Running shoe with physically foamed spherical sole

Abstract

This invention relates to the field of running shoe technology and discloses a running shoe with a physically foamed spherical sole, including a sole, midsole, upper, tongue, laces, and heel. The outer wall of the heel is provided with a tension adjustment component, which includes a fixing sleeve. One side of the fixing sleeve is fixedly connected to the outer wall of the heel. A limiting ring is fixedly connected inside the fixing sleeve, and a threaded cap is threadedly connected to the outer wall of the limiting ring. Through holes are provided on both sides of the fixing sleeve. Fixing ears are symmetrically fixedly connected to the outer wall of the heel, and a rope is disposed within each of the two fixing ears. By adjusting the tightness of the heel wrap, the heel fits snugly against the foot, improving the fit between the running shoe and the foot, enhancing heel stability, reducing the risk of ankle sprains, and adapting to different foot shapes and heel sizes, effectively avoiding foot slippage or localized pressure discomfort during exercise.

Description

Technical Field

[0001] This invention relates to the field of running shoe technology, specifically to a running shoe with a physically foamed spherical sole. Background Technology

[0002] As professional sports equipment, running shoes directly affect the sports experience and sports protection effect through their fit, cushioning, and adaptability.

[0003] Most existing running shoes have a fixed heel support design, which can only be adjusted by the laces as a whole. They cannot make precise adjustments to the tightness of the heel area, so they cannot adapt to the heel size of different foot shapes. This can easily lead to foot slippage and local pressure discomfort during exercise, poor heel stability, and a higher risk of ankle sprains. Summary of the Invention

[0004] To address the shortcomings of existing technologies, this invention provides a running shoe with a physically foamed spherical sole. This solves the problem that existing running shoes mostly have a fixed design for the tightness of the heel wrap, which can only rely on the shoelaces to adjust the tightness of the upper as a whole. They cannot make precise adjustments to the tightness of the heel area, thus failing to adapt to different foot shapes and heel sizes. This can easily lead to foot slippage during exercise, localized pressure discomfort, poor heel stability, and a higher risk of ankle sprains.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a running shoe with a physically foamed spherical sole, comprising a sole, midsole, upper, tongue, laces, and heel. The outer wall of the heel is provided with a tension adjustment component, which includes a fixing sleeve. One side of the fixing sleeve is fixedly connected to the outer wall of the heel. A limiting ring is fixedly connected inside the fixing sleeve, and a threaded cap is threadedly connected to the outer wall of the limiting ring. Through holes are provided on both sides of the fixing sleeve. Fixing ears are symmetrically fixedly connected to the outer wall of the heel, and ropes are disposed within the two fixing ears, with both ends of the ropes passing through them. Corresponding through holes are fixedly connected to both sides of the threaded cap. The outer wall of the threaded cap is evenly provided with grooves. A magnetic strip is provided in the groove of the threaded cap. A rod hole is provided at the top of the fixing sleeve. A sliding rod is slidably connected in the rod hole of the fixing sleeve. A magnetic block is fixedly connected to the bottom end of the sliding rod. A rod cap is fixedly connected to the top end of the sliding rod. A conical airbag is provided inside the fixing sleeve. A connecting pipe is fixedly connected to one side of the conical airbag. The end of the connecting pipe away from the conical airbag is fixedly connected to the side of the micro airbag. A micro airbag is provided inside the midsole. A height adjustment component is provided inside the midsole.

[0006] Preferably, the bottom of the rod cap is fixedly connected with an annular hook and loop fastener, and the outer wall of the fixing sleeve is provided with an annular hook and loop fastener.

[0007] Preferably, the height adjustment component includes a mounting groove, the inside of the insole has a mounting groove, a fixing rod is uniformly fixedly connected in the mounting groove of the insole, a rotating ring is rotatably connected to the outer wall of the fixing rod, and an inclined rod is fixedly connected to the bottom of the rotating ring.

[0008] Preferably, a fixing head is installed at the bottom end of the diagonal rod, and rubber strips are glued and fixed to the bottom of the plurality of fixing heads.

[0009] Preferably, one end of the rubber strip is provided with positioning holes evenly distributed, and the outer wall of the insole is fixedly connected with a positioning buckle.

[0010] Preferably, the positioning hole of the rubber strip is sleeved on the outer wall of the positioning buckle, and the positioning buckle and the positioning hole are a mating structure. Inclined elastic straps are evenly installed on both sides of the mounting groove of the midsole, and the inclined elastic straps are used for pulling and limiting the upper and lower groove walls of the mounting groove.

[0011] Preferably, the sole is made using a supercritical physical foaming process, which has both soft and elastic properties and can provide continuous energy feedback. The side of the sole is integrally formed with a spherical cushioning body, and the spherical cushioning body and the sole are an integral structure.

[0012] Preferably, the bottom of the sole is evenly provided with anti-slip patterns, the sole is fixedly connected to the midsole, the upper is sewn to the top of the midsole, the tongue is located in the middle of the inner side of the upper, and the shoelaces are threaded through the eyelets of the upper.

[0013] Working principle: When adjusting the tightness of the heel wrap, pull the slide bar upward to separate the magnetic block at the bottom of the slide bar from the magnetic strip inside the groove of the threaded cap, releasing the threaded cap from its fixation. Rotate the threaded cap, and because the threaded cap is threadedly connected to the limiting ring inside the fixing sleeve, the threaded cap will move axially along the limiting ring during rotation, thereby pulling the ropes fixed on both sides. After the ropes are stretched, they will tighten the V-shaped part of the heel, thus adjusting the tightness of the heel wrap.

[0014] Once the tightness of the heel wrap is adjusted to the correct position, the slide bar moves down, and the magnetic block at the bottom of the slide bar moves down to contact the magnetic strip in the groove. The magnetic block and the magnetic strip attract each other. At this time, the loop fastener at the bottom of the bar cap fits into the loop fastener on the outer wall of the fixing sleeve, thus completing the double fixation of the threaded cap position.

[0015] During the process of adjusting the tightness of the heel by rotating the threaded cap, the axially moving threaded cap will compress the conical air bladder inside the fixing sleeve. After being compressed, the gas inside the conical air bladder flows into the micro air bladder inside the midsole through the connecting pipe, thereby realizing the inflation operation of the micro air bladder.

[0016] When it is necessary to thicken the heel pad, first pull the positioning hole at the end of the rubber strip away from the positioning buckle to release the fixation of the rubber strip. Then pull the end of the rubber strip so that one end of the rubber strip with multiple fixing heads is gradually pulled out of the mounting groove. The originally inclined bar will swing around the rotating ring on the fixing bar to a vertical state.

[0017] After adjusting the diagonal bar to a vertical position, re-fit the positioning hole corresponding to the end of the rubber strip onto the outer wall of the positioning buckle, so that the positioning buckle is re-connected to the end of the rubber strip, thus fixing the position of the rubber strip and the diagonal bar. At the same time, the inclined elastic straps on both sides of the midsole mounting groove will pull and limit the upper and lower groove walls of the mounting groove, ensuring the stability of the overall structure after height adjustment.

[0018] This invention provides a running shoe with a physically foamed spherical sole. It has the following beneficial effects:

[0019] 1. This invention separates the magnetic block from the magnetic strip by pulling up the sliding rod, releasing the threaded cap from its fixation. Rotating the threaded cap causes it to move axially along the limiting ring and pull the rope. The rope, under tension, tightens the V-shaped area of ​​the heel, adjusting the tightness of the heel wrap. Once the tightness is adjusted, lowering the sliding rod causes the magnetic block and magnetic strip to attract each other, simultaneously allowing the looped surface of the loop fastener to adhere to the adhesive surface, thus doubly securing the threaded cap. By adjusting the tightness of the heel wrap, the heel fits snugly against the foot, improving the fit between the running shoe and the foot, enhancing heel stability, reducing the risk of ankle sprains, and adapting to different foot shapes and heel sizes, effectively preventing foot slippage or discomfort due to localized pressure during exercise.

[0020] 2. In this invention, during the process of adjusting the tightness by rotating the threaded cap, the axially moving threaded cap will compress the conical airbag inside the fixing sleeve. After being compressed, the gas inside the conical airbag flows into the micro airbag inside the midsole through the connecting pipe, realizing the inflation operation of the micro airbag. The inflated micro airbag can improve the cushioning performance of the midsole, reduce the impact force of the ground on the feet during exercise, provide better protection for joints such as ankles and knees, and reduce the risk of sports injuries.

[0021] 3. In this invention, when it is necessary to thicken the heel pad, first pull the positioning hole at the end of the rubber strip away from the positioning buckle to release the fixation of the rubber strip. Then, pull the end of the rubber strip so that one end of the rubber strip with multiple fixing heads is gradually pulled out of the mounting groove. The originally inclined rod swings to a vertical position. Then, re-fit the positioning hole corresponding to the end of the rubber strip onto the outer wall of the positioning buckle to complete the fixation of the rubber strip and the inclined rod. By thickening the heel pad, the deformation space upon landing can be increased, absorbing more ground reaction force and significantly reducing the impact on the heel, calcaneus, and ankle. It is suitable for temporary pain relief for people with heel pain, early stage of plantar fasciitis, and calcaneal spurs. At the same time, raising the heel will naturally place the ankle in a slightly plantarflexed position, reducing the stretching tension of the Achilles tendon and calf muscles, which has a certain soothing effect on people with Achilles tendinitis, calf cramps, and short and tight Achilles tendons. Attached Figure Description

[0022] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0023] Figure 2 This is a schematic diagram of the exploded structure of the present invention;

[0024] Figure 3 This is a schematic diagram of a partial structure of the heel of the present invention;

[0025] Figure 4 This is a schematic diagram of a partial structure of the midsole of the present invention;

[0026] Figure 5 This is a partial structural diagram of the inclined elastic strap of the present invention;

[0027] Figure 6 This is a partial structural diagram of the threaded cap of the present invention;

[0028] Figure 7 for Figure 3 A magnified structural diagram at point A;

[0029] Figure 8 for Figure 4 A magnified structural diagram at point B;

[0030] Figure 9 for Figure 6 A magnified structural diagram at point C.

[0031] The components include: 1. Sole; 2. Midsole; 3. Upper; 4. Tongue; 5. Lace; 6. Heel; 7. Tension adjustment assembly; 701. Fixing sleeve; 702. Limiting ring; 703. Threaded cap; 704. Groove; 705. Magnetic strip; 706. Sliding rod; 707. Magnetic block; 708. Rod cap; 709. Circular Velcro adhesive surface; 710. Circular Velcro rough surface; 711. Through hole; 712. Fixing ear; 713. Rope; 714. Conical airbag; 715. Connecting pipe; 716. Miniature airbag; 8. Height adjustment assembly; 801. Fixing head; 802. Diagonal rod; 803. Rotating ring; 804. Fixing rod; 805. Rubber strip; 806. Positioning hole; 807. Positioning buckle; 808. Inclined elastic strap; 809. Mounting groove. Detailed Implementation

[0032] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0033] Please see the appendix Figure 1 -Appendix Figure 4 Appendix Figure 6 -Appendix Figure 9This invention provides a running shoe with a physically foamed spherical sole, including a sole 1, a midsole 2, an upper 3, a tongue 4, laces 5, and a heel 6. The outer wall of the heel 6 is provided with a tension adjustment component 7, which includes a fixing sleeve 701. One side of the fixing sleeve 701 is fixedly connected to the outer wall of the heel 6. A limiting ring 702 is fixedly connected inside the fixing sleeve 701. A threaded cap 703 is threadedly connected to the outer wall of the limiting ring 702. Through holes 711 are provided on both sides of the fixing sleeve 701. Fixing ears 712 are symmetrically fixedly connected to the outer wall of the heel 6. A rope 713 is disposed within each of the two fixing ears 712. The two ends of the rope 713 pass through the corresponding through holes 711 and are fixedly connected to both sides of the threaded cap 703. Grooves 7 are evenly provided on the outer wall of the threaded cap 703. 04. A magnetic strip 705 is provided in the groove 704 of the threaded cap 703. A rod hole is opened at the top of the fixing sleeve 701. A slide rod 706 is slidably connected in the rod hole of the fixing sleeve 701. A magnetic block 707 is fixedly connected to the bottom end of the slide rod 706. A rod cap 708 is fixedly connected to the top end of the slide rod 706. An annular hook and loop fastener 710 is fixedly connected to the bottom of the rod cap 708. An annular hook and loop fastener 709 is provided on the outer wall of the fixing sleeve 701. A conical airbag 714 is provided inside the fixing sleeve 701. A connecting pipe 715 is fixedly connected to one side of the conical airbag 714. The end of the connecting pipe 715 away from the conical airbag 714 is fixedly connected to the side of the micro airbag 716. A micro airbag 716 is provided inside the midsole 2. A height adjustment component 8 is provided inside the midsole 2.

[0034] Specifically, when adjusting the tightness of the heel wrap, pull up the rod cap 708 and the slide rod 706 to separate the magnetic block 707 at the bottom of the slide rod 706 from the magnetic strip 705 inside the groove 704, releasing the fixation of the threaded cap 703. Rotate the threaded cap 703. Because the threaded cap 703 is threadedly connected to the limiting ring 702 inside the fixing sleeve 701, the threaded cap 703 will move axially along the limiting ring 702 during rotation, thereby pulling the ropes 713 fixed on both sides. After being stretched, the ropes 713 will tighten the V-shaped part of the heel 6. This allows for adjustment of the tightness of the heel 6 wrap. When the tightness of the heel 6 wrap is adjusted to the correct position, the slide bar 706 moves down, and the magnetic block 707 at the bottom of the slide bar 706 moves down to contact the magnetic strip 705 in the groove 704. The magnetic block 707 and the magnetic strip 705 attract each other. At this time, the annular hook and loop fastener 710 at the bottom of the bar cap 708 fits with the annular hook and loop fastener 709 on the outer wall of the fixing sleeve 701, thus doubly fixing the position of the threaded cap 703 and ensuring that the threaded cap 703 is always in a fixed position and will not loosen due to vibration or pulling during movement.

[0035] By adjusting the tightness of the heel 6, the heel 6 fits snugly against the foot, improving the fit between the running shoe and the foot, enhancing heel stability, reducing the risk of ankle sprains, and accommodating heel sizes for different foot shapes, effectively preventing foot slippage or discomfort due to localized pressure during exercise.

[0036] During the process of adjusting the tightness by rotating the threaded cap 703, the axially moving threaded cap 703 simultaneously compresses the conical airbag 714 inside the fixing sleeve 701. After being compressed, the gas inside the conical airbag 714 flows into the micro airbag 716 inside the midsole 2 through the connecting pipe 715, realizing the inflation operation of the micro airbag 716. The inflated micro airbag 716 can improve the cushioning performance of the midsole 2, reduce the impact force of the ground on the feet during exercise, provide better protection for joints such as ankles and knees, and reduce the risk of sports injuries.

[0037] Please see the appendix Figure 4 -Appendix Figure 5 The height adjustment component 8 includes a mounting groove 809. The mounting groove 809 is provided inside the midsole 2. Fixing rods 804 are uniformly fixedly connected in the mounting groove 809 of the midsole 2. A rotating ring 803 is rotatably connected to the outer wall of the fixing rod 804. A diagonal rod 802 is fixedly connected to the bottom of the rotating ring 803. A fixing head 801 is installed at the bottom of the diagonal rod 802. Rubber strips 805 are glued and fixed to the bottom of multiple fixing heads 801. Positioning holes 806 are uniformly provided at one end of the rubber strips 805. A positioning buckle 807 is fixedly connected to the outer wall of the midsole 2. The positioning holes 806 of the rubber strips 805 are sleeved on the outer wall of the positioning buckle 807. The positioning buckle 807 and the positioning holes 806 are a mating structure. Inclined elastic straps 808 are uniformly installed on both sides of the mounting groove 809 of the midsole 2. The inclined elastic straps 808 are used for pulling and limiting the upper and lower walls of the mounting groove 809.

[0038] Specifically, when it is necessary to thicken the heel pad, first pull the positioning hole 806 at the end of the rubber strip 805 away from the positioning buckle 807 to release the fixation of the rubber strip 805. Then pull the end of the rubber strip 805 so that one end of the rubber strip 805 with multiple fixing heads 801 attached is gradually pulled out from the mounting groove 809. The originally inclined rod 802 will swing around the rotating ring 803 on the fixing rod 804 to a vertical state.

[0039] After the diagonal bar 802 is adjusted to a vertical position, the positioning hole 806 corresponding to the tail of the rubber strip 805 is re-fitted onto the outer wall of the positioning buckle 807, so that the positioning buckle 807 is re-connected to the tail end of the rubber strip 805, thus fixing the position of the rubber strip 805 and the diagonal bar 802. At the same time, the inclined elastic straps 808 on both sides of the mounting groove 809 of the midsole 2 will pull and limit the upper and lower groove walls of the mounting groove 809 to ensure the stability of the overall structure after the height is adjusted.

[0040] By thickening the heel pad, the deformation space upon landing is increased, absorbing more ground reaction force and significantly reducing the impact on the heel, calcaneus, and ankle. It is suitable for temporary pain relief for people with heel pain, early-stage plantar fasciitis, and calcaneal spurs. At the same time, raising the heel will naturally place the ankle in a slightly plantar flexed position, reducing the stretching tension on the Achilles tendon and calf muscles, which has a certain soothing effect on people with Achilles tendinitis, calf cramps, and short or tight Achilles tendons.

[0041] Please see the appendix Figure 1 The sole 1 is made using the Taiji supercritical physical foaming process, which has the dual characteristics of softness and elasticity and can provide continuous energy feedback. The side of the sole 1 has a spherical cushioning body molded in one piece, and the spherical cushioning body and the sole 1 are an integral structure.

[0042] Specifically, the sole 1 is made using the Taiji supercritical physical foaming process, giving it excellent soft and elastic dual characteristics. Its softness can adapt to the bending and landing deformation of the foot during running, effectively cushioning the ground reaction force and reducing impact damage to the heel and knee; its high elasticity can achieve strong and continuous energy return, quickly rebounding during the push-off phase, improving running propulsion, saving exercise energy, and adapting to the needs of different exercise intensities such as daily jogging and professional training.

[0043] The one-piece spherical cushioning body on the side of the sole 1 utilizes the multi-directional force characteristics of the spherical structure to disperse the impact force when landing during running from multiple dimensions such as front, back, left, and right, breaking through the limitation of traditional flat sole 1 which can only provide vertical cushioning; at the same time, the spherical cushioning body is designed to fit the side of the sole 1, which can effectively bear the lateral force when changing direction and moving laterally during running, enhance the lateral support of the foot, and further reduce the risk of spraining the ankle.

[0044] Please see the appendix Figure 1 -Appendix Figure 3 The bottom of the sole 1 is evenly provided with anti-slip patterns. The sole 1 is fixedly connected to the midsole 2. The upper 3 is sewn to the top of the midsole 2. The tongue 4 is located in the middle of the inner side of the upper 3. The shoelaces 5 are threaded through the eyelets of the upper 3.

[0045] Specifically, the anti-slip treads evenly distributed on the bottom of the sole 1 can increase the contact friction between the sole 1 and the ground. Whether it is a plastic track, outdoor cement ground, asphalt road or other common sports venues, it can improve the grip of the running shoes and effectively avoid slipping and lateral slipping problems caused by smooth ground and uneven foot force during running. It provides stable ground adhesion for runners' foot force, change of direction and braking, which is the basic guarantee for sports safety.

[0046] The sole 1 and midsole 2 are fixedly connected, forming a whole force structure at the bottom of the running shoe. This can evenly distribute the reaction force of the ground on the foot during running, as well as the runner's own weight pressure, and avoid local collapse and damage caused by uneven force distribution at the bottom due to loose connection.

[0047] The upper 3 and the midsole 2 are connected by stitching, which is firm and fits well. This allows the upper 3 and the midsole 2 to form a stable shoe body outline, and it is not easy for the upper 3 to become loose or separate from the midsole 2.

[0048] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A physical foaming spherical sole running shoe, comprising a sole (1), a midsole (2), an upper (3), a tongue (4), a shoelace (5) and a rear heel (6), characterized in that: The outer wall of the heel (6) is provided with a tension adjustment component (7). The tension adjustment component (7) includes a fixing sleeve (701). One side of the fixing sleeve (701) is fixedly connected to the outer wall of the heel (6). A limit ring (702) is fixedly connected inside the fixing sleeve (701). A threaded cap (703) is threadedly connected to the outer wall of the limit ring (702). Through holes (711) are provided on both sides of the fixing sleeve (701). Fixing ears (712) are symmetrically fixedly connected to the outer wall of the heel (6). A rope (713) is provided in the two fixing ears (712). The two ends of the rope (713) pass through the corresponding through holes (711) and are fixedly connected to the two sides of the threaded cap (703). Grooves (704) are evenly provided on the outer wall of the threaded cap (703). A magnetic strip (705) is provided in the groove (704) of the threaded cap (703). A rod hole is provided at the top of the fixed sleeve (701). A slide rod (706) is slidably connected in the rod hole of the fixed sleeve (701). A magnetic block (707) is fixedly connected at the bottom end of the slide rod (706). A rod cap (708) is fixedly connected at the top end of the slide rod (706). A conical airbag (714) is provided inside the fixed sleeve (701). A connecting pipe (715) is fixedly connected to one side of the conical airbag (714). The end of the connecting pipe (715) away from the conical airbag (714) is fixedly connected to one side of the micro airbag (716). A micro airbag (716) is provided inside the midsole (2). A height adjustment component (8) is provided inside the midsole (2). The height adjustment component (8) includes a mounting groove (809). The mounting groove (809) is provided inside the midsole (2). Fixing rods (804) are uniformly fixedly connected in the mounting groove (809) of the midsole (2). A rotating ring (803) is rotatably connected to the outer wall of the fixing rod (804). A diagonal rod (802) is fixedly connected to the bottom of the rotating ring (803). A fixing head (801) is installed at the bottom end of the diagonal rod (802). Rubber strips (805) are glued and fixed to the bottom of multiple fixing heads (801). The rubber strip (805) has a uniformly provided positioning hole (806) at one end. The outer wall of the insole (2) is fixedly connected with a positioning buckle (807). The positioning hole (806) of the rubber strip (805) is sleeved on the outer wall of the positioning buckle (807). The positioning buckle (807) and the positioning hole (806) are a mating structure. Inclined elastic straps (808) are uniformly installed on both sides of the mounting groove (809) of the insole (2). The inclined elastic straps (808) are used for pulling and limiting the upper and lower groove walls of the mounting groove (809).

2. A physical foamed spherical sole running shoe as claimed in claim 1, wherein: The bottom of the rod cap (708) is fixedly connected with an annular hook and loop fastener (710), and the outer wall of the fixing sleeve (701) is provided with an annular hook and loop fastener (709).

3. A physical foamed spherical sole running shoe as claimed in claim 1, wherein: The sole (1) is made using a supercritical physical foaming process. The side of the sole (1) is integrally formed with a spherical shock absorber, and the spherical shock absorber and the sole (1) are an integral structure.

4. The physical foamed spherical sole running shoe according to claim 1, wherein: The bottom of the sole (1) is evenly provided with anti-slip patterns. The sole (1) is fixedly connected to the midsole (2). The upper (3) is sewn to the top of the midsole (2). The tongue (4) is located in the middle of the inner side of the upper (3). The shoelace (5) is threaded through the eyelet of the upper (3).

Images