35results about How to "Guaranteed to be used multiple times" patented technology

The invention provides an oxygen tank which comprises an oxygen storage container, a control part and a moisturizing part, wherein the moisturizing part comprises a moisturizing body, an internal cavity gap and a moisturizing part shell, wherein at least part of the moisturizing part is an internal wall of the internal cavity gap, and dried oxygen takes away water moisture on the surface when passing by the surface of the moisturizing body to complete the moisturizing process. The oxygen tank provided by the invention increases an oxygen moisturizing function for a portable oxygen device, the surface of the moisturizing body has no liquid drops, and the dried oxygen is only blown over the surface of the moisturizing body, so that the risk of producing aerosol is completely removed and the safe moisturizing of the oxygen is implemented, and meanwhile, the oxygen tank has the advantage of simple operation, as a result, the requirement of oxygen uptake of an outdoor sportsman, an old man or a student is well met.

The invention relates to a packaging assembly of an air-conditioner compressor. The packaging assembly is formed by arranging two or three of an upper fixing plate, a middle fixing plate and a lowering fixing plate up and down. Compared with the prior art, the packaging assembly has the advantages of being high in strength, resistant to shock, corrosion resistant and the like.

The invention discloses a low-consumption vehicle air filter. The low-consumption vehicle air filter comprises a housing, wherein the side wall of the housing is equipped with a gas inlet tube which communicates with the inner part of the housing; a gas outlet tube is further mounted on the inner bottom of the housing; a partition plate is rotatably connected on the inner wall of the housing; theupper end and the lower end of the partition plate are equipped with filter elements; a plurality of elastic rubber pipelines are embedded into the filter elements; the rubber pipeline below the partition plate communicates with the gas outlet tube; two gas guide slots are formed in the side wall of the partition plate; a U-shaped tube is embedded into the housing; one end of the U-shaped tube communicates with the inner part of the housing; and the other end of the U-shaped tube communicates with one gas guide slot. The low-consumption vehicle air filter shakes off other particles such as dust adsorbed on the filter element below the partition plate by forcing the rubber pipeline to continuously shrink and restore, ensures that the filter elements can be used for many times, and greatly reduces filter element replace frequency, so that vehicle maintenance cost is reduced.

The invention belongs to the technical field of medicine packaging and pharmaceutical preparations, and particularly discloses a pen injector borosilicate glass sleeve injection box and a methotrexate injection packaged by the same; an injection pen is arranged in a pen injector borosilicate glass sleeve injection box body, and the injection pen comprises an injection push rod, a pen injector borosilicate glass sleeve, an injection frame, a pen injector borosilicate glass sleeve mounting sleeve and an injection needle seat part. By improving the structure of an existing injection pen, the pen injector borosilicate glass sleeve injection box of a novel structure is manufactured, injection liquid packaged by the pen injector borosilicate glass sleeve injection box not only achieves quantitative injection, but also improves injection safety, and then the purposes of reducing adverse reactions of MTX and improving the curative effect of MTX are achieved.

The invention discloses chemical waste incineration equipment. The chemical waste incineration equipment comprises a shell; the left side of the shell is fixedly connected with a feeding pipe communicating with the shell, the position, located below the feeding pipe, of the left side of the inner wall of the shell is movably connected with a feed mechanism, and the left side of the shell is fixedly connected with an installation bracket; a servo motor is fixedly installed on the inner wall of the installation bracket, and an output shaft of the servo motor is fixedly connected with a rotary shaft; and the end, away from the servo motor, of the rotary shaft penetrates through the shell and extends to the interior of the shell to be fixedly connected with an incineration frame. According tothe chemical waste incineration equipment, waste can enter the equipment more conveniently and precisely by arranging a feeding plate and aligning convex strips, repeated usage of the equipment can beensured through a reset spring, and feeding is more convenient; heat conduction can be accelerated through heat conduction columns, and it is ensured that heating incineration is more uniform; and through incineration convex blocks, a space exits between the waste and an incineration plate, and thus, air can circulate better.

The invention discloses an ultralow-oxygen-water-content atmosphere control device for metal additive manufacturing, and belongs to the technical field of 3D printing, according to the ultralow-oxygen water content atmosphere control device for metal additive manufacturing, through cooperation of a purification ball and an isolation hood, oxygen and water in air are removed at the same time, the air purification efficiency is improved, and the air purification effect is improved. When water in the air is in contact with the quick lime, the function of reducing the water in the air is achieved, meanwhile, heat is released, the reaction efficiency of oxygen and iron powder can be improved, a sealing piece in an air storage column barrel reacts with the oxygen, loose verdigris is generated on the surface of the sealing piece, the strength is weakened, and the sealing piece is broken and disassembled under extrusion of the air bag, at the moment, the sealing piece loses the sealing function on the air storage column barrel, carbon monoxide in the air storage column barrel leaks out to make contact with ferric oxide, ferric oxide is reduced into iron powder, it is guaranteed that the iron powder can be used repeatedly, and the validity period of the device is prolonged.

The invention discloses a door closing device. The door closing device comprises a rectangular tubular shell, a slideway is formed in the center of the upper surface of the shell, a stop sliding blockis installed on the slideway, the outer end of the stop sliding block is connected with the closing end of a door, and an installing frame is fixed to the inner surface of the shell. An electromagnetis connected with one end of a metal buckle, the metal buckle is provided with an upper clamping portion, a releasing part is provided with a lower clamping portion, and the middle of the releasing part is connected with the installing frame through a second spring. A stop buckle is provided with a bottom plate, one end of the bottom plate extends to form a bearing surface in the vertical direction, the bearing surface is attached to the middle of the releasing part, a stop portion is further arranged at the upper end of the bottom plate, a clamping connection portion is arranged at the lowerend of the stop sliding block, and the stop portion and the clamping connection portion are clamped. A toggle switch is provided with an upper arm and a lower arm, a reset portion is further arrangedat the lower end of the stop portion, the lower arm is located at the lower end of the reset portion, and the upper arm is located on the outer side of the stop portion and stretches out of the slideway. The door closing device has the effects of simple structure, high response speed, stable operation and high safety.

The invention provides an electrolysis device for achieving accumulated NO separation and a using method thereof. The electrolysis device comprises an electrolytic tank, the electrolytic tank comprises a shell, electrolyte is injected into the shell, at least one pair of electrodes immersed in the electrolyte is arranged in the shell, and the electrolysis device further comprises a gas-liquid separator in circulating connection with the electrolytic tank; and the electrolyte enters the gas-liquid separator, the separated gas is discharged out of the gas-liquid separator, and the separated liquid flows back into the shell. The use method comprises the following steps: electrolyzing the electrolyte to generate nitric oxide, and releasing the nitric oxide after the concentration of the nitric oxide meets the requirement; and after the release of the nitric oxide is stopped, separating out the residual nitric oxide in the electrolytic tank by using a gas-liquid separator. According to the invention, the electrolytic tank is circularly connected with the gas-liquid separator, so that the influence of residual nitric oxide on the electrolyte and the electrode is avoided, the stability and consistency of the concentration of nitric oxide generated by electrolysis each time are ensured, and the waiting time of a user during concentration switching can be effectively shortened.

The invention relates to a monovalent cation exchange membrane and a preparation method thereof. The monovalent cation exchange membrane is prepared from raw materials in parts by weight: 6000-7260 parts of cation migration resin, 1400-2200 parts of low-density polyethylene, 530-660 parts of polyisobutene, 370-480 parts of metallocene polyethylene, 170-230 parts of butadiene styrene rubber SEBS, 130-170 parts of butadiene styrene rubber SBS, 30-50 parts of a dispersing agent, 10-30 parts of a release agent, 10-30 parts of an ultraviolet absorbent, and 80-120 parts of a compatilizer. The low-density polyethylene has the excellent rheological property or melt fluidity, the polyisobutene can resist aging and ozone, thus a polymer with quite narrow molecular weight distribution and the stereoregular height can be prepared, and thus the resin membrane with high crystallinity, high strength and good toughness can be produced.

The invention discloses an automatic water accumulating irrigating device for road soil-fixation seedlings. The automatic water accumulating irrigating device comprises a water tank which is of a cubic box-shaped structure with one open end and the other closed end, a water collecting cavity is formed in the top end of the water tank and communicated with the water tank, and an upper cover is arranged at the top end of the water collecting cavity. The automatic water accumulating irrigating device is characterized in that water can be automatically added into the water tank to water trees, andmore water is saved since a permeating irrigation mode is adopted; a device body is fixedly supported through the water tank, U-type bolts are matched with stopping pieces so that the water tank canbe matched with tree trunks with different outer diameters, the water collecting cavity can be used for collecting rainwater, the rainwater is stored in the water tank for usage, and the matched uppercover aims to prevent the rainwater from diluting medicinal liquid to decrease concentration after the medicinal liquid is added into the water tank; an external connection pipe opening can be used for filling the water tank with a certain amount of water through an external connection water source, an electric valve is connected into a water path of the external connection water source in series, in this way, overall external control is convenient, usage is more convenient, and the device is more reasonable and compacter integrally and easier to use for an operator.

The invention provides a cleaning assembly and a crude oil filter element cleaning device, relates to the technical field of crude oil treatment equipment, and solves the technical problem that an existing crude oil filter element cleaning mode is low in efficiency. The cleaning assembly comprises a fixing mechanism and a spraying mechanism, the fixing mechanism is detachably connected with the filter element, the spraying mechanism comprises an outer spraying nozzle and/or an inner spraying nozzle capable of spraying high-pressure cleaning liquid, and the outer spraying nozzle is located on the periphery of the fixing mechanism and used for spraying and washing the outer wall of the filter element; and the inner spraying nozzle extends into the filter element positioned on the fixing mechanism and is used for spraying and washing the inner wall of the filter element. According to the device, the filter element of the crude oil filter can be detached and then connected to the fixing mechanism, the outer wall and/or the inner wall of the filter element are/is sprayed through high-pressure cleaning liquid sprayed by the outer spraying nozzles located on the periphery of the filter element and/or the inner spraying nozzles extending into the filter element, the filter element can be efficiently washed, labor force and cost are saved, repeated use of the filter element can be effectively guaranteed, safety and reliability are achieved, and the filter element is not damaged.

The invention relates to a truss with an adjustable curvature for a curved structure. The truss comprises an upper chord steel plate, a lower chord steel plate, and a plurality of V-shaped round steelweb members, wherein a strip-shaped bolt hole is formed in the lower chord steel plate in the length direction; the V-shaped round steel web members are uniformly arranged between the upper chord steel plate and the lower chord steel plate; a triangular structure is formed by the two edges of each V-shaped round steel web member and the upper chord steel plate; a triangular structure is also formed by the adjacent edges of every two adjacent V-shaped round steel web members and the lower chord steel plate; a fastening bolt is welded at the bottom of each V-shaped round steel web member and fixed on the lower chord steel plate through a fastening nut; and n-shaped spring steel plates are uniformly welded on the lower surface of the upper chord steel plate, and the two ends of each n-shapedspring steel plate are respectively fixedly welded with the corresponding edges of the corresponding V-shaped round steel web members. The truss has the advantages that adjustments can be made according to a line form of the curved structure, so that the applicability for curved structures with different curvatures can be achieved; and the truss is reusable.

The invention discloses a cooling device used for machining and relates to the technical field of machining. The cooling device used for machining comprises a fixed base, a supporting device, a work device, a filtering device and a cooling device. The fixed base comprises a fixed bottom plate and a supporting plate. The supporting device comprises a bearing plate and a work plate. The work devicecomprises a sliding block, a work circular truncated cone and an electric box. The electric box is installed on the upper surface of the fixed bottom plate. The filtering device comprises a filteringbox, and the filtering box is installed on the upper surface of the fixed bottom plate. The cooling device comprises a water outlet pipe, a water extracting pipe, a water tank and a control switch. The water tank is welded to the upper surface of the bearing plate, and the control switch is installed on the side surface of a supporting bar. By means of the cooling device used for machining, due tothe supporting device, effective running of other structures is ensured, it is ensured that machining residual slag is filtered out through the filtering device, and the cooling device is increased so that it can be ensured that cooling liquid can be used multiple times.