84results about How to "Achieve inflatable" patented technology

The invention provides a triggering mechanism of a life-saving device, comprising a shell, a driving assembly and a traction rope. The driving assembly comprises a handspike, a rotary rod, a thimble and a hook rod, wherein the rotary rod, the thimble and handspike are distributed in the shell in an n shape, one end of the thimble abuts on an air bottle, the other end of the thimble abuts on the side surface of the rotary rod, one end of the handspike is provided with a main spring, one end of the handspike abuts on one end of the main spring, the other end of the handspike abuts on the side surface of the rotary rod, the hook rod is arranged in the shell, a gemel is arranged at the long-edge end of the hook rod and provided with a booster spring at the outer side, the booster spring is parallel to the gemel, and one end of the traction rope is fixedly connected with a middle rotating shaft of the gemel. During the inflation, the rotary rod rotates by using the supporting shaft as a fulcrum to abut on the thimble, the thimble pierces the air bottle under the action of the rotary rod, and the air is released, thus the inflation of the life-saving device is completed so as to activate great power with smaller force.

The invention discloses an air channel control device which comprises an intelligent gauge outfit, a vent button, optical fiber adaptors, a control circuit, a power supply, an extraction fan, an exhaust joint, a vent joint, an inflation joint, an air supply joint, a vent electromagnetic valve, an inflation electromagnetic valve, a pressure transmitter and a T-shaped three-way joint, wherein an inlet end of the inflation electromagnetic valve is connected with the air supply joint; an outlet end of the inflation electromagnetic valve is connected with one port of the T-shaped three-way joint; another port of the T-shaped three-way joint is connected with the pressure transmitter; another port of the T-shaped three-way joint is connected with the inflation joint; an inlet end of the vent electromagnetic valve is connected with the vent joint; an outlet end of the vent electromagnetic valve is connected with the exhaust joint; and the control circuit is connected with the intelligent gauge outfit, the vent button, the optical fiber adaptors, the power supply, the vent electromagnetic valve and the inflation electromagnetic valve respectively, and used for obtaining control information from the intelligent gauge outfit. The air channel control device can solve the problems that the existing air channel control device is low in control sensitivity, relatively heavy, and inconvenient to debug on site.

An elevator with an airbag protector comprises the airbag protector. The airbag protector comprises a safety airbag and speed measurement encoders; the safety airbag is fixed on the outer surface of the bottom of the car; the safety airbag is electrically connected with a safety airbag trigger device; the speed measurement encoders are arranged on the top of the car or columns; the output end of every speed measurement encoder is connected with a safety airbag trigger controller which is electrically connected with the safety airbag trigger device; the speed measurement encoders are movably connected with a main frame. The speed measurement encoders each having a roller measures the speed when rolling up and down within the main frame; the safety airbag protects the elevator; the elevator is simple in structure and convenient to mount. After inflated, the safety airbag has the effect of absorbing impact force so that the car lands stably and generates no direct impact to passengers inside. The elevator is available as various elevators, especially home elevators.

The invention relates to the field of revolving doors, in particular to a revolving door capable of conveniently removing dust and limitable in position. The revolving door comprises a protecting structure, a revolving structure, a position limiting structure, a mounting structure, a holding structure, a water spraying structure and a dust removal structure. The rotating structure can synchronously drive the water spraying structure to work while working; through the operation of the water spraying structure, watering maintenance work can be performed on a bonsai on the holding structure withwater in the holding structure; not only can the bonsai on the holding structure be conveniently watered, but also water resources can be recycled, and thereby, the goal of saving the water resourcesis achieved; by installing the mounting structure on the revolving structure, the aesthetic property can be enhanced, and the bonsai can also be prevented from artificially damaged; the mounting structure and the revolving structure can be rapidly fixed to facilitate installation and removal of the mounting structure; the rotating structure can synchronously drive the dust removal structure to work while working; and dust on the surface of a base can be swept through the operation of the dust removal structure.

The invention relates to the technical field of gas insulating materials of electrical equipment, in particular to a charging system and method for insulating mixed gas. The charging system comprises a mixed gas charging device and a temperature and pressure monitoring device. The mixed gas charging device comprises an SF6 charging gas circuit, a non-SF6 charging gas circuit, a test cavity pipeline, a vacuum bottle pipeline and a vacuum pump pipeline. The temperature and pressure monitoring device comprises a pressure gauge which is provided with an intelligent remote transmission component. The charging system can carry out charging, pressure adjustment and recovery treatment of mixed gas which has different pressure and different SF6 ratios and can also monitor the pressure, temperature and density of the mixed gas.

The invention belongs to the field of medicines, and particularly discloses a ventilation apparatus for general anesthesia. A tracheal catheter comprises a tracheal inner layer and a tracheal bladder arranged outside the tracheal inner layer. A control unit comprises a rotary sleeve which is in rotary connection with a laryngeal mask catheter, guide slots are formed in the outer side of the rotary sleeve, and the top of the rotary sleeve is connected with a bolt. A sliding cavity and an air supply assembly are arranged in the rotary sleeve; the air supply assembly is used for supplying and feeding air for the tracheal bladder; a slider is in sliding connection in the sliding cavity; a connecting rod penetrates the inside of the slider and is provided with a stop plate; one end of the connecting rod runs through a third communicating port and is connected with the tracheal inner layer; the other end of the connecting rod is connected with an indicating ball which is in sliding connection in the guide slots. A cam mechanism is also arranged in the slider and abutted against the tracheal catheter. According to the technical scheme, hurt to the patient's body caused by rubbing generated in the process of inserting the laryngeal mask catheter and the tracheal catheter can be reduced, insertion of the tracheal catheter is facilitated, the state of the tracheal catheter can be switched conveniently, and thus, work efficiency of medical staff is improved.

The invention discloses a conveniently-connected structure of a highly-sealed liquid flow control ball valve. The conveniently-connected structure comprises a shell; a water passing groove is formed in the side wall of the shell, and a rotating groove is formed in the inner wall of the water passing groove; the inner wall of the rotating groove is slidably connected with a hollow ball, and circulating holes are formed in the inner walls of the two symmetrical ends of the ball correspondingly; and an air bag is glued to the inner wall of the upper side of the ball. The conveniently-connected structure has the advantages that through design of an air feeding rod and an air discharging rod, when the flow needs to be adjusted back again after excessive flow limiting, the air feeding rod and the air discharging rod can be simultaneously pressed, thus the air discharging rod drives a pushing block to extrude a connecting block, thus the connecting block drives an air discharging stop block to rotate, the inner wall environment of the air bag and the inner environment of an extrusion groove communicate, the air feeding rod drives an air feeding baffle to rotate, thus an air feeding groovecommunicates with the inner space of the extrusion groove, the air bag communicates with the outside environment, air in the air bag is released, thus the airbag is shrunk, the flow of a water flow is increased, and the flow of the water flow is adjusted.

The invention relates to a high pressure gas source inflating method and a differential pressure airtightness detector based on the inflating method. The inflating method includes (1) arranging a first valve, a gas tank and a second valve connected in sequence between a high pressure gas source and a work piece; (2) opening the first valve and closing the second valve so as to enable the high pressure gas source to inflate the gas tank; (3) closing the first valve and opening the second valve so as to enable the gas tank to inflate the work piece; (4) opening the first valve and the second valve in an alternating manner so as to enable the pressure of gas of the work piece inflated by the high pressure gas source via the gas tank to reach a preset gas pressure. According to the invention,gas can be inflated into the work piece accurately, so that inflation under micro gas pressure is realized, the application range of the airtightness detector is expanded and the equipment productioncost is reduced substantially.

The invention relates to the technical field of water chestnut planting, in particular to a fertilizer applying device for water chestnut planting. The fertilizer applying device comprises a moving seat, wherein a through hole is formed in the moving seat, electric extendable rods are symmetrically arranged on the positions, located at two sides of the through hole, of the top surface of the moving seat, a supporting plate is fixedly arranged at the tops of the electric extendable rods, mounting plates are symmetrically and fixedly arranged on the bottom surface of the supporting plate, fertilizer applying mechanisms are arranged on the mounting plates, and each fertilizer applying mechanism comprises a tank body rotationally connected between the two mounting plates and a plurality of fertilizer applying units arranged on the tank body. The fertilizer applying mechanisms are arranged, compared with an existing fertilizer applying device, fertilizers are applied through a spraying or soil burying mode, and the device can accurately apply the fertilizers to a single water chestnut plant in a targeted mode, so that fertilizer waste is avoided, the fertilizer absorption effect of water chestnuts is greatly improved, fertilizer applying can be completed only by pushing the moving seat, and time and labor are saved.

The invention provides a safety air bag device used for a submarine. The safety air bag device comprises bag bodies arranged on the two sides of a shell of the submarine. The two sides of the shell are recessed inwards to form containing cavities. The portions, in the recessed positions, of the shell serve as the inner side walls of the containing cavities. The bag bodies are placed in the containing cavities when not inflated. Outer protective boards are arranged on outer openings of the containing cavities. The outer surfaces of the outer protective boards and the outer surface, on the periphery of the outer surfaces of the outer protective boards, of the shell are in smooth transition. The inner side walls of the containing cavities are fixedly connected with the inner side bag walls ofthe bag bodies. The inner side bag walls of the bag bodies are connected with inflation and deflation valves. Each inflation and deflation valve is connected with a gas generator through an air pipe.The outer side bag walls of the bag bodies are suspended, and safety valves are embedded in the outer side bag walls of the bag bodies. The safety air bag device has the beneficial effects that no protruding structure exists, resistance and noise are not increased, and submarine navigation safety is guaranteed. An inflation source is controlled simply, devices are few, inflation pipelines are short, and independence is high. A pressure relief device is installed, the buoyancy performance is not affected by the water depth, and deep water floatation assistance can be achieved.

The invention discloses an integrated oxygen supply valve. A valve body, a valve cover, a filling module, a flow adjusting module and a pulse oxygen supply module are included, wherein the filling module, the flow adjusting module and the pulse oxygen supply module are arranged on the valve body and the valve cover. Oxygen in a gas tank is output by the pulse oxygen supply module after passing through the filling module and the flow adjusting module. The pulse oxygen supply module comprises a gas inlet unit, a gas outlet unit and a gas suction unit. The gas inlet unit comprises a sixth gas wayand a seventh gas way which conduct gas inflow from the same gas inlet source. The gas outlet unit comprises a gas outlet outer connector arranged on the valve body, a gas outlet valve plate and a gas outlet cavity. The gas suction unit comprises a gas suction outer connector arranged on the valve cover, a gas suction valve plate and a gas suction cavity, the gas suction valve plate is provided with a gas inlet protruding nozzle communicating with the gas outlet cavity, and a gas inlet membrane for opening and closing the gas inlet protruding nozzle is arranged above the gas inlet protrudingnozzle. An integrated mechanical structure is adopted in the valve, filling operation and usage are simple and convenient, the different-flow requirements can be met, and different-breathing-manner requirements can be met as well.

The invention relates to the technical field of toilet paper cutting equipment and discloses an automatic clamping and cutting device. The automatic clamping and cutting device comprises connecting rods, a plurality of circular discs and a cutting platform, wherein the plurality of circular discs are coaxially arranged; perforated holes are formed in the upper parts of the circular discs; connecting holes are formed in the lower parts of the circular discs; the connecting rods penetrate through the perforated holes of the plurality of circular discs at the same time; the adjacent circular discs on the connecting rods are connected at intervals to form interval regions; the plurality of interval regions are circularly divided into odd interval regions and even interval regions from left to right; the connecting rods in the odd interval regions are connected with cutters, and air vents are formed in the cutters; air pipes are connected between connecting holes at two ends of the even interval regions; the air pipes are provided with air inlet holes; the air inlet holes are connected with elastic airbags; the connecting holes of the circular discs located at the left and right ends of the connecting rods are connected with air flow channels respectively; one end, which is far away from the connecting holes, of each air flow channel is connected with a draught fan; the cutting platform comprises a plurality of L-shaped cutting plates which are parallel to one another; and the cutting plates correspond to the even interval regions one by one. The automatic clamping and cutting device can be used for automatically clamping and cutting toilet paper reels.

The invention relates to the field of bus servo bridges, in particular to a three shaft bus servo bridge lifting control system. The three shaft bus servo bridge lifting control system at least comprises a gas storage cylinder and a gas bag. The Three shaft bus servo bridge lifting control system is characterized in that an output terminal of the gas storage cylinder is connected with the gas bag through a lifting height adjusting valve, and the other output terminal of the gas storage cylinder is connected with the lifting height adjusting valve through a two-position three-way lifting height adjusting valve controlled by a rocker switch and is connected with the gas bag through the lifting height adjusting valve. Due to the fact that a driver controls the rocker switch, air filling and air exhausting of the gas bag are achieved, the effect of lifting the servo bridge gas bag is achieved, the center of the servo bridge is lowered during loading a car and unloading the car, loading is reduced, and abnormal wear to tires is reduced.

The invention relates to a fuel tank of a motorcycle or a motor-bike and in particular provides a motorcycle fuel tank tipping prevention device. The motorcycle fuel tank tipping prevention device comprises a fuel tank body, wherein an elastic deformation plate is fixedly sealed at the bottom of the fuel tank body; an elastic airbag is arranged below the elastic deformation plate; a gate valve isarranged on the elastic airbag; the elastic airbag is communicated with a first air inlet pipe; the first air inlet pipe is communicated with a piston cylinder; a guide rod and a first control switchare fixedly connected to inner walls of the top end of the fuel tank body; the first control switch controls start and stop of the piston cylinder; an oil floating ball is connected onto the guide rodin a sliding manner; and the oil floating ball can extrude to press the first control switch. With the adoption of the technical scheme of the invention, the violent shake of fuel oil inside the fueltank body can be avoided.

The invention discloses a self-floating feed type culture method for benthic fishes, and belongs to the technical field of aquaculture. The structure of feed is improved, the feed firstly sinks into the water bottom to wait, water flow caused by swimming of fishes is used as a trigger condition when the fishes find food nearby, sensing capsule pieces on the feed induce resonance after sensing water flow changes, vibration is transmitted into disintegration assisting capsule rods in the feed, friction bodies in thermal triggering balls are driven by magnetic force to conduct repeated friction again to generate heat to heat thermal decomposition layers, the thermal decomposition layers are forced to be subjected to decomposition reaction to release gas, the disintegration assisting capsule rods are filled with the gas to continuously expand to finally form broken holes in the surface of the feed, then the spherical feed is inflated to expand to increase the buoyancy of the feed to startfloating, fishes can directly observe the feed, meanwhile, the feed starts to disintegrate to facilitate fish feeding, and the utilization rate of the feed and the feeding rate of the fishes are increased.

The invention relates to the technical field of platform ascending and descending and discloses a lifting platform used for truck loading. The lifting platform comprises a hydraulic cylinder and a platform. An output shaft of the hydraulic cylinder is fixedly connected with the platform. The lifting platform further comprises a fixing table, a groove is formed in the bottom of the fixing table, and the hydraulic cylinder is fixedly connected to the groove. Supporting mechanisms used for ascending and descending of the platform are arranged on the two sides of the platform. According to the scheme, the problem that a current lifting platform is supported only through a hydraulic cylinder, and stability is low is mainly solved.

The invention discloses an electric vehicle with high safety protection performance. The electric vehicle structurally comprises a frame, a vehicle lamp, vehicle doors, vehicle wheels, a vehicle frame, a frame protection bag cover and an internal inflation device. The vehicle lamp is installed at the front end of the frame, the vehicle lamp and the frame form an integrated structure, the frame isconnected to the upper end of the vehicle frame in a covering mode, the frame and the vehicle frame are connected in a disassembly and assembly mode, the vehicle doors are movably connected to the middle of the vehicle frame, the vehicles wheels are installed at the bottom of the vehicle frame, and the frame protection bag cover is of an arch-shaped structure. When the electric vehicle runs, distance detection of vehicles and obstacle objects around the vehicle is carried out through a distance sensor on the vehicle. When an emergency is detected and an accident can be caused, the internal inflation device operates to inflate the frame protective bag cover outside the vehicle, and the exterior of a vehicle body is effectively protected. When an emergency accident occurs, in combination with an airbag inside the vehicle, a user is protected, meanwhile, the friction damage caused by the accident to the vehicle is effectively reduced, and the safety performance is greatly improved.

The invention relates to the technical field of life jackets and discloses an on-water life jacket. The on-water life jacket comprises a life jacket body. The life jacket body is provided with a neckprotection ring capable of rotating, and the neck protection ring is at least provided with two fixing belts; and two top flies of the life jacket body are provided with guide blocks used for penetration of the fixing belts, and the ends, away from the neck protection ring, of the two fixing belts are detachably connected. By the adoption of the scheme, the problem that the neck of the human bodyis harmed in the life jacket use process currently is mainly solved.

The invention discloses a gas cylinder type pressure-stabilizing dual-mode oxygen supply device. The gas cylinder type pressure-stabilizing dual-mode oxygen supply device comprises a gas cylinder, a nasal oxygen tube and an integrated valve mounted on the gas cylinder, wherein a nasal suction joint on the nasal oxygen tube is inserted into a nasal cavity of a user; a gas outlet outer joint and a gas suction outer joint of the integrated valve are connected with a gas inlet of the nasal oxygen tube; the integrated valve comprises a valve body, a valve cover, a filling module, a flow regulatingmodule and a pulse oxygen supply module, wherein the filling module, the flow regulating module and the pulse oxygen supply module are mounted on the valve body and the valve cover; oxygen in the gascylinder passes through the filling module and the flow regulating module and then is output by the pulse oxygen supply module; the pulse oxygen supply module comprises a gas inlet unit, a gas outletunit and a gas suction unit; and the gas inlet unit comprises a sixth gas channel and a seventh gas channel which are used for feeding gas through the same gas inlet source. According to the gas cylinder type pressure-stabilizing dual-mode oxygen supply device, all mechanical parts are adopted to realize continuous and pulse dual-mode oxygen supply, and a pressure stabilizing module and the filling module are integrated inside, so that the device structure and gas guide tube connection are simplified, and therefore, use of the user is convenient.

The invention relates to a method for modifying a detected camshaft position, comprising: detecting an actual gas signal in a gas space associated with a camshaft, said actual gas signal being adaptedto the detected camshaft position; processing the gas signal into an actual gas standard; modeling a plurality of simulated gas standards, wherein the simulated gas standards are respectively matchedwith rated camshaft positions; comparing the simulated gas standard with the actual gas standard; determining a simulated gas standard having the minimum deviation from the actual gas standard; determining an actual camshaft position, the actual camshaft position corresponding to a simulated gas standard having a minimum deviation from the actual gas standard; determining a camshaft position correction value according to the difference between the determined actual camshaft position and the detected camshaft position; and determining the corrected camshaft position by correcting the detectedcamshaft position with a camshaft position correction value. The invention also relates to an engine controller, an internal combustion engine and a vehicle for carrying out the method.

The invention provides a jet propeller which can inflate by itself and an outboard engine device with the jet propeller that can inflate by itself. In addition to the propelling function, a nozzle device with special functions can be jointed to achive functions such as air inflation, air extraction, using as a spray gun, high-pressure water spray (for fire protection or cleaning), warer pumping, and the like with the same device. The jet propeller of the invention does not use general screw propeller blades, so damage to human bodies or organisms in the sea, or collision or entanglement with foreign bodies in the water are not easy to occur; and the jet propeller is an integrated, multifunctional, safe and enviromental friendly propeller.

The present invention discloses a seat belt for an automobile. The seat belt comprises a first lock seat fixed to both sides of the bottom of the car seat, a first safety guard, and a second seat belt body. The two ends of the bottom of the first safety guard are provided with a first fastener respectively, and a second lock seat is arranged in the middle of the top, and the middle of the first safety guard is provided with a circular through hole. The second seat belt body comprises: two reels mounted at the top of the car seat respectively, and straps with two ends attached to each of the reels. The straps are provided with second fasteners in the middle. The second lock seat and the second fasteners are matched connect the first safety guard and the second seat belt body. The first safety guard comprises an outer block and a sealed airbag provided in the outer casing, and the sealed airbag is connected with an air pump. The seat belt has the advantages of simple structure, can solve the discomfort caused by the pressure brought by the safety belt, and greatly improves the comfort of the ride.

The invention provides a horizontal moving device of an electric battery car, which relates to the field of daily necessities. The horizontal moving device of the battery car, comprises a mounting plate, a mounting groove is arranged on the top of the mounting plate and on the right side, a running-away groove is arranged on the top of the mounting plate and near the left side, two outer connecting side bars are clamped on the bottom of the mounting plate, universal wheels are welded on the bottom of both ends of the outer connecting side bars, and an outer mounting frame is arranged inside the mounting groove. The horizontal moving device of the battery car, A wheel is driven to the inside of the mounting groove through a mounting outer frame that is grounded on the side away from the mounting plate, The seesaw-shaped mounting outer frame makes the wheel enter the mounting groove more conveniently, cooperates with the raised blocking roller, blocks both sides of the wheel, presses down the compressor when the mounting outer frame is lowered, realizes the inflation of the annular airbag, and the expanded annular airbag squeezes and fixes the two sides of the wheel and near the bottom, so that the fixation of the wheel is more stable.

The invention discloses an automatic-inflation wheel side framework-type rotating joint assembly with an air pipe for a trailer tire, and relates to a vehicle tire inflation technology. The assembly is characterized in that a rotating joint sub-assembly (100) is connected with a mounting bracket sub-assembly (200), and a tire valve air pipe sub-assembly (300) is connected with the mounting bracket sub-assembly (200); a one-way ventilating air chamber is formed by the rotating joint sub-assembly (100) and an inner cavity of the tire valve air pipe sub-assembly (300); a rotating part is connected with a rotating cavity, a stationary part is connected with a stationary cavity, and an integrated air channel is arranged between the rotating part and the stationary part; and a framework oil seal completes the air channel seal of the rotating part and the stationary part, air leakage is avoided. The automatic-inflation wheel side framework-type rotating joint assembly has the advantages of simple structure and convenient operation, installation and maintenance for a driver. Air inflation can be completed under the condition of air pressure supply, pressure measuring can be completed by manual operation, and the air channel of a tire and the assembly ventilates in a one-way manner.

The invention discloses a device enabling adjustment of damping force and a height, a seat and a vehicle suspension system. The device enabling adjustment of the damping force and the height comprisesa damp valve and a height valve which are disposed side by side and mutually interconnected. The height valve comprises a first cylinder and at least one height control rod which is arranged in the first cylinder in a sliding manner, wherein through displacement of the height control rod and the first cylinder relative to each other, gas flow connection is generated between an air spring and a gas source or atmosphere, so inflation and deflation of the air spring is realized. The damp valve comprises a second cylinder and at least one damp force control rod which is arranged in the second cylinder in a sliding manner, wherein through displacement of the damp force control rod and the second cylinder relative to each other, gas flow connection is generated between a damp adjustment deviceof a damp component and the gas source and the atmosphere, so the damp force of the damp component can be adjusted. Synchronous driving is realized by the height control rod and the damp force controlrod. Obviously, the device disclosed by the invention realizes synchronous adjustment of the height and the damping force.

The invention relates to the technical field of water quality sampling equipment. The automatic water quality sampling equipment comprises a machine base, a water pumping mechanism and a sampling mechanism are arranged on the machine base, the water pumping mechanism comprises a piston barrel fixedly connected with the machine base and a piston block sliding in the piston barrel, the piston barrel is communicated with a water inlet pipe, a first one-way valve is arranged on the water inlet pipe, and the side wall of the piston barrel is communicated with a water outlet pipe; the sampling mechanism comprises a main pipe fixedly connected with the base and branch pipes communicated with the two sides of the main pipe, the free end of the water outlet pipe is communicated with the main pipe, and a second one-way valve is arranged on the water outlet pipe; the branch pipe is detachably connected with a collecting bottle; and the equipment further comprises a power mechanism used for driving the piston block to vertically move back and forth and a control mechanism used for quantitatively inputting drinking water into the collecting bottle. According to the scheme, the problems that at present, after a container is transported to be detected, manual quantitative taking is needed, multiple working procedures such as extraction and weighing are involved, the working difficulty of workers is increased, and the working efficiency is also reduced are mainly solved.

The invention discloses a rapid exhaust system of an air pressure therapy apparatus, and belongs to the technical field of a therapy apparatus. The rapid exhaust system of the air pressure therapy apparatus aims at solving the problem that the time of an existing exhaust airbag exhausting is long. The rapid exhaust system of the air pressure therapy apparatus includes a cavity. The rapid exhaust system of the air pressure therapy apparatus is characterized in that the upper end of the cavity is connected with an air inlet pipe, the air inlet pipe extends into the cavity to form a first throughcavity, the lower end of the cavity is provided with an exhaust pipe, the left side of the cavity is provided with a gas-guide pipe, the gas-guide pipe extends into the cavity to form a second through cavity, the exhaust pipe extends into the cavity to form a third through cavity, a sealing diaphragm is disposed between the third through cavity and the first through cavity, a sliding assembly isdisposed between the sealing diaphragm and an inner wall of the cavity, the lower end of the sealing diaphragm is connected with a first spring, the lower end of the first spring is fixedly connectedwith a fixing column, the fixing column is fixedly connected to the inner wall of the exhaust pipe, and the exhaust pipe is provided with a control assembly.

The invention relates to a sawing machine with a good clamping effect. The sawing machine comprises a base, a fixed plate, a movable plate, a driving mechanism and a clamping mechanism; the driving mechanism comprises a motor, a lead screw and a walking ring; and the clamping mechanism comprises a connecting plate, an auxiliary plate, a sliding block, a first spring, a clamping assembly, a limiting assembly and an adjusting assembly. According to the sawing machine with the good clamping effect, movement of the movable plate is achieved through the driving mechanism, so that a main body is fixed, elastic clamping of the main body is achieved through the clamping mechanism, and compared with an existing clamping mechanism, the clamping mechanism pushes the sliding block to move through theauxiliary plate, so that inflation of an air bag and a piston cylinder is achieved; vertical and transverse elastic fixation of the main body is achieved, deformation of the main body due to too largeclamping force is prevented, meanwhile, the connecting plate and the auxiliary plate are moved through the adjusting assembly, the main body with different heights can be cut, and the use practicability is improved.

An integrated valve for inflating and deflating gas cylinders relates to the field of integrated valves, comprising a valve body and an initiating device. The valve body is provided with a vertical passage, and a valve core is correspondingly arranged in the passage. The outer wall of one end of the valve core is provided with a sealing ring, a cavity A is formed between the end head and the passage, the other end of the valve core is provided with a boss inserted into a spring correspondingly, and the valve core can move up and down in the passage through a piston structure. The inside of thevalve core is provided with a cavity B, and one end of the cavity B close to a plugging cap is provided with an opening. A cavity C is arranged between the sealing ring of the valve core and the piston structure, wherein the cavity C communicates with the cavity B, the cavity C communicates with an air inlet port correspondingly, and the external wall of the valve is provided with a pressure sensor and an inflation valve. Between the surface of the boss of the valve core and the plugging cap, a cavity D is arranged, the cavity B communicates with the cavity D, and the cavity D is connected with the initiating device through an air passage. The problem of large volume of the integrated valve is effectively solved, and the functions of pressure detection, inflation and deflation, overpressure deflation, remote electric control bottle opening function are realized.

The invention discloses a hydraulic oil cylinder body. The hydraulic oil cylinder body comprises a front end cover, a cylinder barrel and a dust remover, wherein the cylinder barrel is covered with the front end cover; the dust remover comprises an air outlet ring, a tubular air bag, a one-way air valve, a fixing ring, a dust removing ring and an opening and closing device; the air outlet ring comprises a ring body and a plurality of pressing type air valves; the pressing type air valves are uniformly distributed and mounted on the ring body in a circumferential direction; the pressing type air valves are communicated with the interior of the tubular air bag; the fixing ring is fixed on the front end cover; the one-way air valve is mounted on the tubular air bag; the opening and closing device comprises a plurality of abutting rods and a plurality of opening and closing rods; the middle parts of the opening and closing rods are rotatably mounted on the edge of the ring body and abut against the pressing type air valve in a one-to-one correspondence mode; and the plurality of abutting rods are fixed on the front end cover point to the ends, far away from the pressing type air valves, of the opening and closing rods in a one-to-one correspondence mode. The invention further discloses a manufacturing method of the hydraulic oil cylinder body. Compared with the prior art, the hydraulic oil cylinder body has excellent self-cleaning performance.