16results about How to "Fast inflation" patented technology

The invention relates to the technical field of compressed air energy storage, in particular to a tunnel type air storage chamber for compressed air energy storage. By arranging the first flow guide plate or the bent pipeline, air is inflated in the air inlet direction in the axial direction of the annular chamber in a one-way mode, so that annular flowing is formed in the annular chamber, and it is avoided that after inflation airflow directly blows the hole wall, vortex is formed at the hole wall; and then two air flows which are opposite in direction and equivalent in flow are generated to flow towards the two sides respectively and meet in a certain section in the annular chamber to form a zero flow velocity phenomenon, so that the risk of generating a local extreme high temperature phenomenon in an air inflation stage is reduced, and the air inflation speed is increased, the air storage efficiency is improved, and the energy utilization rate is improved.

The invention belongs to the technical field of lifesaving appliances, and discloses a swim ring with a self-inflating function, the swim ring comprises an outer ring body, a supporting inner pipe is arranged in the outer ring body, the outer surface of the supporting inner pipe is fixedly sleeved with an air storage assembly, one end of the air storage assembly is fixedly sleeved with the outer side face of the outer ring body, and the other end of the air storage assembly is fixedly sleeved with a gas storage cavity. The outer surface of the supporting inner pipe is fixedly sleeved with a distribution sleeve, and the distribution sleeve is movably sleeved with a distribution control assembly. The supporting inner pipe is used for supporting the gas storage assembly, the gas storage assembly communicates with the distribution sleeve, the assembling assembly and the distribution control assembly are matched, and the distribution control assembly is pulled from the outside; the air is released into the outer ring body in cooperation with the middle guide pipe and the bottom pipe which are communicated after movement, inflation expansion of the outer ring body is achieved, automatic inflation of the swim ring is achieved, the carrying size is reduced, the carrying convenience is improved, and automatic inflation is easy to operate and high in inflation speed.

The utility model relates to an inflatable sports knee pad convenient to adjust, which comprises an elastic sleeve, elastic support strips arranged on both sides of the elastic sleeve, a patella air bag arranged on the front side of the elastic sleeve, upper and lower branch air bags arranged above and below the patella air bag, and a binding assembly; an inflation port is arranged above the patella oval air bag; air-permeable assemblies are arranged above and below the popliteal fossa; the patella air bag is used to provide vertical impact protection in the patella area; the branch air bags arranged in a longitudinal and oblique manner in the collateral ligament area prevent lateral sprains; the elastic support strips on both sides of the elastic sleeve can reduce the impact force and pressure of falling; the mesh air-permeable knitted fabric above and below the popliteal fossa improves the moisture absorption and air permeability of the area, thereby effectively inhibiting the accumulation of sweat and providing comfortable air permeability; the left and right elastic bands are bonded to fix the elastic sleeve, prevent the elastic sleeve from moving upward, the lower band is bonded to prevent the elastic sleeve from moving downward, disperse the pressure, strengthen the protection efficiency, and the upper band and the lower band can keep the position of the knee pad stable.

The utility model discloses a retention enema device special for hepatic encephalopathy. The air bag assembly comprises a balloon, a ventilation sleeve, an inflation tube and an inflation air bag, the balloon is an annular balloon body and comprises an outer ring wall and an inner ring wall, the elasticity of the inner ring wall is small, and the elasticity of the outer ring wall is large; an air injection channel is arranged in the ventilation sleeve, one side of the inner ring wall is opened, the air injection channel is communicated with the opening of the inner ring wall, and the balloon and the ventilation sleeve are sleeved on the liquid injection tube; the inflation air bag is communicated with the air injection channel through an inflation pipe, an air release valve and a one-way air valve are arranged on the inflation pipe, the one-way air valve is arranged between the inflation air bag and the air release valve, and an air inlet valve is arranged on the inflation air bag. One end of the liquid injection tube is provided with an enema inlet, the liquid injection tube is provided with a branch tube, the branch tube is provided with a medicine injection port, and the other end of the liquid injection tube is a hose. The position of the enema device can be fixed in the enema process, liquid leakage at the anus of a patient is prevented, the comfort level of the patient is improved, and the accuracy of the enema process is guaranteed.

The utility model relates to the technical field of rescue rafts, in particular to a water area rescue raft which comprises a rescue raft body, a gas storage steel cylinder is installed on the lower surface of the rescue raft body, and an inflation mechanism used for inflating rescue is installed at the upper end of the rescue raft body. The inflation mechanism comprises an air inlet part, a limiting rod penetrates through the upper end of the air inlet part, a first magnet is fixed to the outer surface of the limiting rod, a second magnet fixedly connected with the inner wall of the air inlet part is arranged above the first magnet, and a movable rod is connected to the tail end of the limiting rod in an inserted mode; and a fixing plate is fixed in the air inlet part in the vertical direction. The rescue raft body can be automatically inflated with compressed air through the arranged inflation mechanism, the inflation speed is higher, delay and risk increase of rescue actions are reduced, and under the action of elasticity of a spring, a fixing block at the tail end of a guide rod can be pushed to automatically seal the rescue raft body, so that the situation of gas leakage is reduced.

The utility model provides an automobile tire pressure difference balancing device, and belongs to the technical field of automobile wheels. Comprising a hub, the hub comprises a first air chamber and a second air chamber, a mounting seat is arranged on the inner wall of the hub, a horizontal table is fixedly mounted on one side of the mounting seat, and two communicating air chambers and a horizontal air chamber are arranged in the horizontal table; the two sets of communicating air chambers are used for communicating the first air chamber with the horizontal air chamber and communicating the second air chamber with the horizontal air chamber respectively, a blocking barrel is arranged in the horizontal air chamber in a sliding mode, an air hole used for communicating the horizontal air chamber is formed in the axis of the blocking barrel, and plugs are arranged at the two ends of the horizontal air chamber; and springs are fixedly mounted at the two ends of the horizontal air chamber. The tire has the advantages that the problem that the service life of the tire is shortened due to eccentric wear of the tire caused by different air pressures of the air chambers on the two sides of the double-air-chamber tire is solved, and meanwhile, the first air chamber and the second air chamber are communicated and do not need to be inflated respectively.

The invention provides a rotorcraft emergency floating device and method.The rotorcraft emergency floating device comprises a buoy assembly and an inflation assembly, and the buoy assembly comprises a right front buoy assembly, a left front buoy assembly and a rear buoy assembly and is used for providing buoyancy and floating stability for a rotorcraft; the inflation assembly comprises a cylinder valve assembly and a pipeline assembly, is used for inflating the buoy assembly and has a manual / dampening automatic starting function; a right front buoy assembly and a left front buoy assembly are symmetrically arranged on the left and right sides of the front machine body, and are cylindrical in packaging shape; the right front buoy assembly and the left front buoy assembly are in a capsule shape when being inflated and unfolded. The rear buoy assembly is of a flat box body structure in a packaging state and has a good aerodynamic configuration; the rear buoy assembly is of a three-buoy structure connected side by side in the inflated unfolding state.

The utility model relates to a leg pressure sleeve device which comprises a thigh sleeve and a shank sleeve. The thigh sleeve and the shank sleeve have the same structure; an air bag is arranged in the middle of the thigh sleeve, hook-and-loop fasteners are arranged at the two ends of the thigh sleeve, a first air hole array and a second air hole array are arranged between the hook-and-loop fasteners on the two sides and the air bag, the two ends of the thigh sleeve are connected through the hook-and-loop fasteners, and the length of the thigh sleeve can be adjusted. According to the leg pressure sleeve device, the folding parts with the adjustable length are arranged on the two sides of the air bag, so that the adaptability of a leg sleeve is wider, the leg sleeve can be flexibly adjusted according to the size of the leg circumference of a patient, the fixing strength is ensured, the influence of winding on the air permeability is reduced, and more comfortable treatment experience is provided for the patient.

The invention relates to an air pipe for an air pump and belongs to the technical field of pipeline structures. The air pipe for the air pump comprises a pipe body, a connector assembly, a second connector and a first sealing piece. The joint assembly is sleeved at the end part of the pipe body; the second connector is provided with a first end and a second end, the first end is connected with the air nozzle, the second end is rotatably connected with the connector assembly, the second connector is connected to the outer side of the connector assembly in a sleeving mode, and the pipe body is communicated with the air nozzle through the second connector; the first sealing piece is movably arranged on the outer side of the connector assembly in a sleeving mode in the length direction of the connector assembly, and the first sealing piece is used for sealing the connector assembly and the second connector; the interval size between the connector assembly and the inner wall of the second connector is gradually reduced from the side, facing the first end, of the connector assembly to the side, facing the second end, of the connector assembly. According to the air pipe for the air pump, the risk of air leakage at the joint between the air pipe and the air nozzle can be reduced.

The invention discloses an emergency rescue device, belonging to the technical field of rescue tools, comprising an airbag structure and an inflation device, the inflation device comprising a sealing cover and a main unit; the main unit is located in the airbag structure, and comprises a shell, a battery, an inflation pump and a control panel; the shell is fixedly connected to the sealing cover, and is provided with an electrical cavity and a chemical reaction cavity; the battery, the inflation pump and the control panel are all arranged in the electrical cavity; the chemical reaction cavity is communicated with the inner cavity of the airbag structure, and is provided with sodium azide and a trigger device; an operation panel is arranged on the outer side of the sealing cover, and the operation panel is provided with a first inflation key, a second inflation key, a third inflation key, a fourth inflation key and a stop key; when the first inflation key is triggered, the inflation pump inflates the airbag structure, and when other inflation keys are triggered, the sodium azide in the chemical reaction cavity is decomposed to generate nitrogen to inflate the airbag structure, but the inflation speed is different; the invention solves the problem of slow inflation speed of the existing rescue airbag.

The present invention discloses a quick-release valve assembly, which is located between the upper cover and the valve seat of the pump and is composed of a shut-off diaphragm and a support plate. The shut-off diaphragm is fixed to the bottom surface of the upper cover by means of the support plate, and a first space is formed between the shut-off diaphragm and the upper cover to communicate with the air outlet and the pressure relief hole of the upper cover. A retaining wall is provided in the middle of the upper plate surface of the support plate, and the retaining wall is fitted with the lower surface of the shut-off diaphragm under normal conditions. The retaining wall divides the space between the upper plate surface of the support plate and the shut-off diaphragm into a second space and a third space. The second space corresponds to the pressure relief hole of the upper cover. The support plate is provided with an air inlet hole in the second space, and the shut-off diaphragm forms a central gasket and an outer ring tympanic membrane in the second space corresponding to the pressure relief hole. The shut-off diaphragm forms a one-way air outlet valve in the third space to communicate with the third space and the first space. A quick-release valve integrated pump structure using the quick-release valve assembly is also disclosed. The present invention can achieve rapid deflation and stable inflation.

The embodiment of the utility model relates to the technical field of pressure regulating valves, in particular to a pressure regulating assembly and a pneumatic system.The pressure regulating assembly comprises a main pipe, the main pipe comprises a contraction part, a straight pipe body and an expansion part which are sequentially communicated, and the inner diameter of the contraction part is gradually reduced in the direction from one end, away from the straight pipe body, of the contraction part to the other end, close to the straight pipe body, of the contraction part; the inner diameter of the expansion part is gradually increased from one end, close to the straight pipe body, of the expansion part to the other end, away from the straight pipe body, of the expansion part; a pressure adjusting opening is formed in the side wall of the expansion part. Through the mode, the number of parts can be reduced, so that the manufacturing cost is reduced, and the assembly process is simplified.

The embodiment of the present application relates to a kind of air bag, pneumatic comfort system and seat, air bag includes massage part, support part and air pipe;Massage part is supported in support part;The middle part of support part has hollow area;Support part is provided with air cavity, air cavity surrounds hollow area, air pipe is connected to support part, and air pipe communicates air cavity.By the air bag, since the middle part of support part is provided with hollow area, compared with the case where hollow area is not provided in prior art, the air cavity capacity of support part is smaller, the required inflation amount of the present application is also reduced when achieving the same top pressure stroke, in the inflation process, air source can be effectively saved and inflation speed is accelerated.In addition, the external dimension of support part is not reduced, so the air bag provided by the embodiment of the present application can still guarantee good massage and support effect.In other words, under the premise of realizing the same massage and support effect, the air bag of the embodiment of the present application not only reduces air source consumption, but also has faster inflation and deflation speed.

A multipurpose inflation pump is provided. The multipurpose inflation pump includes a housing (1) provided with a device cavity (2) and a storage cavity (3) which is configured to place an accessory. The device cavity (2) is provided with a first inflation unit and a second inflation unit, and an inflation pressure of the first inflation unit is lower than an inflation pressure of the second inflation unit. The multipurpose inflation pump can not only rapidly inflate and deflate an inflatable bed, an inflatable boat, etc., but also provide higher inflation pressure to inflate an automobile tire, thus combining multiple uses in a single machine and helping consumers save cost.

The invention relates to the technical field of gas cylinder inflation, and discloses gas cylinder rapid inflation equipment which comprises a preparation machine main body, a raw material gas supply mechanism, a communication mechanism and a gas transmission mechanism, the raw material gas supply mechanism comprises a rotating platform and a plurality of raw material gas cylinders; the plurality of raw material gas cylinders are circumferentially and uniformly distributed on the rotating platform; and the communicating mechanism is arranged between the preparation machine main body and the rotating platform. The communication mechanism is additionally arranged between the preparation machine main body and the raw material supply mechanism and can be used for realizing automatic communication of a pipeline between the preparation machine main body and the raw material supply mechanism, and when a raw material gas cylinder is replaced, the screwing assembly and the butt joint locking assembly are respectively driven by the driving assembly strictly according to the sequence of manual replacement operation; the gas cylinder valves are rotated to be opened or closed, and the communicating pipelines are butted and separated, so that the automatic replacement operation of the raw material gas cylinders is realized, and the purpose of accelerating the gas charging speed of the gas cylinders is achieved.

The invention discloses a quick pressure relief valve assembly, which is installed under the upper cover of a pump and includes an air outlet diaphragm, an air release diaphragm and a diaphragm pressure plate; the air outlet diaphragm forms a tympanic membrane, and the top of the tympanic membrane has a first center piece for corresponding to the pressure relief hole of the upper cover; the diaphragm pressure plate covers the tympanic membrane of the air outlet diaphragm, and the top of the diaphragm pressure plate is provided with a center hole for the first center piece to be exposed; the air release diaphragm is fixed on the top of the diaphragm pressure plate, and the air release diaphragm has a second center piece for corresponding to the pressure relief hole of the upper cover, and the second center piece corresponds to the first center piece through the center hole of the diaphragm pressure plate, and the upper surface area of ​​the second center piece is smaller than the lower surface area of ​​the first center piece, and the air release diaphragm, the diaphragm pressure plate and the tympanic membrane form a normal pressure cavity connected to the atmosphere. A diaphragm pump using the quick pressure relief valve assembly is also disclosed. The invention uses the pressure difference between the first and second center pieces of gas to control the opening and closing of the pressure relief hole, replacing the traditional technology that simply relies on gas pressure control, and realizes quick air release and stable inflation.