38results about How to "Easy to inflate and deflate" patented technology

The invention relates to an air pump with a multichannel structure. The air pump comprises a body, a control mechanism, an air pump set and a channel switching mechanism, and the air pump set and thechannel switching mechanism are arranged in the body. The control mechanism is connected with and controls the air pump set and the channel switching mechanism. A cavity is formed in the body. The body is provided with a first air vent and more than two second air vents. The first air vent communicates with the cavity of the body through the air pump set. The cavity of the body communicates with one second air vent or more than two second air vents selectively through the channel switching mechanism. According to the air pump with the multichannel structure, more than two second air vents areconnected with a plurality of air cavities of an inflatable product correspondingly, one cavity or more than two cavities of the inflatable product is or are selected to communicate with the cavity ofthe body through the channel switching mechanism, the multiple inflatable cavities of the inflatable product are inflated or deflated correspondingly or simultaneously by controlling the work state of the air pump set, and inflating and deflating operation of the multi-cavity inflatable product is convenient.

The invention discloses a portable water level measuring device for water conservancy project reservoir operation management, which belongs to the technical field of water conservancy projects. The portable water level measuring device comprises a base, rotating frames are fixedly connected to the two sides of the upper end of the base, winding end plates are rotatably connected to the inward sides of the two rotating frames, a winding drum is fixedly connected between the winding end plates, a measuring chain is spirally wound on the winding drum, the measuring chain comprises a plurality of telescopic chain links, a connecting rope and a measuring core rope, the two sides of each telescopic chain link are fixedly connected with chain link hanging lugs, and the telescopic chain links are connected end to end. By arranging the measuring chain, when the measuring chain is used for measuring, a fixed rod body structure can reduce measuring errors caused by deformation of a measuring end during unwinding measurement, the accuracy of a measuring result is improved, reverse operation during winding can separate telescopic chain links, winding of the measuring chain is facilitated, the device is convenient to store and carry, and the practicability of the device is effectively improved.

The invention discloses a cardboard packaging box with a buffer mechanism, which includes corrugated cardboard, the corrugated cardboard is connected end to end to form the side wall of the carton, and an inflatable buffer bag, the two ends of the long axis direction of the inflatable buffer bag are provided with fixing plates, A first nylon self-adhesive tape is provided on one surface of the fixing plate; a second nylon self-adhesive tape adapted to the first nylon self-adhesive tape is provided at both ends of the inner wall of the corrugated cardboard in the direction of the long axis, The inflatable buffer belt is adhered and fixed on the corresponding corrugated cardboard through the first nylon self-adhesive tape and the second nylon self-adhesive tape; the outer wall of the corrugated cardboard is also provided with an inflation and deflation nozzle communicating with the inflatable buffer bag. It can effectively fix the inflatable buffer bag on the inner wall of the corrugated cardboard of the carton, and it can be inflated and deflated immediately, which is convenient for users to reuse.

The invention discloses an air-pressure type recyclable express packaging box. Each of face plates of the packing box is internally of a hollow structure. A plurality of vertical pipes and a pluralityof transverse pipes are laid in the hollow structures of the face plates side by side. The vertical pipes penetrate through the upper face plate, the rear face plate, the lower face plate and the front face plate. The transverse pipes are arranged in the left face plate and the right face plate. The transverse pipes communicate with the vertical pipes located on the leftmost side edge or the rightmost side edge. The upper face plate is provided with a plurality of one-way valves which communicate with the vertical pipes in a one-to-one correspondence mode. The vertical pipes and the transverse pipes are provided with foldable pipes which are located on the connecting edges of the adjacent face plates. The non-adjacent face plate connecting edges of the face plates are uniformly provided with inflatable connecting columns which communicate with the vertical pipes or the transverse pipes located on the outermost edges of the face plates. The air-pressure type recyclable express packaging box has the advantages of being light in weight, convenient to transport and carry, good in cushion protection effect, easy and convenient to disassemble and assemble, low in cost and the like. Meanwhile, The air-pressure type recyclable express packaging box is equipped with an air inflation and deflation device and is more fast and convenient to use.

The invention discloses an opposite roller type smashing sand making machine which comprises a driving roller and a driven roller. The axis of the driving roller and the axis of the driven roller are parallel. The included angle between the connecting lines of circle center of the driving roller and the circle center of the driven roller on the same cross section and the negative direction of the X-axis of the cross section is beta, and beta is larger than 75 degrees and smaller than 90 degrees. The distance between the nearest points of the circumferential face of the driving roller and the circumferential face of the driven roller on the same cross section is D, and D is larger than or equal to 0 and smaller than or equal to 3 mm. The two ends of the driving roller and the two ends of the driven roller are coaxially provided with end shafts, and the two ends of the driven roller are rotatably mounted on a machine frame. The driving roller end shafts on the two sides of the driving roller are rotatably mounted on rotating arms. The rotating arms are rotatably mounted on bearings of rotating bearing blocks through rotating shafts. The top ends of the rotating arms are connected to a rotating arm pressing plate which is parallel to the axis of the driving roller in the length direction of the driving roller. A pressing air bag capable of being inflated and deflated is arranged between the rotating arm pressing plate and the top of the machine frame.

The invention discloses a double-roller type crushing sand making machine with the adjustable tightness degree. The double-roller type crushing sand making machine comprises a drive roller and a driven roller; the axis of the drive roller is parallel to that of the driven roller; drive roller end shafts arranged on the two sides of the drive roller are rotatably installed on a rotary arm; the rotary arm is rotatably installed on a bearing of a rotary bearing pedestal through a rotary shaft; the top end of the rotary arm is connected to a rotary arm pressing plate which is parallel to the axisof the drive roller in the length direction of the drive roller; a pressure exerting air bag capable of conducting inflating and deflating is arranged between the rotary arm pressing plate and the topof a rack; a drive roller bearing pedestal is installed on the rotary arm, and the drive roller shaft end is rotatably installed on the drive roller bearing pedestal; a jacking plate is arranged on the top of the rack, and air bag grooves used for allowing the upper end and the lower end of the pressure exerting air bag to be embedded are symmetrically formed in the opposite faces of the rotary arm pressing plate and the jacking plate; the pressure exerting air bag conducts inflating and deflating through an air compressor; and a compressed air pipeline is connected to the air compressor.

The invention discloses an inflatable measuring ruler, and the ruler comprises a ruler body and a ruler base; the ruler body comprises two or more flexible ruler belts capable of being curled, the centers of the ruler belts are marked with division scales, the ruler belts are connected through micro-deformation fiber cloth, and an air bag is clamped between the ruler belts; the tail ends of the air bag, the ruler belt and the fiber cloth are fixed on the ruler seat. The ruler is characterized in that an air tap is arranged at the top end of the air bag, and the air bag is inflated and deflatedthrough the air tap. According to the inflatable measuring ruler, the air bag is arranged in the interlayer of the scale belt, so the inflatable measuring ruler can flexibly measure in various complex environments such as a bent and narrow environment, and the hardness of the inflatable measuring ruler can be selected by continuously adjusting the inflation pressure in the air bag so as to meet the requirements of different special measuring environments; after use, the air tap arranged at the front end of the tape body is used for deflating, the tape body is recycled and stored in the tape base, the size is small, and carrying and storage are convenient.

The invention discloses an inflatable type replacing device for high-voltage chamber bulb. The inflatable type replacing device comprises an insulation operating rod, two inflatable air bags, an air pipe and a hollow clamping jaw. The air pipe is arranged in the insulation operating rod. The hollow clamping jaw is arranged at the upper end of the insulation operating rod and further communicated with the air pipe. The inflatable air bags are composed of hollow circular tubes and air bag bodies. The air bag bodies are respectively in sealing connection with the rear ends of the hollow circular tubes. Air holes are formed in the air bag bodies. First plugs are respectively arranged in the air holes. A second plug is plugged in the front end of the hollow circular tube of one inflatable air bag. The hollow circular tube of the other inflatable air bag is in sealing connection with the lower end of the insulation operating rod in a detachable mode. Air bag switches are respectively arranged in the hollow circular tubes. The inflatable type replacing device is capable of naturally exhausting to loosen the bulb, free of manual interference, convenient to operate and high in safety factor. With two inflatable air bags adopted to inflate, the replacing device is convenient and rapid to replace the bulb with time saved and further is free of carrying additional an inflation device, and has the advantages such as simple and compact structure and convenience in use.

The invention relates to a recyclable express and logistics box, and belongs to the packing technology field. The recyclable express and logistics box comprises an upper box body, a lower box body, ahinge inflation and deflation assembly and an edge pressing frame assembly, wherein the upper box body and the lower box body are buckled together for loading articles, the hinge inflation and deflation assembly is provided with a hinge shaft, two hinge seats respectively sleeve two ends of the hinge shaft, one of the hinge seats is arranged on the upper box body, the lower hinge seat is arrangedon the lower box body, the hinge inflation and deflation assembly is provided with an inflation component, an air channel and a deflation component, at least one of the upper box body and the lower box body is provided with an air channel opening corresponding to the air channel, the edge pressing frame assembly is provided with an anti-deformation plastic frame and a sealing piece, the anti-deformation plastic frame is arranged on the box body with the air channel opening in a sealing mode through the sealing piece, and an inflation support film is arranged on the periphery of the anti-deformation plastic frame, and seals the air channel opening from the inner side of the corresponding box body. The recyclable express and logistics box adopts the inflation structure, enables the inflationsupport film in the inflation structure to be convenient to replace, and uses the box bodies high in recycling rate and long in life.

The invention relates to a device which can shut off a single tire automatically or manually when a vehicle tire is inflated and deflated, in particular to a multifunctional valve which can automatically and rapidly shut off a gas circuit when the intake pressure is lower tan certain pressure and is widely applied to cross-country vehicles. The manual automatic tire shut-off valve enables a gas circuit channel to be shut off, can automatically shut off a gas channel between the tire and a rotating sealing air chamber through a spring arranged on the tire valve when the intake pressure is lower than a designed pressure value, can achieve pressure maintaining of the tire, and can achieve inflation, deflation, pressure measuring and pressure maintaining of the tire when the vehicle runs at a low speed.

The invention discloses a quick inflation / deflation connection device which comprises a valve component, a handle, a valve rod component, a stirring clamp component, a slip ring, a shell and a joint,wherein the valve rod component is arranged inside the shell; the slip ring is sleeved with an opening end of the shell and is applied to limiting when the opening end of the shell is connected with an external inflation mouth; one end of the stirring clamp component is fixedly connected with the valve rod component, and the other end is arranged on the shell and is limited by a steel ball; the stirring clamp component is stirred to drive the valve rod component to rotate, and a handle enables the valve rod component to move in the axial direction of the shell so as to open or close the valvecomponent; the joint is connected with the shell and is used for connecting an air path. The structural innovation of the valve rod realizes quick switch between the inflation and deflation air pathsof the quick inflation / deflation connection device. The quick inflation / deflation connection device overcomes the shortcoming of the prior art that only inflation or deflation can be realized by oncemounting and the air source needs to be removed or the joint needs to be changed for switching the two functions. The switch between the inflation and deflation air paths is realized by the stirring clamp component driving the position change of the valve rod, thus inflation and deflation are realized conveniently and quickly without removing the air source.

The invention discloses an air-pressure type recyclable express packaging box. Each of face plates of the packing box is internally of a hollow structure. A plurality of vertical pipes and a pluralityof transverse pipes are laid in the hollow structures of the face plates side by side. The vertical pipes penetrate through the upper face plate, the rear face plate, the lower face plate and the front face plate. The transverse pipes are arranged in the left face plate and the right face plate. The transverse pipes communicate with the vertical pipes located on the leftmost side edge or the rightmost side edge. The upper face plate is provided with a plurality of one-way valves which communicate with the vertical pipes in a one-to-one correspondence mode. The vertical pipes and the transverse pipes are provided with foldable pipes which are located on the connecting edges of the adjacent face plates. The non-adjacent face plate connecting edges of the face plates are uniformly provided with inflatable connecting columns which communicate with the vertical pipes or the transverse pipes located on the outermost edges of the face plates. The air-pressure type recyclable express packaging box has the advantages of being light in weight, convenient to transport and carry, good in cushion protection effect, easy and convenient to disassemble and assemble, low in cost and the like. Meanwhile, The air-pressure type recyclable express packaging box is equipped with an air inflation and deflation device and is more fast and convenient to use.

A power line pole anti-falling buffer base comprises an inflation base, an inflation valve and a pressure reducing valve. The buffer base can be inflated while surrounded by power line poles, the safety within the range of the power poles is ensured, and inflation and deflation are convenient and not limited by environmental thermal expansion and contraction; the pressure reducing valve automatically releases the pressure if the pressure is too high, a tension rope is used to support, and the buffer base is ensured to be pulled up and formed.

The invention discloses an intelligent sealing device based on biological detection and its working method, and relates to the technical field of intelligent sealing; in order to solve the problem that the sealing machine cannot protect the liquid; the intelligent sealing device includes a box body, one side of the box body The inner wall is rotatably connected with a transmission shaft. The working method of the intelligent sealing device includes the following steps: install the sealing bag on the bearing shaft by bypassing the guide roller, the clamping roller, and the through hole, and fix it through the baffle plate, and put the food to be detected and sealed Take out 5g and place it in the food detector for detection, put the rest of the food into a storage cup and place it on the conveyor belt, and turn on the device. In the present invention, by setting a food detector, a printer, a conveyor belt, a nitrogen storage box, a sealing box and a deodorizing box, the device can perform good sealing regardless of whether the sealed substance is solid or liquid, and the substance is filled with protective gas nitrogen for protection. , Improve the practicability of the sealing machine.

The invention relates to a semi-reclining position auxiliary device, in particular to a fully-automatic semi-reclining position assistant system and a use method thereof. The system includes an air generator, a reversing valve, an inflating pipe and a semi-reclining auxiliary device. The outlet of the air generator is connected with the reversing valve, the reversing valve is connected with the inflating pipe, and the inflating pipe is connected with the semi-reclining auxiliary device. A semi-reclining position assist device includes a first airbag assembly, a second airbag module and a thirdairbag module, wherein the second airbag module is disposed at an upper portion of the first airbag module, the third airbag module is disposed at an upper portion of the second airbag module, and the semi-reclining position assist device has adjusting inclinations of 30 degrees, 45 degrees or 60 degrees, and the reversing valve comprises an inlet of the solenoid valve, a first outlet of the solenoid valve and a second outlet of the solenoid valve, the first inlet of the solenoid valve is connected with the outlet of the air generating device, the second outlet of the solenoid valve is communicated with the outlet pipe, and the second outlet of the solenoid valve is communicated with the air charging pipe. The system has simple structure and can flexibly adjust the semi-horizontal angle of a user.

The invention provides a magnetically controlled slimming capsule with side airbags, which belongs to the field of medical devices. The magnetic control slimming capsule with side airbag provided by the present invention comprises: a capsule main body with a plurality of exhaust holes on the surface, and two baffles inside, so that three chambers are formed inside the capsule main body, and both baffles have baffles. There are valves slidingly installed in the plate holes and the baffle holes, and the ends of the valves are equipped with magnets, and the magnets are all in the same chamber; and the airbag is connected with the capsule body and has multiple airbag holes. The body is connected internally. Therefore, the slimming capsule of the present invention is beneficial to inflate and deflate, and facilitates the capsule to float on the gastric juice after inflated and to be easily discharged after deflated, without causing pain to the user.