84results about How to "Achieve waterproof" patented technology

The utility model belongs to the technical field of wiring, and particularly relates to a waterproof junction box and a waterproof wiring terminal thereof, which comprise a wire holder assembly, an insulating sealing cap and a first insulating sealing ring, connecting electrodes are arranged in the external thread convex columns on the upper surface of the wire holder assembly; a connecting bridge is arranged in the wire holder assembly and is electrically connected with the connecting electrode; the insulating sealing cap is in threaded connection with the external thread convex column; a wire core of the conductive wire can penetrate through a hole in the insulating sealing cap and the first insulating sealing ring and is in electric contact with the connecting electrode; and the insulating sealing cap can tightly press the first insulating sealing ring, so that the inner ring side of the first insulating sealing ring is in sealing contact with the insulating layer of the conductive wire. According to the scheme, the first insulating sealing ring is sealed among the insulating sealing cap, the external thread convex column and the conductive wire insulating layer, so that waterproof isolation between the wire core and the external environment is realized, the waterproof performance of the wiring position is effectively realized, and the waterproof performance of the wiring terminal in use is ensured.

The invention discloses an unmanned aerial vehicle battery replacement system which comprises a battery replacement mechanism, the battery replacement mechanism comprises a vertical driving module and a linear module capable of vertically ascending and descending along the vertical driving module, an elastic battery replacement assembly capable of transversely moving is arranged above the linear module, and the elastic battery replacement assembly can take down an unmanned aerial vehicle battery from an unmanned aerial vehicle. Or the unmanned aerial vehicle battery is clamped and installed on the unmanned aerial vehicle; a double-spring elastic assembly for battery replacement protection of the unmanned aerial vehicle battery is arranged in the elastic battery replacement assembly; according to the unmanned aerial vehicle battery replacing device, the elastic battery replacing assembly capable of replacing the unmanned aerial vehicle battery is arranged on the linear module, and the double-spring elastic assembly capable of making direct contact with the battery is arranged in the elastic battery replacing assembly, so that the situation that clamping force directly acts on the unmanned aerial vehicle battery during battery replacing can be effectively avoided; and the linear module can adjust the position of the elastic battery replacement assembly, so that the clamping force is adjusted through the double-spring elastic assembly, and the service life of the battery and the unmanned aerial vehicle is prolonged.

The invention discloses a heat-insulating waterproof asphalt mixture and a preparation method thereof, and relates to the technical field of building materials. The SBS modified asphalt is used as a matrix material, the isotropic mesophase asphalt is partially increased through heat treatment, accordingly, foam holes which are well-developed in structure and evenly distributed are formed in a matrix in a supercritical carbon dioxide foaming process, the heat insulation and waterproof effects are achieved, and by adding the magnesium element, the basalt short fiber and the titanium boride particles, the thermal insulation and waterproof effects are achieved. Mechanical support is formed on an interface, the stability of the structure is enhanced, the waterproof performance and the heat insulation performance of the substrate are further enhanced, a pore structure of the substrate is filled with silicon dioxide aerogel, so that the waterproof performance and the heat insulation performance of the substrate are enhanced, then the surface of the substrate is coated with a sealing agent, and the sealing agent is cured to form a film; therefore, the possibility that the asphalt mixture is damaged by water is greatly reduced.

The utility model relates to the field of photovoltaic technology, in particular to a photovoltaic waterproof groove, which comprises a fixing structure used for clamping and fixing photovoltaic panels, and fixing the photovoltaic panels with different sizes by adjusting the size of the fixing structure. The waterproof structure is used for photovoltaic waterproofing; according to the device, the positions of the two supporting plates are adjusted through sliding of the sliding blocks in the sliding openings, the positions of the clamping plates are adjusted through sliding of the limiting plates in the limiting openings, after a photovoltaic panel is placed on the two supporting plates, the clamping plates are reset through the springs, and the photovoltaic panel is clamped and fixed through the four clamping plates; the angle of the photovoltaic panel can be conveniently adjusted through rotation of the adjusting shaft in the adjusting hole, the photovoltaic panel can utilize light energy more efficiently in the using process, meanwhile, when water prevention is needed, the angle of the photovoltaic panel is adjusted to enable the shielding plate to shield a top plate of the photovoltaic panel, and therefore water prevention is achieved; according to the device, photovoltaic devices of different sizes can be conveniently fixed, and the working efficiency is improved.

The utility model discloses a protective device for basement construction, and belongs to the technical field of protective devices for construction. A protection device for basement construction comprises a frame body, a water pumping assembly and a switch assembly are arranged on the upper portion of the frame body, an auxiliary assembly is arranged outside the switch assembly, and the switch assembly is matched with the auxiliary assembly to monitor whether water seepage occurs in a basement or not in real time and controls the water seepage and pumping assembly to automatically pump water when water seepage occurs. Specifically, in actual use, when water seepage occurs in the basement, the switch assembly can be automatically triggered, the switch assembly drives the water pumping assembly to start to pump water, water seepage of the basement can be pumped in time, and construction protection can be conducted in the basement construction process. According to the anti-seepage protection structure, the anti-seepage protection operation can be better achieved in the basement construction process.

The invention relates to a waterproof stage lamp which comprises a base. The two sides of the base are rotationally connected with the lamp holder through arm parts. A driving motor is arranged in the base; the driving motor is rotationally connected with the lamp holder through a synchronous belt; a sealing end cover is arranged on a front end cover of the driving motor; the sealing end cover is in sealing connection with the inner wall of the base; a transmission shaft of the driving motor penetrates out of the sealing end cover and the base and then enters the arm part; a motor oil seal is arranged between the sealing end cover and the transmission shaft; and the lamp cap is rotationally and hermetically connected with the arm part through the connecting seat. According to the invention, the oil seal is utilized to seal the wiring space entering the arm part, and the sealing ring is utilized to seal the channel entering the waterproof cavity; the motor oil seal is used for sealing a channel entering the driving motor, the motor sealing ring is used for sealing a channel entering the inner space of the base, the base is sealed through the bottom cover, and the waterproof cavity is subjected to waterproof treatment, so that the whole stage lamp is waterproof.

The invention provides an LED light source module and a lamp, the LED light source module comprises a light source plate, a waterproof isolation layer and an integrated lens, the light source plate is provided with an LED chip serving as a light source, the integrated lens comprises a plate body and a lens body arranged on the plate body, the lens body comprises a light incoming surface and a light outgoing surface which are oppositely arranged, and the waterproof isolation layer is arranged on the light incoming surface. The light incident face is an arc face protruding towards the LED chips from the plate body, and the space between the light source plate and the integrated lens is filled with a waterproof isolation layer. According to the LED light source module provided by the invention, the glue above each LED chip is in contact with the cambered incident surface of the lens body, and the convex incident surface extrudes and exhausts air at the top of the LED chip during contact, so that the lighting effect is improved. The waterproof isolation layer formed by glue pouring is covered by the integrated lens, the glue surface is not directly exposed, and the defect that silica gel adsorbs dust is avoided. The light source, the glue and the lens are integrally bonded, and the effects of improving the optical efficiency and enhancing the waterproof performance are achieved.

The utility model relates to the technical field of rail transit, in particular to a waterproof treatment structure at a point switch pit, which comprises a waterproof concrete structure, and the point switch pit is arranged in the waterproof concrete structure. A polymer cement waterproof mortar layer and a waterproof roll layer are sequentially arranged between the bottom of the waterproof concrete structure and the structure bottom plate from bottom to top, and a cement-based permeable crystallization type waterproof coating layer is coated on the pit wall of the point switch pit. The waterproof structure has the advantages of being capable of effectively achieving waterproof at the position of the point switch pit, providing an excellent waterproof effect, effectively ensuring the use performance and the service life of the point switch, and being convenient to construct and suitable for popularization.

This utility model discloses a waterproof shell for an industrial tablet PC, including a shell, a bottom shell, and a front panel. The front panel has mounting holes for mounting a display screen. An annular groove is formed on the mounting surface of the bottom shell. An annular skirt is fixedly mounted on the mounting surface of the front panel. A sealing ring is fixedly mounted on the mounting surface of the front panel and is fitted onto the annular skirt. A heat-conducting component is provided on the shell, and a suspension support component is provided at the rear end of the shell. This utility model effectively prevents moisture intrusion by guiding the annular skirt with the annular groove and sealing it tightly with the sealing ring fitted onto the annular skirt, thus solving the problem of unstable waterproof performance of existing shells.

The utility model provides a circuit board structure with a multifunctional cover film, comprising a substrate layer, a conductive layer bonded and fixed on the upper surface of the substrate layer, and a functional cover film layer, the lower surface of the substrate layer is provided with a snakelike micro-channel network, the channel of the snakelike micro-channel network is filled with a perfluoropolyether cooling liquid layer, and the perfluoropolyether cooling liquid layer is filled with a perfluoropolyether cooling liquid layer. An opening of the snakelike micro-channel network is covered with a porous ceramic sealing layer; the functional covering film layer comprises an adhesion layer, a composite insulation layer, a gradient phase change heat conduction layer and a self-repairing protection layer, the adhesion layer is attached to the lower surface of the snakelike micro-channel network, and the composite insulation layer, the gradient phase change heat conduction layer and the self-repairing protection layer sequentially cover the upper surface of the conductive layer from bottom to top. On the basis that the integrated design of heat dissipation, water resistance, corrosion resistance and electromagnetic shielding functions of the circuit board is achieved, the overall thickness is reduced, and good bending resistance is achieved.

The utility model discloses a waterproof rotating structure, which comprises a rotating part I and a rotating part II which are rotationally connected with each other, and an annular soft silica gel ring arranged at the rotating connection part of the rotating part I and the rotating part II, the annular soft silica gel ring is in extrusion contact with the rotating part I and the rotating part II to realize sealing; the annular soft silica gel ring comprises a fixed side and a rotating side; the fixed side is used for being tightened and fixed to the first rotating component or the second rotating component. The rotating side is provided with a plurality of annular rib positions distributed at intervals, and the annular rib positions make linear contact with the rotating face of the first rotating component or the second rotating component. According to the utility model, the annular soft silica gel ring is arranged at the rotating connection part of the rotating part I and the rotating part II, the fixed side and the rotating side of the annular soft silica gel ring are respectively extruded and sealed, the rotating side of the annular soft silica gel ring is provided with the plurality of annular rib positions which are distributed at intervals, and the annular rib positions are in linear contact with the rotating parts; and the friction force in the rotating process can be obviously reduced.

The present invention provides a receiver device, which relates to the technical field of communication equipment. The receiver device includes: an upper cover, a shell and a receiver body; the shell includes a first accommodating space, and the first accommodating space includes a side wall and a bottom wall; the receiver body is arranged in the first accommodating space; the upper cover is snapped into the first accommodating space, and is arranged at a relative position away from the bottom wall; the upper cover is provided with at least one first sound-permeable hole; the receiver body is respectively abutted against the side wall and the bottom wall to form a first cavity; the receiver body and the upper cover are connected to the side wall through a sealant. The present invention adds an upper cover and a shell on the basis of the receiver body, thereby ensuring that the electroacoustic performance of the receiver meets the requirements, realizing its waterproof characteristics and improving the assembly yield of the receiver; the present invention also adds a sealant to further improve its sealing performance, thereby improving the quality of the receiver device.

The present invention relates to the technical field of computer peripheral auxiliary equipment, and more specifically, to a wireless waterproof keyboard capable of displaying power, comprising a barrier protection adjustment cover, an air drying fan, a support base, a keyboard body, a first motor and a fixed limit plate, wherein the keyboard body is fixedly arranged at the upper end of the support base by bolts, the air drying fan is symmetrically fixedly installed at the end of the support base, the fixed limit plate is symmetrically fixedly installed at the outer end of the support base, the bottom of the barrier protection adjustment cover is rotatably installed between the fixed limit plates, the first motor is fixedly installed on the fixed limit plate, and the driving end of the first motor is fixedly connected to the bottom end of the barrier protection adjustment cover. The power display screen of the present invention can directly display the percentage or specific value of the battery power, and the power display screen can provide more accurate power information, so that the user can clearly know the amount of remaining power, thereby facilitating the use of the keyboard body and timely charging.

The application relates to an ultrasonic sensor applied to the technical field of intelligent driving, which comprises a probe core, an outer rubber ring, an inner rubber ring, a small support, a shell, a printed circuit board assembly (PCBA) and an upper cover. The probe core is fixed by the friction force generated when the outer rubber ring clamps the outer side of the probe core. The probe core is fixed by the friction force generated when the inner rubber ring clamps the outer side of the probe core. The small support and the shell are fixed by mechanical buckling. The top annular structure of the inner rubber ring is located in the gap between the small support and the shell, and the top annular structure of the inner rubber ring interferes with the small support and the shell. The bottom surface of the inner rubber ring interferes with the shell in the axial direction of the probe core, and the bottom surface of the inner rubber ring and the shell are fixed by clamping the probe core in the axial direction under the pressure of the buckling of the small support and the shell. The application can realize complete waterproofness.

The invention provides electronic equipment. The electronic equipment comprises a bearing shell, a pressure-sensitive module, a module waterproof bracket, a sealing glue layer and a pressure-sensitive key, the bearing shell comprises a first surface, a second surface and a side face, the first surface and the second surface are oppositely arranged, the side face is connected with the first surface and the second surface, the first surface is provided with a containing groove extending towards the second surface, the side face is provided with an installation hole, and the installation hole is communicated with the containing groove. The pressure sensing module is arranged in the accommodating groove; the module waterproof bracket covers the opening of the accommodating groove; the sealing glue layer is arranged in a gap between the module waterproof bracket and the accommodating groove; the pressure-sensitive key is inserted into the mounting hole and abuts against the pressure-sensitive module. According to the electronic equipment provided by the embodiment of the invention, the structure of the module waterproof bracket is designed, and the sealing glue layer is combined, so that the waterproof performance of the pressure-sensitive module can be realized, and the electronic equipment has the characteristics of simple structure and easiness in assembly.

This invention discloses an easy-to-assemble waterproof modular house floor structure and its usage method, including a floor body, splicing units, and edge sealing units. The floor body has a circular groove at its lower end. The splicing unit includes a board groove, a connecting plate, a cylindrical groove, a rubber cylinder, a ventilation channel, and a column groove. Board grooves are formed around the lower end of the floor body. One end of the connecting plate is engaged in the board groove, and locking strips are installed on the upper sides of both ends of the connecting plate, engaging in the locking slots within the board grooves. Frame-shaped cylindrical grooves are formed around the center of the floor body, and frame-shaped rubber cylinders are installed within these grooves. This easy-to-assemble waterproof modular house floor structure and its usage method allow for splicing with wet concrete without excessive force. The floor joints utilize both air inflation and rubber strip engagement methods, achieving double waterproofing, resulting in stronger waterproofing performance, preventing indoor dampness, and making it more convenient to use.

The utility model discloses a law enforcement instrument magnetic induction switch, belonging to the technical field of law enforcement instruments, the law enforcement instrument comprises a shell, a circuit board is installed inside the shell, the magnetic induction switch comprises a Hall sensor and a driving switch used for triggering the Hall sensor, the Hall sensor is installed on the circuit board, the driving switch is installed outside the shell, and the Hall sensor is installed on the circuit board. The driving switch is in sliding connection with the shell and comprises a magnet. The magnetic induction switch controls the on-off of the law enforcement instrument by controlling the distance between the Hall sensor and the magnet, and is a non-contact switch, and the service life of the switch adopting the mode is several times longer than that of a traditional push type switch; and the driving switch does not need to be in contact with a circuit board in the shell, so that a hole is not required to be formed in the position, where the driving switch is mounted, of the shell, the waterproof effect can be realized, the law enforcement instrument can be normally used in rainy and snowy days, and the requirements of public security officers on the law enforcement instrument when the police officers are on duty in rainy and snowy days are met.

The invention discloses a double-transmission gear device and method capable of being automatically engaged and disengaged and a reducing and sizing unit, and belongs to the technical field of reducing and sizing units. The device comprises a control unit and two groups of transmission units which are arranged in parallel, the transmission unit comprises an input system assembly, an output system assembly, an engagement and disengagement assembly, a pull rod and a driving piece. The meshing and disengaging assembly comprises a first fixing assembly, a second fixing assembly and a moving assembly. One end of the pull rod is connected with the driving piece, and the other end sequentially penetrates through the first fixing assembly, the output system assembly and the middle of the second fixing assembly and is fixedly connected with the moving assembly; the moving assembly is in relative sliding connection with the second fixing assembly; and the control unit is used for at least controlling the pull rod in one group of transmission units to do reciprocating motion in the axial direction according to a control instruction output by the man-machine interaction module so as to complete engagement or disengagement of the moving assembly and the working roller. According to the invention, gear double-row transmission can be met, and meanwhile, quick replacement with a corresponding working roller is realized.

The waterproof sealing structure comprises a support, the support is provided with a rotating shaft portion, the end portion of the rotating shaft portion is fixedly connected with a socket assembly, the rotating shaft portion is rotatably connected with a wire spool assembly, the socket assembly is provided with a first annular protruding portion, and the first annular protruding portion is provided with a second annular protruding portion. A second annular convex part is arranged on the side, corresponding to the socket assembly, of the wire spool assembly, a first annular sealing piece is arranged between the first annular convex part and the second annular convex part and comprises a first side part and a second side part, the outer wall of the first side part is attached to the inner wall of the first annular convex part in a sealed mode, and the outer wall of the second side part is attached to the inner wall of the second annular convex part in a sealed mode. The second side part is in contact fit with the second annular convex part, and a buffer gap is formed between the first side part and the second side part. The utility model has the following advantages and effects: the scheme utilizes a new mechanical structure, and has the effects of good waterproof sealing performance, few required sealing rings and convenience in installation.

The utility model relates to the technical field of electrical switches, in particular to a piezoelectric switch, which comprises a switch shell, an outer fixing ring is arranged at the top end of the switch shell, the shell is in a through design, and an outer thread is arranged at the outer circle end of the switch shell; the fastening nut is in threaded connection with the external thread; the light-transmitting ring is arranged on the inner side of the switch shell, and a piezoelectric ceramic piece is arranged in the light-transmitting ring; the electrical control board is arranged in the switch shell, and a connecting lead is arranged on the electrical control board; according to the utility model, the bottom of the switch shell is filled with the waterproof resin in a sealing manner, the resin wraps the connecting lead, and the switch shell is sleeved with the O-shaped ring, so that the piezoelectric switch is waterproof, and the connecting lead is also wrapped by the resin, so that the lead is not easy to pull, and the service life of the piezoelectric switch is prolonged. Therefore, the connection point between the lead and the electrical control board is not easy to fall off, and normal work is not affected even if water exists on the outer surface of the piezoelectric ceramic piece while the piezoelectric switch is waterproof.

The utility model relates to the technical field of medical auxiliary tools, in particular to a medical fixing adhesive tape for a dynamic glucometer. The medical fixing adhesive tape for the dynamic glucometer comprises a protective layer, an adhesive layer, a release film and a fixing bracket, the protective layer is rhombic, and a plurality of micropores are formed in the protective layer; the adhesive layer is laid on one side of the protective layer, and the release film is attached to one side, far away from the protective layer, of the adhesive layer; the fixing support comprises a plurality of bottom fixing strips and a plurality of side fixing strips. The multiple bottom fixing strips are arranged in a crossed mode, the two ends of each bottom fixing strip are connected with side fixing strips, the ends, away from the bottom fixing strips, of the side fixing strips are fixed to the edges of the mounting holes, and the side fixing strips extend in the opening direction of the mounting holes so that the bottom fixing strips can extend out of the side, away from the pasting layer, of the protection layer. A mounting cavity is formed between the side fixing strip and the bottom fixing strip, and the mounting cavity is used for mounting the dynamic glucometer. The medical fixing adhesive tape for the dynamic glucometer is good in stability and air permeability.

The utility model provides an airborne multifunctional partial discharge detection device. The airborne multifunctional partial discharge detection device comprises an ultrasonic detection unit; the three-axis holder is connected with the unmanned aerial vehicle; the first shell is connected with the three-axis holder, the electromagnetic wave detection unit is arranged in the first shell and connected with the first antenna, and the ultrasonic detection unit is arranged on the first side wall of the first shell; the plurality of interfaces are arranged on the second side wall of the first shell, and the sealing unit surrounds the plurality of interfaces and is attached to the second side wall. The device has the advantages of being good in applicability and the like.

The present invention provides a compact steel plate continuous quenching machine, belonging to the technical field of quenching machines; the compact steel plate continuous quenching machine comprises: a load-bearing steel frame, a supporting transmission assembly, a water supply mechanism, a first water supply pipeline assembly, a first nozzle assembly, a supporting steel frame, a lifting mechanism, a mobile steel frame, a clamping transmission assembly, a second water supply pipeline assembly, a water jacket, a third water supply pipeline assembly and a second nozzle assembly; by moving the third water supply pipeline assembly in the water jacket to adapt to the height of the mobile steel frame, compared with using a metal hose to connect the second nozzle assembly with the second water supply pipeline assembly, the space occupied by the bending of the metal hose can be saved, thereby making the product more compact, reducing the space occupied by the product, and thus improving the use experience of the product.

The invention belongs to the technical field of UV film coating, and discloses an anti-counterfeit label UV film coating process which comprises the following operation steps: S1, early-stage preparation: a, surface preparation; b, preparing materials; and c, replacing a UV curing machine structure. The performance of the composite film in the aspects of tear resistance and wear resistance is far better than that of a traditional label material, and the composite film can be kept intact in a severe environment; besides, the label can resist erosion of various chemical substances due to the chemical stability of PVDF, so that the label still keeps excellent performance in a humid environment or an environment in contact with chemicals, and the application range of the label is expanded; in the aspect of functionality, the UV curing film coating agent and the composite film are combined, so that the label not only has a basic anti-counterfeiting function, but also can realize multiple functions of water resistance, oil resistance, ultraviolet resistance and the like, and meanwhile, the production efficiency is optimized and the production time is shortened due to the rapid reaction characteristic of the UV curing technology; the combination process of the nanofiber membrane prepared through electrospinning and the UV coating film is more efficient and smoother, and the use effect is good.

The utility model relates to a plastic support with an internal flow channel, which comprises a plastic bottom plate and flow channels arranged in the plastic bottom plate, and the flow channels comprise a liquid inlet channel, a liquid outlet channel, a first flow channel and a second flow channel, the tail end of the liquid inlet channel, the starting end of the first flow channel and the starting end of the second flow channel are communicated through a first buffering cavity, the tail end of the first flow channel, the tail end of the second flow channel and the starting end of the liquid outlet channel are communicated through a second buffering cavity, and flow control pieces are arranged in the first buffering cavity and the second buffering cavity. The flow control piece can change the flowing state of liquid in the flow channel. The flow channel can be filled with heating liquid or cooling liquid to achieve the heating or cooling function of the plastic bottom plate, the support has the flow control capacity due to the arrangement of the flow control piece, the flowing state, including the flowing direction, flow distribution and the like, of liquid in the flow channel can be accurately controlled by adjusting the position and the shape of the flow control piece, and therefore the flow direction of the plastic bottom plate can be accurately controlled. And the bracket can adapt to different working environments and operation requirements.

A waterproof and breathable housing and relay, comprising a housing, characterized in that: a channel, a first hole, a second hole and a third hole are provided on the housing; the channel extends along a first direction of the housing, one end of which is closed, and the inner wall of the channel is provided with a slope inclined toward a second direction; the first hole is opened at the other end of the channel and communicates with the outside world; the second hole is opened at the slope and communicates with the inside of the housing; the third hole is close to the closed end of the channel and communicates with the outside world. The housing and relay of the present invention do not limit the installation direction, can discharge the gas generated in the housing, and can achieve waterproofing at multiple angles, extend the electrical service life, and have a simple structure.

The utility model provides a rotatable arm structure of an amphibious unmanned aerial vehicle, and belongs to the technical field of unmanned aerial vehicles. The problems that most of current underwater unmanned aerial vehicles are folding vehicle arms, the urgent to-be-optimized points are that rotating shafts at the connecting points of the vehicle arms and a vehicle body need to rotate, a certain gap exists, complete sealing cannot be achieved by replacing materials and the like, and the water inflow risk is large are solved. A rotatable amphibious unmanned aerial vehicle arm structure comprises an arm rod, a duct body and a sealing ring, the arm rod is fixedly installed on the duct body, a movable ring and a spring seat are fixedly arranged on the arm rod, a spring is arranged on the spring seat, a static ring is installed on the spring, the static ring is pressed on the movable ring by the spring, and the sealing ring is arranged on the duct body. And the sealing rings are arranged between the movable ring and the arm lever and between the static ring and the spring seat. The advantages that the arms are resistant to water immersion, and the waterproofness and precision are enhanced are achieved.

The utility model discloses a pivot waterproof structure for car cover, including first rotating board, second rotating board and pivot hinge, first rotating board and second rotating board are connected through pivot hinge, pivot hinge is equipped with two rotating shafts, two rotating shafts are connected in first rotating board and second rotating board respectively, one side of first rotating board and second rotating board is connected with top water baffle and side water baffle, two top water baffles are equipped with top water baffle boss, two side water baffles extrude each other, form the drainage water channel, the utility model discloses through the improvement to pivot structure makes it have better waterproof effect, can realize the whole process waterproof of pivot rotation process.

The present invention provides a docking type warehouse door used in a parking inspection warehouse for a maglev train, comprising an upper main door, a lower auxiliary door and a rolling door control cabinet, a first chassis is arranged on the top of the upper main door, a second chassis is arranged on the bottom of the lower auxiliary door, a first driving motor is arranged on one side of the first chassis, a first reel support shaft is horizontally installed at the output end of the first driving motor, the first reel support shaft extends into the first chassis and is rotatably connected to the inner side wall of the first chassis, a first sealing brush is arranged at the bottom edge of the upper main door, a second torsion spring is sleeved on the side wall of the second torsion spring support shaft, and torsion spring fixings are fixedly installed on both sides of the second torsion spring, and the rolling door control cabinet is electrically connected to the first driving motor and the second driving motor respectively. The present invention enables the warehouse door to be more adaptable to the parking inspection requirements of maglev trains, and its opening method, components and corresponding structural nodes can effectively meet the functional requirements of the maglev train vehicle depot building.