CN115530480A - Ejection shoe sole and shoe - Google Patents

Abstract

The invention discloses an ejection shoe sole which comprises an upper insole and a lower insole which are overlapped up and down, wherein a support plate is arranged between the upper insole and the lower insole, a dividing groove is arranged on the support plate, the middle foot part and the heel part of the support plate are divided into a first ejection part and a second ejection part by the dividing groove, and the first ejection part and the second ejection part are arranged in an included angle; an ejection support part is arranged on the upper insole or the lower insole and is supported between a first ejection part and a second ejection part, a cavity unit is formed on one side of the ejection support part close to the heel part of the sole and corresponds to the area of the first ejection part close to the heel part, so that a deformation space is provided; a shoe is also disclosed. The invention can provide good ejection power assistance for the feet of the human body, has excellent rebound resilience and shock absorption, good stability and support of the heel part, good bending performance of the half sole part and great reduction of the weight of the sole.

Description

Ejection shoe sole and shoe

Technical Field

The invention relates to the field of shoes, in particular to an ejection sole and a shoe.

Background

With the rise of national fitness, people have higher and higher requirements on the functionality of professional sports shoes, and how to further improve the resilience of soles becomes an important research and development direction of the sports shoes. In order to improve the resilience performance of the sole, the sole of the existing sports shoe is usually made of a material with excellent resilience, or a damping structure such as a hollow structure is compounded on the sole, so that the sports shoe can better exert the characteristics of resilience and damping.

However, the existing sole shock absorption and rebound design has limited effects, and is difficult to provide sufficient ejection assistance for the feet of the human body, so that the sports performance of the wearer cannot be further improved while the sports safety is ensured.

Disclosure of Invention

The invention aims to provide an ejection sole and a shoe comprising the same, which can ensure the damping and buffering effects, provide strong ejection assistance for a runner and help to improve the sports performance. The specific technical scheme is as follows:

an ejection shoe sole comprises an upper insole and a lower insole which are overlapped up and down, wherein a support plate is arranged between the upper insole and the lower insole, a dividing groove is formed in the support plate, the middle foot part and the heel part of the support plate are divided into a first ejection part and a second ejection part by the dividing groove, and the first ejection part and the second ejection part are arranged at an included angle; be provided with on upper insole or the lower floor insole and launch the supporting part, launch the supporting part and support and launch between the portion at first ejection portion and second, launch the supporting part and be close to one side at sole heel position and be formed with the cavity unit, the cavity unit is corresponding with the regional position that the heel position is close to in first ejection portion to provide the deformation space.

Further, the cut-off groove is the arc, and the tongue shape is cut apart into with first ejection portion to the arc separation groove, cuts apart into the semicircle with second ejection portion, and the middle zone at sufficient position and heel position in the backup pad is located to first ejection position, and the second is launched the board and is located the outward flange at sufficient position and heel position in the backup pad, encircles the outside setting of first ejection portion.

Furthermore, the one end that first ejection portion is close to the heel position upwards perk slope setting in vertical direction to with the second formation contained angle between the ejection portion.

Further, the one end that first ejection portion is close to the heel position inclines downwards in vertical direction and extends the setting to form the contained angle between with the second ejection portion.

Further, the second ejection portion of backup pad includes the inside portion that corresponds with human heel inboard, the outside portion that corresponds with the human heel outside and the heel portion that corresponds with human heel rear side, and the hardness of inside portion is greater than the hardness of outside portion, and the hardness of heel portion is less than the hardness of outside portion.

Further, launch the supporting part setting at the middle foot position in lower floor insole, the protrusion sets up in the upper surface in lower floor insole, launches the supporting part and stretches into between the first portion of launching and the second portion of launching of backup pad from bottom to top, and the heel position in lower floor insole is provided with hollow out construction with the corresponding position department of cavity unit, and the cavity unit is linked together through hollow out construction and the space below the lower floor insole.

Furthermore, a groove is formed in the lower portion of the ejection support portion of the lower midsole, and the thickness of the ejection support portion can be reduced through the groove; be provided with the outsole on the lower surface in lower floor's insole, the heel position department of outsole is provided with the fretwork, and the fretwork corresponds the setting with the hollow out construction position on the insole of lower floor, and the first portion of launching of backup pad is linked together through hollow out construction on the insole of lower floor and the fretwork on the outsole and the space of launching the sole below.

Furthermore, a supporting wall is arranged at the heel position of the upper insole and is arranged on two sides of the cavity unit.

Furthermore, a grid hollow structure is arranged on the supporting wall to enhance the elastic deformation capacity of the supporting wall.

Furthermore, a buffering wall is arranged at the heel position of the upper insole, and the buffering wall is arranged between the two supporting walls and is positioned at the rear side of the cavity unit.

Further, the second ejection part of the support plate is bent upwards and protrudes at the outer side area close to the heel part; the central area of the first ejection part of the support plate is arc-shaped concave.

Furthermore, the ejection supporting part is arranged on the lower portion of the middle sole of the upper layer and protrudes out of the lower surface of the middle sole of the upper layer, and the ejection supporting part extends into the space between the second ejection part and the first ejection part of the supporting plate from top to bottom.

Furthermore, the cavity unit is formed between the first ejection part and the second ejection part and is arranged close to the heel parts of the first ejection part and the second ejection part, so that a suspension structure is formed at the heel part of the ejection sole.

Further, the heel position of lower floor's insole narrows to the middle zone from the inside and outside both sides of ejecting the sole, and the end at lower floor's insole heel position shortens towards the midfoot direction, makes the width at lower floor's insole heel position be less than the width at upper insole heel position, and is shorter in the heel position in upper insole in the orientation of human heel.

Furthermore, the height of the outer edge of the second ejection part of the support plate is higher than that of the inner edge, so that the second ejection part is obliquely arranged; the first ejection portion of backup pad is formed with the platform near the one end at heel position, and the platform extends to the outside of the ejection supporting part of upper insole.

Furthermore, a bending groove is formed in the half sole portion of the lower-layer insole, an interval space is formed between the bending groove and the supporting plate, and the width of the middle of the bending groove is larger than the width of the bending groove close to the inner side and the outer side of the lower-layer insole.

Further, a lower ejection pillow is arranged on the outer side of the lower insole, an upper ejection pillow is arranged on the half sole portion of the upper insole, an ejection protrusion is arranged on the half sole portion of the supporting plate, the upper ejection pillow is opposite to the lower ejection pillow, the ejection protrusion is located between the upper ejection pillow and the lower ejection pillow, and ejection spaces are formed between the ejection protrusion and the upper ejection pillow and between the ejection protrusion and the lower ejection pillow respectively.

Furthermore, an included angle formed between the first ejection part and the second ejection part is 10-40 degrees.

Furthermore, the support plate is provided with a connecting part, the connecting part is arranged at the inner side region and the outer side region of the middle foot part of the support plate and protrudes out of the lower surface of the support plate, and the connecting part extends along the extending direction of the middle foot part of the support plate.

A shoe, comprising any one of the ejection shoe soles.

The ejection sole and the shoe provided by the invention can provide good ejection assistance for feet of a human body, have excellent rebound resilience and shock absorption, can obviously improve the athletic performance of a wearer, have good stability and support performance of a heel part of the ejection sole, can avoid athletic damage of the wearer, have good bending performance of a half sole part of the ejection sole, can improve the wearing comfort of the sole, are convenient for the support plate to rebound quickly, and simultaneously greatly reduce the weight of the sole.

Drawings

Fig. 1 is a side view of a first embodiment of the ejector shoe sole of the present invention.

Fig. 2 is an exploded view of a first embodiment of the ejector shoe sole of the present invention.

Fig. 3 is a first perspective view of a first embodiment of the ejection shoe sole of the present invention.

Fig. 4 is a perspective view of a first embodiment of the ejector shoe sole of the present invention.

Fig. 5 is a top view of a support plate in a first embodiment of the ejector shoe sole.

Fig. 6 is a perspective view of a support plate in a first embodiment of the ejector shoe sole.

Figure 7 is a perspective view of the upper midsole of a first embodiment of the ejector sole.

Figure 8 is a perspective view of the lower midsole of a first embodiment of the ejector sole.

Fig. 9 is a side view of a second embodiment of the ejector shoe sole of the present invention.

Fig. 10 is an exploded view of a second embodiment of the ejector shoe sole of the present invention.

Fig. 11 is a top view of a support plate in a second embodiment of the ejector sole.

Fig. 12 is a perspective view of a support panel in a second embodiment of the ejector sole.

Figure 13 is a perspective view of the upper midsole of a second embodiment of the ejector sole.

Figure 14 is a perspective view of a lower midsole of a second embodiment of the ejector sole.

Fig. 15 is a perspective view of a second embodiment of the ejector shoe sole of the present invention.

Fig. 16 is a side view of a third embodiment of the ejector sole of the present invention.

Figure 17 is a side view of the upper midsole of a third embodiment of the ejector sole.

Fig. 18 is a side view of a fourth embodiment of the ejector shoe sole of the present invention.

Fig. 19 is an exploded view of a fourth embodiment of the ejector shoe sole of the present invention.

Fig. 20 is a first perspective view of a fourth embodiment of the ejector shoe sole of the present invention.

Fig. 21 is a second perspective view of a fourth embodiment of the ejector shoe sole of the present invention.

Figure 22 is a perspective view of the upper midsole of the fourth embodiment of the ejector sole.

Fig. 23 is a first perspective view of a support plate in a fourth embodiment of the ejector shoe sole.

Fig. 24 is a second perspective view of the support plate in the fourth embodiment of the ejector shoe sole.

Figure 25 is a perspective view of the lower midsole of the fourth embodiment of the ejector sole.

Fig. 26 shows a comparative test sample shoe.

Detailed Description

For a better understanding of the objects, structure and function of the invention, the ejecting shoe sole and the shoe according to the invention will be described in more detail with reference to the accompanying drawings.

As shown in fig. 1 to 8, in the first embodiment, the ejecting sole of the present invention comprises an upper midsole 11 and a lower midsole 12 which are overlapped up and down, and a support plate 13 is disposed between the upper midsole 11 and the lower midsole 12.

As shown in fig. 2, 5 and 6, the support plate 13 includes a forefoot portion, a midfoot portion and a heel portion, the midfoot portion and the heel portion of the support plate 13 are provided with arc-shaped dividing grooves, and the dividing grooves divide the midfoot portion and the heel portion of the support plate 13 into a first ejection part 131 and a second ejection part 132.

Wherein, first ejection portion 131 is tongue-shaped, is located the middle zone at midfoot position and heel position, and second ejection portion 132 is the semicircle form, is located the outer border position at midfoot position and heel position, encircles the outside at first ejection portion 131. One end of the first ejection part 131 close to the heel part tilts upwards in the vertical direction, so that the first ejection part 131 is wholly obliquely arranged and forms an ejection space with the second ejection part 132.

As shown in fig. 2 and 8, the lower midsole 12 includes a half sole portion, a middle foot portion and a heel portion, the middle foot portion of the lower midsole 12 is provided with an ejection support portion 121, and the ejection support portion 121 protrudes from the upper surface of the lower midsole 12. The projected height of the ejection support 121 gradually increases in the direction toward the heel portion of the midfoot portion of the lower midsole 12 to form a ramp-like inclined boss. A cavity unit 15 is further formed at one end of the ejection support part 121 close to the heel part, and the cavity unit 15 corresponds to the heel part of the lower midsole 12.

As shown in fig. 2 and 7, the upper midsole 11 includes a half sole portion, a midfoot portion, and a heel portion, a support wall 111 and a buffer wall 112 are disposed at the heel portion of the upper midsole 11, the support walls 111 include two sets respectively disposed at the inner side and the outer side of the heel portion, and the buffer wall 112 is disposed at the rear side of the heel portion and located between the two support walls 111.

As shown in fig. 1 to 4, when the upper midsole 11, the lower midsole 12 and the support plate 13 together form the ejection sole, the support plate 13 is attached to the upper surface of the lower midsole 12, and the upper midsole 11 is attached to the upper surfaces of the support plate 13 and the lower midsole 12.

The half sole part of the supporting plate 13 is arranged corresponding to the half sole part of the lower midsole 12, the ejection supporting part 121 extends into an ejection space between the first ejection part 131 and the second ejection part 132 of the supporting plate 13 from bottom to top, is supported between the first ejection part 131 and the second ejection part 132, and is attached to an area of the first ejection part 131 close to the midfoot part, and the cavity unit 15 located on one side of the ejection supporting part 121 is formed below the first ejection part 131 and corresponds to an area of the first ejection part 131 close to the heel part.

The half sole position of upper insole 11 corresponds and laminates the setting each other with the half sole position of backup pad 13 and the half sole position of lower floor insole 12, the midfoot position and the heel position of upper insole 11 and the laminating of the first portion 131 of launching of backup pad 13 set up, and simultaneously, the knee wall 111 and the buffer wall 112 of upper insole 11 extend downwards in vertical direction, and support and lean on the second portion 132 of launching of backup pad 13, be connected with second portion 132 of launching and lower floor insole 12, and two sets of knee wall 111 support respectively in the both sides of first portion 131 of launching, the both sides of cavity unit 15 promptly, buffer wall 112 supports the rear side at first portion 131 of launching, the rear side of cavity unit 15 promptly.

In the sole structure, the first ejection part 131, the second ejection part 132 and the ejection support part 121 together form an ejection assembly with ejection assisting effect, when the user moves, the user steps on the sole to force the ejection assembly, and at the moment, the first ejection part 131 presses down towards the second ejection part 132 to compress an ejection space, so that the shock absorption and buffering effect is provided for the user's foot, and energy is stored; when the human foot is lifted, the first catapult 131 and the second catapult 132 restore to the shape under the action of elasticity, and release the stored energy, so as to provide upward and forward rebound and boosting effects for the human foot.

The ejection support part 121 located below the first ejection part 131 is made of high-elastic materials, can play a certain stable supporting role for the first ejection part 131, can play a spring-back effect similar to a spring by utilizing the high-elastic characteristic of the ejection support part, and the ejection support part 121 which is obliquely arranged is matched with the first ejection part 131 and the second ejection part 132 which are arranged at an included angle, can provide a good ejection assisting effect for feet of a human body in the forward and upward directions, and further improves the motion performance.

The cavity unit 15 located on one side of the ejection support part 121 can provide a larger deformation space for the first ejection part 131, especially provides a larger deformation space for the area of the first ejection part 131 close to the heel, on one hand, the shock absorption and buffering effect can be improved, and meanwhile, the ejection assembly can store more ejection energy to strengthen the ejection assisting effect. The cavity unit 15 is preferably a through structure shown in fig. 2, namely, a hollow structure is arranged at a position corresponding to the cavity unit 15 on the lower insole 12, the cavity unit 15 is communicated with a space below the lower insole 12 through the hollow structure, the arrangement mode is attractive in appearance, the deformation space of the first ejection part 131 can be further increased, the weight of the sole is reduced, and the motion performance of the sole is improved.

Of course, in some other embodiments, the cavity unit 15 may be configured to be non-penetrating, that is, the cavity may be formed below the first ejection part 131, and a certain effect of improving the ejection assisting force may be achieved.

Preferably, as shown in fig. 4, a groove 122 is further formed in the lower portion of the ejection support portion 121 of the lower midsole 12, and the thickness of the ejection support portion 121 can be reduced by the groove 122, so that the ejection support portion 121 can provide a larger deformation space for the first ejection portion 131, the elastic deformation of the ejection support portion 121 itself is enhanced, the ejection assisting effect of the first ejection portion 131 is better exerted, and the weight of the sole is reduced.

In the structural design of the ejection sole, the second ejection part 132 which is arranged in a semi-annular shape surrounds the periphery of the first ejection part 131 which is in a whole tongue shape, and the second ejection part 132 which is in a semi-annular shape is not easy to deform greatly in the transverse direction, so that the structure is more stable, and the support and resilience assistance can be provided at the inner side, the outer side and the rear side of the first ejection part 131 simultaneously, so that better motion stability is provided for the whole ejection structure, the ejection sole has excellent ejection assistance performance, and good stability, and the motion safety is ensured.

The support walls 111 arranged at the inner side and the outer side of the first ejection part 131 can further improve the stability of the heel part of the ejection shoe sole. The support wall 111 is made of high-elastic materials, and in the moving process, the ejection assembly can be guaranteed to have stability and support in the instant of falling to the ground, when the elastic deformation of the first ejection portion 131 is avoided, the inner side and the outer side of the heel portion are unstable, the movement damage of a runner is avoided, and meanwhile, the excellent elasticity of the high-elastic materials does not influence the ejection assembly to play the ejection assisting function integrally.

Preferably, be provided with grid hollow out construction on knee wall 111, grid hollow out construction can strengthen the holistic elastic deformation ability of knee wall 111, makes the subassembly of launching launch can be more abundant performance launch helping hand effect, and according to the motion level and the appearance custom of running that the person of dress is different, the quantity of fretwork and the size of fretwork can carry out the adjustment and the customization of adaptability to play the support and the stable effect of different intensity.

The buffering wall 112 arranged at the rear side of the first ejection part 131 can be made of a light high-elastic foaming material, can provide a damping effect and a buffering effect and can play a rebound effect, and the buffering wall 112 and the first ejection part 131 and the second ejection part 132 act together, so that a stronger ejection assisting effect can be provided for a runner accustomed to the falling of the heel. Of course, in some embodiments, only the support walls 111 are provided, and the buffer walls 112 are not provided, that is, a gap is formed between the portions of the inner and outer support walls 111 near the rear side of the sole, and this arrangement can provide a larger ejection deformation space for the ejection assembly, so that a stronger ejection assisting effect is achieved.

Further, as shown in fig. 5, the second catapult portion 132 of the support plate 13 preferably includes an inner side portion 133, an outer side portion 134 and a heel portion 135, the inner side portion 133 corresponding to an inner region of the heel of the human foot, the outer side portion 134 corresponding to an outer region of the heel of the human foot, and the heel portion 135 corresponding to a rear region of the heel of the human foot. The inner side 133 has greater rigidity, which can provide stronger support for the inner side of the heel of the foot of the human body, improve the stability and prevent the foot from being excessively everted; the hardness of the outer side part 134 is smaller than that of the inner side part 133, so that the shock absorption effect when the feet of the human body fall to the ground is enhanced, and the comfortable feeling is improved; the hardness of heel 135 is less than the hardness of lateral part 134, and the quality is lightest, can promote the holistic structural stability of second ejection portion 132 with the different medial part 133 of hardness and lateral part 134 interconnect, provides stable support, guarantees that the heel region has good travelling comfort simultaneously.

Preferably, as shown in fig. 6, two connecting portions 136 are provided on the supporting plate 13, and the two connecting portions 136 are respectively provided at the medial and lateral regions of the midfoot region of the supporting plate 13 and protrude from the lower surface of the supporting plate 13. The connecting portion 136 may be embedded in a corresponding connecting groove of the lower midsole 12, so that the supporting plate 13 is stably disposed on the lower midsole 12. Connecting portion 136 is preferably the protruding prismatic structure of bar, extends the setting along the extending direction at sufficient position in backup pad 13, when guaranteeing stable connection, can also improve backup pad 13 middle foot both sides region's bending rigidity, strengthens the regional antitorque nature of middle foot, promotes the regional stability of sole middle foot. By providing the rib-shaped connecting portion 136, the thickness of the support plate 13 can be reduced on the premise of ensuring the bending rigidity, and the weight of the support plate 13 is reduced.

Preferably, the supporting plate 13 includes a half sole portion, the half sole portion is spoon-shaped as a whole, and one end close to the toe is tilted upwards to form a pedaling and stretching structure, which is beneficial to forward rolling of the half sole of the human foot during exercise, and further improves the exercise performance.

Preferably, the included angle formed between the first catapult 131 and the second catapult 132 is preferably 10-40 °, and in this angle range, the effect of stretching the achilles tendon and muscle of the lower leg can be achieved to the maximum extent when the foot of the runner falls to the ground, so as to provide better pedaling and stretching force for the runner.

Preferably, as shown in fig. 1 to 3, the upper midsole 11 is further provided with a heel cup 113, and the heel cup 113 is a semi-annular boss structure, and surrounds the edge of the heel portion 135 of the upper midsole 11 and protrudes from the upper surface of the upper midsole 11. The heel cup 113 corresponds to the position of the calcaneus of the human foot and can be arranged closely to the periphery of the calcaneus so as to play a role in stably supporting and protecting when the ankle joint of the human foot falls to the ground.

Further, as shown in fig. 2 and fig. 4, the lower surface of the lower insole 12 is provided with an outsole 14, 135-position positions of the heel portion of the outsole 14 are provided with hollow structures, the hollow structures are arranged corresponding to the hollow structures on the lower insole 12, and the first ejecting portion 131 of the supporting plate 13 can be communicated with the external space below the ejecting sole through the hollow structures on the lower insole 12 and the hollow structures on the outsole 14.

Furthermore, the support wall 111, the buffer wall 112 and the heel cup 113 of the upper midsole 11 can be integrally formed with the body of the upper midsole 11; the ejection support part 121, the cavity unit 15 and the hollow structure of the lower midsole 12 can be integrally formed with the body of the lower midsole 12.

Similar to the first embodiment, the second embodiment of the ejection sole shown in fig. 9 to 15 of the present invention includes an upper midsole 21, a support plate 23, a lower midsole 22 and an outsole 24 which are overlapped up and down, the midfoot portion and the heel portion of the support plate 23 are divided into a first ejection part 231 and a second ejection part 232 through an arc-shaped dividing groove, and the first ejection part 231, the second ejection part 232 and an ejection support part 221 protruding from the lower midsole 22 form an ejection assembly together, so that the ejection sole has an ejection assisting effect; the heel position department of upper insole 21 is provided with knee wall 211 and buffer wall 212, and the last preferred net hollow out construction that is provided with of knee wall 211 to guarantee to launch the subassembly and have stability and support nature in the twinkling of an eye on falling to the ground.

As shown in fig. 11, the second catapult 232 of the support plate 23 preferably includes an inner side 233, an outer side 234 and a heel 235, the inner side 233 corresponding to an inner area of the heel of a human foot, the outer side 234 corresponding to an outer area of the heel of a human foot, and the heel 235 corresponding to a rear area of the heel of a human foot. The medial portion 233 has a greater stiffness than the lateral portion 234, and the heel portion 235 has a lesser stiffness than the lateral portion 234.

The difference from the first embodiment is that:

as shown in fig. 10 and 14, the lower midsole 22 is provided with a bent groove 223 at a front sole portion thereof, the bent groove 223 is provided corresponding to the front sole portion of the support plate 23, and when the support plate 23 is combined with the lower midsole 22 and the upper midsole 21, a space is formed between the bent groove 223 and the front sole portion of the support plate 23, and the front sole portion of the upper midsole 21 is attached to the front sole portion of the support plate 23. The bending groove 223 is beneficial to bending of the half sole part of the ejection sole in the pedaling and stretching actions, comfort of the half sole of the foot of a human body is improved, meanwhile, the bending groove 223 is matched with the supporting plate 23 and the upper midsole 21, deformation and resilience of the half sole part of the supporting plate 23 can be caused quickly in the pedaling and stretching actions, and movement performance of the half sole part is improved.

Preferably, as shown in fig. 14, the bending groove 223 penetrates through the inner side and the outer side of the lower midsole 22 in the transverse direction of the lower midsole 22, the middle portion of the bending groove 223 is wider, and the area near the inner side and the outer side is gradually reduced, so that the bending groove 223 is more beneficial to improving the bending effect of the half sole and improving the rebound speed of the support plate 23.

As shown in fig. 14 and 15, a lower ejection pillow 224 is further disposed at the outer side region of the lower midsole 22, the lower ejection pillow 224 corresponds to the little toe phalange portion of the foot of the human body, and the lower ejection pillow 224 is located at one end of the bending groove 223 close to the outer side of the lower midsole 22; as shown in fig. 13 and 15, the upper ejection pillow 214 is disposed at the half sole portion of the upper midsole 21, and the upper ejection pillow 214 is opposite to the lower ejection pillow 224; as shown in fig. 11 and 15, an ejection protrusion 237 is disposed at the front palm portion of the support plate 23, and the ejection protrusion 237 protrudes from the outer side edge of the support plate 23 and is located between the upper ejection pillow 214 and the lower ejection pillow 224. The inner wall of the upper ejection pillow 214 is inclined from top to bottom towards the inner side of the upper midsole 21 gradually in the vertical direction, so that an ejection space is formed between the upper ejection pillow 214 and the ejection protrusion 237; the inner wall of the lower ejection pillow 224 is gradually inclined toward the inner side of the lower midsole 22 from bottom to top in the vertical direction, so that an ejection space is formed between the lower ejection pillow 224 and the ejection protrusion 237.

In the process of movement, when the half sole part of the foot of a human body falls to the ground, the outer side area of the half sole usually lands at first, and the upper ejection pillow 214, the lower ejection pillow 224 and the ejection bulge 237 form an ejection structure at the outer side area of the half sole part of the ejection shoe sole, so that buffering and shock absorption can be provided when the half sole part falls to the ground, and ejection assistance can be provided when the half sole part is lifted.

The bending structure and the ejection structure of the half sole part of the ejection sole are matched with the ejection assembly of the heel part, so that the ejection sole has more excellent motion performance as a whole, and the bending structure and the ejection structure of the half sole part can be independently arranged in the sole.

Preferably, as shown in fig. 12, the second ejection portion 232 of the support plate 23 is bent upward and convex at the outer side region near the heel, and in such a manner, the heel of the foot of the human body generally falls to the ground first at the outer side region of the heel when falling to the ground, so that the heel of the second ejection portion 232 is bent upward and convex, which can enhance the supporting effect outside the heel, prevent the heel from turning outward excessively, and make the second ejection portion 232 exert a better rebound assisting effect. The central area of the first ejection part 231 is concavely curved in the longitudinal direction of the support plate 23, so that the middle foot and heel part of the human foot can be supported more stably.

Further, as shown in fig. 10, the upper midsole 21 is provided with a heel cup 213, and the heel cup 213 and the upper midsole 21 are separately disposed, so as to be closely attached to the calcaneus of the foot of the human body, and can stably support and protect the ankle joint when the heel falls to the ground. The heel cup 213 can be a support plate 23 made of a hard material such as epoxy, phenolic, thermoplastic polyurethane, polycarbonate, polymethyl methacrylate, nylon elastomer, polyether ester elastomer, polyketone, polyetheretherketone, polyetherketoneketone, polyethersulfone, polyphenylene sulfide, or ABS (acrylonitrile-butadiene-styrene copolymer), as well as composites of the above materials with inorganic fillers, long fibers, or short fibers.

In the third embodiment of the ejection shoe sole of the present invention shown in fig. 16 to 17, unlike the first and second embodiments, only the support walls 311 are provided in the heel portion of the upper midsole 31, and no buffer walls are provided, that is, a gap is formed between portions of the support walls 311 on both the inner and outer sides near the rear side of the shoe sole. This kind of setting up mode can provide bigger ejection deformation space for launching the subassembly, and then has stronger ejection helping hand effect, and this kind of mode that only utilizes knee wall 311 and ejection supporting part to launch the support can make the heel position of upper insole 31 be unsettled state, more does benefit to the runner that adopts preceding palm console mode running appearance to wear in the custom, promotes the motion performance.

The ejection sole in the third embodiment is preferably provided with the bending structure in the second embodiment at the half sole part; of course, the ejector shoe sole as in the first embodiment may not include the bending structure of the half sole portion.

Fig. 18 to 25 show a fourth embodiment of the ejector shoe sole of the present invention, wherein the ejector shoe sole includes an upper midsole 41 and a lower midsole 42 which are disposed in an up-down overlapping manner, a support plate 43 is disposed between the upper midsole 41 and the lower midsole 42, and an outsole 44 is disposed on a lower surface of the lower midsole 42.

As shown in fig. 19, 23 and 24, the support plate 43 includes a forefoot portion, a midfoot portion and a heel portion, the midfoot portion and the heel portion of the support plate 43 are provided with arc-shaped dividing grooves, and the dividing grooves divide the midfoot portion and the heel portion of the support plate 43 into a first ejection part 431 and a second ejection part 432.

The first ejection part 431 is tongue-shaped and is positioned in the middle area of the midfoot portion and the heel portion, and the second ejection part 432 is semi-annular and is positioned at the outer edge of the midfoot portion and the heel portion and surrounds the outer side of the first ejection part 431. One end of the first ejection part 431 close to the heel part is arranged to extend downwards in the vertical direction, forms an included angle with the second ejection part 432, and forms an ejection space with the second ejection part 432.

As shown in fig. 19 and 22, the upper midsole 41 includes a half sole portion, a midfoot portion, and a heel portion, and the ejection support 411 is disposed at a lower portion of the upper midsole 41, and the ejection support 411 protrudes from a lower surface of the upper midsole 41. The ejection support 411 is located at the transition area between the midfoot portion and the heel portion, and the protruding height thereof gradually increases in the direction from the midfoot portion to the heel portion of the upper midsole 41 to form a wedge-shaped inclined boss. A cavity unit 45 is further formed at one end of the ejection support 411 near the heel portion, and the cavity unit 45 corresponds to the heel portion of the upper midsole 41.

As shown in fig. 19 and 25, the lower midsole 42 includes a forefoot portion, a midfoot portion, and a heel portion, wherein the midfoot portion of the lower midsole 42 bulges upward in the vertical direction, the heel portion collapses downward in the vertical direction, and the midfoot portion transitions gently with the upper surface of the heel portion to form an inclined support slope. Simultaneously, lower floor insole 42's heel position narrows to the middle zone from the inside and outside both sides of ejecting the sole, and the terminal orientation midfoot direction at heel position shortens to the heel position that makes lower floor insole 42 is less than upper insole 41 in the width, and is shorter than upper insole 41's heel position in the extension length in the orientation towards human heel.

As shown in fig. 18 to 21, when the upper midsole 41, the lower midsole 42, and the support plate 43 together constitute the ejector sole, the support plate 43 is disposed in conformity with the upper surface of the lower midsole 42, and the upper midsole 41 is disposed in conformity with the upper surfaces of the support plate 43 and the lower midsole 42.

The half sole part of the lower middle sole 42 corresponds to the half sole part of the supporting plate 43 and is mutually attached; the middle foot part of the lower middle sole 42 is raised upwards to be attached and supported below the middle foot part of the supporting plate 43; the first catapult part 431 is matched with the support slope surface on the lower midsole 42 in the inclination angle and the bending shape, so that the support slope surface is closely attached to the lower surface of the first catapult part 431 and stably supported below the first catapult part 431.

The half sole part of the upper insole 41 corresponds to the half sole parts of the support plate 43 and the lower insole 42 and is mutually attached; the ejection supporting part 411 on the upper midsole 41 extends into an ejection space between the second ejection part 432 and the first ejection part 431 of the supporting plate 43 from top to bottom, is supported between the second ejection part 432 and the first ejection part 431, and is attached to the upper surface of the first ejection part 431; the cavity unit 45 located at one side of the ejection support 411 is formed between the first ejection part 431 and the second ejection part 432, and is disposed near heel portions of the first ejection part 431 and the second ejection part 432. The first ejection part 431, the second ejection part 432 and the ejection support part 411 together form an ejection assembly with an ejection assisting effect.

Different from the first and second embodiments, the ejecting shoe sole in the fourth embodiment has a suspension structure formed at the heel portion, so that the upper midsole 41 directly contacting with the foot of the human body is in a suspension state and is not directly contacting with the ground. The sole structure is more suitable for the runners accustomed to the floor type running posture of the half sole to wear, and is more beneficial to the runners adopting the floor type running posture of the half sole to play better sports performance on the basis of providing enough damping and resilience performance.

Specifically, as shown in fig. 18, unlike the first to third embodiments, the supporting plate 43 of the fourth embodiment is formed into a suspended ejection assembly at the heel portion of the ejection shoe sole by making the semi-annular second ejection part 432 at the edge close to the foot of the human body and making the narrow strip-shaped first ejection part 431 at the middle close to the ground. In the running process, although a runner who is used for the sole-standing running method can land on the ground by adopting the half sole and the middle foot, the foot landing mode of the runner is changed into a mixed landing mode along with the reduction of physical strength and muscle fatigue in the back half period of the marathon, namely, the heel slightly descends after the half sole lands on the ground, and the heel slightly transits to the front after the half sole lands on the ground. At this moment, launch the auxiliary structure of subassembly as support and resilience, the preceding palm of promotion that can be very big falls to ground runner's economy of running promotes the motion performance, simultaneously, because the heel position unsettled setting of the heel position of launching the sole, the heel position of lower floor insole 42 adopts the form that sets up that the narrowing shortens, makes the weight of whole sole alleviate by a wide margin.

Similar to the ejection assemblies in the first to third embodiments, when the foot of the human body steps on the sole to apply a force to the ejection assemblies, the second ejection part 432 is pressed downwards towards the first ejection part 431 to compress the ejection space, so that the shock absorption and buffering effects are provided for the foot of the human body, and energy is stored; when the human foot is lifted, the first ejection part 431 and the second ejection part 432 restore to the shape under the action of elasticity, and the stored energy is released, so that the upward and forward rebound and boosting effect is provided for the human foot. The ejection supporting part 411 between the first ejection part 431 and the second ejection part 432 is made of high-elastic materials, the spring-back effect similar to a spring can be achieved by utilizing the high-elastic characteristic of the ejection supporting part, the obliquely-arranged ejection supporting part 411 is matched with the first ejection part 431 and the second ejection part 432 which are arranged at an included angle, a good ejection assisting effect can be provided for the feet of a human body in the forward and upward directions, and the motion performance is improved.

Preferably, the half sole of the supporting plate 43 is spoon-shaped, and the end close to the toe is tilted upward to form a pedaling and stretching structure, which is beneficial to rolling the half sole of the human foot forward during exercise, thereby improving the exercise performance.

Preferably, as shown in fig. 18, 19 and 23, in the vertical direction, the height of the outer edge of the second ejection part 432 of the support plate 43 is higher than the height of the inner edge, so that the second ejection part 432 is inclined in a funnel shape as a whole, an inclined surface is correspondingly formed on the lower surface of the upper midsole 41, and the second ejection part 432 is attached to the inclined surface to support the heel portion of the upper midsole 41. With the adoption of the arrangement form, the supporting force and the resilience force of the second ejection part 432 can be concentrated towards the central area of the heel part of the ejection sole, namely, when the heel part of a human body treads the ejection sole, no matter the direction of the force is deviated to the inner side or the outer side of the heel, the second ejection part 432 can guide the heel part of the human body to the central area of the second ejection part 432, the stability of the heel is improved, and the heel is pushed forwards and upwards at the same time.

One end of the first ejection part 431 close to the heel part is provided with a platform, and compared with the area of the first ejection part 431 close to the midfoot part, the slope of the platform approaches to the level, so that the collision area between the platform and the ground is increased, and the stability of the ejection assembly during deformation is improved. Meanwhile, as shown in fig. 20 and 21, the platform extends to the outside of the ejection support part 411 of the upper midsole 41, and forms a cavity unit 45 together with the heel parts of the upper midsole 41 and the second ejection part 432, so that the heel parts of the upper midsole 41 and the second ejection part 432 are suspended in the air, and a runner in a half-sole running posture can play a better exercise performance.

Preferably, the second ejection portion 432 of the support plate 43 includes an inner side corresponding to an inner area of the heel of the human foot, an outer side corresponding to an outer area of the heel of the human foot, and a heel corresponding to a rear area of the heel of the human foot. The hardness of the inner side part is higher, so that more powerful support can be provided for the inner side of the heel of the foot of the human body, the stability is improved, and the foot is prevented from being excessively everted; the hardness of the outer side part is less than that of the inner side part, so that the shock absorption effect when the feet of the human body fall to the ground is enhanced, and the comfortable sensation is improved; the hardness of heel is less than the hardness of outside portion, and the quality is lightest, can promote the holistic structural stability of second ejection portion 432 with the different inside portion of hardness and outside portion interconnect, provides stable support, guarantees simultaneously that the heel region has good travelling comfort.

Preferably, as shown in fig. 18 to 21, the upper midsole 41 is further provided with a heel cup 413, and the heel cup 413 surrounds the edge of the heel portion of the upper midsole 41 and protrudes from the upper surface of the upper midsole 41. The heel cup 413 corresponds to the position of the calcaneus of the human foot and can be arranged to be tightly attached to the periphery of the calcaneus so as to play a role in stably supporting and protecting when the ankle joint of the human foot falls to the ground. Preferably, the ejection support portion 411 and the heel cup 413 of the upper midsole 41 are integrally formed with the body of the upper midsole 41.

The ejection sole in the fourth embodiment is preferably provided with the bending structure in the second embodiment at the half sole part; of course, the ejector shoe sole as in the first embodiment may not include the bending structure of the half sole portion.

In the various embodiments of the ejector shoe sole described above, the upper midsole and/or the lower midsole may be made of one, two or more materials selected from nylon elastomers, thermoplastic polyurethanes (including aromatic type and aliphatic type), cast polyurethanes, hybrid polyurethanes, thermoplastic polyether ester elastomers, ethylene-octene copolymers, ethylene-octene block copolymers, ethylene-vinyl acetate copolymers, styrene-butadiene-styrene block copolymers, hydrogenated styrene-butadiene-styrene block copolymers, polyisobutylene, high styrene rubber, brominated butyl rubber, butadiene rubber, silicone rubber, ethylene propylene diene monomer rubber, natural rubber, isoprene rubber, nitrile rubber, and chloroprene rubber, by supercritical foaming or chemical foaming. Preferably, the upper midsole and/or the lower midsole are/is made of supercritical bead foaming materials (one of nylon elastomers, thermoplastic polyurethane and polyether ester elastomers), the materials are light, soft and elastic, and can provide excellent shock absorption and rebound effects for the feet of the human body during running.

The supporting plate can be made of hard materials such as epoxy resin, phenolic resin, thermoplastic polyurethane, polycarbonate, polymethyl methacrylate, nylon elastomer, polyether ester elastomer, polyketone, polyether ether ketone, polyether ketone, polyether sulfone, polyphenylene sulfide or ABS (acrylonitrile-butadiene-styrene copolymer), and composite materials formed by the above materials and inorganic filler, long fiber or short fiber. Preferably, the support plate is a composite material composed of epoxy resin and carbon fiber.

The outsole can be made of casting polyurethane material, or can be made of one, two or more than two of nylon elastomer, thermoplastic polyurethane (including aromatic type and aliphatic type), casting polyurethane, mixing polyurethane, thermoplastic polyether ester elastomer, ethylene-octene copolymer, ethylene-octene block copolymer, ethylene-vinyl acetate copolymer, styrene-butadiene-styrene block copolymer, hydrogenated styrene-butadiene-styrene block copolymer, high styrene rubber, brominated butyl rubber, butadiene-styrene rubber, styrene-butadiene rubber, silicon rubber, ethylene-propylene-diene monomer rubber, natural rubber, isoprene rubber, nitrile rubber and chloroprene rubber.

The invention also discloses a shoe which comprises any one of the ejection soles.

In order to verify the performance of the ejection shoe sole and the shoe comprising the ejection shoe sole, the racing running shoe shown in fig. 26 is selected as a comparison test sample shoe to be compared with the ejection shoe sole and the shoe of the invention, and the comparison test sample shoe is a conventional sole structure with a plane support plate embedded between an upper midsole and a lower midsole. The following is a comparison of performance of the finished shoe:

TABLE 1 comparison of impact resilience test of examples and comparative examples

In the above table, the peak value of acceleration represents the shock absorbability, and a smaller value indicates better shock absorbability; energy regression represents resilience, with higher values indicating better resilience performance. As can be seen from the data in table 1, the examples have a different degree of significant improvement in both shock absorption and rebound properties compared to the comparative examples.

The ejection sole and the shoes can provide good ejection assistance for feet of a human body, have excellent resilience and shock absorption, can obviously improve the sports performance of a wearer, have good stability and support performance of the heel part of the ejection sole, can avoid sports injury of the wearer, have good bending performance of the half sole part of the ejection sole, can improve the wearing comfort of the sole, are convenient for the support plate to rebound quickly, and simultaneously greatly reduce the weight of the sole.

The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention. The individual features described in the above embodiments may be combined in any suitable manner without contradiction. In order to avoid unnecessary repetition, the embodiments of the present invention do not describe every possible combination.

If the present invention relates to directional indications (such as up, down, left, right, front, back \8230;), the directional indications are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are correspondingly changed.

Claims (20)

1. An ejection shoe sole is characterized by comprising an upper insole and a lower insole which are overlapped up and down, wherein a support plate is arranged between the upper insole and the lower insole, a dividing groove is formed in the support plate, the middle foot part and the heel part of the support plate are divided into a first ejection part and a second ejection part by the dividing groove, and the first ejection part and the second ejection part are arranged at an included angle; be provided with on upper insole or the lower floor insole and launch the supporting part, launch the supporting part and support and launch between the portion at first ejection portion and second, launch the supporting part and be close to one side at sole heel position and be formed with the cavity unit, the cavity unit is corresponding with the regional position that the heel position is close to in first ejection portion to provide the deformation space.

2. The ejector shoe sole of claim 1, wherein the dividing groove is arcuate, the arcuate dividing groove dividing the first ejector into a tongue shape and the second ejector into a semi-annular shape, the first ejector being located in a medial region of the medial foot portion and the heel portion of the support plate, and the second ejector plate being located at an outer edge of the medial foot portion and the heel portion of the support plate and being disposed around an outer side of the first ejector.

3. The ejection shoe sole of claim 2, wherein an end of the first ejection portion adjacent the heel portion is angled upwardly in a vertical direction to form an angle with the second ejection portion.

4. The ejection shoe sole of claim 2, wherein the first ejection member extends at an end adjacent the heel portion that is inclined downwardly in a vertical direction to form an angle with the second ejection member.

5. The ejection shoe sole of claim 2, wherein the second ejection portion of the support plate includes a medial portion corresponding to a medial side of a human heel, a lateral portion corresponding to a lateral side of the human heel, and a heel portion corresponding to a posterior side of the human heel, the medial portion having a greater stiffness than the lateral portion, the heel portion having a lesser stiffness than the lateral portion.

6. The ejection shoe sole of claim 3, wherein the ejection support is disposed at a middle foot portion of the lower midsole and protrudes from an upper surface of the lower midsole, the ejection support extends from bottom to top between the first ejection portion and the second ejection portion of the support plate, a hollow structure is disposed at a position of a heel portion of the lower midsole corresponding to the cavity unit, and the cavity unit is communicated with a space below the lower midsole through the hollow structure.

7. The ejection shoe sole of claim 6, wherein the lower portion of the lower midsole ejection support is formed with a recess that reduces the thickness of the ejection support; be provided with the undersole on the lower surface in lower floor's insole, the heel position department of undersole is provided with the fretwork, and the fretwork corresponds the setting with the hollow out construction position on the insole of lower floor, and the first portion of launching of backup pad is linked together through the hollow out construction on the insole of lower floor and the fretwork on the undersole and the space below the sole of launching.

8. The ejector shoe sole of claim 3, wherein support walls are provided at the heel portion of the upper midsole, the support walls being provided at both sides of the cavity cell.

9. The ejection shoe of claim 8, wherein the support wall is provided with grid cutouts to enhance the elastic deformability of the support wall.

10. The ejection shoe sole of claim 8, wherein a cushioning wall is provided at the heel portion of the upper midsole, the cushioning wall being provided between the two support walls at the rear side of the cavity cell.

11. The ejection shoe sole of claim 3, wherein the second ejection portion of the support plate curves and bulges upwardly at an area adjacent the lateral side of the heel region; the central area of the first ejection part of the support plate is arc-shaped concave.

12. The ejection shoe sole of claim 4, wherein the ejection support is disposed below the upper midsole and protrudes above a lower surface of the upper midsole, the ejection support extending from top to bottom between the second ejection portion and the first ejection portion of the support plate.

13. The ejection shoe sole of claim 12, wherein the cavity element is formed between the first ejection member and the second ejection member and is disposed proximate the heel portions of the first ejection member and the second ejection member such that a suspension structure is formed at the heel portion of the ejection shoe sole.

14. The ejector shoe sole of claim 13, wherein the heel portion of the lower midsole narrows from inner and outer sides of the ejector shoe sole toward the medial region, and the distal end of the heel portion of the lower midsole shortens in a direction toward the midfoot, such that the width of the heel portion of the lower midsole is less than the width of the heel portion of the upper midsole, and extends less than the heel portion of the upper midsole in a direction toward the heel of the person.

15. The ejection shoe sole of claim 12, wherein the support plate has a second ejection portion with an outer edge that is higher in height than an inner edge, such that the second ejection portion is disposed at an incline; the first ejection portion of backup pad is formed with the platform near the one end at heel position, and the platform extends to the outside of the ejection supporting part of upper insole.

16. The ejection shoe of any one of claims 1 to 15, wherein the lower midsole is provided at a half sole portion thereof with a bending groove, the bending groove and the support plate forming a space therebetween, and a width of a central portion of the bending groove is greater than widths of regions of the bending groove near inner and outer sides of the lower midsole.

17. The ejection shoe sole of claim 16, wherein the lower ejection pillow is disposed on the outer side of the lower midsole, the upper ejection pillow is disposed on the front sole portion of the upper midsole, the ejection protrusion is disposed on the front sole portion of the support plate, the upper ejection pillow is opposite to the lower ejection pillow, the ejection protrusion is disposed between the upper ejection pillow and the lower ejection pillow, and the ejection protrusions respectively form ejection spaces with the upper ejection pillow and the lower ejection pillow.

18. The ejector shoe sole of claim 1, wherein the angle formed between the first ejector and the second ejector is between 10 ° and 40 °.

19. The ejection shoe sole of claim 1, wherein the support plate has connecting portions disposed on the support plate at medial and lateral regions of the midfoot portion of the support plate and projecting from the lower surface of the support plate, the connecting portions extending in a direction of extension of the midfoot portion of the support plate.

20. A shoe comprising the ejector sole of any one of claims 1 to 19.

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