Cushioning sole
By pre-placing shock-absorbing components in the mold and using limiting rods for shaping, combined with foam particle injection and steam molding, the problem of thermal expansion and deformation of shock-absorbing components is solved, thereby improving the cushioning effect and stability of the shoe sole.
Patent Information
- Application Number
- CN202520042147.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-08
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2035-01-08
AI Technical Summary
In existing technologies, shock-absorbing components deform due to thermal expansion in the mold, affecting the cushioning effect of the sole and resulting in poor bonding strength.
Shock-absorbing components are pre-placed in the mold and abutted against its two surfaces by limiting rods. Combined with foamed particle injection and steam molding, an integrated structure is formed to reduce the impact of deformation. The damping effect is enhanced by setting shock-absorbing holes and grooves to provide buffer space.
It effectively reduces the deformation of the shock-absorbing components, improves the cushioning performance and bonding strength of the sole, and enhances the stability and comfort of the sole.
Smart Images

Figure CN223600924U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of shoe soles, in particular to a shock-absorbing shoe sole. BACKGROUND
[0002] At present, people pay more and more attention to the shock-absorbing effect of shoes, and therefore many shoe soles with shock-absorbing effects are developed according to different requirements.
[0003] In the prior art, some shoe soles are made of shock-absorbing materials, and some shoe soles are additionally provided with air cushions and other shock-absorbing members in the inner midsoles to further improve the shock-absorbing capacity of the shoes and improve the shock-absorbing effect during movement.
[0004] In the prior art, the shock-absorbing member is usually installed by first making a shoe sole through a mold, then forming an installation hole required for the subsequent shock-absorbing member through the mold during the making, and then installing the made shock-absorbing member in the reserved installation hole through glue, but the bonding strength is relatively poor. In view of this, in the prior art, the made shock-absorbing member is placed in the mold in advance, then foamed particles are injected into the mold, and then steam is introduced into the mold for steam forming.
[0005] Since the injected steam is relatively high in temperature, when flowing onto the shock-absorbing member, the shock-absorbing member may be affected by thermal expansion and deformed, thereby affecting the shock-absorbing capacity of the subsequently made shoe sole, and therefore further improvement is required. CONTENT OF THE UTILITY MODEL
[0006] In order to reduce the possibility of deformation of the shock-absorbing member due to thermal expansion in the mold, the application provides a shock-absorbing shoe sole.
[0007] The application provides a shock-absorbing shoe sole, which adopts the following technical scheme:
[0008] The shock-absorbing shoe sole comprises a shoe sole body, the shoe sole body comprises a midsole, the midsole is provided with an installation hole, the midsole is provided with a shock-absorbing member in the installation hole, opposite side walls of the midsole are provided with shock-absorbing holes communicated with the installation hole, upper and lower surfaces of the midsole are provided with a plurality of first through holes communicated with the installation hole, the plurality of first through holes are uniformly distributed, the first through holes are used for allowing a limiting rod in the mold to pass through, and the limiting rod abuts against opposite surfaces of the shock-absorbing member.
[0009] By adopting the technical scheme, the damping member is placed in the corresponding position in the mold in advance, and abuts against the opposite two surfaces of the damping member through the plurality of limiting rods in the mold, so that the subsequent foaming particles for manufacturing the midsole are injected into the mold, the damping member is assisted in shaping, the possibility of deformation of the damping member due to thermal expansion is reduced, and the influence of the deformation of the damping member on the damping function of the subsequent sole is reduced.
[0010] The damping hole provided therein not only provides a deformation space for the sole body to provide damping when being pressed, but also provides a deformation space for the damping member when being pressed and deformed, thereby further improving the damping effect of the sole.
[0011] Preferably, the first grooves are arranged on the opposite two side walls of the forefoot part of the midsole, and the first grooves are arranged close to the upper surface of the midsole and gradually decrease in width from the middle part to the toe part and the arch part.
[0012] By adopting the technical scheme, the first grooves are arranged, and during walking or running, the pressure is applied to the sole of the forefoot part when the heel is gradually transitioned to the forefoot, and the first grooves are arranged to provide a cushioning effect by deforming the midsole of the forefoot part, thereby reducing the impact of the ground on the forefoot part.
[0013] Preferably, the second grooves are arranged on the opposite two side walls of the midsole, and the two ends of the second grooves extend to the forefoot part and the heel part, respectively, one end of the second groove extending to the forefoot part is located below the first groove, and the width of one end of the second groove close to the forefoot part gradually decreases towards the first groove.
[0014] By adopting the technical scheme, the second grooves are arranged to deform the midsole to provide a cushioning effect when the heel is pressed, and the second grooves are arranged below the first groove to reduce the influence of the pressure cushioning effect of the subsequent forefoot landing, and the width of one end of the second groove close to the forefoot part gradually decreases towards the first groove.
[0015] Preferably, one end of the two second grooves close to the heel part is connected to each other, and the width of the second groove at the heel part is greater than the width of the heel part close to the arch part.
[0016] By adopting the technical scheme, the pressure applied to the heel part close to the heel part is relatively high when the heel is pressed, and one end of the two second grooves close to the heel part is connected to each other, and the width of the second groove at the heel part is greater than the width of the heel part close to the arch part, so as to provide a relatively high deformation space for deformation.
[0017] Preferably, the opposite two side walls of the midsole are protruded with shock-absorbing sheets, the shock-absorbing sheets are arranged below the second grooves, and the thickness of the shock-absorbing sheets gradually decreases from the forefoot region to the toe region and the arch region.
[0018] By adopting the above technical scheme, the shock-absorbing sheets are protruded to buffer the impact on the shoe sole body caused by the ground when the forefoot lands, and the shoe sole body has a relatively high stability in use due to the protruded arrangement of the shock-absorbing sheets.
[0019] Preferably, the upper surface of the shock-absorbing member is provided with a positioning hole, the upper surface of the midsole is provided with a second through hole communicated with the positioning hole, and the positioning hole is used for inserting the limiting rod in the mold.
[0020] By adopting the above technical scheme, the limiting rod in the mold is inserted through the positioning hole, so as to further improve the shaping of the air cushion, and the foamed particles can expand in a certain space in the horizontal direction when being integrally formed, so as to further improve the space of the shock-absorbing member that can be deformed, thereby further improving the shock-absorbing effect of the shoe sole.
[0021] Preferably, the side wall of the shock-absorbing member is provided with a ventilation channel communicated with the positioning hole, and the shock-absorbing member is arranged at the heel of the midsole.
[0022] By adopting the above technical scheme, during the movement, when the heel lands, the relatively hot air in the shoe cavity is discharged to the outside through the second through hole, the positioning hole and the ventilation channel, so that the second through hole is used as a ventilation hole to flow the hot air in the shoe cavity to the outside for heat exchange, and after the heel leaves the ground, the relatively dry or low-temperature air in the outside enters the shoe cavity during the rebound of the midsole and the air cushion, so as to reduce the temperature in the shoe cavity and reduce the possibility of heat and sweat in the shoe cavity, thereby improving the comfort of the foot.
[0023] Preferably, the ventilation channel is provided with a support column integrally formed with the shock-absorbing member, a plurality of support columns are arranged along the length direction of the ventilation channel, and the support columns are arranged away from the positioning hole.
[0024] By adopting the above technical scheme, the support column is arranged to support the shock-absorbing member in the ventilation channel, so as to improve the service life of the shock-absorbing member.
[0025] Preferably, the shoe sole body further comprises a wear-resistant outsole arranged on the midsole bottom surface, and a plurality of wear-resistant strips are arranged on the surface of the wear-resistant outsole away from the midsole, the length direction of the wear-resistant strips is inclined to the length direction of the wear-resistant outsole, and the wear-resistant strips are arranged in a wave along the length direction thereof.
[0026] By adopting the above technical scheme, the wear resistance of the shoe sole body is improved by arranging the wear-resistant outsole, the contact between the elastic midsole and the ground is reduced to reduce the possibility of wear, the midsole is protected, and the shock absorption life of the shoe sole body is prolonged.
[0027] Preferably, the wear-resistant outsole is arranged between the adjacent wear-resistant strips.
[0028] By adopting the above technical scheme, the wear resistance of the shoe sole body is further improved by the staggered arrangement between the wear-resistant blocks and the wear-resistant strips, and the slip resistance of the shoe sole body is improved.
[0029] In summary, the utility model has the following beneficial effects:
[0030] The damping member is placed in the corresponding position in the mold in advance, and a plurality of limiting rods in the mold abut against opposite surfaces of the damping member, so that the damping member is shaped and assisted in the subsequent injection of the foamed particles of the midsole into the mold, the possibility of deformation of the damping member due to thermal expansion is reduced, and the influence of the deformed damping member on the subsequent damping function of the shoe sole is reduced. BRIEF DESCRIPTION OF DRAWINGS
[0031] Figure 1 is a side view structure schematic diagram of embodiment 1 of the application;
[0032] Figure 2 is a structure schematic diagram of the first through hole in embodiment 1 of the application;
[0033] Figure 3 is a bottom surface structure schematic diagram of the midsole in embodiment 1 of the application;
[0034] Figure 4 is a structure schematic diagram of the damping member in embodiment 2 of the application;
[0035] Figure 5 is a sheet cross-sectional structure schematic diagram of the damping member in embodiment 2 of the application;
[0036] Figure 6 is a structure schematic diagram of the wear-resistant outsole in embodiment 2 of the application.
[0037] Explanation of reference signs: 1, sole body; 2, insole; 21, mounting hole; 22, shock absorbing hole; 23, first through hole; 24, first groove; 25, second groove; 26, shock absorbing piece; 27, second through hole; 3, wear-resistant outsole; 31, wear-resistant strip; 32, wear-resistant block; 4, shock absorbing piece; 41, positioning hole; 42, air permeation channel; 43, support column. DETAILED DESCRIPTION
[0038] The following will be described in detail in combination with the accompanying drawings. Figures 1-6 The present application will be further described in detail.
[0039] The present application discloses a shock absorbing sole.
[0040] Embodiment 1
[0041] A shock absorbing sole, referring to Figure 1 , Figure 2 , comprising a sole body 1, the sole body 1 comprising an insole 2 and a wear-resistant outsole 3 arranged on the ground of the insole 2, wherein the insole 2 is made of ETPU foaming material, and the wear-resistant outsole 3 can be made of rubber, TPU or other wear-resistant materials, which is specifically set according to requirements.
[0042] Referring to Figure 2 , Figure 3 , wherein the insole 2 is provided with a mounting hole 21, and the insole 2 is provided with a shock absorbing piece 4 in the mounting hole 21, in the embodiment, the shock absorbing piece 4 can be a gas cushion or made of ESA foaming material, which is specifically set according to requirements, and in the embodiment, the gas cushion is specifically displayed. The opposite side walls of the insole 2 are provided with shock absorbing holes 22 communicated with the mounting hole 21, and the upper and lower surfaces of the insole 2 are provided with a plurality of first through holes 23 communicated with the mounting hole 21, the plurality of first through holes 23 are uniformly distributed, and the first through holes 23 are used for the limiting rod in the mold to pass through, and the limiting rod abuts against the opposite surfaces of the shock absorbing piece 4.
[0043] For the installation between the shock absorbing piece 4 and the insole 2, the shock absorbing piece 4 is placed in the mold, and the limiting rod is used to limit the upper and lower surfaces of the shock absorbing piece 4, for the mounting hole 21, the limiting block protruding in the mold is used to abut against the opposite side walls of the shock absorbing piece 4, then the foaming particles are injected into the cavity formed in the mold, and then steam is introduced to integrally form the shock absorbing piece 4.
[0044] Referring to Figure 1Further, in order to improve the cushioning effect of the midsole 2, in the embodiment, the first grooves 24 are arranged on the opposite side walls of the forefoot region of the midsole 2, the inner surfaces of the first grooves 24 are arranged in an arc shape towards the midsole 2, the upper surfaces of the first grooves 24 are arranged close to the midsole 2, the widths of the first grooves 24 gradually decrease from the middle part towards the toe part and the arch part, and the lower edges of the first grooves 24 are arranged in an inclined manner towards the upper surface of the midsole 2, so as to change the widths of the first grooves 24.
[0045] Further, the second grooves 25 are arranged on the opposite side walls of the midsole 2, the inner surfaces of the second grooves 25 are also arranged in an arc shape towards the midsole 2, the two ends of the second grooves 25 extend to the forefoot region and the heel region respectively, the end of the second groove 25 extending to the forefoot region is located below the first groove 24, the width of the end of the second groove 25 close to the forefoot region gradually decreases towards the first groove 24, the ends of the two second grooves 25 close to the heel region are connected to each other, and the width of the second groove 25 at the heel region is greater than the width of the heel part close to the arch part.
[0046] Further, the shock-absorbing sheets 26 are arranged on the opposite side walls of the midsole 2, the shock-absorbing sheets 26 are integrally formed with the midsole 2, the shock-absorbing sheets 26 are arranged below the second grooves 25, the thicknesses of the shock-absorbing sheets 26 gradually decrease from the forefoot region towards the toe part and the arch part, and the lower edges of the shock-absorbing sheets 26 are arranged in an inclined or arc shape towards the upper surface of the midsole 2, so as to change the widths of the shock-absorbing sheets 26.
[0047] The implementation principle of the cushioning shoe sole in the embodiment is that the shock-absorbing member 4 is previously placed in the corresponding position in the mold, and a plurality of limiting rods in the mold abut against the opposite surfaces of the shock-absorbing member 4, so as to assist the shaping of the shock-absorbing member 4 when the foamed particles of the midsole 2 are subsequently injected into the mold, and reduce the possibility of deformation of the shock-absorbing member 4 due to thermal expansion, thereby reducing the influence of the deformation of the shock-absorbing member 4 on the subsequent cushioning function of the shoe sole.
[0048] Embodiment 2
[0049] With reference to Figure 4 , Figure 5 The difference between the embodiment and the embodiment 1 is that, in the embodiment, the upper surface of the shock-absorbing member 4 is provided with a plurality of positioning holes 41, and the upper surface of the midsole 2 is provided with a second through hole 27 communicating with the positioning holes 41. It should be noted that the second through hole 27 and the positioning holes 41 are both used for inserting the limiting rods in the mold, so as to position the shock-absorbing member 4.
[0050] The side wall of the damping piece 4 is provided with a ventilation channel 42 communicated with the positioning hole 41, the damping piece 4 is arranged at the heel of the midsole 2, the ventilation channel 42 is provided with a support column 43 integrally formed with the damping piece 4, the support column 43 is arranged at intervals along the length direction of the ventilation channel 42, and the support column 43 needs to avoid the positioning hole 41.
[0051] With reference to Figure 6 In the embodiment, the wear-resistant outsole 3 is provided with a plurality of wear-resistant strips 31 and a plurality of wear-resistant blocks 32 away from the surface of the midsole 2, the length direction of the wear-resistant strip 31 is inclined to the length direction of the wear-resistant outsole 3, and the wear-resistant strip 31 is arranged in a wave along its own length direction, and it should be noted that the wear-resistant strip 31 can be arranged in an arc along its own length.
[0052] The wear-resistant strip 31 can be arranged on the outer side or the inner side of the wear-resistant outsole 3, and the specific arrangement is based on the requirement, and in the embodiment, the wear-resistant strip 31 is arranged on the outer side of the outsole, and the plurality of wear-resistant strips 31 are arranged in two parts, and are arranged on the surface of the forefoot and the heel of the wear-resistant outsole 3 close to the outer side edge.
[0053] Among them, the wear-resistant block 32 is arranged between the adjacent wear-resistant strips 31, and the wear-resistant block 32 is arranged in other places of the wear-resistant outsole 3 without wear-resistant strips 31, and in the embodiment, the wear-resistant block 32 is arranged in a V shape, and the tips of the plurality of wear-resistant blocks 32 are arranged towards the length direction of the corresponding wear-resistant strip 31. For the wear-resistant block 32 without wear-resistant strip 31, the wear-resistant block 32 arranged on the forefoot is arranged towards the toe, and the wear-resistant block 32 arranged on the heel is arranged towards the heel.
[0054] The above are the preferred embodiments of the present application, and are not limited to the protection scope of the present application, therefore: any equivalent changes made on the structure, shape, principle of the present application should be covered in the protection scope of the present application.
Claims
1. A cushioning shoe sole, characterized by: The sole body (1) comprises a midsole (2), the midsole (2) is provided with a mounting hole (21), the midsole (2) is provided with a damping piece (4) in the mounting hole (21), the opposite two side walls of the midsole (2) are provided with damping holes (22) communicated with the mounting hole (21), the upper and lower surfaces of the midsole (2) are provided with a plurality of first through holes (23) communicated with the mounting hole (21), the first through holes (23) are uniformly distributed, the first through holes (23) are used for the limiting rod in the mold to pass through, and the limiting rod abuts against the opposite two surfaces of the damping piece (4).
2. A cushioning shoe sole according to claim 1, characterized in that: The opposite two side walls of the midsole (2) at the forefoot palm part are provided with first grooves (24), the first grooves (24) are arranged close to the upper surface of the midsole (2), and the width of the first grooves (24) gradually decreases from the middle part to the toe part and the arch part.
3. A cushioning shoe sole according to claim 2, characterized in that: The opposite two side walls of the midsole (2) are provided with second grooves (25), the two ends of the second grooves (25) extend to the forefoot palm part and the heel part respectively, one end of the second grooves (25) extending to the forefoot palm part is located below the first grooves (24), and the width of one end of the second grooves (25) close to the forefoot palm part gradually decreases towards the first grooves (24).
4. A cushioning shoe sole according to claim 3, characterized in that: The two ends of the second grooves (25) close to the heel part are connected to each other, and the width of the second grooves (25) at the heel part is greater than the width of the heel part close to the arch part.
5. A cushioning shoe sole according to claim 3, characterized in that: The opposite two side walls of the midsole (2) are provided with shock-absorbing sheets (26), the shock-absorbing sheets (26) are arranged below the second grooves (25), and the thickness of the shock-absorbing sheets (26) gradually decreases from the forefoot palm part to the toe part and the arch part.
6. A cushioning shoe sole according to claim 1, characterized in that: The upper surface of the damping piece (4) is provided with a positioning hole (41), the upper surface of the midsole (2) is provided with a second through hole (27) communicated with the positioning hole (41), and the positioning hole (41) is used for inserting the limiting rod in the mold.
7. A cushioning shoe sole according to claim 6, characterized in that: The side wall of the damping piece (4) is provided with a ventilation channel (42) communicated with the positioning hole (41), and the damping piece (4) is arranged at the heel part of the midsole (2).
8. A cushioning shoe sole according to claim 7, characterized in that: The ventilation channel (42) is provided with a support column (43) integrally formed with the damping piece (4), a plurality of support columns (43) are arranged at intervals along the length direction of the ventilation channel (42), and the support columns (43) are arranged away from the positioning hole (41).
9. A cushioning shoe sole according to claim 1, characterized in that: The sole body (1) further comprises a wear-resistant outsole (3) arranged on the bottom surface of the midsole (2), the surface of the wear-resistant outsole (3) away from the midsole (2) is provided with a plurality of wear-resistant strips (31), the length direction of the wear-resistant strips (31) is inclined to the length direction of the wear-resistant outsole (3), and the wear-resistant strips (31) are arranged in waves along the length direction thereof.
10. A cushioning shoe sole according to claim 9, characterized in that: The outsole is provided with a plurality of wear-resistant blocks (32) between adjacent wear-resistant strips (31).