KR102421694B1 - Shock-absorbing shoe using spring - Google Patents

Abstract

The present invention relates to a shock-absorbing shoe, comprising: a shoe body; and a buffer shoe sole forming a lower part of the shoe body and reducing noise while buffering a load applied from the shoe body. The buffer shoe sole comprises: an outsole which forms a sole and is a part where a bottom surface is in contact with the ground; an upper sole which is disposed on an upper part of the outsole and connected to a lower part of the shoe body; and a buffer unit which has an upper module connected to a heel region of the upper sole; a lower module connected to the heel region of the outsole, forming one body with the upper module, and having a spring groove therein; and a spring disposed on the spring groove and reducing noise while buffering the load applied from the shoe body together with the upper and lower modules. The shock-absorbing shoe can buffer the load, minimize noise generation, and further contribute to productivity improvement.

Description

cushioning shoes {SHOCK-ABSORBING SHOE USING SPRING}

The present invention relates to a cushioning shoe, and more particularly, it can be manufactured in a simpler but more effective structure than in the prior art, so that it can cushion a load, minimize noise generation, and further contribute to productivity improvement It is about cushioning shoes.

Shoes play a role in reducing foot fatigue by protecting people's feet and acting as a shock absorber for certain shocks.

Recently, various types of functional shoes have been introduced in order to more smoothly reduce the impact, and in particular, shoes that use a spring to cushion the impact are being released.

As a related prior art, there is a shock-absorbing shoe presented in Korean Patent Publication No. 10-1034656.

In the prior art as described above, a coil spring is arranged as an elastic body between the outsole and the upper sole, and a fixing body for fixing the coil spring to the top and bottom of the coil spring, and a support member for holding the fixing body are provided and a connection pin for holding the coil spring through the support member and the fixture.

Such a conventional shock-absorbing shoe absorbs the shock received when the wearer walks by the elastic force of the coil spring.

However, when a constant load is continuously applied to the coil spring and the coil spring is compressed, the conventional shock absorbing part as described above has a problem such as damage and damage due to a severe shock due to contact between the coil springs.

In particular, since the cushioning shoe according to the prior art as described above has a structure in which several components are combined, the number of components and the manufacturing process are complicated, and there is a problem in that productivity is lowered because a lot of manual work is required.

In addition, the prior art has a problem in that the function of the shoe especially for the elderly and weak is deteriorated because the weight is increased due to many components, and there is a problem in that noise is generated and durability is reduced due to various parts. In addition, the prior art also has a problem that there is no configuration that can adjust the elastic force of the spring.

Therefore, there is a demand for a thickness measuring apparatus of a new technology to overcome the problems of the prior art as described above.

Republic of Korea Patent Publication No. 10-1034656

It is an object of the present invention to provide a cushioning shoe that can be manufactured in a simpler but more effective structure than in the prior art, which can buffer the load, as well as minimize noise generation, and further contribute to productivity improvement.

The purpose is, the shoe body; and a cushioning sole that forms a lower portion of the shoe body and reduces noise while buffering a load applied from the shoe body, wherein the cushioning sole comprises an outsole as a portion in contact with the ground while forming a sole; an upper sole disposed on the upper part of the outsole and connected to the lower part of the shoe body; and an upper module connected to the heel region of the upper sole, a lower module connected to the heel region of the outsole to form one body with the upper module, and a spring groove formed therein; and a buffer unit having a spring for reducing noise while buffering the load applied from the shoe body side together with the lower module, wherein the buffer unit is further provided with a bellows to the outside of the spring, and the bellows supports the spring However, when not walking, the spring can move along with it while walking, and it is disposed in the spring groove and further includes a spring guide protrusion for guiding the compression or expansion action of the spring, wherein the buffer unit is in the spring groove. It is disposed on the floor, further comprising a spring cap for supporting the spring accommodated in the spring groove, the upper module is made of a relatively hard material, the lower module is made of a softer material than the upper module, A hook for assembling is provided in one of the upper module and the lower module that are coupled in contact, and a hook assembly groove in which the hook for assembly is assembled is formed in the other, and is detachably coupled to the spring groove, and the corresponding It is achieved by a cushioning shoe, characterized in that it comprises a spring sensor for detecting the degree of pressing against the spring of the spring groove.

Doedoe disposed in the spring groove may further include a spring guide protrusion for guiding the compression or expansion action of the spring.

The buffer unit may further include a spring cap disposed on the bottom in the spring groove and supporting a spring accommodated in the spring groove.

The upper module may be made of a relatively hard material, and the lower module may be made of a softer material than the upper module.

The upper module may be made of a thermoplastic polyurethane (TPU) material in the range of 68 to 72, and the lower module may be made of a polyurethane (PU) material having a hardness in the range of 58 to 30 that is weaker than that of the upper module.

A hook for assembly may be provided in one of the upper module and the lower module coupled in contact with each other, and a hook assembly groove in which the hook for assembly is assembled may be formed in the other.

Removably coupled to the spring groove, it may further include a spring sensor for detecting the degree of pressing against the spring of the spring groove.

According to the present invention, since it can be manufactured in a simpler but more effective structure than in the prior art, it is possible to not only buffer the load, but also to minimize noise generation, and furthermore, there is an effect that can contribute to the improvement of productivity.

1 is a perspective view of a cushioning shoe according to a first embodiment of the present invention.
FIG. 2 is a schematic partial exploded view of the cushioning sole of FIG. 1 ;
Figure 3 is an enlarged view of the buffer unit of Figure 2;
4 is an exploded view of FIG. 3 .
5 is a plan view of the lower module;
6 is a view of a state in which the spring cap is coupled to the lower module of FIG. 5 .
7 is a schematic cross-sectional view taken along line AA of FIG. 3 .
FIG. 8 is an exploded view of FIG. 7 .
9 is a structural diagram of a cushioning unit in a cushioning shoe according to a second embodiment of the present invention.
10 is a view of a state in which the spring cap is coupled to the lower module in the cushioning shoe according to the third embodiment of the present invention.
11 is a structural diagram of a cushioning unit applied to a cushioning shoe according to a fourth embodiment of the present invention.

Advantages and features of the present invention, and a method of achieving them, will become apparent with reference to the embodiments described below in detail in conjunction with the accompanying drawings.

However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various different forms.

In the present specification, the present embodiment is provided to complete the disclosure of the present invention, and to completely inform those of ordinary skill in the art to the scope of the present invention. And the invention is only defined by the scope of the claims.

Thus, in some embodiments, well-known components, well-known operations, and well-known techniques have not been specifically described to avoid obscuring the present invention.

Like reference numerals refer to like elements throughout. And the terms used (referred to) herein are for the purpose of describing the embodiments and are not intended to limit the present invention.

In this specification, the singular also includes the plural unless specifically stated in the phrase. In addition, elements and operations (actions) referred to as 'including (or including)' do not exclude the presence or addition of one or more other components and operations.

Unless otherwise defined, all terms (including technical and scientific terms) used herein may be used with meanings commonly understood by those of ordinary skill in the art to which the present invention belongs.

In addition, commonly used terms defined in the dictionary are not to be interpreted ideally or excessively unless defined.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

Figure 1 is a perspective view of a buffer shoe according to a first embodiment of the present invention, Figure 2 is a schematic partial exploded view of the buffer sole of Figure 1, Figure 3 is an enlarged view of the buffer unit of Figure 2, Figure 4 is Figure 3 of the exploded view, FIG. 5 is a plan view of the lower module, FIG. 6 is a view of a state in which the spring cap is coupled to the lower module of FIG. 5, FIG. 7 is a schematic cross-sectional view taken along line A-A of FIG. .

Referring to these drawings, the cushioning shoe 100 according to the present embodiment can be manufactured in a simpler but more effective structure than in the prior art, so that it can buffer the load, minimize noise generation, and further contribute to productivity improvement. make it possible

The cushioning shoe 100 according to the present embodiment that can provide such an effect may include a shoe body 110 and a cushioning sole 120 .

The shoe body 110 refers to the remaining parts except for the cushioning sole 120 . Although the shoe body 110 is applied as a sports shoe in the drawings, the shoe body 110 may be various such as leisure shoes and shoes. Accordingly, the scope of the present invention is not limited to the shape of the drawings.

The cushioning sole 120 is a structure supporting the lower portion of the shoe body 110 . In particular, the cushioning sole 120 applied to this embodiment, unlike the prior art, forms the lower part of the shoe body 110, but serves to reduce noise while buffering the load applied from the shoe body 110 side. do.

The buffer sole 120 may include an outsole 130 , an upper sole 140 , and a buffer unit 150 .

The outsole 130 is a portion in which the bottom surface is in contact with the ground while forming the sole. The outsole 130 may use a material such as an elastic elastomer, PU (polyurethane), or a rubber material to absorb shock and prevent slipping when in contact with the ground.

In addition, the outsole 130 has the properties of the material itself as described above for elasticity and anti-slip properties, as well as protrusions 131 made of a number of protrusions or irregularities on the bottom surface, so that the elasticity and slippage as described above are formed. It is possible to provide more improved functionality for prevention.

The upper sole 140 is a portion that is disposed on the upper portion of the outsole 130 and is connected to the lower portion of the shoe body 110 .

This upper sole 140 provides an installation space for the buffer unit 150 by forming spaced spaces 130a and 140a in the rear axle portion of the outsole 130 while being fixed to the upper portion of the outsole 130, and is resistant to load or impact. It may descend toward the outsole 130 by the or may rise in a direction apart from the outsole 130 by the elastic force of the buffer unit 150 .

The upper sole 140 may be firmly attached to the outsole 130 by bonding, and the insole of the shoe may be seated on the upper surface. For coupling of the upper sole 140 and the outsole 130 , a groove 142 for seat arrangement and a protrusion 132 for seat arrangement may be formed therein. Of course, the groove portion 142 for seating arrangement and the projection portion 132 for seating arrangement are only optional, and do not necessarily have to be formed.

On the other hand, the buffer unit 150 is disposed in the heel region between the outsole 130 and the upper sole 140, and the load applied from the shoe body 110 side together with the outsole 130 and the upper sole 140. It serves to reduce noise while buffering. For the placement of the cushioning unit 150 , the heel areas 130a and 140a of the outsole 130 and the uppersole 140 provide a place for the placement of the cushioning unit 150 .

This cushioning unit 150 is connected to the upper module 160 connected to the heel region of the upper sole 140 and the heel region of the outsole 130 to form a single body with the upper module 160 and a spring groove therein. The lower module 170 in which the 171 is formed, and the spring 180 disposed in the spring groove 171 and reducing noise while buffering the load applied from the shoe body 110 side together with the upper and lower modules 160 and 170 ) is included.

The upper module 160 is a structure connected to the heel region of the upper sole 140 as described above. The upper module 160 is made of a relatively hard material. That is, in this embodiment, the upper module 160 is made of a thermoplastic polyurethane (TPU) material in the range of 68 to 72.

The lower module 170 supports the upper module 160 and the spring 180 while forming one body with the upper module 160 . The lower module 170 is made of a softer material than the upper module 160 . That is, in this embodiment, the lower module 170 is made of a polyurethane (PU) material having a hardness in the range of 58 to 30 which is weaker than that of the upper module 160 .

A spring groove 171 is formed in the lower module 170 . In this embodiment, four spring grooves 171 are formed in the lower module 170 . However, the number of spring grooves 171 may be less or more than four. Accordingly, the scope of the present invention is not limited to the shape of the drawings.

A spring cap 172 may be disposed in the spring groove 171 . The spring cap 172 is disposed on the bottom in the spring groove 171 , and serves to support the spring 180 accommodated in the spring groove 171 .

The upper module 160 and the lower module 170 are separately manufactured, and then assembled (combined) with each other to form a single body. A hook 165 for assembly is provided in one of the upper module 160 and the lower module 170, and the hook assembly groove 175 in which the hook 165 for assembly is assembled is formed in the other.

In this embodiment, the assembly hook 165 is formed in the upper module 160, and the hook assembly groove 175 is formed in the lower module 170, and the reverse case is also sufficiently possible. That is, the hook 165 for assembly may be formed in the lower module 170, and the hook assembly groove 175 may be formed in the upper module 160, and it should be said that all of these matters fall within the scope of the present invention.

As such, when the upper module 160 and the lower module 170 are applied in a prefabricated manner, if the spring 180 force is weakened, the upper module 160 and the lower module 170 are separated later and replaced with a new spring 180. There are advantages that can be

The spring 180 is disposed in the spring groove 171 of the lower module 170 and serves to reduce noise while buffering the load applied from the shoe body 110 side together with the upper and lower modules 160 and 170 .

In this embodiment, the spring 180 is applied as a torsion coil compression spring, and after being respectively disposed in the spring grooves 171 of the lower module 170 , the lower ends thereof by the spring caps 172 in the spring grooves 171 . is supported

If the cushioning shoe 100 to which the cushioning sole 120 of the above-described structure is applied is worn and walking, the load of the wearer of the cushioning shoe 100 is transferred to the cushioning sole 120 and can be buffered. The load applied to the upper module 160 is transmitted to the lower module 170 made of a soft material and is buffered while the lower module 170 is pressed, and in addition, it is buffered by the action of the spring 180 in the lower module 170 . can Accordingly, it is possible to prevent strain on the knee and the like while reducing noise generation. In fact, since the spring 180 acts in a state accommodated in the spring groove 171 , it is possible to provide an advantageous effect for noise reduction.

According to this embodiment, which acts based on the structure as described above, it can be manufactured with a simpler but more effective structure than the prior art, so that it is possible to buffer the load and minimize the noise generation.

9 is a structural diagram of a cushioning unit in a cushioning shoe according to a second embodiment of the present invention.

Referring to this figure, the buffer unit 250 applied to this embodiment is also the upper module 160 connected to the heel region of the upper sole (140, see FIG. 2), and the outsole (130, see FIG. 2) of The lower module 170 connected to the heel region and forming one body with the upper module 160 and having a spring groove 171 formed therein, and disposed in the spring groove 171, together with the upper and lower modules 160 and 170 It includes a spring 180 that reduces noise while buffering the load applied from the shoe body 110 side. Their structure, function, and role are the same as in the above-described embodiment. Therefore, redundant description is avoided.

Meanwhile, in the present embodiment, a spring guide protrusion 275 is further disposed in the spring groove 171 . The spring guide protrusion 275 is disposed in the spring groove 171 and serves to guide the compression or expansion action of the spring 180 .

Even if this embodiment is applied, it can be manufactured in a simpler but more effective structure than in the prior art, so that the load can be buffered, noise generation can be minimized, and furthermore, it can contribute to productivity improvement.

10 is a view of a state in which the spring cap is coupled to the lower module in the cushioning shoe according to the third embodiment of the present invention.

Referring to this figure, even in the case of this embodiment, a spring groove 171 is formed in the lower module 370 , and the spring sensor 390 may be detachably coupled to the spring groove 171 . That is, the spring sensor 390 is detachably coupled to the spring groove 171 , and serves to detect the degree of pressure applied to the spring 180 (refer to FIG. 4 ) of the spring groove 171 .

Therefore, when purchasing a shoe for the first time, put the spring sensor 390 in the spring grooves 171 to use the shoe, and then take out the spring sensor 390 after a certain period of time and check, a plurality of springs 180 . You can detect which one of them works more. When this information is detected, after removing all of the spring detector 390, the spring 180 is replaced with a stronger or weaker spring force, thereby providing an optimized shoe for one's walking habit. There is this. The spring detector 390 may be a device provided as a service concept for later shoe correction.

11 is a structural diagram of a cushioning unit applied to a cushioning shoe according to a fourth embodiment of the present invention.

Referring to this figure, the buffer unit 350 applied to this embodiment may also include an upper module 360 , a lower module 370 and a spring 380 .

At this time, the spring 380 is supported by the spring support 382 . A plurality of spring support 382 and spring 380 may be applied.

On the other hand, the buffer unit 350 of this embodiment is further provided with a bellows 390 to the outside of the spring 380. The bellows 390 serves to support the spring 380 , and allows the spring 380 to move along while walking while being usually attached.

The upper module 360 includes a pyron 361 and a TPU 362 and the lower module 370 is applied as a rubber rubber 370, the bellows 390 and the TPU 362 and the rubber rubber 370 are adhesive can be combined in this way.

The material of the bellows 390 may also be rubber, but if it is a material having elasticity, it may be silicone, urethane, or the like. Accordingly, the scope of the present invention is not limited to these material characteristics.

Even if this embodiment is applied, it can be manufactured in a simpler but more effective structure than in the prior art, so that the load can be buffered, noise generation can be minimized, and furthermore, it can contribute to productivity improvement.

As such, the present invention is not limited to the described embodiments, and it is apparent to those skilled in the art that various modifications and variations can be made without departing from the spirit and scope of the present invention. Accordingly, it should be said that such modifications or variations shall fall within the scope of the claims of the present invention.

100: buffer shoes 110: shoe body
120: buffer sole 130: outsole
140: upper sole 150: buffer unit
160: upper module 165: hook for assembly
170: lower module 171: spring groove
172: spring cap 175: hook assembly groove
180: spring

Claims (7)

shoe body; and
It forms a lower portion of the shoe body, but includes a cushioning sole for reducing noise while buffering the load applied from the shoe body side,
The cushioning sole,
The outsole as a part in which the bottom surface is in contact with the ground while forming the sole;
an upper sole disposed on the upper part of the outsole and connected to the lower part of the shoe body; and
An upper module connected to the heel region of the upper sole, a lower module connected to the heel region of the outsole to form one body with the upper module and having a spring groove formed therein; It includes a buffer unit having a spring for reducing noise while buffering the load applied from the side of the shoe body together with the lower module,
The buffer unit is further provided with a bellows on the outside of the spring,
The bellows supports the spring, but when not walking, the spring can move along with it while walking,
Doedoe disposed in the spring groove further comprising a spring guide protrusion for guiding the compression or expansion action of the spring,
The buffer unit is
It is disposed on the bottom in the spring groove, further comprising a spring cap for supporting the spring accommodated in the spring groove,
The upper module is made of a relatively hard material, and the lower module is made of a softer material than the upper module,
A hook for assembling is provided in one of the upper module and the lower module that are coupled in contact with each other, and a hook assembly groove in which the hook for assembling is assembled is formed in the other,
Buffer shoes, which are detachably coupled to the spring groove, and include a spring sensor for detecting the degree of pressure applied to the spring of the spring groove.
delete delete delete According to claim 1,
The upper module is made of a thermoplastic polyurethane (TPU) material in the range of 68 to 72, and the lower module is made of a polyurethane (PU) material having a hardness in the range of 58 to 30, which is weaker than that of the upper module. cushioning shoes.
delete delete

Images