91results about How to "Improve jumping ability" patented technology

An environmental thermoplastic PVC table tennis material comprises the following materials, by weight, 100 parts of polyvinyl chloride, 3-8 parts of a heat stabilizer, 1-5 parts of a lubricant, 10-30 parts of a reinforcing flexibilizer, 5-10 parts of a filling material, 0.1-0.2 part of a toner, 0.1-0.5 part of an anti-oxidant and 0.1-2 parts of an ultraviolet ray absorber. The preparation method of the environmental thermoplastic PVC table tennis comprises the following steps: firstly carrying out injection moulding to form two hemispheres, splicing the two hemispheres by the use of an adhesive to form a complete sphere, polishing, swelling in a die cavity to form a uniform table tennis, and carrying out aftertreatment to prepare a finished product ball. Thickness of the hemispheres, from top to bottom, is divided into five stages. The environmental thermoplastic PVC table tennis material has advantages of low cost, high hardness, excellent elastic modulus, good eccentricity and good environmental protection property, and can meet requirements of a game ball.

A sole structure with magnetic cushion includes an outsole; a midsole main body located on a top of the outsole and having a recess formed at a heel portion thereof; a magnetic cushion positioned in the recess of the midsole main body; a foam rubber layer located on a top of the midsole main body to sandwich the magnetic cushion between the foam rubber layer and the midsole main body; and an insole located on a top of the foam rubber layer for directly contacting with a user's foot. The magnetic cushion includes sequentially laminated first magnetic element, foam rubber spacer, and second magnetic element, and the first magnetic element and the second magnetic element are arranged with their poles of the same polarity facing toward each other, so that a magnetic repulsion is existed between the first and second magnetic elements to provide good buffering and cushioning effect.

The invention discloses a dielectric electroactive polymer (EAP) driver-based vertical jumping mechanism of a robot, which belongs to the technical field of jumping robots. The mechanism comprises a base (13), an upper cover plate (1), an EAP driver assembly, a central guide pillar (14), a central cylindrical cam (24), two bulged rods and two rod folding mechanisms, wherein the central cylindrical cam (24) is provided with a ratchet structure and a groove structure; the ratchet structure is matched with a pawl in the EAP driver assembly; the two bulged rods are symmetrically fixed on guide pillars (15) on corresponding sides and are matched with grooves of the central cylindrical cam (24); and the two rod folding mechanisms are hinged between the upper cover plate (1) and the base (13). In the mechanism, a dielectric EAP driver drives the central cylindrical cam to rotate unidirectionally through pawl and ratchet mechanisms, and the spiral grooves on the outer surface of the central cylindrical cam can simultaneously move downwards under the action of external force during the rotation of the central cylindrical cam, so that a six-rod mechanism is driven to deform and the center of gravity of the mechanism moves down; simultaneously, a spring is stretched to produce internal stress, so that the robot jumps; and the vertical jumping mechanism has a simple structural design and high movement reliability.

A disk shaped quiet bumper plate for a barbell has a rim of elastomeric material with a shock absorber region. The shock absorber region has a circumferential row of evenly spaced transverse holes. The material between the holes forms radial walls which act as shock absorbers when the bumper plate is dropped. This reduces noise without unduly increasing bounce.

The invention relates to a manufacturing technology of a basketball. The manufacturing technology comprises the steps that firstly, a layer of yarn is wound on a basketball liner, then, the basketballliner is wrapped with rubber, a basketball liner workblank is formed, and vulcanization is not carried out; basketball skin pieces are bonded on the basketball liner workblank through heating and compression; and finally, vulcanization is carried out, so that the basketball skin pieces and the basketball liner workblank are bonded more firmly. The manufacturing technology has the beneficial effects that design of the basketball is reasonable, glue is not utilized, and the technology is more environmentally-friendly; vacuum package and transportation can be adopted, and transportation efficiency is improved; the basketball bounces higher, and rebound is more powerful; and bonding is firmer, and degumming and skin wrapping problems are avoided.

The invention discloses an LDMOS device capable of improving rebound performance and a manufacturing method thereof. In the prior art, the LDMOS device has poor rebound performance because a low doping concentration of a high-voltage trap needs to be maintained to ensure that the LDMOS device has a high breakdown voltage. The LDMOS device capable of improving the rebound performance of the invention comprises a silicon substrate, a high-voltage trap, a source, a source drift region, a drain, a drain drift region, a gate and a side wall thereof; the LDMOS device also comprises a relieving block which is arranged in the high-voltage trap and is adjacent to the source drift region; and the relieving block has the same doping type as the high-voltage trap and has a higher impurity concentration than the high-voltage trap. Due to the arrangement of the relieving block, the LDMOS device can effectively reduce the base resistance of a parasitic BJT in the LDMOS device without changing the impurity concentration of the high-voltage trap, thereby effectively improving the maximum working voltage of the LDMOS device and improving the rebound performance of the LDMOS device.

The invention discloses a movement posture adjusting device for hopping robots. The movement posture adjusting device comprises a thigh, a thigh assistance leg and a shank, the thigh is hinged to a first position of the shank, and the thigh assistance leg is hinged to a second position of the shank. The movement posture adjusting device is characterized by further comprising a lead screw driving mechanism and a rod leg, wherein the lead screw driving mechanism is used for adjusting the included angle between the thigh and the thigh assistance leg or adjusting the first position and the second position on the shank synchronously, and the rod leg is connected to the second position of the shank, swings in the plane perpendicular to the plane where the thigh and the thigh assistance leg are located and is used for resetting. The movement posture adjusting device comprises an expanded self-resetting and continuous course adjusting mechanism and a hopping height and distance adjusting mechanism based on structure parameters. Through cooperation of the mechanisms, the practicality of the micro hopping robots can be remarkably improved.

The invention discloses a shoe pad capable of balancing the pressure of a sole, which comprises a shoe pad surface layer, a shoe pad main body and a function layer, wherein the shoe pad surface layer is pasted at the upper surface of the shoe pad main body; the function layer comprises a front sole energy feedback elastic block, an arch half moon-shaped supporting block and a heel cushioning block which are arranged at the lower surface of the shoe pad main body; the front sole energy feedback elastic block is pasted at the front sole of the shoe pad; the arch half moon-shaped supporting block is pasted at the arch; and the heel cushioning block is pasted at the heel. As the lower surface of the shoe pad main body is provided with the front sole energy feedback elastic block, the arch half moon-shaped supporting block and the heel cushioning block of the function layer, wherein the front sole energy feedback elastic block has a better elastic restoring force to be capable of assisting to enhance the springing ability of a user, the arch half moon-shaped supporting block can effectively increase the contact area between the shoe pad and the sole, and the heel cushioning block has the function of cushioning to be capable of protecting the heel and leading the heel to be hardly damaged, so that shoe pad synthesizes the structure to be capable of protecting the sole and balancing the pressure of the sole.

The invention discloses a foam basketball production method and a foam basketball thereof. The method includes the steps of producing an inner tube, producing a wrap yarn layer and producing an outer skin layer. The produced foam basketball comprises the inner spherical tube, the wrap yarn layer and the outer skin layer which are laminated in sequence from inside to outside, delaminating liquid is brushed on the outer surface of the inner tube, and the wrap yarn layer is connected with the outer surface, brushed with the delaminating liquid, of the inner tube in a wrapped manner. Air tightness, bounce and strength of the foam basketball are all higher than those of similar products.

The invention discloses a foaming basketball inner tube. The inner tube is prepared by a colloid which is subjected to mixing, discharging sheet, splicing molding, and shaping by vulcanization processing. The colloid accounts for 0.35 of the outer skin, wherein the colloid comprises 25-40 phr of smoked offset print, 75-80 phr of a butyl rubber, 30-40 phr of carbon black, 22-28 phr of light calcium, 40-45 phr of activated calcium, 15-20 phr of a talcum powder, 8-10 phr of oil, 5-7 phr of zinc oxide, 0.8-1.1 phr of stearic acid, 1-2 phr of an antioxidant, 1-1.3 phr of wax, 2.4-2.6 phr of sulphur and 4-5 phr of an accelerant. The foaming basketball inner tube provided by the invention is better than the same kind products in gas tightness, bounce performance and intensity.

The invention relates to a sole and a shoe made by the same, relating to the technical field of shoe products. The sole comprises a sole main body, the toe part of the front end of the sole main body is provided with five toe grooves matched with toes in shape; and a partition board is arranged between two adjacent toe grooves, extends from a toe puff part positioned between the two adjacent toe grooves to the toe part and is closely connected with the two adjacent toe grooves. The shoe made by the sole is characterized in that the toe part of the front end of the sole main body is provided with a vamp; a cavity formed by the sole main body and the vamp is internally provided with five toe grooves matched with the toes; fillers are arranged between the toe grooves and the vamp; and the peripheral side of the sole main body is provided with a shoe stretcher. The invention can be adapted to the structures of the toes, plays a role of correcting five toe deformation and promotes the healthy growth of human bodies.

A multifunctional insole is mainly provided with an insole body for the human foot to tread on, a hollow upheaval part integrally heaving up to the top face of the insole body from the bottom face of the insole body is formed on the insole body, and an air chamber is formed below the hollow upheaval part. Because the air chamber of the hollow upheaval part can deform between the stressed state and the relaxed state, hot air in the air chamber can be discharged, cold air can be sucked into the air chamber, and thus air convection in a shoe can be improved; the human foot and the shoe can be tightly attached to each other through the hollow upheaval part of the insole body, and thus the slip stopping function can be achieved.

The invention discloses a hopping robot hopping mechanism based on energy meshing conversion. The hopping robot hopping mechanism based on energy meshing conversion comprises a main body bracket and an energy conversion mechanism; the energy conversion mechanism comprises a driving motor, a transmission unit and two groups of energy conversion hopping units; the two energy conversion hopping unitsare correspondingly positioned on the two sides of the exterior of the main body bracket; each energy conversion hopping unit comprises a driving non-circular gear, a driven non-circular gear, a circular gear, a rack, an elastic component and a sole; the driven non-circular gears are meshed with the driving non-circular gears; the circular gears and the driven non-circular gears are coaxially arranged; the lower ends of the racks are fixed on the soles; the circular gears are meshed with the racks; the lower ends of the elastic components are arranged on the soles; and the elastic componentscomprise springs. The hopping robot hopping mechanism based on energy meshing conversion has the advantages of high energy conversion efficiency, high motor utilization rate, high hopping performanceand the like.

The invention relates to a horse riding bike comprising front and back elastic legs, the direction handlebar can turn relative to the bike body and also can drive the front elastic leg to turn left and right, and the back elastic leg is fixed unable to turn; the elastic legs are formed by elastic parts, force-supporting points, rubber hoofs, force-supporting legs and connecting parts. The lower ends of the elastic parts are equipped with the rubber hoofs and the upper ends are equipped with the connecting parts, and the force-supporting points are located between the rubber hoofs and the connecting parts. One end of the force-supporting leg is connected with the force-supporting point. A small bar above a pedal is right above an instep and is called an instep bar. The elastic parts are made by elastic materials. The good effect is that the horse riding bike reduces the risks of popular horse riding and ox riding in US and Spain, etc; in addition, the horse riding bike does not use electric power and has advantages of good elastic performance, many operation techniques, and has good effect in entertainment and fitness.

The invention discloses a bounce ability training method for physical training. The bounce ability training method is realized based on a bounce ability training device. The bounce ability training device comprises a bottom plate, a fixed frame with the bottom fixed to the top of the bottom plate, and two pedal structures connected to the two sides of the front surface of the fixed frame in a sliding manner respectively, wherein each pedal structure comprises a moving plate; and the back surface of each moving plate penetrates through the fixed frame and extends to the back surface of the fixed frame. The invention relates to the technical field of physical training. According to the bounce ability training method for physical training, the explosive leg strength of training personnel canbe sufficiently trained, so that the explosive leg strength of the training personnel can be improved, and the bounce ability of the training personnel is improved; and the safety is high, so that thesafety during training is guaranteed while the bounce ability of the training personnel is trained, and the legs of the training personnel during training are prevented from being injured.