849 results about "Gas bladder inflation" patented technology

The invention relates to the technical field of pipe inner wall polishing, in particular to a plastic pipe inner wall polishing device. Comprising a sliding ring slidably arranged on a mounting cylinder, the right side of the sliding ring is connected with an air inflation bag, the right end of the air inflation bag is connected with the mounting cylinder, a fixedly-arranged second electric push rod and a slidably-arranged air pump are further fixedly mounted on the mounting cylinder, and the telescopic end of the second electric push rod is connected with the sliding ring. And a connecting pipe is communicated between an air outlet of the air pump and the inflatable bag. The movable part, the telescopic polishing block and the concentration mechanism are arranged and jointly assist to achieve adaptive adjustment of different pipe diameters, in addition, the inwards-concave inflatable bag is designed, so that the pipeline is adjusted and attached in a matched mode, abrasive dust is efficiently pushed out, the flexibility and adaptability of the equipment are enhanced, and the service life of the equipment is prolonged. And cleaning and polishing are integrated, so that the device can be operated more easily, and the overall using effect and working efficiency of the device are improved.

The invention discloses a goaf CO2 sealed storage warehouse construction and grouting filling fire preventing and extinguishing method, and belongs to the technical field of goaf filling. The goaf CO2 sealed storage depot comprises a CO2 storage depot unit, a solid waste filling column and inflation-grouting equipment, an inflation bag is arranged in the CO2 storage depot unit, the inflation bag is movably connected in the CO2 storage depot unit, the CO2 sealed storage depot is constructed in the goaf through the inflation bag, alkaline solid waste and mineralized slurry, and the storage depot is used for supporting a roof rock stratum and storing CO2. Large-scale recycling of the alkaline solid waste can be achieved through the sealed storage warehouse, the storage warehouse is used for supporting the goaf roof rock stratum and storing CO2, the roof rock stratum is prevented from collapsing and endangering mine production safety, CO2 emission is reduced, the greenhouse effect is improved, and cooperative treatment of goaf fire and CO2 storage is achieved.

The utility model relates to an intestinal implantation type intestinal peristalsis adjusting device which comprises a plurality of annular air bags (11). A support cylinder (21); the first annular air bag (11) is inflated firstly, the outer side of the first annular air bag (11) makes contact with and extrudes the inner wall of the intestinal tract (10), then the adjacent second annular air bag (11) is inflated, and due to the fact that the inner sides of the annular air bags (11) are fixed to the supporting cylinder (21), the first annular air bag (11) is extruded by the adjacent second annular air bag (11) in the direction of the intestinal tract (10); the first annular air bag (11) further extrudes and pushes the inner wall of the intestinal tract (10), then the first annular air bag (11) is deflated, the third annular air bag (11) adjacent to the second annular air bag (11) is inflated, and the circulation is carried out in sequence, so that the intestinal tract (10) is massaged, meanwhile, pushing type auxiliary peristalsis is automatically carried out on the intestinal tract (10), the pushing type auxiliary peristalsis is similar to the movement form of intestinal peristalsis, the intestinal peristalsis promoting effect is good, and the intestinal tract can be massaged conveniently. And discomfort is not easy to generate.

A patient support, such as a mattress, includes a plurality of inflatable bladders. Depth sensors are included in the support that measure the degree of penetration of a patient into the mattress. An air pressure sensor is also included that measures the pressure inside at least one bladder. A suitable inflation level of the mattress is determined by monitoring the rate of change of the depth with respect to air pressure as the bladder is either inflated or deflated. By detecting an inflection point in the graphical relationship of the depth and pressure outputs, a suitable inflation point for the bladders is determined that reduces interface pressures experienced by the patient, yet does not overly sink the patient into the mattress to a degree of discomfort. Analyzing the outputs of the depth and pressure sensors can also be used to detect a patient's heart rate and respiration rate.

The invention relates to the technical field of sewage treatment, and discloses integrated sewage treatment equipment and technology.The integrated sewage treatment equipment comprises an aerobic reaction tank, an aeration tank and a clean water tank, a membrane assembly is arranged in the aeration tank, an aeration assembly is arranged at the bottom of the membrane assembly, and a lifting seat is vertically and slidably connected to a fixing frame of the membrane assembly; a plurality of aeration flow guide parts are linearly arranged on the top surface of the lifting seat at equal intervals, a suspension mechanism is arranged on the bottom surface of the lifting seat, each aeration flow guide part comprises a flow guide plate fixedly connected with the lifting seat, clamping plates are connected to the two symmetrical sides of each flow guide plate, and a plurality of flow guide grooves are formed in the sides, opposite to the clamping plates, of the flow guide plates. The air bag is inflated through the residual pressure of the air supply equipment, the lifting seat is driven to intermittently ascend and descend, the flow guide plate guides the bubbles through the inclined surface in the vertical movement process, the bubbles are gathered in the flow guide holes, and therefore the scouring force of the bubbles on the surfaces of the membrane filaments is improved, contact type cleaning is avoided, and the service life of the membrane filaments is prolonged.

The utility model provides a trachea cannula with side holes in the inner wall of a catheter and capable of being connected with negative pressure suction outside, and belongs to the technical field of medical instruments. Comprising a catheter, the side wall of the catheter is fixedly connected with an upper suction tube, a sputum suction tube and an inflation tube, the tail end of the catheter is connected with an air bag, the inflation tube is communicated with the air bag, a spiral cavity is formed in the wall thickness of the catheter, and a linear cavity is formed in one end of the spiral cavity; the tail end of the sputum suction tube is hermetically connected with the suction tail end opening and internally communicated with the suction tail end opening, and multiple groups of side holes are formed in the outer side wall of the catheter and communicated with the spiral cavity. The side hole and the spiral cavity are arranged and matched with a negative pressure suction machine, continuous negative pressure vacuum can be generated at the side hole, then the continuous negative pressure suction effect is achieved, it can be avoided that sputum is formed due to too much secretions in the trachea of a patient through continuous negative pressure suction, and various discomfort caused by the fact that the patient uses a sputum suction tube is further avoided; the pain of the patient caused by repeated insertion of the sputum suction tube is avoided.

The utility model provides a seat and a vehicle. The seat comprises a headrest, a backrest and a buffering device. The buffer device comprises a first air bag, an air storage container and a valve; the first air bag is arranged in the headrest; the air storage container can be communicated with the first air bag through an air path; the valve is arranged in the gas path; when the backrest is subjected to impact force, the valve can be triggered, and the valve can conduct the air path so that the air storage container can inflate the first air bag. According to the arrangement, when a vehicle is collided, a driver and passengers on the seat lean backwards due to inertia, the body of the driver and passengers extrudes the backrest instantly, when the backrest is subjected to impact force, the valve is triggered to switch the state of the valve, at the moment, the valve conducts the air channel, and the high-air-pressure air storage container inflates the low-air-pressure first air bag instantly; the expanded first air bag can actively reduce the distance between the headrest and the driver and the passenger, the head of the driver and the passenger is restrained in advance, and the problem that in the prior art, the whiplash performance of an automobile seat is poor in the aspect of protecting the head of the driver and the passenger is solved.

The utility model relates to the technical field of riding, and discloses a riding helmet with a safety air bag, which comprises a helmet main body, the lower edge of one end of the helmet main body is provided with an extension part, the outer side of the extension part is provided with a mounting groove, an air bag bin is mounted in the mounting groove, an air pump bin is mounted above the air bag bin, and the air pump bin is connected with the air bag bin. An air pump body is arranged in the air pump bin, a trigger device is installed at the end of the air pump body, and an air bag located in the air bag bin is installed on the trigger device. Through cooperation of the helmet body, the air pump bin, the air pump body, the air bag bin and the trigger device, the gravity center change of a rider is detected through the trigger device, and then the air pump body is started to inflate an air bag in the air bag bin, so that the head and neck of the rider are protected after the air bag is unfolded, and then the situation that the rider is hurt due to an emergency situation is avoided; guarantee is provided for the safety of a rider, and the injury risk is reduced.

The invention provides a double-layer combined air bag material for foundation pit dewatering well plugging and an intelligent preparation process, and belongs to the technical field of air bag materials for foundation pit plugging. Comprising an outer-layer air bag, an inner-layer air bag, an inflation system and a control system, the outer-layer air bag and the inner-layer air bag form a honeycomb type distribution structure, the outer-layer air bag wraps the inner-layer air bag, and the contact face of the outer-layer air bag and the inner-layer air bag is of a curved surface attaching structure; the surface of the inner-layer air bag is coated with a waterproof sealing layer, the inflation system and the control system are arranged on one side of the outer-layer air bag, and the control system is electrically connected with the inflation system. By means of the double-layer combined air bag structure and the inflation control system, the problems that a traditional single-layer air bag is insufficient in pressure resistance, prone to deformation and leakage, poor in environmental adaptability and lack of real-time monitoring and adjusting in foundation pit dewatering well plugging are solved, and the stable, lasting and intelligent plugging effect still can be kept in the complex environment of the foundation pit dewatering well.

The invention belongs to the technical field of underground karst cave detection, and particularly relates to an underground karst cave visual detection method.The underground karst cave visual detection method uses an underground karst cave visual detection system, the detection system comprises a detection assembly, a lowering rope, a displayer and an inflation part, and the detection assembly comprises a transparent protection shell and a plurality of exhaust hoses; a camera, a distance sensor, a driving motor I and a driving motor II are arranged in the transparent protective shell, the driving motor I and the driving motor II are used for driving the camera to rotate, and an air bag is fixedly connected outside the transparent protective shell and communicated with a soft catheter. And the air outlet ports of the plurality of exhaust soft parts are coaxial with the radial direction of the transparent protective shell. According to the detection method, after the detection assembly is lowered into the karst cave, the circumferential rock wall of the karst cave can be shot by 360 degrees, the size information of the karst cave can be obtained, and the problem that the shooting angle is fixed is solved; according to the underwater detection device, after the air bag is inflated, the detection assembly can float on the water surface, the exhaust hose exhausts air to generate thrust, so that the detection assembly drifts on the water surface, and more underwater information is obtained.

The invention discloses an active turbulent flow device for an automobile rear bumper and a working method.The device comprises a first air bag and a second air bag, and the first air bag and the second air bag are installed at the two ends of the automobile rear bumper through a first air bag base and a second air bag base correspondingly; the first air bag base and the second air bag base are connected with an air pump through air pipes, the air pump inflates and exhausts the first air bag and the second air bag, the state that the air bags stretch out of the rear bumper is changed, the outer end face of the first air bag and the outer end face of the second air bag are each provided with a rear bumper outer turbulent flow cover plate, and in the air exhausting state, the rear bumper outer turbulent flow cover plate covers the first air bag and the second air bag. The rear bumper outer turbulent flow cover plate is flush with the surface of the automobile body. The air pump can be automatically controlled to be in different working states through vehicle speed information input, and then the air bag is inflated or deflated, so that the form of the active turbulent flow device is changed, and the active turbulent flow device can be selected to be opened or closed according to the vehicle speed.

The utility model relates to the technical field of outer covers of liquid nitrogen tanks, and discloses a fixed outer cover for liquid nitrogen transportation, which comprises a cover cylinder and a counterweight ring, the counterweight ring is fixed on the lower outer ring of the cover cylinder in a surrounding manner, the counterweight ring and the cover cylinder are connected into an integral structure, an annular plate is fixed on the lower outer ring of the counterweight ring in a surrounding manner, and an annular air bag is fixed on the inner surface of the cover cylinder in a surrounding manner. The three air bags are distributed at equal intervals and communicate with one another through connecting pipes, the two sides of the uppermost air bag are connected with an air inlet pipe and an air outlet pipe which communicate with the interior of the uppermost air bag correspondingly, and the air inlet pipe and the air outlet pipe both penetrate out of the upper portion of the cover cylinder. According to the technical scheme, the multiple circles of air bags are arranged in the cover cylinder, the air bags are inflated to abut against the outer ring of the nitrogen tank so that the cover cylinder can be locked on the outer ring of the nitrogen tank in a sleeved mode, the bottom of the cover cylinder and the balance weight ring abut against the surface of a compartment in a supported mode, and therefore the nitrogen tank can be stably placed and prevented from toppling over; and meanwhile, the nitrogen tank can be protected, and cold air can be released.

The utility model discloses an ultra-clean high-purity electronic-grade hydrofluoric acid efficient purification device, comprising a distillation tower, a condensation box fixedly installed on the top of the distillation tower, a cavity opened inside the condensation box, an inflation tube installed on the top shell wall of the condensation box, the inflation tubes are evenly distributed on the top outer wall of the condensation box and are connected with the inside of the condensation box, an air bag is arranged on the top of the inflation tube, the air bag is connected with the inflation tube, the air bag is in a flat state in the initial state, a folding hose is connected between every two air bags, and the folding hose is connected with the air bag. With the increase of the amount of hydrogen fluoride gas in the condensation box, the hydrogen fluoride gas enters the air bag and gradually inflates the air bag. The gas will automatically flow to other air bags with less gas through the folding hose, balancing the air pressure in each air bag, and producing a pressure relief buffer effect. Moreover, the air bag changes from flat to full, which can remind the staff that there is too much high-purity hydrogen fluoride gas in the condensation box and collect it in time.

The utility model provides an abdominal pressure tourniquet, including an abdominal belt, on which a tightening device is provided, the tightening device adopts a tightening belt, and the tightening belt is provided with Velcro; a pressurizing device is provided on the inner wall of the abdominal belt, and the pressurizing device includes a plurality of air bags arranged at intervals, and a gas diversion structure is provided on the outer surface of the abdominal belt, and all the air bags are connected to the inflation device through the gas diversion structure, and the gas diversion structure can connect all the air bags, or connect one air bag alone. The utility model adopts Velcro provided on the tightening belt, which can quickly fix the abdominal belt on the patient's abdomen; when the inflation device is used to connect one air bag alone through the gas diversion structure, one air bag is inflated alone to locally pressurize the wound, and the pressurized air bag area can be selected according to the wound location; when the amount of abdominal bleeding is large, the inflation device is used to connect all the air bags through the gas diversion structure, and all the air bags can be inflated at the same time to achieve the effect of pressurizing the abdomen as a whole.

Provided is an oil conveying system, comprising: a first pipeline (201), which is used for conveying crude oil (202); a second pipeline, which is sleeved outside of the first pipeline (201) and forms a gas conveying channel (206) with the first pipeline (201), wherein the temperature and pressure of a gas are greater than the temperature and pressure of the crude oil (202); and a plurality of gas bag units, which are arranged on the first pipeline (201) in the extension direction of the first pipeline (201), each gas bag unit comprising a gas bag (207) and a three-way valve (208), wherein the gas bags (207) are arranged on an inner wall of the first pipeline (201); the three-way valves (208) are embedded in the body of the first pipeline (201), with first ports (209) of the three-way valves (208) being in communication with the gas conveying channel (206), second ports (210) thereof being in communication with inflation and deflation ports of the gas bags (207), and third ports (211) thereof being in communication with the first pipeline (201); when the first ports (209) are in communication with the second ports (210), the gas is filled into the gas bags (207) from the gas conveying channel (206) so as to heat the crude oil (202); and when the second ports (210) are in communication with the third ports (211), the gas is discharged from the gas bags (207) into the first pipeline (201), so as to reduce the viscous resistance between the crude oil (202) and the inner wall of the first pipeline (201) and heat the crude oil (202).

The invention provides a pelvic floor training system based on pressure and air flow monitoring and an air inflation and exhaust monitoring method.The pelvic floor training system comprises a microcontroller, a pressure sensor, a flow sensor, an air bag, an air inflation pump and an air exhaust pump, the flow sensor is used for detecting the flow of air in the air inflation and exhaust process, and the air bag is used for detecting the flow of air in the air inflation and exhaust process; the pressure sensor is used for detecting pressure in the airbag; the inflating pump and the sucking pump are both communicated with the air bag; the microcontroller is also used for controlling the speed volume of gas injection or gas extraction based on a detection signal of the flow sensor; the microcontroller is further used for controlling the gas pressure in the gas injection or extraction process based on a detection signal of the pressure sensor. According to the invention, while the pressure of gas injection or other extraction is controlled based on the pressure sensor, the speed volume of gas injection or gas extraction is controlled based on the detection signal of the flow sensor. Meanwhile, the system has the advantages of low system cost and the like.

The invention provides a post-grouting FRP steel pipe pile construction method and device and a miniature composite pile. The method comprises the steps that firstly, bottom positioning parameters of a composite pile comprising multiple sections of pile body rod units are obtained, and according to the bottom positioning parameters, segmented grouting equipment comprising an air bag, an air injection hose and a grouting hose is hoisted to the bottom of the pile; the air bag is inflated through the air injection hose to form a closed grouting space; cement paste is injected into the space through a grouting hose, and the cement paste is injected into an external soil body around the pile body rod unit through a one-way circulation hole in the pile body rod unit; when the interior of the pile body of the composite pile is filled with cement paste and external grouting is completed, grouting is stopped, and air in the air bag is released; and the equipment is lifted to the previous section of pile body rod unit, and the steps are repeated till full-length grouting of the pile body is completed. Through precise positioning, segmented grouting and intelligent control, it is ensured that the pile body and soil around the pile are filled with cement paste, the bearing capacity and corrosion resistance of a pile foundation are enhanced, and efficient and durable foundation reinforcement is achieved.

The utility model discloses an RJ45 waterproof connector with a rapid locking structure, which comprises an RJ45 plug and an RJ45 socket, a locking assembly capable of rapidly locking the RJ45 socket and the RJ45 socket is arranged between the RJ45 socket and the RJ45 socket, the RJ45 plug is provided with a sealing assembly, and the RJ45 plug is provided with a locking assembly. The sealing assembly comprises an air bag used for sealing the connecting position of the RJ45 plug and the RJ45 socket and a driving part used for controlling expansion of the air bag, after the RJ45 plug and the RJ45 socket are locked, the pull disc is controlled through the adjusting part to move all the time, then the pull disc moves to drive the connecting rod to move, the connecting rod drives the piston body to move in the piston cavity, and the sealing assembly is used for sealing the connecting position of the RJ45 plug and the RJ45 socket. The RJ45 plug and the RJ45 socket are connected through the connecting pipeline, so that gas is generated, the gas is conveyed into the air bag through the connecting pipeline, the air bag is inflated, the air bag is tightly attached to the interior of the inserting part, sealing of the connecting position of the RJ45 plug and the RJ45 socket is achieved, and water, dust and other substances are prevented from entering the connector to affect the performance and the service life of the connector.

The invention relates to the technical field of artificial airway pressure control, and discloses an intelligent control method and system for artificial airway airbag pressure and a storage medium. The method comprises the steps that the real-time pressure of the air bag within the first time length is obtained based on the first monitoring frequency; a deviation value between the real-time pressure and the standard range is determined, if it is judged that the real-time pressure is abnormal based on the deviation value, target pressure is selected in the standard range, and the pressure difference between the real-time pressure and the target pressure is determined; converting the pressure difference into a gas adjustment amount, inflating or deflating the airbag based on the gas adjustment amount, and dynamically adjusting the gas injection speed based on an adjustment strategy until the real-time pressure reaches the target pressure; generating a pressure change curve based on the real-time pressure, and analyzing the pressure change curve to generate an analysis result; and adjusting the first monitoring frequency to the second monitoring frequency based on the analysis result. The inflation or deflation speed can be dynamically adjusted according to the actual condition of the pressure difference of the air bag, and therefore it is guaranteed that the artificial air bag is used more safely.

The invention provides a chimney titanium composite plate welding seam argon protection welding device, and belongs to the field of protection welding equipment.The chimney titanium composite plate welding seam argon protection welding device comprises a surrounding part which comprises an inner ring arranged in a cylindrical titanium composite plate, an inflation air bag is fixedly connected to the outer portion of the inner ring, and an air bag gas conveying pipe is fixedly connected to the right side of the inflation air bag; an argon conveying pipe is fixedly connected to the interior of the inner ring, a rotating ring shell is rotationally connected to the exterior of the inner ring, an exhaust port is fixedly connected to the exterior of the rotating ring shell, and a pushing assembly is arranged on the exterior of the rotating ring shell. The surrounding component is arranged, the rotatable rotating ring shell is used for driving the exhaust port to move, the argon outlet position can be adjusted according to the welding position, the welding position can be filled with argon all the time, the welding quality is prevented from being affected, meanwhile, adhesive tape is not needed for sealing, the operation convenience is improved, and the welding efficiency is improved. And the freely telescopic sliding column can retract into the fixing shell after welding is completed, and the welding stroke is prevented from being affected.

The utility model discloses a glass bottle conveying mechanism, which relates to the technical field of glass bottle conveying and comprises a base and a mounting seat, a conveying belt is rotatably connected to the inner side of the conveying belt, a fixing rod is fixedly connected to the bottom of the conveying belt, a mounting plate is fixedly connected to the bottom of the fixing rod, and a fixing cylinder is fixedly connected to the bottom of the mounting plate. An air bag is fixedly connected to the bottom of the fixing cylinder and communicates with the inner space of the fixing cylinder, an inflation device is fixedly connected to the upper side of the mounting plate, an air pipe is fixedly connected between the inflation device and the fixing cylinder, an exhaust port is formed in the outer portion of the fixing cylinder, and an exhaust mechanism is mounted on the outer portion of the fixing cylinder. According to the device, rapid installation is completed by simply inflating the air bag to abut against the opening of the glass bottle, the air bag can be conveniently deflated to demount the glass bottle, the glass bottle can be rapidly demounted and mounted through the simple device, the manufacturing cost of the conveying device is greatly reduced, the glass bottle mounting and dismounting efficiency is improved, and machining and production of the glass bottle are facilitated.

The invention discloses a portable painless injection device with double piezoelectric micropumps, and belongs to the technical field of medical instruments, the portable painless injection device comprises a medicine storage assembly, a piezoelectric liquid pump, an injection microneedle, an annular elastic binding belt and a piezoelectric air pump, and a pump body is provided with a heating device; the injection micro-needle is composed of a hollow micro-needle head in a square array and a micro-needle base integrally connected with the hollow micro-needle head; the left side and the right side of the pump body are connected with an annular elastic binding belt, a flexible pressurizing air bag is arranged in the pump body, the flexible pressurizing air bag is inflated through the piezoelectric air pump, then the contact pressure between the injection microneedle and the epidermis is changed, and the heating device adjusts the temperature to control expression and release of a biological agent.

A vehicle seat assembly is provided. The vehicle seat assembly includes multiple inflatable bladders embedded below a seating surface of a seat cushion portion. The inflatable bladders includes a first group and a second group, each of the first group and the second group having at least one of the inflatable bladders. The vehicle seat assembly further comprises a control system operably coupled to the inflatable bladders. The control system is configured to operate a bladder pump to inflate the first group of inflatable bladders to a target pressure, operate a valve coupled to the second group of inflatable bladders to deflate the second group, and upon expiration of a dwell period, operate the bladder pump to inflate the second group of inflatable bladders to the target pressure and operate a valve coupled to the first group of inflatable bladders to deflate the first group.

An inflation device that draws air in from two sources, such as air compressor and ambient air, can inflate an object (e.g., air bag). When a valve is opened, airflow from the air compressor is provided from the inflation device to the object. The airflow may cause airflow from an additional source (e.g., ambient air) into the inflation device. Additionally, a button used to control the valve is also used to initiate power to an assembly that includes pressure sensor (used to measure pressure of the airflow) and a display (used to present the current pressure as measured by the pressure sensor). The inflation device can automatically power down at a predetermined time after the button is released.

The air bag lowering device for pipeline plugging comprises a hole formed in the top of the pipeline wall and a connecting box, two hanging rods are arranged in the connecting box in a right-facing and downward mode, the lower ends of the two hanging rods are hinged to storage buckets through first hinge pins respectively, upper ports of the storage buckets are water inlet ports and provided with hollowed-out plates, lower ports of the storage buckets are water outlet ports, and the hollow-out plates are arranged on the water outlet ports. The storage barrel is placed in the pipeline through the hole, a telescopic element is hinged to the connecting box, the lower end of the telescopic element is connected with the storage barrel through a second hinge pin, and the telescopic element stretches out and draws back to drive the storage barrel to turn over around the first hinge pin in the pipeline. The pipeline plugging device is simple and convenient to operate, the storage barrel is overturned, high-pressure water flow in the overturned pipeline flushes the air bag in the storage barrel into the pipeline, and then the air bag is inflated to plug the pipeline, so that the problem of inconvenience in pipeline plugging construction by a folding plugging plate at present is solved; and meanwhile, the problem that the air bag is difficult to enter the pipeline when the pipeline is perforated and directly put down is solved.

The utility model relates to a pair of comfortable, fit and pressure-relief injection-molded shoes, which comprises vamps, insoles are connected below the vamps, outsoles are connected below the insoles, insoles are arranged on the inner sides of the vamps, and adjusting mechanisms are arranged on the inner sides of the vamps. According to the comfortable, fit and pressure-reducing injection molding shoe, the front pressure reducing mechanism is used for reducing pressure of the foot sole, the rear pressure reducing mechanism is used for reducing pressure of the heel, the pressure reducing advantage is achieved, the movable pipe and the movable piece can be linked to rotate by rotating the connector ring, and when the movable air hole of the movable piece is communicated with the fixed air hole of the fixed pipe, the air bag can be inflated or deflated; when the movable air hole of the movable piece and the fixed air hole of the fixed pipe are arranged alternately, the air bag is in a sealed state, the inner size of the vamp can be reduced by inflating the air bag, and the inner size of the vamp can be increased by deflating the air bag, so that the size of the shoe is matched with that of a foot, and the shoe has the advantage of fitting the foot.

The utility model discloses a machine tool temperature-sensing automatic fireproof valve which comprises a valve body, a connecting plate is fixedly connected to the valve body, a temperature-sensing opening and closing mechanism is arranged in the valve body, a sealing mechanism is arranged on one side of the temperature-sensing opening and closing mechanism and comprises a fixing frame, an electric push rod is fixedly connected to the end of the fixing frame, and the electric push rod is fixedly connected to the end of the fixing frame. The end of an output shaft of the electric push rod is fixedly connected with a sealing frame, the interior of the sealing frame is fixedly connected with a middle frame, and the surface of one side of the sealing frame is fixedly connected with a first sealing gasket. According to the machine tool temperature-sensing automatic fireproof valve, the electric push rod drives the sealing frame and the middle frame to move, the sealing frame and the middle frame are attached to the valve plate, meanwhile, the heat conduction block transmits heat to the thermal bimetallic strip, the thermal bimetallic strip is heated to deform, and gas in the air cylinder is introduced into the elastic air bag; the elastic air bag is inflated to expand to block the gap, smoke leakage is effectively prevented, and the sealing effect is improved.

The utility model discloses a gas cylinder anti-disassembly safety device of a special gas holder, and relates to the technical field of special gas holders, the gas cylinder anti-disassembly safety device of the special gas holder comprises a holder body, the main body of the holder body is of a box body structure with a one-way opening at the front end, and the front end surface of the holder body is provided with a holder door; according to the utility model, the limiting seat and the air bag are arranged, so that when the limiting seat is connected to the outer side of the air cylinder piece in a sleeving manner, the pump machine mounted in the cabinet body can be started to inflate the inside of the guide pipe, and the air bag is inflated and expanded to realize the limiting and supporting operation of the air cylinder piece; the weighing assembly is arranged in the cabinet body, so that when the gas cylinder piece is placed on the bottom plate, the weighing assembly fixedly connected in the cabinet body can be used for metering and identifying the weight of the current gas cylinder, and the metering of gas remaining in the gas cylinder piece can be remarkably improved when the gas cylinder piece is used.

The invention discloses an inflatable expansion test platform for a protective lifesaving air bag, which is used for measuring the inflation pressure, flow and surface stress of the air bag, shooting the form change of the air bag and the like. The test bench is mainly composed of an inflation system, a control system, a data acquisition system, a test system and a safety device. Wherein the inflation system is an independent air source device, and the control system and the inflatable expansion test platform of the protective lifesaving airbag can realize the inflation and deflation processes of the airbag under different inlet pressures and flows, and can measure and store related test data in the inflation and deflation processes of the airbag in real time; the parameters include air bag air inlet pressure, air bag air inlet flow, air bag air inlet temperature, air bag internal pressure, air bag internal temperature, air bag inflation time, appearance change and the like. Through test measurement and result analysis, the mechanical characteristics of airbags of different configurations and different materials in the inflation and unfolding process can be deeply researched, and meanwhile, test support is provided for establishing a real and effective airbag inflation mathematical model.

The embodiment of the invention provides an air bag force control method and system and a medium. The method comprises the steps that massage parameter information is set, and air bag inflation parameter information is set based on the massage parameter information; inflating the air bag based on the air bag inflation parameter information, and acquiring air bag state information in real time; comparing the airbag state information with set state information to obtain a state deviation rate; judging whether the state deviation rate is greater than or equal to a set deviation rate threshold value; if the deviation ratio is greater than or equal to the set deviation ratio threshold value, generating correction information, and dynamically adjusting an air bag inflation parameter based on the correction information; if yes, generating an air bag massage motion rule based on the massage parameter information, and forming a corresponding massage rhythm; the massage rhythm is formed according to the air bag massage movement rule, the user can accurately experience the accurate massage rhythm, the massage rhythm comprises the massage strength change and the strength change rule, and better massage experience is provided for the user.