15results about How to "Improve waterproof function" patented technology

This invention relates to the field of building waterproof coating technology, and discloses a high-elasticity, high-adhesion spray waterproof coating, which is composed of component A and component B in a mass ratio of 10:1 to 12:1. Component A includes the following components and their mass parts: 40 to 55 parts of polyurethane prepolymer, 12 to 22 parts of cement-based composite filler, 1.0 to 2.0 parts of fluorosilicone modified halloysite, 0.6 to 1.4 parts of γ-(2,3-epoxypropoxy)propyltrimethoxysilane, 0.4 to 1.2 parts of polycarboxylate cement modifier, 0.2 to 0.7 parts of antioxidant 1010, and 0.1 to 0.5 parts of defoamer. This highly elastic and highly adhesive sprayable waterproof coating and its preparation method introduce γ-(2,3-epoxypropoxy)propyltrimethoxysilane into the coating system. Its epoxy groups can react chemically with the hydroxyl groups abundant on the surface of the cement-based substrate to form stable chemical bonds. At the same time, the cement-based composite filler in component A is homologous to the cement-based substrate material, which can improve the compatibility between the coating and the substrate and effectively solve the problem of weak adhesion of organic waterproof coatings.

The utility model discloses a zinc alloy gate that can prevent water, including door frame body, the front side of door frame body is provided with hinge body, and the back of hinge body is installed with zinc alloy door board, and the back of zinc alloy door board is provided with zinc alloy door frame, limit block is set up in the outside of zinc alloy door frame, and the inside of zinc alloy door frame is installed with reinforcing structure, the outside of limit block is provided with sealing strip, and the inside of sealing strip is provided with the limit hole, and the front side of sealing strip is provided with rubber pad, baffle is set up in the outside of sealing strip, and the outside of baffle is installed with positioning frame. The zinc alloy gate that can prevent water, through the sealing connection between zinc alloy gate and door frame, can effectively improve the waterproof function of zinc alloy gate, at the same time, the inside of zinc alloy gate is additionally installed with support, effectively improves the firmness of zinc alloy gate inside, improves the service life of zinc alloy gate.

The utility model provides a kind of pipe well, including two wallboards of mutual lap to enclose pipeline, two groups of support frame and the protective layer being arranged on the outer surface of wallboard by the fixed part connecting wall and wallboard, can improve the structural stability of pipe well, construction efficiency, sound insulation and waterproof thermal insulation.

The utility model belongs to the technical field of automobile air conditioner drain pipe, disclose a kind of drain pipe device and car, drain pipe device is connected with vehicle body sheet metal, for discharging automobile air conditioner condensate, drain pipe device includes drainage structure, plugging piece, support ring, connecting structure and sealing element.When the depth of water outside is deeper, when over the containing cavity, plugging piece is acted on by the buoyancy of water and can automatically float, block the outlet of first drain pipe, water will not continue to enter the first drain pipe inside through containing cavity, to reach the effect of sealing;When water level outside drops, plugging piece is automatically lowered by gravity, falls on support ring, and the condensate produced when air conditioner is opened refrigeration can smoothly enter second drain pipe and discharge outside the car through opening. Connecting piece and sealing element are fixed on vehicle body sheet metal by bolt, the sealing effect of sealing element plays the function of sealing waterproof, completely separates inside the car and outside the car, further improves the waterproof function of vehicle when wading.

The present application relates to the technical field of textiles, and particularly relates to a production method of waterproof nylon yarn. The production method of waterproof nylon yarn comprises the following steps: sequentially performing plasma treatment and silane coupling agent modification on nylon filaments to obtain modified nylon filaments; mixing the modified nylon filaments and polyester elastic filaments, and sequentially performing combining, twisting and network processing to obtain composite filaments; soaking the composite filaments in a fluorine-free composite waterproof finishing liquid to perform finishing to obtain waterproof filaments; and sequentially performing first solidification and second solidification on the waterproof filaments to obtain waterproof nylon yarn after post-processing. The present application constructs a complete process system comprising fiber surface synergistic modification, yarn structure optimization, multifunctional fluorine-free composite finishing and gradient solidification crosslinking, and finally obtains high-quality waterproof nylon yarn which is environmentally friendly, has excellent waterproof performance, excellent mechanical properties and soft hand feeling.

The utility model discloses a kind of laying isolation structures and underground cable PE conduit thereof, including two groups of alignment clamping plate for supporting, two groups of alignment clamping plate inside equidistantly provided with protective tube sleeve, and located in the inner end surface of each protective tube sleeve is through to the alignment clamping plate outside opening has location guide slot, the inner end surface of two groups of alignment clamping plate is fixedly provided with concrete casing.The utility model is prefabricated assembly in protective housing, concrete casing, alignment clamping plate and protective tube sleeve, can effectively improve the convenience when subsequent cable PE conduit is laid, while concrete casing can carry out all-round protection to the outside of protective tube sleeve, and the combination of protective housing and alignment clamping plate, can further improve the waterproof function outside equipment, double protection and waterproof structure, can effectively improve the protection and waterproof function of cable PE conduit, and then improve the service life of subsequent cable PE conduit.

The application relates to a novel cable accessory connecting structure, which belongs to the technical field of cable systems and is used for connecting between a cable metal sheath and a cable accessory metal shell. A coaxial sleeve is arranged on the cable metal sheath, and the coaxial sleeve comprises an electrical connecting part and a waterproof part. The electrical connecting part is used for providing an electrical connecting channel between the cable metal sheath and the cable accessory metal shell, and the waterproof part is used for guaranteeing the waterproof performance between the cable outer sheath and the cable accessory metal shell. The electrical connecting part comprises a conductive layer and a spiral supporting belt arranged in the conductive layer. The electrical connecting part is spirally wound on the exposed cable metal sheath. Under the action of the spiral supporting belt pressure, the conductive layer is kept in abutting contact with the outer wall of the cable metal sheath and the inner wall of the cable accessory metal shell. The application has the effect of reducing the influence of external factors on the electrical continuity and waterproof performance between the cable metal sheath and the cable accessory metal shell.

The utility model discloses a door plank with hidden hinges. The door plank comprises a door plank profile, a hinge and a hinge, the connecting structures are connected to the two ends of the door plate sectional material correspondingly, and the connecting structures are connected to the inner side of the door plate sectional material in a clamped mode and used for hiding the connecting structures; and the rotating shafts are rotatably inserted between the adjacent connecting structures. The arrangement mode that the door plate profiles and the connecting structures are matched is utilized, the connecting structures are clamped between the shielding assemblies and the outwards-protruding type connectors, and therefore the connecting structures can be conveniently installed, normal rotation between the two door plate profiles is not affected, meanwhile, the connecting structures at the hinged positions between the door plate profiles can be hidden, and the door plate profiles can be conveniently installed. The sealing performance of the directly-closed position of the door plate sectional materials is conveniently improved, so that the sealing performance of the connecting position between the door plate sectional materials is improved, the waterproof function can be improved, the hinge cannot be seen integrally after the door plate sectional materials are closed, and the door plate sectional materials are more attractive.

This utility model discloses a protective device for LED displays, belonging to the field of LED display technology. It includes a fixed frame, with buffer grooves or connecting grooves provided in the middle of both side plates and at the lower ends of opposite sides. The upper and lower ends of the buffer grooves are respectively fixedly connected to the upper and lower ends of the fixed shaft of a second shock-absorbing component. Fixed plates are fixedly connected to the front and rear sides of the upper surface of the lower end of the fixed frame. The opposite sides of the fixed plates are slidably connected to the front and rear surfaces of the support plate of the support structure. Sliding holes are provided at both ends of the support plate, and these sliding holes are slidably connected to the outer surface of the lower end of the corresponding fixed shaft. An LED display is mounted in the middle of the upper part of the support plate, and the lower end of the support plate is fixedly connected to the upper surface of the lower end of the fixed frame through several first shock-absorbing components. This utility model improves the shock absorption performance of the LED display through the cooperation of the first and second shock-absorbing components, and increases the practicality of the device through the front and rear plates.

The utility model discloses a snail-shaped electric horn breathable waterproof heat dissipation structure. The snail-shaped electric horn breathable waterproof heat dissipation structure comprises a snail-shaped electric horn body. The waterproof ventilation device is assembled on the snail-shaped electric horn body; according to the device, current is transmitted to the coil framework, the breathable film in the coil framework starts to work, air pressure inside and outside the loudspeaker is adjusted through air exchange, and stable tone quality under high altitude or complex road conditions is ensured. The first base plate is tightly connected with the coil framework, the plug seat protects the breathable film from being damaged by external splashed water or silt, and meanwhile the waterproof function is achieved. According to the bolt fixing and sealing device, a thin nut is in threaded connection with a bolt iron core, a first thixotropic sealant and a second thixotropic sealant are combined to fill a thread gap, and it is ensured that the loudspeaker is stably installed under vibration and complex road conditions and is excellent in waterproof performance. According to the design, through the synergistic effect of the breathable film and the sealant, the waterproof performance, the heat dissipation performance and the breathable performance of the loudspeaker are improved, and meanwhile the installation firmness and the anti-seismic performance are enhanced.

This utility model belongs to the field of fire doors, specifically a watertight fire door for energy storage cabinets. It includes a door frame and a watertight fire door body. The watertight fire door body is installed inside the door frame. Multiple external hinges are installed on the front side of the watertight fire door body, and these hinges are fixedly connected to the door frame. The cross-sectional shape of the watertight fire door body is designed as a T-shaped ship cabin structure. The door frame is equipped with a watertight strip adapted to the watertight fire door body. A fireproof strip adapted to the door frame is provided on the outer side of the watertight fire door body. An airtight strip adapted to the door frame is installed on the rear side of the watertight fire door body. This utility model's fire door not only possesses fireproof performance but also significantly improves waterproof sealing performance, effectively preventing rainwater infiltration, greatly reducing the risk of short circuits and corrosion of internal electrical components in the energy storage cabinet, and extending the service life of the energy storage system.

The utility model provides a waterproof microphone, including substrate, with the shell of the cavity that surrounds of substrate is received and the MEMS chip that is received in the cavity, substrate is provided with first cavity, the first sound hole of intercommunication outside and first cavity, and the second sound hole of intercommunication first cavity and the cavity, first sound hole and second sound hole are mutually staggered in the thickness direction of substrate, the side of substrate is close to the shell is provided with waterproof membrane, and waterproof membrane is clamped between MEMS chip and substrate and covers second sound hole, the utility model provides a waterproof microphone through design first cavity and staggered first sound hole and second sound hole, lengthen waterproof membrane and the distance of first sound hole, the pressure that the waterproof membrane received is buffered, improve waterproof function of waterproof membrane.

This utility model discloses a luminous label with a self-destructing disassembly structure, comprising a light-emitting sheet assembly, a strong adhesive film layer, and a detachable circuit assembly. The circuit assembly includes an ultra-thin switch module and a Micro LED flexible light-emitting module. The ultra-thin switch module is bonded between the Micro LED flexible light-emitting module and the strong adhesive film layer, and the Micro LED flexible light-emitting module is bonded between the light-emitting sheet assembly and the strong adhesive film layer. One side of the strong adhesive film layer is used to fix it to the side wall of the bottle container, and the other side of the strong adhesive film layer is bonded to the light-emitting sheet assembly and the ultra-thin switch module. The side of the strong adhesive film layer facing the bottle has a reinforcing double-sided adhesive attached next to the recycling handle. This utility model has the function of easily removing the luminous bottle label from the bottle after use, and has automatic damage and waterproof functions. The ultra-thin, easily recyclable luminous bottle label has excellent flexibility and can adapt to the surface of various curved wine bottles. It is beautiful, environmentally friendly, and highly practical.

This invention provides an adhesive film, an optical component including the adhesive film, and an optical display device including the adhesive film. The adhesive film comprises a cured product of a composition for the adhesive film, the composition comprising a polymer of a mixture of (meth)acrylic monomers. The adhesive film has a peel strength of 400 gf / 25 mm or greater relative to a polyethylene terephthalate film with an antistatic layer, measured after 500 hours of exposure at 60°C and 93% relative humidity on a sample formed by laminating the adhesive film onto the polyethylene terephthalate film with an antistatic layer. The adhesive film has a storage modulus of 10 to 100 kPa at 25°C. According to Formula 1, the adhesive film has a resistivity change rate of 1% or less.

This utility model belongs to the field of automotive parts technology, and particularly relates to a waterproof grounding terminal for a DC-DC converter. It includes a terminal housing, a terminal body, a connector housing, a through-hole connector, and a top cover. The connector housing is mounted on the upper end of the terminal housing. The terminal body has threaded holes for installation. The top cover is mounted at the upper opening of the connector housing. A first waterproof ring is installed at the bottom of the terminal housing, and a second waterproof ring is installed at the upper end of the terminal housing at the connection point between the terminal housing and the connector housing. A third waterproof ring is installed between the upper outer wall of the connector housing and the inner wall of the top cover. The installation of the terminal housing and connector housing in this utility model is achieved through the terminal body and the through-hole connector. This design allows for the design of the terminal housing and connector housing with a highly waterproof structure. Combined with the first, second, and third waterproof rings, the waterproof effect at the connection gap is enhanced, thereby improving the overall waterproof function of the device.