44results about How to "Quick inflation" patented technology

The utility model discloses a diaphragm type energy accumulator, which relates to the energy accumulator field, and comprises a container main body, the top of the container main body is provided with an air inlet channel, the outer ring of the top of the air inlet channel is in threaded connection with a protection nut, the inside of the air inlet channel is in threaded connection with a mounting sleeve, and the inside of the mounting sleeve is in threaded connection with a threaded block. And a notch is formed in the threaded block, a short rod is movably installed in the notch, the lower end of the short rod is fixedly connected with a sealing block, a second thread is arranged on the outer ring of the short rod, the outer ring of the second thread is in threaded connection with a top plate, and the top plate is connected with the threaded block assembly through a spring. The mounting sleeve is separated from the air inlet channel by twisting the mounting sleeve, and the threaded block and the top plate are separated from the mounting sleeve and the short rod by twisting the threaded block and the top plate, so that the spring can be taken down for replacement, subsequent twisting mounting is relatively convenient, and meanwhile, air filling is more convenient due to the arrangement of the air inlet channel.

The utility model discloses an intelligent air bag type nursing belt for traditional Chinese medicine nursing in the technical field of traditional Chinese medicine medical instruments, which comprises a connecting belt, an air bag arranged at the top in the connecting belt, a cavity arranged at the bottom in the connecting belt, a heating component arranged at the top of the cavity, a movable door arranged at the bottom of the cavity and a medicine bag arranged in the cavity. The top and the bottom in the cavity are each provided with a puncturing assembly used for puncturing the medicine bag. Heat dissipation assemblies are symmetrically arranged on the two sides of the cavity, gas conveying pipes are symmetrically arranged at the two ends of the top of the connecting belt, one ends of the gas conveying pipes communicate with the outside, and the other ends of the gas conveying pipes communicate with the heat dissipation assemblies close to the gas conveying pipes correspondingly. The medicine bag is simple in structure, penetrating of the puncturing assembly in the cavity and heating of the heating assembly act on the medicine bag, the medicine property of the medicine bag can be fully permeated, the medicine permeation efficiency is high, and then the better nursing treatment effect is achieved.

The invention discloses a high-pressure and high-flow integrated inflator pump, and relates to the field of inflator pumps, the high-pressure and high-flow integrated inflator pump comprises an inflator pump shell, an air outlet, an air inlet, a high-flow pump, a motor, a high-flow air duct, a gear set, a high-pressure pump, a one-way valve and a two-in-one air flow channel, and the high-flow pump is connected with the high-flow air duct; the motor is arranged in the inflator pump shell, is arranged in the high-flow air duct and is communicated with the air inlet; one end of a motor output shaft is connected with the high-flow pump, and the other end is connected with the high-pressure pump through a gear set; the high-pressure pump is arranged in the inflator pump shell and is communicated with the two-in-one airflow channel; the high-flow air channel is communicated with the two-in-one air flow channel through a one-way When the high-flow pump and the high-pressure pump work, the motor is started, the air inlet sucks air, airflow provides high-flow inflation for an inflated object after passing through the high-flow pump, the high-flow air channel, the one-way valve, the two-in-one airflow channel and the air outlet, and the motor drives the gear set to decelerate and provides high-pressure inflation for the inflated object after passing through the high-pressure pump, the two-in-one airflow channel and the air outlet.

The present invention discloses a car lifeboat that automatically inflates using high-pressure liquid gas, comprising a lifeboat body, a front end face fixedly connected to the left side of the lifeboat body, side end faces fixedly connected to the two sides of the lifeboat body, and a rear end face fixedly connected to the right side of the lifeboat body. By designing two emergency inflation devices on the inner and outer surfaces of the car lifeboat, it can be inflated quickly. The inner part adopts a built-in high-pressure liquid gas method, which automatically fills the gas within eight seconds. The external high-pressure liquid gas method mainly has a connection port for connecting the external high-pressure liquid gas installed on the car lifeboat. In an emergency, after opening the car lifeboat, take out a special high-pressure liquid gas cylinder and connect it to the corresponding connection port, turn on the switch, and it can be opened in ten seconds. After the inflation is completed, the car lifeboat will generate buoyancy, and the car will float up according to the rising water surface. An encirclement is formed around the lifeboat to avoid collision with surrounding objects, avoid the loss of the car, and well protect the car.

The invention relates to the technical field of motor detection, and particularly discloses a performance test system of a nano rare earth disc-type direct-drive synchronous permanent magnet motor, which comprises a base, a protective cover is mounted at the top of the base, a top cover is movably mounted at the top of the protective cover, a fixing mechanism is arranged at the top of the base, and a heating plate is mounted on the inner wall of one end of the protective cover. And an opening penetrates through the inner wall of the other end of the protective cover. According to the invention, the protection cover, the rotating speed sensor and the vibration sensor are arranged, and a plurality of working environments of the motor can be simulated in the protection cover by detecting the motor in the protection cover, so that the detection and comparison of the working states of the motor in the plurality of working environments are completed; the rotating speed detection of the motor can be completed through the rotating speed sensor, the vibration detection of the motor can be completed through the vibration sensor, the use convenience of the device is improved, and the labor intensity of workers is reduced through multiple detection modes of one device for the motor.

The utility model discloses an air path control system of an air cushion bed. The air path control system comprises an inflator pump, a silencing and filtering device, a massage valve assembly, a hardness adjusting valve assembly and an air pressure sensor which are sequentially connected in series, massage valve groups are arranged in the massage valve assembly, each massage valve group comprises a massage inflation valve and a massage exhaust valve, the massage inflation valve is a normally closed two-position three-way valve, the massage exhaust valve is a normally open two-position two-way valve, a working port of the massage inflation valve is connected with the massage air bag, and an air outlet of the massage inflation valve is connected with an air inlet of the massage exhaust valve; the hardness adjusting valve assembly is provided with a plurality of adjusting valve sets, each adjusting valve set comprises an adjusting inflation valve and an adjusting exhaust valve, the adjusting inflation valves are normally-closed two-position three-way valves, the adjusting exhaust valves are normally-closed two-position two-way valves, working ports of the adjusting inflation valves are connected with the adjusting air bags, and air outlets of the adjusting inflation valves are connected with air inlets of the adjusting exhaust valves. According to the utility model, air can be supplied according to the inflation and deflation requirements of the adjusting air bag and the massage air bag.

This invention discloses a pipeline gas supply device, a pipeline gas filling method, and a pipeline welding method, relating to the field of welding tool technology. The pipeline gas supply device includes a gas supply pipe, which comprises a hollow gas supply pipe body and a sealing plate located at one end of the gas supply pipe body, with the other end of the gas supply pipe being the gas supply end; a sealing sleeve fitted around the outer circumference of the gas supply pipe; two fixing washers, located at opposite ends of the sealing sleeve; a pushing component located at the gas supply end of the gas supply pipe; and an expansion / contraction component. The pushing component moves towards the sealing plate end of the gas supply pipe, causing the expansion / contraction component to be squeezed by the fixing washers and the sealing plate or the pushing component, achieving a pipeline sealing effect. This device limits the gas filling range of the protective gas to between the two expansion / contraction washers, greatly reducing the amount of gas used for welding, preventing free discharge of the protective gas, enabling quantitative use of the protective gas, and reducing waste. It is applicable to the gas filling of welded bends, long pipes, and irregularly shaped pipelines.

The utility model discloses a vehicle tire burst training device and a training vehicle, belongs to the technical field of vehicle simulation tools, and aims to solve the problems of high cost and the like due to the fact that tires need to be punctured in existing tire burst training. The utility model discloses a vehicle tire burst training device. The device comprises a tire assembly; when the exhaust assembly is in the opening state, air in the tire assembly can be exhausted until the air pressure in the tire assembly reaches the tire pressure value after tire burst; when the air supplementing assembly is in the opening state, air can be inflated into the tire assembly until the air pressure in the tire assembly reaches a set tire pressure value; and a control device. According to the vehicle tire burst training device and the training vehicle disclosed by the utility model, air in the tire assembly can be quickly exhausted through the exhaust assembly, and the condition that the tire is quickly shrunken after tire burst is simulated; the tire assembly is rapidly inflated to the working air pressure through the air supply assembly, the next tire burst simulation exercise can be started, and the training efficiency is high; tire damage is not needed, and the exercise cost is reduced.

The utility model discloses an inflatable soft unmanned aerial vehicle which comprises a shell mechanism, a pod is arranged at the bottom of the shell mechanism, a cross-shaped air bag body is rapidly inflated through a motor air pump, a four-way connector and a connecting pipe, air pressure is monitored in real time through a pressure sensor, inflation is automatically stopped after a set value is reached, stability is ensured, and when air is exhausted, the air pressure is monitored in real time. Quick deflation can be achieved by opening the electromagnetic valve, and operation is simple and efficient; the cross air bag airframe of the device adopts a soft structure to realize multidirectional impact resistance, the collision action time is prolonged through deformation, the impact force is effectively reduced, the integrity of the unmanned aerial vehicle after collision is guaranteed, the device is particularly suitable for operation in a complex environment, and compared with a traditional rigid structure, the weight of a soft frame is reduced, the portability and endurance are remarkably improved; the high flexibility of the device enables the size to be greatly compressed in a non-working state, the storage space is saved, and in addition, the device is high in adaptability and can be used for narrow or high-risk scenes.

The present application relates to the field of compressed air energy storage, and particularly relates to a compressed air energy storage underground cavern lining test device with less required filling gas and more stable gas pressure, comprising a support cylinder, which is sleeved with a ring-shaped lining, and a sealed cavity is formed between the side wall of the support cylinder and the elastic sealing layer of the side wall of the ring-shaped lining; and an air inlet is arranged to connect the sealed cavity with the outside. The present application is particularly suitable for use in the compressed air energy storage underground cavern lining test.

The utility model relates to the technical field of elevator cars, and discloses a high-safety elevator car for outfield construction, which comprises a car wall, and an opening is formed in the front part of the car wall; the car bottom is fixed at the bottom end of the car wall; the car roof is fixed at the top end of the car wall; the car door is installed on the front opening of the car wall in an openable and closable mode; the plate grooves are formed in the inner sides of the three faces of the car bottom, the car door and the car wall. One air bag mounting plate is fixedly mounted in each plate groove; and one air bag assembly is fixed on each air bag mounting plate. A sliding way is horizontally fixed to the front side of the car wall and located at the upper end of the opening, a sliding groove is horizontally formed in the bottom end of the front portion of the car bottom, sliding blocks are arranged at the top end and the bottom end of the car door, and the car door moves in the sliding way and the sliding groove through the sliding blocks to be opened and closed. A complete protection area can be formed in the lift car, protection coverage is more comprehensive, the response speed of the air bag is high, and safety is high.

The utility model discloses an anti-toppling device of a carriage, which comprises a plurality of inflatable and retractable air bags fixed on the inner wall of the carriage. The anti-toppling device for the carriage is high in compatibility, capable of meeting the requirement for simultaneous loading of materials of multiple specifications, free of remodeling adjustment when reinforcing the materials of different specifications, good in anti-toppling effect, capable of completely eradicating toppling of objects in the transportation process, simple in structure, convenient to maintain and high in practicability. And the labor cost and the maintenance cost can be effectively saved.

The present invention relates to an inflatable outer windshield, which is used to connect the body of a rail transit vehicle, and includes: an inflatable capsule, a connecting profile, an inflation system, and an exhaust system; the inflatable capsule is an integrated wave-countering structure, and the two ends are screwed to the connecting profile, and the connecting profile is fixedly connected to the vehicle bodies on both sides respectively, and the middle part of the inflatable capsule is a wave-shaped structure. This structure effectively ensures the stability of the gas pressure inside the inflatable capsule and improves the air tightness between the vehicle bodies; the wave-countering structure enables it to have sufficient compression and stretching, effectively extending the overall life of the inflatable capsule. The inflation port and the exhaust port correspond to and are arranged in an alternating manner, and can be quickly inflated and exhausted. A frame is used to shape the waveform to improve the aesthetics and prevent the occurrence of jitter or resonance during the operation of the rail transit vehicle. The inflatable capsule has a simple structure, is easy to use and operate, and is easy to repair, which greatly reduces the failure rate of the outer windshield.

The embodiment of the present application provides a restraining device, which can improve the use performance of the restraining device. The restraining device is applied to a battery monomer, and the restraining device comprises: a plurality of groove structures arranged at intervals along a first direction, wherein the groove structure comprises opposite first and second surfaces perpendicular to the first direction; a plurality of air bag structures, wherein the air bag structure comprises a first air bag structure and a second air bag structure, at least part of the first air bag structure and the second air bag structure is accommodated in the groove structure, one side of the first air bag structure facing the first surface is fixedly connected with the first surface, one side of the second air bag structure facing the second surface is fixedly connected with the second surface, the plurality of air bag structures are arranged in one-to-one correspondence with the plurality of groove structures, a first accommodating cavity is formed between the first air bag structure, the second air bag structure and the groove structure, and at least part of the battery monomer is accommodated in the first accommodating cavity.

The utility model relates to a tire distribution type inflation and deflation system, belongs to the technical field of automobile tire inflation pumps, and solves the problems that in the prior art, an inflation and deflation system is high in cost due to a complex air path, maintenance and replacement are convenient, and trafficability and economical efficiency are difficult to balance when power supply of an inflation and deflation control system and all tires are driven and braked. The integrated modular design is adopted, the tire inflation and deflation system is embedded in the hub motor, the system comprises the cylindrical cavity and the space separation compression unit, and the space separation compression unit is arranged in the cylindrical cavity and can rotate in the cylindrical cavity. And the cylindrical cavity is divided into a plurality of pump cavities with different volumes by the space division compression units, and the volumes of the divided pump cavities can be changed in the rotating process, so that air in the divided pump cavities is compressed. The system further comprises an electric brush ring and a balance control method, and the electric brush ring leads a power supply of the hub motor to the system so as to supply power to the system.

The utility model relates to the technical field of automobile gas circuit sealing performance detection devices, in particular to an automobile gas circuit sealing performance detection device, which comprises a water storage tank, a discharge port arranged in the water storage tank, a mounting rack arranged at the top of a cleaning mechanism, a detection mechanism arranged in the water storage tank, and the cleaning mechanism arranged in the water storage tank. The detection mechanism comprises a gas generator, a connecting pipeline is arranged at the top of the gas generator, a hose is arranged on one side of the connecting pipeline, a hydraulic rod is arranged in the reservoir, a connecting plate is arranged on one side of the hydraulic rod, and a supporting net is arranged on one side of the connecting plate. According to the automobile gas path sealing performance detection device, through cooperative use of the gas generator, the connecting pipeline and the hose, gas can be rapidly inflated into the gas path, through cooperative use of the hydraulic rod, the connecting plate and the supporting net, the gas path can be uniformly stressed when entering water and being salvaged, and the situation that the gas path is damaged due to different stress points of the gas path is avoided. And unnecessary damage to a gas circuit is caused.

The utility model discloses an electric heating inflating device for a sulfur hexafluoride steel cylinder, which comprises a rack, a positioning heating component is mounted on a bottom plate of the rack, two semicircular protective shells are arranged above the positioning heating component, the protective shells are connected with a piston rod of an electric push rod, and the piston rod of the electric push rod is connected with the positioning heating component. The electric push rod is installed on the rack, when a piston rod of the electric push rod stretches out, the two protective shells are buckled together, first electric heating wires and elastic clamping assemblies are installed on the inner walls of the protective shells, and the elastic clamping assemblies are used for clamping and fixing the steel cylinder; the utility model has the beneficial effects that a structure surrounded by the bottle bottom and the bottle body is designed to electrically heat the sulfur hexafluoride steel bottle, the heating is rapid and uniform, the sulfur hexafluoride steel bottle is ensured to be rapidly inflated in a low-temperature environment, meanwhile, the sulfur hexafluoride steel bottle transportation device has the function of transporting the sulfur hexafluoride steel bottle, the transportation is stable and reliable, the steel bottle is prevented from being collided, and the service life of the sulfur hexafluoride steel bottle is prolonged. The device is worthy of wide-range popularization and application.

The utility model relates to the field of inflatable tents, and provides an inflatable tent which comprises tent cloth and inflatable equipment, the inflatable equipment comprises a shell, a mounting cover and an air pump, the shell is contained on the inner side of the tent cloth, a mounting hole channel is formed in the outer side wall of the shell, and an air outlet hole channel is formed in one axial end of the shell; the mounting cover is arranged on the outer side of the tent cloth, the mounting cover is suitable for penetrating through the tent cloth to be connected with the mounting hole channel and pressing the tent cloth between the shell and the mounting cover, and the mounting cover is axially provided with an air inlet hole channel in a penetrating mode; the air pump is coaxially installed in the shell and communicates with the air inlet hole channel and the air outlet hole channel. According to the inflatable tent, the inflation equipment is arranged in the tent, inconvenience caused by an external air pump is avoided, the inflatable tent is more portable, the tent can be rapidly inflated, and the inflation efficiency is improved; and the tent cloth is pressed between the shell and the mounting cover through the mounting cover, so that the inflation equipment is better mounted in the tent, and the air tightness of the tent is better.

The invention relates to the field of medical instruments, in particular to a medical instrument clamping device. When an existing clamping device is used for clamping the legs of a patient, a doctor needs to manually operate for many times, operation is inconvenient, and therefore the legs of the patient cannot be rapidly clamped. A medical instrument clamping device comprises a support, a supporting rod is fixedly connected to the support, a fixing nut is fixedly connected to the supporting rod, a rotating screw is rotatably connected to the fixing nut, and a protective shell is fixedly connected to the bottom of the rotating screw. Through a clamping rod and a clamping groove ring block, a sliding plate is rapidly fixed, so that the clamping efficiency of the legs of the patient can be improved through the sliding plate and a lower inflation bag, and meanwhile, locking can be rapidly conducted.

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.

This utility model relates to the field of unmanned aerial vehicle (UAV) technology and discloses a self-adjusting landing structure for UAVs. The structure includes a UAV body, a mounting base fixedly mounted on the UAV body, a mounting plate at the bottom of the mounting base, grooves and slots on the outer wall of the mounting plate, a locking disc on the outer wall of the mounting plate, and a locking rod on the outer wall of the mounting plate. Through the linkage design of the buffer airbag and the air outlet component, adaptive adjustment to different ground hardness is achieved. When the UAV lands, the internal air pressure of the buffer airbag increases after being compressed, and the pressure pushes the sealing plate to slide open the air hole for pressure relief. The greater the impact force, the larger the air hole opening, the faster the pressure relief speed, and the stronger the buffering effect. Whether it is the high impact of hard cement ground or the continuous compression of soft sand, this structure can dynamically adjust the buffering force to avoid excessive vibration or sinking of the fuselage, effectively protecting the precision equipment inside the UAV and significantly improving landing safety.

The invention discloses a science popularization demonstration device for an air source excitation experiment, and relates to the field of demonstration devices.The science popularization demonstration device comprises a box body, an experiment groove is formed in the box body, an underground medium simulation filler is arranged on one side of the experiment groove, and a support is fixedly connected to the bottom end of the interior of the box body; the device has the advantages that an air source excitation experiment can be successfully simulated by integrating components such as the gas storage bottle, the pressure release valve, the connecting buckle, the inhaul cable, the guide wheel, the limiting seat and the vibration sensor, earthquake science and technology innovation achievements are displayed in a visual and specific mode, the understanding of audiences on earthquake prevention and disaster reduction science and technology achievements is deepened, and in addition, the device is low in construction cost and easy to popularize. The acquisition, processing and installation are easy; the gas storage bottle can be quickly inflated through the inflation pump, the gas inlet pipe, the quick plug, the four-way connector and other components, so that the time for carrying out an experiment again can be shortened, and the continuity and efficiency of the experiment are ensured.

The utility model discloses a magazine with a high-pressure inflation connector. The magazine can be rapidly inflated and repeatedly used. Comprising a magazine part, a deflation valve part and an inflation seat part, the deflation valve part comprises a deflation valve shaft, a nylon flat washer, a deflation valve sleeve, a deflation valve spring and a deflation valve cap, the deflation valve sleeve is in threaded fit with the magazine part, the deflation valve cap is in sliding fit with an inner hole of the deflation valve sleeve, and the deflation valve shaft is provided with a screw end and a positioning conical head end. The screw end of the deflation valve shaft is fixedly matched with the head of the deflation valve cap in a threaded mode, the nylon flat washer and the deflation valve spring are sleeved on the deflation valve shaft, one end of the deflation valve spring is positioned on the deflation valve sleeve, the other end of the deflation valve spring is positioned on the deflation valve cap, and one end of the nylon flat washer is positioned at the positioning conical head end of the deflation valve shaft. The other end of the nylon flat washer is positioned on the front positioning surface of the annular step of the inner hole of the deflation valve sleeve, the magazine part is provided with an air passage, an air passing gap is reserved between the deflation valve shaft and the inner hole of the deflation valve sleeve, and the deflation valve sleeve is provided with a vent hole.

The invention discloses a portable pocket type emergency lifesaving device which comprises at least one inflatable lifesaving column body, the lifesaving column body is of a long-column-shaped structure, one end of the lifesaving column body is sealed, the other end of the lifesaving column body is provided with an air inlet, and the air inlet is provided with a knotting sealing part for sealing the air inlet. Separation layers arranged in the length direction of the lifesaving column body are arranged in the lifesaving column body, and the interior of the lifesaving column body is divided into a plurality of independent cavities communicated with the air inlet through the separation layers; the lifesaving device provided by the invention adopts an inflatable structure, air can be exhausted and completely compressed when the lifesaving device is not used, the storage volume is greatly reduced, and the lifesaving device is convenient to carry for emergency use; and during inflation and use, the interior is rapidly inflated according to the Bernoulli principle and then sealed, so that the use convenience is high. Meanwhile, the cavities in the device are separated and independent, even if a single cavity is damaged, the device can still be used continuously, and the lifesaving safety is high; and the practical value is high.

The application belongs to the technical field of automobile air suspension and discloses an air supply unit control system and method, which comprises an electric control module, a valve body air path module, an electric drive module and an air drying module. The valve body air path module is provided with a winding heating regeneration air path, which can guide the high-pressure gas in the gas storage tank to flow through the motor winding for heating and then be introduced into the low-pressure cavity for the dryer regeneration. The electric control module realizes the intelligent operation of the system by executing a regeneration control algorithm, a pressure regulation strategy and a temperature-pressure collaborative control method. The regeneration control algorithm automatically triggers the regeneration process according to the humidity state or the time interval; the pressure regulation strategy maintains the stable system pressure according to the sensor signals; and the temperature-pressure collaborative control dynamically optimizes the control parameters according to the winding temperature and the air path pressure. The system effectively integrates the motor waste heat utilization, the dryer regeneration and the accurate pressure regulation and control, and improves the overall energy efficiency and reliability.

The household starting and inflating all-in-one machine comprises a machine body, a universal meter, a controller, an active circuit breaker and a main power source are fixedly installed in the machine body, an air compressor is fixedly installed on the lower bottom wall of the machine body, and an air outlet of the air compressor is fixedly communicated with an air conveying pipe. The end, away from the air compressor, of the air conveying pipe is fixedly connected with an inflation head, a main board is arranged in the machine body, and the main board is electrically connected with the air compressor. Through the above structure, based on cooperation of the ultra-high-rate lithium battery and an intelligent protection mechanism, large current can be instantly released to start an automobile, safe and stable current output can be ensured, meanwhile, protection measures are taken, potential safety hazards occurring in the use process can be avoided, in addition, starting and stopping of the compressor can be conducted through the mainboard MCU, and the use safety of the automobile is improved. And meanwhile, the device also has an outdoor lighting function, and the device is simple and safe to operate.