39results about How to "Achieve waterproof effect" patented technology

A waterproof panel lamp high in cost performance comprises a disc provided with a light source cavity and a waterproof connector arranged on one side of the disc, a light-transmitting panel is installed at an opening of the light source cavity through an aluminum frame, the edge of the light-transmitting panel is wrapped with a U-shaped sealing strip, the aluminum frame is of a square frame structure on the whole, and a step face is arranged at the connecting position of the aluminum frame and the disc. An opening in the lower portion of the disc is provided with an outer edge attached to the step face and fixedly connected through a screw, the edge of the step face is provided with a sinking groove, the screw is in threaded connection with the sinking groove, the edge of the lower portion of the aluminum frame horizontally extends to form an inner edge, the U-shaped sealing strip is arranged on the inner edge, and the connecting position of the outer edge and the disc is bent downwards to form a pressing edge. The pressing edge is pressed on the upper part of the U-shaped sealing strip; according to the panel lamp structure, the U-shaped sealing strip wraps the edge of the light-transmitting panel, the light-transmitting panel is installed at the opening of the disc through the aluminum frame, the aluminum frame and the disc are fixed through the screws, the pressing edge is arranged at the edge of the disc and connected to the U-shaped sealing strip in a pressed mode, and the whole connecting structure is simple, low in manufacturing cost and good in waterproof effect.

This invention provides a waterproof microphone and electronic device. The waterproof microphone includes a first substrate, a sound hole disposed on the first substrate, and a waterproof component disposed on the outside of the first substrate. The waterproof component includes a supporting base, a rigid sheet disposed on the supporting base, and a waterproof membrane located on the side of the rigid sheet closer to the first substrate. The supporting base is disposed on the first substrate such that the rigid sheet and the waterproof membrane cover the area where the sound hole is located. This invention improves the waterproof performance of the waterproof microphone.

This utility model relates to the field of waterproof dishwasher lenses, and discloses a waterproof dishwasher lens, including a housing. An imaging lens housing is fixedly connected to the left side of the housing. A lens barrel is fixedly connected to the bottom of the housing, and a fixing ring is fixedly connected to the bottom of the lens barrel. A connecting tube is threadedly connected to the bottom of the lens barrel, and a positioning tube is movably connected to the outer periphery of the connecting tube. A protective shell is slidably connected to the bottom of the connecting tube, and a lens is slidably connected inside the protective shell. A positioning assembly is provided inside the housing, including a fixing frame fixedly connected inside the housing. Positioning plates are slidably connected to both the left and right sides inside the fixing frame. This utility model incorporates a protective shell and positioning tube, giving the device excellent waterproof performance. The positioning assembly also allows for modular installation, reducing the space occupied by internal components.

This utility model discloses a heat exchange water-cooling system integrating a pump cover and a drive structure, including a pump casing and a cover plate. The pump casing has an inner cavity with an upper opening at its upper end. The bottom wall of the pump casing has a water-cooling plate or a positioning plate. The cover plate is installed at the upper opening, and the lower wall of the cover plate has a waterproof layer. The cover plate and the inner cavity form a sealed cavity, and the sealed cavity has a pivotally mounted impeller. A permanent magnet is installed on the horizontal surface of the impeller. The cover plate integrates a magnetic induction coil, which is used to apply an axial driving force to the permanent magnet and drive the impeller to rotate. The pump casing has a water inlet and a water outlet, which are located on the side wall of the pump casing. Through the cooperation of the magnetic induction coil and the permanent magnet, axial drive is effectively achieved, changing the traditional radial drive. This simplifies the pump casing structure, makes mold design more stable during injection molding, improves production efficiency, and reduces production costs.

The invention discloses a waterproof performance test method and system for a watch, and the method comprises the steps: measuring the quality of a to-be-tested watch in a dry state, and obtaining the initial quality; a to-be-tested watch is fixed on a fixing block in the test cavity; a water tank is arranged in the testing cavity, and the fixing block is arranged in the water tank; test parameters are set through the upper computer; the test parameters comprise at least one of a target air pressure value of the cavity, test duration, an action mode for a movable part on the to-be-tested watch, action interval frequency and action times; adjusting the air pressure in the test cavity to a target air pressure value and keeping the air pressure stable; driving the test execution mechanism to act on a movable part of the to-be-tested watch according to a set mode; after the test is finished, taking out the to-be-tested watch, removing external moisture of the to-be-tested watch, and weighing the to-be-tested watch to obtain the final mass; and determining the waterproof performance of the to-be-tested watch according to the initial quality and the final quality of the to-be-tested watch. Therefore, the waterproof performance of the movable part of the to-be-tested watch can be tested.

The utility model provides an integrated continuous anti-corrosion sound-insulation aluminum plate, which relates to the field of aluminum plates, and comprises an aluminum plate main body, the aluminum plate main body comprises a panel, a sound-insulation component and a back plate, the sound-insulation component is arranged between the panel and the back plate, the sound-insulation component comprises a frame, and the inner side of the frame is connected with a reinforcing rod; the upper side and the lower side of the reinforcing rod are connected with aluminum honeycomb core plates, mounting holes are formed in the aluminum honeycomb core plates, sound absorption cotton is arranged in the mounting holes, resin adhesive is arranged on the upper side and the lower side of the aluminum honeycomb core plates, a groove is formed in the back plate, a bottom plate is arranged on the outer side of the groove, and vertical reinforcing ribs and transverse reinforcing ribs are arranged on the inner wall of the bottom plate. The composite board has the effects of corrosion resistance, water resistance, fire resistance and sound insulation, and has the advantages of high mechanical strength and strong structural toughness.

Provided is a vapor-deposited aluminum pigment dispersion which achieves both of specular gloss and water resistance which allows usage as an waterborne paint. The pigment dispersion includes: a vapor-deposited aluminum pigment; an organic phosphoric acid compound having a straight chain alkyl group having eight or more carbon atoms; and a solvent, the vapor-deposited aluminum pigment is coated at least partially with at least a part of the organic phosphoric acid compound, and the vapor-deposited aluminum pigment dispersion has a viscosity of less than one Pa s when the viscosity is measured by Brookfield RVT DV2T HB-type Viscometer (at 20°C, CPA-40Z cone spindle, and 20 rpm).

The utility model provides a card machine, and relates to the technical field of camera shooting equipment, and the card machine comprises a housing, a power supply plugging port, and a waterproof part. A cavity is formed in the shell; the power supply plugging port is arranged in the cavity of the shell and is used for plugging a power line; the waterproof member is arranged at the power supply interface to prevent water from permeating into the housing through the power supply interface. According to the invention, the cavity is formed in the shell, the power supply interface is arranged in the cavity of the shell, and finally the waterproof piece is arranged on the power supply interface, so that water is prevented from permeating into the shell through the power supply interface when a power line is plugged into the power supply interface, and the waterproof effect is achieved through the design of the waterproof structure; therefore, the card machine can effectively resist water when encountering water, and an internal circuit is protected from being damaged, so that the use safety and the service life of the card machine are improved.

The utility model provides a photovoltaic greenhouse agricultural shed support which comprises a support body, the support body comprises a plurality of stand columns and a plurality of girders erected on the stand columns, the girders are arranged side by side, a plurality of purlines are arranged on the surfaces of the upper sides of the girders at intervals, and photovoltaic panels are installed on the purlines; first angle aluminum is arranged on the opposite surfaces of every two adjacent girders, a sunlight plate is connected between the first angle aluminum arranged on the opposite surfaces of every two adjacent girders, second angle aluminum is arranged on the opposite surfaces of every two adjacent stand columns, and a sunlight plate is connected between the two second angle aluminum arranged on the opposite surfaces of every two adjacent stand columns. The sunlight plates are fixed through the angle aluminum to replace traditional plastic cloth, the problems that the plastic cloth is prone to aging and needs to be replaced frequently are solved, the durability of materials is remarkably improved, and the splicing connection mode of the sunlight plates and the angle aluminum avoids the problem that girders and purlines cannot interfere with covering installation films due to the fact that photovoltaic plates need to be installed.

The invention relates to the technical field of JP cabinets, and discloses a JP cabinet of a double-layer hollow fence type structure, which comprises a cabinet body, a placement groove is formed in the cabinet body, an isolation plate is arranged outside the cabinet body, an isolation cavity is formed in the isolation plate, and first heat dissipation holes communicated with the isolation cavity are formed in the isolation plate. The cabinet body is provided with a first fixing hole for a cable to pass through, the first fixing hole is communicated with the isolation cavity and the placement groove, the first fixing hole is provided with a waterproof ring, the waterproof ring sleeves the cable, and the waterproof ring abuts against the inner wall of the first fixing hole. And the waterproof ring abuts against the inner wall of the first fixing hole, so that the waterproof ring can prevent moisture from directly entering the placement groove from the direction of the first fixing hole, the possibility that the moisture directly enters the placement groove from the first fixing hole is reduced, and external moisture is not prone to directly entering the placement groove.

The utility model discloses a waterproof bolt, and relates to the technical field of bolts. The waterproof bolt comprises a bolt body, a water stop ring is fixedly installed at the bottom end of a bolt head bearing ring of the bolt body, an installation groove is formed by the water stop ring and the outer surface of a bolt rod part, a waterproof sealing assembly is arranged in the installation groove in a sleeved mode, and the bolt body is composed of the bolt rod part, the bolt head bearing ring and a bolt hexagonal head. Wherein a bolt head bearing ring is fixedly mounted at the end part of the bolt rod part, and a bolt hexagonal head is fixedly mounted at the top end of the bolt head bearing ring. The basic fastening function is achieved through the bolt head bearing ring, the water stop ring is installed at the bottom end of the bolt head bearing ring of the bolt body, the waterproof sealing assembly is embedded into an installation groove, and tiny gaps between the bolt body and a connecting hole and between the bolt body and the surface of an installation piece are filled through elastic deformation and sealing performance of the waterproof sealing assembly. Liquid permeation is effectively prevented, and therefore the waterproof effect is achieved.

The utility model relates to a ventilation structure of ship cabin belongs to ship technical field, including first ventilation pipe (1) and second ventilation pipe (2), first ventilation pipe (1) one end is equipped with ventilation opening (17), ventilation opening (17) is equipped with the ventilation cover (8) of openable, realizes exhaust and waterproof. First ventilation pipe (1) other end and second ventilation pipe (2) one end are connected through connecting mechanism (4), connecting mechanism (4) includes first flange (6) and second flange (7), through setting a group of flanges between first ventilation pipe (1) and second ventilation pipe (2), form detachable structure, convenient welding, polishing and coating after welding, second ventilation pipe (2) other end is connected with reducing adapter (5), be used for ventilation cross section sudden change problem, reduce ventilation resistance.

The utility model relates to the technical field of ships, in particular to a fluid invasion protection device which solves the technical problems that in the prior art, a buoy of a ventilation cap for a ship oil tank is clamped or a sealing ring is aged, or the waterproof effect is reduced when a ship has an accident or is in severe weather. According to the technical scheme, a water inflow prevention device is additionally arranged below the ventilation cap, the water inflow prevention effect can be achieved when the waterproof effect of the ventilation cap is reduced, and therefore the driving safety of a ship is guaranteed; when the waterproof effect of the ventilation cap is reduced, water can be prevented from entering the ventilation cap, so that the running safety of a ship is ensured, and the ventilation effect of the oil tank is not influenced at all.

The application provides a test device for sensor test, which comprises a cabinet, a spraying device and a clamping device, the spraying device is arranged in the cabinet, the spraying device comprises a first driving assembly and a spraying structure; the output end of the first driving assembly is communicated with one end of the spraying structure, and the input end of the first driving assembly is communicated with the other end of the spraying structure; the first driving assembly is used for driving liquid to circulate through the output end of the first driving assembly, the first driving assembly and the input end of the first driving assembly in sequence; the clamping device is arranged in the cabinet, and the clamping device is used for clamping a sensor; and the spraying structure is used for spraying liquid towards the sensor. The application solves the problem that a conventional sensor waterproof test device cannot test sensors with different waterproof requirements, and has the advantages of simple structure and low manufacturing cost.

This utility model discloses a solder plate fixed waterproof electrical connector, including a plastic shell. A plurality of power pins are arranged in a rectangular array on the upper part of the plastic shell, and a plurality of signal pin holes are arranged on the plastic shell between the power pins. The overall assembly process is simple and clear, requiring few tools, and has a short assembly time, making assembly convenient. The power pins use O-ring sealing to achieve single-end waterproofing, which avoids glue spillage compared to glue sealing. Assembly is complete and the connector can be shipped immediately, saving time waiting for glue to cure and improving production efficiency. Furthermore, the outer casing sealing ring further enhances the sealing effect during use. The connector is compact and practical, achieving waterproofing with less installation space and offering higher overall stability.

The utility model provides an underwater brushless motor. The underwater brushless motor comprises a stator assembly and a rotor assembly. The motor is characterized in that the stator assembly comprises a shell and a stator winding arranged on the inner side of the shell, and sealant wrapping the stator winding in a sealed mode is arranged in the shell; the rotor assembly comprises a rotor cylinder and a magnetic ring arranged on the side wall of the rotor cylinder in a sealed mode. A plurality of integrally formed paddles are arranged on the inner side of the rotor cylinder; at least two ceramic bearings are connected between the stator assembly and the rotor assembly, and the rotor assembly is rotatably connected with the stator assembly through the ceramic bearings. The motor adopts a non-central-spindle and non-support design, and the blades and the rotor cylinder are directly integrally formed, so that water flow and sundries can freely pass through the interior of the motor and are not easily wound by foreign matters such as silk threads, motor faults caused by jamming are reduced, and the system stability is improved.

The utility model discloses a project lamp with stepless angle adjustment, which comprises a lighting part and a supporting part, the lighting part is rotatably connected with the supporting part, the lighting part comprises a lighting shell and a lamp panel arranged in the lighting shell, and the lamp panel is used for providing a light source; wherein a first connecting body is arranged on one side of the lighting shell, a second connecting body is arranged on one side of the supporting part, the connecting piece penetrates into the first connecting body and the second connecting body, tooth-shaped ribs are arranged at the ends, facing each other, of the first connecting body and the second connecting body, and the first connecting body can rotate around the connecting piece. Through the structure of the first connecting body, the second connecting body, the connecting piece and the elastic gasket, stepless angle adjustment is achieved, the overall structure is simple, and production and maintenance cost is low.

This utility model provides a novel charging port sealing mechanism for a cleaning machine, including a front cover, a charging terminal, and a charging cover. The charging terminal includes a built-in charging terminal. The front cover has a charging port that matches the charging terminal, and also has a drain outlet with an internal drainage channel. The charging cover is equipped with a charging port seal and a drain outlet seal. The charging port seal is sealed to the charging terminal via a charging terminal sealing disc, and the drain outlet seal is sealed to the drainage channel via a drain outlet sealing gasket. This utility model, by using a charging cover with two seals—a charging port seal and a drain outlet seal—and further sealing through the charging terminal sealing disc and drain outlet sealing gasket, makes the charging port waterproof, protecting the internal circuitry from external liquid corrosion and short circuits. It also reduces costs, facilitates installation, makes the product appearance more novel, optimizes the mechanism for easier operation, and improves the safety of electrical components.

The invention discloses a preparation method and application of a polyester fiber fabric, the preparation method is combined with a polyester fiber padding process, an olefine acid-methyl acrylate prepolymer and a polyurethane coating adhesive are mixed to prepare an anti-condensation finishing liquid, the anti-condensation finishing liquid is impregnated with polyester fibers, and then the polyester fibers penetrate through the interior and the exterior of the polyester fibers to generate acrylic acid water-absorbent resin; the bonding strength of the acrylic water-absorbent resin and the polyester fiber is improved, and the content and distribution uniformity of the acrylic water-absorbent resin in the polyester fiber are improved; the acrylic acid water-absorbent resin can absorb moisture in the environment to form hydrogel, and the hydrogel saturated after water absorption has certain hydrostatic pressure resistance and does not continuously absorb water, so that the effect of preventing water through water (gel) is achieved, the problem that a traditional outdoor tent fabric is prone to moisture condensation in the low-temperature and high-humidity environment is effectively solved, the comfort of a user is improved, and the outdoor tent fabric is worthy of popularization and application. When the weather is clear, the hydrogel releases water, the pores are opened again, and the dynamic balance of waterproofness and ventilation is realized.

The utility model discloses a cable inlet device capable of preventing leakage and water inflow for an underground power distribution room, which relates to the technical field of cable installation and comprises an upper half wire inlet cylinder, a lower half wire inlet cylinder and an inner wire inlet cylinder, and the upper half wire inlet cylinder is located at the upper end of the lower half wire inlet cylinder. An outer wire inlet is formed in the middle of the end of one side of the upper half wire inlet cylinder and the middle of the end of one side of the lower half wire inlet cylinder, outer fixing rings are arranged at the ends of the other sides of the upper half wire inlet cylinder and the lower half wire inlet cylinder, and connecting lugs are arranged on the side walls of the upper half wire inlet cylinder and the lower half wire inlet cylinder and the side walls of the two sets of outer fixing rings. And first bolts are arranged in the middles of the connecting lugs, first nuts are arranged on the outer walls of the lower portions of the first bolts, and a filling cavity is formed in the middle of the inner wall of the upper half wire inlet cylinder and the middle of the inner wall of the lower half wire inlet cylinder. The anti-seepage water inlet cable inlet device for the underground power distribution room has a better anti-seepage effect, and the installation process is simpler and more convenient.

The application relates to a fluorine-free water-repellent finishing process of wool worsted fabric, which comprises the following steps: singeing, cleaning, wool scouring for adjusting PH value, water absorption, drying, brushing and shearing, applying fluorine-free water-repellent additives, dip padding, cooling and drying, high-temperature baking, KD tank steaming, constant-temperature and constant-humidity storage and finished product; wherein, 1) the fabric is thoroughly cleaned through flat-width wool scouring and rope-shaped wool scouring; 2) the water temperature of the wool scouring tank is controlled to be 80-90 DEG C, 0.05g / L-0.06g / L of acetic acid is added, the PH value is adjusted to 6.0, and the wool is pressure-cooked for 4-10 times; 3) fluorine-free water-repellent additives are prepared by mixing 40-80g / l of fluorine-free water-repellent agent, 3-6g / l of penetrating agent and 10-25g / l of crosslinking agent; 4) after dip padding, low-temperature drying is carried out first, and then baking is carried out after cooling. Through the fine setting of the finishing process, the optimized preparation of the fluorine-free water-repellent agent, the combination of washing and scouring and reasonable baking, the water-repellent effect is achieved, the green environmental protection requirement is met, the fabric feels soft, and the water-repellent effect is still achieved after washing.

The utility model discloses a waterproof plugging structure of floor pipeline, relates to building waterproof construction technical field, and its specific structure includes: floor structure, the steel sleeve is set in the inside of floor structure, the sealing layer is set up on the outer wall of steel sleeve, the recess is set up on the floor structure, and the recess is located above sealing layer, the plugging layer is set up in the recess, the first waterproof layer is set up in the top of plugging layer, the decoration layer is set up on the first waterproof layer. The utility model solves the technical problem that the floor pipeline assembly will cause the influence to the waterproof performance of floor whole in the prior art.

The utility model discloses a waterproof intercom, including charging base and intercom main part, be equipped with loudspeaker, microphone and antenna on the intercom main part, the intercom main part bottom is equipped with the charging interface, be connected with the dust cover on the charging interface, be equipped with the charging plug that matches with the charging interface in the charging base, the intercom main part bottom is equipped with the docking seat, the docking seat includes the connecting sleeve and cover plate that connect up and down, be equipped with telescopic buckle in the connecting sleeve, the telescopic buckle includes the clamping block that is elastically connected with the connecting sleeve, the intercom main part is seted up with the clamping groove that is in accord with the clamping block head, the docking seat is sealedly connected with intercom main part, charging base respectively, and the magnetic attraction is connected between the docking seat and charging base. In the utility model, through setting up the charging base and docking seat, can through the mode of replacing the docking seat, makes the docking seat to the charging base and intercom main part sustainedly provide waterproof protection.

The utility model relates to the technical field of LED lamps, in particular to an LED tri-proof lamp tube which comprises a tube body which is of a hollow structure, and the two ends of the tube body are open ends. The LED lamp panel is arranged in the tube body; the end cover assemblies are detachably arranged at the two ends of the pipe body; a waterproof structure is arranged between the outer side of the end cover assembly and the inner side of the pipe body in an interference mode. The end cover assembly is also provided with a through hole through which a power connecting line passes. And the waterproof joint is detachably arranged at the through hole of the end cover assembly. The three-proofing lamp tube solves the problems that an existing three-proofing lamp tube structure is fixedly connected through a plurality of external fasteners, installation is complex, more gaps exist, and the requirement for the waterproof grade of the three-proofing lamp tube cannot be met.

The utility model discloses an air duct assembly and an electrical cabinet. The air duct assembly comprises a first housing and a second housing. The first shell is provided with a first air duct; the second shell and the first shell are arranged in the first direction, and the second shell is provided with a second air duct; the second shell is suitable for being matched with the first shell so that the first air channel can communicate with the second air channel. The second shell at least protrudes relative to one surface of the first shell so as to guarantee the heat dissipation effect or be conveniently connected with other elements, the second shell is further suitable for being separated relative to the first shell, so that the elements are allowed to be mounted or dismounted in the first direction, only the second shell needs to be separated from the first shell, the first shell does not need to be dismounted, and the mounting and dismounting efficiency is improved. Therefore, the maintenance is more convenient.

The utility model relates to a waterproof wool knitted fabric, including wool fibre surface layer, wool fibre inner layer and set up between wool fibre surface layer and wool fibre inner layer waterproof layer, waterproof layer includes intermediate water -resistant layer and sets up between the outside waterproof and breathable layer of intermediate water -resistant layer and wool fibre surface layer, waterproof layer still includes the inside waterproof and breathable layer of setting up between intermediate water -resistant layer and wool fibre inside, and a plurality of water -resistant layer breathable holes are distributed on intermediate water -resistant layer, and water -resistant layer breathable hole is the inclined hole structure that gradually inclines and extends from top to bottom to the outer layer waterproof and breathable layer, and the upper end orifice of water -resistant layer breathable hole sets up on the inner surface of intermediate water -resistant layer, and the lower end orifice of water -resistant layer breathable hole sets up on the outer surface of intermediate water -resistant layer, the utility model provides a waterproof wool knitted fabric that can realize waterproof and breathable.

This utility model discloses an angled vehicle camera connector, including a metal back cover, a terminal assembly, a first outer conductor with an angled insertion portion, a second outer conductor that is positioned and installed with the first outer conductor, and at least two sealing elements. The first and second outer conductors are at a predetermined angle, and the axis of the insertion portion forms a non-perpendicular angle with the mounting panel. This utility model's connector structure is simple, facilitating installation in confined spaces and improving space utilization. The curved platform effectively prevents cracking. The first outer conductor is a single piece, which not only avoids circumferential water ingress or poor sealing at the angled insertion portion but also facilitates the installation of waterproof elements, reducing the number of sealing elements to two, thus achieving overall waterproofing and sealing of the connector.

This utility model discloses a corrosion-resistant profile pipe, including a profile pipe body with pipe channels evenly spaced inside. The outer surface of the profile pipe body is provided with a pressure-resistant structure, which provides the profile pipe with a certain pressure resistance. The pressure-resistant structure includes pressure-resistant balls, which are evenly embedded and connected to the surface of the profile pipe body. Each pressure-resistant ball has a hollow groove inside, and the material of the pressure-resistant balls is rubber. This corrosion-resistant profile pipe, with its pressure-resistant structure, allows the rubber to deform under pressure. The hollow grooves provide space for the deformation of the pressure-resistant balls, and the repulsive force of the compressed air inside the hollow grooves also pushes against the deformed rubber, thus achieving a buffering effect against pressure and preventing deformation of the profile pipe. The presence of a first corrosion-resistant layer and a second corrosion-resistant layer further enhances the corrosion resistance of the profile pipe.