18results about How to "Guaranteed mechanical strength" patented technology

This utility model discloses a conical installation device for a cartridge filter in an air conditioning unit. The device comprises a top disc, hexagonal bolts, diagonal support rods, fixing rods (in three lengths), internal hexagonal screws, flat washers, and spring washers. This utility model uses a specialized tooling mold for positioning. The diagonal support rods, composed of three round steel pipes arranged in an isosceles triangle and welded into a conical structure, are finished with hexagonal bolts at the ends and secured with a handle locking device. The filter cartridge can be disassembled and assembled without any special tools. This solves the problems of deformation and air leakage caused by insufficient installation strength in cartridge filters, while also shortening installation and disassembly time, ensuring the air conditioning unit can be put into use quickly. It is particularly suitable for air conditioning systems in cigarette factories, welding workshops, and other similar fields.

This invention relates to an adsorption tower and a gas nano-purifier. The adsorption tower includes an outer tube and an inner tube coaxially arranged within the outer tube. The outer tube has a first outlet on its wall. The inner tube includes an inlet section, an adsorption section, and a dust removal section connected sequentially from bottom to top. The inlet section has an inlet on its wall. The adsorption section is filled with adsorbent, and a first filter and a second filter are respectively provided at the connection points between the adsorption section and the inlet and dust removal sections. At least a portion of the sidewalls of the dust removal section is configured as a filter layer. Under purification conditions, the high-pressure gas to be treated enters the inner tube through the inlet, passes sequentially upwards through the adsorption and dust removal sections, enters the annular gap between the inner and outer tubes via the filter layer, and is discharged from the first outlet. Through this configuration, using a tube-in-tube structure with the outer and inner tubes coaxially arranged, the integration of the equipment is improved and its volume is reduced, achieving multi-stage purification of gas within a single component, including diffusion, deep adsorption, and precision dust removal.

The application relates to the technical field of forestry seedling raising and ecological restoration, and discloses a root guiding type full-biodegradable tree planting bag based on hybrid material modification and application, the tree planting bag is an integrally injection molded structure, the inner wall is provided with vertical root guiding edges, and the bottom is provided with a cross-shaped easy-to-crack line; the tree planting bag is longitudinally divided into an upper structure area and a lower degradation promoting area. The upper part is composed of PBAT / PLA and hybrid materials and has high strength and weather resistance; the lower part is composed of PBAT / PPC, hybrid materials and plant fibers and has moisture absorption and rapid degradation characteristics. The hybrid material is a composite in which nano-hydroxyapatite grows in situ on the surface of attapulgite. Through the synergy of the longitudinal gradient material and the physical root guiding structure, long-term shape retention during seedling raising and rapid disintegration of the bottom after planting are realized, the problems of seedling taproot and degradation lag are solved, the degradation products can adjust the pH value of the rhizosphere soil and provide phosphorus and calcium nutrition, and the afforestation survival rate is improved.

The present application relates to a kind of polyamide aerogel film with coordination-covalent double crosslinking network structure and its preparation method and application, with carboxyl-containing diamine, carboxyl-free diamine, diacyl chloride and blocking agent as raw material, solution polymerization is carried out in the presence of organic base, and the polyamide oligomer solution containing polymerizable double bond in end group is obtained;The purified and dried polyamide oligomer is dissolved in aqueous solution containing organic base, and metal salt is added to form coordination crosslinking hydrogel film, and double crosslinking network is constructed by initiating end group double bond polymerization by ultraviolet irradiation, and finally freeze-dried to obtain polyamide aerogel film.The polyamide aerogel film of the present application has high porosity, excellent flexibility and mechanical stability, can efficiently and selectively adsorb heavy metal ions in water body, and can be regenerated efficiently and recycled multiple times by mild acid desorption-alkali activation combined regeneration process, aiming at providing a kind of high-performance, low-cost and sustainable solution for water treatment and environmental remediation field.

This invention relates to the field of pharmaceutical formulation technology, specifically to a sustained-release formulation of rifabutin, and more specifically, to a sustained-release rifabutin formulation composition for treating Helicobacter pylori infection. The key technical point of this invention is that it uses a novel antibiotic for treating Helicobacter pylori infection as the active ingredient, supplemented with specific inactive ingredients, including a hydrophilic gel-type matrix sustained-release material, a swelling agent, a buoyancy aid, and a lubricant. Through the synergistic effect of the hydrophilic gel-type matrix sustained-release material, the swelling agent, and the buoyancy aid, the composition can rapidly swell in gastric juice and maintain a floating state, thereby significantly prolonging the residence time of the formulation in the stomach and upper small intestine. This invention solves the technical problem of conventional formulations having a short residence time in the stomach and requiring frequent administration to maintain an effective antibacterial concentration, achieving the goal of effectively eradicating Helicobacter pylori by reducing the number of doses while maintaining an effective concentration at the site of infection for a longer period.

The utility model relates to an unmanned plane technical field especially is related to a quick -mounting type unmanned plane landing gear charging communication adaptation device, solved unmanned plane landing gear recovery kit installation complex or need to carry out the irreversible structural modification to landing gear, reduce the technical problem of structural stability, it includes T type unmanned plane landing gear assembly, charging communication module, landing gear transverse stiffener group and landing gear wheel body assembly. Through the modularization quick -mounting design, the device need not to carry out destructive processing to unmanned plane original landing gear, can realize the efficient integration of charging and communication function. The present application can significantly improve the installation convenience, keep landing gear original mechanical strength, satisfy the demand of quick deployment and nimble replacement in unmanned plane automatic operation, ensure accurate positioning and stable charging communication simultaneously, provide reliable technical support for unmanned plane hangar and other automatic equipment.

This application relates to the field of molding dies for irregularly shaped mica parts, and in particular to an integrated molding die for burr-free molding. An integrated molding die for burr-free molding includes a female mold and a male mold, which are joined together by a sealing element to form an irregularly shaped mold cavity. The male mold has several injection ports that communicate with the irregularly shaped mold cavity. The male mold is fixedly and sealed with several injection pipes that communicate with the injection ports. The male mold has several liquid level regulating ports that communicate with the edge of the irregularly shaped mold cavity. The male mold is fixedly and sealed with several liquid level regulating pipes that communicate with the liquid level regulating ports. Irregularly shaped mica parts prepared using the above-mentioned integrated molding die for burr-free molding have a low burr rate, eliminating the need for secondary trimming, improving production efficiency, reducing trimming waste, lowering production costs, and enhancing the core competitiveness of irregularly shaped mica parts.

The application belongs to the field of marine corrosion protection and intelligent coating, and relates to an intelligent epoxy resin anticorrosive coating based on a dual-mode early warning and a preparation method. The coating is prepared by modifying epoxy resin (E44) and polypropylene glycol diglycidyl ether (PPGDGE) with 1,10-phenanthroline-5-amino (APhen), and then curing and cross-linking the two epoxy resin prepolymers with polyetheramine (D400) to obtain an epoxy resin anticorrosive coating with a pre-warning function. 2+ Due to the introduction of APhen, the prepared epoxy resin anticorrosive coating has fluorescence performance, can be complexed with Fe 2+ , and obvious visual coloration occurs. With the increase of the concentration of Fe , fluorescence quenching occurs. These two characteristics endow the system with a pre-warning function for local corrosion of a metal substrate. Meanwhile, the intelligent epoxy resin coating prepared based on the interpenetrating network has excellent mechanical properties and wide market prospects. The steps are simple, the operation is convenient, and the practicality is strong.

The utility model relates to a clamp for wheel hub spinning feeding and discharging, including the flange connecting piece of detachable connection in industrial robot end part, the clamping support spare of setting in the both sides of flange connecting piece, the one side of each clamping support spare is equipped with the clamping assembly of sliding relative to clamping support spare, the clearance change between adjacent clamping assembly can clamp or loosen wheel hub, the inside of clamping support spare still is equipped with the drive assembly of drive clamping assembly sliding, the clamp of the utility model has two clamping stations, one station can unload the wheel hub on spinning machine at the same time, industrial robot only needs to rotate the clamp 180 degrees and adjusts the position, another station can put the wheel hub that has not been processed into spinning machine, and the feeding is carried out immediately after unloading.

The utility model discloses a kind of stator assembly of outer rotor motor and outer rotor motor, wherein, a kind of stator assembly of outer rotor motor includes stator core and fixed frame, stator core includes yoke part and multiple tooth parts, yoke part is circular ring structure, multiple tooth parts are ringed in the outside of yoke part, tooth part is set along the radial of yoke part, wire slot is equipped between two tooth parts along the circumferential of yoke part, fixed frame is worn in the inner hole of yoke part, and the both ends of yoke part are clamped.Through the above structure, on the one hand, the yoke part of stator core is optimized from traditional disc to hollow circular ring structure, the redundant silicon steel material of yoke part central region can be reduced, so that the use amount of silicon steel can be reduced, the production cost of stator assembly is reduced;On the other hand, circular ring yoke part can realize the lightweight design of stator core under the premise of guaranteeing mechanical strength, to realize the lightweight design of stator assembly even motor, so it can be beneficial to improve motor efficiency and reduce transportation cost.

This utility model discloses a metal-structured card device integrating near-field communication (NFC) technology. It includes a first metal plate unit and a second metal plate unit bonded together. An ultra-thin NFC module is embedded within the interface area between the first and second metal plate units. The NFC module includes a thin substrate, an antenna etched onto the substrate, a chip body, and an absorbing material for interference suppression. The absorbing material is fixed to the substrate by an adhesive. This utility model embeds an ultra-thin NFC module between the first and second metal plate units, enabling near-field communication for the metal card, overcoming the metal shielding effect, and improving signal stability and sensitivity. The ultra-thin design ensures mechanical strength without increasing thickness, the etched antenna enhances signal transmission accuracy, and the absorbing material reduces metal interference and improves communication reliability. The absorbing material is fixed by the adhesive, ensuring stability, simplifying the manufacturing process, and reducing costs.

The application discloses a circuit board riveting tool, and relates to the technical field of circuit board processing, which comprises a lower die plate and an upper die plate arranged above the lower die plate, wherein the upper die plate is provided with a driving element for driving the upper die plate to move up and down; the top surface of the lower die plate is provided with a plurality of placing rods, the placing rods are provided with arc-shaped circuit boards, the top surface of the placing rods is provided with placing holes, and the placing holes are provided with hollow rivets; the bottom surface of the upper die plate is provided with a plurality of rivet pressing rods corresponding to the hollow rivets, and the rivet pressing rods are provided with rivet pressing plates; the rivet pressing plates are provided with pressure expansion rods, and the diameters of the pressure expansion rods gradually decrease from top to bottom; the pressure expansion rods with gradually decreasing diameters can make the hollow rivets gradually and uniformly deform from the top in the riveting process, reduce the situation that the local pressure is too large, effectively reduce the risk of deformation or even breakage of the hollow rivets, and thus guarantee the mechanical strength of the riveting points and the stability of electrical connection.

This invention discloses a miniaturized log-periodic antenna and its assembly and design methods, belonging to the field of communication antenna technology. The antenna includes a dielectric substrate, a semi-steel cable, an adapter plate, and a copper layer; the copper layer is disposed on the front and back sides of the dielectric substrate; an adapter plate is disposed at one end of the dielectric substrate; the outer shell of the semi-steel cable is welded to the copper layer at the center line of the back side of the dielectric substrate, and the inner core of the semi-steel cable is bent upwards through the side of the dielectric substrate without the adapter plate and then welded to the copper layer on the front side of the dielectric substrate; the antenna operates in the frequency band of 150MHz–400MHz, with a VSWR ≤2, and uses linear polarization. This invention addresses the performance shortcomings of traditional antennas in this frequency band by optimizing the structure of the vibrator and improving the feeding method, enabling it to cover the target frequency band while meeting the lightweight and miniaturized usage requirements of different scenarios.

This application discloses a photovoltaic module and its frame structure. By installing a scraper that can expand and contract with temperature on the lower surface of the top plate of the frame, the scraper can bulge or be flush with the inner side of the top plate when it expands with temperature. Therefore, the dust accumulated between the laminate and the frame can be squeezed inward by the thermal expansion and contraction of the scraper. During rainfall, the dust is washed away by rainwater, and then discharged through the through-holes set on the top plate by the siphon effect, thus achieving a self-cleaning function. This increases the cleanliness of the laminate surface and ensures power generation efficiency. This can extend the cycle of manual dust cleaning. Moreover, the frame structure is intact, and there is no need to remove the top plate or redesign the pressure block, which reduces costs and ensures mechanical strength.

This invention relates to the field of pet material technology, and more particularly to a multi-layered coated olive pit cat litter granule, comprising a core layer, a middle layer, and an outer layer. The core layer contains olive pit particles with a particle size of 1.5–3.0 mm. The middle layer coats the outer surface of the core layer and contains guar gum, sodium carboxymethyl cellulose, and zeolite powder. The outer layer coats the outer surface of the middle layer and contains ZAG complex, sodium bicarbonate, vegetable oil, and surfactant. The multi-layered coated olive pit cat litter granule provided by this invention achieves significant improvements in comprehensive performance across multiple dimensions, including water absorption, breakage resistance, deodorization, and antibacterial properties.

This application provides a rotor lamination and a motor. The rotor lamination includes a ring-shaped rotor core with multiple mounting slots arranged sequentially around the center point of the ring structure. Each mounting slot contains a magnet. The rotor core also includes: a first magnetic isolation bridge, adjacent to the end of the magnet closest to the center point and closer to the center point than the magnet; a second magnetic isolation bridge, located between adjacent magnets; and a third magnetic isolation bridge, adjacent to the end of the second magnetic isolation bridge closest to the center point and closer to the center point than the second magnetic isolation bridge. A support rib is provided between the third and second magnetic isolation bridges. The support rib can improve the strength of the parts in the area where the magnetic isolation bridges are located, preventing the area from being too soft and causing deformation and damage.