263results about How to "Flexible size adjustment" patented technology

The invention relates to the field of artificial intelligence, in particular to a collagen peptide absorptivity prediction method. Comprising the following steps: acquiring a collagen peptide sample data matrix, and constructing a convolutional neural network and a recurrent neural network to obtain a molecular structure feature vector and a time sequence feature vector; constructing a prediction neural network, inputting the molecular structure feature vector and the time sequence feature vector into an interactive feature fusion layer, and obtaining a fused feature vector by using an interactive feature fusion algorithm; inputting the fused feature vector into a self-adaptive decoupling layer, and calculating by using a self-adaptive feature decoupling algorithm to obtain a decoupled feature vector; and inputting the decoupled feature vector into an output layer to obtain a predicted value of the collagen peptide absorptivity. The technical problems that the molecular structure feature extraction capacity is insufficient, the complex interaction relation between local molecular structures cannot be flexibly captured, feature extraction is not deep enough, and the accuracy of collagen peptide absorptivity prediction is affected are solved.

The invention discloses a wearable device for lower limb rewarming, and relates to the technical field of medical instruments. The wearable device for rewarming the lower limbs comprises an outer constraint sleeve, an inner constraint sleeve and a mounting box, a heat preservation pipe is arranged between the outer wall of the outer constraint sleeve and the outer wall of the inner constraint sleeve, notches are formed in one side of the outer constraint sleeve and one side of the inner constraint sleeve, a zipper is arranged at the positions, located at the notches, of the outer wall of the outer constraint sleeve, and a puller is arranged on the zipper; a water tank is fixedly connected into the mounting box, a water outlet pipe is connected to the inner wall of one side of the water tank in a penetrating mode, and a water pump is arranged in the mounting box. Through driving of the water pump, purified water enters the heat exchange structure through the conversion pipe to be heated and then enters the heat preservation pipe through the hot water conveying pipe, a closed hot water circulation channel is formed, continuous supply of hot water and rewarming of the lower limbs are effectively guaranteed in a water heating mode, blood circulation is effectively promoted, and postoperation hypothermia is avoided.

The aggregate screening device for concrete production comprises a material conveying frame, a material screening box and a butt joint clamping seat, the material conveying frame is fixedly installed on the outer surface of one end of the material screening box, the butt joint clamping seat is fixedly installed on the outer surface of the other end of the material screening box, and a screen is movably installed on the inner side of the material screening box; the screening box and the screen are connected and fixed through a vibrating frame, a first rotating rod matched with the screen for use is movably installed on the lower portion of one end of the vibrating frame, a second rotating rod matched with the screen for use is movably installed on the lower portion of the other end of the vibrating frame, and the first rotating rod and the second rotating rod are symmetrically arranged. The vibration frame and the screening box are connected and fixed through a buffer. A material receiving box is mounted on the inner side of the butt joint clamping seat in a splicing manner; when the aggregate screening device for concrete production is used, the retention time during aggregate screening can be flexibly controlled, meanwhile, the size of the screen can be flexibly adjusted, and the aggregate screening effect is improved.

The invention provides a transformer vibration test tool and a use method, the transformer vibration test tool comprises a vibration platform, the vibration platform is provided with an installation platform, the installation platform is symmetrically provided with two support frames, the ends of the same sides of the tops of the two support frames are connected with a connecting plate, the connecting plate is connected with a connecting piece, and the connecting piece is connected with the vibration platform. The top of a transformer is connected to the connecting piece, the transformer is located between the two supporting frames, one end of a flexible connecting piece is connected to the bottom of the transformer, and the other end of the flexible connecting piece is connected to the tops of the supporting frames. According to the test tool, accurate test and evaluation of the transformer in a simulated vibration environment are realized, and the accuracy and reliability of the transformer in a vibration test are ensured, so that the operation and maintenance cost and risk of the transformer are reduced.

The invention discloses a brake pad cutting device and a cutting method thereof, and relates to the technical field of brake pad cutting, the brake pad cutting device comprises a machine tool, a conveying assembly, a cutting assembly and a fixed-point cutting assembly.By flexibly adjusting the position of a trepanning laser nozzle, the trepanning requirements of different positions on a brake pad are met, and the size of a hole is flexibly adjusted; the electromagnet is started to generate magnetic force with the same polarity as the magnetic block, the magnetic block is pushed to rotate through repulsive force, rotation and positioning of the magnetic block are achieved under cooperation of the check block, the position of the rotating disc is adjusted, and cutting at different positions is achieved; the number of the magnetic blocks can be adjusted according to the number of actually-needed holes by controlling a fifth electric push rod to drive the magnetic blocks with the needed number to move outwards, the positions of an outer ring laser spray head and an inner ring laser spray head are adjusted, and an outer contour and an inner contour are cut on a brake pad raw material. All cutting operations can be completed through one-time positioning, and accumulative errors caused by multiple times of positioning are reduced.

The invention relates to a preparation method of a sodium alginate composite hydrogel microneedle for treating pathological scars, and belongs to the technical field of hydrogel microneedles, the microneedle takes sodium alginate as a main material, the sodium alginate is methylated to obtain methylacryloylated sodium alginate AlgMA, hollow manganese dioxide nanoparticles loaded with matrix metalloproteinase are added, and the microneedle is prepared by a hydrothermal method. A hydrogel microneedle filling solution is obtained; the preparation method comprises the following steps: transferring the hydrogel microneedle into a PDMS microneedle mold, carrying out negative pressure vacuum bubble removal, drying and concentrating twice in a drying oven, carrying out photopolymerization crosslinking, forming a solid hydrogel microneedle tip, adding a 20% PVA solution, and drying in the drying oven to form the microneedle substrate, and the preparation method is simple, convenient and efficient, has industrial application potential, and is suitable for the scenes of drug delivery, skin care and the like; according to the application of the sodium alginate composite hydrogel microneedle in pathological scar drug delivery, the sodium alginate composite hydrogel microneedle has excellent mechanical strength and biocompatibility, and painless and noninvasive drug delivery can be carried out on the surface of scar skin.

The utility model discloses a medium-speed supporting box packaging machine which comprises a machine frame, a feeding conveying line is arranged at the feeding end of the machine frame, a conveying chain is arranged at the output end of the feeding conveying line, a plurality of shifting plates are evenly installed on the conveying chain at intervals, an unwinding structure is arranged on the top of the machine frame, and the unwinding structure is arranged on the output end of the feeding conveying line. A film-drawing heat-sealing device is arranged at the discharging end of the conveying chain, a bag-making structure is arranged between the unwinding structure and the film-drawing heat-sealing device, a first discharging conveying line and a second discharging conveying line are further included, and a heat-sealing cutting-off device is arranged between the first discharging conveying line and the second discharging conveying line. According to the full-automatic packaging machine, a plurality of functional modules such as feeding, film unwinding, bag making, film drawing heat sealing, discharging and transverse heat sealing cutting are integrated, full-process automatic operation from supporting box feeding to finished product packaging is achieved, and the automation degree is improved.

The invention relates to the technical field of fire detection equipment, in particular to an energy storage power station composite fire detection device which comprises a mounting base, a water spraying pipeline is arranged in the middle of the mounting base, a conical shell is arranged in the middle of the water spraying pipeline, and a conical body capable of sealing the water spraying pipeline is arranged in the conical shell. A plurality of smoke suction mechanisms capable of sucking smoke in a fire scene are arranged on the peripheral side in the conical shell, a water curtain forming mechanism capable of forming a water curtain barrier in the fire scene is arranged at the bottom of the conical shell, and air suction control mechanisms in the smoke suction mechanisms utilize the deformation characteristic of bimetallic strips when the temperature rises. The opening and closing of an air inlet hole are automatically controlled, so that fire scene smoke is accurately sucked, the water curtain forming mechanism flexibly adjusts the size of a water curtain jet orifice according to the working state of the device through the cooperation between an upper sliding shell and a lower flow guide disc, and an effective water curtain barrier is formed in a fire scene.

The utility model relates to the technical field of plastic clothes hangers, in particular to an anti-falling plastic clothes hanger which comprises an arc-shaped mounting plate and a telescopic sleeve, the telescopic sleeve is located below the arc-shaped mounting plate and connected with the arc-shaped mounting plate, a hook is mounted on the arc-shaped mounting plate, and connecting cylinders are hinged to the two ends of the arc-shaped mounting plate. A movable rod is inserted into the connecting cylinder, connecting rods are inserted into the two ends of the telescopic sleeve, the connecting rods are hinged to the movable rod, clamping grooves are formed in the two sides of the connecting cylinder, clamping holes are formed in the inner walls of the clamping grooves, a detachable anti-falling assembly is clamped to the connecting cylinder, and through the detachable anti-falling assembly, the friction force between clothes and the clothes hanger can be increased; through the telescopic sleeve, the two-way threaded shaft, the connecting rod, the moving rod, the connecting cylinder and the second spring, the size of the clothes hanger can be flexibly adjusted according to the size of the clothes, and the applicability of the clothes hanger is improved.

The utility model discloses a buried switch cabinet, and specifically relates to the technical field of switch cabinets, the buried switch cabinet comprises an outer protection box and an inner cabinet body, a lifting assembly is arranged between the inner cabinet body and the outer protection box, the inner cabinet body is internally provided with a plurality of separator plates from top to bottom, the separator plates are provided with a plurality of circular grooves at equal intervals along the length direction, and the circular grooves are arranged in the outer protection box. A strip-shaped groove is formed between every two adjacent circular grooves, the inner diameter of each circular groove is larger than the width of each strip-shaped groove, and a movable partition strip capable of moving along the length of each strip-shaped groove is arranged in each strip-shaped groove. According to the utility model, through the arrangement of the circular groove, the strip-shaped groove and the movable division bar, leads connected with the upper layer and the lower layer in the switch cabinet can pass through the circular groove or the strip-shaped groove to be limited, areas separated by the movable division bar are areas through which different leads pass, zoning processing is facilitated, and the position of the movable division bar is adjustable, so that the size of a bunching area can be flexibly adjusted; and secondly, similar wires can be bound together to be placed in the circular groove, so that disorder of wire harnesses can be avoided.

The invention belongs to the technical field of ship construction, and particularly relates to a method for installing a guide plate on a ship. The method comprises the following steps: setting allowance of guide plate parts; the field actual flow guide plate machining line type and size are confirmed; determining the trepanning position of the guide plate on the outer plate; the positioning sequence, method and matters needing attention of the guide plates are selected according to the field segmentation state; the allowance added during blanking is cut according to requirements; the installation sequence, method and matters needing attention of the guide plates are selected according to the field segmentation state; and determining the precision size of the guide plate according to a laser theodolite. By correctly adding part allowance and controlling the installation process of the flow guide plate, most of the conditions such as construction difficulty in the construction process can be avoided, meanwhile, the fluid performance of fluid can be better improved, efficiency is improved, energy consumption is reduced, the structure is protected against damage of natural factors, and safety is improved.

The invention discloses a battery core wire connecting and sealing technology, and aims to provide a simple battery core wire connecting and sealing method which is characterized by comprising the following steps: S1, preparation work: removing insulating layers at one ends of two sections of battery core wires to be connected, exposing conductive parts, and welding the end parts of the conductive parts of the two sections of battery core wires through welding; s2, crimping sleeve connection: respectively connecting the battery core wires at the two ends with the crimping sleeve through a crimping tool; s3, crimping protection sleeve connection: after crimping is completed, the crimping point is sleeved with the crimping protection sleeve; s4, mounting a sealing rubber sleeve: mounting the sealing rubber sleeve outside the crimping point; s5, water tightness testing: after sealing is completed, water tightness detection is carried out, and whether the sealing effect reaches the standard or not is determined; s6, external packaging: adding a layer of high-strength packaging material, including but not limited to a polyurethane material, outside the sealing rubber sleeve, and performing final packaging; the invention is suitable for the technical field of battery core wire connection sealing.

The invention belongs to the technical field of biology, and discloses a controllable multi-channel three-dimensional dynamic culture system for simulating a cell mechanical microenvironment, the controllable multi-channel three-dimensional dynamic culture system comprises a driving platform, a flexible driver and a cell culture box, the flexible driver is provided with a planar substrate and an outer wall provided with a periodic protrusion structure, and is provided with a hollow structure serving as an air chamber; one end is connected with the air path module through an air hole channel, and the other end is sealed; a groove is also formed in the outer surface of the planar substrate and is used for accommodating cells to be cultured; the flexible driver air chamber can be pressurized or depressurized, so that the bending degree is enhanced or reduced according to the preset frequency, and a mechanical microenvironment is generated. The three-dimensional dynamic culture system constructed by the invention can simulate a cell mechanical microenvironment, realizes dynamic culture of cells, and promotes cell proliferation and expression of specific proteins. In addition, the system can be conveniently designed into multi-channel culture, and has a very good practical application prospect.

The invention belongs to the technical field of engine detection, and particularly relates to an engine piston noise testing method and device, and the device comprises a detection box, an accelerator treading device, and a noise detector. The detection box is connected with the accelerator treading device and the noise detector, the detection box controls the accelerator treading device to work, and the noise detector transmits detected data into the detection box; a display screen, a key board and an arm ring are mounted on the detection box, and a main control module, a Bluetooth module and a rechargeable battery are arranged in the detection box; according to the scheme, the testing device can work by a single person, cooperation of multiple persons is not needed, the labor cost is saved, the testing efficiency is improved, and detection can be conveniently carried out in some scenes with limited persons; the arm ring is fixed on the arm and is tightened by the magic tape, so that the detection box is fixed on the arm, both hands of a worker are liberated, and other operations can be conveniently carried out in the detection process.

The utility model discloses a three-roll grinder device with a cleaning structure, which relates to the technical field of three-roll grinders, and comprises a three-roll grinder body, a mounting rack and a discharge plate, the mounting rack is mounted at the top of the three-roll grinder body, a part of the discharge plate is fixedly mounted in the three-roll grinder body, the discharge plate is positioned on the front side of the three-roll grinder body, and the discharge plate is mounted on the mounting rack. A stirring type movable cleaning assembly is installed on the installation frame in a penetrating mode, the stirring type movable cleaning assembly is located above the three-roller grinding machine body, the stirring type movable cleaning assembly comprises a liquid storage barrel, the bottom of the liquid storage barrel is fixedly installed on the top of the installation frame, and a rotating motor is fixedly installed on one side of the liquid storage barrel; according to the three-roller grinding machine, cleaning liquid and deionized water can be mixed and stirred, the machine body of the three-roller grinding machine can be movably cleaned and washed, meanwhile, the size of the flow guide opening can be flexibly adjusted, and the three-roller grinding machine is convenient to clean and high in practicability.

The invention provides a magnetic liquid drop and particle collision measurement experiment device based on a computer vision technology, and belongs to the field of particle collision characteristic detection. The problems that in the collision measurement process of the magnetic liquid drops and the particles, external field regulation and control are lacked, and personal errors exist in the image analysis process are solved. The device comprises a magnetic control device, a particle fixing device, a liquid drop emitting device and a data acquisition and processing device, the magnetic control device controls the magnetic field intensity by controlling the magnitude of voltage and current input by a direct-current power supply, and the magnetic field direction is changed by adjusting a magnetic field generator; the particle fixing device fixes particles; the liquid drop emitting device emits magnetic liquid drops; a high-speed camera and a data acquisition instrument in the data acquisition and processing device can acquire and record experimental data and feed back the experimental data to a data processing unit, and a computer vision technology is utilized to carry out dynamic capture and image recognition on the spreading process of the magnetic liquid drops on the surfaces of the particles. The collision process can be accurately controlled, and the collision process is dynamically captured through the computer vision technology.

The invention belongs to the technical field of food packaging, and discloses a bag taking and opening device for food packaging, which comprises a feeding conveyor belt, a discharging conveyor belt, a feeding guide groove, a push rod mechanism, a platform, a sliding table, a belt transmission mechanism, a lifting rotating mechanism, a paper bag bin, a Y-shaped bracket, a taking suction cup, an adjusting plate and a fixed suction cup. The bag taking and opening device for food packaging is low in cost, automatic bag taking, bag opening and food loading can be achieved, the food packaging efficiency is greatly improved, and meanwhile food safety and sanitation are guaranteed.

The invention relates to the technical field of waste gas recovery treatment equipment, in particular to an integrated waste gas recovery treatment device for lithium battery production, which comprises a bracket, a tower body is mounted in the bracket, an upper partition plate and a lower partition plate are connected in the tower body, and the interior of the tower body is sequentially divided into a solid-gas separation chamber, a washing chamber and an absorption chamber by the two partition plates from bottom to top; filter screens are connected into the washing chamber and the absorption chamber, the bottom of the tower body is communicated with an ash hopper, a spiral gas injection pipe extending into the solid-gas separation chamber is mounted at the lower part of the tower body, gas delivery pipes are mounted on the two partition plates, and annular liquid spraying pipes located above the filter screens are connected into the washing chamber and the absorption chamber. A plurality of functional units for cyclone separation of particles and gas, gas washing, harmful gas absorption and the like are integrated in the tower body, the integration level is high, meanwhile, due to the compact design, the tower can efficiently operate in a limited space, the treatment efficiency is high, the occupied area is small, and the energy consumption and the operation cost are reduced.

The invention discloses a carbon glass hybrid fiber reinforced composite material oxygen bin and a preparation method thereof.The oxygen bin comprises a bin body and end covers arranged on the two sides of the bin body, the bin body comprises a glass fiber main body structure and carbon fiber supporting structures, and the carbon fiber supporting structures are arranged at the corners of the bin body; the carbon fiber supporting structure is embedded in the glass fiber main body structure, the carbon fiber supporting structure and the glass fiber main body structure are arranged in a stacked and staggered mode, screw holes are formed in the side walls of the two sides of the cabin body, and the end cover is connected with the cabin body through bolts and the screw holes. According to the carbon-glass hybrid fiber reinforced composite material oxygen bin, the bin body is prepared from the glass fibers, the weight of the oxygen bin can be reduced, the strength of the oxygen bin is improved, meanwhile, good corrosion resistance is achieved, and the portability and installation convenience of the oxygen bin are improved. The carbon fiber supporting structures are embedded into the glass fiber main body structure layer and are arranged in a stacked and staggered mode, and the strength of the cabin body is further enhanced.

The intraoperative three-dimensional traction assembly comprises a base, a first ventilation groove is formed in the top of the base, and at least three non-collinear lifting rods and rollers capable of being braked are arranged at the bottom of the base; the sliding rails are matched with the rollers capable of being braked; the cushion block device is placed at the top of the base and at least divided into a first cushion block and a second cushion block which are distributed left and right, the first cushion block and the second cushion block are located on the two sides of the first ventilation groove respectively, and the first cushion block and the second cushion block are further connected with an adjusting rod; and a traction device. During traction, the base and the cushion block device slide along with the skull of the patient, and the risk that the face of the patient is pressed and rubbed by the cushion block device is reduced; by arranging an adjusting rod, the size of a containing groove of the cushion block device can be flexibly adjusted according to the size of the face of the patient; the arrangement of the at least three independent lifting rods enables the base to be changed into four different inclined states from a horizontal state, so that the skull and the cervical vertebra of a patient can be subjected to forward bending, backward bending, left rotating and right rotating actions, a traction device is assisted, and a better operation effect is achieved.

The utility model relates to noise isolation device technical field, concretely relates to noise isolation and noise reduction protection integrated device, including a plurality of mutual splicing's protective plate, and the protective plate is composed of the outer frame board of setting at the outside and the sound insulation layer of setting at the central position department of outer frame board, and the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the sound insulation layer and the outer frame board, the sound absorption layer is arranged between the

A pedicle screw with a topologically optimized grid lattice structure relates to the field of orthopedic implants. The effective design part of the spinal screw is the screw rod part. The outer side of the screw rod has a variable pitch thread, and the inside of the screw rod is filled with a topologically optimized grid lattice structure, which reduces the elastic modulus while increasing its compressive strength, effectively reduces stress shielding, and promotes bone growth. In addition, the design of the topological lattice structure allows bone cement to be evenly and fully filled and distributed between the prosthesis and the bone.

The application discloses a galvanizing line air knife device and belongs to the technical field of air knives.The air knife device comprises a ring-shaped air knife shell, a base mounted on the ring-shaped air knife shell, a gas guide cavity formed in the ring-shaped air knife shell, a first gas connection end and a second gas connection end oppositely arranged on the ring-shaped air knife shell, a gas guide hose connected between the first gas connection end and the second gas connection end, a gas outlet ring arranged on the inner side of the ring-shaped air knife shell, and an adjusting mechanism arranged in the gas guide cavity of the ring-shaped air knife shell.The adjusting mechanism comprises a fixing ring arranged in the gas guide cavity of the ring-shaped air knife shell.The size of the air knife air port can be quickly adjusted according to the thickness and running speed of the galvanized plate, for example, the air flow pressure is reduced when processing thin plates to avoid blowing the plates, and the pressure is increased when processing thick plates to ensure that the thickness of the zinc layer meets the standards.Compared with a traditional single-structure air knife, the size of the air port can be flexibly adjusted, the air knife can be adapted to galvanized plates with different thicknesses and running speeds, and the universality of the equipment is improved.

The utility model discloses a cooling treatment mechanism for production of a food roasting machine, which comprises a fixing frame, a stir-frying bin is arranged on the fixing frame, a conveying device is arranged below the stir-frying bin, a control device is mounted at the bottom end of the stir-frying bin, the control device comprises a lead screw, a limiting plate, a supporting seat and a plugging block, and the plugging block is mounted on the lead screw. The limiting plate is connected to the bottom end of the stir-frying bin, one end of the stir-frying bin is connected with an adjusting device, and the adjusting device comprises a corrugated pipe, a connecting frame, a conveying pipe, a guide mechanism, a driven wheel, a rotating sleeve, a driving wheel, a first motor, a top block, a connecting plate, a flow choking block, a top sleeve, a limiting block, a limiting groove, a push spring and a spring, the corrugated pipe is connected to one side of the top sleeve, and the conveying pipe is connected to one end of the connecting pipe; the driven wheel is arranged on the outer side of the rotating sleeve, the driving wheel is connected with the first motor, the ejector block is connected with the flow choking block through the push spring, the ejector sleeve is installed on the outer side of the rotating sleeve, the limiting block is slidably installed on the inner side of the limiting groove, and the flow choking block is connected with the connecting plate through the spring.

The utility model relates to the technical field of rubber hose production, in particular to a rubber extruder for rubber hose production, which comprises a base, an extruder body is mounted at the top of the base, a feeding port is mounted on one side of the extruder body, and a forming cylinder is mounted on one side of the outer surface of the feeding port. A replacement structure is mounted on the outer surface of the forming cylinder; a threaded rod is screwed out of an extension plate by rotating a first rotating handle, at the moment, a rotating round rod is loosened, the rotating round rod drives a rotating transverse rod to move out of the extension plate by pulling a second rotating handle, at the moment, a groove column is separated from an extrusion groove, and at the moment, the rotating transverse rod drives a left side groove column and a right side groove column to exchange positions by rotating the second rotating handle. And at the moment, a rotating round rod is inserted into an extension plate again to enable a groove column to be clamped into an extrusion groove, at the moment, a first rotating handle is rotated again to enable a threaded rod to move in the extension plate to abut against and fix the rotating round rod, and therefore exchange of the two extrusion heads is completed, and the adaptability of the device is improved.

The invention relates to the technical field of medical instruments, in particular to a temperature-adjustable operating gown for medical staff, which comprises an upper garment and trousers, and an adjusting component for adjusting the size is arranged in the side wall of the upper garment. The adjusting assembly comprises a vertical rod, a plurality of first hinge rods and a plurality of second hinge rods, and the middles of the adjacent first hinge rods and second hinge rods are hinged to each other. One end, close to the sleeve and the bottom of the vertical rod, of the first hinge rod is hinged to the sleeve and the bottom of the vertical rod; arc-shaped plates are hinged to the two ends of the second hinge rods, and the ends, away from the vertical rods, of the first hinge rods are hinged to the adjacent arc-shaped plates. A driving assembly used for driving the sleeve to vertically slide is arranged in the sleeve. An adjusting assembly used for adjusting the temperature is arranged on the outer side of the jacket. By automatically adjusting the expansion degree of the first hinge rod and the second hinge rod, the size of the surgical gown can be flexibly adjusted, and the applicability and comfort of the surgical gown are further improved.

The invention discloses a thin spinning metering pump, which belongs to the technical field of spinning mechanical equipment. The thin spinning metering pump is a one-inlet and multiple-outlet structure, and comprises a pump plate, a gear plate and a cover plate from bottom to top, and a driving shaft penetrating the cover plate and the gear plate, wherein the number of the pump plate and the number of the gear plate are both one, and a planetary gear system arranged in the gear plate is used to drive the central gear by the rotation of a motor, and then precise control of the material is achieved through the meshing of the central gear and the planetary gear; compared with traditional metering pumps, the metering pump of the invention has a greatly reduced thickness, requires less processing materials, has a simple processing technology, and has a low processing cost, and is more convenient to disassemble and replace during use.

A three-dimensional spliced oil filter screen for a range hood comprises two oppositely mounted side screens and two oppositely mounted end screens, the side walls of the side screens and the side walls of the end screens are bent to form connecting plates, and the adjacent side screens and the end screens are in butt joint through the connecting plates to form an oil filter screen body which is concave upwards. The three-dimensional spliced oil filter screen for the range hood has the beneficial effects that the three-dimensional spliced oil filter screen for the range hood adopts a mode of splicing a plurality of components, and compared with a traditional integrally-formed filter screen, the size and the shape of the filter screen can be flexibly adjusted according to actual requirements. Due to the modular design, the product can be more easily adapted to range hoods with different models and sizes, and meanwhile, the storage and the transportation are convenient.

The utility model discloses a flexible board fixing multi-size adjusting jig which comprises an outer frame and a flexible board body arranged on the inner side of the outer frame, and further comprises a transverse adjusting assembly, and the transverse adjusting assembly comprises first supporting plates arranged on the tops of the two sides of the outer frame and a first sliding strip arranged between the two first supporting plates; the vertical adjusting assembly comprises second supporting plates arranged at the tops of the two ends of the outer frame and a second sliding strip arranged between the two second supporting plates, and a measuring strip is arranged at the bottom of the second sliding strip; a measuring bottom plate is arranged at the bottom of the inner side of the outer frame, and the measuring bottom plate and the measuring strips are further provided with limiting clamps used for fixing the flexible board body. According to the utility model, the transverse adjusting assembly and the vertical adjusting assembly are adopted in the outer frame to form a slidable support structure, so that the size of the jig is more flexible to adjust, and an operator can easily adjust the size of the jig according to requirements to adapt to the production requirements of soft boards with different specifications.