10results about How to "Improve dustproof" patented technology

The utility model relates to the technical field of LED display structures, in particular to an efficient heat dissipation LED display structure which comprises a base material layer, a chip layer, an optical adjustment layer and a packaging protection layer, the base material layer is arranged at the bottommost layer, the chip layer is arranged at the upper end of the base material layer, the optical adjustment layer is arranged at the upper end of the chip layer, and the packaging protection layer is arranged at the lower end of the optical adjustment layer. The packaging protection layer is arranged at the upper end of the optical adjustment layer; the chip layer and the base material layer are connected in a bonding mode, and a gap position between the chip layer and the base material layer is filled with a reflective glue filling layer; the optical adjustment layer is attached to the surface of the chip layer; and the packaging protection layer is cured on the surface of the optical adjustment layer.

The invention relates to the technical field of building punching equipment, in particular to a lifting type punching device for high-altitude drilling, which comprises a base, four rollers are arranged on the lower side of the base, a supporting pipe is fixedly mounted in the center of the upper end face of the base, a sliding rod is slidably mounted on the inner wall of the supporting pipe, and the sections of the supporting pipe and the sliding rod are rectangular. The electric drill is arranged on the supporting rod, accurate lifting of the electric drill in the vertical direction is achieved by means of sliding connection between the sliding rod and the supporting pipe and stable thrust provided by the feeding unit, the percent of pass of follow-up anchor bolt installation is further improved, meanwhile, the electric drill is arranged on the supporting rod in a sliding mode, and meanwhile the machining efficiency is improved. Four rollers are arranged on the lower side of the base of the device, so that the transfer efficiency of the device is improved, the working efficiency is improved, the labor intensity is reduced, a storage battery is adopted as a power supply, the complexity of continuously changing the power supply wiring position in the working process is avoided, and the safety risk of operators is further reduced.

The utility model provides an LED lamp panel dustproof structure which comprises a heat dissipation rear cover, the upper surface of the heat dissipation rear cover is fixedly connected with a heat dissipation side plate and an LED lamp bead plate, main heat dissipation grooves are symmetrically formed in the lower surface of the heat dissipation rear cover, the upper end of the inner side face of the heat dissipation side plate is fixedly connected with a limiting ring, and the upper surface of the limiting ring is movably connected with a light guide plate. Sealing grooves are formed in the upper surfaces of the heat dissipation side plates, sealing layers are fixedly connected into the sealing grooves, meanwhile, the inner side face of the mounting frame is fixedly connected with a light-transmitting plate, the outer side face of the mounting frame is symmetrically connected with fixing plates, the ends, away from the mounting frame, of the fixing plates are fixedly connected with clamping blocks, and the clamping blocks are fixedly connected into clamping grooves formed in the end face of the heat dissipation rear cover. According to the LED lamp panel, through the cooperation of the mounting frame, the fastening plate, the sealing layer, the fastening layer, the fixing plate and the clamping block, the sealing performance of the connecting position between the mounting frame and the heat dissipation side plate can be effectively enhanced, so that the overall dustproof and moistureproof effects of the LED lamp panel are enhanced, and the probability that the LED lamp panel breaks down is reduced.

The utility model provides a novel magnetic suction sealing strip which comprises a double-face magnetic strip, a weak magnetic part and a strong magnetic part are arranged at the two ends of the double-face magnetic strip respectively, and the weak magnetic part is inwards inserted into a metal frame of the magnetic suction sealing strip. A sealing strip is arranged on the outer side of the magnetic suction sealing strip metal frame, and the sealing strip and the magnetic suction sealing strip metal frame wrap the double-sided magnetic strip inside; the outer frame is installed in the door body, a sliding groove is formed in the outer side wall of the outer frame, and the magnetic attraction sealing strip metal frame penetrates through the sliding groove to be movably inserted into the outer frame. A magnetic strip which attracts the weak magnetic part is inserted into the outer frame; according to the novel magnetic attraction sealing strip, when the door is closed, the strong magnetic part can attract the strong magnetic part of the side door, and the sealing effect is achieved; when the door is opened, the weak magnetic part attracts the magnetic strip, the magnetic attraction sealing strip metal frame and the sealing strip on the magnetic attraction sealing strip metal frame can be contained in the outer frame, the sealing strip is protected, the service life of the sealing strip is prolonged, and meanwhile the attractiveness of the door is improved.

This invention provides a purging device and semiconductor deposition equipment, overcoming the shortcomings of uneven purging and inability to form a complete gas curtain in the transport channel of existing MOCVD equipment. The device sets the first and second purging channels at specific angles, so that the two airflows converge in the chamber in front of the valve plate and are located inside the chamber, thereby forming a fully enclosed protective gas curtain from top to bottom without dead angles. This effectively blocks the diffusion of reactive gases to the valve plate side, improves the dustproof and heat protection effect of the valve plate, and enhances the operational stability and safety of the equipment.

The utility model relates to an eddy current sensor relates to sensor technical field for solving the problem of insufficient dustproof and oil stain resistance of existing eddy current sensor, and the utility model discloses an eddy current sensor, including sensor body, dustproof part, outer sealing ring and inner sealing ring, sensor body has the distribution of arc main part, convex portion and data joint in proper order, and arc main part, convex portion and data joint fixed connection, the inside of dustproof part forms and annular sleeve surface of abutment plane, is seted up with installation hole on dustproof part, and installation hole penetrates abutment plane, and the end face of abutment plane of dustproof part is away from arc main part and is abutted with convex portion, and annular sleeve surface is sleeved on the torus of convex portion, and data joint is located in installation hole, the outer ring of annular sleeve surface of dustproof part is provided with outer annular groove, and sealing ring is seted up in outer annular groove, and the inner ring of abutment plane and is located in installation hole is provided with inner annular groove, and inner sealing ring is seted up in inner annular groove.

The utility model discloses a luminous ball for physical training, which relates to the technical field of physical training equipment and comprises a ball body provided with a luminous component and a valve core. The ball wall of the ball body is further provided with a through hole located in the opposite side of the valve core. A charging interface base of the light-emitting assembly is of a cylindrical structure and is in interference fit with the through hole, a control panel, a battery and a lamp of the light-emitting assembly are all located in the ball body, and a charging interface of the charging interface base faces the outer side of the ball body; except the charging interface of the charging interface seat, the light-emitting component at least wraps the area except the light-emitting part of the lamp by a waterproof elastic dense film layer. The waterproof ball is simple in structure, low in production cost, high in assembly efficiency, excellent in waterproof performance, suitable for various sports scenes such as rugby footballs, basketballs, volleyballs and footballs, and high in practical value and market prospect.

The utility model relates to the field of building decoration, and particularly discloses an assembled wooden door. The assembled wooden door comprises a door frame and a door leaf hinged to the inner side of the door frame, the door leaf comprises a frame, an upper door core plate and a lower door core plate, a plurality of hinges are fixedly connected to one side of the frame and fixedly connected with the inner wall of one side of the door frame, the upper end of the frame is fixedly connected with an upper cap connected with the upper door core plate, and the lower end of the frame is fixedly connected with a lower cap connected with the lower door core plate. The lower end of the frame is fixedly connected with a lower cap connected with the lower door core plate, a middle cap fixedly connected with the frame is connected between the upper door core plate and the lower door core plate, one side of the middle cap is connected with a locking plate used for locking the upper door core plate and the lower door core plate, and a fastener in threaded connection with the middle cap is arranged on the locking plate in a penetrating mode. When the door core is locally damaged, the whole door does not need to be disassembled, only the damaged door core plate needs to be replaced, the maintenance workload can be reduced, the required time can be shortened, the maintenance cost is effectively reduced, and the practicability of the wooden door is improved.

The application belongs to the technical field of electrical equipment, and particularly relates to a power relay and a protection device thereof. The relay comprises a shell, the shell is provided with an element module for realizing a relay function, both sides of the shell are provided with external contact points connected with the element module, a bolt is mounted on each of the external contact points, a partition plate is arranged on both sides of each of the external contact points, an air flow groove is formed in the side wall of the shell corresponding to the external contact point, a heat dissipation mechanism is mounted on the shell, and the heat dissipation mechanism comprises a protection cover body covering the shell. The application can better perform heat dissipation treatment on the internal elements of the relay device, the heat dissipation mechanism is used for directly replacing hot air, the protection cover body can further enhance the protection performance of the relay, and the auxiliary fan and the heat dissipation fan can be used to perform cooling treatment on the relay and the wire connecting point connected with the wire during long-term operation of the relay, so that a good equipment operation environment is maintained, and the overall dustproof and protection capability of the relay is further improved.

This utility model provides a data security encrypted transmission device, relating to the field of data security technology. It solves the problem that when carrying the device, it is often accidentally dropped, causing impacts and damage, thus affecting the device's lifespan. The data security encrypted transmission device includes: a data USB flash drive with a protective shell attached externally; when carrying the transmission device, the data USB flash drive is inserted into the protective shell, and the rear end of the data USB flash drive is firmly secured by a limiting head, ensuring that it will not loosen or fall off during transportation or under vibration, thereby significantly improving the stability of data storage. At the same time, the high-strength material of the protective shell can effectively resist physical impacts, electromagnetic interference, and harsh environmental factors, significantly enhancing the data USB flash drive's drop-proof, dust-proof, and waterproof performance, thus comprehensively protecting the storage security of sensitive data.