20results about How to "Prevent immersion" patented technology

The utility model discloses a roller brush, which belongs to the technical field of brushes and comprises a roller shell, a cavity filled with paint is arranged inside the roller shell, one end of the roller shell is fixedly connected with a roller main frame, the other end of the roller main frame is connected with a rotatable roller, and a connecting cavity is arranged inside the roller main frame. One end of the connecting cavity is communicated with the cavity, a through hole is formed in the end, close to the roller, of the roller main frame, the through hole is communicated with the other end of the connecting cavity, the through hole is formed above the roller, an operator can have a rest through the roller brush, meanwhile, paint can fall on the roller to be supplemented, and physical output is reduced; the method can be used for repairing both large-area places and small-area places, and is suitable for various use scenes.

This invention relates to the field of transfer paper coating technology, specifically to a thermal sublimation transfer paper coating and its preparation method. The invention first coats a photothermal dual-curing polyurethane emulsion onto a substrate paper, curing it to form a hydrophobic layer. The photothermal dual-curing polyurethane emulsion is composed of an epoxy-terminated silicone polyurethane modified with hydroxyl-terminated polydimethylsiloxane and capped with propylene glycol diglycidyl ester, and a double-bond capped polyurethane obtained by chain extension with glycerol monoglycidyl ether and capping with hydroxyethyl acrylate. Next, an ink-absorbing coating containing mercapto-modified silica, acrylamide monomer, and sodium carboxymethyl cellulose is coated onto the hydrophobic layer, cross-linking to form an ink-absorbing layer. Finally, a polyvinyl alcohol solution is coated onto the ink-absorbing layer to form a surface layer. The thermal sublimation transfer paper coating designed by this invention exhibits strong adhesion and excellent transfer effect.

The utility model discloses a kind of instant steam steamer furnace, it is related to steamer furnace technical field, the utility model includes case and steam generating device, the steam generating device includes steam disc, water supply structure and heating structure, steam disc is equipped with several, steam disc is set at the top of the case, water supply structure is arranged in the inside of case, water supply structure is used to water supply for steam disc, heating structure is arranged at the bottom of steam disc, heating structure is used to heat the water in steam disc.The utility model can reduce energy consumption, improve heating efficiency.

The utility model discloses a building construction template cleaning device which comprises an equipment shell, a cleaning device and a cleaning device. The conveying mechanism is arranged on the lower portion in the equipment shell and located below the conveying channel; the fixing frame is movably connected to the interior of the equipment shell and located above the conveying mechanism; one end of the electric push rod is connected with the fixing frame, and the other end is connected with the inner top wall of the equipment shell; the cleaning assembly is connected to the side, located at the inlet end of the conveying channel, of the fixing frame. The water supply assembly is arranged at one end of the upper portion of the equipment shell and used for supplying water to the cleaning assembly. The scraping and sucking mechanism is arranged on the side, away from the inlet end of the conveying channel, of the fixing frame. The scraping and sucking mechanism is communicated and connected with the water supply assembly through the one-way valve pipe. Residual water stains on the formwork can be cleaned, the situation that the water stains are not erased in time and immerse into the formwork is prevented, the time for waiting for the water stains to be completely dried is shortened, and the building construction efficiency is greatly improved.

The utility model discloses a same axis line coupling's device between shafting, same axis line coupling's technical field between shafting is related to, including outer lock ring, outer collar, cam piece, spring piece, inner collar and inner top ring, the inner hole is seted up in the inside of outer lock ring, the outside end arc top of cam piece is locked through the inner hole of outer lock ring, the inside of outer collar is seted up with square hole, and outer collar is positioned the position of inner top ring close to outer end arc top through square hole, this same axis line coupling's device between shafting, and the power source shafting on same axis is connected through the mounting hole of outer lock ring setting, and the passive shafting on same axis can be connected through the inner hole and key groove of inner top ring setting, and installation and maintenance are convenient, and the mounting hole of one end of outer lock ring has the mounting protective cover, can prevent the immersion of larger particulate matter, and also can make a little lubricating oil immerse lubrication, simple and convenient.

The utility model discloses a rain-sheltering gallery for garbage transportation, which relates to the technical field of galleries, and comprises a plurality of steel structure bases which are pre-buried and fixed along two sides of a road, and a steel upright post is fixed on each steel structure base; steel beams are connected to the upper portions of the steel stand columns symmetrically arranged on the two sides of the road through side connecting pieces, and the two steel beams are connected through a butt joint connecting piece. When it rains, rainwater can flow to the two sides of the road from the roof panels, the garbage transfer truck can run in a shuttling mode in the corridor formed by the steel stand columns, the steel beams, the purlines and other structures, dirt generated by the garbage transfer truck in the corridor needs to be used for cleaning the road through water, and the cleaned sewage channel enters the sewage channel. Discharging to a leachate treatment station through a sewage channel; rainwater enters the drainage pipe through the roof panel and the water collecting tank on the outer side of the roof panel, so that rainwater and sewage are separated, and the workload of a leachate treatment station is reduced.

The utility model relates to the field of anti-collision walls, in particular to a fabricated concrete anti-collision wall with a drainage structure. The technical problems that in the using process of an existing concrete anti-collision wall, due to the fact that the concrete anti-collision wall is exposed in rainy and snowy weather for a long time, rainwater is likely to immerse into the concrete anti-collision wall, pressure is caused by water in a wall body, the structure is damaged due to water accumulation, and the service life of the concrete anti-collision wall is shortened are solved. According to the technical scheme, the fabricated concrete anti-collision wall with the drainage structure comprises a top assembly, a bearing assembly and a supporting assembly; through combination of the multiple groups of drainage holes, accumulated water caused by raining of the road can be discharged outwards along the drainage holes, the road and the anti-collision wall are prevented from being soaked, and therefore the service life of the road and the anti-collision wall is prolonged.

This utility model discloses a dual-sided battery swapping device, including two battery compartments, a platform, two movable door panels, a jetting mechanism, and two battery swapping trolleys. The two movable door panels are located below the battery swapping port. The jetting mechanism includes two air chambers, an air compressor, a distribution chamber, two air supply pipes, and two connecting pipes. The air chambers are mounted on the movable door panels and are located on the closed side of the two movable door panels. Multiple nozzles are mounted on the air chambers, with the nozzles spraying air vertically upwards. The output end of the air compressor is connected to the distribution chamber, which is connected to the connecting pipes via the air supply pipes. The connecting pipes are connected to the air chambers, and the air supply pipes are flexible. This utility model allows the air chambers to move with the movable door panels, effectively removing water droplets remaining on the vehicle chassis and preventing water from entering the battery swapping device, thus ensuring the safe use of the device.

This invention relates to the field of valves, and in particular to a liquid helium shut-off valve with a bellows vacuum jacket. An inner bellows is provided between the valve stem and the valve cover, with one end abutting the valve cover and the other end extending into the valve body. A bellows vacuum connector perpendicular to the valve stem axis is provided on the valve cover, penetrating the side wall of the valve cover. A vacuum environment is created inside the inner bellows through the bellows vacuum connector. A low-temperature epoxy fiberglass filling ring is filled between the inner bellows and the valve body. A winding layer is provided on the outer wall of the valve body, including an insulating layer and a heat radiation protection layer. A vacuum jacket is also provided on the outer wall of the valve body, fixedly connected to the valve body via an expansion joint. A vacuum evacuation connector is provided on the side wall of the vacuum jacket, creating a vacuum environment inside the jacket through the vacuum evacuation connector. The vacuum inner bellows and the low-temperature epoxy fiberglass filling ring reduce heat conduction at the valve stem-valve cover mating point, while the insulating layer, heat radiation protection layer, and vacuum jacket reduce heat radiation from the valve body, resulting in good cold insulation.

The utility model discloses a self-cooling magnetic drive pump which comprises a supporting base, a transmission motor is fixedly connected to one side of the surface of the supporting base, a pump body shell is arranged on one side of the transmission motor, an outer magnetic rotor is arranged in the pump body shell, a sealing plate is fixedly installed on one side of the pump body shell, and an isolation sleeve is fixedly connected to one side of the sealing plate. An inner magnetic rotor is arranged in the isolation sleeve, one end of the rotating shaft is fixedly connected with the inner magnetic rotor, the other end of the rotating shaft is fixedly connected with an impeller, a liquid cooling heat dissipation mechanism is arranged between the isolation sleeve and the pump body shell, and an air cooling cooling mechanism is arranged between the pump body shell and the transmission motor. The beneficial effects of the utility model are that liquid cooling can be carried out on the interior of the isolation sleeve through the liquid cooling heat dissipation mechanism, and liquid pumped by the magnetic drive pump can be effectively prevented from entering the space between the isolation sleeve and the inner magnetic rotor to contact and immerse the inner magnetic rotor, so that the pumped liquid is prevented from corroding the inner magnetic rotor, and the service life of the magnetic drive pump is prolonged. And the influence of liquid resistance when the inner magnetic rotor rotates is effectively avoided.

The utility model belongs to the field of speed reducers, and discloses a speed reducer input dry well double-sealing structure which comprises a box body, an input shaft and an input gear, an input flange is sleeved on the input shaft on the box body, the input flange is provided with a bearing chamber, the input shaft is provided with a first tapered roller bearing and a second tapered roller bearing which are oppositely arranged in the bearing chamber, and the first tapered roller bearing and the second tapered roller bearing are arranged in a sealing mode. An oil seal step close to one end of the box body is arranged on the input shaft, a first framework oil seal is arranged on the oil seal step, a transparent cover covers the flange chamber of the input shaft, and a second framework oil seal is fixed on the transparent cover. The first framework oil seal on the oil seal step can isolate the bearing chamber from the inner cavity of the box body, grease in the bearing chamber and lubricating oil in the inner cavity of the box body are prevented from permeating each other, meanwhile, the transparent cover is arranged at the end of the bearing chamber of the input flange, the second framework oil seal is additionally arranged on the transparent cover, and the functions of leakage medium isolation and double protection can be achieved. And the reliability of the sealing structure of the speed reducer is obviously improved.

The USB jack 80 is provided below the bulging portion 30 of the door trim 20. Therefore, it is possible to suppress rainwater from being soaked into the USB jack 80 by the bulging portion 30. Therefore, it is possible to provide the USB jack 80 to the door trim 20. In addition, since the passage 37 is provided in the bulging portion 30, it is possible to extend and arrange the USB cable 100 from the inside space S of the housing portion 34 through the passage 37 to the space S1 below the bulging portion 30. Therefore, even in the case where the USB jack 80 is provided below the bulging portion 30, it is possible to connect the USB jack 80 and the smartphone P housed by the housing portion 34 by the USB cable 100.

The application relates to a liquid storage type siphon oil cooling device and belongs to the technical field of refrigeration equipment, which comprises a main liquid storage tank body, the side surface of the main liquid storage tank body is respectively provided with a liquid falling pipe and a plurality of system interfaces, the top of the main liquid storage tank body is respectively provided with a siphon cavity pipe and a gas return pipe, the top of the main liquid storage tank body is provided with the siphon cavity pipe, a special siphon cavity is integrated, the volume of the siphon cavity accounts for about 5% of the total volume of the whole container, through the layout of the cavity-on-cavity, function partition is realized, due to the space expansion and the change of flow velocity, the gas and liquid are sharply flashed and separated, in the siphon cavity, a large amount of gas generated by flashing carries lubricating oil, the lubricating oil is directly and efficiently transported back to the suction pipeline of the compressor through the gas return outlet at the top, the recovery of the lubricating oil is completed, the original function is realized, the overall installation space is reduced, and the floor space is smaller.

The utility model provides a weighing feedback type package box, and belongs to the field of package boxes. The weighing feedback type package box comprises a box body which is hinged with a delivery door and a pick-up door, and the pick-up door is arranged below the delivery door; the controller is located in the box body, and the controller is in communication connection with the Internet of Things; the weighing mechanism is located at the bottom of the box body, and the weighing mechanism comprises a bearing plate, a weighing device, a mounting box and a supporting structure; the supporting structure is located at the bottom of the weighing mechanism and fixedly connected with the side wall of the box body. The upper side of the supporting structure is fixedly connected with the mounting box; a weighing device is arranged in the mounting box, the upper part of the weighing device extends out of the top of the mounting box, and the weighing device is in communication connection with the controller; and the top of the weighing device is fixedly connected with a bearing plate, and the bearing plate is used for bearing packages. The weighing feedback type parcel box can efficiently feed back the parcel access state in the parcel box to a user.

The invention relates to the technical field of data centers, and discloses a water supply device of an offshore data center cooling system, which comprises a pump protection pipe, a pipeline assembly and a submersible pump, the lower end of the pump protection pipe extends into seawater, the upper end of the pump protection pipe extends above an ocean platform, the pipeline assembly and the submersible pump are arranged in the pump protection pipe, and the submersible pump is fixedly connected to the lower end of the pipeline assembly. The pipeline assembly comprises a plurality of water pipe units which are connected with one another, the water pipe units can move in the axial direction of the interior of the pump protection pipe, and the water pipe units and the submersible pump can be hoisted out of or hoisted into the pump protection pipe section by section from the position above the ocean platform. Through the modular design, the pipeline assemblies can be flexibly combined according to the water depth, the water pipe units are short in length, the requirement for hoisting equipment is low, maintenance can be completed through conventional tools of the platform, divers are not needed during maintenance, all operations are conducted on the platform, and the difficulty and cost are greatly reduced.

A battery pack cover is provided with a device cover that covers the upper surface of the device side of a battery pack including a device and a storage battery, a storage battery cover that covers the upper surface of the storage battery side of the battery pack, a portion of which overlaps the device cover in the vertical direction, and an upper convex reinforcing rib that protrudes upward from the upper surface of the overlapping portion and extends downward along the overlapping portion toward the outside of the cover.

The application discloses a catheter material for varicose vein closure surgery and a preparation method thereof, and raw materials at least include 100-150 parts of a polymer base material, 10-15 parts of a lubricant and 3-8 parts of a coupling agent in terms of weight. The catheter material is corrosion resistant and has high compatibility with human bodies, can effectively prevent human body fluids and tissue fragments from adhering and immersing into the catheter material, thereby improving the use effect of the catheter material, can prevent the catheter from being touched with human tissues to cause damage, avoids damage to human tissues, can reduce discomfort and inflammatory reactions during use, and can meet the use requirements of clinical surgery.

The utility model discloses a handle in the technical field of handle without base, including handle, mounting seat, rotating seat and square shaft, the middle part of mounting seat is equipped with mounting hole, and handle installation place is equipped with fixed hole, and one end of rotating seat is connected in mounting hole through rotation, and the other end is hinged in fixed hole, and the middle part of rotating seat is equipped with the axle hole for installing square shaft, its characterized in that: the interval of rotating seat periphery is equipped with a plurality of positioning key groove, and the mounting seat is equipped with the positioning plate that is linked with positioning key groove, and the mounting seat is equipped with a plurality of positioning spring that is abutted with positioning plate. Handle sets up positioning plate and positioning spring in the mounting seat, and is through the cooperation of positioning plate and the multiple positioning key groove that rotating seat periphery interval sets up, realizes the rotary positioning of handle, and the structure of positioning plate and positioning key groove is more stable, and the assembly is more convenient and fast, and simultaneously simplifies the internal structure of handle, reduces the overall volume of handle, can be applicable to a variety of different size's space.

The utility model discloses a muddy water prevention sealing rolling bearing which comprises an inner ring, an outer ring, a plurality of rolling bodies and a pair of sealing parts, and each sealing part comprises an outer diameter part embedded in a sealing groove; the inner diameter part slightly leans against the interior of the annular groove, the inner diameter part is provided with a contact type sealing inner lip obliquely facing the annular groove, a baffle extending towards the annular groove is obliquely arranged in the middle of the contact type sealing inner lip, and the inclination direction of the baffle is opposite to the inclination direction of the contact type sealing inner lip; and when the contact type sealing inner lip is extruded by the inclined surface on the inner side of the annular groove to deform and upwarp, the baffle is lightly contacted with the inclined surface on the outer side of the annular groove, and a sealed space is formed between the baffle and the bottom horizontal plane of the annular groove. According to the utility model, the baffle plate and the non-contact waterproof column are arranged, so that two defense lines are formed, muddy water immersion can be reliably prevented, and excellent sealing performance and starting torque are achieved.

The utility model relates to a kind of earphone sleeve of sponge of horn mouth shape, belong to earphone sleeve technical field. Including earplug main body, the earplug main body is equipped with the sound amplification part for amplifying sound, the sound amplification part is located at the top of earplug main body and is horn-shaped, the axial through-hole that is penetrated with sound amplification part is equipped in the earplug main body, the earplug main body outside is equipped with annularly arranged memory sponge.The utility model provides a kind of earphone sleeve of sponge of horn mouth shape, by horn mouth sound amplification part and hard smooth surface design, improve high-frequency sound quality resolving power, reduce distortion;Memory sponge dynamically adapts ear canal, with anti-skid protrusion, enhance wearing stability and comfort degree;Anti-blocking component effectively blocks foreign matter, water barrier protects electronic component;Sound amplification part design substantially improves sound pressure level, accurately guide low-frequency energy, improve sound field positioning, solve the existing earphone sleeve sound quality turbid, wear unstable and other problems, improve user experience.