Foaming composite rubber sole
By designing a foamed composite rubber sole, the problems of excessive weight and insufficient bonding quality of existing rubber soles are solved, achieving both wear resistance and lightweight properties, while also improving the bonding strength between the sole and the upper.
Patent Information
- Application Number
- CN202520439220.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-13
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2035-03-13
AI Technical Summary
Existing rubber soles are too heavy and have insufficient bonding quality, which affects the lightness and bonding strength of the shoes.
The shoe adopts a foamed composite rubber sole structure. Through the composite design of the upper and lower soles, the upper sole made of foamed rubber material reduces weight, and adhesive grooves and arc grooves are set in the upper sole to improve the bonding quality.
This design achieves both durability and lightweight properties for the sole, while also improving the adhesion between the sole and the upper.
Smart Images

Figure CN223653323U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the sole technical field, more specifically, relate to a foamed composite rubber sole. BACKGROUND
[0002] Rubber sole refers to the sole made of rubber, the material can be divided into natural rubber or synthetic rubber, rubber sole has high elasticity, wear resistance, bending resistance, compression resistance and softness, can play the role of shock absorption, is suitable for outdoor and daily wear.
[0003] At present, the commonly used rubber sole is mostly made of single rubber material, according to the different rubber material selection, so that some soles have good wear resistance, while the weight is relatively heavy, some soles have relatively light weight, and the wear resistance is insufficient, and the sole and the upper are only bonded by the external contact of the glue and the upper material, for example, the anti-skid type rubber sole disclosed in the publication No. CN222129506U includes a cotton shoe, the lower end of the cotton shoe is fixedly connected with an inner rubber sole, the outer end of the inner rubber sole is fixedly connected with an outer arc flange, the lower end of the outer arc flange is sleeved with an outer rubber sole, the inner circle of the outer rubber sole is fixedly connected with an inner arc concave flange, the inner arc concave flange and the outer arc flange are mutually clamped, and the lower end of the outer rubber sole is fixedly connected with an anti-skid convex strip.
[0004] As known from the above disclosure, the sole is made of a kind of rubber material, the weight is relatively heavy, and the weight of the shoe is increased, the lightness of the shoe is reduced, meanwhile, some uppers are bonded with the sole by glue, and when bonding the upper, only the outer surface of the upper can be bonded with the glue, the bonding quality is reduced. UTILITY MODEL CONTENTS
[0005] In view of the problems in the prior art, the utility model aims at providing a foamed composite rubber sole, the foamed composite rubber sole is produced by the composite mode of upper sole and lower sole, not only makes the wear resistance of the sole, but also greatly reduces the weight of the sole by using the foamed rubber material of the upper sole, thereby improving the lightness of the shoe, and the bonding groove and arc groove arranged on the upper sole can contact and bond the inner and outer sides of the upper material with the glue in the bonding groove when bonding the sole and the upper, greatly improving the bonding quality.
[0006] To solve the above problems, the utility model adopts the following technical scheme.
[0007] The foamed composite rubber sole comprises a sole body, the sole body comprises an upper sole, the bottom of the upper sole is fixedly combined with a lower sole, the surface of the upper sole is provided with an insole groove, the inner wall of the insole groove is fixedly connected with a protrusion, the bottom of the insole groove is provided with a weight-reducing hole, the surface of the upper sole is provided with a bonding structure, the bottom of the upper sole is provided with an anti-falling structure, the surface of the lower sole is provided with a composite groove, the inside of the composite groove is provided with a positioning structure, and the bottom of the lower sole is provided with an anti-skid groove.The foamed composite rubber sole is produced by the combination of the upper sole and the lower sole, so that the sole is wear-resistant, the weight of the sole is greatly reduced by the foamed rubber material of the upper sole, the lightness of the shoe is improved, and the bonding quality is greatly improved by the bonding groove and the arc-shaped groove of the upper sole.
[0008] Further, the anti-falling structure comprises an anti-falling side, the side surface of the anti-falling side is fixedly connected with the side surface of the upper sole, the bottom of the upper sole is fixedly connected with an anti-falling bottom edge and an anti-falling column, and the anti-falling structure can increase the combination firmness of the upper sole and the lower sole.
[0009] Further, the bonding structure comprises a bonding groove, the bottom of the bonding groove is provided with an arc-shaped groove, and the number of the arc-shaped grooves is at least six; the bonding groove and the arc-shaped groove can guide the glue after the shoe material enters the bonding groove, so that the glue is in contact with the inner and outer surfaces of the shoe material.
[0010] Further, the positioning structure comprises a groove, one end of the groove is in communication with the inside of the composite groove, and the bottom of the composite groove is fixedly connected with a second anti-falling groove; the positioning structure can increase the combination firmness of the lower sole and the upper sole.
[0011] Further, the cross section of the groove is T-shaped, the inner wall of the groove is fixedly connected with the surface of the anti-falling column, and the bottom of the anti-falling column is fixedly connected with an anti-falling block; after the groove is fixedly connected with the anti-falling column and the anti-falling block, the anti-falling effect is achieved.
[0012] Further, the side surface of the second anti-falling groove is fixedly connected with a first anti-falling groove, and the inner wall of the first anti-falling groove is fixedly connected with the surface of the anti-falling side; after the first anti-falling groove and the anti-falling side are fixed, the anti-falling effect is achieved.
[0013] Further, the inner wall of the second anti-falling groove is fixedly connected with the surface of the anti-falling bottom edge, and the cross section of the anti-falling bottom edge is L-shaped; after the second anti-falling groove is fixedly connected with the anti-falling bottom edge, the anti-falling effect is achieved.
[0014] Compared with the prior art, the foamed composite rubber sole has the following advantages:
[0015] (1) the upper sole and the lower sole composite way production of the sole, not only makes the sole wear-resistant, and the upper sole of foamed rubber material greatly reduces the weight of the sole, and further improves the lightness of the shoe.
[0016] (2) the upper sole setting of the adhesion groove and the arc-shaped groove, can be in the sole and the upper adhesion, the glue in the adhesion groove contacts the inside and outside of the upper material, greatly improves the adhesion quality. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 is the overall structure of the present application schematic diagram;
[0018] Figure 2 is the upper sole structure schematic diagram of the present application;
[0019] Figure 3 is Figure 2 the upper sole partial sectional view of the present application;
[0020] Figure 4 is the lower sole structure schematic diagram of the present application;
[0021] Figure 5 is Figure 4 the lower sole partial sectional view of the present application.
[0022] Mark explanation in the figure:
[0023] 1, sole body;2, upper sole;21, insole groove;22, convex;23, weight reduction hole;24, adhesion groove;25, arc-shaped groove;26, anti-off side;27, anti-off bottom edge;28, anti-off column;29, anti-off block;3, lower sole;31, composite groove;32, first anti-off groove;33, second anti-off groove;34, groove;35, anti-skid groove. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the present application will be described clearly and completely below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0025] Embodiment 1: please refer to Figures 1-5The utility model provides a kind of foamed composite rubber sole, including sole body 1, and sole body 1 made by composite is not only wear-resistant, but also light in weight, and sole body 1 includes upper sole 2, upper sole 2 is made of EVA foamed rubber, with light, good elasticity, good flexibility, not easy to wrinkle and other advantages, and the bottom of upper sole 2 is fixedly combined with lower sole 3, and upper sole 2 is made of hydrogenated nitrile rubber rubber, with good wear resistance, tear resistance and resilience, and the surface of upper sole 2 is provided with insole groove 21, the inner wall of insole groove 21 is fixedly connected with protrusion 22, protrusion 22 can fill the bottom of foot, improve comfort, and the bottom of insole groove 21 is provided with weight-reducing hole 23, and the surface of upper sole 2 is provided with bonding structure, bonding structure includes bonding groove 24, the bottom of bonding groove 24 is provided with arc groove 25, and the number of arc groove 25 is at least six, and bonding groove 24 and arc groove 25 can guide flow after shoe upper material enters bonding groove 24, facilitate the inner and outer surface of shoe upper material to contact and bond with glue, and the bottom of upper sole 2 is provided with anti-off structure, and anti-off structure includes anti-off side 26, and the side surface of anti-off side 26 is fixedly connected with the side surface of upper sole 2, and the bottom of upper sole 2 is fixedly connected with anti-off bottom edge 27 and anti-off column 28, and anti-off structure can increase the composite firmness of upper sole 2 and lower sole 3, and the surface of lower sole 3 is provided with composite groove 31, and the inside of composite groove 31 is provided with positioning structure, and positioning structure includes recess 34, and one end of recess 34 is communicated with the inside of composite groove 31, and the bottom of composite groove 31 is fixedly connected with second anti-off groove 33, and positioning structure can increase the composite firmness of lower sole 3 and upper sole 2, and the bottom of lower sole 3 is provided with anti-skid groove 35, and anti-skid groove 35 can increase the anti-skid effect of sole.
[0026] The cross-sectional shape of recess 34 is T-shaped, the inner wall of recess 34 is fixedly connected with the surface of anti-off column 28, the bottom of anti-off column 28 is fixedly connected with anti-off block 29, after recess 34 is fixed with anti-off column 28 and anti-off block 29, has the effect of anti-off, the side surface of second anti-off groove 33 is fixedly connected with first anti-off groove 32, the inner wall of first anti-off groove 32 is fixedly connected with the surface of anti-off side 26, after first anti-off groove 32 is fixed with anti-off side 26, can prevent its up and down movement, has the effect of anti-off, and the inner wall of second anti-off groove 33 is fixedly connected with the surface of anti-off bottom edge 27, and the cross-sectional shape of anti-off bottom edge 27 is L-shaped, after being fixed with second anti-off groove 33, has the effect of anti-off.
[0027] The foamed composite rubber sole is produced by first producing the upper sole 2 and the lower sole 3 by using a mold, then clamping the anti-falling side 26, the anti-falling bottom edge 27 and the anti-falling column 28 of the upper sole 2 into the first anti-falling groove 32, the second anti-falling groove 33 and the groove 34 of the lower sole 3 respectively, then performing composite fixation by hot melting, inserting the upper material into the bonding groove 24 after the upper sole 2 and the lower sole 3 are fixed, then injecting glue, so that the glue is quickly distributed on the inner and outer side surfaces of the upper material bonding part through the bonding groove 24 and the arc-shaped groove 25, and the bonding and fixation of the sole and the upper are completed after the glue is solidified. The sole produced by the composite of the upper sole 2 and the lower sole 3 not only makes the sole wear-resistant, but also greatly reduces the weight of the sole by using the foamed rubber material of the upper sole 2, thereby improving the lightness of the shoe. The bonding groove 24 and the arc-shaped groove 25 provided on the upper sole 2 can contact and bond the inner and outer sides of the upper material when the sole and the upper are bonded, which greatly improves the bonding quality.
[0028] The above is only a preferred embodiment of the present application; the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.
Claims
1. A foamed composite rubber shoe sole, comprising a sole body (1), characterized in that: The sole body (1) includes an upper sole (2), and a lower sole (3) is fixedly bonded to the bottom of the upper sole (2). The surface of the upper sole (2) is provided with a shoe insole groove (21), and a protrusion (22) is fixedly connected to the inner wall of the shoe insole groove (21). The bottom of the shoe insole groove (21) is provided with a weight reduction hole (23). The surface of the upper sole (2) is provided with an adhesive structure, and the bottom of the upper sole (2) is provided with an anti-slip structure. The surface of the lower sole (3) is provided with a composite groove (31), and the interior of the composite groove (31) is provided with a positioning structure. The bottom of the lower sole (3) is provided with an anti-slip groove (35).
2. The foamed composite rubber shoe sole according to claim 1, characterized in that: The anti-slip structure includes an anti-slip side (26), the side of which is fixedly connected to the side of the upper sole (2), and the bottom of the upper sole (2) is fixedly connected to an anti-slip bottom edge (27) and an anti-slip post (28).
3. The foamed composite rubber shoe sole according to claim 1, characterized in that: The adhesive structure includes an adhesive groove (24), and the bottom of the adhesive groove (24) is pre-set with an arc-shaped groove (25), and the number of the arc-shaped grooves (25) is at least six.
4. The foamed composite rubber shoe sole according to claim 1, characterized in that: The positioning structure includes a groove (34), one end of which is connected to the interior of the composite groove (31), and the bottom of the composite groove (31) is fixedly connected to a second anti-detachment groove (33).
5. A foamed composite rubber shoe sole according to claim 4, characterized in that: The groove (34) has a T-shaped cross-section. The inner wall of the groove (34) is fixedly connected to the surface of the anti-detachment column (28). An anti-detachment block (29) is fixedly connected to the bottom of the anti-detachment column (28).
6. A foamed composite rubber shoe sole according to claim 5, characterized in that: The second anti-detachment groove (33) is fixedly connected to the first anti-detachment groove (32) on its side, and the inner wall of the first anti-detachment groove (32) is fixedly connected to the surface of the anti-detachment side (26).
7. A foamed composite rubber shoe sole according to claim 4, characterized in that: The inner wall of the second anti-detachment groove (33) is fixedly connected to the surface of the anti-detachment bottom edge (27).
Citation Information
Patent Citations
Antiskid rubber sole
CN222129506U