45results about How to "Play a leak-proof role" patented technology

The present invention is one kind of irregular building block and the wall structure therewith. The irregular building block is a longitudinal shaped material including one top side, one bottom side, two ends and two lateral sides. The block has an H-shaped cross section, and the top side of the block has two higher side parts and one lower middle part, and the bottom side of the block has two higher side parts and one lower middle part. The wall of the irregular building blocks has high leakproof performance, high earthquakeproof stability and other advantages.

The invention discloses a macromolecule nano selfreparing memory adhesive which consists of the following components in parts by mass: 48-54 parts of butyl rubber, 24-32 parts of polyisobutene, 5-10 parts of a styrene-butadiene copolymer, 1-6 parts of polyacrylate, 0.05-0.15 part of boron trifluoride, 3-9 parts of calcium carbonate, 0.5-1.7 parts of fumed silica and 0.05-0.15 part of carbon black. The macromolecule nano selfreparing memory adhesive disclosed by the invention is capable of rapidly sealing tire holes and is relatively good in malleability and impact resistance, and due to addition of the memory adhesive, the strength of a tackifier and adhesion of tires can be improved; the macromolecule nano selfreparing memory adhesive is capable of repairing air leakage of a tire which is punctured by a nail, a function of leakage prevention can be achieved, relatively good adhesion can be achieved, relatively good ductility and impact resistance can be achieved, and the adhesive can never be peeled off.

The invention discloses a bipolar zinc ion battery, which includes at least one unit group. The unit group includes at least one battery unit. The battery unit includes: an anode plastic current collector, an isolation film, and a cathode plastic current collector which are successively stacked and attached and sealed to each other, and a cathode active material layer as a cathode disposed insidethe cathode current collector, an anode active material layer as an anode disposed inside the anode current collector, and an electrolyte in the gaps of the cathode, anode, and the isolation film andcontaining a zinc compound and a porous ion channel disposed on the isolation film between the anode and the anode for the movement of zinc ions. The bipolar zinc ion battery has simple structure andlight weight, and has good safety performance and use performance.

The invention provides a leakage preventing assembly for pipeline connection. The leakage preventing assembly for the pipeline connection comprises a connecting block, wherein connecting holes penetrates two sides of the connecting block; inclined threaded pipelines are in thread connection with parts, corresponding to the connecting holes, at two sides of the connecting block; a first magnetic pole is fixedly connected to the inner side of the connecting block; a spring is fixedly connected to one side, close to each connecting hole, of the first magnetic pole; a second magnetic pole is fixedly connected to one side, far away from the first magnetic pole, of the spring; an arc-shaped block is fixedly connected to one side, far away from the spring, of the second magnetic pole; and a connecting seam is embedded into the connecting block and each inclined threaded pipeline. When the leakage preventing assembly is in use, the first magnetic pole and the second magnetic pole are like poles, the first magnetic pole applies repulsive force to the second magnetic pole to enable the second magnetic pole to slide in a chute; and meanwhile, the second magnetic pole drives the arc-shaped block to be in close contact with the corresponding inclined threaded pipeline, thus the inclined threaded pipelines can be prevented from sliding relative to the connecting block, and moreover, the connecting seam between the connecting block and each inclined threaded pipeline can be sealed through the arc-shaped block, and as a result, the leakage preventing effect is good.

The invention discloses an expansion joint with a flow guiding device. The expansion joint comprises flanges, a first bellows, a second corrugated pipe, a middle pipe, an end pipe, a connecting rod, a flow guiding pipe and a check valve, wherein the first corrugated pipe is connected with the second corrugated pipe through the middle pipe; one end not connected with the middle pipe of the first corrugated pipe and one end not connected with the middle pipe of the second corrugated pipe are respectively connected with the end pipe through the corresponding flanges; the connecting rod is arranged between the flanges; the flow guiding pipe is arranged on the middle pipe and communicates with the end pipe; the check valve is arranged in the flow guiding pipe. According to the expansion joint, the problem that the expansion joint is damaged when the subsidiary stress in a conventional expansion joint pipeline is beyond the elastic range of a compensating element, so that the service life of the expansion joint is greatly shortened is solved.

The invention relates to a building block used for forming a wall body structure. A plurality of similar building blocks in the wall are continuously overlapped and placed in a staggered way, the building blocks are section bars in vertical direction. Each building block comprises a top surface, a bottom surface and two end surfaces, the cross section of the building block is integrally in a downward horn mouth shape, the top surface is provided with a middle ridge, both sides of the top surface are low, and a left supporting slop and a right supporting slop are formed. The top surface and the bottom surface are formed in the following way: when the building block is overlapped and placed on a lower similar building block for forming the wall body, the left supporting slop and the right supporting slop of the top surface of the lower building block are in contact with the bottom surface of the building block, so the two building blocks are locked, and the relative transverse movement is prevented. The shape and the size of the building block meet the requirement that when three similar building bocks are overlapped and placed up and down, the ridge of the lowest building block is higher than the bottom foot part of the highest building block. The invention has the advantages that any side of the formed wall body has the water leakage prevention effect, can simultaneously resist shock, and is firm and stabile, and in addition, the invention is applicable to various buildings and various construction methods.

The invention discloses a safe humidifier capable of supplanting water automatically. The top of a humidifier body is in screw joint with an upper cover through a sealing ring. A rubber foot pad is installed at the bottom of the humidifier body. A mist spraying opening is formed in the upper cover. An ultraviolet sterilizing lamp is installed in an inner cavity of the upper cover. A water condensing groove is formed in the bottom of the inner cavity of the upper cover. A filtering net and a negative ion filter are connected in an inner cavity of the water condensing groove in an inserted manner. The bottom of the negative ion filter is connected with a mist outlet of a water tank. A micro draught fan is arranged at the bottom of the water tank. A heating electrode plate is arranged in an inner cavity of the water tank, and a first water level sensor and a second water level sensor are installed on the inner wall of the water tank. The bottom of the water condensing groove is connected with an electromagnetic valve which is connected to the inner cavity of the water tank through a hose, and a heat insulation bar is arranged in the inner cavity of the water condensing groove. The safe humidifier capable of supplementing water automatically is easy to operate, a clean humidifying effect can be effectively provided, and the service life of the humidifier is prolonged.

The invention discloses a pipeline pressure tapping branching device which comprises a pressure pipe body, a lower saddle, an upper saddle, a pipeline sealing gasket, a knife switch, a nut and a cut-off sealing ring, a long kidney-shaped knife switch inserting groove is formed in the outer side of the upper saddle, and a through hole is formed in the center of the upper saddle. An inner thread, an annular cut-off sealing groove and a pipeline sealing groove matched with the pipeline sealing gasket are sequentially arranged in the through hole from top to bottom, the knife switch inserting groove is communicated with the cut-off sealing groove and corresponds to the position where the cut-off sealing groove is located, and installation bosses are arranged on the two sides of the lower portion of the upper saddle. And the bolt ends at the two tops of the lower saddle penetrate through the mounting bosses and form a locking structure with the nuts. The pipeline sealing gasket can be arranged to be of a U-shaped structure, the outer side part of the upper portion of the pipeline sealing gasket is matched with the pipeline sealing groove, the inner side of the upper portion of the pipeline sealing groove is matched with the inner wall of the through hole, compared with a traditional sealing gasket, the sealing effect is better, and the leakage-proof effect can also be achieved under large pressure.

The invention discloses an automatic equipment for one-time molding of protective clothing and a method for using the same. It belongs to the technical field of protective clothing production and can realize on-site production. After the user stands and stretches his limbs, the protective clothing material is driven by the instrument to cover the user. After the armpit and crotch are automatically cut, the opening is innovatively used to connect the sealing molding, and a certain amount of protective solid powder is filled after heating and melting. On the one hand, it can improve the sealing performance of the protective clothing material when docking. Bond strength, on the other hand, can strengthen the disinfection and sterilization effect of the joint, significantly improve the protective effect, and at the same time have the function of gap self-display phase, which is used to remind the user to replace it in time, improve the wearing safety of the protective clothing, and greatly shorten the time spent on protective clothing. The production cycle of protective clothing, efficient production of protective clothing for different users, fast and simple one-time molding, can well solve the problem of shortage of protective clothing resources in emergency situations.

The present invention is one kind of irregular building block and the wall structure therewith. The irregular building block is a longitudinal shaped material including one top side, one bottom side, two ends and two lateral sides. Each of the top side and the bottom side includes five parts in different heights. The wall of the irregular building blocks has high leakproof performance, high earthquakeproof stability and other advantages.

The invention provides a leakproof structural washing chain conveyor of an electrolytic copper plate. The leakproof structural washing chain conveyor comprises a main rack, an upper spraying pipe, a side face spraying pipe, a transmission chain, a chain supporting plate and close plates. The leakproof structural washing chain conveyor is characterized in that single close plate is a quadrate blocky stainless steel close plate with two folding sides at 90 degrees; the blocky close plates are matched in a convex-concave staggering manner and are fixed through stainless steel bolts and acid-resistant plastic spacers; a strong acid solution in the washing chain conveyor does not flow from a clearance between every two close plates by gravity under such structure; a glass silica gel layer used for sealing is additionally arranged in a joint at the outermost side of each close plate; spray-like acid liquid in the washing chain conveyor also does not overflow from such structure. According to the leakproof structural washing chain conveyor of the electrolytic copper plate, the natural rigidity of the close plates can be enhanced through the folding side structures at four sides of the close plates, and the close plates can be firm and durable; the close plates also can be manufactured from thinner stainless steel plates, so that the materials can be saved. The structure under bolt connection is dismountable and can be replaced by simply releasing the bolts during maintaining, so that the maintenance cost is saved.

The invention discloses a protective clothing digital customization system based on attitude collection, which includes a production platform and a model acquisition platform. The model acquisition platform includes a trajectory acquisition module, a classification module, and a model output module; The fixed-point posture image and the posture change image are converted into feature vectors with axis and time axis labels, and the feature vectors are input into the preset classification model to obtain the standard protective clothing size; based on the standard protective clothing size, the model output module searches the database from multiple Determine the cutting method that matches the size of the standard protective clothing among the three cutting methods, and control the manipulator to manufacture the protective clothing based on the cutting method; the trajectory acquisition module is used to collect changes in the user's body posture. The invention solves the technical problem of large manufacturing errors and low flexibility of conventional protective clothing, and can automatically customize according to the user's figure, with simple operation and good fit of the manufactured protective clothing.

The invention discloses a guide sleeve of a hydraulic oil cylinder, which comprises a guide sleeve body, a fixed plate, a pipe sleeve and a No. 1 piston rod. A guide hole is provided inside, and a plurality of oil storage tanks are provided on the inner wall of the guide hole, and a fixed plate is welded at one end of the guide sleeve body. The present invention provides an oil storage tank and an oil suction tank inside the guide sleeve, and a rubber ring inside the sleeve. Ensure that the excess oil can be kept in the guide sleeve as much as possible, which can play a certain role in preventing leakage; by setting a movable sleeve, with the help of cooling holes and fins, the gap between the piston rod and the guide sleeve The heat generated by friction can be quickly discharged, and the dust-proof net is set in the heat dissipation hole, and two opposite oil suction grooves are set, and at the same time, it can also avoid the internal oil leakage and reduce the lubricating oil content; the whole new guide sleeve is easy to disassemble and protect Good performance and higher practicability.

The invention relates to a surface dust-free coating production line for auto parts. The surface dust-free coating production line for auto parts comprises a portal frame, a driving electric slide block, an inner diameter clamp, an externally connected ring, connecting frames and equally spaced spray heads. The driving electric slide block is mounted at the upper end of the portal frame, the externally connected ring is mounted at the lower end of the driving electric slide block, the lower end of the externally connected ring is connected to the portal frame in a sliding fit manner, the connecting frames are uniformly arranged on the inner wall of the externally connected ring along the circumferential direction, the equally spaced spray heads are uniformly arranged on the inner end surface of each connecting frame, the inner diameter clamp is mounted at the left end of the portal frame, and the inner diameter clamp is located in the externally connected ring. The surface dust-free coating production line can solve the problems that the thicknesses of coating liquids in parts of an exhaust tube are different as the coating distances from existing spray heads to the parts of the exhaust tube are different as the bore diameters of the parts of the exhaust tube are different, and the existing spray heads are likely to spray the coating liquids to the inner wall of the exhaust tube as the orifice of part of the exhaust tube is of an inclined structure and the like.