131 results about "Damp environment" patented technology

The utility model discloses a roadway fireproof door for a coal mine, which comprises a door frame and a door plate, the door plate is hinged on the outer wall of the door frame, a fireproof mechanism for preventing fire from spreading is arranged in the door frame, and a protection component for protecting the fireproof mechanism is arranged on the outer wall of the door frame. During use, the fireproof mechanism is installed on the door frame, when a fire occurs in a roadway, the fireproof mechanism can detect the temperature in the roadway, and when the temperature is high, the fireproof mechanism is automatically started and sprays water, so that the fire in the roadway is slowed down, meanwhile, the sprayed water can cool the door frame, and the service life of the door frame is prolonged; and by arranging the protection assembly, when the door frame and the fireproof mechanism are installed in the roadway, the humid environment in the roadway can affect the service life of the fireproof mechanism, at the moment, the protection assembly can prevent the fireproof mechanism from making direct contact with moisture, and the service life of the fireproof mechanism is prolonged.

The utility model relates to the technical field of pneumatic connecting devices, in particular to a pressing type pneumatic connector. The long rod M thread valve element comprises a button and a long rod M thread valve element, the arc surface of the button is in sliding connection with a fixing buckle, the inner wall of the fixing buckle is in sliding connection with a lock catch, the arc surface of the lock catch is in sliding connection with a pressing ring, one side of the pressing ring is in sliding connection with a special-shaped sealing ring, and the arc surface of the lock catch is provided with a plastic part. The arc face of the long rod M threaded valve element is connected with a long rod valve element O-shaped sealing ring in a sliding mode, the arc face of the long rod M threaded valve element is sleeved with a spring and a valve body, and the inner wall of the valve body is connected with a valve element O-shaped sealing ring in a sliding mode. The problem that before the valve body is not used, dust or moisture easily enters a port of the valve body in an industrial environment or a humid environment, and then parts in the valve body are damaged is solved.

The utility model discloses a material melting barrel with self-locking turnover function, which comprises a material melting barrel body, a material containing barrel, a turnover mechanism and a barrel locking mechanism, the turnover mechanism comprises a turnover air cylinder, a rack, a gear, a turnover shaft and a turnover barrel sleeve, and the barrel locking mechanism comprises a barrel locking air cylinder and a barrel locking shaft. The turnover mechanism is realized by adopting the air cylinder and the gear rack structure, the air cylinder is safe in explosion-proof execution, has better performance than a common alternating current motor and is more reliable than a servo motor, and multi-section fixed-point control can be simultaneously realized if a plurality of proximity switches are expanded on the air cylinder. Therefore, the device can be widely applied to other environments with static safety, floating dust and humid environment. And for the advantages of the gear rack mechanism, the reliable action can be realized, and the maintenance period is greatly prolonged.

The present invention discloses a height-adjustable water level alarm device in a water conservancy project, which relates to the technical field of water conservancy project equipment and solves the problem that existing alarm devices generally use a sensing device to convey the height of the water level to the alarm equipment, and the sensing device is prone to malfunction due to a humid environment. A height-adjustable water level alarm device in a water conservancy project includes a scale rod, a buried pile and a floating plate. A support plate is provided at the rear side of the top of the buried pile, and two rear plates are provided at the rear side of the support plate. A cross roller is rotatably installed on these two rear plates; a bevel gear is provided in the middle section of the cross roller; a floating plate is sleeved and slidably installed on the scale rod, and the floating plate is of a circular structure; a connecting plate is provided at the rear side of the support plate. In the present invention, the floating plate, two telescopic rods, two top columns and the limiting plate cooperate to trigger two alarms, and the accident rate of triggering two alarms is smaller compared with using a sensing device.

The utility model relates to the field of leather products and shoemaking technology, especially a kind of high-performance microfiber leather base sports shoes leather, including base, waterproof function layer and wear-resistant coating, the top of base is provided with ventilative function layer, several ventilative micropores are evenly distributed on the upper end of ventilative function layer, waterproof function layer is covered on ventilative function layer, contact angle is not less than 120 °, wear-resistant coating is set to the side of sports shoes leather and ground contact, with anti-skid texture.The utility model relates to a kind of high-performance microfiber leather base sports shoes leather, by ventilative, waterproof, wear-resistant and anti-skid key performance is integrated in one body.Ventilative micropore is rectangular array distribution and aperture precision design, can efficiently discharge shoe in moisture, keep dry, inhibit bacteria breeding;Multi-layer waterproof layer is collocated with stable outer frame, waterproof is strict, and is not afraid of damp environment.Wear-resistant coating and anti-skid texture cooperate, wear-resistant at the same time grip ground force is strong, adapt to various sports scenes.

The utility model discloses a multi-groove anti-skidding slipper, which relates to the field of daily necessities, and comprises a sole and a vamp, and the top end of the sole is provided with the vamp. Through the grooves, the slipper can better wrap the foot sole and prevent sideslip ankle spraining and wrestling, meanwhile, the foot sole can be prevented from sliding outwards under special conditions, so that the anti-skid effect is enhanced, the drainage grooves are transversely formed, accumulated water in the shoe sole can be rapidly drained, the slip risk caused by water stains is reduced, and the slipper is convenient to use. The friction force between the sole and the sole is improved through the anti-skid particles, the anti-skid effect between the sole and the sole is enhanced, the stability and the comfort degree are improved, the friction force between the sole and the ground is improved through the wavy anti-skid strips, the connecting columns and the anti-skid grooves, and the anti-skid effect between the sole and the ground is enhanced; the anti-slip strips and the connecting columns are made of EVA materials, so that the anti-slip slippers are wear-resistant, good road holding force can be kept in a humid environment, and the wearing safety of the slippers is improved.

The utility model relates to PVC section bar technical field, and disclose a kind of PVC section bar milling groove tool, including workbench, the top of workbench is provided with recess, the inner wall of recess is fixedly connected with support leg, the top of support leg is fixedly connected with placing plate, cleaning mechanism is provided on the workbench, and the cleaning mechanism includes side plate, guide rail, linear motor, telescopic link, mounting bracket, first spring, cleaning roller.The utility model linear motor drives cleaning roller to move along section bar surface, cooperate the elastic compression of first spring, ensure that cleaning roller and section bar surface are closely attached, effectively wipe water vapor and attached impurity, avoid milling when chippings because of damp agglomerate and block cutter, hot air blower is sent hot air to the section bar surface after cleaning by air outlet pipe, accelerate residual water vapor evaporation, reduce section bar surface moisture content, solve chippings sticking problem from root when milling groove in damp environment, improve milling groove precision.

The utility model discloses a high-efficiency waterproof high-temperature-resistant FPC board which comprises a PI film, a copper foil layer, an ink layer, a first waterproof layer, a high-temperature-resistant layer, a second waterproof layer and a cover film protection layer. Through the arrangement of the first waterproof layer and the second waterproof layer, the waterproof performance of the FPC board can be greatly improved through the double-waterproof-layer structure, when an electronic product is accidentally soaked in water or located in a humid environment, moisture and other humid factors are not prone to corroding a circuit on the FPC board, the problems of short circuit and corrosion are avoided, the FPC board is not prone to being damaged, and the service life of the electronic product is prolonged. The normal use of the FPC board is ensured, and the product quality is improved; moreover, the arrangement of the high-temperature-resistant layer can effectively improve the high-temperature-resistant performance of the FPC board, the conductivity of the copper foil layer on the FPC board cannot be reduced in a high-temperature environment, the normal operation of a circuit is ensured, the signal transmission quality is ensured, the safety performance during use is improved, the service life of a product is prolonged, convenience is brought to the use of a user, the functions are richer, and the existing requirements are met.

The application discloses high-strength silt solidified soil and a preparation method thereof, and belongs to the technical field of building materials. The high-strength silt solidified soil comprises quartz sand, silt, a composite solidifying agent and water; the composite solidifying agent comprises water glass, cement, a reinforcing agent, calcium oxide, sodium lignosulfonate and slag; the solidified soil prepared by the application has good compressive strength and good impermeability, can be applied to a humid environment or a water conservancy project, the preparation process of the application is simple, the construction cost is low, efficient utilization of silt is realized, and the application has remarkable economic benefits and social benefits.

The utility model belongs to the technical field of ships, and discloses a cable protection device which comprises a protection pipe, a cable penetrates through the protection pipe, and a first discharge port is formed in the side face of the protection pipe and used for discharging accumulated water in the protection pipe. And the discharging component is connected to the protection pipe, and the discharging component can block or open the first discharging opening. According to the utility model, the outer side of the cable is protected through the protection pipe, and the side surface of the protection pipe is provided with the first discharge port, so that accumulated water in the protection pipe can be discharged in time, the cable is prevented from being soaked in water or a humid environment for a long time, the aging of the cable is slowed down, and the first discharge port can be blocked or opened by using the discharge part; in this way, accumulated water in the protection pipe or water entering the protection pipe can be drained in time according to needs, and the leakage component is connected to the protection pipe, so that the situations of loss and the like in the drainage process can be avoided.

The invention discloses a monitor with moisture-proof and dust-proof functions, and relates to the technical field of monitoring equipment, and the monitor comprises a housing which is provided with side plates which are symmetrically arranged, and the side plates are respectively provided with heat dissipation holes; the monitoring equipment is arranged in the shell, and the monitoring equipment is provided with a camera exposed out of the shell; the ventilation film pipe is arranged in the shell and connected with the monitoring equipment in an attached mode, one end of the ventilation film pipe is connected with the heat dissipation holes in one side plate, and the other end of the ventilation film pipe is connected with the heat dissipation holes in the other symmetrical side plate. The ventilation film pipe can prevent dust particles and moisture from entering the shell. Even in a dusty or humid environment, external dust and moisture are difficult to enter the shell, so that the environment where the monitoring equipment is located is dry and clean.

The present invention relates to the technical field of high-voltage cable moisture simulation state monitoring, and specifically discloses a high-voltage cable moisture simulation state monitoring and analysis method, the method comprising: insulation shell information collection and analysis, conductor information collection and analysis, conductive information collection and analysis, and comprehensive moisture resistance performance evaluation; the present invention analyzes the comprehensive moisture resistance performance evaluation index of the high-voltage cable segment in the current production batch from three levels: the insulation shell level, the conductor level, and the conductive level, and provides feedback, thereby achieving multi-faceted and multi-dimensional evaluation of the moisture resistance of the high-voltage cable, and simultaneously achieving real-time monitoring and prediction of the status of the high-voltage cable in a damp environment, thereby more accurately understanding the moisture resistance performance status of the high-voltage cable, improving the stability and reliability of the power system operation, and improving the timeliness of discovering unqualified moisture resistance performance of the high-voltage cable, solving potential safety hazards, and extending the service life of the cable.

The utility model discloses poultry farming equipment with a drying device. The poultry farming equipment comprises a wall body, according to the poultry breeding equipment with the drying device, through cooperative use of an adjusting mechanism, a hydraulic push rod is started to drive a fixing ring to move in the use process of the equipment, meanwhile, the fixing ring is movably connected with a first transverse rod, and a right-angle plate is movably connected with a second transverse rod through a connecting block; a first motor is cooperatively started to drive a first rotating shaft and a first gear to rotate, and then the first gear and a second gear are meshed with each other to drive the hot air box to rotate left and right or swing, so that the angle of the hot air box is comprehensively adjusted, and hot air can be comprehensively blown into the breeding environment; the efficiency of drying the interior of the feeding environment is effectively improved, the situation that the growth and development of poultry are affected due to the fact that the interior of the environment is humid and bacteria breed is avoided, and then the practicability of the equipment is improved to a certain degree.

The application provides a waterproof structure for SFP optical module used in humid environment, which comprises a shell and a button arranged on the shell; the shell comprises an optical module accommodating cavity and a connecting hole, the optical module is arranged in the optical module accommodating cavity, and the optical module connecting wire passes through the connecting hole; the position of the button corresponds to the position of the buckle of the optical module, and the button is used for pressing the buckle; the plug-in end of the optical module extends from the opening of the optical module accommodating cavity, the opening is provided with a mounting part, and a sealing structure is arranged between the mounting part and the connecting body. The waterproof structure for SFP optical module used in humid environment disclosed by the application does not change the structure and use method of the SFP optical module, is conveniently mounted on the outside of the optical module, and isolates the SFP optical module in the humid environment, so that the optical module can be normally used in the humid environment, does not need to be mounted in the equipment, does not increase the equipment volume, and is convenient for maintenance and repair.

To provide a magnetically attracted aluminum alloy bathroom stool. [Solution] A magnetically attracted aluminum alloy bathroom stool comprising an aluminum alloy stool with at least one magnet 2 attached to the inside, including a seat 3 and four legs, the magnet attached to the aluminum alloy stool, a magnetic attraction base 5 attached to the inside of the seat, the magnet embedded in the magnetic attraction base, and a magnet cover plate 6 attached to the magnetic attraction base. The magnet's magnetic properties allow it to be attracted to iron-containing objects in the bathroom, saving space, and the aluminum alloy material of the aluminum alloy stool itself ensures its light weight, corrosion resistance, and rust prevention, making it perfectly suited to the humid environment of a bathroom over a long period of time.

The utility model discloses a corrosion-resistant steel pipe with strong resistance, which comprises a steel pipe body, a first corrosion-resistant layer, a sealing layer A, a second corrosion-resistant layer, a sealing layer B, an outer ring pipe body, a connecting block A, a connecting block B and a buffer spring. In the actual use process, even if the steel pipe is subjected to overlarge impact force, due to the protection of the outer ring pipe body and the buffering of the buffer spring on the impact force, the steel pipe cannot deform or be damaged when subjected to the impact force, and when the steel pipe is used in a humid environment, the pipe body cannot be corroded due to damp; and the quality, the service life and the use safety of the steel pipe are integrally improved.

The present invention provides a clothing processing device, which includes: a clothing processing barrel having an air inlet, an air return port, and a clothing storage and access port; a drying component connected to the air inlet and the air return port, respectively; a sealed door including a door body and an observation window, the door body being openable and closable and arranged at the clothing storage and access port, the observation window being connected to the door body and moving with the door body; and a door seal, the door seal ring being arranged at the clothing storage and access port, and the door seal being used to fill and seal the gap between the door body and the clothing storage and access port when the door body is closed at the clothing storage and access port; wherein the observation window includes a protrusion facing the interior of the clothing processing barrel when the door body is closed at the clothing storage and access port, and an air guide structure is provided on the side of the protrusion close to the air inlet, the air guide structure being used to guide drying air into the interior of the clothing processing barrel and the inner ring of the door seal. In the present invention, the air guide structure can guide part of the drying air to the inner ring of the door seal, thereby drying the door seal and preventing the door seal from being in a humid environment for a long time, causing mold and breeding of bacteria.

The utility model discloses a multi-port waterproof connector, which comprises a shell, a first accommodating cavity is arranged in the shell, a plurality of mounting grooves are arranged in the first accommodating cavity, center pins are arranged in the plurality of mounting grooves, outer conductors are sleeved on the center pins, and a cable connected with the center pins is arranged at the other end of the shell; a first assembling cavity is formed between the outer wall of the first containing cavity and the inner wall of the shell, the outer wall of the first containing cavity is sleeved with a first waterproof ring, and a first sealing cover is clamped to the end, close to the waterproof ring, of the first containing cavity. A sealing cavity communicated with the mounting groove is formed in the other end of the shell, a second waterproof ring is arranged in the sealing cavity, the second waterproof ring sleeves the part, located in the sealing cavity, of the cable, a second sealing cover is clamped to the other end of the shell, and the second sealing cover is used for blocking the second waterproof ring in the sealing cavity; by means of the mode, the waterproof LED lamp can be suitable for a humid environment and has good waterproof performance.

This utility model provides an outdoor steel structure box-type substation, including a transformer box body, a stabilizing base, a sealing door, a circulating cooling mechanism, a sealed roof, a sunshade roof, and a rainproof curtain. The stabilizing base is fixedly installed on the ground, and the transformer box body is fixedly installed on the surface of the stabilizing base. The sealing door is installed on one side of the transformer box body. The circulating cooling mechanism is fixedly installed on the outer walls at both ends of the transformer box body, and the sealed roof is fixedly installed on the top of the transformer box body. The sunshade roof is fixedly installed above the sealed roof. The rainproof curtain is fixedly installed at one end of the sunshade roof. The stabilizing base and circulating cooling mechanism of this utility model provide strong cooling capacity and can isolate the transformer from the damp environment of the ground.

The utility model relates to the technical field of oxygen sensors, in particular to a condensed water prevention oxygen sensor which comprises a sensor body, an inner shell is arranged on the inner side of the sensor body, and a detection mechanism is arranged in the inner shell. An outer shell is arranged outside the inner shell, and a moisture absorption mechanism is arranged between the outer shell and the inner shell; a tightening mechanism is arranged between the lower ends of the outer shell and the inner shell, and a positioning mechanism is arranged between the upper ends of the outer shell and the inner shell. In a humid environment, after air containing a large amount of water vapor enters the space, the water vapor is adsorbed by the sponge sleeve, so that the humidity of the air is reduced, and the possibility that the water vapor is condensed into condensed water on the sensing element is reduced.

The utility model discloses a gas sensitive sensor for poison gas detection, which comprises a base, the top of the base is provided with a lower shell, the inside of the lower shell is fixedly connected with a frame body, the top of the frame body is connected with a reinforcing ring, the inside of the frame body is provided with a drying sheet, the outside of the lower shell is provided with a notch, and a push plate is embedded in the notch. And the push plate is arranged at the bottom of the drying sheet. According to the gas sensitive sensor for poison gas detection, the frame body, the reinforcing ring, the drying piece, the notch, the push plate and other structures are arranged in the sensor, so that a humid environment can be conveniently dried, the reinforcing ring is arranged at the top of the frame body, and a worker installs the drying piece in the frame body, so that the drying piece can be conveniently dried; and when the effect of the drying sheet is weakened, a worker pushes the push plate in the notch to take out the drying sheet and replace the drying sheet with a new drying sheet, so that the drying effect of the gas sensitive sensor on the moisture in the surrounding environment can be improved.

The bakelite packaging box comprises a bakelite packaging box body and a supporting plate base arranged at the bottom of the bakelite packaging box body, welding plates are arranged on the two sides of the bottom of the supporting plate base respectively, sliding ways are arranged on the inner sides of the welding plates respectively, and sliding ways are arranged on the two sides of the inner side of a bottom frame respectively. Sliding threaded blocks are arranged on the connecting rods, pulleys are arranged on the outer sides of the upper ends of the inner supporting frames, connecting rods are arranged at the upper ends and the lower ends of the outer supporting frames, pulleys are arranged on the outer sides of the lower ends of the outer supporting frames, lead screws are arranged between the sliding threaded blocks and the fixing blocks, and a rocking handle is arranged at one end of each lead screw. According to the bakelite packaging box, the lead screw can be driven to rotate through the grab handle, the sliding threaded block is driven to axially move, then the inner supporting frame and the outer supporting frame are pulled through the connecting rod to achieve synchronous lifting, the supporting plate base is stably lifted, the bakelite packaging box is far away from the humid environment of the ground, and the service life is effectively prolonged.

The utility model relates to the technical field of plywood, in particular to waterproof and antibacterial plywood which solves the problems that a waterproof strip is abraded and damaged after being used for a long time, so that the waterproof effect becomes poor, and the plywood is eroded and mildewed due to the fact that mould is easy to breed in a humid environment. Through the arrangement of the protection plate, the damp-proof inclined plate, the air holes, the damp-proof base plate and the waterproof film, the protection plate provides basic supporting and structural strength, the waterproof film made of polyvinyl chloride covers the outer surface of the protection plate, a continuous waterproof barrier is formed, water is effectively prevented from permeating into the plate, the surface is smooth, and daily maintenance and cleaning are convenient; the damp-proof inclined plate made of rubber-based materials is arranged on one side of the protection plate and used for guiding water flow away from the plate and preventing water from accumulating on the edge of the plate, the air holes are used for balancing internal and external air pressure and preventing moisture condensation caused by temperature difference, and the damp-proof base plate made of polyethylene foam is arranged on one side of the protection plate and further isolates moisture of the ground or a wall.

The invention belongs to the technical field of sewage concrete pipelines, and discloses a modified mortar coating material for corrosion prevention of a sewage concrete pipeline and a preparation method of the modified mortar coating material. The preparation method comprises the following steps: weighing raw materials according to a preset ratio; uniformly mixing the weighed water supply aluminum sludge ash and the Portland cement dry material to obtain a dry material A; mixing the weighed water, water reducing agent and nano aluminum oxide, and performing water bath ultrasonic treatment to obtain a mixed solution B; and pouring the mixed solution B into the dry material A, stirring, adding tributyl phosphate, and hydrating to obtain the modified mortar coating material. According to the technical scheme, resource utilization of the water supply sludge can be achieved, the service life of the municipal sewage concrete pipeline can be prolonged, and the problems that in the warm and humid environment, due to the fact that microorganisms produce acid, mortar on the surface of the pipeline is damaged and falls off, the pipeline cracks, and steel bars are corroded are effectively solved. And the service life is far lower than the designed service life.

The utility model discloses an angle sensor, which relates to the technical field of angle sensor waterproofing and comprises a cylinder, a sensor body is arranged in the cylinder, a rotating shaft is fixedly arranged at the lower end of the sensor and penetrates through the cylinder, a waterproof mechanism is arranged in the cylinder and comprises a fixing frame, and the fixing frame is fixedly connected with the inner wall of the cylinder. A plurality of fixing grooves are formed in the fixing frame, elastic filter plates are clamped among the fixing grooves, a plurality of cavities are formed between the fixing frame and the inner wall of the cylinder, and drying bags are placed in the cavities. According to the utility model, the drying bag is arranged in the cavity, the elastic filter plates are sequentially clamped into the fixing grooves, the sensor body is arranged in the cylinder, and the drying bag absorbs water vapor permeating into the cylinder, so that the corrosion of the sensor and the failure of parts caused by water vapor permeation can be avoided even if manufactured machinery and instruments are in a humid environment; and the elastic filter plate can be directly taken down from the fixing groove, so that the drying bag can be conveniently replaced.

The invention relates to a dynamic voltage restorer, which effectively solves the problem that the bottom of a humid environment is easy to corrode and the like. According to the technical scheme, the device comprises a box body and a voltage recovery module, a ventilation module is arranged at the bottom of the box body and comprises a ventilation pipe and an air suction pipe, a rotating pipe is rotationally arranged on the lower surface of the air suction pipe, and a rotating force storage mechanism is arranged on the outer surface of the rotating pipe; the rotary force storage mechanism comprises a rotary groove, a transverse rod and a one-way block. Through the upper side opening and the lower side opening designed in the bottom piece, air can be blown to the bottom of the lifted bottom piece, air can be blown to the ground below the lifted bottom piece, the double-face air blowing effect is achieved, the air blowing direction of the lower side opening corresponds to the position of the rotating pipe, and the rotating pipe can convey blown dust or liquid to the outside; and the bottom of the rotating pipe can deform, so that dust and liquid can be quickly accumulated near the air suction pipe.

The utility model provides a shielding case. The shielding case comprises a case body and a connector, a mounting hole is formed in the case body, the connector comprises a connector main body and a fixing part extending outwards from the peripheral side of the connector main body, and the connector main body penetrates through the mounting hole; the shielding case further comprises a conductive alloy gasket, a locking and fixing area is arranged at the position, close to the mounting hole, of the case body, one face of the conductive alloy gasket abuts against the locking and fixing area, the other face of the conductive alloy gasket abuts against the fixing part, and the conductive alloy gasket is fixed between the fixing part and the case body. The conductive alloy gasket is sleeved on the connector main body, and one surface of the conductive alloy gasket is attached to the connector, and the other surface of the conductive alloy gasket is attached to the case body, so that the conductive alloy gasket can prevent the internal environment of the case body from being eroded in a high-salt and humid environment, thereby achieving the purposes of improving the shielding property of the case and prolonging the service life of the case. And the shielding performance of the case in a complex environment can be ensured.

The invention discloses a marine control box with a moisture-proof function, which comprises a base, a control box body is supported and fixed by the base, a protection box is arranged on the outer side of the control box body, a moisture-proof device is arranged at the top of the control box body, the moisture-proof device comprises an adjusting seat, a sliding groove is formed in the upper side of the adjusting seat, and two moisture-proof filters are slidably connected in the sliding groove. The two moisture-proof filters are connected through a connecting rod, and an air inlet device and two regeneration devices are arranged on the protection box. The marine control box with the moisture-proof function has the advantages that in the working process of one moisture-proof filter and the regeneration process of the other moisture-proof filter through the regeneration device, water absorbed by the filter elements of the moisture-proof filters is discharged, the filter elements are in the dry state again for use next time, and meanwhile the moisture-proof function is achieved. And in the regeneration process, the other regeneration device can actively exhaust humid air in the protection box, so that the control box body works in a non-humid environment, and the damp-proof function is indirectly improved.

The utility model discloses a moisture-proof PVC (polyvinyl chloride) decorative plate, which belongs to the technical field of decorative plates and comprises a PVC plate, a plurality of through grooves are formed in the middle of the PVC plate in the thickness direction of the PVC plate, a cover plate and a water absorption rod are clamped and fixed in the through grooves, the cover plate is abutted against the water absorption rod, the surface of the cover plate is flush with the surface of the PVC plate, and the back surface of the water absorption rod is flush with the back surface of the PVC plate; and through the water absorption rods fixed in the through grooves in the PVC plate, the cover plate presses the PVC plate in the through grooves and makes contact with the wall face, seepage water on the wall face is absorbed, the wall face and the back plate of the decorative plate are prevented from generating mold in a humid environment for a long time, and the practicability of the decorative plate is improved.