CN212938285U - Ultra-light EVA foaming sole - Google Patents

Abstract

The utility model relates to an ultra-light EVA foaming sole relates to in the shoes field of making technique, it is including the first foaming body and the second foaming body that stack gradually the setting, be provided with a plurality of tracks of joint piece on one side of the orientation second foaming body of first foaming body, each joint piece is arranged the setting along the edge of first foaming body, the week side of second foaming body is provided with a plurality of tracks of joint grooves that are used for supplying each track of joint piece joint, utilize the sealant layer to bond as an organic wholely between the lower surface of first foaming body and the upper surface of second foaming body. This application has the effect of avoiding the sole to take place the infiltration.

Description

Ultra-light EVA foaming sole

Technical Field

The application relates to the technical field of shoe manufacturing, in particular to an ultra-light EVA (ethylene vinyl acetate) foamed sole.

Background

The existing sole generally comprises a single-layer sole and a multi-layer sole, the single-layer sole embodies the characteristic of portability due to less overall material, but the existing single-layer sole is not ideal in shock absorption and easy bending design, and generally has the problems of large bending resistance, poor motion flexibility, labor waste and poor shock absorption effect; when the multi-layer sole is used, the whole weight of the shoe body cannot be better controlled, and the use comfort is influenced.

Related art such as chinese patent with publication number CN208301088U, discloses an ultra-light multi-color EVA foamed sole, which comprises a first foam body and a second foam body, wherein the first foam body is arranged in the second foam body, and the first foam body is provided with a plurality of first hollow parts; a fixed part is arranged between every two first hollow parts and extends downwards; a plurality of fixed convex ribs are arranged in the second foaming body, and a second hollow part is formed between every two fixed convex ribs; the fixing part is accommodated in the second hollow part and is in seamless connection with the fixing convex rib in a foaming forming mode.

In view of the above-mentioned related art, the inventors found that in order to achieve the fixed connection between the first foam body and the second foam body, it is necessary to provide the first hollow portion and the fixing portion on the first foam body, and to provide the second hollow portion and the fixing rib on the second foam body, but this arrangement may form a large gap between the first foam body and the second foam body, which may cause ground water to easily permeate to the upper surface of the sole through the gap, and thus an improvement is needed.

SUMMERY OF THE UTILITY MODEL

In order to improve the problem that the sole can seep water, the application provides an ultra-light EVA foaming sole.

The application provides an ultra-light EVA foaming sole adopts following technical scheme:

the utility model provides an ultra-light EVA foaming sole, is including the first foaming body and the second foaming body that stack gradually the setting, be provided with a plurality of tracks of joint piece on one side of the orientation second foaming body of first foaming body, each the joint piece is encircleed the edge of first foaming body and is arranged the setting, the week side of second foaming body is provided with a plurality of tracks of joint groove that are used for supplying each track of joint piece joint, utilize the sealant layer to bond as an organic wholely between the lower surface of first foaming body and the upper surface of second foaming body.

Through adopting above-mentioned technical scheme, utilize first foaming body and second foaming body can constitute the foaming sole of buckling, utilize sealant layer can be as an organic whole with first foaming body and second foaming body bonding, utilize the cooperation between joint piece and the joint groove to realize the location installation between first foaming body and the second foaming body, at this moment, because all there is not fretwork portion on first foaming body and the second foaming body, consequently this foaming sole can not take place the infiltration, simultaneously, utilize sealant layer can avoid the unexpected infiltration of water to advance between first foaming body and the second foaming body.

Preferably, the clamping block and the clamping groove are arranged in an isosceles trapezoid shape on one side surface away from the center of the first foaming body, and the length of one side, away from the first foaming body, of the clamping block is greater than that of one side, connected with the first foaming body, of the clamping block.

Through adopting above-mentioned technical scheme, can the joint be in the same place when joint piece and the joint groove mutually supports that are isosceles trapezoid shape, simple structure, the implementation of being convenient for.

Preferably, the vertical cross section of each clamping block is in a right-angle trapezoid shape, and the area of one side, connected with the first foaming body, of each clamping block is larger than the area of one side, far away from the first foaming body, of each clamping block.

Through adopting above-mentioned technical scheme for the area that joint piece and first foaming body are connected is bigger, thereby makes the joint between joint piece and the first foaming body be connected more firmly.

Preferably, each all peg graft on the joint piece and have the enhancement to mould the pole, the enhancement is moulded the pole and is close to the one end slope of first foaming body center and set up downwards and wear to establish the joint piece, the enhancement is moulded the pole and is worn to establish the one end of joint piece and insert into in the second foaming body.

Through adopting above-mentioned technical scheme, utilize the enhancement to mould the pole and can further improve the joint intensity between joint piece and the joint groove to make first foaming body and second foaming body be difficult for taking place the separation more.

Preferably, the outer wall of each reinforced plastic rod is provided with an external thread.

Through adopting above-mentioned technical scheme, utilize the external screw thread can further improve the joint strength between pole and joint piece and the second foaming body are moulded in the enhancement.

Preferably, a third foaming body is arranged between the first foaming body and the second foaming body, the third foaming body is arranged in a honeycomb shape, and the sealant layer is arranged around the third foaming body.

Through adopting above-mentioned technical scheme, utilize the third foaming body that is cellular setting can play the buffering shock attenuation, decrement subtracts heavy effect for this foaming sole has good cushioning effect and subtracts heavy effect, utilizes the cooperation between sealant layer and the third foaming body can avoid water accident to ooze in the third foaming body.

Preferably, the first foaming body and the second foaming body are provided with positioning grooves on one side surface in opposite arrangement, and the upper side and the lower side of the third foaming body respectively extend into the two positioning grooves.

Through adopting above-mentioned technical scheme, utilize the cooperation between twice constant head tank and the third foaming body, can fix a position the third foaming body fast and install between first foaming body and the second foaming body.

Preferably, a plurality of grooves are formed in one side surface, away from the third foaming body, of the first foaming body.

Through adopting above-mentioned technical scheme, the utilization sets up in the recess of first foam can further play the effect of decrement for the weight of this sole can further alleviate.

Preferably, a side surface of the second foaming body, which is far away from the third foaming body, is provided with a plurality of anti-skid grains.

Through adopting above-mentioned technical scheme, utilize anti-skidding texture can increase the frictional force between second foaming body and the ground to be difficult for slipping when making this sole use.

In summary, the present application includes at least one of the following beneficial technical effects:

the first foaming body and the second foaming body can be fixedly connected into a whole without hollowing, so that water cannot directly permeate through the sole;

the third foaming body can greatly reduce the weight of the sole and has good buffering and shock absorption capacity.

Drawings

FIG. 1 is a front view of a sole of an embodiment of the present application;

FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 3 is an enlarged view of part A of FIG. 2;

FIG. 4 is a bottom view of a sole according to an embodiment of the present application.

Reference numerals: 1. a first foam; 11. a clamping block; 12. a groove; 13. positioning a groove; 2. a second foam; 21. a clamping groove; 22. anti-skid lines; 3. a third foam; 4. the plastic rod is reinforced.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses an ultra-light EVA foaming sole. Referring to fig. 1 and 2, the ultra-light EVA foamed shoe sole includes a first foam 1, a second foam 2, and a third foam 3, wherein the third foam 3 is disposed between the first foam 1 and the second foam 2, and a sealant layer (not shown) having a ring and a ring is disposed around the third foam 3 is further disposed between the first foam 1 and the second foam 2.

Referring to fig. 1 and 3, a plurality of clamping blocks 11 are arranged on one side of the first foaming body 1 facing the second foaming body 2, each clamping block 11 is arranged around the edge of the first foaming body 1 at equal intervals for one circle, a plurality of clamping grooves 21 with the shape and size equal to those of the box body of the clamping block 11 are arranged on the outer side of the second foaming body 2, each clamping groove 21 is arranged around the edge of the second foaming body 2 at equal intervals for one circle, and when the first foaming body 1 and the second foaming body 2 are installed together, each clamping block 11 is clamped in each clamping groove 21; wherein, all peg graft on each joint piece 11 and have the outer wall to be provided with the enhancement of external screw thread and mould pole 4, each enhancement is moulded the pole 4 and is close to the equal slope of the one end at first foaming body 1 center and set up towards second foaming body 2, and each enhancement is moulded the one end that pole 4 is close to second foaming body 2 and is worn to establish joint piece 11 and insert in second foaming body 2.

Wherein, the equal isosceles trapezoid shape in a side that each track of joint piece 11 kept away from first foaming body 1 center sets up, and the vertical cross section of each track of joint piece 11 all is the triangle-shaped setting, and wherein, the length of each track of joint piece 11 one side of keeping away from first foaming body 1 is greater than the length of joint piece 11 one side that meets with first foaming body 1, and the area of each track of joint piece 11 one side of being connected with first foaming body 1 is greater than the area of joint piece 11 one side of keeping away from first foaming body 1.

Referring to fig. 2, a positioning groove 13 is formed in each of the first foam body 1 and the second foam body 2, the two positioning grooves 13 are respectively formed in one side surface of the first foam body 1 and the side surface of the second foam body 2, which are oppositely arranged, and the upper and lower side surfaces of the third foam body 3 are respectively installed in the two positioning grooves 13; wherein, this third foaming body 3 is cellular setting, and sets up each way honeycomb hole vertical setting on third foaming body 3.

Referring to fig. 1 and 4, a plurality of grooves 12 are formed on a side surface of the first foam body 1 away from the third foam body 3, and a plurality of anti-slip patterns 22 are formed on a side surface of the second foam body 2 away from the third foam body 3.

The implementation principle of this application embodiment an ultra-light type EVA foaming sole does:

when the foaming sole is assembled, the third foaming body 3 is firstly placed in the positioning groove 13 on the first foaming body 1 or the second foaming body 2, then the first foaming body 1 or the second foaming body 2 is coated with sealant, and finally the first foaming body 1 and the second foaming body 2 are assembled, so that the upper side of the third foaming body 3 can extend into the positioning groove 13 on the first foaming body 1, and all the clamping blocks 11 can be respectively clamped in all the clamping grooves 21, and the first foaming body 1 and the second foaming body 2 can be firmly bonded into a whole after the sealant is solidified.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (9)

1. The utility model provides an ultra-light EVA foaming sole, includes first foaming body (1) and second foaming body (2) that stack gradually the setting, its characterized in that: the novel foam structure is characterized in that a plurality of clamping blocks (11) are arranged on one side, facing the second foam body (2), of the first foam body (1), the clamping blocks (11) are arranged around the edge of the first foam body (1), a plurality of clamping grooves (21) used for clamping the clamping blocks (11) are formed in the peripheral side of the second foam body (2), and the lower surface of the first foam body (1) and the upper surface of the second foam body (2) are bonded into a whole through a sealing glue layer.

2. The ultra-light EVA foaming shoe sole of claim 1, wherein: the equal isosceles trapezoid shape in a side that first foaming body (1) center was kept away from in joint piece (11) and joint groove (21) sets up, the length of one side that first foaming body (1) was kept away from in joint piece (11) is greater than the length of one side that joint piece (11) and first foaming body (1) meet.

3. The ultra-light EVA foaming shoe sole of claim 1, wherein: the vertical cross section of each clamping block (11) is arranged in a triangular shape, and the area of one side, connected with the first foaming body (1), of each clamping block (11) is larger than the area of one side, far away from the first foaming body (1), of each clamping block (11).

4. The ultra-light EVA foaming shoe sole of claim 1, wherein: each all peg graft on joint piece (11) and have the enhancement to mould pole (4), the enhancement is moulded the one end slope that pole (4) is close to first foaming body (1) center and is set up downwards and wear to establish joint piece (11), the enhancement is moulded the one end that pole (4) were worn to establish joint piece (11) and is inserted into in second foaming body (2).

5. The ultra-light EVA foaming shoe sole of claim 4, wherein: and external threads are arranged on the outer wall of each reinforced plastic rod (4).

6. The ultra-light EVA foaming shoe sole of claim 1, wherein: a third foaming body (3) is arranged between the first foaming body (1) and the second foaming body (2), the third foaming body (3) is arranged in a honeycomb manner, and the sealant layer is arranged around the third foaming body (3).

7. The ultra-light EVA foaming shoe sole of claim 6, wherein: and positioning grooves (13) are formed in one side face, opposite to each other, of the first foaming body (1) and the second foaming body (2), and the upper side and the lower side of the third foaming body (3) extend into the two positioning grooves (13) respectively.

8. The ultra-light EVA foaming shoe sole of claim 6, wherein: and a plurality of grooves (12) are formed in one side surface of the first foaming body (1) far away from the third foaming body (3).

9. The ultra-light EVA foaming shoe sole of claim 6, wherein: and a plurality of anti-skid grains (22) are arranged on one side surface of the second foaming body (2) far away from the third foaming body (3).

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