WO2019203457A1

WO2019203457A1 - Spring cushioned shoe

Info

Publication number: WO2019203457A1
Application number: PCT/KR2019/003184
Authority: WO
Inventors: 문성호; 김영석
Original assignee: 문성호; 김영석
Priority date: 2018-04-17
Filing date: 2019-03-19
Publication date: 2019-10-24
Also published as: KR200487837Y1; CN209300345U

Abstract

The present invention relates to a spring cushioned shoe which provides excellent cushioning by the installation of a truncated spring at a heel part of a sole and, more specifically, to a spring cushioned shoe having a simple structure as well as providing excellent cushioning by means of a spring, a soft plate, and a thick cushion portion from the insertion of the spring at a heel part of a sole body so as not to rotate, the installation of a cover plate afterward, on the upper part of the sole body, in which a soft plate covering the upper part of the spring is installed, and the installation of an insole, on the upper part of the cover plate, having a thick cushion portion at the heel part thereof, wherein coil parts of the upper and lower ends of the spring are bent inclined downwardly and upwardly, respectively, so as to prevent damage to the shoe parts which are formed of a synthetic resin material and injury to the foot of a wearer by the wire spring, and a tough and soft material is in contact with the upper and lower ends of the spring so as to prevent noise generated when walking.

Description

Spring cushion shoes

The present invention relates to a spring cushion shoe that is provided with a truncated cone-shaped spring is provided on the heel portion of the shoe sole, more specifically, the upper portion of the sole body after the spring is inserted into the heel portion of the sole body so as not to rotate. A cover plate is installed to cover the upper part of the spring. The upper part of the cover plate is provided with an insole with cushion thick parts on the rear axle to provide excellent cushioning by springs, soft plates and cushion thick parts. It provides spring cushion shoes of simple structure, and the upper and lower coil parts of the spring are bent inclined downward and upward, respectively, so that the shoe parts formed of synthetic resin material are not damaged by the spring made of wire, and the wearer's foot is not injured. And the soft and soft material is in contact with the upper and lower ends of the spring, causing noise when walking. It relates to a spring cushioned shoes that do not.

Conventional spring buffer shoes are registered in the Republic of Korea Patent Registration No. 10-1035380 is known by the Republic of Korea Patent Publication.

The conventional invention is a spring buffered shoe that is installed in the spring between the sole body 10 and the sole 40, the front is attached to each other as shown in Figure 1 and 2, the bottom is a wide spring 52 is wide In this case, the spring 52 is installed downward as a screw member by a spring fixing plate 51a on the bottom surface of the elastic body 51 formed in a plate shape, and the interference fitting pins 53 in front and rear of the elastic body 51. ) Is installed downward to constitute the elastic body 50.

And, the rear of the shoe sole body 10 is provided with a mounting groove groove 12 is inserted into the lower mounting bracket 30 is inserted into the spring through hole 13 through which the spring 52 passes through the bottom of the mounting groove 12 It is formed to penetrate up and down.

In addition, in the mounting groove 12, a spring hole 33 corresponding to the spring through hole 13 in the center and a pin hole in which an interference fitting pin 53 is inserted into the front and rear of the spring hole 33 in an interference fit manner. A lower mounting table 30 having a 34 is installed and inserted into the spring hole 33 and the spring through hole 13 so that the bottom surface of the spring 52 contacts the upper surface of the bottom window 40. 53 is detachably attached to the pin hole 34.

And, between the bottom surface of the shoe sole body 10 and the upper surface of the sole 40 of the outer side of the spring 52 is attached to the air bag 20 formed with a space portion 21 through which the spring 52 penetrates. It features.

Such a conventional invention includes a problem in that the number of parts for constructing the spring buffer shoes is increased and the structure becomes complicated. In particular, the elastic body 51, the spring fixing plate (51a), the lower mounting table 30, the air bag 20 is formed by the injection work, because four injection molds to be produced for the injection work must be produced by each four The manufacturing cost of the invention had a problem of rising.

In addition, the work to install the elastic body 51, the spring fixing plate 51a, the spring 52, the lower mounting table 30 is inconvenient, there is a problem that the productivity is reduced, the spring below the elastic body 51 The spring fixing plate 51a, which is installed to install the 52, is installed by the screw member, and in the process of repeatedly stretching the spring 52 many times in the process of wearing and walking the spring buffer shoes of the conventional invention for a long time. Spiral lines in which the screw member is relaxed will be generated.

When the screw member is relaxed, the airbag leaks every time the airbag 20 is punctured while the outer circumferential surface of the spring 52 formed by twisting the wire and the inner circumferential surface of the airbag 20 formed of a soft synthetic resin material are in friction contact with each other. Of course, as the airbag 20 does not support the outer circumference of the spring, the protruding stone on the ground, or whenever you step on the slope, the lower part of the shoe is easily refracted to hurt the ankle, there was.

The present invention is to solve the above problems, the spring is inserted into the heel portion of the sole body, while covering the upper and lower portions of the spring with a soft and tough material while supporting the back of the insole heel portion of the insole to have a cushion By forming the thick portion, it is a technical problem to be able to produce a spring cushion shoes that provide an excellent cushion with a simple structure that does not require any injection mold.

In addition, the spring inserted into the rear axle of the shoe body does not rotate inside the spring groove, and the upper and lower ends of the coil part of the spring are bent inclined downward and upward, respectively, so that the shoe parts formed of the synthetic resin material are not damaged. Of course, another technical problem is to prevent the wearer's foot from being injured, and to prevent friction noise between the spring and the shoe parts that are repeatedly contacted when walking because the soft and soft material contacts the upper and lower ends of the spring.

The present invention for achieving the above object, the spring is inserted into the spring groove is formed so that the upper portion is opened to the rear axle portion of the sole body, the cover plate and the insole is in turn installed on the upper portion of the sole body, the outer side of the sole body In the upper spring cushion shoes are installed; One end of the spring groove wall is formed with a spring end latching portion is inserted into the end bent portion of the spring is formed, the spring is formed in the upper and lower light form, the lower outer diameter portion of the spring is inserted in close contact with the inner peripheral surface of the spring groove, The upper part of the inserted spring is inserted and installed to protrude by a predetermined height than the upper surface of the sole body, the lower end bent portion of the coil portion of the spring is bent obliquely upwards, the upper bent portion of the spring is inclined downwards toward the center Bent; A soft plate is inserted into the bottom of the sole body facing the upper portion of the spring; It characterized in that it comprises a configuration in which the cushion thick portion formed of a thick cushion material heel portion of the insole corresponding to the soft plate.

Spring cushion shoes of the present invention as described above, the spring is inserted into the heel portion of the sole body, while covering the upper and lower portions of the spring with a soft and tough material while supporting the cushioning on the heel portion of the insole that is laid on the top of the sole body By forming the retaining thick portion, it is possible to produce a spring cushion shoes that provide excellent cushion with a simple structure that does not require any injection mold, it is effective to provide a spring cushion shoes with excellent cushion at a low cost of manufacturing.

In addition, since the spring inserted into the rear axle of the shoe body does not rotate inside the spring groove, the insole is horizontally oriented without shifting from side to side in the rear axle, and the upper and lower ends of the coil spring of the wire It is bent to the upper side and the upper side, respectively, so that the shoe parts formed of synthetic resin are not damaged, and the wearer's foot is not injured. Friction between the shoe parts and the shoe does not occur.

1 is a cross-sectional view showing a conventional invention.

Figure 2 is an exploded perspective view showing a conventional invention.

Figure 3 is a cross-sectional view showing a spring cushion shoes according to the present invention.

4 is an enlarged cross-sectional view of a portion “A” of FIG. 4.

5 is an exploded perspective view showing the main components of the present invention.

Figure 6 is a plan view showing a state in which the spring is inserted into the spring groove included in the present invention.

7 is a front view of a spring included in the present invention.

Hereinafter, the spring cushion shoe according to the present invention will be described with reference to the accompanying drawings, FIGS. 3 to 7.

Spring cushioning shoe 100 according to the present invention, as shown in Figures 3 to 4, but forms a spring groove 121, the upper portion is opened in the rear axle portion of the shoe sole 102, one side of the spring groove 121 On the wall surface is formed a spring end engaging portion 122 is inserted into the end bent portion 132 of the spring 130.

The sole 102 is shown as the sole 110 is attached to the bottom of the sole body 120 in the figure. In this case, when the sole 110 is attached to the bottom of the sole body 120, in order to prevent the wear of the sole surface in contact with the ground when the sole body 120 is formed of a soft material such as foamed polyurethane Attached to the sole 110 formed of a tough rubber-like material, the sole body 120 and the sole 110 may be formed integrally using a tough rubber-like material corresponding to the wear.

The radial plate 123 supporting the lower portion of the spring 130 is inserted into the spring groove 121. At this time, the radial plate 123 is that the bottom surface of the spring groove 121 of the sole body 120 is damaged when the spring 130 made of wire is damaged, the bottom surface of the spring groove 121 is formed soft It is inserted in order to prevent sagging to the lower side and to prevent noise from coming into contact with the bottom of the spring that is stretched up and down, and the semi-rigid plate 123 is a tough synthetic resin or soft synthetic resin on the upper surface of the rigid plate. It is preferable to use what has affixed ash.

The spring groove 121 is inserted into the spring 130 of the upper and lower beams, the lower outer diameter portion of the spring 130 is inserted in close contact with the inner circumferential surface of the spring groove 121, the lower end of the spring is a radial plate ( 123 is inserted into the upper portion of the spring protruding by a predetermined height than the upper surface of the sole body 120 around the spring groove 121, the end of the spring bent portion 132 is the spring end engaging portion 122 The spring 130 inserted into the spring groove 121 is inserted so as not to rotate.

In addition, the spring 130 is not rotated as the spring is spirally wound while the height of the Han family in the direction in which the spring is wound, the applicant of the present invention designed the product so that the rear of the upper side of the spring is high, This is because the position of the high part of the spring changes when it is turned back. Especially, when the height of the left or right side is increased, the opposite side is lowered and the level is not maintained so that the spring does not turn.

Installing the upper portion of the spring 130 to protrude by a predetermined height from the upper surface of the shoe sole body 120 is that the free height before the spring is stepped on the foot must protrude by a predetermined height so that the protruding portion is stepped on the foot This is because the repulsive force of the action, the applicant of the present invention puts out that the height of the spring protrudes upwards is designed to be 5 ~ 8mm to manufacture.

As shown in FIGS. 5 to 7, the spring 130 has the lower end bent portion 132 of the coil portion bent inclined upwardly so that the end bent portion 132 made of a wire is made of a weaker material than the spring 130. To prevent damage to the shoe sole body 120 and the radial plate 123, the upper bent portion 131 of the spring 130 is bent inclined downward with the end toward the center of the wearer's sole and the upper soft The plate 142 is not damaged.

A cover plate 140 is installed on the upper portion of the sole body 120 to cover the upper surface of the sole body 120, and an insertion portion 141 having an open lower side is formed at a rear axle of the cover plate 140. The insertion part 141 is provided with a soft plate 142 into which the upper surface of the spring 130 contacts.

And, the upper side of the cover plate 140, the insole 150 is provided with a cushion thick portion 151 formed of a thick cushioning material of the rear axle is detachably installed.

Reference numeral "101" in the reference numerals are uppers which are installed on the upper portion of the sole 102 to constitute the spring cushion shoes 100.

Referring to Figures 3 to 7 the operational relationship of the present invention configured as described above are as follows.

The spring cushion shoe 100 according to the present invention is attached to the bottom of the sole body 120 having a cushion like foamed polyurethane, such as a rubber sole 110 is attached to form a shoe sole 102 to form a shoe sole 102 Minimize floor wear, which is a known technique.

As shown in Figures 3 to 5 to insert the radial plate 123 into the spring groove 121 formed to open the upper portion in the foot rear shaft portion of the sole body 120, and inserting the spring 130 on the upper side The lower outer circumference of the spring 130 is manufactured to fit into the inner circumference of the spring groove 121, and the lower outer circumference of the spring 130 is inserted into the spring groove 121 to maintain the fitted state without baggage.

When the spring 130 is inserted into the spring groove 121 in this way, as shown in FIGS. 5 and 6, the end bending portion 132 of the spring 130 is formed on one side wall of the spring groove 121. The spring 130 is caught so as not to return to the spring end catching portion 122 side, and when the spring 130 is inserted into the spring groove 121, the upper height of the spring 130 is the sole of the shoe. It protrudes by a predetermined height (5 to 8 mm) from the upper surface of the main body 120.

Then, the cover plate 140 is installed to be stacked on the sole body 120, and as shown in FIGS. 3 to 5, the insertion portion 141 formed in the rear axle portion of the cover plate 140 has an opening in the lower direction. The soft plate 142 is inserted into the insertion part 141 so that the bottom of the soft plate 142 is placed on the upper portion of the spring 130, and the insole 150 is stacked on the top of the cover plate 140. The insole 150, the rear shaft portion is provided with a cushion thick portion 151 so that the cushion thick portion 151 is installed in turn above the spring 130 and the soft plate 142.

The flexible plate 142 is inserted into the insertion part 141 which is formed to open downward, so that the flexible plate 142 does not move away or move in position even though the soft plate 142 repeatedly contacts the upper part of the spring 130. .

When wearing the spring cushion shoe 100 installed insole 150 from the bottom sole 110 as above, the cushion thick portion 151 is inserted into the heel of the foot thick and the spring 130 below Is installed, the upper portion of the spring 130 is projected upward by a predetermined height than the upper surface of the shoe sole body 120 is cushioned by the cushion thick portion 151 and the spring 130.

At this time, the spring 130 is bent inclined downward as the end of the upper bent portion 131 toward the center as seen in Figure 7, the lower end bent portion 132 is bent upwardly inclined Since there is a state, the pointed end of the upper bent portion 131 made of wire in the upper upper bent portion 131 is bent in a "b" shape without contacting any part of the flexible plate 142 or the surrounding material It is possible to prevent damage to the end bent portion 132 in contact with the portion, the lower end bent portion 132 is also bent upwards, the sharp portion of the wire end bent portion 132 is a semi-radial plate 123 and It is possible to prevent damage to the radial plate 123 by not contacting any material around it.

Thus, the upper and lower ends of the spring 130 cover and support the upper and lower portions of the spring without damaging the soft plate 142 and the radial plate 123 in contact with it, and wearing the spring cushion shoe 100 according to the present invention. Whenever the user walks in a state, the spring 130 repeats compression and expansion, and the semi-rigid plate 123 supporting the lower side of the spring 130 is a tough synthetic resin material or a soft fabric or soft synthetic resin material on the upper surface of the rigid plate material. By using the attached to the bottom of the radial groove 123, the lower portion of the spring groove 121 does not bulge down and prevents the radial plate 123 from being damaged.

In addition, the soft plate 142 mounted on the upper side of the spring 130 is formed of a tough rubber material or a soft synthetic resin material having a predetermined cushion, and the cushion thick part 151 is installed thereon to cut the heel portion of the wearer. It provides a cushion together with the cushion thick portion 151, the noise is not generated in the contact portion of the flexible plate 142 and the semi-rigid plate 123 in contact with the spring 130 is repeatedly stretched and up and down will be.

The present invention relates to a spring cushion shoe that is provided with a truncated cone-shaped spring in the rear axle of the shoe sole to provide an excellent cushion, and is an industrially available invention.

Claims

Spring 130 is inserted into the spring groove 121 is formed so that the upper portion is opened to the rear shaft portion of the sole body 120, the cover plate 140 and the insole 150 in turn on the upper portion of the sole body 120 In the spring cushion shoes are installed, the upper 101 is installed on the outer upper portion of the sole body 120;

On one side wall surface of the spring groove 121 is formed a spring end engaging portion 122 is inserted into the end bent portion 132 of the spring 130,

The spring 130 is formed in the form of the upper and lower light, the lower outer diameter portion of the spring 130 is inserted in close contact with the inner circumferential surface of the spring groove 121, the upper portion of the spring inserted into the spring groove 121 is the sole body 120 The upper end of the spring) is installed to protrude by a predetermined height, the lower end bent portion 132 of the coil portion of the spring 130 is bent inclined upwards, the upper end portion 131 of the spring 130 Bent obliquely downward toward the center;

The flexible plate 142 is inserted into the bottom surface of the sole body 120 facing the upper portion of the spring 130;

Spring cushion shoes, characterized in that the configuration is formed with a cushion thick portion 151 is formed of a thick cushion material heel portion of the insole 150 corresponding to the soft plate 142.
According to claim 1, The radial groove 123 for supporting the lower portion of the spring 130 is inserted in the spring groove 121 is installed,

The soft plate 142 is a spring cushion shoe, characterized in that the configuration is inserted into the insertion portion 141 is formed to be opened downward in the rear shaft portion of the cover plate 140.