146results about How to "Prevent extrusion" patented technology

According to the conical spiral bamboo shoot sorting device, bamboo shoots can fall down at a certain position between the two conical spiral barrels according to the sizes of the bamboo shoots in the process of moving from the large ends of the conical spiral barrels to the small ends of the conical spiral barrels under the action of the multiple rotating conical spiral barrels, bamboo shoot sorting is achieved, the automation degree is high, the production efficiency is high, and the production cost is low. And the cost is low. Comprising a plurality of conical spiral barrels with parallel axes, the large end of each conical spiral barrel is located at the front end, the small end of each conical spiral barrel is located at the rear end, bamboo shoot collecting boxes are arranged below the conical spiral barrels, and the bamboo shoot collecting boxes are arranged along the axes of the conical spiral barrels; the bamboo shoots close to the upper portion of the large end of each conical spiral barrel are driven by the rotating conical spiral barrel to gradually move towards the small end of the conical spiral barrel, the bamboo shoots with the large diameter fall into the bamboo shoot collecting box close to the small end of the conical spiral barrel, and the bamboo shoots with the small diameter fall into the bamboo shoot collecting box close to the large end of the conical spiral barrel.

The invention discloses a fiber ring repairing device. The fiber ring repairing device comprises a degradable elastic restraining bag and filler filled in the elastic restraining bag. Space in the elastic constraint bag comprises a positioning space, a supporting space and a limiting space, and the filler comprises first filler and second filler. The first filler is located in the positioning space, fixed in shape to form a positioning part, located on the outer side of the fiber ring crevasse and used for conveying and positioning. Corresponding parts of the supporting space and the limiting space in the elastic constraint bag can be folded under the non-filling condition and then enter the fiber ring crevasse, and then the second filling part flows into the supporting space and the limiting space and forms a supporting part and a limiting part after being solidified. And the part, corresponding to the supporting space, in the elastic constraint bag can be elastically deformed under the filling of the second filler so as to adapt to the shape of the crevasse of the fiber ring. The limiting part is located on the inner side of the fibrous ring crevasse, provided with a limiting face abutting against the inner side wall of the periphery of the fibrous ring crevasse and used for preventing the fibrous ring repairing device from being extruded out of the fibrous ring crevasse by the nucleus pulposus.

The invention discloses an anti-blocking flood prevention emergency drainage device, and relates to the technical field of emergency drainage. The device comprises a partition plate, the partition plate is fixedly connected with the inner side face of a box body, communicating grooves are symmetrically formed in the surface of the partition plate, the surface of a coarse screening assembly is fixedly connected with the inner side face of a cover plate, and a smashing assembly is fixedly connected with the inner side face of the box body and arranged on the side, away from the coarse screening assembly, of the partition plate; the coarse screening assembly can screen out large-size impurities, large-size hard impurities such as stones and branches are prevented from entering the box body, the situation that the crushing assembly is damaged by the hard large-size impurities is avoided, a partition plate with a communicating groove is arranged, the situation that the impurities are rushed into the device to cause blockage in rainstorm is avoided, the partition plate divides an inner cavity of the box body, and the inner cavity of the box body is blocked. The drainage system can prevent firm impurities from being flushed into the drainage system by rainstorm during rainstorm, so that the drainage system is prevented from being blocked, and the drainage system is ensured not to collapse during emergency drainage.

The utility model provides an external medicine coating device, and belongs to the technical field of medicine coating. Comprising a rectangular frame and a coating mechanism, a fixing plate is fixedly mounted in the rectangular frame, the coating mechanism comprises a coating wheel, the coating wheel is rotatably mounted on the inner side of the rectangular frame, an extrusion plate is slidably mounted on the inner side of the rectangular frame, a circular plate is mounted outside the coating wheel, and a linkage rod is mounted on the circular plate. A coating wheel is rotationally mounted on the inner side of a rectangular frame, a linkage rod is driven to move through rolling of the coating wheel, then an extrusion plate is driven to move, medicine in a medicine tube can be extruded out through movement of the extrusion plate, the medicine falls onto the outer surface of the coating wheel, and the medicine can be coated on the skin through continuous rolling of the coating wheel on the skin. The ointment can be smeared on the affected part of the skin, manual smearing is not needed in the ointment smearing process, the hand is effectively prevented from being infected, meanwhile, the use cost is reduced, and use is convenient.

The invention relates to the technical field of medical instruments, and belongs to a gastroenterology sampling, detecting and sealing device which comprises a tube body, a blanking cap and a cylinder, the blanking cap and the cylinder are both arranged on the tube body, the blanking cap and the cylinder are alternately used, and the tube body is detachably connected with the blanking cap and the cylinder through fixing assemblies; the bottom end of the cylinder is provided with a scraping component for scraping substances on the surface of the sample; a sampler is arranged in the pipe body and comprises a sampling barrel, the sampling barrel is arranged in the pipe body in a sliding mode, a piston plate is arranged in the sampling barrel in a sealing and sliding mode, and the sampling barrel is in transmission fit with the piston plate through a connecting piece; the sampling barrel is matched with the scraping assembly; and a reset assembly is arranged in the pipe body and is connected with the sampling barrel. The first push handle is pushed to push the sampling barrel to move downwards, the shifting piece is pushed to be opened in the downward moving process of the sampling barrel, substances on the surface of a sample are pushed away through the shifting piece, the sampling barrel is directly inserted into the sample which is not polluted, the sample is extracted, the quality of the sample is improved, and the detection result of the sample is further guaranteed.

The invention relates to the technical field of solid-state relays, in particular to an anti-interference solid-state relay which comprises a solid-state relay body, heat dissipation holes are formed in the two ends of the middle of the end face of one side of the solid-state relay body, and heat dissipation cylinders are fixedly connected to the positions, located at the heat dissipation holes, of the inner wall of the solid-state relay body. A heat dissipation structure is arranged in the heat dissipation barrel, the heat dissipation structure is used for cooling the interior of the solid-state relay body, an expansion assembly is arranged in the middle of the inner bottom surface of the solid-state relay body, and the expansion assembly is used for triggering the heat dissipation structure to work. Connecting grooves are formed in the four corners of the upper end of the solid-state relay body, fixing bolts and conducting strips are arranged in the connecting grooves, and the connecting assembly comprises the fixing bolts and the conducting strips. Compared with the prior art, the problems that in the prior art, a heat dissipation structure triggering mode is not suitable for a strong magnetic environment, and an electric connection mode has potential safety hazards are solved.

The invention discloses an intelligent online material corrosion performance testing device and a using method, and belongs to the technical field of material corrosion performance testing, the intelligent online material corrosion performance testing device comprises a base, a reaction tank located at the top of the base, a cover plate covering the top of the reaction tank and a cylinder for controlling the cover plate to lift. Through a material fixing mechanism composed of an upper pressing disc, a hanging rod, an upper limiting groove, a collecting groove, a lower pressing disc, a lower limiting groove and an outer threaded sleeve, multiple sets of materials can be subjected to filling testing at the same time in the testing process, random errors are reduced, overall characteristics of the materials can be obtained easily, and the testing efficiency is improved. In addition, an ultrasonic probe is arranged at the top of the material fixing mechanism and located above the material fixing position, and meanwhile, a rotating mechanism composed of a motor, a first shaft rod, a main gear, a driven gear and a second shaft rod is utilized, so that the ultrasonic probe can be continuously controlled to rotate around the axis of the material in the testing process; and the average corrosion condition of the single surface of the material is continuously tested, so that the tested structure is more accurate.

The invention provides wire extrusion equipment for a 3D blind box printer, and belongs to the technical field of 3D printers, the wire extrusion equipment comprises a box body, a first driving assembly, a second driving assembly, a wire feeding assembly, a heating assembly, an extrusion assembly and a cleaning assembly, and the bottom of the box body is provided with a discharging pipe; the wire feeding assembly, the heating assembly and the extrusion assembly are arranged in the box body, the second driving assembly is installed on the side wall of the box body, and the second driving assembly is used for driving the wire feeding assembly to rotate so as to deliver a wire to the heating assembly, so that the wire is heated and melted by the heating assembly. Compared with the prior art, after 3D printing is completed, molten-state wire raw materials remaining in the discharging pipe can be cleaned, so that the situation that the remaining molten-state wire raw materials are solidified in the discharging pipe is avoided, the discharging pipe is prevented from being blocked, and the wire extrusion effect during subsequent 3D printing is improved.

The present invention relates to the technical field of material transfer devices, and mainly to a semi-solid material rapid transfer machine. The technical scheme is as follows: a semi-solid material rapid transfer machine comprises a material collection cylinder, and a material discharge port is arranged at the bottom of the material collection cylinder; a pressure cover is arranged inside the material collection cylinder, and the shape of the lower surface of the pressure cover is the same as the shape of the upper surface of the bottom of the material collection cylinder, and an inflatable elastic sleeve is arranged on the lower side of the pressure cover. The present invention provides a semi-solid material rapid transfer machine that can improve the cylinder cleaning rate during transfer.

The utility model relates to a high pressure sealing and pressure adjusting structure of a hydraulic knife handle, which comprises a knife handle base body, a piston rod, an O-shaped sealing ring, a thread bushing and a screw, the knife handle base body is provided with a piston cavity, a sealing cavity and a thread cavity, and the piston cavity, the sealing cavity and the thread cavity are sequentially distributed in a stepped hole structure; the threaded sleeve is fixed in the threaded cavity; one end of the piston rod is arranged in the piston cavity, and the other end of the piston rod penetrates through a center hole of the threaded sleeve and is supported on the screw. The screw is arranged in the threaded sleeve, is spirally matched with the threaded sleeve and can push the piston rod to move in the piston cavity; the piston rod, the threaded sleeve and the inner wall of the sealing cavity form a closed annular cavity, and the O-shaped sealing ring is arranged in the annular cavity. The sealing element is simple in structure, convenient to machine and manufacture, low in cost and capable of effectively guaranteeing the performance and the service life of the sealing element in the high-pressure environment.

The utility model discloses a top cover support, a top cover assembly and a battery, the top cover support is applied to the battery, the top cover support comprises two first end parts and a limiting part, and the two first end parts are oppositely arranged along the length direction of the top cover support; the limiting part is connected between the two first end parts, and the inner surface of the limiting part protrudes out of the inner surfaces of the first end parts and can abut against a naked battery cell of the battery; and the inner surface of the first end part and the naked battery core are arranged at intervals. The technical scheme of the utility model can reduce the risk that the plastic bracket extrudes the corners of the naked battery cell and the diaphragm is punctured.

The present application relates to copper nickel ore sorting technical field, specifically for low grade copper nickel ore combined sorting device and process, including heavy plate feeder, the output end of heavy plate feeder is connected with short distance closed belt conveyor, the present application can separate 87.7% of invalid gangue components in advance after the whole set of combined sorting process is put into operation, reduce the material volume of flotation section from the source, the reagent dosage and water and electricity energy consumption are reduced synchronously, effectively reduce the processing cost of low grade copper nickel ore, significantly improve the production profit level of the project, the waste rock produced by sorting is used as underground filling aggregate after fine crushing, which replaces the purchased gobi sandstone raw material, achieves closed loop utilization of solid waste resources, and meets the green mine development and construction guidelines.

A vaginal secretion collecting swab for gynecologic examination relates to the technical field of gynecologic examination and comprises a bottle body, a handle, a flushing assembly, a connecting tube and a swab head, the handle is arranged above the bottle body, the flushing assembly is arranged above the handle, the connecting tube is arranged on the flushing assembly, normal saline is arranged in the flushing assembly and the connecting tube, the lower end of the connecting tube penetrates through the handle, and the swab head is connected with the connecting tube. A swab head is arranged at the lower end of the connecting pipe, and the lower end of the connecting pipe and the swab head are arranged in the bottle body; the vaginal syringe is high in practicability and very convenient to use, the handle and the connecting pipe are arranged in a matched mode, a doctor can sample conveniently, normal saline in the sealing pipe is squeezed out through the squeezing and flushing assembly, vaginal secretions attached to the swab head are flushed away, and collection is convenient; a limiting plate is arranged on the flushing assembly, so that normal saline is prevented from being squeezed out when vaginal secretion is collected.

The utility model relates to the technical field of household daily necessities, and provides a paint bottle convenient to repair, which comprises a material storage bottle, a connecting cover and a brush, the material storage bottle is used for storing paint, the connecting cover is connected with the material storage bottle, the brush is connected with the connecting cover, and the brush is used for painting; a liquid flowing channel is arranged in the connecting cover, one end of the liquid flowing channel is communicated with the material containing bottle, and the other end of the liquid flowing channel is in contact with the brush. The paint bottle has the effect of facilitating daily use and carrying of the paint bottle.

The utility model discloses a file storage bag, which particularly relates to the technical field of storage bags and comprises a storage bag, a fixing rope and a connecting frame are arranged on the side face of the top end of the storage bag, the inner wall of the connecting frame is fixedly connected to the side face of the storage bag, movable grooves are formed in the two sides of the connecting frame, and rotating rods are connected to the inner walls of the movable grooves in a sliding mode. A pressing head is fixedly connected to one end of the rotating rod, a fixing block is fixedly connected to the surface of the other end of the rotating rod, the side face of the fixing block is slidably connected to the inner wall of the movable groove, and the bottom end of a fixing rope is movably wound around the surface of one end of the rotating rod. And meanwhile, in a rope winding fixing mode, if the rope is knotted, follow-up consulting operation is not convenient, but in a general knotting fixing mode, the problem that the sealing protection effect of the storage bag is weakened when the rope is loosened due to the fact that the rope is not sufficiently fixed possibly occurs.

The present invention discloses a bait pulling tray structure and an assembly method that are convenient to seal, comprising a base, a glue ring and an upper cover; a accommodating groove is formed by an integral downward concave arrangement of the periphery of the bottom of the installation cavity; the glue ring is arranged on the bottom surface of the installation cavity and is located on the side of the inner side of the accommodating groove; the side plate extends downward into the accommodating groove and is surrounded by the accommodating groove to form an accommodating space for glue to enter; and the glue ring is cooperated with the glue ring to enter the accommodating space by rotating, so that during the assembly process, the upper cover can be installed in place first, and then the glue ring on the inner side of the accommodating groove is rotated into the accommodating space and fills the connection between the side plate and the accommodating groove, avoiding the formation of a sealed space first inside during the assembly process and squeezing out the glue due to air pressure problems, thereby ensuring the sealing performance of the bait pulling tray after assembly, avoiding external moisture from entering the interior of the bait pulling tray during subsequent use, and providing users with a better experience.

The utility model discloses a battery cell. The battery cell comprises a pole piece and a diaphragm, comprising a pole piece and a diaphragm, the diaphragm and the pole piece are stacked, the pole piece and the diaphragm are wound along the same direction and respectively comprise a corner area formed during winding, and an electrolyte expansion layer is arranged on the surface of at least one side of the corner area of the diaphragm, is supported between the corner area of the diaphragm and the corner area of the pole piece and is used for supporting a gap for electrolyte to flow. According to the technical scheme, the electrolyte expansion layer is arranged in the corner area of the diaphragm, so that the lithium precipitation phenomenon in the corner area of the battery cell can be effectively improved. The electrolyte expansion layer expands after being infiltrated by the electrolyte and can be supported between the diaphragm and the corner area of the pole piece, so that a gap for the electrolyte to flow is formed between the diaphragm and the corner area of the pole piece, and the gap can be used for buffering the volume change of the pole piece and can also prevent the electrolyte from being extruded out, thereby avoiding lithium precipitation at the corner of the battery cell and prolonging the service life of the battery cell. The cycle stability and the service life of the battery cell are improved. In addition, the utility model also discloses a battery and an electric device.

The utility model belongs to valve technical field relates to a five -way ball valve with good sealing effect, including valve body, the inlet and the outlet of valve body all are equipped with the connecting pipe, the peripheral surface of connecting pipe is equipped with flange near the pipe orifice, the nut for connecting the pipe fitting is covered on the connecting pipe, the connecting pipe is covered with the sealing ring of cross section is L type, the outer periphery of small diameter section of sealing ring is equipped with the sealing lip towards its major diameter end, the two end faces of major diameter end of sealing ring are equipped with a plurality of concentric lines, the inner wall of sealing ring is equipped with annular limit slot, the outer periphery of connecting pipe is equipped with the limit block of clamping in limit slot. Through L type sealing ring can realize pipe fitting end surface and peripheral surface double seal, ensure the sealing effect of valve, the limit slot and the limit block cooperate with each other, can prevent sealing ring from being extruded.

The application discloses an attraction valve, a handle and an endoscope, and relates to the technical field of medical devices. The attraction valve is used for the endoscope, and the attraction valve comprises a valve body, a valve cap, a valve rod, a pressing piece and a blocking piece. The valve cap is connected with the valve body, and a valve cavity is defined between the valve cap and the valve body. The valve cap is provided with an atmosphere hole which is in communication with the valve cavity. The valve rod is connected with the valve cap and is movably arranged in the valve cavity to switch between a closed position and a suction position. The pressing piece is movably arranged relative to the valve rod. The blocking piece is connected with the pressing piece and moves with the pressing piece to block or move away from the atmosphere hole. A buffer stroke is arranged between the pressing piece and the valve rod. After the pressing piece drives the blocking piece to block the atmosphere hole, the pressing action is transmitted to the valve rod to drive the valve rod to move from the closed position to the suction position. The above scheme can solve the problem that the attraction valve of the related endoscope is prone to leaving residual suction objects at the atmosphere passage.

The present invention discloses a bone implant assisting device, which relates to the technical field of medical devices and comprises: a pressure plate, a connecting handle and a sleeve, wherein the pressure plate and the sleeve are respectively connected to the two ends of the connecting handle and are arranged opposite to each other; the pressure plate is used to block the inner opening of the bone tunnel, the two ends of the sleeve are open and one end of the sleeve is used to align with the outer opening of the medullary canal, and the other end of the sleeve is used to extend into a pressing rod, so when the device is used to assist in pressing bone implanting, the bone implanting material can be prevented from being squeezed out from the inner opening of the bone tunnel, thereby the bone implanting material and the host bone can be pressed and compacted together well.

The invention discloses a screw extruder with an alarm function, and relates to the technical field of extruder alarms, the screw extruder comprises a shell and a driving module which are arranged on a screw extruder body, a machine barrel is arranged in the shell, a screw body is arranged in the machine barrel, and a feeding port is formed in the top of the machine barrel. When the extrusion opening is blocked, the blockage can be detected in time, an alarm is given through the alarm, the extrusion efficiency and quality are ensured, and meanwhile, the outlet of the extrusion opening can be blocked and sealed, so that more unqualified materials are prevented from being extruded, and the waste of the materials can be avoided; besides, before the raw materials are fed into the feeding port, waste heat of the extrusion port can be used for preheating the raw materials, meanwhile, the raw materials are heated and softened, impurities which cannot be heated and softened in the raw materials can be conveniently removed, normal operation of the screw extruder body is guaranteed, meanwhile, the probability that the extrusion port is blocked can be reduced, and the production efficiency and effect are guaranteed.

The present application relates to the technical field of industrial robot spare parts, in particular to a mute type ball nut noise reduction structure for an industrial robot and a method thereof, comprising a mute sleeve set on the outside of a lead screw, the mute sleeve comprising a nut, a bushing mounted on the nut, and a plurality of balls. The mute sleeve is further provided with a filler, the filler comprising a filler tube with a grease storage cavity inside, and a pair of lifting rings, a rotating plug, and an extrusion part coaxially arranged inside the filler from top to bottom. The present application applies continuous pressure on the lubricating grease in the grease storage cavity through the extrusion part, cooperates with the material passage gap in the convex rod which is in contact with the thread groove of the lead screw, realizes continuous and uniform coating of the lubricating grease to the thread groove of the lead screw, and automatically brings the lubricating grease to the ball load track and the circulation channel with the rotation of the lead screw and the movement of the nut, realizes continuous self-lubrication without manual intervention, and effectively reduces the friction noise caused by insufficient lubrication.

The invention relates to the technical field of electromyographic stimulation therapeutic instruments, and discloses electromyographic stimulation rehabilitation treatment equipment for pelvic floor muscles, which is used for solving the problem that an electrode probe slides off from a human body due to the fact that a power line is too long and the gravity is large. A winding device is arranged in an electrode probe body and comprises a supporting shaft, a coil spring, a shaft sleeve and a guide wheel, a power line is wound around the shaft sleeve, and one end of the power line penetrates through a limiting plate and a handheld part and is electrically connected with a connector; when the electrode probe is not used, the power line is wound on the shaft sleeve to prevent the power line from being too long to affect storage of the electrode probe, and when the electrode probe is used, the power line can be pulled out by a required length and part of the power line is located in the electrode probe body to prevent the power line located on the outer side of the electrode probe body from being too long and the gravity of the power line is too large. Therefore, the problem that the treatment effect is poor due to the position change of the electrode probe is avoided.

The utility model relates to a device of crushing technology field, and disclose a kind of cutting and crushing device for limestone processing, including jaw crusher frame, receiving table and vibrating feeder, the rear end of jaw crusher frame is fixedly installed with receiving table, eccentric shaft is rotatably installed on jaw crusher frame, electromagnetic clutch is installed on eccentric shaft in the right side near, the right end of electromagnetic clutch is provided with main pulley, the upper end of receiving table is rotatably installed with roll shaft in the left and right sides near, conveying belt is installed between the outside of roll shaft, uniformly distributed sieve slot is provided on the inclined plate position of vibrating feeder, irregular baffle is fixedly installed on vibrating feeder in the front end near discharge port.The device can effectively remove soil in limestone, ensure the normal discharging of limestone, and the on-off state of electromagnetic clutch can be controlled to start and stop the conveying belt, which can be used flexibly according to actual conditions and effectively reduce energy consumption.

The utility model relates to the technical field of thrust washers, in particular to a corrosion-resistant self-lubricating thrust washer which comprises a main body, oil storage tanks are arranged on two sides in the main body, and oil outlet mechanisms are arranged on the other sides in the two oil storage tanks. After the corrosion-resistant self-lubricating thrust washer is mounted, the lubricating grease can be automatically extruded between the driving shaft and the inner wall of the round opening, so that the driving shaft and the inner wall of the round opening are more lubricated, the friction damage to the inner wall of the round opening caused by long-time rotation of the driving shaft is avoided, and the service life of the driving shaft is prolonged. Therefore, the service life of the corrosion-resistant self-lubricating thrust washer can be effectively guaranteed, and the convenience of the corrosion-resistant self-lubricating thrust washer is improved.

The utility model discloses an encrusting machine and relates to the technical field of food processing. The full-automatic encrusting machine comprises a feeding mechanism, an encrusting mechanism, a knife passing structure and a rack, a feeding mechanism, a stuffing wrapping mechanism and a knife passing structure are respectively mounted on the rack; the feeding mechanism comprises a flour hopper, a stuffing hopper and a feeding pipe; the flour hopper and the stuffing hopper are communicated with the two sides of the stuffing wrapping mechanism; the stuffing wrapping mechanism comprises a stuffing wrapping pipe, an inner stuffing pipe, an oil seal structure and a material pressing ring structure; the stuffing wrapping pipe is in clearance fit with an inner stuffing pipe; one side of the inner stuffing pipe is communicated with a stuffing guide block; the stuffing wrapping pipe is provided with a wrapper feeding hole, and the stuffing guide block and the wrapper feeding hole are respectively communicated with an outlet of the feeding pipe; a material pressing ring structure is also assembled in the encrusting pipe, and an oil seal structure is assembled at the material pressing ring structure of the encrusting pipe; a knife passing structure is assembled at the bottom of the encrusting mechanism; and a driving mechanism is mounted on the rack. Through the structural design effect of the encrusting mechanism, the encrusting machine has the advantages of guaranteeing the cutting effect and the hygienic standard and safety quality of food.

The utility model belongs to the technical field of traditional Chinese medicinal material processing, and particularly relates to a medicine rubbing device for traditional Chinese medicinal material processing, which comprises a bottom plate and a barrel fixedly arranged on the surface of the bottom plate, and further comprises a rubbing component fixedly arranged on the surface of the bottom plate and a lifting component for supporting the rubbing component, the rubbing assembly comprises a lower rubbing plate fixed in the barrel, a groove formed in the center of the lower rubbing plate and a rotating column rotationally connected to the upper surface of the lower rubbing plate through the groove, a cross-shaped groove is formed in the surface of the rotating column, and an upper rubbing plate is arranged in the cross-shaped groove; the upper rubbing plate slides in the rotating column through the cross-shaped groove; the traditional Chinese medicinal materials can be prevented from being extruded out of the device in the rubbing process, the workload of workers is reduced, and meanwhile processing is more thorough by pushing an upper rubbing plate through an electric telescopic rod.

This invention provides a graded embolization protection device, belonging to the field of vascular interventional medical device technology. The device includes a delivery guidewire, with multiple protection units fixedly arranged at intervals at the distal end of the guidewire. Each protection unit has a proximal open end and a distal closed end, and each protection unit has a flexible support frame for support at a target location. Multiple open areas are formed on the support frame, and a soft, elastic filter membrane is arranged on the edge of each open area or on the sidewall of the entire support frame to cover the open area. In use, the multiple protection units are axially deployed graded along the target location, with the flexible support frame of each protection unit fully conforming to the inner wall of the blood vessel, and the soft, elastic filter membrane intercepting emboli in the blood flow. This addresses at least the technical problems of existing embolization protection devices, such as poor flexibility due to the high coverage of the rigid support structure, difficulty in adapting to complex vascular morphologies, and poor fit with the vascular wall, leading to embolism escape.

This application discloses a sealing gasket and an electrolytic cell, relating to the field of electrolytic cell technology. The sealing gasket includes a skeleton and an elastic portion. The skeleton is annular, with its central axis extending along a first direction. The elastic portion is fixedly connected to the skeleton and includes two abutment layers, which are respectively disposed on opposite sides of the skeleton in the first direction. The skeleton is embedded in the abutment layers, or the abutment layers are embedded in the skeleton. The technical solution provided by this application aims to improve the structural strength of the sealing gasket, thereby ensuring the sealing performance of the electrolytic cell.

The utility model relates to food detection technical field, and disclose a walnut milk food detection sampling device with protection structure, including sampling cylinder, the inside slide of sampling cylinder is equipped with the sealing plug, the middle part of sealing plug top is equipped with the vertical rod fixedly, the top of sampling cylinder is equipped with the top plate fixedly, the top of top plate is equipped with the guide limit component that guides and limits vertical rod, the bottom of sampling cylinder is equipped with the slide, the bottom of sampling cylinder is connected with sampling tube threadedly, through setting sampling tube at the bottom of sampling cylinder, can be accurate sampling to deep sample or specific depth sample, the bottom of sampling tube can be blocked up through the plug, avoided the storage and sampling process exposure to air, introduced the microorganism, dust and other pollutants in environment, leading to sample distortion, through the sampling tube is immersed in walnut milk, utilize slideboard to promote elastic support component, can make the plug leave sampling tube.