2653 results about "Internal cavity" patented technology

The embodiment provides a ventilation structure of a drying machine and the drying machine. The ventilation structure of the drying machine comprises a case; the inner chamber is arranged in the case; the air supply assembly is arranged in the case, the air supply end of the air supply assembly faces the inner cavity, and the air supply assembly conveys hot air to the inner cavity; the cabinet door is arranged in the case and is used for controlling the opening or closing of the inner cavity; when the inner cavity is in a closed state, an exhaust gap exists between the inner cavity and the cabinet door, and hot air conveyed to the inner cavity by the air supply assembly is exhausted out of the drying machine from the exhaust gap. An air circulation channel formed by the ventilation structure penetrates through the whole inner cavity, the drying effect can be improved, meanwhile, the ventilation structure of the drying machine does not need to be additionally provided with ventilation holes in the inner cavity, and therefore design work of the drying machine is reduced, and production efficiency of the drying machine is improved.

The invention provides a control method of an intestinal tumor resection robot combining preoperative images and intraoperative navigation, and relates to the technical field of medical instrument control. The method comprises the following steps: acquiring preoperative multi-modal image data of the intestinal tract of a patient, and performing three-dimensional reconstruction on the image data to generate an initial three-dimensional model; dividing a navigation area in the enteric cavity according to the initial three-dimensional model; based on the core area, collecting a dynamic image of the intestinal tract inner cavity in real time through intraoperative navigation equipment, extracting anatomical mark points in the dynamic image, registering the dynamic image with the initial three-dimensional model, updating tissue deformation parameters in the three-dimensional model, and obtaining an updated three-dimensional model; on the basis of the updated three-dimensional model, obstacles in the intestinal tract are recognized, and the minimum space distance between the obstacles and the robot tail end instrument is calculated; and according to the spatial distribution and the minimum spatial distance of the obstacles, an initial motion path of the robot tail end instrument is planned. According to the invention, the efficiency and accuracy of the intestinal tumor resection operation can be improved.

The invention belongs to the technical field of burning detection. The invention provides a cavity structure for firing residue detection, a detection system and a detection method. The cavity structure comprises a test cavity assembly and an upper cover assembly, the test cavity assembly comprises a cavity shell, an inner cavity body and a lifting driving mechanism, the inner cavity body is arranged in the cavity shell, the output end of the lifting driving mechanism is connected with the inner cavity body to drive the inner cavity body to move up and down, and when the inner cavity body ascends and is matched with the upper cover assembly to complete sealing, an inner cavity space for accommodating the test cup and the sample placing disc is formed; when the inner cavity descends and is separated from the upper cover assembly, the test cup and the sample placing disc are exposed in an outer cavity space formed by the cavity shell and the upper cover assembly; the inner cavity body is provided with an inner cavity heating element for heating the inner cavity space, and / or the upper cover assembly is provided with an upper cover heating element for heating the inner cavity space; according to the invention, the problems of long heating time, poor temperature uniformity and low temperature control precision during detection of the firing residues are solved, and the detection precision of the firing residues is greatly improved.

The utility model relates to the technical field of edible fungi, and discloses a fungus cultivation box capable of controlling temperature, which comprises a thermotank body, a control end and a box door. Through cooperative use of the adjusting assembly and the fixing mechanism, a user opens a box door, pulls out a fixing rod, leaves the fixing rod from an inner cavity of a clamping groove, places a container on the top of a placing plate, and then starts an electric push rod, the electric push rod drives a movable rod to move, and the movable rod extrudes a movable block; after being stressed, the movable blocks drive the clamping plates to move and extrude the springs, the clamping plates make contact with the containers, then the fixing rods are reset, the fixing rods enter inner cavities of the clamping grooves, limiting is completed, and the problems that according to most existing edible mushroom culture constant-temperature boxes, the containers containing edible mushrooms are directly placed on the placing plates, the containers are not limited, and the edible mushroom culture constant-temperature boxes are not limited are solved. And when the constant-temperature box is subjected to external force, the constant-temperature box deviates and even topples over, so that the cultivation process is influenced.

The invention relates to the technical field of oil and gas well completion sand prevention, in particular to a sand blasting perforation and sand prevention integrated combined operation device and a construction method. According to the technical scheme, a central pipe is installed in the center of an inner cavity of a jet pump assembly, the lower end of the central pipe extends out of the jet pump assembly, a liquid suction opening is formed in the lower middle portion of the jet pump assembly, a liquid outlet is formed in the outer wall of an upper connector, and a mixing cavity and a diffusion cavity are formed between the jet pump assembly above the liquid suction opening and the central pipe. An outlet of the diffusion cavity is communicated with the liquid outlet; the inner side of the central pipe is movably connected with a lower sliding sleeve; a nozzle is mounted on the jet pump assembly outside the lower flow transfer hole; and the inner side of the upper flow transfer hole of the central pipe is movably connected with a middle sliding sleeve. The method has the beneficial effects that the three processes of sand blasting perforation, blockage removal after perforation and ground filling sand prevention are completed by tripping in the tubular column once, so that the times of tripping the tubular column and using ground construction equipment are reduced, the construction efficiency is improved, the construction cost is saved, and the well control risk in the construction process is reduced.

The invention discloses a permeable hinged type ecological slope protection structure for sheltering benthonic animals in a canal. The permeable hinged type ecological slope protection structure is formed by distributing a plurality of slope protection blocks on a bank slope in an array mode. The slope protection block body is of an integrated structure and comprises an upper halfpace section and a lower rectangular enclosure frame section. An inner cavity of the slope protection block body is formed by a space enclosed by the lower rectangular enclosure frame section and a halfpace-shaped cavity in the upper halfpace section; lateral channels communicating with the inner cavity are formed in the left side and the right side of the slope protection block body, and the lateral channels on the two sides directly face each other. Through holes communicated with the inner cavity are formed in the top surface, the front side surface and the rear side surface of the upper halfpace section; the front side and the rear side of the lower rectangular enclosure frame section are respectively provided with a linkage hinge bayonet and a linkage hinge clamping block which are matched with each other; an induction adhesion layer is arranged on the top surface of the upper halfpace section; in the shoreline direction, the lateral channels of the adjacent slope protection block bodies are aligned and communicated; the adjacent slope protection blocks are clamped and matched in the direction perpendicular to the shoreline. According to the method, a relatively stable near-bottom shielding and slow-flow sheltering space can be formed, and habitat communication and attachment induction interface construction are considered.

The utility model relates to a suturing device. The suturing device comprises an outer sleeve and a suturing mechanism. A window allowing target tissue to enter is formed in the side wall of the far end of the outer sleeve, the window is communicated with an inner cavity of the outer sleeve, and the inner cavity is further used for being communicated with a negative pressure source. The suture mechanism is arranged in the outer sleeve and used for suturing the target tissue sucked into the window. When the suturing device is used for suturing a sampling channel, the suturing device extends into a preset part in the sampling channel to adsorb the target tissue on one side wall of the sampling channel, and the adsorbed target tissue protrudes out of the inner wall of the sampling channel; therefore, the suture mechanism can suture the target tissue sucked into the window. Therefore, a binding and pressing mode in the related technology does not need to be adopted, so that the rehabilitation time can be shortened, and the postoperative risk is reduced.

The utility model provides a bone drill, including a protective shell, a drive shaft, an inner ring cutting blade and an outer ring cutting blade; the protective shell has a containing inner cavity and a clearance gap laterally connected to the containing inner cavity, and the clearance gap also extends to the end of the protective shell; the drive shaft passes through the head end of the protective shell to extend into the containing inner cavity, the inner ring cutting blade and the outer ring cutting blade are arranged in the containing inner cavity of the protective shell and assembled on the drive shaft, the drive shaft, the inner ring cutting blade and the outer ring cutting blade are distributed in sequence from the inside to the outside and are coaxially arranged, and the inner ring cutting blade and the outer ring cutting blade are partially exposed in the clearance gap. In this way, a bone block of a set shape can be directly cut out without additional processing, and bone material is saved; at the same time, the area that does not need to be cut is blocked by the protective shell, and the protective shell can well protect the soft tissue from being scratched.

The invention belongs to the technical field of irrigation equipment, and discloses an anti-blocking water pumping pipe head device for irrigation, which is technically characterized by comprising a water pumping pipe and a protective cover, a filter plate is fixedly mounted in an inner cavity of the water pumping pipe, a central shaft is arranged below the filter plate, and a rotating assembly connected with the central shaft is arranged in the inner cavity of the water pumping pipe; an outer anti-blocking mechanism is arranged on the surface of the protective cover, the outer anti-blocking mechanism comprises a cutting assembly and a driving assembly, an inner anti-blocking mechanism matched with the filter plate is arranged in an inner cavity of the water pumping pipe, and the inner anti-blocking mechanism comprises an inner cutting blade, a supporting assembly, a swing assembly and a rolling assembly. And by arranging the cutting assembly to be matched with the driving assembly, the aquatic plants attached to the outer side of the protective cover can be efficiently and automatically smashed, the situation that the protective cover is blocked by the aquatic plants is effectively avoided, and the water pumping efficiency of the water pumping pipe is effectively improved.

The invention discloses a double-balloon type left ventricle auxiliary device which comprises an inlet tube, an outer balloon, an elastic support, an inner balloon, a catheter and a connecting piece. The inlet pipe is provided with a plurality of inflow windows and a one-way valve for controlling one-way flow of blood; the outer balloon has a folded state and an expanded state, in the conveying process, the outer balloon is in the folded state and can be contained in the conveying sleeve, and when the outer balloon reaches a designated position, the outer balloon is in the expanded state; the elastic support is attached to the surface of the external balloon, the elastic deformation of the elastic support enables the external balloon to be switched between a folded state and an expanded state, and the elastic support can provide radial supporting force in the expanded state, so that the external balloon is expanded and keeps a fixed volume; the internal balloon is arranged inside the external balloon, and contraction and expansion are realized by injecting gas or liquid, so that the volumes of inner cavities of the internal balloon and the external balloon are periodically changed, and the internal balloon and the external balloon are used for sucking and discharging blood; the catheter is provided with a medium cavity and a guide wire cavity, and the medium cavity is communicated with the internal balloon.

The utility model discloses a double-suction double-discharge reciprocating injection pump which comprises a pump body, a liquid inlet pipe and a liquid outlet pipe, two pistons are arranged in an inner cavity of the pump body at intervals in the length direction, the two pistons are movably assembled with the inner cavity of the pump body in a sealing mode, and the inner cavity of the pump body is divided into a first closed cavity, a sterilization air cavity and a second closed cavity by the pistons, a linkage rod located in the sterilization air cavity is arranged between the two pistons; one end of the pump body is provided with a first interface and a second interface which are respectively communicated with the first closed cavity, the other end of the pump body is provided with a third interface and a fourth interface which are respectively communicated with the second closed cavity, the first interface and the third interface are both communicated with the liquid inlet pipe, and the second interface and the fourth interface are both communicated with the liquid outlet pipe; one-way valves are arranged in the first connector, the second connector, the third connector and the fourth connector respectively. The liquid balance device can solve the problem of liquid balance of continuous blood purification equipment in a vibration impact environment of a moving occasion, simplifies the principle, and improves the reliability.

The utility model discloses a relay which comprises a relay body, a first shell and a second shell. The first shell comprises an inner cavity with an opening, and the relay body is arranged in the inner cavity through the opening; the second shell is connected with the first shell so as to seal the relay body in the inner cavity; the second shell is provided with a clamping groove, and at least part of the opening edge of the first shell is inserted into the clamping groove.

The invention provides a balloon forming device and method, and relates to the technical field of medical device.The balloon forming device comprises a far-end mold with a first inner cavity, a middle mold with a second inner cavity and a near-end mold with a third inner cavity which are connected in sequence, and after the far-end mold, the middle mold and the near-end mold are connected, the first inner cavity, the second inner cavity and the third inner cavity are formed; the first inner cavity, the second inner cavity and the third inner cavity are communicated and can contain a to-be-formed balloon piece. The first inner cavity at least partially accommodates a conical tube section at the far end of a to-be-formed balloon piece, and the third inner cavity at least partially accommodates a conical tube section at the near end of the to-be-formed balloon piece; at least one of the far-end mold and the near-end mold comprises an adjusting mechanism, the inner diameter of at least one of the first inner cavity and the third inner cavity can be changed by adjusting the adjusting mechanism, in this way, the hole diameter of the far-end mold and the hole diameter of the near-end mold can be adjusted, in the subsequent stretching process, the wall thickness of the conical part and the waist part of the balloon is reduced, and the balloon stretching efficiency is improved. And the wall thickness of the balloon is more uniform, so that the quality and the performance of the product are improved.

The invention discloses a basket mechanism and a biological sample storage device. The basket mechanism comprises a heat preservation box body, a transmission assembly, a basket hook and a driving motor. The heat preservation box body comprises a shell, a sealing door and a heat preservation gas conveying piece. The shell is hollow and provided with a bottom end opening. The sealing door is slidably mounted at the bottom of the shell; the heat preservation gas conveying piece is arranged on one side of an inner cavity of the shell, communicates with a gas source of heat preservation gas and is provided with a plurality of micropores. The transmission assembly is arranged on the other side of the inner cavity of the shell, the side, facing the heat preservation gas conveying piece, of the transmission assembly is connected with the basket hook, and a basket channel is formed between the transmission assembly and the heat preservation gas conveying piece and communicates with the bottom end opening. The output end of the driving motor is connected with the transmission assembly. By means of the arrangement, in the process that the basket mechanism is transferred or taken out, heat preservation operation can be automatically conducted on a sample tube, global low-temperature operation does not need to be conducted on a biological sample library, the speed is increased, and waste of refrigeration resources such as liquid nitrogen is avoided.

The invention relates to the technical field of piston pump leaking stoppage, and discloses a flow leaking stoppage device for a piston pump, which comprises a leaking stoppage clamp, the leaking stoppage clamp comprises a first clamp component and a second clamp component which are symmetrically arranged, and the first clamp component and the second clamp component are in a T shape rotating 90 degrees anticlockwise. A vertical pipe and a transverse pipe are clamped in the first clamp component and the second clamp component, inner cavities are formed in the first clamp component and the second clamp component, the inner cavities form a complete closed cavity when the first clamp component and the second clamp component are combined, and a first rubber pad is fixedly connected to the inner ring shell wall of the first clamp component and the inner ring shell wall of the second clamp component. After the inner cavity is filled with cooling water, the leaking stoppage clamp forms a wrapping type cooling clamp, the cooling effect on the pump cavity is achieved, the possibility that the sealing effect is reduced and water leakage is caused due to the fact that the temperature of the pump body is too high and the rubber sealing piece is thermally deformed is reduced, the leakage risk is reduced, and the service life of the piston pump is prolonged.

The utility model provides a feed grinder for marine product culture, which belongs to the technical field of marine product feed processing and comprises a crushing box, a crushing mechanism arranged in an inner cavity of the crushing box, a sieve plate arranged below the crushing mechanism, and a sieve vibrating component arranged at the bottom of the crushing box and used for driving the sieve plate to vibrate. A sieve plate is attached to the inner wall of a crushing box through a sieve vibrating assembly to slide up and down, a feeding barrel used for conveying screened feed is arranged on one side of the crushing box, a scraper is pushed through a pushing assembly, the bottom of the scraper is attached to the upper surface of the sieve plate to slide, and the feed which is not thoroughly crushed and screened out from the sieve plate is pushed to a material guiding channel; and then the recycled feed is conveyed to the top of the feeding barrel through the conveying assembly, so that the recycled feed enters the crushing box again, the feed which is not thoroughly crushed is crushed again, the feed crushing effect is guaranteed, and then it is guaranteed that aquatic creatures can eat the feed.

The invention relates to the field of flame arresters, and discloses a long-time flame arresting structure with an intra-cavity flow guide function, which comprises a shell provided with a pressure relief air inlet end, a pressure relief air outlet end and a cavity; the burning-resistant structure is arranged at the pressure relief exhaust end; and the cavity flow guide structure is arranged in the cavity and is used for dividing pressure relief airflow flowing into the cavity from the pressure relief air inlet end into a plurality of regional airflow flowing towards different regions of the burning-resistant structure. Thus, the cavity flow guide structure can actively divide pressure relief air flow flowing into the cavity from the pressure relief air inlet end, the divided multi-strand regional air flow can flow through different regions of the burning-resistant structure, heat in the burning-resistant structure is dispersed, the risks of tempering and burnthrough phenomena are effectively reduced, the fire retardance duration is effectively prolonged, and the service life of the fire retardant is prolonged. Therefore, the long-time fire-retardant structure can provide long-time burning-resistant protection when accidents such as fire break out at the pressure relief position of the storage tank of the petrochemical device occur, further expansion of the accidents is prevented, and more preparation time is reserved for emergency rescue.

The utility model provides a strutting test mould, including holding rod, actuating component and two oppositely arranged bracing plate, holding rod includes the near end block that is provided at the far end and axial through inner cavity, actuating component includes drive piece, far end block and transmission structure, drive piece can be movably penetrated in holding rod inner cavity, drive piece is equipped with the far end block and transmission structure, and drive piece is equipped with the far end block and transmission structure, and the drive piece is equipped with the far end block and transmission structure. The near-end block and the far-end block are both in sliding connection with the two supporting plates, the transmission structure is in transmission connection with the far-end block and the driving part, the driving part is rotated to drive the far-end block to move towards or away from the near-end block, and the two supporting plates are opened or closed accordingly. According to the expandable test mold, a doctor can accurately simulate the condition of an implant in a body only through one surgical instrument, test mold instruments with different specifications and sizes do not need to be frequently inserted and taken out in the surgical process, the surgical time can be shortened, damage to surrounding tissue can be avoided, and pain of a patient and surgical risks are reduced.

The invention relates to the technical field of animal experiment equipment, and discloses an isolated culture device for mouse sweet water preference test in an IVC cage, which comprises a shell cover, the partition plate is fixedly installed on the inner side wall of the shell cover, and an inner cavity of the shell cover is divided into a living area and a functional area through the partition plate; the sliding cover is arranged in the living area of the shell cover and used for containing solid feed, and multiple sets of feeding trough openings which are arranged at equal intervals are formed in the bottom of the sliding cover; according to the device, an innovative cage-in-cage design is adopted, a single cage is converted into a plurality of independent experiment units on the premise that an existing IVC system is not changed, and cage position resources are greatly saved. The functions of isolation, double-bottle water drinking and independent feeding are integrated, and convenient operation is achieved through the pull-out type fixing plate and the sliding cover plate. The centrifugal tube is adopted to replace a special water bottle, so that the cost is reduced, the SPF environment is kept in the whole process, data accuracy and reliability are ensured, and the traditional SPT test problem is effectively solved.

The invention provides a turbine blade inner cavity particle deposition prevention bionic shark placoid scale structure applied to micro-channel cooling, and belongs to the field of turbulent flow structures. The problems of how to improve the flow heat exchange characteristic of the micro pipeline of the turbine blade to the maximum extent and how to reduce the influence caused by particle deposition are solved. A plurality of bionic shark placoid scale turbulent flow structures are installed on a bottom plate in the middle of the interior of the micro-fine pipeline, the bionic shark placoid scale turbulent flow structures are turbulent flow structures in a channel and are arranged in a staggered mode from the bottom of the micro-fine channel 20 mm away from an inlet, the arrangement length is 20 mm, the cross section of the bottom face of each bionic shark placoid scale turbulent flow structure is a rectangle of 1 mm * 1 mm, the maximum height is 0.6 mm, and the cross section of the bottom face of each bionic shark placoid scale turbulent flow structure is a rectangle of 1 mm * 1 mm. And an included angle of 24.6 degrees is kept between the upper surface and the bottom surface. According to the invention, along with the increase of the air flow at the inlet of the pipeline, larger particles have higher energy, are not easy to deposit due to energy loss caused by collision, and are easier to blow away due to higher flowing speed.

The utility model belongs to the technical field of pet appliances, and particularly relates to a water lifting device of a pet water dispenser and the pet water dispenser. Comprising a shell, a stirring assembly installed on the shell and a driving assembly connected with the stirring assembly, the shell is provided with a lifting inner cavity, the lower side of the lifting inner cavity is a water inlet part, the upper side of the lifting inner cavity is a water outlet part, and the shell is further provided with a water inlet communicated with the water inlet part and a water outlet communicated with the water outlet part. The stirring assembly is arranged in the lifting inner cavity and used for guiding liquid of the water inlet part to flow to the water outlet part, and the driving assembly is used for driving the stirring assembly to rotate in the lifting inner cavity. A part serving as water pumping power and a driving part are integrated and modularized so as to be convenient to detach and clean, and the effect of convenient cleaning is achieved.

The invention discloses a gas-liquid separator and a method for determining the taper angle of a rotational flow assembly of the gas-liquid separator. The gas-liquid separator comprises a shell and the rotational flow assembly located in the shell. The rotational flow assembly comprises a fixed shaft, blades and a separation cylinder; the separation barrel divides a shell cavity of the shell into an inner cavity and an outer cavity, the outer cavity surrounds the inner cavity, and a main body of the separation barrel is in a big-end-up conical shape; the fixed shaft is located in the middle of the separation cylinder, the blade spirally extends downwards along the inner wall of the separation cylinder, the inner edge of the blade is fixed to the fixed shaft, and the outer edge of the blade is fixed to the separation cylinder; a spiral channel is formed between the blade and the separation cylinder; a first liquid discharge hole is formed in the cylinder wall of the separation cylinder, an inlet of the gas-liquid separator is formed in the top of the shell and communicates with the spiral channel, and an outlet of the gas-liquid separator is connected with a lower port of the separation cylinder. According to the gas-liquid separator, through structural optimization, the rotational flow intensity of downstream gas-liquid two phases can be kept, the adverse effect on gas-liquid separation caused by attenuation of the rotational flow intensity is effectively overcome, and the gas-liquid separation efficiency is improved.

The invention relates to the technical field of vulcanizing machine stripping, and discloses a steel wire rope core conveying belt vulcanizing and shifting mechanism which comprises a shifting device and a plurality of supporting rollers. The plurality of supporting rollers are pre-stored in the material shifting device and are sequentially released between the conveying belt and the hot plate by the material shifting device in the moving and material shifting process of the material shifting device; the material stirring device comprises a taking and placing mechanism, a collecting and storing mechanism and a shell. The taking and placing mechanism comprises a grabbing rod, and a first clamping jaw is fixed to one end of the grabbing rod. The collecting and storing mechanism comprises a second pipe, a plurality of containing cavities are formed in the second pipe, a second opening is formed between each containing cavity and an inner cavity of the first pipe in a communicating mode, and second clamping jaws are fixed to the positions, located on the two sides of the second opening, in the containing cavities; the shell comprises a third pipe, and a third opening is formed in the pipe wall of the third pipe. The supporting roller comprises a column body, and a plurality of clamping grooves matched with the first clamping jaw and the second clamping jaw are formed in the outer circumferential face of the column body at intervals in the axial direction. The material stirring device does not need to move to the position below the hot plate before and after material stirring, and no negative influence is brought to installation and use of the hot plate.

The invention discloses a purging and trapping device with a stirring function for detection and a use method, and relates to the technical field of food and environment monitoring. The device comprises a cylindrical shell, and the interior of the cylindrical shell is divided into a cylindrical inner cavity and an annular outer cavity through an annular partition plate. The air inlet pipe communicates with the cylindrical inner cavity, and the air outlet pipe communicates with the annular outer cavity. The sample box is rapidly installed through cooperation of the side edge limiting blocks and the annular groove and the vertical groove in the inner wall of the shell. When gas enters, the driving blades drive the stirring shaft to rotate, and the stirring blades automatically adapt to the sample depth. The circular-truncated-cone-shaped blocking block and the second taper hole are in linkage sealing, and it is ensured that gas is discharged after flowing through the sample. The using method comprises the steps of sample box installation, gas purging, circulation acceleration and the like. According to the device, the purging efficiency is improved, the operation is simplified, and the gas leakage risk is reduced.

The prostate stent conveyor with the balloon particularly relates to the technical field of medical instruments and comprises an outer tube, an inner tube coaxial with the outer tube is arranged in the middle of an inner cavity of the outer tube, the inner cavity at the left end of the inner tube is rotationally connected with a rotating assembly, and the right end of the rotating assembly is fixedly connected with a sliding assembly. The middle of the sliding assembly is fixedly connected with a guide rod, the outer surface of the guide rod is sleeved with an elastic assembly, a first guide pipe is arranged in an inner cavity of the inner pipe, the right end of the first guide pipe is fixedly connected with a balloon communicated with the inner cavity, and the inner wall of the outer pipe is fixedly connected with a guide-in assembly. According to the prostate stent conveyor with the balloon, a prostate stent can be fixed in the inner tube to be conveyed by arranging the inner tube, the stent is prevented from damaging prostate tissue of a patient in the conveying process, the stent can be fixed in the conveying process by arranging the balloon, after the stent is conveyed to a set position, the balloon is blown firstly, and then the balloon is blown to the set position. Therefore, the pain of the patient can be relieved.

The utility model discloses a demister and a demisting system. The demister comprises a barrel body, a flow guide assembly and an oil collecting assembly, the barrel body comprises an inner cavity, a first end and a second end, the first end and the second end are oppositely arranged, and the first end is an air exhaust end; the flow guide assembly comprises a horn outer shell, a horn inner shell and a plurality of flow guide blades distributed between the horn outer shell and the horn inner shell, the horn outer shell comprises a first small opening and a first large opening, the horn inner shell comprises a second small opening and a second large opening, the first small opening is a mist inlet, the second small opening is closed, and the second large opening is closed. The first large opening is connected with the first end, and a flow guide channel communicated with the inner cavity is formed between every two adjacent flow guide blades; the oil collecting assembly comprises an oil collecting shell with an oil collecting cavity and an oil pipe, the oil collecting cavity is communicated with the inner cavity, and the oil collecting device has the advantages of being good in demisting effect, simple in structure, free of filtering, good in demisting effect, capable of saving cost and capable of improving collecting efficiency.

The peak closed type condensation cooler comprises a box body, and an air mixing chamber is arranged on the upper portion of an inner cavity of the box body; two connected fog dispersal modules are arranged in the box body, a resistance reducing shutter and a water distribution device are sequentially arranged between the fog dispersal modules and the side wall of the box body, and the two fog dispersal modules, the resistance reducing shutter and the water distribution device divide a lower cavity of the box body into a first cavity, a second cavity and a third cavity; the fog dispersal module is provided with a cold air channel and a hot air channel which communicate with the air mixing chamber. Through the structural design of bottom air inlet, the sufficient fresh air introduction area can be achieved on the premise that the height of equipment is not increased, then the air path resistance is reduced, the fan operation pressure head and energy consumption are reduced, and the overall energy-saving performance of the equipment is improved. Meanwhile, on the premise that the vertical size of the equipment is not increased, the lift requirement of the spraying water pump is reduced, the energy consumption and the operation burden of the water pump are reduced, and the operation economical efficiency and the structure compactness of the whole equipment are improved.

The utility model relates to the technical field of excrement air-drying sterilization, and discloses a novel excrement sterilization dryer which comprises a storage pool used for storing excrement, a draw-off pump, a draw-off pipe, an output pipe, a crushing mechanism, a centrifugal separation mechanism, a transmission mechanism, a conical spiral dry-wet separator, an excrement air-drying collection box and a baffle. The draw-off pump is located at the top of the storage pool, the draw-off pipe is located on the left side of the draw-off pump and fixedly communicated with the left side of the draw-off pump, the output pipe is located on the right side of the draw-off pump and fixedly communicated with the right side of the draw-off pump, and the bottom of the draw-off pipe is communicated with an inner cavity of the storage pool in an inserted mode. And the bottom of the output pipe is horizontally aligned with the top of the crushing mechanism. The problems that in the using process of an excrement dryer, there is no assembly capable of rapidly crushing, separating and sterilizing excrement, the excrement treatment effect is reduced in the air drying process, and therefore the excrement dryer is not convenient for a user to use are solved.

The utility model relates to the technical field of articles for daily use, in particular to a sucking pipe, a water nozzle and a water bottle capable of preventing scalds during sucking, which comprise a pipe body and an anti-scald component mounted on the pipe body, the pipe body is provided with a hollow pipe channel, the anti-scald component comprises a mounting shell arranged on the pipe body and a deformation part for deformation due to overheating expansion, and the deformation part is provided with an anti-scald opening. The deformation part is located in a shell inner cavity of the installation shell, the shell inner cavity is provided with at least two channel openings communicated with the outside, and the pipe channel is communicated with one channel opening, so that the pipe channel is communicated with the shell inner cavity. The deformation piece capable of deforming through overheat expansion is adopted in the suction pipe, when water liquid with the too high temperature is sucked into the anti-scald assembly, the deformation piece deforms through overheat expansion to achieve the blocking effect so as to prevent the water liquid from continuously flowing, the effect of preventing scalding caused by suction is achieved, external tools and skin-sensing temperature measurement are not needed, the overheat feedback response is rapid, and the anti-scald effect is good. The overall structure is simple, production and installation are convenient, and manufacturing cost is reduced.

The present invention relates to the field of rock mechanics technology, and provides a three-dimensional water absorption swelling multifunctional experimental machine and method for chemical swelling rock, comprising a triaxial high-temperature and high-pressure reaction chamber, the triaxial high-temperature and high-pressure reaction chamber is respectively connected with a confining pressure loading controller, a water pressure loading controller, a temperature controller, an axial pressure loading controller, a pH value monitor and a data acquisition and analyzer; the triaxial high-temperature and high-pressure reaction chamber includes a set of internal cavity and an external cavity, a sealing liner sleeve is provided between the internal cavity and the external cavity, a rock sample is provided in the internal cavity, a water-permeable pressure hoop is provided outside the rock sample, and the sealing liner sleeve is connected with a circumferential stress-strain sensor through a displacement structure.