55results about How to "Avoid choking" patented technology

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 present invention relates to a cup lid comprising: a main lid body for attachment to a cup body, the main lid body having a first opening formed thereon, the first opening providing a first path for attachment to the inside of the cup body when the main lid body is attached to the cup body; the sucking part is installed on the main cover body, the sucking part extends upwards and is in a C shape facing the first opening, a second opening is formed in the sucking part, and when the main cover body is attached to the cup body, the second opening provides a second path attached to the interior of the cup body; wherein a horizontal interval is formed between the first opening and the sucking part, the first opening is located at a low position, and the second opening is located at a high position, so that when the cup body is inclined for direct drinking, the horizontal interval is converted into a high-low fall surface capable of reducing water flow impact, and the lip cannot cover the whole sucking part and the first opening at the same time, so that gas circulation in the direct drinking process is met. Through the cooperative design of the first opening, the second opening and the sucking part, different drinking requirements of sucking, small-amount direct drinking, large-amount direct drinking and the like can be met.

The throat drug delivery device comprises a drug storage cylinder, one end of the drug storage cylinder is in threaded connection with a dismounting cap, one end, away from the drug storage cylinder, of the dismounting cap is fixedly connected with a silica gel drug delivery tube, the other end of the drug storage cylinder is provided with a boosting structure, and the surface of the drug storage cylinder is provided with a drug delivery depth adjusting structure. The dosing depth adjusting structure comprises a spring clamping sleeve installed on the surface of the medicine storage barrel in a sliding mode, the surface of the spring clamping sleeve is sleeved with a conical barrel, one end of the conical barrel is in threaded connection with a locking nut, and the other end of the conical barrel is fixedly connected with a silica gel mouthpiece. Compared with the prior art, the throat administration device for the respiratory medicine department has the advantages that the depth of the silica gel administration tube penetrating into the oral cavity of a patient can be controlled by the administration depth adjusting structure, the silica gel administration tube is prevented from stabbing the throat of the patient, and meanwhile, after the patient holds the silica gel mouthpiece, the lips are in a closed state, and the patient can inhale by the nose; and the problem that the medicine powder enters the airway of the patient and chokes the patient is avoided.

The mine supporting device with the alarming and survival functions comprises a side blocking frame and a top frame, the side blocking frame comprises a plurality of stand columns and lateral blocking columns, the lateral blocking columns penetrate through the stand columns, the tops of the stand columns are fixedly connected with connecting bases, and the top of each connecting base is fixedly connected with one side blocking frame. The top frame comprises a connecting plate, a longitudinal supporting plate, a transverse supporting plate, a crossed top net and a partition plate, the bottom of the partition plate is fixedly connected with the transverse supporting plate and the longitudinal supporting plate, the partition plate is provided with a through groove, and the upper side and the lower side of the partition plate are provided with a positive pressure space and an operation space respectively. The device has the beneficial effects that people can move to a safe area through the positive pressure space, meanwhile, air in the positive pressure space has certain positive pressure, smoke in the working space is prevented from entering the positive pressure space through the through groove, and the advantage that people can easily evacuate from danger is achieved.

The utility model discloses a ship-shaped stretcher with high safety, and relates to the field of medical instruments. The stretcher comprises a stretcher body, one side of the stretcher body is fixedly connected with a mounting groove, the interior of the mounting groove is rotatably connected with a rotating shaft, the outer surface of the rotating shaft is wound with a waterproof film roll, one end of the waterproof film roll is fixedly connected with a cover plate mechanism, and the cover plate mechanism comprises a shell. The stretcher comprises a stretcher body, a mounting groove, a waterproof film, a cover plate mechanism and a connecting groove, a guide rod is fixedly connected to the interior of the shell, a clamping block is connected to the guide rod in a sliding mode, and a spring is fixedly connected between the clamping block and the guide rod, the stretcher body, the mounting groove, the waterproof film, the cover plate mechanism and the connecting groove are arranged, and the waterproof film roll and the cover plate mechanism on the stretcher can be rapidly unfolded when needed; external liquid such as rainwater is effectively prevented from permeating into the stretcher, a patient is kept dry and comfortable, and accidents such as water inhaling are avoided.

The utility model discloses a clinical drug delivery device for medical oncology, which comprises a drug delivery cylinder, two partition plates are respectively arranged in the drug delivery cylinder, the drug delivery cylinder is sequentially divided into a drug feeding cavity, a drug discharging cavity and a drug discharging cavity from top to bottom by the two partition plates, drug holes A are uniformly formed in the surfaces of the partition plates, and the drug holes A are communicated with the drug feeding cavity. According to the clinical drug delivery device for the medical oncology, the drug delivery cylinder is divided into the drug adding cavity, the drug discharging cavity and the drug outlet cavity through the two partition plates, rotating mechanisms are arranged at the upper end and the lower end of the interior of the drug discharging cavity, and drug holes A in the surfaces of the partition plates are controllably closed and opened through rotating plates and drug holes B; the medicine taking speed of a patient is controlled, the patient is prevented from being choked, a medicine or mixed liquid medicine can be guided through a fixing rod and a spiral discharging plate, the surface of a lower surface plate is cleaned through a medicine sweeping brush, and the situation that the medicine or the mixed liquid medicine is accumulated, and the medicine administration effect on the patient is affected is avoided.

The invention discloses an auxiliary feeding device for a patient with dysphagia, and relates to the technical field of auxiliary feeding, the auxiliary feeding device comprises a spoon head and a spoon handle which are used for assisting feeding, a shell is arranged on the spoon handle, a temperature and weight measuring assembly is arranged in the shell, an auxiliary blowing assembly is arranged at one end of the shell, and an illuminating lamp is further arranged on the shell; the temperature of food is obtained through the thermosensitive coil in the spoon head, the spoon head drives the connecting plate to rotate under the action of the weight of the food, the weight data of the food is transmitted to the display screen through the weight measuring triggering mechanism, the temperature and the weight of the food are displayed through the display screen, and air is blown to the food in the spoon head by pressing the air bag during feeding. Food adhered in the spoon head is blown off, the feeding efficiency is improved, the temperature of the food is reduced, a patient is prevented from being scalded, the interior of the oral cavity of the patient is conveniently observed by turning on an illuminating lamp, and food accumulation is prevented; the device has the advantages of being comprehensive in function, convenient to use, high in feeding efficiency and simple in structure.

The utility model relates to a mistaken-suction-preventing water cup capable of adjusting the water outlet amount. The top of the outer cup is provided with an outer cup connecting part, the bottom of the cup cover is provided with a cup cover connecting part, a cup cover protruding nozzle is arranged in the middle of the cup cover, and a buckling cover is installed on the cup cover in a hinged mode. An inner support with a hollow hole is arranged in the cup cover, a hard suction pipe is arranged in the center of the inner support, a flexible suction nozzle is installed at the upper end of the hard suction pipe in an inserted mode, a switching block which is internally provided with a channel and made of silica gel is installed at the lower end of the hard suction pipe, and the multi-cavity inner cup comprises an outer cylinder body and an inner cylinder body. A bottom plate is arranged between the bottom edges of the outer barrel and the inner barrel, a plurality of partition plates are arranged between the outer barrel and the inner barrel, a plurality of water outlet holes communicated with the water storage cavities are formed in the root of the inner barrel, the adapter block is located in the inner barrel, and when the multi-cavity inner cup is rotated, the water outlet holes can be in butt joint with a front port of the channel. The single-time water outlet amount can be adjusted and set, and the problem that a user sucks by mistake is solved.

The utility model provides a water feeding device for a cardiac surgery patient, belongs to the technical field of medical instruments, and aims to solve the problems that the patient drinks water mostly through the suction action of the patient when drinking water, and the phenomenon of bucking or mistaken suction of the patient is easily caused due to non-uniform water quantity. The two positioning brackets are rotationally arranged on the left and right sides of the inner end of the mounting bracket respectively; the water storage cylinder is fixedly connected to the upper ends of the inner sides of the two positioning brackets; the water guide cylinder is fixedly connected to the lower ends of the inner sides of the two positioning brackets; the water guide cylinder is fixedly connected with the water storage cylinder through a communicating piece; the water drinking auxiliary mechanism is arranged on the inner sides of the communicating piece and the drainage piece; the drinking pipe is fixedly connected to the outer side of the bottom end face of the drainage part; according to the device, the opening state of the water outlet is automatically controlled, the uniformity of the water amount of each water outlet in the water drinking process of a patient is guaranteed, the bucking or mistaken suction phenomenon of the patient is avoided, and the using effect of the device in the actual application process is improved.

The invention belongs to the technical field of medical apparatus and instruments, and discloses a mask supporting device and a mask manufacturing method.The mask supporting device comprises a shell, a mask supporting part, a mask supporting part and a mask supporting part, the shell is internally provided with a breathing channel, and the breathing channel is used for being connected with a trachea sleeve installed after laryngeal or hypopharyngeal tumor resection; the housing can support a radiotherapy positioning mask so as to provide forming support for the mask while protecting the trachea sleeve. According to the mask supporting device, the trachea sleeve is effectively protected through the breathing channel in the shell, mask materials are prevented from making direct contact with or extruding the trachea sleeve, and therefore breathing safety of a patient is guaranteed. Meanwhile, the external structure of the shell provides a stable supporting point for the mask, so that the mask can keep a proper shape and space at the position of the trachea sleeve of the patient, and the situation that the mask extrudes the trachea sleeve to stimulate the airway of the patient to cause bucking and finally cause radiotherapy positioning errors due to slight movement of the patient is avoided.

The utility model relates to the technical field of animal husbandry drenching devices, in particular to an adjustable drenching device which comprises a drenching tube body, a sleeve is arranged at the left end of the drenching tube body, a drenching head is arranged at the right end of the drenching tube body, an inserting rod is inserted into the sleeve, a connecting rod is inserted into the inserting rod, and the drenching tube body is connected with the connecting rod. The left end of the connecting rod is fixedly connected with a pull block, and a movable block is arranged in a cavity of the sleeve. The medicine tube body and the connecting block can be rapidly connected through the rotating assembly, so that different types of medicine tube bodies can be used for feeding medicine for different livestock, the application range of the device is wide, the structure is simple, and the connecting mode is rapid. In addition, the length of the inserting rod in the sleeve can be quickly adjusted by rotating the adjusting structure so as to adjust the overall length of the device, so that medicine can be conveniently and quickly fed to livestock farther in the cage, and the convenience of medicine feeding is improved.

The utility model belongs to the medical disinfection apparatus technical field, concretely relates to a sputum of pulmonary tuberculosis patient disinfection collection device, include: the bag body, the bag body includes the outer layer bag body and the inner layer bag body, the outer layer bag body is connected with the inner layer bag body and forms a containing cavity, the inner layer bag body sets up in the outer layer bag body inside, be equipped with the disinfection powder in the containing cavity. This scheme has solved the problem that the sputum of pulmonary tuberculosis patient cannot be disinfected in time and effectively, and facilitates the scientific and effective management of the sputum of hospitalized pulmonary tuberculosis patients, avoids causing pollution to the environment, reduces the secondary dissemination of tubercle bacillus.

The utility model discloses a medicine feeding assistor for babies, which relates to the technical field of mother and baby products and comprises a plunger structure, the plunger structure comprises a barrel and a push rod, a push plug is arranged at the front end of the push rod, and the push plug is used as a piston in the barrel and is mounted in the barrel. The end cap is used for being installed at the front end of the barrel body, the nipple cover is installed on the end cap, a filter screen is installed at the front end of the barrel body, the end cap comprises a flat plate blocking the front end of the barrel body, one end of the guide pipe penetrates through the flat plate and is communicated with the barrel body, and the other end of the guide pipe is communicated with the nipple cover. The other end of the catheter extends to the front end of the nipple cover and is communicated with a medicine outlet hole in the front end of the nipple cover, and the rear end of the nipple cover is fixed to the front end of the flat plate. According to the scheme, the extrusion flow of liquid medicine in the medicine feeding process is easier to control, and the device is more friendly to babies.

The utility model relates to the technical field of medicine feeders, and discloses an improved child medicine feeder with an anti-choking function, which comprises a main body mechanism, and an auxiliary mechanism is arranged on the outer side of the main body mechanism; the main body mechanism comprises a cylinder, a medicine pusher is slidably connected to the interior of the cylinder, a pull ring is fixedly connected to the upper portion of the medicine pusher, a medicine outlet pipe is fixedly connected to the lower portion of the cylinder, a filter pipe is connected to the lower portion of the medicine outlet pipe in a clamped mode, a filter screen is installed in the filter pipe, and a nipple is connected to the lower portion of the cylinder in a threaded mode. According to the improved child medicine feeder with the anti-choking function, particle residues left in medicine liquid are filtered through the filter screen, and the problem that a child sucks the medicine liquid residues and is choked is solved.

The utility model relates to the technical field of baby products, in particular to a portable easy-to-suck anti-choking and anti-leakage nipple bottle which comprises a bottle body, a bottle cap is installed at the upper end of the bottle body, a rotating groove is formed in the bottle cap, a rotating disc is installed in the rotating groove, a flow guide groove is formed in the rotating disc, and communicating grooves are formed in the upper face and the lower face of the inner wall of the rotating groove. The inner wall of the rotating groove is provided with a plurality of moving grooves, the outer wall of the bottle cap is provided with annular grooves, the annular grooves are communicated through the moving grooves, the outer wall of the rotating disc is fixedly connected with a plurality of moving blocks, and the moving blocks are located in the moving grooves respectively. A rotating ring is installed in the circular ring groove, and the inner wall of the rotating ring is fixedly connected with the other ends of the multiple moving blocks. According to the anti-choking milk bottle, through the simple structure, the anti-choking milk bottle has the anti-choking and anti-milk-leakage functions of the milk bottle at the same time, and operation is easy.

The invention provides an oral cavity supporting device for endoscopy. The oral cavity supporting device for endoscopy comprises a supporting assembly, an upper jaw assembly, a lower jaw assembly, a guide pipe and a guide plate. Wherein the upper jaw assembly is arranged at the top of the supporting assembly in a sliding mode in the horizontal direction; the lower jaw assembly is arranged at the bottom of the supporting assembly in a sliding mode in the horizontal direction. The guide pipe is arranged in the middle of the supporting assembly in a penetrating mode. The flow guide plate is detachably arranged on the rear portion of the supporting assembly. The oral cavity supporting device for endoscopy can adapt to mouth shapes of different sizes, and has the advantages of being wide in application range and high in occlusion comfort degree.

The utility model discloses a food and medicine feeding device with a flow control function, and belongs to the field of medical instruments. A food and medicine feeding device with a flow control function comprises a tank body and a sealing cover connected to the tank body in a threaded mode and further comprises a suction pipe installed on the sealing cover through a pressing pump and a limiting ring fixedly connected to the sealing cover, the suction pipe is sleeved with the limiting ring, and a pressure applying piece is installed on the limiting ring through an adjusting piece. The pressure applying sheet is used for extruding the straw; through the arrangement of the pressing pump, liquid food or medicine in the tank body can be pumped into the suction pipe, then the adjusting piece controls flow of the suction pipe, bucking of a patient can be avoided, meanwhile, the liquid inlet valve and the liquid outlet valve arranged on the pressing pump can prevent the liquid food or the medicine from flowing back, and the pressing pump is in threaded connection and insertion connection with the sealing cover and the suction pipe, so that the liquid food or the medicine is prevented from flowing back. Disassembly can be rapidly achieved, and therefore the cleaning quality and efficiency of the food taking or medicine feeding device are improved.

The present application relates to a kind of integrated oral fixation and medicine pouring livestock medicine pouring device, including fixator and medicine storage box, the fixator includes bite plate, a plurality of protective shafts are arranged between the symmetrically distributed bite plate, the middle part of connecting shaft is fixedly connected with connecting plate, one end of connecting plate is fixedly connected with liquid outlet plate, opening and closing piece is further arranged between bite plate, drive element is arranged between opening and closing piece and connecting plate, the opening and closing piece includes fixed stake fixedly connected in the side similar to bite plate, both ends of fixed stake are rotatably connected with hinged plate, and upper and lower distribution two hinged plate end position is rotatably connected with hinged shaft, and the outside of hinged shaft is fixedly connected with suction magnetic strip.The present application realizes the beneficial effect of self-adaptive regulation unit time dosing according to the size of livestock and oral opening degree, avoids small livestock overdosing and causes cough, and also eliminates large livestock waste caused by insufficient dosing, accurately matches the safe medicine pouring demand of different sizes.

The utility model belongs to the technical field of cup covers, and particularly relates to a straw sealing structure of a cup cover, which comprises a cover body and a turning cover which are rotatably connected, a straw is arranged on the cover body, the straw comprises a suction nozzle extending between the cover body and the turning cover, the turning cover can cover the cover body and seal the suction nozzle, a containing cavity is arranged on the lower side of the turning cover, and the containing cavity is communicated with the cover body. A pressing block corresponding to the suction nozzle is arranged in the containing cavity, an inserting groove is formed in the upper end of the suction nozzle, the control turning cover covers the cover body, the pressing block can penetrate into the inserting groove and drive the upper end of the suction nozzle to be bent and sealed towards the side face through the inserting groove, and therefore the suction nozzle is sealed. The straw sealing structure of the cup cover is simple in structure, good in sealing effect and convenient for a user to use.

This utility model discloses an oral care stick, including a sponge block, a hollow rod, a piston, and a push rod. The sponge block is connected to one end of the hollow rod, the piston is embedded in the hollow rod, and the push rod is connected to the piston and extends out of the hollow rod from the end away from the sponge block. A diaphragm is provided inside the hollow rod near the sponge block, and at least one slit is provided in the middle of the diaphragm. Disinfectant is stored between the diaphragm and the piston. The amount of disinfectant seeping into the sponge block is controlled by the piston and the push rod. The moisture of the sponge block can be adjusted according to the moisture level of the patient's mouth to avoid aspiration or choking.

The invention discloses a full-nutrient formula mousse product special for tumor patients and a preparation method, and relates to the technical field of full-nutrient mousse, and the preparation method comprises the following steps: preparing lipidosome coated with nutrients, preparing nanoparticles coated with trace elements, modifying the surfaces of the lipidosome and the nanoparticles with a targeting substance, and preparing the full-nutrient formula mousse product. All the raw materials are mixed to prepare the full-nutrient mousse, and the full-nutrient mousse has the advantages that some nutrients which have an auxiliary effect on tumor treatment but are poor in stability or difficult to absorb in gastrointestinal tracts are wrapped in nano-particles through a nanotechnology; the surface of the nano-particles is modified with a targeting substance which can be specifically recognized and taken by tumor tissues or immune cells, so that the concentration of the nutrients in a tumor microenvironment or an immune regulation site is improved, the action effect of the nutrients is enhanced, vitamin C is prepared into a nano-liposome wrapped form and is added into mousse, and the mousse has the effect of improving the tumor microenvironment or immune regulation site. Liposome can protect vitamin C from being damaged by gastric acid and enable the vitamin C to be more effectively absorbed by intestinal tracts.

The utility model relates to the technical field of liquid food feeding auxiliary equipment, in particular to a digestive tract liquid food supply device which comprises a liquid food bottle, the liquid food bottle comprises a handheld end and a separation end, the handheld end is detachably connected with the separation end, cleaning of the interior of the liquid food bottle is facilitated, the end portion of the separation end is communicated with a flow stopping cavity, and the flow stopping cavity is communicated with a hose. The flow limiting column is embedded in the flow stopping cavity, and the position of the flow limiting column is adjusted and controlled to change the pipe opening exposure area of the separation end, so that the effect of adjusting and controlling the feeding speed is achieved, and choking is avoided; and the air pressure valve is arranged at the handheld end, when the air pressure valve is closed, even if the flow limiting column shifts, the liquid food cannot flow out, the problem of leakage when the liquid food bottle is accidentally touched or laterally inclined is avoided, and the packaging tightness of the liquid food is improved.

The invention relates to a high-flow temperature and humidity oxygen therapy joint for a tracheotomy patient, which comprises a corrugated connecting pipe, one end of the corrugated connecting pipe is provided with a first quick plug for connecting a high-flow temperature and humidity oxygen output pipe, and the other end of the corrugated connecting pipe is connected with a straight pipe; a second quick plug connected with a trachea cannula is arranged at one end of the straight pipe, and an exhaust hood is arranged at the other end of the straight pipe; an opening is formed in the exhaust hood, an annular cavity is formed in the periphery of the opening, the four edges of a movable rod plate are arranged in the annular cavity in a sliding mode, the center of the movable plate is rotationally connected with a turning cover, and a plurality of exhaust holes are formed in the turning cover in an array mode. A V-shaped elastic piece is further fixed to the movable plate, and the free end of the V-shaped elastic piece abuts against the end, away from the rotating shaft of the turning cover, of the turning cover so that the turning cover can keep the closing tendency in the natural state.

The present invention discloses a self-heating life jacket air bag gas supply tank in the technical field of life jacket gas supply tanks, comprising a tank shell, a switch for triggering the generation of gas, a battery for powering supply and an ignition head for triggering the gas generation of a gas generating agent, wherein the switch is fixedly arranged on the inner wall of the bottom end of the tank shell, and the switch contact passes through the tank shell, and the battery is fixedly arranged on the inner wall of the tank shell at the upper end of the switch; the ignition head is fixedly arranged on the upper side of a partition fixedly arranged on the inner wall of the tank shell at the upper end of the battery, and passes through the partition; the present invention solves the problem that existing gas storage tanks are often inflated quickly, thereby quickly filling the life jacket to provide buoyancy, and since the coolant and the gas generating agent are encapsulated in the two cavities of the gas tank, instantaneous excitation may cause the high-temperature gas to not have time to quickly mix with the coolant, thereby causing the high-temperature gas to directly enter the life jacket, which may cause the life jacket to be damaged and fail due to high temperature.

The invention discloses a drenching device for animal husbandry and veterinary medicine, and belongs to the technical field of animal husbandry breeding instruments. The drenching device for the animal husbandry veterinary medicine comprises a medicine supply device, a medicine passing pipe and a nozzle, and is characterized by further comprising a plug used for plugging a pipe hole of the medicine passing pipe, a plurality of through holes are formed in the outer edge of the plug, and the pipe hole of the medicine passing pipe is communicated with a spout of the nozzle through the through holes; the end, close to the medicine passing pipe, of the L-shaped connecting rod abuts against the end, away from the medicine passing pipe, of the plug, the end, away from the medicine passing pipe, of the L-shaped connecting rod extends out of the nozzle and abuts against the tongue of the livestock, and when the livestock swallow, the tongue of the livestock can drive the far end of the L-shaped connecting rod to rotate, so that the near end of the L-shaped connecting rod is driven to apply extrusion force towards a pipe hole of the medicine passing pipe to the plug; and the tube hole of the medicine passing tube is blocked by the plug. According to the drenching device for animal husbandry and veterinary medicine, bucking caused by the fact that livestock cannot swallow liquid medicine in time can be avoided, the safety of the livestock drenching process is guaranteed, and medicine waste is avoided.

This invention discloses a visual anti-caries probiotic lozenge and its preparation method, belonging to the field of pediatric oral care technology. The invention uses *Lactobacillus rhamnosus* SD11 as the core functional strain, employing spray drying technology for single-layer microcapsule encapsulation, combined with a pH-responsive natural pigment color development mechanism, and compounded with xylitol, calcium carbonate, and vitamin D3 to produce an oral lozenge. This product inhibits cariogenic bacteria by regulating the oral microecology, achieving caries prevention, and visually indicates oral health status through color changes. Simultaneously, the strain can reach the intestines to exert systemic regulatory effects. This invention utilizes spray drying microencapsulation and dry granulation processes, resulting in high production efficiency, stable quality, and advantages such as high safety, good compliance, clear efficacy, and suitability for industrial production. It is suitable for long-term daily use by children aged 2-12 years.

The utility model discloses a lid connecting structure of sports water bottle, including the combination ring (2) of buckling in the bottle body (1) top, its inside setting valve seat (3) with annular recess (4). The valve seat (3) center installs the elastic valve (5) to the bottle body inside, and the valve edge is fixed and is clamped into annular recess (4), and the valve seat (3) is connected with the combination ring (2) through the support platform (7) of interference fit, and the support platform (7) below is communicated with the straw (8). When drinking, liquid flows through straw (8), support platform (7), valve seat (3) and elastic valve (5) in turn. The structure controls liquid flow through the deformation of elastic valve (5) accurately, avoids coughing and choking, and the valve forms a seal by recessing into the bottle in a static state, preventing liquid leakage when pouring. The annular recess (4) and valve clamping design improve structural stability, reduce the risk of falling off and prolong the service life.

This utility model relates to the field of cotton carding machine technology, specifically a cotton carding machine for preventing material jamming. It includes a frame, on which a dust removal and impurity removal system is installed. A roller positioning system is located at the rear end of the dust removal and impurity removal system, and a feeding system is located at the front end of the frame. It also includes an anti-jamming system installed on the feeding system. The anti-jamming system includes a bracket, which is located at both ends of the feeding system. A hydraulic cylinder is fixedly installed on the bracket. The hydraulic cylinder has a vertically downward output end that is fixedly connected to a horizontal plate. The hydraulic cylinder has a lifting function on the horizontal plate. By adjusting the height of the horizontal plate, the distance between the carding system and the lower carding plate is adjusted, thereby adjusting the feed rate. The carding system is reciprocated by a drive system. The carding system works in conjunction with the lower carding plate to card the material, preventing tangled material from entering the cotton carding machine and causing choking.

The utility model relates to the technical field of stomach tubes, and discloses a stomach tube capable of preventing regurgitation of gastric juice, which comprises a tube body, symmetrical cavities are arranged in the tube body, stomach tube bodies are fixedly connected to two ends of one of the cavities on the tube body, one end of one of the stomach tube bodies is fixedly connected with a head end, and the other end of one of the stomach tube bodies is fixedly connected with a connecting rod. A negative pressure pipe is fixedly connected to one end, located in the other cavity, of the pipe body, a side hole is formed in the other end of the pipe body, a connector is fixedly connected to the upper end of the negative pressure pipe, and a protective shell is slidably connected to the outer wall of the connector; according to the stomach tube capable of preventing regurgitation of gastric juice, when regurgitation of gastric juice occurs, a single cavity is changed into double cavities, and a negative pressure suction pipeline is additionally arranged, so that regurgitation substances are sucked thoroughly in time through the negative pressure tube on the stomach tube when the regurgitation substances in the stomach of a patient enter the esophagus, and consequences such as aspiration caused by regurgitation and the like are reduced to the greatest extent; the stomach tube is directly sucked out of the esophagus through the suction effect of the negative pressure, and serious consequences such as bucking and aspiration caused by continuous upward movement are avoided, so that the safety is higher when the stomach tube is used.