1322results about How to "Prevent outflow" patented technology

The immersed battery pack thermal management system comprises a battery pack box body, the battery pack box body is provided with a containing cavity with an opening in the top, the containing cavity is filled with a cooling medium, and a liquid outlet is formed in the side wall of the bottom of the battery pack box body; the plurality of single batteries are arranged in the accommodating chamber and are immersed in the cooling medium; the phase change working medium is arranged in the accommodating chamber and surrounds the outer side of the single battery; the cooling box body is fixedly arranged at the top opening of the battery pack box body, the bottom surface of the cooling box body is provided with a communication port communicated with the accommodating cavity, and a liquid inlet is formed in the cooling box body; by combining static cooling, low-flow dynamic cooling, high-flow dynamic cooling and multi-layer thermal management of the phase-change material, the cooling strategy can be dynamically adjusted under different temperature conditions, efficient heat dissipation is ensured, the internal temperature of the battery pack is more uniform by using the phase-change working medium, a proper cooling mode is selected as required, and the cooling efficiency is improved. And unnecessary energy consumption is avoided.

The invention provides a wafer defect detection method and device, and belongs to the technical field of semiconductor manufacturing. The wafer defect detection method comprises the steps that defect data of the surface of each wafer are acquired, and the defect data comprise defect types and defect position coordinates; the defect position coordinates of the same batch of wafers are subjected to clustering analysis through a spatial clustering algorithm, the defect distribution mode and defect distribution density of the batch of wafers are determined, and the same production process parameters are adopted for the same batch of wafers; calculating the risk score of the batch of wafers according to the defect distribution mode and the defect distribution density of the batch of wafers and the proportion of abnormal wafers in the batch; and comparing the risk score of the batch of wafers with a preset risk threshold, and if the risk score of the batch of wafers is greater than the preset risk threshold, determining the batch of wafers as abnormal wafers. According to the invention, the batch defect of the wafer can be detected.

The invention discloses a postoperative illness condition monitoring device for a patient in the anorectal department of traditional Chinese medicine, and relates to the technical field of postoperative nursing, the postoperative illness condition monitoring device comprises a drug administration monitoring device and an illness condition monitoring system, and the drug administration monitoring device comprises a drug administration barrel and a retention part; the illness state monitoring system comprises a sensor integration unit, an abnormity analysis unit, an alarm prompting unit and a drug administration suggestion unit; various post-operation data information of a patient is collected through the sensor integration unit, abnormity reminding signals are generated after abnormity judgment is carried out on the different data information, the patient and family members of the patient are reminded through the prompter arranged in a ward, meanwhile, reminding is sent to the remote medical terminal in a nurse station through the remote transmission module, and the patient is reminded through the remote transmission module. And the corresponding nursing suggestions are output to the remote medical terminal in the nurse station or the mobile terminal of the patient, so that the effect of monitoring the postoperative illness state in real time is achieved, negligence of manual observation is avoided, the corresponding suggestions can be quickly given, and effective measures are provided for medical staff and the patient.

The invention provides a wafer defect detection method and device, and belongs to the technical field of semiconductor manufacturing. The wafer defect detection method comprises the steps that defect data of the surface of each wafer are acquired, and the defect data comprise defect position coordinates, defect sizes and defect types; superposing the defect data of the plurality of wafers to generate a comprehensive defect distribution diagram of the plurality of wafers; analyzing the comprehensive defect distribution diagram by utilizing a spatial clustering algorithm, and judging whether the comprehensive defect distribution diagram has a COP defect distribution mode or not; if the COP defect distribution pattern exists in the comprehensive defect distribution diagram, calculating risk scores of the plurality of wafers according to the defect distribution density, the defect size and the defect distribution rule by utilizing a defect identification model; and comparing the risk scores of the plurality of wafers with a preset risk threshold, and if the risk scores are greater than the preset risk threshold, determining that the plurality of wafers have COP defects. According to the invention, the COP defect of the wafer can be identified.

The invention relates to the technical field of sewage treatment, in particular to superconducting magnetic coagulation equipment for sewage treatment, which comprises a mixing tank, a magnetic powder mixing mechanism mounted in the mixing tank and a sedimentation tank mounted on one side of the mixing tank, and a conducting pipe is fixedly mounted in one side, close to the top end, of the mixing tank and the sedimentation tank in a penetrating manner; a driving motor is fixedly connected to the middle position of the top end of the sedimentation tank through a bracket, and when the driving motor drives a sludge scraping rod to rotate, through the cooperative arrangement of a sewage scum treatment assembly, a transmission assembly and a scum removal assembly, when entering sewage contains a large amount of substances such as grease, suspended solids or colloids, the sludge scraping rod is driven to rotate; according to the equipment, scum covering the top end of the sedimentation tank can be automatically scraped, collected and treated in a centralized manner, so that the conditions that the scum flows out of the sedimentation tank along with water flow and enters a subsequent treatment unit, suspended solids of effluent are increased, the water quality becomes poor and the sewage effect is influenced are avoided, and the sewage treatment effect is ensured.

The invention discloses a CNC machine tool with an anti-jamming servo tailstock, and relates to the technical field of machine tool equipment.The CNC machine tool comprises a workbench, a machine tool body is arranged at the upper end of the workbench, a spindle box is arranged at the upper end of the machine tool body, a chuck is arranged on one side of the spindle box, a fixing plate is arranged in the machine tool body, and a first servo motor is arranged on one side of the machine tool body; the output end of the first servo motor penetrates through the lathe bed and is provided with a lead screw, two supporting guide rods are symmetrically arranged between the fixing plate and the inner surface of one side of the lathe bed, a moving block is arranged on the outer surface of the lead screw, a tailstock sliding saddle is arranged at the upper end of the moving block, and a mounting table is arranged at the upper end of the tailstock sliding saddle. According to the CNC machine tool with the anti-jamming servo tailstock, the rear center can be stably driven to transversely move, impurities on the surfaces of the lead screw and the supporting guide rod can be efficiently cleaned and automatically lubricated during use, the jamming condition is prevented, and meanwhile, the center base body and the rear center can be conveniently disassembled, assembled and replaced.

The invention relates to a petroleum water quality sample sampler for surface water. The petroleum water quality sample sampler comprises a supporting base, a plurality of supporting rods evenly arranged in the circumferential direction of the supporting base, a top cover arranged between the supporting rods, rope hook holes formed in the tops of the supporting rods, locking mechanisms arranged on the supporting rods in a sliding mode, and sampling mechanisms arranged on the supporting rods; according to the invention, the following problems can be solved: through cooperation of a fixing clamping belt and a locking bolt, a sampling bottle body is fixed, so that the situation that the total amount of collected samples does not reach a target due to deviation of the sampling bottle body during sampling is prevented; a fixed bottle plug is matched with a sampling bottle opening, and a floating plug is arranged, so that water on the surface is prevented from polluting the device and further polluting the sample; through cooperation of the floating plug and the clamping block, columnar water sample collection of petroleum underground water can be realized; the sealing performance is improved through the matching of the sealing ring and the sealing seat, so that the sample in the sampling bottle body is prevented from flowing out from the bottom.

The invention discloses a cooling device for a metal mold for cooling glass products, and belongs to the technical field of glass product production, the cooling device comprises a floor, the top of the floor is connected with a mold closing driving assembly, and the top of the floor on the inner side of the mold closing driving assembly is connected with a self-switching cooling demolding assembly; the right end of the self-switching cooling demolding assembly is connected with an automatic communicating assembly, the mold closing driving assembly is started, the mold closing driving assembly drives the self-switching cooling demolding assembly to conduct mold closing, and at the moment, the upper part and the lower part of the self-switching cooling demolding assembly are communicated through the automatic communicating assembly; the self-switching cooling demolding assembly is automatically switched into a water supply state for cooling at the moment, the mold closing driving assembly is started when product forming is completed, the mold closing driving assembly drives the mold closing driving assembly to split the mold, and the self-switching cooling demolding assembly is automatically switched into a demolding state for automatic demolding at the moment; automatic cooling and demolding of the self-switching cooling and demolding assembly are achieved, and a driving part does not need to be additionally arranged.

The invention relates to a dust-free cutting device for processing metal parts of textile machinery, which comprises a cutting main body mechanism, the cutting main body mechanism comprises a welding base, a protective cover, a cutting arm hinging base, a cutting arm hinging shaft seat, a cutting arm, a tail hinging plate, a stretching air cylinder, a laser transmitter, a main rotating motor base, a main rotating motor, a hollow chuck and a driving belt wheel; the protective cover is fixedly arranged on the welding base, the cutting arm hinge bases are fixedly arranged in the middle of the top face of the welding base, and the number of the cutting arm hinge shaft seats is two. The standards of cutting depth and cutting precision are improved; and the smoke adsorption effect is improved, the smoke absorption rate generated in the cutting process is increased, and therefore harm to workers caused by dust and smoke in equipment when equipment protection is opened for feeding and discharging is effectively relieved.

The invention discloses a vehicle-mounted LNG cylinder external supercharging device, and relates to the technical field of vehicle-mounted LNG cylinders, the vehicle-mounted LNG cylinder external supercharging device comprises a mounting plate, a cover plate is rotatably mounted at the top of the mounting plate, a supercharging device is fixedly mounted at the rear part of the mounting plate, a gas cylinder is arranged at the top of the mounting plate, and the gas cylinder is fixedly mounted at the rear part of the mounting plate. A gas inlet is fixedly formed in the left side of the gas cylinder, a valve is fixedly mounted on the circumferential surface of the gas inlet, a protection device is arranged at the top of the mounting plate, a leakage-proof device is arranged at the top of the mounting plate, and a connecting device is arranged at the top of the mounting plate. According to the device, a gas cylinder is placed on the top of the mounting plate, the cover plate is rotated downwards, the cover plate is rotated downwards to make contact with the inclined face of the top of the spring bolt, the spring bolt is stressed to retract into the switch box, the cover plate continues to be rotated downwards, when the spring bolt makes contact with the pressing block, the spring bolt stretches out under the elastic force of the third elastic piece, the spring bolt limits the cover plate, and the cover plate is prevented from being in the operation process of the device.

The utility model relates to the field of valves, in particular to a chemical anti-blocking valve convenient to replace. Comprising a manual valve, a shell, a filter screen and the like, the manual valve is fixedly connected with a shell, and the shell is provided with a partition plate; and the shell is slidably connected with a plurality of filter screens. The left side and the right side of the channel are blocked through the baffle, so that a relatively closed space is formed between the baffle and the shell, gas in the pipeline is prevented from entering the front channel, and the situation that when the filter screen is replaced, all the gas in the pipeline flows out of the filter screen, and consequently a worker is affected is prevented; and the clamping plate is limited through the limiting block, so that the situation that the spring rod resets to push the clamping plate to move leftwards in the subsequent process that the worker pulls out the filter screen, and the influence on pulling out of the filter screen by the worker is avoided, and the worker does not need to pull the clamping plate all the time when pulling out the filter screen.

The present invention relates to the technical field of cutting fluids, and in particular to a water-based high-lubricity cutting fluid and a preparation method thereof, comprising triethanolamine, an oily corrosion inhibitor, a lubricating additive, benzotriazole, a surfactant, a potassium hydroxide solution, a pH regulator and deionized water. The water-based high-lubricity cutting fluid in the present invention is compounded by lubricating additives, triethanolamine, an oily corrosion inhibitor, benzotriazole, a surfactant and the like, wherein the sulfide fatty acid ester embedded in the lubricating additive is thrown out from the pores under the action of centrifugal force when subjected to a high centrifugal speed, and adheres to the metal surface to form a dense sulfide film, which plays a lubricating role, can effectively reduce shear stress, reduce friction and power consumption, reduce the temperature of the friction part between the tool and the workpiece and the tool wear, improve the cutting performance of the workpiece material, and improve the lubrication performance of the cutting fluid, so that it has the characteristics of small usage and high cutting quality.

The invention discloses a battery cell anomaly detection method, a battery cell anomaly detection device and a battery cell manufacturing method. The battery cell anomaly detection method comprises the steps that a capacitance measurement value of a discharged battery cell after hot pressing treatment is obtained, the battery cell comprises a plurality of pole piece combinations, and each pole piece combination comprises a positive pole piece and a negative pole piece which are equivalent to an equivalent capacitor; and carrying out comparative calculation on the capacitance measurement value and a preset threshold value, and judging whether the pole piece distance between a positive pole piece and a negative pole piece included in the pole piece combination of the battery cell is abnormal or not according to a comparative result. According to the battery cell anomaly detection method, the capacitance measurement value of the discharged battery cell is obtained, comparison calculation is performed according to the capacitance measurement value, and whether the pole piece distance of the battery cell is abnormal or not can be judged according to the comparison result, so that screening monitoring of the pole piece distance of the battery cell in the manufacturing process of the battery cell is realized, the manufacturing quality risk of the manufacturing process is avoided, and the production efficiency is improved. Abnormal products are prevented from flowing out.

The utility model discloses a quick leaking stoppage device for a fire hose, which comprises a second connecting fastener, the second connecting fastener is arranged on one side of a first connecting fastener, the cross section of the first connecting fastener and the cross section of the second connecting fastener are arc-shaped, the first connecting fastener is provided with a threaded hole, and the second connecting fastener is provided with a threaded hole. A connecting bolt is arranged on one side of the second connecting fastener, and the connecting bolt and the second connecting fastener are arranged in a penetrating mode. The air bag is arranged on the inner side of the first connecting fastener and the inner side of the second connecting fastener, an inflation and deflation nozzle is arranged outside the first connecting fastener and the second connecting fastener, the inflation and deflation nozzle, the first connecting fastener and the second connecting fastener are connected into a whole, and the inflation and deflation nozzle communicates with the air bag. The leaking stoppage device is arranged outside the fire hose in a sleeving mode, air is injected into the air bag, the air bag is opened by facing the injected air, the opened air bag makes close contact with the water leakage position of the fire hose, a damaged opening of the fire hose is blocked, and rapid leaking stoppage of the fire hose is achieved.

The invention discloses a receiver-drier, and belongs to the field of receiver-driers. The receiver-drier comprises a shell and a filter box fixed in the shell, an air outlet and an air inlet are formed in the upper end of the shell; the air outlet is communicated with the inner bottom of the shell through a breather pipe; a plurality of water absorption cavities are uniformly formed in the filter box in the circumferential direction; an upper filter plate is mounted at the upper end of each water absorption cavity; a drying agent is filled in the water absorption cavity; a rotating pipe is rotationally connected in the shell; the upper end of the rotating pipe is provided with an upper air cavity right opposite to the upper end of the water suction cavity. A lower filter plate abutting against the lower end of the filter box is arranged at the lower end of the rotating pipe. A lower air cavity is formed in the lower end of the lower filter plate and located under the upper air cavity; the upper air cavity and the lower air cavity are both communicated with the rotating pipe; a centrifugal impeller is rotationally connected into the upper air cavity; and a heating wire is fixedly connected in the lower air cavity. And through rotation of the rotating pipe, the drying agent in each water absorption cavity is regenerated in sequence.

The utility model discloses a water treatment equipment water inlet dosing device which comprises a fixed pipe, two ends of the fixed pipe are connected with water inlet pipes, the top of the fixed pipe is fixedly connected with a dosing pipe, the top of the dosing pipe is fixedly connected with a medicine storage box, and a first support and a second support are sequentially and fixedly connected in the dosing pipe from top to bottom. The center of the first support and the center of the second support are vertically and slidably connected with a sliding rod, the top end of the sliding rod is fixedly connected with a sealing plug, the surface of the sliding rod is in threaded connection with a fixing ring and a locking nut, a spring is arranged between the top of the fixing ring and the bottom of the first support, a baffle is arranged in the fixing pipe, and fixing shafts are arranged on the two sides of the baffle. According to the chemical feeding device for the water inlet of the water treatment equipment, the chemical feeding amount can be adjusted according to the water flow, the feeding opening can be closed when no water exists, and chemical liquid is saved.

The present invention relates to the technical field of advertising design display, and in particular to an audio-visual combined advertising design display device, comprising: a protective device, the protective device is used to support the overall structure of the device; a curtain wall, the curtain wall is fixedly installed on the outer side of the protective device, a projector is fixedly connected to the inner side of the curtain wall, speakers are fixedly connected to the two sides of the curtain wall, and the curtain wall is used to project images displayed by the projector; a cleaning device, the cleaning device is slidably connected to the outer side of the protective device. The present invention arranges the protective device and the cleaning device to cooperate with each other. In the process of pulling the cleaning device downward, the sliding plate slides downward along the inner wall of the protective frame and forces the spiral rod to rotate. At this time, the fan blades at the bottom of the spiral rod rotate and blow the air in the base into the diversion jet pipe through the air guide pipe. Finally, the air is blown out from the diversion jet pipe to blow off the dust attached to the inner wall of the curtain wall, thereby cleaning the curtain wall while cleaning the light-transmitting plate.

The invention belongs to the field of automobile engine energy saving, and particularly relates to an engine energy saving device and method for producing hydrogen through ultrasonic water mist and mineral particles, the device comprises a special water storage tank, an ultrasonic water mist generator and micro hydrogen production mineral particles, and the special water storage tank is divided into an ultrasonic water mist generation chamber and a mineral particle hydrogen production chamber through a permeation partition plate; the ultrasonic water mist generator is placed at the position 3 mm-5 mm below the liquid level of the ultrasonic water mist generating chamber, and water is atomized through external power supply. Micro-hydrogen production mineral particles are placed at the bottom of the mineral particle hydrogen production chamber and react with water to generate hydrogen, part of hydrogen is dissolved in water, and part of hydrogen is stored in the gas storage chamber above the liquid level. An air outlet is formed in the top of the special water storage tank and connected with an engine air inlet pipe, water mist and hydrogen enter an air cylinder along with engine suction to participate in acting, and therefore the redundant fuel injection amount is eliminated, and heat transfer loss in the cylinder is reduced. The heat efficiency of the automobile engine is improved, knocking is restrained, the incomplete combustion phenomenon is reduced, and then fuel consumption and harmful gas emission are reduced.

The utility model provides a traditional Chinese medicine retention enema device for an enterostomy patient, and belongs to the technical field of medical instruments. The device comprises a liquid filling assembly and an antifouling assembly, the liquid filling assembly comprises an enema bag and an infusion tube, and the infusion tube is provided with a Murphy dropper and a flow regulator; the anti-fouling assembly comprises an ostomy bag, and the ostomy bag comprises a bag body and a base plate. A through hole is formed in the chassis; a mounting hole is formed in the bag body, and a sealing piece is arranged in the mounting hole in a matched mode. An insertion channel used for inserting an infusion tube is arranged in the sealing piece, and the tail end of the infusion tube enters the enterostomy through the insertion channel. The infusion tube is further sleeved with a flexible tube, one end of the flexible tube penetrates through the insertion channel of the sealing piece and extends into the enterostomy, and the other end of the flexible tube is arranged outside the sealing piece. And the other side of the fixed pressure plate is also connected with a chock plug. The device is simple to operate and convenient and quick to use; the ostomy bag is clean and transparent, and ostomy conditions are easy to observe; discharge is all in the ostomy bag, peculiar smell is small, pollution is avoided, and the comfort level of a patient is improved.

The invention relates to the technical field of anchor cable construction in foundation support, in particular to a coastal high-permeable stratum chambering anchor cable construction structure and method. The anchor cable construction structure comprises a hole forming assembly, a non-return assembly and a leaking stoppage assembly. The hole forming assembly comprises an outer sleeve, an inner drill rod, a drilling bit and a rotary spraying bit, the outer sleeve is connected to the outer side of the inner drill rod in a sleeving mode, and the drilling bit and the rotary spraying bit are installed at the inner end of the inner drill rod; the non-return assembly is installed on the inner drill rod, one end of the non-return assembly is provided with a non-return plate, and the outer edge of the non-return plate abuts against the inner wall of the outer sleeve; the leaking stoppage assembly comprises a middle air bag connected to the anchor cable in a sleeving mode, and the space between the middle air bag and the anchor cable is filled with leaking stoppage materials. The problems that in the prior art, hole collapse is prone to occurring, high-pressure rotary jet grouting is not full, and secondary water leakage occurs after the anchor cable is tensioned are solved.

The efficient and precise electrolysis-turning combined machining device comprises a machine tool body, a main shaft rotating device and a combined turning tool electrode, the main shaft rotating device is used for clamping a workpiece, and the combined turning tool electrode comprises a tool body, a blade and an electrolyte jet flow channel; the axis of the electrolyte jet flow channel is located over the tool nose of the blade and used for jetting out electrolyte, an electrolyte conveying channel communicated with the electrolyte jet flow channel is arranged in the tool body, the composite turning tool electrode is connected with the machine tool body through the tool shaft, and the electrolyte conveying channel is arranged in the tool shaft. Positive and negative voltages are applied to the spindle rotating device and the composite turning tool electrode respectively, and the machine tool body is used for adjusting the relative position between the composite turning tool electrode and a workpiece. The tool electrode with the diamond blade combined with the circular jet flow channel is adopted, when a workpiece rotates at a high speed, mechanical turning machining and electrolytic machining can be conducted at the same time, and the electrolysis-turning combined machining technology is achieved.

The utility model discloses a hysteroscope water leakage prevention device, which belongs to the technical field of medical instruments and comprises a circular truncated cone, and the circular truncated cone is provided with an injection port for injecting uterine distention liquid, a discharge port for discharging the uterine distention liquid and an operation hole for accommodating a hysteroscope. The left sides of the discharge port and the injection port are communicated with the pump body through hoses, a buffer plugging assembly is installed in the circular truncated cone, a water leakage prevention assembly is installed on the edge of the left side of the circular truncated cone, and the buffer plugging assembly is communicated with the water leakage prevention assembly. By means of the mode, the discharging opening is blocked by the buffering blocking assembly to prevent the uterine distention liquid from flowing out through the discharging opening, the edge of the circular truncated cone makes close contact with the cervix through the water leakage preventing assembly, the uterine distention liquid is prevented from flowing out of the edge of the circular truncated cone, and therefore the uterine distention liquid is effectively prevented from flowing out during hysteroscope detection or operation; and the buffer plugging assembly is used for elastically plugging the uterine cavity, so that the swelling pain feeling of a patient is reduced and the comfort of the patient is improved during uterine cavity detection or operation.

The utility model belongs to the technical field of cup covers, and particularly relates to a double-drinking cup cover which comprises a cover body and a turning cover which are movably connected, a locking piece for controlling the cover body and the turning cover to be relatively fixed is movably arranged on the cover body, a drinking seat is arranged on the cover body, the upper end of the drinking seat extends to form an annular convex edge, and a direct drinking groove is formed by surrounding of the annular convex edge. A water passing hole is formed in the bottom of the direct drinking groove, a sucking hole is formed in the annular protruding edge, a straw hole communicated with the sucking hole is formed in the cover body, and the straw hole and the sucking hole are vertically formed, axially staggered and connected through a transversely-extending transition hole. And a sealing piece for sealing the direct drinking groove and the sucking hole is arranged on the turning cover. The utility model aims to provide the double-drinking cup cover which is simple in structure and convenient for a user to use.

The utility model discloses a powder screening device for powder cosmetics, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a vertical plate, the top of the bottom plate is provided with a material container, one side of the vertical plate is fixedly connected with a mounting plate, one side of the mounting plate is fixedly connected with a first connecting ring, and the top of the first connecting ring is fixedly connected with a powder screening box. A feeding port is fixedly connected to the top of the powder screening box, a screening plate is slidably connected to the position, located on the inner wall of the first connecting ring, below the powder screening box, a screening net is arranged in the screening plate, and a material cleaning structure is arranged above the screening net and located in the powder screening box. According to the powder screening device, powder cosmetics entering the powder screening box are screened in a vibrating mode through the vibrating structure, when the powder cosmetics with uneven particles or agglomerated powder are generated, the agglomerated powder blocks are ground through the cooperation with the material clearing structure and discharged through the screen, and therefore powder screening operation can be conducted on the powder cosmetics conveniently and rapidly, the screen is prevented from being blocked, and the powder screening efficiency is improved. And the use efficiency of the powder screening device is further improved.

The invention relates to a quick plugging device and method for an in-well water burst dewatering well. The device comprises a grouting pipe (1), a bag (2), a grouting device (3) and a one-way flowing piece (4). The grouting pipe (1) comprises a grouting outer pipe (11) and a grouting inner pipe (12), the grouting outer pipe (11) is connected with the bag (2), a one-way flowing part (4) is arranged at the joint of the grouting outer pipe (11) and the bag (2), the grouting inner pipe (12) is connected with the grouting device (3), the grouting pipe (1) extends into a well pipe of a dewatering well (5), and the position of the bag (2) is higher than that of the grouting device (3). Compared with the prior art, the rapid plugging device for the dewatering well is provided when water bursts in the well and under the flowing water condition, cement grout can be prevented from being washed away by water flow when water bursts in the well and under the flowing water condition, and the dewatering well is effectively plugged.

The utility model relates to the technical field of bronchoscope examination covers, and discloses a bronchoscope examination cover with a sealing structure, which comprises an examination cover body, a sealing mechanism, a moisture absorption mechanism and a protective sleeve, the sealing mechanism comprises a first circular ring, an air bag, a first arc-shaped plate, a second arc-shaped plate, a fixing plate and a second hand pulling plate, a first reset spring is fixedly arranged in the middle of the end face of the rear side of the fixing plate, a first hand pulling plate is fixedly arranged on the end face of the rear side of the first reset spring, and a second reset spring is fixedly arranged between the second hand pulling plate and the first arc-shaped plate. According to the novel bronchoscope examination cover, the air bag is attached to the surface of a bronchoscope by inflating the air bag, the sealing performance of the examination cover is improved, dirt is prevented from flowing out of a gap, water in exhaled air can be absorbed by arranging activated carbon, water vapor is prevented from being attached to the surface of the examination cover body, and the examination cover is convenient to use. And the interior of the inspection cover body can be conveniently observed.

The invention discloses an occlusion device for generating cervical occlusion pressure and a method of using the same. The plugging device comprises a suction cup, the lower portion of the suction cup is in an outer arc shape, and the middle of the suction cup is connected with a hysteroscope access plugging pipe. The upper end of the first air bag is connected with an air feeding pipe, the outer side of the air feeding pipe is connected with the outer side of the hysteroscope access plugging pipe, and the end, away from the first air bag, of the air feeding pipe penetrates through the suction cup and is connected with the second air bag. Under the action of the vacuum pump, air between the suction cup and the outer wall of the cervix uteri can be sucked out, at the moment, air pressure between the suction cup and the outer wall of the cervix uteri becomes low and is smaller than external atmospheric pressure, and air pressure difference is formed, so that the suction cup can be adsorbed to the outside of the cervix uteri, and after the suction cup is adsorbed to the outside of the cervix uteri, the effect of blocking the cervix uteri can be achieved; normal saline is prevented from flowing out of the cervix, and the stability of the suction cup can be improved under the action of the first air bag.

The utility model relates to the technical field of packaging boxes, and discloses a heat preservation plastic packaging box which comprises a box body, the box body comprises a first heat insulation plate, an inert gas plate and a shock absorption layer, a top cover is arranged above the box body and comprises an elastic rubber sleeve, a sealing rubber buckle and a second heat insulation plate, a handle groove is formed in the upper end face of the top cover, and a handle is arranged in the handle groove. A lifting handle groove is formed in the top cover, a lifting handle body is installed in the lifting handle groove, a classification partition plate is fixedly arranged in the box body, and a first heat insulation plate is arranged in the inner wall of the box body. Sealing rubber buckles are arranged, finally, the four sealing rubber buckles on the top cover are correspondingly connected with clamping grooves in the box body, and the sealing rubber buckles are matched with elastic rubber sleeves, so that the box body is convenient to use; the sealing effect is greatly improved, the number of the sealing rubber buckles is four, the sealing performance is further improved, the second heat insulation plate can effectively prevent heat from entering or flowing out of connecting gaps, the heat preservation performance is further improved, meanwhile, the box body is sealed more firmly, and the stability of the box body is improved.

The invention relates to the technical field of crissum flushing, in particular to a pressing type crissum flushing device. The device comprises a supporting frame, a buffering cushion is slidably arranged at the top of the supporting frame, a flushing frame is arranged at the bottom of the supporting frame in a communicating mode, a spray head is embedded in the flushing frame, a flushing assembly is arranged at the bottom of the flushing frame, and the flushing assembly is used for preventing cleaning liquid from flowing out when the buffering cushion slides downwards. A guiding assembly is arranged in the connecting frame and used for guiding flushing fluid in an inclined mode when the water outlet pipe and the water outlet coincide and communicate for drainage. Through the design of the flushing assembly, when a patient sits on a buffer cushion, a supporting sliding frame can automatically slide downwards, so that a water outlet pipe and a water outlet are staggered, flushing liquid is effectively prevented from flowing out, the problem that waste water overflows to wet shoes and socks of the patient is solved, the body burden of the patient is greatly relieved, and more comfortable use experience is provided for the patient.