Self-adaptive vamp for fitting foot

Abstract

The invention discloses a self-adaptive vamp. A fluid component and a fastener are arranged in the vamp. The fluid component is always in contact with the vamp; a bending force generated when the vampis bent can be absorbed; meanwhile, the fluid component is of a claw-shaped structure; the structure adapts to the stress condition of the vamp when the vamp is bent; the fluid component can also beused for well stretching and straightening out the vamp which is bent when the vamp is bent through expansion deformation; therefore, the vamp crease at the position is actively repaired; meanwhile, the fastener also adapt to the bending action of the vamp, fasten the heel bone during bending and prevent the shoe from being separated from the heel so as to be attached to the foot, and meanwhile, the bifurcated part and the main body part are in a communicated state, so that the integrated vamp structure can cope with the complex vamp bending condition, and the wear resistance and comfort of the integrated vamp structure are further improved.

Description

technical field [0001] The invention relates to the field of footwear, in particular to an adaptive vamp that fits the feet. Background technique [0002] People can't do without sneakers, sports shoes and other footwear in their daily life. The footwear includes two main elements: the upper and the sole structure. The foot extends into the space defined by the upper and the sole structure so that humans can walk on the road. The structure of human foot bones figure 1 As shown, five toes are included, and each toe is composed of several phalanges and a metatarsal, such as the big toe, which is composed of the distal phalanx 51, the proximal phalanx 52 and the first metatarsal 53. Similarly, the index toe , middle toe, ring toe and little toe are all composed of several phalanges and the second metatarsal bone 54, the third metatarsal bone 55, the fourth metatarsal bone 56 and the fifth metatarsal bone 57, the first cuneiform bone 58, the second cuneiform bone 59 and the th...

AI Technical Summary

Problems solved by technology

When people are walking or running, the proximal phalanges and metatarsals are repeatedly bent, which causes the upper to repeatedly bend and form creases. What’s more, degumming occurs at the joint between the upper and the sole, which seriously affects the The service life of footwear, at the same time, the curved upper will also squeeze the inner foot, affecting the comfort of people wearing shoes

Aiming at the problems of vamp creases and degumming of vamp and sole, some improved vamp structures also appear in the prior art: such as patent document 1, which discloses a durable shoe, which divides the vamp into front upper, rear middle The mesh upper is used as the connecting surface between them. The front and rear mid-top are made of soft cowhide. The connecting surface is set at the bending part of the front of the shoe, making use of the softness and high elasticity of the mesh elastic cloth itself. The characteristic makes the front vamp less prone to creases, but the vamp structure is not integrally formed, and different materials need to be cut and assembled together, the processing is more complicated, and the mesh elastic fabric itself will also have creases after being used for a long time. However, the problem of creases has not been fundamentally improved; another example is Patent Document 2, which discloses a shoe that divides the upper of the shoe into a first upper member and a second upper member that can move relatively. During the bending movement, the front edge portion of the second upper member slides longitudinally on the first upper member, and the rear end edge portion of the first upper member slides longitudinally under the second upper member, which improves the crease problem of the upper, However, since the first upper member and the second upper member can slide relative to each other, when the foot is bent, only the sole provides the anti-bending force. Although the bending force of the upper is changed, the stiffness of the sole is virtually increased. Bending wear, at the same time, because only the sole provides the anti-bending force, the foot is easily injured when running or other intense sports. Further, the upper of the shoe is passively deformed by force and cannot be actively restored; as in Patent Document 3, its A wear-resistant shoe is disclosed, in which an elastic pad 16 is pasted on the outer surface of the upper, and a series of grooves 38 are arranged on the elastic pad, and the grooves are arranged radially, and the deformation of the grooves 38 is used to absorb the bending of the upper. Bending deformation, although it can prolong the service life of the shoe upper, the elastic pad 16 that absorbs the bending deformation is only passively absorbing deformation force, and since the radial center 30 determined by the groove 38 is a definite point, the Shoes can only be used for feet of a specific size and length, and their versatility is poor; another example is Patent Document 4, which discloses a skateboard shoe that cuts out a triangular structure at the bent part of the sole, and then sews it on with a soft material. The triangular structure improves the stress on the sole and increases the service life of the mesh shoes, but there are still creases

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