11results about How to "Improve occlusion effect" patented technology

The utility model discloses a pressing device for processing a glass fiber board, which belongs to the technical field of glass fiber boards and comprises a processing table for processing the glass fiber board, and the top surface of the processing table is connected with a processing board for placing the glass fiber board; the press-fit assembly for press-fit processing of the glass fiber board comprises a shielding ring and a press-fit plate for press-fit processing of the glass fiber board, the shielding ring is connected to the side face of the press-fit plate in a sleeving mode, two fixing plates are connected to the inner ring face of the shielding ring, fixing rods are connected to the top faces of the fixing plates in an embedded and sliding mode, and the bottom faces of the two fixing rods are fixedly connected with the press-fit plate. A fixing block is connected to the top face of the fixing rod, two pressurizing springs are arranged on the upper portion of the pressing plate and connected to the side face of the fixing rod in a sleeving mode, the two end faces of each pressurizing spring are connected with the fixing plate and the fixing block correspondingly, and the size of the pressing plate is the same as that of a machining plate. And the use safety of the device is improved.

According to the display panel, the preparation method of the display panel and the display panel, the laminated structure of the film layer is adjusted, so that the distance between the active layer and the light shielding layer in the display panel is close, the influence of the distance on the shielding effect of the light shielding layer is reduced, the light shielding effect of the light shielding layer on the active layer can be improved, and the adverse influence of illumination on the active layer is reduced.

The application discloses a preparation method of an alumina aerogel heat insulation felt, and comprises the following steps: adding an aluminum source precursor into a ketone substance to form a precursor solution through sufficient dissolution; adding an alcohol solvent containing a silicon source precursor, an amine substance and a catalyst into the precursor solution to form an alumina sol through uniform stirring; adding a surfactant into the alumina sol to form an alumina sol containing a light shielding agent through uniform stirring; adding light shielding agent particles into the alumina sol to form the alumina sol containing the light shielding agent; immersing a ceramic fiber felt into the alumina sol containing the light shielding agent to perform gel aging, so as to obtain a fiber felt / gel composite; and performing drying and heat treatment on the fiber felt / gel composite, so as to obtain the alumina aerogel heat insulation felt. The alumina aerogel heat insulation felt prepared by the method has the advantages of high temperature resistance, excellent heat insulation performance and good flexibility.

The invention relates to a fender maintenance cover and a motorcycle, the fender maintenance cover comprises a top edge, a bottom edge, a first side edge and a second side edge, and the top edge, the first side edge, the bottom edge and the second side edge jointly define an air inlet; the air inlet comprises a middle air inlet area, a first side air inlet area, a second side air inlet area and a bottom air inlet area; first grid strips are arranged in the middle air inlet area and extend in the horizontal direction; the first side air inlet area is provided with a second grating strip, and the second grating strip is parallel to the second side edge; the second side air inlet area is provided with a third grating strip, and the third grating strip is parallel to the second side edge; the bottom air inlet area is provided with fourth grid strips, and the fourth grid strips are obliquely arranged in the direction from the air inlet side to the air outlet side of the fender maintenance cover and gradually close to the bottom edge. The fender maintenance cover can improve the air inlet amount and the air inlet uniformity of the radiator.

The application relates to a laser welding device and belongs to the technical field of fin laser processing, which comprises a welding machine table, a cross beam and a welding head. The cross beam is slidably arranged on the welding machine table, and the welding head is slidably arranged on the cross beam and slides along the length direction of the cross beam and in a direction perpendicular to the welding machine table. A first mounting ring is arranged on the welding head, a plurality of shielding plates are arranged on the first mounting ring, and the shielding plates are arranged in a circumferential direction of the outer ring of the first mounting ring and surround the welding head. The shielding plates are slidably arranged on the first mounting ring, the bottom of the shielding plate is supported on the fin when the welding head welds the fin, the shielding plate is slidably arranged on the first mounting ring, the bottom of the shielding plate is supported on the fin when the welding head welds the fin, a preheating piece is arranged on the shielding plate, the preheating piece is used for absorbing heat generated in a welding process and storing the heat, and the heat is transmitted to the next fin to be processed. The application has the effect of improving the welding safety of the fin.

This application relates to the field of interventional surgery for liver cancer and discloses a novel catheter for interventional surgery of liver cancer via the radial artery approach. The catheter includes a connector and two adjusting tubes. The top of the connector is connected to a connecting tube, and one end of the connector is connected to an insertion tube. The center of the insertion tube and the center of the connector are on the same straight line. Several control frames are fixedly installed on the surface of the adjusting tube, and an installation groove is formed in the inner wall of the adjusting tube. One end of each of the two adjusting tubes is fixedly connected to a connecting frame. The inner wall of the installation groove engages with the surface of the insertion tube, and the dimensions of the inner wall of the installation groove are compatible with the dimensions of the insertion tube surface. This application connects the installation grooves in the two adjusting tubes to the surface of the insertion tube, and the control frames are installed on the surface of the adjusting tubes. The two adjusting frames are connected by connecting frames, so that after the entire catheter is removed from the packaging bag, the surface of the insertion tube can be covered by the adjusting tubes, and the adjusting tubes can be easily retracted by moving the control frames.

This invention discloses an adjustable light-transmitting automotive windshield system and automotive product. This invention allows for a reduction in the light transmittance of only the adjustable light-transmitting area unit within the control area, while maintaining a high light transmittance for the adjustable light-transmitting area units outside the control area. This weakens the intensity of strong light sources observed by the driver, reducing glare and discomfort caused by intense light emitted from external light sources, thus improving the driving experience and safety. Furthermore, this invention allows for the blocking of strong light from all directions, improving the ability to block strong light and reducing adverse consequences such as limited driver visibility caused by improper blocking. Moreover, the adjustable light-transmitting automotive windshield system operates without driver intervention, reducing the possibility of driver distraction and ensuring driving safety. This invention has wide applications in the automotive technology field.

The utility model discloses a fishing raft assembly which comprises an installation base, fixing rods are fixedly connected to the two sides of the upper portion of the installation base, guardrail assemblies are installed on the inner sides of the fixing rods, protection mechanisms are installed on the inner sides of the upper portions of the fixing rods, and limiting mechanisms are installed on the upper portion of the installation base. The outer side of the fixing rod is fixedly connected with a splicing mechanism. The first bolts penetrate through the fixing frames to be in threaded connection with the fixing rods, the mounting bases, the fixing rods and the fixing frames can be combined to form a protective fence for use, the mounting bases are mounted on the two sides of the fishing raft, the safety of the fishing raft during use can be improved, the third bolts penetrate through the pressing plates and the mounting bases to be in threaded connection with the fishing raft, and the safety of the fishing raft is improved. And when the mounting base is mounted, the pressing plate is used for limiting and pressing the lower part of the protective blocking net, so that the protective blocking net is unfolded, and the shielding effect is improved.

The utility model discloses a construction machinery-based aloft work anti-falling structure, which comprises a protective fence body, a sunshade assembly and a moving assembly, the sunshade assembly comprises a moving frame, the moving frame is arranged at the top of the protective fence body, the front side of the moving frame is fixedly connected with a long strip, the front side of the long strip is provided with a sliding groove, and the sliding groove is arranged in the sliding groove. And baffles are fixedly connected to the two sides of the long strip, the baffles are located on the front side of the long strip, a movable plate is slidably connected to the interior of the sliding groove and located on the inner sides of the baffles, and sunshade cloth is fixedly connected to the right side of the movable plate and located on the top of the protective fence body. The sunshade assembly is used for carrying out sunshade protection on a worker, when the worker is subjected to anti-falling protection, sunlight is prevented from directly irradiating the surface of the body of the worker, the worker is prevented from being sunstroke due to dehydration, high light is prevented from influencing aerial work of the worker, and the working efficiency of the worker is improved.

This application provides an arc-extinguishing system and a circuit breaker, belonging to the field of electrical equipment technology. The arc-extinguishing system provided in this application includes a stationary contact, an arc-extinguishing chamber, and a stationary cover. The stationary contact includes a fixed part and a contact part connected to each other. The fixed part is connected to the base of the circuit breaker, and the contact part has a guide groove that extends through the contact part. The arc-extinguishing chamber is disposed on the contact part. The stationary cover is disposed on the portion of the contact part that does not contact the arc-extinguishing chamber. A hook and a limiting block are provided on the side of the stationary cover facing the contact part. The hook passes through the guide groove and hooks to the side of the contact part facing away from the stationary cover. The limiting block is located within the guide groove and contacts the groove wall. The stationary cover mentioned in this application can limit the position of the stationary cover in the thickness, length, and width directions of the stationary contact, reducing the probability of changes in the relative position between the stationary cover and the stationary contact. This improves the shielding efficiency of the stationary cover on the contact part, thereby increasing the reliability of the arc-extinguishing system.

The utility model relates to the technical field of urban environmental governance, in particular to an urban wasteland ecological restoration structure which comprises a laying box, a box cover is hinged to the laying box, a net binding shaft is rotatably arranged between the box cover and the laying box, and a shaft groove for the net binding shaft to rotate is jointly formed between the box cover and the laying box. A fixing part for fixing is arranged between the box cover and the laying box, a covering net is wound on the net binding shaft, the covering net is made of a green and degradable material, a plurality of seeds are arranged on the covering net, a cutting assembly and a body binding part are arranged on the laying box, the cutting assembly is used for cutting the covering net, and the body binding part is used for fixing the laying box to the back of a worker. The method has the effects of beautifying the urban environment and automatically restoring ecology.