61results about How to "Reliable drainage" patented technology

The invention relates to a pneumatic tyre, which has the characteristics of drainage decrease prevention, operating stability improvement, noise performance and good anti-wearing performances. The tread contour of the pneumatic tyre in the invention comprises an inner side part and an outer side part. The inner side part comprises an inner side tyre surface reference face formed by circular arcs with a radius of curvature and an inner side chamfered circular arc face formed by circular arcs with a smaller radius of curvature. The outer side part comprises an outer side tyre surface reference face formed by circular arcs with a radius of curvature and an outer side chamfered circular arc face formed by circular arcs with a smaller radius of curvature. The outer side chamfered depth is larger than the inner side chamfered depth. The outer side chamfered depth is a normal-direction distance between an outer side imagined circular arc extending from outer side tyre surface reference face towards the axial inner side and the outer side chamfered circular arc face. The inner side chamfered depth is a normal-direction distance between an inner side imagined circular arc extending from the inner side tyre surface reference face towards the axial outer side and the inner side chamfered circular arc face.

The invention discloses an automatic drainage valve of a pedestal pan and a working method thereof. The automatic drainage valve of the pedestal pan consists of a controller and an electric drainage valve, and comprises an optical triangular ranging sensor, a pyroelectric infrared sensor, a single chip for receiving and processing the output signals of the optical triangular ranging sensor and pyroelectric infrared sensor, a driving circuit controlled by the single chip, an electric device driven by the driving circuit, a water stop valve cover controlled by the electric device, a controller shell arranged at the fixed end of the wall and an electric water drainage valve body provided with a pedestal pan water tank fixing mechanism. Through the invention, the stable and reliable water flushing of the automatic drainage valve of the pedestal pan is realized, and the automatic drainage valve is powered by a battery. In the working method of the automatic drainage valve of the pedestal pan, the optical triangular ranging sensor does not work at ordinary times but works intermittently when someone uses the pedestal pan, thereby greatly reducing the power consumption and prolonging the service time and life of the battery.

The invention discloses a wall-mounted air conditioner with detachable bases. The wall-mounted air conditioner comprises the upper base and the lower base which are detachably connected. An air guide wall is arranged between the upper base and the lower base. The air guide wall comprises an upper air guide wall body and a lower air guide wall body. The upper air guide wall body and the lower air guide wall body are arranged on the upper base and the lower base correspondingly. Due to the fact that the air guide wall comprises the upper air guide wall body and the lower air guide wall body and the upper air guide wall body and the lower air guide wall body are arranged on the upper base and the lower base correspondingly, the upper base and the lower base can be demounted at the position of an air channel formed by the air guide wall and air conditioner blades, when the air channel of the wall-mounted air conditioner is cleaned, an evaporator, the blades, a motor and other parts of the air conditioner do not need to be demounted, and convenience is brought to cleaning of the air conditioner.

The invention relates to an air compressor air storage tank capable of discharging water automatically. The air compressor air storage tank comprises a tank body (1) and a manual water discharging valve (5), wherein the manual water discharging valve (5) is arranged on a first water discharging pipe at the bottom of the tank body (1). The air compressor air storage tank is characterized by also comprising an automatic water discharging device, wherein the automatic water discharging device comprises a fixed adjusting support (4), a high-liquid-level sensor (2), a low-liquid-level sensor (3), an electromagnetic valve (6), an alarm (7) and a control cabinet (8), wherein the fixed adjusting support (4) is installed at the lower part inside the tank body; the high-liquid-level sensor (2) and the low-liquid-level sensor (3) are respectively fixed on two ends of the fixed adjusting support (4); the electromagnetic valve (6) is arranged on a second water discharge pipe at the bottom of the tank body; and the control cabinet (8) is respectively connected with the electromagnetic valve (6) and the alarm (7). Compared with the prior art, the air compressor air storage tank has the advantages of wide application range, water discharging reliability, capability of improving the quality of compressed air and the like.

The invention provides a water pump part, an outdoor unit and an outdoor unit control method. The water pump part comprises a water pump, wherein the water pump is provided with a water inlet; and a second heating element is arranged on the water inlet. According to the water pump part, the outdoor unit and the outdoor unit control method provided by the invention, through arranging a first heating element, a drainage pipe of the water pump part can be heated, so that condensate water in the drainage pipe is prevented from being condensed and frozen, and the drainage efficiency of a unit is ensured; in addition, through arranging a second heating element, the condensate water in the water pump part can be heated, so that the occurrence of the phenomenon that the inner part of the water pump part is frozen so as to cause the damage of the water pump part is prevented; and through arranging a third heating element, the condensate water on a chassis can be prevented from being frozen so as to smoothly flow to the water pump part, so that the unit can drain reliably under the circumstance that the environment temperature is too low (0 DEG C and below), and the reliability of the unit under the circumstance that the environment temperature is too low is further improved.

The invention discloses a construction method for a small-clear-distance four-lane shallow-buried large-span tunnel. The construction method comprises the steps: step S10, alternately constructing two tunnels along the longitudinal direction, wherein the alternating distance is not less than 40 m, performing the look-ahead hole long roof pipe, look-ahead grouting small guide pipe and hollow grouting anchor rod operations, grouting the surrounding rock so as to form the composite lining supporting structure; step S20, excavating and supporting the upper half section of the side pilot tunnel; step S30, excavating and supporting the lower half section of the side pilot tunnel, and performing the formworking secondary lining to the side pilot tunnel; step S40, excavating and supporting the upper half section of the intermediate hole chamber; step S50, excavating and supporting the lower half section of the intermediate hole chamber, and performing the formworking secondary lining to the intermediate hole chamber; and step S60, paving the road surface and decorating the wall. The construction method for the small-clear-distance four-lane shallow-buried large-span tunnel is applied for underground-excavating the separated two-hole tunnel in double directions in the V-level surrounding rock with seriously broken rock bodies, satisfying the tunnel construction safety, reducing the construction risk, improving the construction efficiency, and saving the construction period.

The invention provides a vacuum holding type dejectas collecting system. The vacuum holding type dejectas collecting system comprises a first water tank, a second water tank, a third water tank, a fourth water tank, a squatting toilet, a sitting toilet, a grey water unit, a dining car water supply unit, a first sewage tank, a second sewage tank, a vacuum generator and a control unit, wherein sewage draining exits are formed in two ends of both the first sewage tank and the second sewage tank; washing water inlets are formed parallel to the sewage draining exits; and vacuum connections are arranged on the upper end surfaces of the first sewage tank and the second sewage tank so that the first sewage tank and the second sewage tank are connected with the vacuum generator. Due to the additionally arranged sewage tanks, the sewage and dirt are collected in the whole dejectas collecting system so that the dejectas collecting system has a very good protecting effect on the train operation surrounding environment and toilets of a train can be continuously used after arriving at stations. Due to the adoption of the vacuum holding type dejectas collecting system, the amount of water used to flush the toilets is greatly reduced so that water resources can be effectively saved and the flushing effect is improved.

The invention discloses a deformation joint structure of a planted roof. A deformation joint is arranged on the roof surface and is formed by concrete curved edges on the roof in a clamping mode, and a catchwater is arranged on the outer side of the concrete curved edges on each of two sides of the deformation joint. A groove is formed on the concrete curved edges, a concave deformation joint cover plate is arranged in the groove in a covering mode, and a decoration layer is filled on the deformation joint cover plate and makes the deformation joint cover plate to be as high as a roof building finished surface. A cover plate is arranged on each catchwater, and the cover plates are in abutment joint with the decoration layer located on the deformation joint cover plate. The deformation joint structure makes the roof level and continuous in the landscape; is safe and reliable in water resistance and drainage and convenient to use and repair; organically combines structural rationality and building attractiveness as the surface layers and roof surface layers of the deformation joint cover plate and the cover plates of the catchwaters adopt the same materials and the deformation joint is hidden in the whole roof.

The invention discloses a water pan component used for a refrigerator, and a refrigerator with the water pan component. The water pan component comprises a water pan, heaters arranged in the water pan, a water drainage pipe communicated with the water pan, and heat conducting strips extending into the water drainage pipe and connected with the heaters. According to the water pan component used for the refrigerator, the heat conducting strips connected with the heaters and extending into the water drainage pipe are arranged, so that when ice blocks are accumulated in the water drainage pipe, the heat conducting strips transmit heat generated by the heaters to the ice blocks to melt the ice blocks to realize smooth water draining, and simple structure and reliability in water draining are realized.

The invention provides a unit extensible type assembled metal gutter which comprises a plurality of gutter unit sections. Each gutter unit section comprises a metal plate manufactured U-shaped gutter groove body section and a metal framework, the metal frameworks are fixedly arranged at the bottoms of the U-shaped gutter groove body sections and / or the side walls of the outer sides of the U-shaped gutter groove body sections and provided with connection structures connected with a building. Ports at two ends of each U-shaped gutter groove body section are integrally provided with a transverse U-shaped groove extensible interface portion, the outer sides of U-shaped groove extensible structure portions arranged at two ends of a U-shaped gutter groove body are provided with matched fastener structures, and adjacent gutter unit sections are integrally connected through the fastener structures. The invention further provides a manufacturing and installing method of the unit extensible type assembled metal gutter. By means of the unit extensible type assembled metal gutter and the manufacturing and installing method, assembling type construction can be achieved, the work efficiency is high, the quality is good, the construction is convenient, no welding is needed in a field, safety risks are small, the comprehensive cost is saved by 30%, the construction, installation, production and processing work efficiency is improved by three times, and the gutter maintenance cost is reduced by 80%.

An internal combustion engine and centrifugal separator assembly separates contaminants from crankcase gas. A crankcase is connected to the centrifugal separator including a centrifugal rotor. A rotor housing delimits a separation space in which the centrifugal rotor is arranged to rotate. A gas inlet conducts crankcase gas to a central part of the centrifugal rotor. A gas outlet communicates with a part of the separation space surrounding the centrifugal rotor and to conduct cleaned crankcase gas out of the separation space. A particle outlet communicates with the part of the separation space. The particle outlet is connected to a collector for the separated particles. The collector is configured to communicate with the gas inlet via a connection to provide a pressure difference between the particle outlet and the collector. The separated particles are drawn out of the particle outlet and into the collector during operation of the centrifugal separator.

The invention provides an external grounding device and belongs to the technical field of electric power construction tools. The external grounding device comprises a grounding panel, a grounding mechanism, a driving mechanism and a lubrication mechanism, wherein the grounding panel is provided with a grounding pole, the grounding mechanism is arranged on the grounding panel, the driving mechanismis used for driving the grounding mechanism to operate and enter into the ground, and the lubrication mechanism is used for injecting lubricating fluid during the drilling process of the grounding mechanism. According to the external grounding device provided by the invention, the driving mechanism is adopted to drive the grounding mechanism to enter the ground, and the manual drilling of a grounding rod is not required; the lubrication mechanism is adopted, during the drilling of the grounding rod, the grounding rod can be lubricated, so that the grounding rod can enter into the ground conveniently and quickly. The grounding device is mainly to prevent thunderstorm and lightning from damaging the shell of a working tool and hurting an operator. When it is rains with thunder and lightningaccompanied, the grounding device can reliably guide lightning to the ground so as to ensure the safe operation of the worker and equipment and protect the safe operation of the worker and the equipment.

The invention relates to an indoor air conditioner with a detachable base. An upper base body (1) and a lower base body (2) which are detachable are included, and the air conditioner with the detachable base is characterized in that at least one connecting part is included; the upper base body (1) and the lower base body (2) are detachably connected together through the connecting part, the lower portion of the upper base body (1) is provided with an upper water groove (16), the front portion of the lower base body (2) is provided with a front water groove (17), the left side of the lower base body (2) is provided with a side water groove (18) communicated with the front water groove (17), and the left side of the upper base body (1) is provided with a water guide nozzle (19) capable of draining condensate water in the upper water groove (16) into the side water groove (18). The air conditioner has the beneficial effects that the upper base body and the lower base body are detachable, the structure is simple, dismounting and mounting operation is convenient and rapid, and therefore the assembling efficiency and the maintaining efficiency of the air conditioner are greatly improved, and water leakage of the air conditioner can be prevented.

The invention discloses a negative-pressure control valve, which comprises a valve core and a valve base, wherein the longitudinal section of the valve core is conical, trapezoidal or circular; the valve base is provided with a concave base which is matched with the valve core; a convex ring is arranged on the upper part of the valve core; a groove formed at a corresponding position on the valve base is locked with the convex ring on the valve core; the valve core is turned around the groove; the valve core and the valve base are provided with through holes; the diversion flow is determined by the coincidence area of two through holes; and the through hole on the valve base is communicated with a valve base connecting tube. A negative-drainage bottle adopting the negative-pressure control valve comprises a drainage bottle, a negative-pressure control valve and a drainage tube, wherein the drainage tube is connected with the negative-pressure control valve and the drainage bottle; and the drainage bottle is a vacuumized negative-pressure bottle.

The invention discloses a drainage system and method of a water turbine generator set for a high-tailwater-level river. A three-way valve (4) is arranged on a pipeline of a drainage main pipe of the drainage system (1) of the water turbine generator set; a first connector of the three-way valve (4) is connected with the drainage system (1) of the water turbine generator set; a second connector of the three-way valve (4) is connected with a plant leakage water collecting well (2); a third connector of the three-way valve (4) is connected with a one-way valve (5); the one-way valve (5) is connected with a first maintenance valve (6); the first maintenance valve (6) is connected with a pressure transmitter (7), and the pressure transmitter (7) is connected with downstream tailwater (3). The system and method have the advantages that a technical drainage scheme can be flexibly adjusted according to the water level condition of a downstream tailwater river channel, drainage is safe and reliable, and energy conservation is achieved.

The invention discloses a drainage pipe easy to fix and belongs to the field of medical instruments. The drainage pipe comprises a pipe body, a connection pipe, a sampling pipe, a base plate, a base on the base plate and an inverted-U-shaped support on the base. An arc-shaped pipe groove matched with the pipe body is formed in the middle of the base. A through hole corresponding to the upper portion of the pipe groove is formed in the support. The lower end of a pulling rod is provided with an arc-shaped clamp matched with the pipe body, a spring is arranged on the portion, between the support and the clamp, of the pulling rod, and the upper end of the pulling rod extends out of the support and is provided with a bulb. The two ends of the base plate are connected with medical non-woven cloth single-side adhesive. The pipe body is located in the pipe groove, a plurality of drainage holes distributed in the circumferential direction are formed in the front end pipe wall of the pipe body, one side of the pipe body is connected with the connection pipe, the connection pipe is connected with the sampling pipe, and the diameter of the sampling pipe is larger than that of the connection pipe. Scales are arranged on the outer wall of the sampling pipe. Strength is easy to control, the drainage pipe cannot slide or be blocked, and fixing is very reliable.

The application provides an electromagnetic drainage anti-slide pile and a construction method thereof, and belongs to the field of landslide prevention engineering. The anti-slide pile comprises hollow piles, gravel, anchor cable, coils, a controller, a moisture meter, a water pumping pipe and a portable water suction pump, wherein a second type of hollow pile is coaxially nested in a first typeof hollow pile, the gravel is filled between the two types of piles, and the gravel is squeezed into the first type of hollow piles by the anchor cables; the coils are wound on the outer wall of the water pumping pipe and is nested in the second type of hollow pile; the portable water suction pump is arranged at the top end of the water pumping pipe, the controller is arranged outside a slope andis respectively connected with the moisture meter, the coil and the high-frequency alternating-current power supply; when the water content of the soil body is larger than the limit water content, thecoil generates an alternating magnetic field to promote the water to enter the hollow pile, and the water pumping pipe and the portable water suction pump discharge water in the slope to the outsideof the slope; and otherwise, the coil is powered off. According to the anti-slide pile for monitoring and rapid drainage, the problem of instability caused by difficulty in drainage of a low permeability slope in a rainfall-rich area is solved, the structure is simple, the construction is easy, and the cost is greatly saved.

The invention provides a movable multifunctional external grounding device, which comprises a grounding panel, a grounding pin, a lead screw, a nut, an upper ferrule and a lower ferrule, wherein the top of the grounding pin is fixed on the lead screw; a pedal rod is arranged on the lead screw; the nut is sleeved at the periphery of the lead screw, forms a pair of lead screw nut mechanism with the lead screw and is fixed on the grounding panel; the nut is fixed on the grounding panel through the upper ferrule and the lower ferrule; a water inlet pipeline is arranged on the lead screw; the tail end of the water inlet pipeline is provided with a drainage groove; and the top of the lead screw is provided with an inner hexagon spanner. The movable multifunctional external grounding device is suitable for assembly of substations and output line iron towers and is mainly used for providing shell grounding measures of large equipment with an external power supply and temporary grounding measures in line construction. The device is mainly used for preventing thunderstorm and thunder from damaging the shells of tools and harming personal safety of workers, the thunder can be drained reliably under the ground during raining and lightning, and the workers and the equipment are safe in operation and are protected.

The invention discloses a solar integrated road lamp which comprises a base. A lower lamp rod is arranged on the base. An upper lamp rod is assembled at the top end of the lower lamp rod through a lamp rod assembling bolt. Two supporting columns extend out of the top end of the upper lamp rod and are in a Y shape. The two supporting columns are a photovoltaic board supporting column and a lamp head supporting column respectively. The photovoltaic board supporting column extends upwards vertically. Two supporting columns also extend out of the bottom end of the upper lamp rod and are in a Y shape. The two supporting columns are an assembling supporting column and an oblique battery box limiting supporting column. The vertical assembling supporting column is used for being inserted into the top end of the upper lamp rod for assembling. A battery box is arranged on the side face of the assembling supporting column of the upper clamp rod. The base is fixedly arranged on a foot margin component pre-buried below the ground. A photovoltaic board support is assembled on the photovoltaic board supporting column of the upper lamp rod. A photovoltaic board is arranged on the photovoltaic board support. The photovoltaic board support comprises a frame. A photovoltaic board assembling hole for assembling of the photovoltaic board is formed in the frame. A solid center plate is arranged at the center of the frame.

The invention discloses a self-generating tire capable of improving automobile transmission efficiency, and relates to the technical field of automobile tires. The tire aims to improve the tire transmission efficiency while the damping performance is guaranteed. The tire particularly comprises an outer tire layer and a hub, wherein a tire bag is arranged on the inner side of the outer tire layer,the hub comprises a hub seat and a hub outer ring, the hub outer ring is fixed to the hub seat through hub frames which are evenly and circumferentially distributed, and four or more assembling holesare formed in the hub seat; and two symmetrical edge covering rings are integrally arranged on the outer wall of an inner ring of the outer tire layer, and the outer tire layer sleeves the outer wallof a hub outer ring in an elastic deformation mode through the edge covering rings. By arranging a graphene layer, a graphene battery assembly and other structures, the heat transfer effect is enhanced along with increase of the automobile speed, then the pushing effect of an air outlet pipe and the air supplementing speed of a small air pump are enhanced, the purpose that the auxiliary pushing capacity changes along with change of the automobile speed is achieved, and the transmission effect is indirectly improved.

The invention relates to an indoor air conditioner with detachable bases. The air conditioner comprises a motor (3), a left fixing piece (4), a right fixing piece (5), a second right fixing base (9), the detachable upper base (1) and the detachable lower base (2); a motor containing groove (6) is formed in the lower base (2), the second right fixing base (9) is connected into the motor containing groove (6), an upper water groove (18) is formed in the lower portion of the upper base (1), a front water groove (19) is formed in the front portion of the lower base (2), a side water groove (20) communicated with the front water groove (19) is formed in the left side of the lower base (2), and a water guide nozzle (21) for guiding condensate water in the upper water groove (18) to the side water groove (20) is formed in the left side of the upper base (1). The indoor air conditioner has the beneficial effects that the mold development and manufacturing cost of the air conditioner can be greatly reduced, the air conditioner production cost is reduced, and water leakage of the air conditioner is prevented.

The invention discloses a clothes treatment device. The clothes treatment device comprises a first clothes treatment module, a second clothes treatment module and a drainage system, wherein the drainage system comprises a drainage pump, a first drainage pipe and a second drainage pipe; the drainage pump is connected between a drainage port of the first clothes treatment module and a first end of the first drainage pipe; a first end of the second drainage pipe is connected with a drainage port of the second clothes treatment module; a second end of the first drainage pipe is connected with thesecond drainage pipe; and the joint of the second end of the first drainage pipe and the second drainage pipe is lower than at least one part of the first drainage pipe. According to the clothes treatment device, the joint of the second end of the first drainage pipe and the second drainage pipe is lower than at least one part of the first drainage pipe, so that the gravity of water in the seconddrainage pipe can offset pressure of the drainage pump on the second drainage pipe, water drained by the first drainage pipe is prevented from being pressed into the second clothes treatment module, and normal work of the clothes treatment device can be guaranteed.

The invention relates to an anti-falling indoor air conditioner. The anti-falling indoor air conditioner comprises a hanging board (3), a detachable upper base (1) and a detachable lower base (2). A hanging structure is arranged between the upper base (1) and the hanging board (3). The hanging board (3) is provided with baffles (4). The upper base (1) is provided with limiting blocks (5). The limiting blocks (5) are located under the baffles (4). An upper water chute (11) is formed in the lower portion of the upper base (1). A front water chute (12) is formed in the front portion of the lower base (2). The left side of the lower base (2) is provided with a side water chute (13) communicating with the front water chute (12). The left side of the upper base (1) is provided with a water guide port (14) capable of draining condensate water in the upper water chute (11) into the side water chute (13) is formed in the left side of the upper base (1). The anti-falling indoor air conditioner has the advantages that the anti-falling structure is simple; the upper base and the hanging board are convenient to dismantle; accordingly, assembly and daily maintenance of the indoor air conditioner are facilitated, and water leakage of the indoor air conditioner can be prevented.

A water grate capable of preventing the evaporation of the sealing water of a floor drain is provided with a plurality of rectangular drain holes (2), a corresponding rectangular check valve (5) is arranged under each rectangular drain hole (2), and a hinge of the rectangular check valve (5) is arranged on one long side of the rectangle. The check valve (5) is made of an elastic rubber board (3) with three cuts (4) corresponding to the rectangular drain hole (2), which has the same size as the whole water grate does. The check valves (5) arranged on the water grate can prevent the sealing water stored in the floor drain from being in contact with the air, consequently, the water cannot be evaporated to be reduced after a long time, and the sealing reliability of the water sealing type floor drain is guaranteed; the structure of the check valve made of the rubber board (3) is simple, and the cost is almost not increased. The design idea of arranging the check valves on the water grate breaks through the long-standing idea, and solves the problem of easy water evaporation in the water sealing type floor drain, which cannot be solved for a long time.

The invention relates to highway tunnel draining construction, in particular to a central draining construction method of a highway tunnel. The problem that a concrete draining pipe in a central draining ditch is easily damaged in the existing central draining construction method of the highway tunnel is solved. The construction method is realized by the following steps: 1, building the central draining ditch in inverted arch concrete filler, wherein the central draining ditch consists of a lower narrow ditch, an upper wide ditch and a horizontal support surface carrying out transition betweenthe lower narrow ditch and the upper wide ditch; 2, enabling a transverse draining pipe and a road surface transverse water guide pipe of the tunnel to extend to and communicate with the narrow ditchat the lower part of the central draining ditch; 3, paving a cover plate on the central draining ditch, and separately supporting the two sides of the cover plate on the horizontal support surface onthe two side walls of the central draining ditch; and 4, backfilling the wide ditch above the cover plate with concrete to the inverted arch concrete filler surface. Water is guided into the narrow groove at the lower part of the central draining ditch by the transverse draining pipe and the road surface transverse water guide pipe and directly discharged out of the tunnel.

The invention relates to a wall-mounted air conditioner provided with detachable bases. The air conditioner comprises a detachable upper base (1) and a detachable lower base (2) and is characterized in that multiple buckling structures capable of preventing the middle of the upper base (1) and the middle of the lower base (2) from being separated from each other are arranged between the middle of the upper base (1) and the middle of the lower base (2); an upper water groove (13) is formed in the lower part of the upper base (1); a front water groove (14) is formed in the front part of the lower base (2); a side water groove (15) communicating with the front water groove (14) is formed in the left side of the lower base (2); and a water guide nozzle (16) capable of guiding condensate water in the upper water groove (13) into the side water groove (15) is arranged on the left side of the upper base (1). The air conditioner has the advantages as follows: the middle of the upper base and the middle of the lower base can be prevented from being separated from each other, so that the dustproof effect of the air conditioner is good, the beauty of the air conditioner can be effectively guaranteed, and water leakage of the air conditioner can be prevented.

The invention discloses a pump body component of a dehumidifier, the dehumidifier and a control method of the dehumidifier. The dehumidifier comprises a water tank. The pump body component comprises a pump body, a driving motor and a magnetic piece; the pump body comprises an impeller and is located in the water tank; the driving motor is arranged outside the water tank; the magnetic piece is located between the pump body and the driving motor; and the driving motor drives the pump body to rotate through the magnetic piece. According to the pump body component of the dehumidifier, the pump body is arranged in the water tank, the driving motor is arranged outside the water tank, and the magnetic piece is arranged between the driving motor and the pump body, so that when the driving motor rotates, the pump body component can be driven through the magnetic piece to rotate, and water in the water tank can be pumped out. In addition, the magnetic piece is arranged between the driving motor and the pump body component for indirect driving, so that the problem of water leakage of the water tank due to the fact that a communicating hole is formed in the water tank is avoided. Besides, the driving motor is arranged outside the water tank, so that the driving motor is effectively prevented from being damaged by damp, and the driving motor is convenient to maintain and change.

The invention discloses a medical drainage pipe, and belongs to the field of medical apparatuses. The medical drainage pipe comprises a pipe body, a connecting pipe, a sampling pipe, a base and a pressing plate above the base. Arc pipe grooves matched with the pipe body are formed in the opposite faces of the base and the pressing plate. The pipe grooves in the base and the pressing plate correspond each other vertically. Adjusting columns are arranged on the two sides of the pipe groove in the pressing plate. A plurality of protruding clamps are axially distributed on the adjusting columns. The two sides of the pipe groove of the base are provided with limiting holes matched with the adjusting columns. Guiding columns are arranged at the two ends of the base. The upper ends of the guiding columns penetrate through the pressing plate and are connected with bulbs. The pipe body is located inside the pipe groove, and the pipe wall of the front end of the pipe body is provided with a plurality of drainage holes distributed circumferentially. One side of the pipe body is connected with the connecting pipe. The connecting pipe is connected with the sampling pipe. The diameter of the sampling pipe is larger than the diameter of the connecting pipe. The outer wall of the sampling pipe is provided with scales. The strength is easy to control, the phenomenon that a drainage pipe slides or is plugged is avoided, and fixation is quite reliable.