4results about How to "Processable" patented technology

The utility model relates to a kind of low-pressure reverse-arch precise bursting disc device, including reverse-arch diaphragm and reinforcing support ring, its technical key points are: reverse-arch diaphragm is composed of spherical crown reverse-arch structure, clamping portion located in the outer periphery of spherical crown reverse-arch structure, the ratio of arch height and diameter of spherical crown reverse-arch structure is 1:6, the convex side dome top center of spherical crown reverse-arch structure is equipped with weak concave point, the concave side of spherical crown reverse-arch structure is equipped with annular score groove, the groove depth of annular score groove is 60%~70% of reverse-arch diaphragm thickness, reinforcing support ring and the clamping portion of reverse-arch diaphragm are fixedly connected and located on the concave side of reverse-arch diaphragm, the inner edge of reinforcing support ring is equipped with the baffle corresponding to the root of annular score groove and the tooth profile structure corresponding to the top of annular score groove. The device realizes that bursting pressure error is ≤±5% by optimizing arch structure and score design, with the characteristics of accurate control of bursting pressure, high sealing property and long cycle life.

The invention relates to the technical field of high polymer materials, and particularly discloses an air duct cover plate injection molding part and a preparation method thereof. The invention discloses an air duct cover plate injection molding part which comprises the following components: 70-90 parts of HIPS (High Impact Polystyrene) resin, 3-10 parts of master batch A and 10-17 parts of master batch B, the master batch A is prepared from the following components in parts by weight: 20-30 parts of PET, 5-8 parts of a toughening agent and 1-2 parts of an antioxidant; the master batch B is prepared from the following components: 20 to 30 parts of PET (Polyethylene Terephthalate), 8 to 15 parts of a lubricant and 8 to 15 parts of modified montmorillonite. By utilizing the technical scheme provided by the invention, the prepared air duct cover plate injection molding part material has excellent impact resistance, excellent ethanol resistance and excellent grease resistance, and is particularly suitable for ventilation systems of automobiles and various equipment.

The utility model provides a kind of valve air bellow dust collection device, comprising: several valve air bellow, several dust collecting plate and dust removal pipeline;All the valve air bellow are arranged side by side and are sequentially sealed connection, each valve air bellow includes box, deflector and valve assembly, the deflector is located at the lower end of box.The utility model is by being provided with the structure of valve air bellow, dust collecting plate and air pipe, and high-efficiency dust collection function is realized in cooperation.Valve air bellow has independent valve control structure, for adjusting air volume and controlling airflow direction;Dust collecting plate is arranged below air bellow, its inlet end is connected with material loading area, and dispersed dust can be effectively collected;Main pipeline connects air bellow with central dust removal system, realizes the centralized collection and processing of dust.Through the above structure design, not only improve dust collection efficiency, but also can flexibly adjust air volume according to different working conditions, reduce the pollution of dust dispersion to environment, and improve the adaptability and durability of equipment.

The application discloses a space electromechanical thermal fusion type micro driving mechanism, which comprises an external structure and a drive control integrated shaft system; the external structure comprises a left outer surface assembly, a right outer surface assembly, a load support, a back cover plate, a fine measurement lens assembly, a locking assembly and a front cover plate; the left outer surface assembly comprises a left shaft system support, a left connector panel, a left adapter support and a left support locking nut; the right outer surface assembly comprises a right shaft system support, a right connector panel, a right adapter support and a right support locking nut; the drive control integrated shaft system comprises a core shaft assembly, a control assembly, a bottom cover plate, a connector assembly and a micro stress detection device; the core shaft assembly comprises, from left to right, a core shaft, a left bearing locking nut, a left bearing seat, a left bearing spacer, a left bearing, a permanent magnet synchronous motor, a right bearing spacer, a right bearing, a right bearing seat and a right bearing locking nut. The application has a long service life, high precision, programming and information processing capabilities.