20results about How to "Achieve waterproof" patented technology

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.

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 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 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 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.

This utility model belongs to the field of power supply housing technology, and particularly relates to a user-friendly power supply housing, including a housing, a bottom cover, end covers, and an end cover fixing mechanism. The housing has a first mounting groove with its opening facing downward, second mounting grooves at both ends of the housing, and connecting holes connecting the first and second mounting grooves. The bottom cover is placed on the first mounting groove, and the two end covers are directly hinged to both ends of the housing and can be flipped relative to the housing to fit onto the corresponding second mounting groove. When not in use, the end covers are restricted from flipping relative to the housing by fixing protrusions in fixing slots to keep them fitted onto the second mounting grooves for waterproofing. When in use, a force is applied to the end covers to disengage the fixing protrusions from the fixing slots, allowing the end covers to flip open. After use, they can be flipped closed directly without the need for screws or disassembly of the end covers. The end covers remain connected to the housing and do not require reinstallation, making installation and use convenient.

The utility model provides a hand -held single roll photovoltaic panel cleaning machine, contain support beam mechanism, cleaning roller mechanism, transmission mechanism, drive mechanism, telescopic link mechanism and spray mechanism. Support beam mechanism contains support beam, brush support board, chain guard. Cleaning roller mechanism contains brush roller. Transmission mechanism contains main transmission shaft and gear transmission. Drive mechanism contains brushless motor and motor cover. Spray mechanism contains spray frame, split fan-shaped nozzle and Y type reducing four branch pipes. This kind of hand -held single roll cleaning machine adopts dry cleaning and washing dual -purpose design, and realizes photovoltaic panel cleaning through brush rotation driven by brushless motor, and is equipped with self -adaptation regulation telescopic link to adjust angle, guarantees the efficiency of higher when cleaning, the range is more far, and adopts modular design, and the replacement of spare parts is more time -saving and labour -saving.

This utility model discloses a structural panel curtain wall system, including a supporting keel, structural panels, and a decorative cover. The supporting keel is provided with a wing plate; the wing plate is provided with a baffle; the structural panel is connected to the wing plate, and a waterproof treatment area is formed between the structural panel and the baffle; the waterproof treatment area is used to fill and seal the structure; the decorative cover is placed on the supporting keel and covers the waterproof treatment area. This utility model's structural panel curtain wall system can meet both the design requirements for waterproofing curtain wall gaps and the design requirements for aesthetics. This utility model's structural panel curtain wall system reduces construction difficulty and helps to improve the installation efficiency of structural panel curtain wall systems.

The utility model discloses a waterproof structure of multi-strand wire harness, include: shell, with the detachable connection of shell inner, cable, soft silica gel piece no.

The application discloses a photovoltaic shutter. The technical scheme adopted by the application is as follows: a photovoltaic shutter comprises a curtain wall frame, a plurality of groups of shutter assemblies are arranged in the curtain wall frame in a vertical direction, each group of shutter assemblies is rotationally connected with the curtain wall frame so that the angle of the shutter assembly can be adjusted, a photovoltaic panel is arranged on the shutter assembly, a photosensitive assembly is arranged on the shutter assembly, the photosensitive assembly is used for sensing the intensity of external light and converting the light signal into an electric signal, and then the angle of the shutter assembly is controlled and adjusted so that the sunlight is perpendicularly irradiated on the photovoltaic panel; the rotation angle of the photovoltaic panel can be self-adaptively adjusted according to the sunlight irradiation angle through the arrangement of the photosensitive assembly, the position of the shutter is always the best position for the photovoltaic panel to receive the sunlight, and then the conversion efficiency of the electric energy of the photovoltaic panel is ensured.

The application discloses a portable moped battery structure and a use method thereof, and belongs to the technical field of batteries, wherein the inner side of a front cover and a rear cover is provided with a bottom shell bone position groove, the inner sides of the front cover are respectively provided with a support B and a support A, the support B and the support A are provided with a battery cell, the outer ends of the support B and the support A are provided with a limiting support rod, the outer sides of the support B and the support A are symmetrically provided with the bottom shell bone position groove, the inner circle of the front cover and the rear cover is provided with a positioning mutual sleeve, the positioning mutual sleeve in the middle end of the front cover and the rear cover is provided with a pin, the structure strength of the two side surfaces of the battery is enhanced, the battery PACK part is prevented from being squeezed when the battery is subjected to a squeezing test, and thus the safety and reliability of the battery are ensured, the support A and the support B are positioned by means of a screw column mutual sleeve positioning structure, there are eight locking screws in the whole circle, the drop resistance of the battery pack is enhanced, the PACK structure reliability of the battery is enhanced, the battery is convenient, fast and efficient to install, the bottom of the battery cell support A and the bottom of the battery cell support B are provided with a U-shaped positioning structure which is inserted into the bottom shell bone position groove and is provided with a mutual embedding structure.

The utility model provides an oxygenation controller with good waterproofness, which relates to the technical field of oxygenation controllers, and comprises a controller shell, a controller body is arranged in the controller shell, a connection positioning structure is arranged on the controller shell, a sealing plug-in cover plate structure is arranged at the joint of the connection positioning structure, and a waterproof cover plate is arranged on the sealing plug-in cover plate structure. The sealing plug-in cover plate structure is plugged in the connection positioning structure to achieve positioning installation and multiple sealing protection functions, waterproof heat dissipation structures are arranged on the two side walls of the controller shell, the connection positioning structure is arranged on the controller shell, a plug-in sealing groove is matched with a sealing gasket, and the waterproof heat dissipation structures are arranged on the two side walls of the controller shell. According to the sealing plug-in cover plate structure, a fitting sealing foundation is provided for the sealing plug-in block in the sealing plug-in cover plate structure, when the sealing plug-in block is inserted into the plug-in sealing groove and is tightly fitted with the sealing gasket, a first effective sealing defense line is formed, and external water can be greatly prevented from permeating from the front face connecting position.

This utility model discloses a waterproof aluminum panel curtain wall, including a curtain wall body. Reverse C-shaped tiles are vertically installed on the outer side of the curtain wall body, and forward C-shaped tiles are vertically installed on the outer side of the curtain wall body away from the reverse C-shaped tiles. A water-retaining eave is horizontally installed at the bottom of the curtain wall body, and multiple O-ring elastic clips are installed on the outer side of the curtain wall body. This waterproof aluminum panel curtain wall, with its reverse and forward C-shaped tiles, allows for waterproof connection between multiple curtain wall bodies when they are horizontally spliced ​​together. The forward C-shaped tiles on one curtain wall body are inserted into the reverse C-shaped tiles on another curtain wall body.

This invention relates to the field of rail transit signaling equipment technology, specifically disclosing an LED signal controller and its usage method. The LED signal controller of this invention includes a base and at least two light boxes. All the light boxes are stacked and connected sequentially from top to bottom, with the center of all the light boxes aligned on a central line. The connection between each pair of adjacent light boxes is a square sleeve structure. A rubber ring is interference-fitted between the upper and lower light box connection parts. Spring washers are disposed on the top of the base. By using a square sleeve structure with interference-fitted rubber rings between adjacent light boxes, the center of all the light boxes is aligned on a central line, completely solving the problem of easy turning with circular sleeves, while simultaneously achieving waterproofing, dustproofing, and vibration resistance. The spring washers between the base and the light boxes effectively absorb vibration, preventing bolt loosening, and the self-locking latch ensures a tight lock on the door cover, further improving overall sealing and vibration resistance.

The utility model discloses a parking stall lock and waterproof structure thereof, waterproof structure includes casing, main shaft, bearing and sealing washer, bearing installs in the casing, main shaft is inserted in the bearing, and sealing washer is sleeved in the end of main shaft and seals the connection main shaft and casing, and the sealed space is enclosed between bearing, main shaft, sealing washer and casing, and is equipped with rubber sealing grease in sealed space. The waterproof structure of the utility model can better realize the waterproof of the inside of parking stall lock through the cooperation sealing of sealing washer and rubber sealing grease, and at the same time, the sealed space enclosed between bearing, main shaft, sealing washer and casing is filled with rubber sealing grease, the rubber sealing grease can keep paste or semi-fluid state for a long time, the friction coefficient is extremely low, can improve the waterproof performance of the inside of parking stall lock, and can also provide lubricating effect for bearing, make the rotation of main shaft more smooth, and be more beneficial to the opening or closing of parking stall lock.

The application discloses a kind of complex underground pipeline protection construction methods, including building channel steel, pouring ground, build replacement support device and it is handled to realize waterproofness.Therein, first build channel steel is used to support pipeline, make preparation for building replacement support device, carry out first pouring to guarantee the waterproofness of building to the pipeline below and surrounding area.When replacement support device is built and passes acceptance, remove channel steel, and carry out secondary pouring, realize the waterproofness below pipeline.When building foundation raft and pouring, cut off the vertical rod below replacement support device, carry out filling light construction, realize the waterproofness of building.The application builds channel steel and replacement support device, not only protects the pipeline underground, but also lets construction proceed normally, avoids waste of manpower and financial resources.Through pouring treatment, realize the integrity of building waterproof, guarantee the safety of building.