153 results about "Organic body" patented technology

A system, for transcutaneous photodynamic therapy in an organ or organ segment of an organic body, includes a plurality of light applicators (9), a supply unit (23) and a placement template (39) placeable relative to the organic body for defined orientation of the light applicators. The light applicators include a needle-shaped insertion portion (15) for transcutaneous piercing along a piercing axis (E), a light-emitting applicator tip (19) at the distal end (13) of the insertion portion, and a fixing point (43) at a proximal distance d from the applicator tip. The placement template defines a plurality of fixing point receptacles (51) for fixing the light applicators with a defined fixing point and includes a first and second template parts (71, 75) defining first and second subsets (73, 77) of fixing point receptacles. The first template part is guidingly displaceable relative to the second template part along the piercing axis.

The utility model discloses a plastic woven bag production waste recovery device which comprises a bottom plate, the top of the bottom plate is fixedly connected with a supporting plate, the top of the supporting plate is provided with a machine body, the top of the machine body is provided with a dustproof mechanism, the machine body is internally provided with a crushing mechanism, and a screening mechanism is arranged below the machine body. The utility model relates to the technical field of waste recovery. According to the waste recovery device for plastic woven bag production, through the arrangement of the screening assembly, screening operation is conducted on crushed plastic woven bag materials, the crushed materials which are completely crushed are filtered through a screening plate and conveyed into the recovery tank through a discharging pipe, secondary crushing operation is facilitated, and the waste recovery quality is improved; and under the driving of the driving motor, the screening plate slides in a reciprocating mode, so that the screening efficiency of the screening plate on the crushed materials is improved, and the condition that the crushed materials are accumulated in screening holes to cause blockage is avoided.

The utility model relates to the technical field of wire drawing equipment, and particularly discloses a bare copper wire continuous wire drawing machine which is provided with a machine body, a die mechanism is arranged in the machine body, rollers are arranged on the outer sides of the two ends of the die mechanism, the die mechanism comprises a clamping tooth seat, the clamping tooth seat is installed on the inner wall of the machine body through a fixing frame, and a rack is arranged on the clamping tooth seat. A plurality of teeth with upward tooth surfaces are arranged on the rack, a clamping groove is formed between every two adjacent teeth, at least two wire drawing die frame modules are movably mounted on the rack, and the wire drawing die frame modules and the clamping grooves are arranged in a separable manner; according to the bare copper wire continuous wire drawing machine, the distance between the wire drawing die frame module and the rollers on the outer sides of the two ends can be adjusted, so that the tensile force on the two sides of the wire drawing die frame module can be balanced in the stretching and wire drawing process of bare copper wires with different thicknesses; when a bare copper wire enters the wire-drawing die frame module from the thick end, the bare copper wire and an inner hole of the wire-drawing die ring can be located on the same horizontal line, and drawing and wire drawing are more uniform.

The utility model discloses a processing punching machine which comprises a base, the upper surface of the base is fixedly connected with a machine body, the side surface of the machine body is fixedly connected with a controller, the upper surface of the base is fixedly connected with a dust storage box, the upper surface of the base is fixedly connected with a dust extractor, the input end of the dust extractor is fixedly connected with a dust extraction pipe, and the input end of the dust extractor is fixedly connected with a motor. And the side surface of the dust suction pipe is fixedly connected with a guide pipe. According to the structure, through mutual cooperation of the dust suction machine, the dust suction pipe, the dust exhaust pipe, the ventilation hole, the guide pipe and the dust storage box, chippings in production of the device can be cleaned, the chippings are prevented from falling into the device, the service life of the device is prolonged, the production quality of products is improved, and through mutual cooperation of a second telescopic rod, a clamping plate and a mold, the mold can be fixed, and the production efficiency is improved. And in addition, the die can be replaced according to different machining parts, the different parts can be machined, and the practicability of the device is improved.

A light applicator (5) for examining and / or treating an organic body includes a minimal-invasive, rigid, semi-flexible or flexible insertion section (11) which extends along a longitudinal direction (L) and at its distal end includes an LED (19). The light applicator (5) includes a first electrical lead (61a) for the supply of electricity to the LED (19). The lead extends in the insertion section (11) in the longitudinal direction (L) and there has a cross-sectional area of at least 70% of the cross-sectional area of the light applicator (5). The light applicator (5) in the insertion section (11) is thermally insulated in the radial direction in a manner such that the radial thermal insulation reduces proximally.

The present invention discloses an anti-clogging sewage MBR treatment device, including a support foot, a transmission component, a cleaning component and a self-cleaning mechanism, the top of the support foot is fixedly connected to an organism, an MBR membrane component is arranged in the organism, a fixed plate is fixedly connected to the middle of the front of the organism, and built-in filter plates are fixedly connected to the front of the organism on both the left and right sides of the fixed plate, wherein the transmission component includes a transmission cylinder, and the transmission cylinder is fixedly connected to the middle of the front of the fixed plate. In the present invention, when the push plate pushes the rotating shaft to move, the cleaning roller on the rotating shaft contacts the front of the built-in filter plate, and at the same time, the sliding wheel slides in the guide groove in the protective shell, so that the cleaning roller on the outer side of the rotating shaft continuously fits the surface of the built-in filter plate, and as the sliding wheel moves, it rubs and rolls on the surface of the built-in filter plate, so that the impurity particles that are difficult to remove adhere to the surface of the built-in filter plate can be swept off, and the impurity particles at the built-in filter plate are prevented from clogging due to accumulation.

The utility model discloses automatic engineering quality detection equipment, and relates to the technical field of engineering quality detection. The device comprises a base, a machine body is fixedly installed at the upper end of the base, a hydraulic cylinder is fixedly connected to the middle of the upper surface of the machine body, the output end of the hydraulic cylinder penetrates through the machine body and is fixedly connected with a pressing block, a pressure sensor is fixedly connected to the middle of the lower end of the pressing block, and a supporting plate is arranged on the inner bottom face of the machine body. A placing plate is arranged on the upper surface of the supporting plate and is used for placing a concrete sample to be detected. According to the concrete sample detection device, the electric telescopic rod is started to push one end of the supporting plate to be lifted up, a detected concrete sample is stored in the waste box, then the air pump is started to clean concrete sample residues left on the supporting plate through the nozzles, manual cleaning is not needed, the automation degree is high, and the detection efficiency is high. And a large amount of manual cleaning time and energy can be saved, so that the efficiency of detection work is improved.

An apparatus for biological control of agricultural pests and for reducing damage to crops is disclosed. The apparatus includes a rotatable container for holding biological organisms or material. The walls of the container include a series of openings through which the biological organisms or material can pass, dispersing the biological organisms or material over a target area when the container is rotated. An improved embodiment of the apparatus further includes a sleeve around the container for controlling the dispersion rate. The sleeve includes a second series of openings which, when aligned or partially aligned with the container openings, form gaps of variable size and shape through which the biological organisms or material can pass.

The utility model relates to the technical field of fruit processing, and discloses a vacuum fruit freeze-drying low-temperature dehydrator which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a vacuum machine, the upper surface of the bottom plate is fixedly connected with a cooling-water machine, the upper surface of the bottom plate is fixedly connected with a heating machine, and the upper surface of the bottom plate is fixedly connected with a machine body. Hinges are fixedly connected to the outer wall of the machine body, a sealing door is fixedly connected to the outer walls of the hinges, one end of the sealing door is rotationally connected to the inner wall of the machine body, and a door handle is fixedly connected to the outer wall of the sealing door. According to the fruit picking device, the first clamping block and the second clamping block clamp and fix fruits in the iron plate by rotating the rotary knob, so that the beneficial effect of clamping and fixing the fruits of different specifications is achieved, the problems that the fruits of different shapes are difficult to fix, and the product quality is affected are solved, and the practicability of the device is improved.

The invention relates to the field of printing auxiliary equipment, in particular to a demolding device for 3D printing piece machining. A demolding device for 3D printing piece machining comprises a machine body, a Y-axis telescopic frame and a containing plate, the machine body is provided with the Y-axis telescopic frame, the containing plate is fixed to the Y-axis telescopic frame, the demolding device further comprises a fixing frame, an overturning frame, a cutting plate, a locking frame, an elastic piece a, a downward pressing assembly and the like, the fixing frame is fixedly connected to the front end of the machine body, and the overturning frame is rotationally connected to the front end of the fixing frame; the front end of the cutting plate is rotationally connected to the overturning frame, the locking frame is slidably connected to the front end of the overturning frame, the top of the locking frame penetrates through the left end and the right end of the cutting plate, the locking frame is sleeved with an elastic piece a, one end of the elastic piece a is fixedly connected to the locking frame, the other end of the elastic piece a is fixedly connected to the overturning frame, and a pressing assembly used for pressing the containing plate downwards is arranged on the fixing frame. The cutting plate with the slice end is inserted into the bottom of the printed object to be separated from the placing plate, so that the printed object is completely taken down and cannot be damaged.

A surgical dressing is disclosed. The surgical dressing may have a dressing element, a connection element, and a tube element. The dressing element may be applied to a wound site of an organic body. The dressing element and tube element may be coupled at opposing ends of the connection element. The tube element may be coupled to a tube extending from the wound site. A secondary layer may be coupled to the connection element to retain the connection element in a stretched condition. The secondary layer may be removed from the connection element to enable the connection element to stretch or retract in response to forces applied to or removed from the tube.

The utility model relates to the technical field of tumbling machine inner wall cleaning mechanisms, in particular to a tumbling machine inner wall cleaning mechanism which comprises a fixing frame, the inner wall of the fixing frame is rotationally connected with a machine body, the inner wall of the machine body is rotationally connected with a screw rod, the inner wall of the machine body is fixedly connected with a convex plate, and a connecting column is arranged in the machine body. And the outer surface of the connecting column is fixedly connected with the machine body, the outer surface of the screw rod is in threaded connection with a scraping plate, and the scraping plate is in sliding connection with the inner wall of the machine body, the convex plate and the outer surface of the connecting column. A rotating wheel can be rotated to drive a screw rod to rotate, the screw rod rotates to drive a scraping plate to horizontally move along the screw rod, and at the moment, the scraping plate horizontally slides along the outer surfaces of a convex plate and a connecting column and the inner wall of the machine body, so that materials hung on the wall in the machine body are cleaned through horizontal movement of the scraping plate; and therefore, the effect that the inner wall of the tumbling machine can be quickly cleaned by the device through the scraping plate is achieved.

The composite powder metallurgy net near forming process device comprises a base, the upper end of the base is fixedly connected with a machine body, the upper end of the machine body is fixedly connected with a material tank, the inner bottom of the machine body is fixedly connected with a mold main body, and the upper end of the mold main body is provided with a mold groove; a transverse plate is jointly and fixedly connected between the side wall of the mold body and the inner wall of the machine body, and the transverse plate and the upper end of the mold body are horizontal. The device is reasonable in structure, the electric push rod drives the discharging cover to slide along the transverse plate, powder diffusion is limited in cooperation with the baffles on the two sides, uniform-speed and uniform spreading of powder in a die cavity is achieved, local accumulation is avoided, the consistency of the density of workpieces is ensured, in the material pushing process, impact blocks make repeated contact with protruding blocks of the side baffles, periodic lateral impact is generated under the action of springs, and the powder is evenly sprayed out. And in cooperation with mold cavity constraint of the mold groove, the binding force between powder particles is improved, gaps between materials are reduced, and workpiece defects are reduced.

The utility model belongs to the technical field of liquid suction devices, and discloses a liquid suction device for tooth extraction, which comprises a base, the top of the base is connected with a machine body, one side of the machine body is provided with a control panel, the top of the base is provided with a liquid storage tank, and an exhaust pipe is communicated between one side of the top of the liquid storage tank and the machine body. By arranging the limiting assembly structure, the movable plate is pushed, the movable plate drives the rod piece to move towards the interior of the cavity groove, the rod piece enables the spring to be compressed in the cavity groove through the pressing plate, then the suction gun is placed between the fixed plate and the movable plate, the movable plate is loosened to drive the suction gun to press towards one side of the fixed plate, and therefore the suction gun can be sucked. And the movable plate clamps the suction gun in the groove, so that the suction gun is stably placed on the machine body, the suction gun is prevented from falling to the ground and being damaged, normal use of the liquid suction device is facilitated, and the practicability of the device is improved.

The utility model discloses a dryer convenient to disassemble, which belongs to the technical field of dryers and comprises a base, a machine body is arranged on the top surface of the base, a driving motor is fixedly mounted on the bottom surface of an inner cavity of the base, an output shaft of the driving motor is fixedly connected with a rotating block, and a circular groove is formed in the top surface of the rotating block. Rectangular grooves penetrating through the rotating block are formed in the inner walls of the two sides of the circular groove, clamping plates are arranged in inner cavities of the two rectangular grooves, the opposite ends of the two clamping plates are arranged in the inner cavity of the circular groove, torsion springs are connected to the two side faces of the two clamping plates, and the free end of each torsion spring is connected to the inner wall of one side of the corresponding rectangular groove; a matched rotating column is arranged in an inner cavity of the circular groove, threaded holes are formed in the top faces of the two clamping plates and the two side faces of the rotating column, and bolts are arranged in inner cavities of every two threaded holes. According to the drying machine convenient to disassemble, the problem that internal equipment is inconvenient to maintain or replace is solved, and the working efficiency of the drying machine is improved.

An electronic device is provided. The electronic device includes a substrate having an edge and a peripheral area adjacent to the edge, a first inorganic insulating layer disposed on the first substrate, an organic insulating layer disposed on the first inorganic insulating layer and including a recess in the peripheral area, and a second inorganic insulating layer disposed on the organic insulating layer and in the recess. In a top view, the recess extends in a first direction parallel to the edge of the substrate. In a cross-sectional view, the recess has a bottom portion adjacent to the substrate, and a width of the bottom portion of the recess is greater than a thickness of the organic insulating layer.

The utility model provides a sand mill and relates to the technical field of grinding equipment. The machine body assembly is borne on the supporting frame, the feeding assembly is installed on the left side of the machine body assembly, the filtering assembly is rotationally installed on the right side of the machine body assembly, and a filtering box is directly added to the feeding assembly used for feeding at the machine body assembly, so that primary filtering of raw materials is facilitated; the grinding assembly is arranged to be conical, the outer guide groove is formed in the outer wall of the grinding assembly, raw materials can be better guided into the grinding assembly to be ground, the filtering assembly has the auxiliary function of filtering while discharging, the filtering assembly and the discharging assembly can rotate from the outer end, and therefore the grinding efficiency is improved. Therefore, outflow of the ground raw materials is controlled, and the problem that when existing raw material grinding is carried out, grinding equipment for feeding the raw materials is arranged, the ground raw materials are extruded to an outlet too early, and consequently the equipment is not stable enough in raw material grinding is solved.

To provide an effective technique for improving the survival rate of living organisms in a rearing device that rears the living organisms such as insects.SOLUTION: A rearing device 1 includes: a body frame 10 which forms a rearing space 11 for living organisms; a rearing unit 20 which is housed in the rearing space 11 of the body frame 10; multiple stop members 22 which are arranged in the rearing unit 20 with gaps 23; a conveyor belt 42 which is positioned on the lower side of the rearing unit 20; and a feed container 50 in the bottomed box shape which is placed on the multiple stop members 22 of the rearing unit 20. A mesh-like opening which is smaller than the feed E but larger than an unwanted solid matter produced by the living organisms is provided on a bottom 50a of the feed container 50.SELECTED DRAWING: Figure 3

The invention relates to an organic heterojunction-based light-temperature dual-response sensor element, which is prepared from a substrate, a source electrode, a drain electrode, a grid electrode, an organic active layer, a dielectric layer and a device encapsulation layer, and is characterized in that the organic active layer is composed of a Rho group and an imide group in a Rho diimide system organic small molecular structure; the compound has a long conjugated molecular structure, and charge transfer and energy level matching can be effectively promoted. The organic heterojunction structure has the advantages that the organic heterojunction structure has an interpenetrating network form, the donor-acceptor interface area is remarkably increased, so that the charge separation efficiency is enhanced, the carrier mobility is improved, the transconductance, the on-off ratio and the stability of a sensor element are improved, and the organic heterojunction structure has good solution processability and can be applied to the field of sensor devices. The method is suitable for large-area and low-cost flexible electronic manufacturing. The invention provides a new material system for light and temperature dual-response sensor elements, and has wide application prospects in the fields of wearable sensing, Internet of Things, environment monitoring and the like.

The utility model relates to the technical field of steel plate dephosphorization, in particular to a steel plate production dephosphorization device which comprises a conveying belt and materials, a machine body is arranged on one side of the conveying belt, a spraying structure is arranged on the machine body, the spraying structure comprises a plurality of drainage pipes symmetrically installed on the machine body, and a plurality of water spraying openings are installed on the drainage pipes. A transparent water tank is mounted at the top of the machine body, a water inlet is formed in the transparent water tank, a water pump is mounted on one side of the transparent water tank, and a conveying water pipe connected with the multiple drainage pipes is mounted on one side of the water pump. Due to the arrangement of the spraying structure, when materials are conveyed to the position below the drainage pipe, the water pump starts to pump water, the water is conveyed to the drainage pipe through the conveying water pipe and sprayed to the materials through the water spraying opening, the motor is turned on to rotate the drainage pipe, the spraying angle of the water spraying opening is changed, the spraying range is enlarged, and the use condition of water can be observed through the water collecting tank; and water can be added in time after use.

The present invention relates to a device (100; 200) for disinfecting any bacteria, viruses, dust or any other organic or inorganic bodies present in the air of public or private spaces using a disinfection chamber (110, 110"; 210) provided with a filter of laser beams (115, 115", 215). A dense grid of laser beams (115, 115", 215) is formed that saturates the disinfection chamber (110, 110"; 210). The air forced to pass through the entire disinfection chamber (110, 110"; 210) impacts every small particle, bacteria, virus, even nanometric, with laser beams (115, 115", 215), completely pulverizing, destroying and / or neutralizing itself by means of irradiation from a time ranging from 0.5 to 2 seconds of great beam energy.

The anti-twisting industrial fan comprises a rotary table and a bottom plate, supporting frames are fixedly installed at the two ends of the top of the rotary table, a machine body is fixedly installed at the tops of the supporting frames, an installation plate is fixedly installed in the machine body, and a rotating shaft is fixedly installed at one end of the installation plate; and fan blades are fixedly installed on the surface of the rotating shaft in a surrounding mode, a rotating motor is fixedly installed at the other end of the mounting plate, and the output end of the rotating motor penetrates through the mounting plate and is fixedly connected with one end of the rotating shaft. According to the anti-twisting industrial fan, in the daily use process, an operator starts a rotating motor, the rotating motor operates to enable a rotating shaft to rotate, then fan blades are driven to rotate, and therefore the industrial fan blows air, foreign matter can be attracted when the industrial fan operates, and the fan blades are prevented from being damaged. The protective net and the protective cover can prevent foreign matters from entering the machine body to prevent the industrial fan from being twisted, and the baffle can prevent the foreign matters from getting close to the industrial fan.

The invention relates to the technical field of carbon fiber forming, and discloses carbon fiber composite material continuous thermoplastic mold pressing profile equipment which comprises a machine body, the machine body is connected with a machine table through four guide rods, a hydraulic machine is installed on the machine body, an upper pressing mold is connected to an output shaft of the hydraulic machine, and a lower pressing mold is arranged on the machine table. A self-spreading mechanism and a self-discharging mechanism are arranged on the machine table, uncoiling and cutting in a traditional mode are directly arranged on a mold through the self-spreading mechanism, spread materials are cut through mold closing of the mold, then mold closing forming is carried out, various technologies are directly combined in one procedure, the efficiency is improved, meanwhile, the production cost is reduced, and the production efficiency is improved. The device is simple in structure and convenient to operate, redundant equipment does not need to be adopted for cutting the spread material, winding can be controlled in a one-way mode through the action of the hydraulic machine, and therefore after the spread material is cut, automatic winding is achieved, re-spreading is achieved, the continuous operation effect of the carbon fiber composite material is improved to the maximum extent, and the production efficiency is improved.

The utility model discloses an excavator frame structure which comprises a frame, a machine body is installed in the middle of the frame, a bolt is installed on the edge of the lower side of the machine body, a connecting plate is installed at the position of the bolt, an arc-shaped groove penetrating through the outer wall is formed in the connecting plate, a supporting rod is installed below the connecting plate, and the supporting rod is connected with the machine body. And a rectangular groove penetrating through the outer wall is formed in the bottom of the supporting rod. The mud scraping plate is inserted into the rectangular groove in a penetrating mode, the support is placed on the mud scraping plate and the supporting rod, the threaded hole and the groove are correspondingly aligned and fixed through the bolt and the nut, the bolt is arranged on the edge of the lower side of the machine body, the connecting plate is fixed at the edge through the bolt, and it needs to be noted that the side, provided with the soil breaking block, of the support faces outwards. The mud scraping plate rotates along with the rotating large disc, the soil breaking blocks break the soil to reduce resistance and guide the soil to the two sides, the soil blocks and the like on the frame are continuously pushed away to avoid accumulation, later cleaning is facilitated, and normal work of the excavator is prevented from being hindered.

The present invention discloses a digital inkjet dyeing machine, comprising a cloth unwinding and feeding device, an inkjet device, a drying device and a winding device arranged in sequence along the fabric feeding direction, wherein the inkjet device comprises a body, a controller, an ink tank, a cleaning liquid tank, a waste liquid barrel and an inkjet module, at least two groups of inkjet modules, at least one ink tank, at least one cleaning liquid tank and at least one waste liquid barrel are arranged on the body, and the inkjet module comprises a nozzle, a positioning frame and a supporting moving mechanism; a plurality of nozzles arranged in parallel constitute a nozzle group, and each inkjet module comprises at least one nozzle group. This scheme adopts a fixed, single-channel nozzle to evenly dot a single color of ink with good color matching on the textile, so as to complete digital pure color printing, which will not produce the dot-like granularity that is the most troublesome of conventional digital printing machines, and the coloring effect is greatly improved than the coloring effect of printing pure colors by a printing machine, and has the advantages of cleaning and speed.

The utility model belongs to the technical field of auxiliary structures of cloth cutting machines, and particularly relates to a cloth cutting assembly of a hot-wire cloth cutting machine, which comprises supporting legs, a machine body structure mounted on the top surfaces of the supporting legs, a stabilizing structure mounted in the middle of the top surface of the machine body structure, a cutting structure mounted in the middle of the stabilizing structure, and a clamping unit and a cloth feeding unit, each clamping unit comprises clamping handles, clamping blocks are installed on the sides, close to each other, of the two clamping handles, springs are connected to one sides of the clamping blocks, stabilizing blocks are connected to the right sides of the clamping blocks, guide rods are installed in the middles, close to the left ends, of the front faces and the back faces of the stabilizing blocks, and guide rails are connected to the outer surfaces of the guide rods. According to the cloth cutting assembly of the hot-wire cloth cutting machine, two clamping blocks can be driven to be close to each other through transmission of a clamping handle, and two stabilizing blocks are driven to be close to each other when the clamping blocks are close to each other, so that cloth is clamped and fixed through the stabilizing blocks, and the situation that when a cutter is used for cutting the cloth, a cutting line inclines, and the cloth cutting efficiency is improved is prevented. And the cloth edge cutting is not tidy.

The utility model discloses a bottled inner packaging machine, which belongs to the technical field of traditional Chinese medicine production and comprises a machine body, a conveying belt is fixedly mounted at the upper end of the machine body, a blanking machine with a lifting structure is fixedly mounted on one side of the machine body, two blanking ports are fixedly mounted at the output end of the blanking machine and are positioned above the conveying belt, and the conveying belt is fixedly mounted at the lower end of the machine body. Guide assemblies are fixedly installed on the two sides of the machine body, blocking assemblies used for limiting and fixing bottle bodies are fixedly installed at one ends of the guide assemblies, and separation assemblies used for separating the conveying belt are fixedly installed at the two ends of the upper surface of the machine body. According to the device, the machining efficiency is improved, the heights of the separation and guide positions are conveniently and flexibly adjusted, bottle bodies with different heights can be conveniently used, during discharging, the bottle bodies are conveniently adsorbed and fixed, the stability during filling is improved, toppling is avoided, and operation is convenient.

This invention discloses a method for preparing in-situ grafted and dispersed nano-silica, relating to the field of nanomaterial preparation technology, comprising the following steps: Step ①, mixing sodium-free silica sol solution, water, and polyol in a high-pressure reactor; Step ②, gradually raising the reactor temperature from room temperature to 150-180℃, initially introducing acid anhydride gas or liquid at a certain flow rate, and maintaining temperature, constant pressure, and rotation speed until the pH value reaches 4.0-5.0±0.5, obtaining a primary mixture of hydrated nano-silica; Step ③, pumping an organosilicon coupling agent into the high-pressure reactor using a high-pressure metering pump, maintaining temperature and pressure, stirring the reaction for 30-90 minutes, then cooling, depressurizing, purging with nitrogen, and separating the reaction liquid to obtain grafted and dispersed nano-silica. This application aims to achieve readily available and inexpensive raw materials, reduce the difficulty of preparing nano-silica; solve the problems of dispersibility and compatibility with organic matter in nano-silica; simplify the procedure and improve preparation efficiency.

The utility model discloses a device for treating chronic pain, which comprises a base and a machine body arranged at the top end of the base. After the device for treating the chronic pain is used, a connecting wire, an acupoint electrode patch and other assemblies can be stored and placed in a storage cavity firstly, then an arranged movable seat is turned forwards to be clamped into the storage cavity through hinge joint between a mounting head and the interior of a mounting groove at the rear end of the top of the device body, and then the movable seat is clamped into the storage cavity through the hinge joint between the mounting head and the interior of the mounting groove. The clamping position of the movable seat can be limited through the two sets of abutting blocks, after the movable seat is clamped and stored in the storage cavity, dustproof protection and storage can be conveniently conducted on the device assembly, dirt outside the display assembly and the operation assembly on the device is reduced, after the wire harness is stored in the device, the wire harness dragging situation is reduced, and the safety of the device is improved. The device is more attractive and safer, and the problem that dustproof protection and storage are not convenient to carry out on device assemblies is solved.

The utility model relates to the technical field of diaphragm pumps, in particular to a pneumatic diaphragm pump which comprises a base and an adjusting device, a machine body is arranged on the surface of the base, a water outlet is formed in one side of the machine body, and the adjusting device is arranged on the surface of the machine body and comprises a threaded rod which is rotationally connected with the machine body. The side, away from the machine body, of the threaded rod penetrates through the machine body and is fixedly connected with a rotating block, a first hole is formed in the surface of the machine body, the inner wall of the first hole in the surface of the machine body is slidably connected with a flow limiting plate, and the side, close to the flow limiting plate, of the machine body is fixedly connected with a waterproof sleeve which is arranged on the flow limiting plate in a sleeving mode. The flow of the machine body can be conveniently controlled, the stability of the equipment is improved, the operation difficulty of the equipment is reduced, and a user can conveniently adjust according to environmental requirements.