45results about How to "Has a shock-absorbing effect" patented technology

The invention discloses a hardware fitting machining perforating device with an automatic dust removal function. The hardware fitting machining perforating device comprises a working table, a box shell is fixedly connected to the upper end of the working table, an air cylinder is arranged at the center of the upper end of the box shell, a fixing plate is fixedly connected to the lower end of the air cylinder through a piston rod, a motor shell is fixedly connected to the bottom of the fixing plate, a hole drilling motor is installed inside the motor shell, a drill bit is fixedly connected to an output shaft of the hole drilling motor, a plurality of chip spaces are evenly formed in the inner wall of the table face of the working table, a dust cage is communicated with the bottoms of the chip spaces, and the lower end of the dust cage is connected with a dust collector through a guide pipe. The hardware fitting machining perforating device is simple in structure and easy to operate, chippings generated by perforating can be collected, meanwhile, the cleaning effect is better, and the table face cleanliness of the working table is kept.

The invention discloses an efficient cleaning device used for a mechanical casting mould. The efficient cleaning device comprises a workbench, wherein the upper end of the workbench is fixedly connected with a machine body housing; a fixing frame is arranged in the machine body housing; a mould is placed at the upper end of the fixing frame; the periphery of the lower end of the fixing frame is fixedly connected with supporting posts; bottoms of the supporting posts are equipped with rolling balls; a rotary shaft is perpendicularly inserted into the upper-end center of the machine body housing; the lower end of the rotary shaft is horizontally fixedly connected with a cross rod; the end, away from the cross rod, of each telescopic pole is equipped with a cleaning brush; the outer wall of the end, penetrating through the inner wall of the machine body housing and extending outwards, of the rotary shaft is sleeved with a first transmission wheel; a belt is connected between a second transmission wheel and the first transmission wheel; and a water inlet tube is inserted into the inner wall of the upper end of the rotary shaft. The efficient cleaning device is simple in structure, is easy to operate, can effectively remove dust adhered on the inner wall of the casting mould, and ensures quality of cast products.

The invention discloses an auxiliary rehabilitation exercise device for realizing finger rehabilitation exercise. The device comprises a bracket and a finger support arranged on the bracket. One end of the bracket is provided with a first shaft, and one end of the first shaft is connected with a motor; the other end of the bracket is provided with a second shaft, one end of the second shaft is connected with a magnetorheological fluid damper, and the other end of the second shaft is connected with the other end of the first shaft by a spring; the finger support is fixed on the second shaft, the second shaft is also provided with an angular transducer for measuring angular displacement of the second shaft and a force transducer for measuring torque of the second shaft. Compared with the prior art, the device combines active and passive finger rehabilitation exercises, is especially suitable for the rehabilitation exercise of single wounded finger. Meanwhile, the device has simple and compact structure and low machining precision requirement.

The invention relates to an electric scooter, and belongs to the technical field of electric scooters. The technical problems that an existing electric scooter is inconvenient to carry due to the fact that the design of a folding mechanism is not ideal enough, and the shock absorbing effect is bad in the driving process are solved. According to the electric scooter, a shock absorbing mechanism is arranged between a scooter front wheel and a scooter head tube, and therefore the good shock absorbing property in the driving process is guaranteed; a connecting tube is arranged between a scooter body petal and a scooter head part, a folding mechanism is arranged in the connecting tube and cooperates with support tables arranged on the scooter body petal, therefore, the electric scooter can be well folded and unfolded, and use of people is convenient.

The invention discloses a multifunctional food safety distribution device which comprises a base and a distribution box. A groove is formed in the base; the distribution box is arranged in the groove; L-shaped limiting plates are symmetrically arranged on the two sides of the bottom of the distribution box; a plurality of mounting grooves are uniformly formed in the lower ends of the L-shaped limiting plates, and rolling balls are arranged in the mounting grooves correspondingly; a plurality of first telescopic rods are connected between the outer walls of the L-shaped limiting plates and the inner wall of the base, and the outer walls of the first telescopic rods are sleeved with first springs; a cold storage area and a heating area are arranged in the distribution box; pull rods are arranged in the cold storage area and the heating area correspondingly, and the bottoms of the pull rods are fixedly connected with bottom plates; and a plurality of food boxes are symmetrically arranged on the two sides of the outer walls of the pull rods. Operation is easy, using is convenient, quick and ingenious, the condition of scattering of foods in the distribution process can be effectively avoided, the distribution box is provided with a temperature control system which can control the temperature in the box in real time, the effects of cold storage and heat preservation are achieved, the safety of the foods is guaranteed, and the multifunctional food safety distribution device is suitable for wide promotion.

The invention provides a shear-press composite type elastic wheel for a low-floor tramcar and a production process thereof. The shear-press composite type elastic wheel for the low-floor tramcar comprises a wheel band, a press ring and a wheel core; the wheel band, the press ring and the wheel core are all made of high-purity iron alloy; the mass percentage of each component of the high-purity iron alloy is as follows: 0.015-0.5% of Si, 0.6-0.9% of Mn, 0.65-0.7% of C, 1.8-2.1% of Mg, 3.45-4.21% of Al, 0.005-0.04% of S, less than or equal to 0.3% of Cr, less than or equal to 0.30% of Cu, less than or equal to 0.25% of Ni, less than or equal to 0.04% of P, less than or equal to 0.08% of Mo, less than or equal to 0.05% of V, less than or equal to 0.02% of Sc, less than or equal to 0.03% of Tiand the balance of Fe. According to the shear-press composite type elastic wheel for the low-floor tramcar, by using a mode of adding a rare earth element and refining the rare earth element in steps, the tensile strength of the wheel band, the press ring and the wheel core is enhanced, the center of a material is close without a gap, and moreover, no metallic contamination is caused, and the strength uniformity of the surface is high; a rubber layer is embedded between the wheel band and the wheel core and has a vibration absorbing effect; the rubber layer possesses good radial stiffness andaxial stiffness; and meanwhile, the freedom of a wheel rim is limited; the problem that a tuned mass damper is additionally mounted on the external side of the wheel to suppress medium and low noisesis solved; the structure is simple; and the vibration absorbing and noise reduction effect is good.

The invention discloses a pneumatic leg type car. The pneumatic leg type car comprises a cab (1), a walk power system and a flight power system, wherein bumpers (8) are respectively arranged in the front and at the back of the cab. The pneumatic leg type car is characterized in that two symmetrical first cylinder seats (6) are respectively arranged in the front and at the back below the baseplate of the cab (1); first cylinders (6-1) are arranged in the first cylinder seats (6); piston rods (6-2) of the first cylinders are in the horizontal direction; ends of the piston rods (6-2) of the first cylinders are fixed on the corresponding bumpers (8); second cylinder seats (7) are respectively arranged at two ends of the bumpers (8); second cylinders (7-1) are arranged in the second cylinder seats (7); ends of piston rods (7-2) of the second cylinders are in threaded connection with first connecting sleeves (10); a heavy hammer type pneumatic balance valve (17) is arranged at the dead center below the baseplate (1-1) of the cab; and the pneumatic leg type car is also provided with a main rotor wing and a rear rotor wing, so that a flight function is added and people can fly during traffic jams and have a great view of beautiful rivers and mountains of motherland by using the flight mode when travelling outside.

The invention relates to the field of corrugated pipes, in particular to a corrugated pipe expansion joint and a corrugated pipe. The corrugated pipe expansion joint comprises an end pipe, a first flange plate and a second flange plate are arranged on the outer walls of the two sides of the end pipe correspondingly, two annular plates are connected to the outer wall of the middle of the end pipe,corrugated pipe bodies are connected between the first flange plate and the annular plates as well as between the second flange plate and the annular plates correspondingly, and air bags matched withthe corrugated pipe bodies are further arranged on the outer wall of the end pipe; a first threaded rod is connected to a first supporting lug, a second threaded rod is connected to a second supporting lug, a limiting rod is further arranged on the first threaded rod, and the limiting rod is slidably connected to the second threaded rod; and a second spring is arranged between a first rotary knoband a second rotary knob, and fixing assemblies are arranged on the first rotary knob and the second rotary knob correspondingly. The corrugated pipe expansion joint can be suitable for the corrugatedpipes with different lengths, has the certain buffer effect, can avoid instability or damage of the corrugated pipes under force bearing, and is more convenient to use.

The invention relates a manufacture method of a sandal with an EVA independent insole, and mainly discloses a special EVA formula and a manufacture process. By regarding weight parts of EVA as 100 parts and expressing other constituents in weight parts relative to the EVA, the special EVA formula comprises, based on the weight part ratio, 100 parts of EVA raw material, 2.5 parts of AC foaming agent, 1.5 parts of zinc oxide, 0.75 part of dibasic calcium phosphate, 0.15 part of acceleration agent, 1.2 parts of flow promoting agent, 0.5 part of stearic acid, 0.66 part of zinc stearate, 0.17 part of covalence bridge promoting agent, 10 parts of talcum powder and appropriate color mother grains. The EVA insole is obtained through processes of weighing, banburying, refining starting, pelleting, shaping and the like, and then manufacture of the sandal with the independent EVA insole is completed through the manufacture process of the sandal.

The invention discloses a medical insurance mobile settlement system. The system comprises a shell. A card swiping machine is fixed on the upper end of the shell, and a card swiping groove is arrangedon the card swiping machine. The upper end of the card swiping machine is equipped with a display, and the front end of the left portion of the display is provided with a touchable display screen, and the upper end of the display is welded with a camera. The left and right walls of the shell are fixed with a processor and a storage device, and the rear end of the shell is installed with a heat dissipation plate. A fixing screw is installed on the heat dissipating plate, the fixing screw passes through the heat dissipation plate from the back to the front and forms threaded connection with therear end of the shell, and a heat dissipating fan is installed at the middle position of the heat dissipation plate. The lower portion of the shell is placed in a protective box, and the lower innerwall of the protective box is fixedly connected to the lower end of the shell through a spring. In the invention, through arranging the camera, the heat dissipation plate, the protective box, the spring, the fixing screw and the heat dissipating fan, problems that there are no protection and monitoring functions; a heat dissipation effect is not good; and disassembling and cleaning can not be performed are solved.

The invention discloses an elevator with multiple damping performance and capable of increasing comfortableness. The elevator comprises an elevator shell and is characterized in that an elevator car is arranged in the elevator shell, a plurality of dampers are connected between the upper end face of the elevator car and the lateral wall of the inner top of the elevator shell, a base is fixedly arranged at the inner bottom of the elevator shell, vertical plates are fixedly integrally arranged at the left end and the right end of the base, a fixing seat is arranged on the bottom end face of theelevator car, and a plurality of first damping springs are arranged between the bottom end face of the fixing seat and the upper end face of the base. The elevator has the advantages that the elevatoris simple in structure, the elevator is excellent in buffering function through quadruple buffering, the riding comfortableness of the elevator is increased, and the service life of the elevator is prolonged.

The invention relates to a composite sliding seat matched with a guide rail of a machine tool. The sliding seat comprises an upper supporting surface, a lower pressing plate surface and side faces, wherein the upper supporting surface and the lower pressing plate surface of the sliding seat are provided with oil cavities which make the guide rail and the sliding seat form a static pressure fit; and the side faces are provided with a plastic-attached layer respectively. The sliding seat combines the advantages of sliding seats in a static pressure form and in a plastic-attached mode, is low in friction coefficient, can make the driving power greatly reduced, is light and flexible in motion and has no crawling phenomenon at a low speed; working surfaces of the sliding seat and the guide rail are not directly contacted, abrasion hardly occurs, the original precision can be kept for a long time, the sliding seat has long service life, high bearing capacity, high rigidity and low frictional heating, the guide rail is low in temperature rise, the oil has vibration absorbing function, and the sliding seat is high in vibration resistance, simple in structure, high in stability, and convenient to machine, assemble, repair and adjust.

The invention discloses an unmaking device for one-off medical apparatus. The unmaking device comprises a shell body, wherein the inner portion of the shell body is provided with a first unmaking chamber and a second unmaking chamber which are arranged in sequence from left to right, the left end of a first rotating shaft in the first unmaking chamber is rotationally connected with an output end of a first servo motor, the left and right ends of the first rotating shaft are rotationally connected with the inner wall of the shell body through bearings respectively, the first rotating shaft is fixedly provided with a circular blade, the lower left end of the first servo motor is fixedly connected with the inner wall of the shell body through a spring, a damping soundproof felt adheres to theinner wall of the shell body, the right end of a second rotating shaft in the second unmaking chamber is rotationally connected with a second servo motor, and the second rotating shaft is fixedly provided with a spiral blade. The unmaking device for the one-off medical apparatus has the advantages that the damping soundproof felt, the circular blade, the first servo motor, the spring, the spiralblade and the second servo motor are arranged, thereby solving the problem that unmaking work performed by a medical worker is not facilitated due to the fact that an unmaking iron needle function isnot provided and the noise is larger.

The invention relates to the field of bellows, in particular to a bellows expansion joint and its bellows, including an end pipe, the outer walls of both sides of the end pipe are respectively provided with a first flange and a second flange, the end pipe There are two ring plates connected to the outer wall of the middle part, the bellows body is connected between the first flange plate and the ring plate and the second flange plate and the ring plate, and the outer wall of the end pipe is also provided with an air bag that matches the bellows body ; A first threaded rod is connected to the first support ear, a second threaded rod is connected to the second support ear, a limit rod is also provided on the first threaded rod, and the limit rod is slidably connected to the second threaded rod; A second spring is provided between the knob and the second knob, and a fixing assembly is provided on the first knob and the second knob; the present invention is applicable to bellows of different lengths, and has a certain buffering effect, which can avoid bellows It is more convenient to use when it is unstable or damaged under force.

A heating furnace bottom vaporization cooling pipeline lower support device comprises a fixing base and an adjusting assembly. A spring is arranged in the fixing base, one end of the spring abuts against the bottom wall of an assembling groove, and the other end of the spring is provided with a check ring sleeve. The adjusting assembly comprises an adjusting screw, one end of the adjusting screw is adjustably connected with the top face of the check ring sleeve, a bracket is arranged at the other end of the adjusting screw, the upper side face of the bracket is a bearing face used for making contact with a pipeline, the bearing face is of a V-shaped face structure, and the bracket is of a hollow structure. The heating furnace bottom vaporization cooling pipeline lower support device has the beneficial effects that the structure is simple, and usage is convenient; the heating furnace bottom vaporization cooling pipeline lower support device can solve the problem that when a pipeline expands due to heat and shrinks due to cold and inner stress is generated, a pipeline support structure is likely to cause pipeline stress accumulation, and structure damage (fatigue crack) is likely tohappen; due to usage of the heating furnace bottom vaporization cooling pipeline lower support device, the water leakage accident can be effectively prevented; the heating furnace bottom vaporizationcooling pipeline lower support device has the functions of heat isolation, buffering and vibration absorbing; and a V-shaped structure is adopted on the top face of the bracket, pipeline positioning is accurate, and the pipeline arrangement stability degree can be improved.

The invention belongs to the technical field of transportation, and particularly relates to an aquatic product transportation device. An insulated and shockproof aquatic product transportation device with cooling and oxygen making functions is provided. The technical solution comprises a box, a controller, an oxygen maker, a cooling device, a sensor, an oxygen catheter, an insulated layer and a shockproof layer; the outer surface of the box is provided with the insulated layer; the shockproof layer is arranged outside the insulated layer; the cooling device comprises a cooling tube and a temperature control element; a first cavity and a second cavity are arranged in the box; the cooling tube and the sensor are arranged in the first cavity; the oxygen catheter is arranged in the second cavity; the controller is arranged outside the box; the controller is connected with the oxygen maker; the cooling tube and the sensor are connected with one end of the temperature control element; and the other end of the temperature control element is connected with the controller.

The invention discloses an anti-slip shoe pad which comprises a shoe pad body. The bottom end of the front surface of the shoe pad body is provided with an abrasion-resistant pad in an embedded way, an antibacterial shock absorbing pad is fixedly connected to the front surface of a sole pad, an anti-slip heightening block is fixedly connected to the bottom end of the rear surface of the shoe pad body, and a sucking cup is fixedly connected to the rear surface of the anti-slip heightening block. The bottom of the shoe pad body can be fixed through the sucking cup, the sole pad can be fixed through an abrasion-resistant anti-slip ring, the shoe pad body can be effectively prevented from slipping, the inside of a shoe is sterilized and deodorized through an anion sterilization layer and a perfume layer in the antibacterial shock absorbing pad, the abrasion resisting effect is improved through the abrasion-resistant pad, the service life of the shoe pad body is prolonged, a heightening effect can be achieved through the anti-slip heightening block, shock absorbing supporting columns in the anti-slip heightening block can make the shoe pad body have shock absorbing and buffering effects, and meanwhile the shock absorbing supporting columns can prevent the shoe pad body from deforming.

The invention discloses a servo motor encoder. The servo motor encoder comprises a rotary shaft, an encoder component, a shock absorption connecting piece used for absorbing shock and a shock absorption connecting piece installing base used for installing the shock absorption connecting piece, wherein one end of the shock absorption connecting piece is connected with a servo motor, the other end of the shock absorption connecting piece is connected with the rotary shaft, the rotary shaft is connected into the shock absorption connecting piece installing base in a sleeved mode, and the encodercomponent is installed on the end face, relatively away from a cross-shaped connecting shaft component, of the shock absorption connecting piece installing base. Since the encoder component is connected with the servo motor through a shock absorption connecting piece instead of being directly connected with the servo motor, when the servo motor is impacted, external acting force is first transmitted to the shock absorption connecting piece by the servo motor and then is transmitted to the encoder component, the shock absorption connecting piece has a certain shock absorption effect, the encoder component can be effectively protected against damage, the influence of the impact on the encoder in operation is weakened, and the precision of the encoder is improved.

The invention discloses a clamping device for processing a flexible circuit board of an optoelectronic product, and relates to the technical field of circuit board processing. The invention comprises a fixed plate, a first U-shaped seat, a second U-shaped seat and a driving assembly, the first U-shaped seat and the second U-shaped seat are respectively provided with a first air bag and a second air bag, and the upper end of the first air bag is fixed The first flexible pipe penetrates through the first U-shaped seat and is fixed with the driving assembly, and the second flexible pipe fixed at the upper end of the second airbag passes through the second U-shaped seat and is fixed with the driving assembly. The air can be compressed through the drive assembly, and then the air can be delivered to the first airbag through the first hose, and the air can be delivered to the second airbag through the second hose, after delivery, the first airbag and the second airbag are inflated at the same time , the inflated first airbag and the second airbag can drive the second protective component to fix the circuit board, which can prevent the circuit board from being damaged due to excessive instantaneous force.

A rear suspension children scooter comprises a beam frame, a swing frame, a front wheel, a rear wheel frame, a rear wheel, a seat, two universal wheels, a circular cover and a brake; the beam frame is formed by a longitudinal beam pipe, a rotating cylinder, a left and right handle, a barrel ring and a punching sheet with a hole through welding; a bearing is embedded in the rotating cylinder; the rear wheel frame is connected with the barrel ring and the rear wheel; the punching sheet with the hole is connected with the seat; the swing frame is formed by a waveform cross rod, a short shaft, a front fork, two swing rods and two screw cylinders through welding; the front fork is connected with the front wheel; the short shaft penetrates a bearing hole of the rotating cylinder; each universal wheel is connected into the corresponding screw cylinder through a wheel fork bolt in a screwed mode, wherein each screw cylinder is arranged at the rear end of the corresponding swing rod; a brake handle of the brake is arranged on the left and right handle; a brake pad of the brake is arranged on the rear wheel frame; a brake cable is connected with the brake handle and the brake pad; the brake pad is used for braking the rear wheel.

The invention belongs to the field of pesticide spraying devices, particularly relates to a portable pesticide spraying device for planting bamboo reeds, and aims to solve the problems that an existing pesticide spraying device for planting the bamboo reeds is inconvenient to carry and use, poor in use effect and single in function. The portable pesticide spraying device comprises a water tank anda pesticide spraying pipe, and a base is fixedly installed at the lower end of the water tank; idler wheels are movably installed at the rear portion of the lower end of the base, supporting legs arefixedly installed at the front portion of the lower end of the base, a handle is fixedly installed above the rear end of the water tank, an equipment box is fixedly installed at the position, locatedat one side of the water tank, of the upper end of the base, and a pump body is fixedly installed at the rear position of the upper end of the equipment box; and a connecting base is fixedly mountedat the front portion of the upper end of the equipment box, and a positioning plate is fixedly mounted above the other side of the water tank. According to the portable pesticide spraying device, thepesticide spraying device can be conveniently carried and used, the using effect of the pesticide spraying device can be improved, and the functions of the pesticide spraying device can be more diversified.

The invention belongs to the technical field of building construction, and discloses a concrete pump pipe supporting device and a using method thereof. The concrete pump pipe supporting device comprises a bearing pipe, the bearing pipe is arranged on a bearing shaft in a sleeving mode, the two ends of the bearing shaft are both concentrically connected with the inner ends of rotary shafts, and theouter ends of the rotary shafts are provided with tubular buffer pipes; the side walls of the buffer pipes are provided with through hole type openings, and the outer ends of the rotary shaft penetrate through the openings correspondingly; the left side and the right side of the rotary shaft are provided with buffer springs located in the buffer pipes correspondingly, cylindrical side bearing rods are connected between the left ends of the buffer pipes as well as between the right ends of the buffer pipes, and the middles of the side bearing rods are sleeved with tubular side sleeves; the joints between the buffer pipes and the side bearing rods are connected with the upper ends of cylindrical supporting rods, the supporting rods incline outwards from top to bottom, and the lower ends ofthe supporting rods are connected with the four corners of a square supporting frame correspondingly; and the buffer pipes and the side bearing rods are parallel to the side edges of the supporting frame below the buffer pipes and the side bearing rods. The concrete pump pipe supporting device has the multi-dimension multi-direction damping buffer effect and is good in deformation resistance.

The invention relates to the technical field of intelligent carrying, in particular to a following type AGV (automatic guided vehicle). The following type AGV comprises a first mounting rack, whereina first motor is fixedly mounted at the top in the first mounting rack, a driving shaft of the first motor is fixed with one end of a first rotating shaft, the other end of the first rotating shaft penetrates through the first mounting rack and fixed with the top of a rotating plate, the bottom of the rotating plate is fixed with one end of a first damping rod, a universal wheel is fixedly mountedat the other end of the first damping rod, the rotating plate is fixed with a route induction device through a support, a storage battery and a controller are fixedly mounted in the first mounting rack, the top of the first mounting rack is connected with one end of each spring, the other ends of the springs are connected with a storage plate, and anti-collision air cushions are fixedly mounted on the side wall of the first mounting rack. By means of the provided technical scheme, the defects of no damping buffering function, no anti-collision function and comparatively complicated structuresin the prior art can be effectively overcome.

The invention discloses a crane shear fork combined type balance moving counterweight assembly which comprises a top cover. A top cover panel is fixedly installed at the upper end of the top cover, arear end adaptive screw set is fixedly arranged at the rear end of the upper end of the top cover panel, and the rear end adaptive screw set is located at the rear end of the inner side of the top cover. A front end adaptive screw set is fixedly arranged at the front end of the upper end of the top cover panel and located at the front end of the inner side of the top cover, a storage chamber outerwall is fixedly installed at the lower end of the top cover, and a lower end weight containing chamber is fixedly arranged on the inner side of the storage chamber outer wall. According to the craneshear fork combined type balance moving counterweight assembly, a suction cup structure is adopted, a main weight block is stably fixed to a certain position through the pressure difference, mountingstability of the main weight block can be improved, the main weight block can have the damping and buffering effects, and stability of the whole assembly in the transportation process is effectively improved.

The invention provides an adjustable safety auxiliary hoisting device for indoor decoration objects. The adjustable safety auxiliary hoisting device comprises a base, a fixing plate, a first gear anda placing plate; a hoisting component is arranged above the base, and a placing component is arranged at one end of the hoisting component; a supporting column is fixedly connected with the upper endof the base, and the top of the supporting column is fixedly connected with the fixing plate; a second gear and a third gear clockwise rotate along the outer wall of the first gear, then a heavy object on the placing plate can be driven to gradually move upwards for hoisting, and through cooperation of a rotating disc and a first rotating shaft, the first gear can be driven to move to a certain extent through movement of a limiting block along a sliding rail while hoisting is carried out; and then the first gear, the second gear and the third gear are integrally deformed so that the heavy object on the placing plate can be driven to move transversely, a user can take the heavy object conveniently, the whole equipment is prevented from moving, and turning can be realized in the hoisting process.

The invention discloses a steel sofa bracket with damping and cushioning functions, which comprises two support racks, the top of each support rack is fixedly mounted with a support rod, the top end of the support rod is fixedly mounted with a mounting rack, a sliding sleeve is in sleeved joint with the support rod, a first stopper and a second stopper are fixedly mounted at the upper part and the lower part of the sliding sleeve respectively, a spring is enwound on the support rod, and one end of the spring is fixedly connected with the top of the second stopper. Through the coordination of the support racks, the support rods and the sliding sleeves, a mounting block can move up and down; through the springs, the mounting block has damping and cushioning effects while moving up and down; a mounting plate is driven by the mounting block to move up and down; and through the coordination of torsion springs, rotating shafts, connecting rods, roller wheels and guide rails, the mounting plate has damping and cushioning effect while moving up and down.

The invention discloses a pneumatic leg type car. The pneumatic leg type car comprises a cab (1), a walk power system and a flight power system, wherein bumpers (8) are respectively arranged in the front and at the back of the cab. The pneumatic leg type car is characterized in that two symmetrical first cylinder seats (6) are respectively arranged in the front and at the back below the baseplate of the cab (1); first cylinders (6-1) are arranged in the first cylinder seats (6); piston rods (6-2) of the first cylinders are in the horizontal direction; ends of the piston rods (6-2) of the first cylinders are fixed on the corresponding bumpers (8); second cylinder seats (7) are respectively arranged at two ends of the bumpers (8); second cylinders (7-1) are arranged in the second cylinder seats (7); ends of piston rods (7-2) of the second cylinders are in threaded connection with first connecting sleeves (10); a heavy hammer type pneumatic balance valve (17) is arranged at the dead center below the baseplate (1-1) of the cab; and the pneumatic leg type car is also provided with a main rotor wing and a rear rotor wing, so that a flight function is added and people can fly during traffic jams and have a great view of beautiful rivers and mountains of motherland by using the flight mode when travelling outside.

The invention relates to an electric scooter, and belongs to the technical field of electric scooters. The technical problems that an existing electric scooter is inconvenient to carry due to the fact that the design of a folding mechanism is not ideal enough, and the shock absorbing effect is bad in the driving process are solved. According to the electric scooter, a shock absorbing mechanism is arranged between a scooter front wheel and a scooter head tube, and therefore the good shock absorbing property in the driving process is guaranteed; a connecting tube is arranged between a scooter body petal and a scooter head part, a folding mechanism is arranged in the connecting tube and cooperates with support tables arranged on the scooter body petal, therefore, the electric scooter can be well folded and unfolded, and use of people is convenient.