18results about How to "Isolate pollution" patented technology

The utility model relates to the technical field of photovoltaic solar cell processing, in particular to a photovoltaic laser reflector, which comprises a reflector body, a reflector frame and an adjusting device, the lens frame comprises a laser incident hole, a laser emergent hole and a lens cavity for accommodating the lens and the assembly body; the adjusting device comprises an adjusting plate and an adjusting piece, the adjusting device is adjustably arranged on the mirror frame, and the adjusting piece adjusts the laser emitting angle by changing the angle between the assembling body and the adjusting plate. According to the utility model, the polygonal mirror frame is designed to form the mirror cavity capable of simultaneously accommodating the reflecting light path and the mirror body, and the mirror body is directly sealed in the mirror cavity, so that the pollution of dust and water vapor can be isolated. The angle of the lens body is directly adjusted in the sealed lens cavity through the adjusting device, the operation difficulty of lens adjustment is reduced, the configuration structure of the mode is simple, and the good adjusting stroke can be achieved while the sealing performance is considered.

The invention belongs to the technical field of biomedical equipment, and relates to a tongue picture electronic observation mirror based on traditional Chinese medicine inspection diagnosis, which comprises a box body and a face fitting opening. A transparent flexible isolating membrane is arranged in the box body and divides the inner cavity into an equipment cavity and an inspection cavity, and the image acquisition and light supplement device is arranged in the protected equipment cavity. A ventilation and purification device is arranged in the examination cavity, and an environment sensor and a human body induction sensor are arranged. And the control unit automatically executes a cooperative control process of firstly starting the ventilation and purification device to disinfect and purify the examination cavity, then driving the automatic rolling and replacing device to update a section of isolating membrane after the environment reaches the standard and finally recovering the micro-positive pressure state in the examination cavity after each time of use according to a sensor signal. Through deep integration of physical isolation, dynamic purification and intelligent control, lasting protection of core equipment is achieved, cross infection is completely eradicated, and clearness and standards of tongue pictures are guaranteed under various use conditions.

The invention discloses a modular combined medical trolley for physical examination, and belongs to the technical field of medical nursing instruments. The device comprises a main body frame, a shear type lifting frame and universal wheels are arranged in the frame, a weighing plate capable of horizontally rotating is arranged behind the top, and a lifting plate driven by a driving screw rod is arranged in front of the top. The driving lead screw drives the worm to rotate through the first bevel gear and the second bevel gear which are meshed with each other, and reverse threads at the two ends of the worm are meshed with worm gear teeth at the bottoms of the movable frames to drive the movable frames on the two sides to be unfolded or folded synchronously. And a pull-out drawer and a waste bin with a sterilizing lamp tube are arranged behind the frame. Linkage control over lifting of the lifting plate and unfolding of the movable frame is achieved, and the working process is optimized; the weighing plate can be rotated to be under the body of the bedridden patient to complete weight measurement; the integrated design meets the multifunctional requirements for rapid equipment unfolding, waste sterilization treatment and the like in patrol physical examination, and the space utilization efficiency and operation convenience are remarkably improved.

The invention discloses medical amorphous hydrogel and a preparation method thereof, and relates to the technical field of medical amorphous hydrogel, and the medical amorphous hydrogel is prepared from the following components by mass: 0.2-3% of a gel matrix; 0.1%-0.8% of a thickening agent; 0.8%-5% of a humectant; 0.01%-0.4% of a preservative; 0.2%-0.5% of a neutralizing agent; and the balance of purified water. The amorphous hydrogel provided by the invention can be tightly attached to a burn wound surface, not only can be used for moistening the wound surface and efficiently absorbing or discharging wound surface seepage, but also can be used for absorbing wound surface energy so as to relieve pain and cool skin, and meanwhile, air pollution protection is realized by virtue of a base material, so that an excellent environment is provided for healing of the burn wound surface.

The utility model discloses a placing table for semiconductor processing equipment parts, which comprises a protection box, a table plate is arranged at a position close to the top in the protection box, a placing groove is arranged at the top of the table plate, a threaded column is arranged at a position close to the bottom in the protection box, a motor is arranged at the bottom of one side of the protection box, and a clamping groove is arranged at the bottom of the motor. Internal thread plates are arranged at the positions, close to the two sides, of the surface of the threaded column, and a sliding groove is formed in the center of the bottom of the table plate. According to the placement table for the parts of the semiconductor processing equipment, through the design of the protection box, the table plate, the threaded column, the motor, an internal threaded plate, a sliding groove, a sliding block, a first hinge seat, a second hinge seat, a movable cross rod, a winding roller and shielding cloth, the motor drives the threaded column to rotate and drives the internal threaded plate to move, so that the movable cross rod shrinks, and the table plate is pushed to descend into the protection box; parts are stored in a closed space, and pollution of external dust is isolated.

This utility model provides a protective door for a linear guideway grinding machine, belonging to the technical field of grinding machine equipment. It solves the technical problems of poor protective effect in existing technologies. The protective door of this linear guideway grinding machine includes a first protective door and a second protective door with an inverted U-shaped vertical cross-section. The first and second protective doors are stacked and can move along the axial direction of the grinding machine's worktable until they overlap. At least one side of the first and second protective doors is slidably connected to a protective door slide rail on the same side via a common rail sliding mechanism, allowing the first and second protective doors to slide independently and overlap on the protective door slide rail. This utility model has the advantages of good protective effect, compact structure, and strong safety.

A method for preparing and applying a nano-removable coating that can isolate saliva contamination and improve the bonding strength of zirconia restorations. The method includes the following steps: (1) cleaning the substrate material; (2) preparing a tannic acid solution and a ferric chloride hexahydrate solution; (3) sequentially adding the ferric chloride hexahydrate solution and tannic acid solution to the cleaned substrate material, vortexing, adjusting the pH value, continuing vortexing, washing, and drying to obtain a nano-removable coating that can isolate saliva contamination and improve the bonding strength of zirconia restorations. The MPN coating provided by this invention can effectively isolate the interaction between proteins and the zirconia substrate material, overcoming saliva contamination caused during restoration trial. It can be pre-coated before trial and removed before clinical bonding. Furthermore, the bonding durability of zirconia restorations treated with this MPN coating is close to that of zirconia restorations treated with cleaning agents, and superior to zirconia restorations treated with Ivoclean cleaning agent.

The utility model relates to the technical field of rack, concretely is the rack for waterproof material production, including the bottom plate, the upper end surface fixed mounting of bottom plate has the shell, the inside right end surface fixed mounting of shell has the motor, the output shaft end fixed mounting of motor has the rotating ring, the left end surface rotation of rotating ring is connected with the pivot, the outer surface of pivot is equipped with the cross bar, the upper end surface of cross bar is set up and has the placement slot, the right end surface rotation of placement slot is connected with the sleeve. The utility model discloses through setting up the protection mechanism and the ventilation equipment, the waterproof material in the placement slot is effectively protected, and the outside dust and impurity pollution are isolated, ensure the clean and stable of material storage environment, can start the ventilation equipment regularly to the inside of placement slot is ventilated and is handled, is blown out the equipment in keeping dry while, reduces the artificial cleaning frequency, promotes the use convenience and material conservation quality, prolongs the storage period and performance stability of waterproof material.

The utility model discloses a kind of ultra-high purity composite structure stainless steel pipes for semiconductor, it is related to semiconductor material conveying technical field, including outer layer base pipe and inner layer cladding pipe arranged in outer layer base pipe, vacuum insulation layer is arranged between outer layer base pipe and inner layer cladding pipe, and the outside of outer layer base pipe is provided with protective layer, and the outside of outer layer base pipe is provided with suction hole. The ultra-high purity composite structure stainless steel pipe for semiconductor, the performance and economy are considered, only in the inner layer using expensive VIM+VAR grade material with medium contact, thickness is thinner;Outer layer uses ordinary 316L material pressure, substantially reduces raw material cost, and the cost performance is extremely high;Double protection ultra-high purity: vacuum insulation layer effectively prevents the impurities in outer layer base pipe from migrating to inner layer flow passage by grain boundary diffusion and other ways, can also isolate the pollution of external environment to inner layer flow passage, and reliability is far more than single material pipe.

The utility model relates to quick change type cutter processing technical field discloses a kind of quick change type cotton breaking cutter module, including workbench, and the workbench outer wall is provided with quick change assembly: the quick change assembly includes protective cover two, the inner wall of protective cover two is provided with three bevel gears, the outer wall of three the bevel gear is uniformly fixedly connected with nut, two the outer wall of nut is rotatably connected with U-shaped connecting rod, the lower surface of bevel gear is fixedly connected with transmission shaft, the outer wall of workbench is fixedly connected with protective cover three, the inner wall of protective cover three is fixedly connected with servo motor. In the utility model, servo motor drives bevel gear set, transmission shaft and other components accurate power transmission, U-shaped connecting rod ensures transmission synchronism, cooperates the quick locking of sliding lock catch and spring plunger, unlocking mechanism, improves tool changing efficiency, the cooperation of positioning steel ball and locking sleeve ensures dismounting positioning accuracy, avoids artificial alignment error, and quality stability is guaranteed.

This invention provides a spray head, a reaction chamber, and a maintenance method thereof. The spray head includes an upper cover plate, a spray plate, and a lower cover plate. The upper cover plate has an air inlet for connecting to an air source. One side of the spray plate faces the upper cover plate, and the other side faces the reaction chamber. After the reaction chamber is opened, the lower cover plate is detachably and sealingly installed on the side of the spray plate facing the reaction chamber.

The utility model discloses an automatic roll device relates to the automatic roll technology field of food factory, it includes belt conveyor, and the at least one side of belt conveyor is installed with support frame, and the support frame is located the side with the connection shaft that is connected with above belt conveyor, and the chain net of the long strip shape is connected with one side of connection shaft, and the chain net of near connection shaft one side top is provided with a plurality of front counterweight round steel, and the front counterweight round steel one side interval is provided with rear counterweight round steel, and the belt conveyor is placed with the surface cake, and the surface cake is sent forward in the process, under the gravity effect of through chain net and front counterweight round steel and rear counterweight round steel, will the surface cake roll up. The utility model effectively solved the defect in the present manual technique, greatly improved the production efficiency, and the roll cake structure is simple, and the operation is stable and reliable, and the failure rate is low, and the degree of automation is high, and the price is low.

This invention provides a biological indicator device for monitoring the effectiveness of environmental decontamination. The device includes a bottle body and an insert. The bottle body contains a reagent chamber with a sealing film inside. The insert includes a bottle cap with a sealing body and a bacterial strip. A microbial barrier and a breathable component are positioned between the bottle cap and the bottle body. In its initial state, the bottle cap, the breathable component, the bottle body, and the sealing film together form a closed cavity, within which the bacterial strip is located. In its closed state, the sealing body is in sealing contact with the opening of the reagent chamber, and the bacterial strip is inserted into the reagent chamber. This invention is simple to operate and prevents external microorganisms from entering the reagent chamber during cultivation, thus improving the reliability of the test results.

The invention belongs to the technical field of spraying equipment, and discloses continuous vacuum nano-film spraying equipment which is used for material processing and comprises a control assembly, a plasma cleaning chamber, a spraying chamber and a curing chamber, and the plasma cleaning chamber, the spraying chamber and the curing chamber are communicated in sequence. A second inner gate is arranged at the joint of the spraying chamber and the curing chamber, a first outer gate is arranged on the side, away from the spraying chamber, of the plasma cleaning chamber, a second outer gate is arranged on the side, away from the spraying chamber, of the curing chamber, the plasma cleaning chamber, the spraying chamber and the curing chamber are all connected with a vacuumizing device, and a first transmission set is arranged in the plasma cleaning chamber. A second conveying set is arranged in the spraying chamber, a third conveying set is arranged in the curing chamber, and the first conveying set, the second conveying set and the third conveying set are used for moving materials. The nano-film spraying equipment has the beneficial effects that full-process vacuum continuous operation can be realized, a multi-process function is integrated, and the coating quality is accurately controlled.

The invention belongs to the technical field of clutches, and particularly relates to a heat dissipation type fan clutch assembly capable of avoiding dust accumulation. The tops of the driving shafts at the two ends are fixedly connected with a driving plate, the driving shafts are rotationally sleeved with a rear cover, the driving plate is contained in a space between the rear cover and a front cover which are connected in a sealed mode, an oil storage cavity is defined by the top face of the driving plate and the inner wall of the front cover, and multiple concentric circular ring teeth are arranged on the end face, close to the outer edge, of the driving plate. The circular ring teeth on the upper end face and the lower end face are contained in the corresponding front cover tooth grooves and the corresponding rear cover tooth grooves and define meshing cavities, an oil inlet channel communicated with the meshing cavities is formed in the driving plate, and an oil return channel communicated with the meshing cavities and the oil storage cavity is formed in the front cover. According to the invention, accumulated dust and greasy dirt at the joint of the shell and the rear cover body can be automatically cleaned in real time; the rotating stability of the driving shaft can be improved; and oil pollution and tooth groove blockage caused by entering of external impurities can be reduced.

A battery powder wet method sieving device, including a sieving frame, a placing plate, a sieving upper cover and a sieving stirring assembly; the sieving frame is placed on the placing plate, the middle part of the placing plate has a flow guide opening, the bottom surface of the sieving cavity of the sieving frame is a sieve screen located at the flow guide opening, and the sieving upper cover is detachably sealed and covered on the top surface of the sieving cavity of the sieving frame; the sieving stirring assembly includes a sieving stirring shaft and a sieving stirring motor, and the end of the sieving stirring shaft close to the sieve screen is provided with a scraper. Therefore, the sieving device can automatically filter the foreign matters in the slurry safely, without pollution and without external overflow, has good sieving efficiency, can conveniently take out or replace the sieving frame after sieving, so as to conveniently realize the extraction and separation of foreign matters and guarantee continuous production.

A novel combustion chamber sealing structure belongs to the technical field of engine combustion chamber sealing equipment and comprises a cylinder body and a cylinder cover covering the peripheral edge of the upper surface of a tank body, a combustion chamber is arranged in the middle of the upper portion of the tank body, and the novel combustion chamber sealing structure is characterized in that a shell is inserted in the middle of a contact surface between the cylinder cover and the tank body; a supporting part is inserted in the middle of the interior of the shell, so that cylinder body waterway cooling liquid and oil way engine oil cannot penetrate through the sealing ring to enter the combustion chamber, combustion waste gas is prevented from diffusing outwards, and the cooling liquid and the engine oil are prevented from entering the combustion chamber.

The invention discloses multi-cavity high-cleanliness vacuum coating equipment, and relates to the technical field of vacuum coating. Comprising a bin door and further comprises a film coating bin, the film coating bin is connected with the bin door, and an air exhaust system is arranged outside the film coating bin; the feeding bin is connected with the film coating bin; the discharging bin is connected with the coating bin; one feeding and discharging mechanism is arranged in the feeding bin, the other feeding and discharging mechanism is arranged in the discharging bin, each feeding and discharging mechanism comprises a moving block, and a limiting assembly is arranged outside each moving block; the moving block is used for driving the limiting assembly to move between the feeding bin and the coating bin or between the coating bin and the discharging bin. According to the multi-cavity high-cleanliness vacuum coating equipment, the feeding bin and the discharging bin are arranged, the feeding bin and the discharging bin are used for transferring feeding and discharging of the coating bin, and pollution of external dust to the coating bin is isolated to the maximum extent.