CN206576378U - The footwear of dual-purpose comprehensive parcel - Google Patents

Abstract

The utility model relates to a dual-purpose all-round wrapped shoe. The shoe includes a shoe upper and a sole. The shoe upper is composed of an inner boot and an upper surface. The inner boot is independently set in the upper surface. The upper surface is fixedly connected with the sole as a whole. ; The inner boot is composed of an inner lining and an inner pad formed by one injection, and the inner lining and the inner pad are connected as a whole through injection molding. The shoe of the utility model can be used in conjunction with the inner boot and the upper surface, or the inner boot can be used independently; and its manufacturing process is relatively simple compared with the traditional shoe-making process, and the bottom-attaching process and the insole assembly process can be omitted; it is designed and manufactured according to the shape of the foot The inner boots make the upper and the sole completely stick to the last, and the wearing comfort is very good, realizing the barefoot effect; the inner boots can maximize the sports shock-absorbing function and the comfortable wrapping of the feet; the amount of EVA and RB materials used in the shoes is small Reduce and increase the amount of PU material, the proportion of soluble shoes increases, more environmentally friendly.

Description

Dual-purpose all-around shoe

technical field

The utility model relates to a shoe with multiple usage modes, in particular to a dual-purpose all-round wrapped bridge-building shoe.

Background technique

Sports shoes on the market are basically made of upper of a shoe, shoe-pad and sole, and shoe-pad is assembled in the cavity that upper of a shoe and sole surround, and can not be used alone, and such sports shoes have only a kind of use state. In addition, the top surface of most insoles is flat, which is difficult to fit the soles of the feet, and the wearing comfort is not ideal; although the upper surface of some insoles is designed as a concave structure that fits well with the soles of the feet, the fit of such soles It is still difficult to achieve a good state, and because the insole and the upper are of a separate structure, there will be a certain angle at the junction of the edge of the insole and the upper, which is difficult to fit the foot, and the insole is movable due to the split structure. It is difficult to keep the insole in one position for a long time, and it is impossible to make the insole and the sole of the foot in a good fit state stably and quickly. For this reason, most of the shoes currently on the market have the problem of unsatisfactory wrapping of the feet, and the comfort is difficult to meet the demand.

In addition, the main body of the common insoles are all made of foam materials. Although such insoles have a certain cushioning performance, but because their thickness is usually small, the shock absorption performance of shoes mainly depends on the thicker soles. And the foaming material of shoe-pad and sole and rubber material have poor dissolubility, and environmental protection is not ideal.

Contents of the invention

The utility model provides a dual-purpose all-round wrapped shoe to overcome the problems that most existing shoes have a single use state, the wrapping property of the upper surface of the foot is difficult to reach a good state, and the environmental protection of the shoes is not ideal.

The utility model adopts the following technical solutions:

The dual-purpose all-round wrapped shoe includes a shoe upper and a sole. The shoe upper is composed of an inner boot and an upper, the inner boot is independently set in the upper, and the upper is fixedly connected with the sole as a whole. The inner boot is composed of an inner lining and an injection-molded inner pad, and the inner lining and the inner pad are connected as a whole through injection molding.

further:

The above-mentioned upper and the above-mentioned shoe sole are integrally connected through the PU bridging layer.

The thickness of the inner pad is 10-20mm.

The above-mentioned inner lining is a sock-shaped sock structure.

The above inner lining is made of waterproof and/or breathable fabric.

The bottom of the above-mentioned upper surface is connected by fabrics to form a closed structure.

The above-mentioned inner pad is a PU inner pad made of PU material, or a popcorn inner pad made of a mixture of PU and TPU popcorn particles.

A manufacturing process for dual-purpose all-round wrapped shoes, the manufacturing process includes the following steps carried out in sequence:

a. Inner boots: According to the foot shape, make a mold inner core with a ratio of 1:1, put the inner core on the mold inner core, and the mold inner core enters the designated station of the injection mold; then pour PU raw materials or PU and TPU into the mold cavity Granular mixture; then transfer the mold to the heating box and heat up to 60-80°C, after 4-8 minutes, transfer the mold to the cooling box with the temperature controlled at -10-0°C for rapid cooling, and cool for 2-5 minutes ; After demoulding, inner boots are obtained;

b. Help surface: make a help surface that matches the inner boots, and the bottom of the help surface is connected by fabric to form a closed structure;

c. Molding: Place the sole on the designated mold cavity in the PU injection cavity; the sole is produced with a mold made according to the 1:1 ratio of the shape of the above mold cavity to ensure that the accuracy error of the sole is within 1mm; the edge of the sole Closely connected with the mold cavity; then put the upper on the shoe last that matches the upper, use the air valve device to hang the upper shoe last on the mold base of the joint injection molding machine, and use the steam pressure clamp last valve device to Fix the upper shoe last, and then close the mold; heat the mold temperature to 60-80°C, then inject the PU raw material into the mold cavity to foam and mature for 5-8 minutes, then open the mold, take it out and trim the burrs. , and the finished shoe can be obtained by directly putting the inner boot on the upper.

As can be seen from the above description of the structure of the utility model, compared with the prior art, the utility model has the following advantages:

1. The shoes of the present utility model have at least two use states, one is the use state of conventional shoes used in conjunction with the inner boots and the upper surface, and the other is the use state of the inner boots used independently; and the manufacturing process of the shoes of the present utility model is relatively The traditional shoe-making process is relatively simple, which can omit the bottom sticking process and insole assembly process, and can simplify the upper manufacturing process.

2. According to the foot shape design of human body mechanics, the inner core of the mold is made according to the shape of the foot, and the inner boots are made by using the integrated molding process in the mold, so that the foot can be placed in the most comfortable and consistent space, from the forefoot to the heel in all directions The perfect package fit, the upper and the sole are completely lasted, and the wearing comfort is very good, so as to realize the barefoot feeling.

3. Change the thickness, density, hardness and wrapping design of the inner pad according to different sports functions, so that the inner boots can maximize the sports shock-absorbing function and the comfortable wrapping of the feet.

4. There is no need for manual bottoming, which effectively improves the processing efficiency, and will not cause problems such as overflow and underglue due to manual bottoming. The upper is very clean and the tension is good. There is no adhesive layer between the upper and the sole. , to ensure the elasticity of the sole.

5. By adjusting the radian of the PU mold keel, adjust the thickness of the traditional insole from 4 to 6 mm to the thickness of the inner pad of the utility model from 10 to 20 mm, and reduce the thickness of the EVA sole and RB film, greatly enhancing the elasticity of the foot during exercise And comfort, the reduction in the amount of EVA and RB materials and the increase in the amount of PU materials increase the proportion of a pair of shoes that can be dissolved, effectively improving the environmental protection function.

Description of drawings

Fig. 1 is a schematic structural view of the inner boot of the present invention.

Fig. 2 is a schematic cross-sectional structure diagram of the inner boot of the present invention at A-A in Fig. 1 .

Fig. 3 is a schematic structural view of the shoe upper of the present invention.

Fig. 4 is a cross-sectional structural schematic diagram of the bridge shoe of the present invention at the neckline.

detailed description

The specific embodiment of the utility model is described below with reference to accompanying drawing.

Referring to Fig. 4, a dual-purpose all-round wrapped shoe includes an upper 1 and a sole 2. The upper 1 is composed of an inner boot 11 and an upper 12. The inner boot 11 is independently set in the upper 12, and the upper 12 is preferably passed through the bottom. Fabrics are connected to form a closed structure, and filling layers 13 such as sponges and fabrics can be filled in the upper surface 12 to enhance its warmth retention and cushioning performance. The upper surface 12 and the above-mentioned shoe sole 2 can be fixedly connected as one by means of gluing, but preferably the upper surface 12 and the shoe sole 2 are integrally connected through a PU bridging layer. Referring to Fig. 1 and Fig. 2, the inner boot 11 is composed of an inner lining 11a and an injection molding inner pad 11b. The inner pad 11b is a PU inner pad 11b made of PU material, or a popcorn inner pad 11b made by mixing PU and TPU popcorn particles, and the thickness of the inner pad 11b is 10-20mm. The inner lining 11a is a sock-shaped sock structure; the inner lining 11a is made of waterproof and/or breathable fabric. The inner lining 11a and the inner pad 11b are connected as one by injection molding.

In addition, the manufacturing process of the above-mentioned dual-purpose all-round wrapped shoes is as follows:

a. Inner boots: According to the foot shape, make a mold inner core with a ratio of 1:1, put the inner core 11a on the mold inner core, and the mold inner core enters the designated station of the injection mold; then pour PU raw materials or PU and PU into the mold cavity TPU granule mixture; then transfer the mold to the heating box and heat up to 60-80°C, after 4-8 minutes, transfer the mold to the cooling box with the temperature controlled at -10-0°C for rapid cooling, cooling for 2-5 Minutes; inner boots 11 are obtained after demoulding;

b. Upper: Make an upper 12 that matches the inner boot 11, and the bottom of the upper 12 is connected by a fabric to form a closed structure;

c. Molding: Place the sole 2 on the designated mold cavity in the PU injection mold cavity; the sole 2 is produced with a mold made according to the 1:1 ratio of the shape of the above mold cavity to ensure that the accuracy error of the sole 2 is within 1mm ; The edge of the sole 2 is closely connected with the mold groove; then the upper 12 is set on the shoe last that is suitable for the upper 12, and the upper shoe last is hung on the mold frame of the joint injection molding machine by using the air valve device, Clamp the last valve device to fix the upper shoe last, and then close the mold; heat the mold temperature to 60-80°C, then inject the PU raw material into the mold cavity for foaming and curing for 5-8 minutes, then open the mold and take it out And trim the raw edges. When in use, directly put the inner boot 11 in the upper 12 to get the finished shoe.

The shoes of the present utility model have at least two usage states, one is the usage state of the conventional shoes that the inner boot 11 and the upper surface 12 are used together, and indoor and outdoor sports can be performed; the other is that the inner boot can be used independently during the leisure time at home. 11 can walk, and the configuration of the inner pad 11b makes the inner boots 11 also have good shock absorption performance when worn independently, making it more comfortable and safe to wear; The bottom sticking process and the insole assembling process can simplify the manufacturing process of the shoe upper 1 . Referring to Figure 1, according to the foot shape design of human body mechanics, the inner core of the mold is made according to the foot shape, and the inner boots 11 are made by using the integrated molding process in the mold, so that the foot can be placed in the most comfortable and consistent space, from the forefoot to the The all-round perfect wrap fit of the heel, the vamp and the sole 2 are completely lasted, and the wearing comfort is very good, which makes the worn shoes and the wearer's feet feel integrated, thereby realizing the barefoot effect. According to different sports functions, the thickness, density, hardness and wrapping design of the inner pad 11b are changed, so that the inner boot 11 can maximize the sports shock-absorbing and assisting function and comfortably wrap the feet. There is no need for manual bottoming, which effectively improves the processing efficiency, and will not cause problems such as overflow and lack of glue due to manual bottoming. The upper is very clean and the tension is good. There is no adhesive layer between the upper 1 and the sole 2. , ensuring the elasticity of the sole 2. By adjusting the curvature of the PU mold keel, the thickness of the traditional insole is adjusted from 4 to 6 mm to 10 to 20 mm of the thickness of the inner pad 11b of the utility model, and the thickness of the EVA sole 2 and the RB film is reduced, which greatly enhances the elasticity of the foot during exercise. And comfort, the reduction in the amount of EVA and RB materials and the increase in the amount of PU materials increase the proportion of a pair of shoes that can be dissolved, effectively improving the environmental protection function.

The above is only the specific implementation of the present utility model, but the design concept of the present utility model is not limited thereto, any use of this concept to carry out non-essential actions on the present utility model shall belong to the act of violating the protection scope of the present utility model .

Claims (7)

1. the footwear of dual-purpose comprehensive parcel, including upper of a shoe and sole, it is characterised in that：The upper of a shoe is by interior boots and upper structure Into interior boots are independently set in upper, and upper is connected to one with the sole；Interior boots by inside with an ejection formation Interior pad constitute, inside with it is interior pad connected as one by ejection formation.

2. the footwear of dual-purpose comprehensive parcel as claimed in claim 1, it is characterised in that：The upper passes through with the sole PU bridge formation layer integrally connecteds.

3. the footwear of dual-purpose comprehensive parcel as claimed in claim 1, it is characterised in that：The thickness of the interior pad be 10~ 20mm。

4. the footwear of dual-purpose comprehensive parcel as claimed in claim 1, it is characterised in that：Described is in socks shape inside Ankle socks structure.

5. the footwear of dual-purpose comprehensive parcel as claimed in claim 1, it is characterised in that：Described is waterproof inside and/or saturating Gas fabric is made.

6. the footwear of dual-purpose comprehensive parcel as claimed in claim 1, it is characterised in that：The bottom of the upper passes through fabric Connection forms closing structure.

7. the footwear of dual-purpose comprehensive parcel as claimed in claim 1, it is characterised in that：What the interior pad was made up of PU materials Pad, or padded in the puffed rice that PU and TPU puffed rice particles are mixed in PU.