided with a first limiting structure, and the outdoor drainage pipe is fixed through the first limiting structure. According to the technical scheme, the outdoor drainage pipe can be fixed conveniently, and drainage of the air conditioner outdoor unit is facilitated.

The utility model relates to the technical field of drainage apparatuses, and discloses an external drainage device for an Ommaya liquid storage bag, which comprises a flexible fixing disc and a drainage needle head, the drainage needle head comprises an insertion part and a fixing part which are communicated with each other, the fixing part is horizontally placed in the flexible fixing disc, and the insertion part is vertically connected to the bottom of the flexible fixing disc; the device further comprises a connecting hose, a drainage hose and a sealing gasket. And a viscous auxiliary material. The drainage needle head is fixed in the flexible fixing disc, so that the bending degree of the scalp needle is unified, the needle head does not need to be bent additionally, a sewing fixing mode is not adopted and is changed into a pasting fixing mode, meanwhile, the flexible fixing disc and the sealing gasket can change the shape of the scalp needle, the scalp needle is attached to the scalp of a patient during fixing, fixing is firm, and fixing steps are reduced; the pain of a patient is reduced, the drainage effect is enhanced, the infection rate is reduced, the drainage effect of the Ommaya sac is fully exerted, and the recovery of the patient is promoted to the greatest extent.

The utility model discloses a double-guide drainage structure for roof external drainage, and relates to the technical field of house building construction. According to the technical key points, the device comprises a first double-water-guide assembly arranged at the junction of a roof structure and a parapet wall, the first double-water-guide assembly comprises a horizontal main water drainage pipe, the horizontal main water drainage pipe is installed on the parapet wall in a penetrating mode, and the inner wall of the lower side of the horizontal main water drainage pipe is flush with a protective surface layer in the roof structure; a horizontal drainage branch pipe is arranged under the horizontal main drainage pipe, and the lower side inner wall, located at one end of the inner side of the parapet wall, of the horizontal drainage branch pipe is aligned with the lower bottom of a heat preservation layer in the roof structure. The ends, located on the outer side of the parapet wall, of the horizontal drainage branch pipe and the horizontal main drainage pipe are fixedly connected with a vertical outer drainage pipe. By means of the horizontal main water drainage pipe and the horizontal water drainage branch pipe in the first double-water-guide assembly, accumulated water above a protective layer in the roof structure can be effectively drained, and when accumulated water exists in the roof structure, the accumulated water in the roof structure can be effectively drained.

The drainage ditch comprises a cover plate used for being installed at a water inlet of an external drainage pipeline, the cover plate is provided with a penetrating groove in a penetrating mode, a drainage block is arranged at the center point of the penetrating groove, and the two side walls of the drainage block are connected with the inner walls of the two sides of the penetrating groove respectively. The two ends of the drainage block are in clearance fit with the inner walls of the two ends of the penetrating groove respectively, a drainage gap allowing external water flow to be poured into a water inlet of the external drainage pipeline is formed, and the drainage block is provided with a drainage structure used for guiding the moving direction of external leaves or sundries and guiding the external leaves or sundries to move to the drainage gap through the external water flow. The problem that the drainage efficiency of a traditional drainage ditch is low due to the fact that leaves or sundries are accumulated under the working condition of heavy rain or rainstorm is solved.

A structure for preventing water from entering a vacuum dust collection fan on a floor cleaning appliance comprises the vacuum dust collection fan and a sewage tank combination. The sewage tank combination comprises a sewage tank sewage garbage inlet through which sewage garbage enters the sewage tank; the sewage tank combination comprises an air outlet communicated with an air inlet of the vacuum dust collection fan; an air inlet of the vacuum dust collection fan is provided with a heat dissipation channel; a one-way outward drainage device is arranged between a sewage and garbage inlet of the sewage tank of the sewage tank combination and an air inlet of the vacuum dust collection fan; and the one-way outward drainage device is arranged on a channel through which liquid enters the air inlet of the vacuum dust collection fan from the sewage tank. Water possibly flowing into the heat dissipation channel of the vacuum dust collection fan is timely discharged to the outside through the one-way outward drainage device when passing through the one-way outward drainage device, so that the vacuum dust collection fan is prevented from being damaged due to the fact that water enters the heat dissipation channel to the maximum extent.

The invention provides an efficient drainage anti-blocking dewatering bin which comprises a dewatering bin body, a slag discharging door connected to the bottom side of the dewatering bin body and a water inlet formed in the top side of the dewatering bin body, a filtering assembly is arranged at the joint of the dewatering bin body and an upper external drainage box, and a backwashing assembly is installed on the surface of the filtering assembly. And a backwash header pipe and a drainage header pipe are sequentially arranged on the surface of the bottom side of the dewatering bin from top to bottom. An upper external drainage tank and a lower external drainage tank are mounted on the outer side of the dewatering bin, and meanwhile, a V-shaped filter screen, a placement bottom plate and an upper placement plate are mounted in the upper external drainage tank and the lower external drainage tank, so that replacement is facilitated when the dewatering bin is damaged and needs to be replaced; meanwhile, the upper external drainage tank and the lower external drainage tank which are arranged on the vertical section and the cone section of the dewatering bin can respectively conduct drainage, the external design shortens the water filtering path, and the water filtering net is detachable, so that when the water filtering net is blocked or abraded, the water filtering net can be rapidly replaced without entering the bin body, and the maintenance efficiency is greatly improved.

The utility model relates to the technical field of water pipes, and discloses a tap water pipe pressure detection external drainage device which comprises a main body assembly and a water pipe, a faucet is fixed to one end of the water pipe, a valve is fixed to the top of the water pipe, a deflation valve is fixed to the top of the valve, and a pressure gauge and a switching assembly are arranged on one side of the deflation valve. The switching device is arranged on the deflation valve and comprises a switching piece, the switching piece comprises a base, the base is fixed to the top of the valve, and an extrusion ring is arranged in the base. The utility model has the beneficial effects that the deflation valve and the pressure gauge are directly switched and can be quickly replaced without being randomly placed aside, so that the loss of parts can be avoided, the parts can be used in time when needed, the normal monitoring and maintenance process of a water pipe system cannot be delayed, the cost and the time cost for re-purchasing are saved, and the working efficiency is improved. And the water pipe operation and maintenance work can be efficiently and smoothly carried out.

The embodiment of the utility model provides a hidden drainage stand column and a viewing shed, and relates to the technical field of viewing sheds. The hidden drainage stand column comprises a stand column body, a drainage channel is formed in the stand column body in the length direction of the stand column body, and a drainage opening is formed in the side face of the bottom of the stand column body and communicates with the drainage channel; a water baffle is hinged to the position of the water outlet, the water baffle can rotate around the hinged position to be switched between a natural state and a stress state, the water baffle is flatly laid on the water outlet in the natural state so as to block the water outlet, and the water baffle deviates from the water outlet in the stress state so as to open the water outlet. According to the hidden drainage stand column and the viewing shed, water can be drained out of the shed, and the influence of drainage on the interior of the shed is reduced; and the water outlet is hidden, so that rats and insects are prevented from entering the greenhouse.

The utility model relates to a condensate water discharging device of a precision air conditioner, and relates to the technical field of precision air conditioner equipment. The utility model discloses a condensate water discharging device of a precise air conditioner. The condensate water discharging device comprises a supporting frame, a water receiving disc and an anti-seepage box. The water pan is installed below the installation groove, the first drainage pipe and the external drainage pipeline are communicated through the pipeline, collected condensate water can be drained in time, and the water accumulation phenomenon is avoided; meanwhile, by arranging an overflow groove and an overflow discharge pipe, when an external drainage pipeline communicated with the first drainage pipe is blocked and the height of condensate water accumulated in the water pan exceeds the position of the overflow groove, the condensate water can be discharged through the overflow discharge pipe, and the situation that the production safety of a machine room is affected due to overflow of the condensate water is avoided; by arranging the anti-seepage box, collected overflow condensate water can be discharged in time, and the water accumulation phenomenon is avoided.

The utility model relates to the technical field of appliance cleaning, in particular to a material barrel cleaning device which comprises an outer frame body, a cleaning table plate, a supporting column used for supporting the cleaning table plate and a flow guide supporting column used for being communicated with an external drainage system, a plurality of spraying heads used for spraying cleaning water are arranged on the outer frame body in a sliding mode, and the spraying heads are arranged on the outer frame body in a sliding mode. Any spraying head is arranged above the cleaning table plate, the cleaning table plate inclines towards the upper right relative to the horizontal plane, a drainage hole is formed in the lower end of the left side of the cleaning table plate, the interior of the flow guide supporting column is communicated with the drainage hole to form a drainage channel, and the positions of the spraying heads can be adjusted according to needs in the using process; therefore, the material barrel is subjected to water spraying cleaning operation; sewage on the cleaning platform plate can quickly flow to the drainage holes under the action of gravity and then is discharged through the flow guide supporting columns, and compared with a traditional cleaning mode, the drainage efficiency is effectively improved, the situation that water is accumulated on the cleaning platform is reduced, and the possibility of secondary pollution of the material barrel is reduced.

The invention relates to the technical field of underground coal mine heat dissipation, in particular to an underground coal mining conveying device heat dissipation system and a control method.The underground coal mining conveying device heat dissipation system comprises a circulating pump, a heat dissipation device, an external water source, a liquid storage water tank, a liquid supplementing water tank, a recycling pump and a plurality of three-way valves; an outlet of the circulating pump is connected with an inlet of the radiator, an outlet of the radiator is used for being connected with an inlet of the heating component, the external water source is used for being connected with the inlet of the heating component, and the multiple three-way valves are arranged on pipelines connected with the inlet and the outlet of the heating component. The switching device is used for switching the communication relation between the circulating pump, the radiator, the external water source, the liquid storage water tank and the liquid supplementing water tank and the heating component, an external water source does not need to be consumed, water is not drained outwards, water resource waste is avoided, and meanwhile environment damage and pollution to the working face are reduced.

The invention discloses a method for forecasting stress and fatigue life of an articulated joint of a marine emergency bridge under a moving load. A wave-bridge action numerical model is established in fluid software, and an external drainage basin and bridge motion numerical model is constructed according to computational fluid mechanics (fluid). Finite element calculation is carried out under the same model proportion, and the fluid and the finite element model have the same size and the same position in the coordinate system of the fluid and the finite element model. And constraining the finite element model, and further applying a moving load. And operating the fluid software, and mapping the pressure data of the fluid software to the finite element software. And feeding back the movement of the bridge and the deformation of the joint structure obtained in finite element analysis in the finite element software to the fluid solver through a grid mapping technology so as to update grid data in the fluid solver. By forecasting the deformation of the hinge joint of the marine emergency bridge in a multi-field coupling environment, more accurate reference data is provided for the design of the joint of the marine emergency bridge.

The utility model relates to the technical field of fluid storage and treatment, in particular to an air storage tank convenient for drainage, which comprises a drainage piece, a supporting column, a first door body, three fixing rings and a second door body, the first door body is sleeved on the outer side of the supporting column, the fixing rings are all sleeved on the outer side of the supporting column, and the second door body is arranged on the surface of the fixing rings; and the movable assembly is arranged at the top of the supporting column and comprises a movable part, the movable part comprises a fixed column, a limiting column, a floating block, a connecting rod, an extrusion ball and a floating block, and the limiting column is inserted into the inner wall of the fixed column. The utility model has the beneficial effects that when the gas storage tank is filled with water, the water can be automatically discharged without extra manual drainage, so that the water level condition in the gas storage tank can be monitored in real time, the retention time of accumulated water in the gas storage tank is shortened, the problems of corrosion, blockage and the like caused by the accumulated water to equipment can be effectively avoided, the normal operation of the equipment is ensured, and the working efficiency is improved. And the production continuity is maintained.

A drainage structure for a gas sensor includes a detection element, a protector, and a drainage. The detection element is held in a housing. The detection element includes a detector that is provided in a tip end. The detector is configured to detect a specific component in gas of interest by contact of the gas of interest with the detector. The protector is secured to the housing. The protector covers the detector while ventilation is kept. The drainage has a long shape and is mounted to the protector. The drainage includes a first end disposed in the protector and a second end disposed outside the protector. The drainage is configured to produce a capillary action.

The utility model provides a kind of small washing machine of double mode drainage, including small washing machine main body and sewage tank, and small washing machine main body is provided with drainage mechanism and sewage tank installation area, sewage tank installation area is provided with drain, drain is connected with drainage mechanism, sewage tank is provided with sewage inlet, drain can be communicated with sewage inlet to drain to sewage tank or drain drains to outside, small washing machine main body is provided with shell, inner bag, shelf, washing arm and washing pump, washing arm and shelf are arranged in inner bag, and the washing pump is connected with washing arm and supplies water to washing arm, and the washing arm washes the article in inner bag, by being provided with small washing machine main body and sewage tank, and the installation area of sewage tank is provided with drain, the drain can directly drain to sewage tank or drain to outside through drain pipe to facilitate small washing machine main body in different positions use, increase the use scene of small washing machine main body, improve the applicability of small washing machine main body.

The utility model discloses a descending plate area water leakage repairing device and a descending plate area module, and belongs to the technical field of building construction, the descending plate area water leakage repairing device comprises a drainage hole, the drainage hole is formed in the bottom face of a descending plate, and a filtering assembly is arranged in the drainage hole; the multi-layer drainage pipe assembly is arranged at the bottom of the descending plate and comprises an inner drainage pipe and an outer drainage pipe, the top ends of the inner drainage pipe and the outer drainage pipe are connected with the bottom of the descending plate, and the inner drainage pipe is sleeved with the outer drainage pipe and communicated with the bottom of the drainage hole in a butt joint mode. The inner drainage pipe is used for draining leakage water of the drainage hole into the outer drainage pipe, and the outer drainage pipe is used for draining the leakage water outwards. Leakage water in the descending plate backfilling area is drained through the drainage holes, the filtering assemblies are arranged in the drainage holes to stop particulate matter from entering the drainage holes, the drainage holes are prevented from being blocked easily, and the long-term stability of the normal drainage function of the drainage holes is guaranteed; meanwhile, leakage water in the drainage holes is guided and drained through the multiple layers of drainage pipe assemblies.

The controllable drainage pipeline based on water supply and drainage equipment production comprises a bottom box, a through hole is formed in the outer wall of one side of the bottom box, a water inlet pipe is fixedly connected to the inner wall of the through hole, and a top box is installed over the bottom box; when a rotating disc rotates, a third threaded rod rotates along with the rotating disc, at the moment, an L-shaped sliding rod can move back and forth on the outer wall of the rotating third threaded rod, meanwhile, a blocking ring also moves back and forth along with the rotating third threaded rod, when the drainage flow is normal or small, production water can be drained through an inner drainage pipe, and when the drainage flow is large, the rotating disc is rotated, and the production water can be drained. The two sets of plugging rings are moved out of the inner wall of the outer drainage pipe and the inner wall of the middle drainage pipe respectively, at the moment, water flow can automatically flow into the outer drainage pipe and the middle drainage pipe, and therefore the drainage efficiency is improved. Therefore, the surfaces of the outer drainage pipe, the middle drainage pipe and the inner drainage pipe are prevented from being broken.

The application provides an end cover assembly and a motor. The end cover assembly comprises an end cover body, a rotating shaft and a sheath. The rotating shaft is arranged in the end cover body and has a shaft extension section which extends out of the end cover body. The sheath is arranged on the shaft extension section. The first end of the sheath is detachably connected with the end cover body. The second end of the sheath extends along the axial direction of the shaft extension section. The outer wall surface of the sheath is provided with an external drainage groove. The external drainage groove guides the fluid falling on the end cover body to the shaft extension section. Since the outer wall surface of the sheath is provided with the external drainage groove, the water and the silt will flow along the external drainage groove under the action of gravity, so that the water and the silt will not accumulate on the end cover body, thereby avoiding the water and the silt from entering the inside of the motor.

The utility model discloses a sludge discharge device at the tail end of a sedimentation tank, which comprises a sedimentation tank main body, a sludge discharge device and a sludge discharge device, a feeding end and a discharging end are arranged at the two ends of the sludge suction main pipe respectively, the feeding end is fixedly mounted at the top of the sedimentation tank main body, and the discharging end is fixedly mounted on the outer wall of the sedimentation tank; the sludge suction branch pipe is fixedly installed on one side of the inner wall of the sedimentation tank, one end of the sludge suction branch pipe is fixedly installed at the feeding end of the sludge suction main pipe, and a sludge suction part is arranged at the end, away from the sludge suction main pipe, of the sludge suction branch pipe; the ball valve is used for injecting water into the mud suction main pipe, the drain valve and the branch pipe valve are opened and closed to form a siphoning effect, and sludge accumulated in the sludge bucket flows into the sludge discharge pipe through the mud suction branch pipe and the mud suction main pipe and is discharged into a drainage channel outside a pool through the sludge discharge mechanism, so that the sludge discharge device is low in cost, simple to operate and thorough in discharge; meanwhile, no power supply is needed, thereby being safe and reliable.

A kind of forestry seedling cultivation device, including cultivation seat, screen, water receiving cylinder, cultivation cup, transmission gear, support plate, fixed frame, the lower side of the support plate has multiple cushion blocks, cushion block has center support block, center support block is connected inside lower bearing, lower bearing outside is connected transmission gear, transmission gear is engaged with driven gear, transmission gear connects driven gear, the lower part of driven gear has lower support sleeve, lower support sleeve is connected water receiving cylinder by screw thread, the upper part of driven gear has upper support sleeve, upper support sleeve is connected with rotating lever by screw, rotating lever has multiple internal drainage holes, driven gear has multiple external drainage holes, internal drainage hole and external drainage hole position correspond, the rotating lever has cultivation seat, cultivation seat lower part is attached to support plate, support plate is connected with upper bearing outside, and upper bearing inside is connected with rotating lever.

The utility model provides a water-collecting well with dirt collecting and cleaning functions, which comprises a water-collecting well body, an external drainage ditch is arranged at the end of one side of the water-collecting well body, a main dirt collecting tank, a dirt falling platform and a water collecting tank are sequentially arranged at the bottom of the water-collecting well body along the water flow direction, and the dirt falling platform is higher than the main dirt collecting tank and the water collecting tank. The two side walls of the water collecting well body above the dirt falling platform are provided with dirt cleaning brush reciprocating grooves, sliding assemblies are arranged in the dirt cleaning brush reciprocating grooves, a sliding dirt cleaning brush is fixed between the two sliding assemblies, the edge, close to the water collecting groove, of the dirt falling platform is provided with a dirt cleaning brush positioning groove, and the sliding dirt cleaning brush is arranged in the dirt cleaning brush positioning groove to form sludge blocking. In the cleaning operation, the dirt can be discharged only by pulling the sliding dirt cleaning brush to push the dirt to the main dirt collecting tank and then starting the sewage pump, so that the operation process is simple and convenient, and the working intensity is obviously reduced; after the cleaning operation is finished, the sliding cleaning brush can be reset to the positioning groove, the sand blocking function continues to be achieved, and convenience is provided for follow-up maintenance.

The invention discloses swimming pool cleaning equipment. The cleaning equipment comprises a cleaning main body; the cleaning unit is arranged on the front side and / or the rear side of the cleaning body and used for cleaning the surface making contact with the swimming pool; the left water pump and the right water pump are located on the cleaning body and located on the left side and the right side of the center line of the cleaning body respectively, the left water pump and the right water pump both obliquely discharge water outwards, and transverse thrust can be generated in the water discharge direction of the left water pump and the water discharge direction of the right water pump; the control unit is used for controlling the rotating speed of the left water pump to be different from the rotating speed of the right water pump, and the left water pump and the right water pump generate thrust with the resultant force not being zero in the transverse direction to push the cleaning body to transversely move along the waterline. Therefore, the swimming pool cleaning equipment can clean along the waterline of the swimming pool in a full-coverage manner without dead angles.

The application discloses a drainage box and a window type air conditioner. The drainage box comprises a box body provided with a drainage cavity, an insertion opening and a drainage opening communicated with the drainage cavity. The box body is used to be connected with the air conditioner shell, and the insertion opening is arranged towards the air conditioner shell. The drainage opening is used to be communicated with an external drainage pipe. After the bottom disc is pushed into the air conditioner shell, the drainage joint is inserted into the insertion opening. The technical scheme of the application aims to facilitate the installation of the bottom disc into the air conditioner shell.

The utility model discloses a dehumidifier with a multifunctional water outlet structure, which comprises a dehumidifier shell and a water tank which are detachably connected, a water outlet port is arranged on the side wall of the dehumidifier shell, a water outlet cover is arranged on the water outlet port, a water outlet groove is arranged on an equipment support arranged in the dehumidifier shell, and the water outlet cover is arranged on the water outlet cover. A condensate water inlet, an outer drainage pipe hole, an overflow hole and an adjusting plate are arranged on the drainage groove, the adjusting plate is located between the outer drainage pipe hole and the overflow hole, a multifunctional water pipe connector device is arranged on the outer drainage pipe hole, the overflow hole is located above the water tank, and the multifunctional water pipe connector device comprises a plurality of annular water pipe connectors with the diameters gradually increased. The multifunctional water pipe connector device comprises an inner circular pipe connector and an outer circular pipe connector, and the problems that an existing dehumidifier is only provided with one external water outlet and can only be connected with one water pipe connector, the external water pipe opening of the dehumidifier is directly exposed on the side face of a machine case shell, and external dust and sundries are prone to being attached are solved.