KR100758023B1 - Insole with shock-absorbing function and manufacturing method thereof - Google Patents

Abstract

An insole with a shock-absorbing function and a manufacturing method thereof are provided to form integrally buffering units on the lower surface of an insole to perform a buffering function more stably and effectively. An insole with a shock-absorbing function is formed by attaching a textile on a bottom plate made of a synthetic resin, and comprises a buffering member(10). The buffering member(10) is made of a synthetic resin material having elasticity to be coupled to the lower surface of a heel part(112) of the bottom plate(110), and to be contracted and restored according to the load to absorb shock. The buffering member(10) includes plural first elastic protrusions(12) protruding downwardly from the lower surface(114). Plural creases(13) are formed on the circumference of the first elastic protrusion.

Description

Insole having a buffering action and a manufacturing method thereof INSOLE WITH SHOCK-ABSORBING FUNCTION AND MANUFACTURING METHOD THEREOF

1 is a perspective view showing an insole having a buffering action according to the spirit of the present invention,

2 is a cross-sectional view showing an insole having a buffering action according to a preferred embodiment of the present invention;

3 is a perspective view showing an insole having a buffer action according to another embodiment of the present invention,

4a to 4e are views sequentially showing the assembly process of the insole shown in FIG.

5 is a cross-sectional view showing an insole having a buffer action according to another embodiment of the present invention,

6 is a perspective view showing an insole having a buffer action according to another embodiment of the present invention,

7 is an exploded perspective view showing an insole having a buffering action shown in FIG.

Figure 8a is a cross-sectional view showing the insole having a buffer action shown in Figure 6,

8B is a cross-sectional view showing a modification of the insole having a buffering action shown in FIG. 6;

9 is a manufacturing process chart for explaining a manufacturing method of the insole having a buffering action according to a preferred embodiment of the present invention.

Explanation of symbols on the main parts of the drawings

10,10 ', 10 ": Shock Absorber

12,12 ', 12 ",: first elastic protrusion

13,13 ', 13 ", 15,15', 15": Wrinkle

14,14 ', 14 ": 2nd elastic protrusion

16: main home

17 cap

18: accommodation home

19: spring

20: supporter

22: insertion groove

30: holding plate

40: support plate

100: Insole

110: bottom plate

The present invention relates to an insole having a buffering action and a method for manufacturing the same, and more particularly, an insole having a buffering action which is installed on an inner bottom surface of a shoe and configured to relieve an impact force acting from the ground to the sole during walking. It relates to a manufacturing method thereof.

In general, various shoes such as shoes, sneakers, etc., the upper forming the appearance of the shoe, the outsole (Outsole) in contact with the ground, the midsole (midsole) is installed on the upper side of the outsole and the insole (Insole; in contact with the bottom of the foot) ) Is configured. And since shoes must be worn at all times during human activities, various functions must be performed, such as shocks, improved fit, and improved hygiene.

In particular, while walking, the foot is easily fatigued by the impact force transmitted from the sole, and when severe, it causes musculoskeletal disorders. Therefore, various shoes have been developed to absorb the impact force more efficiently in consideration of this point. In the Korean Utility Model Publication No. 87-12954, "Shoe Buffer", the Utility Model Publication No. 1991-0001788, "Shoe Sole", and the Utility Model Publication No. 20-0290570 Shoes with shock absorber "," shock-absorbing shoes "of the corrected notification registration No. 20-0330641 by the technical evaluation," functional shoes with a spring "of the Utility Model Publication No. 20-0343775, and Registered Utility Model Publication No. 20-0360286, "Air Circulation Shock Absorbing Shoes", Registered Utility Model Publication No. 20-0374026, "Shoes", etc. Registered Utility Model Publication No. 20-0261981, "Shock Absorption Pad Structure of Shoes", Publication No. 10-2006-0069980, "Shock Absorbing Functional Shock Absorber for Functional Well-Being Shoes," and Registration Utility Model Publication No. 20-0400116, "Shoe soles with shock absorbers," etc. are presented.

However, looking at the prior art as described above, the shock absorbing structure is configured in the midsole or the sole, which is a fixed component of the shoe is integrally formed at the time of manufacture of the shoe to perform the shock absorbing action, so purchase the entire shoe equipped with such a shock absorbing structure There was a problem that can be used.

Accordingly, an insole has been proposed that can be easily mounted on a general shoe to perform a cushioning function even without purchasing a specific shoe provided with a buffer structure.

As a prior art of such insoles, Patent No. 10-0576381, "Shoes with insoles," has been proposed. According to this, insoles are provided to protect the feet of pedestrians, the insoles are interconnected. A plurality of aeration holes perforated to pass through and a buffer receiving groove formed at a bottom surface of the bottom of which the heel is seated while passing through the aeration hole, the insole pad being fitted into the shoe; It is made of a flexible material case equipped with an air injection hole to supply air to the ventilator is provided in the buffer receiving groove and an elastic member embedded in the case to absorb the impact force of the heel, the heel of the heel to maintain the breathability inside the shoe It consists of a shock absorber that absorbs the impact force and supplies air to the vent through the air injection hole.

However, according to the insole as described above, but the shock absorbing function is performed according to the operation of the elastic member in the state selectively installed inside the shoe to reduce the fatigue of the pedestrian, but the shock absorber that performs the buffering action Since the structure is inserted into the bottom surface of the insole pad, it is detached during its use and the case is broken or the elastic member is broken, and thus the cushioning function cannot be performed, and the internal structure of the shoe is damaged or the sole of the body is damaged due to the breakage of the case or the elastic member. This caused a safety problem that injured the part. In addition, during use, the shock absorber swings in the buffer receiving groove of the insole pad, and the elastic member inside the shock absorber rubs with the case, causing noise. Since the shock absorber is easily separated from the buffer receiving groove in the process of installing and separating into the inside, there was a problem that its use is very inconvenient.

Therefore, the present invention has been made to solve the conventional problems as described above by forming a buffer means integrally on the bottom surface of the insole is a new form of the buffer function is more stable and effective to perform and improve the ease of use and manufacturability An object of the present invention is to provide an insole having a buffering action and a method of manufacturing the same.

According to a feature of the present invention for achieving the above object, in the insole formed by attaching the fabric on the bottom plate made of synthetic resin, the bottom surface 114 of the heel portion 112 of the bottom plate 110 It is coupled to and includes a buffer member 10 formed of a synthetic resin material having elasticity so that the impact force is absorbed while shrinking and restoring according to the load applied during walking.

In the insole according to the present invention, the buffer member 10 has a plurality of first elastic protrusions 12 protruding downward from the bottom surface 114, of the first elastic protrusions 12 It is characterized in that a plurality of pleats 13 are contracted and restored in the vertical direction around the side.

In the insole according to the present invention, the buffer member 10 is protruded inclined toward the front of the bottom plate 110 on the front side of the first elastic projection 12, a plurality of vertically around the side It characterized in that it further comprises a second elastic protrusion 14, the pleats 15 are formed.

In the insole according to the present invention, it is characterized in that the spring 19 to be contracted and restored in the vertical direction is inserted into the buffer member 10 is formed integrally.

According to another feature of the present invention for achieving the above object, in the insole formed by attaching the fabric on the bottom plate made of synthetic resin, the bottom surface 114 of the heel portion 112 of the bottom plate 110 Including a cushioning member 10 'coupled to the top; The buffer member 10 'is provided with a plurality of receiving grooves 18 downward from the upper surface, and protrudes downward from the lower surface at positions corresponding to the plurality of receiving grooves 18, respectively, and elastic projections 12'. And a frame 11 on which 14 'is formed; It is provided with a spring 19 is inserted into each of the plurality of receiving grooves (18).

In such an insole having a buffering action according to the present invention, the frame 11 is located so that the plurality of receiving grooves 18 are located inward so as to be lower than the depth of the plurality of receiving grooves 18 from the upper surface downward. It has a main groove 16 is formed, the buffer member 10 'is formed with an insertion groove 22 is formed in which the spring 19 is inserted in the inner side, it is inserted into the main groove 16 to be coupled The supporter 20 may be further formed.

In such an insole having a buffering action according to the present invention, the buffer member 10 ′ may further include a holding plate 30 coupled to the upper surface of the frame 11 to compress the spring 19. have.

According to another feature of the present invention for achieving the above object, in the insole formed by attaching the fabric on the bottom plate made of synthetic resin, the bottom surface 114 of the heel portion 112 of the bottom plate 110 And a cushioning member 10 "formed of a synthetic resin material having elasticity to absorb shock force while being contracted and restored according to a load applied when walking. A support plate 40 coupled to the bottom surface 114 of the heel portion 112 of the 110; A plurality of elastic protrusions 12 " and 14 " protruding from the bottom surface of the support plate 40; It is characterized in that it comprises a spring 19 is inserted into each of the elastic projections 12 ", 14" and integrally molded.

According to another feature of the present invention for achieving the above object, the present invention is a method of manufacturing an insole formed by attaching a fabric on the bottom plate made of synthetic resin, a plurality of elastic protruding downward on the bottom Molding the shock absorbing member having the protrusion (S520); It characterized in that it comprises a step (S530) for pressing the buffer member to the bottom plate attached to the fabric.

In the manufacturing method of the insole according to the present invention as described above, the step of molding the buffer member is characterized in that the spring is inserted into the elastic projection to be formed integrally.

1 is a perspective view showing an insole having a buffering action according to the technical idea of the present invention.

Referring to Figure 1, the insole 100 having a cushioning action according to the present invention is a bottom plate 110 formed to perform a cushioning action, the fabric (not shown) attached to the top surface of the bottom plate 110, The shock absorbing member 10 is integrally coupled to protrude downward on the bottom surface 114 of the heel portion 112 of the bottom plate 110. The buffer member 10 includes a plurality of first elastic protrusions 12 formed to protrude downward from the bottom surface 114 of the bottom plate 110, and a bottom plate at the front side of the first elastic protrusions 12. It is configured to have a second elastic protrusions 14 protruding obliquely toward the front of the 110, so that the shock-absorbing effect can be performed by the first and second elastic protrusions 12, 14 formed integrally. . In addition, the first elastic protrusions 12 and the second elastic protrusions 14 form a plurality of wrinkles 13 and 15 which are contracted and restored upward and downward in the circumference of the side, so that the walking and restoring action of the wrinkles is performed. Minimize the impact force transmitted from the ground.

Such insole 100 has a cushioning action according to the present invention is a heel portion 112 of the sole plate 110, the impact force transmitted from the ground when walking and walking shoes wearing the insole 100 is inserted. The first elastic absorber is first absorbed by the vertical contraction and restoring action of the buffer member 10 protruding from the bottom surface 114, that is, the pleats 13 formed around the first elastic protrusion 12. It is absorbed secondary by the vertical contraction and restoration action of the pleats 15 formed around the circumference 14).

On the other hand, the insole 100 having a buffering action according to the present invention is configured to apply a variety of techniques to the buffer member 10 integrally to the bottom plate 110. For example, the insole 100 having a buffering action according to the present invention, as shown in Figures 1 and 2, may be applied to the method of forming the buffer member 10 integrally formed on the bottom plate 110, As shown in FIGS. 3 to 5 or 6 to 8b, the buffer members 10 ′ and 10 ″ may be separately configured and thermally fused to the separately formed bottom plate 110 so that the integrated method may be applied. will be.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings, FIGS. 2 to 9, and like reference numerals denote like elements for performing the same function in FIGS. 2 to 9. On the other hand, in the drawings, the technical details, such as components and manufacturing methods of the general insoles are parts that can be easily understood by those skilled in the art, so it is briefly omitted or omitted and shown mainly on the parts related to the present invention. It was.

2 is a cross-sectional view showing an insole having a buffering action according to a preferred embodiment of the present invention.

2, the insole 100 having a buffering action according to the present invention is a bottom plate 110 formed to perform a cushioning action, the fabric (not shown) attached to the upper surface of the bottom plate 110, The shock absorbing member 10 protrudes downward on the bottom surface 114 of the heel portion 112 of the bottom plate 110. In this case, the buffer member 10 includes a plurality of first elastic protrusions 12 formed to protrude downward from the bottom surface 114 of the bottom plate 110, and a bottom plate (front) of the first elastic protrusions 12. It is provided with a second elastic protrusion 14 protruding obliquely toward the front of the 110, the spring 19 is inserted into the buffer member 10 is formed integrally. In addition, the first elastic protrusions 12 and the second elastic protrusions 14 are formed with a plurality of wrinkles (13, 15) are contracted and restored in the vertical direction around the side.

Such insole 100 according to this embodiment is to insert the spring 19 when forming the bottom plate 110 to be molded integrally. Of course, although not described in detail in this embodiment, various injection and foaming methods may be applied to form the insole 100 according to this embodiment. For example, when the double injection method is applied, the bottom plate 110 and the buffer member 10 may be formed by different materials or colors.

Such insole 100 having a buffering action according to the present embodiment is integrally configured by inserting a spring 19 into the first elastic protrusion 12 (the second elastic protrusion as in the preferred embodiment of the present invention to be described later) The spring 19 may be provided in the configuration 14, so that the impact force transmitted from the ground during walking can be minimized. Since the insole 100 according to the present embodiment has a structure in which the spring 19 is embedded in the first elastic protrusion 12 so as not to be separated, the problem that the spring is separated or broken during walking in the prior art is prevented and continuously. It is possible to perform a stable shock absorbing action.

3 is a perspective view showing an insole having a buffering action according to another preferred embodiment of the present invention, Figures 4a to 4e sequentially showing the assembly process of the insole shown in Figure 3, Figure 5 is another preferred embodiment of the present invention Sectional drawing which shows the insole which has a buffer action according to an Example.

3 to 5, the insole 100 having a buffering action according to another preferred embodiment of the present invention is the bottom plate 110 and the bottom plate 110 having a buffer similar to the above-described embodiment And a buffer member 10 ′ attached to and attached to the bottom surface 114 of the heel portion 112 of the fabric 110 and the bottom plate 110.

In the present embodiment, the cushioning member 10 ′ has a lower cap 17 to allow the frame 11 and the spring 19 to be seated thereon, and a supporter 20 and a holding plate to increase the buffering effect inside the frame 11. (30).

At this time, the frame 11 of the buffer member 10 'is formed with a plurality of receiving grooves 18 downward from the upper surface, and protrudes downward from the lower surface at a position corresponding to these receiving grooves 18, respectively First elastic protrusions 12 'and second elastic protrusions 14' are formed. In addition, the first elastic protrusion 12 'and the second elastic protrusion 14' form a plurality of pleats 13 'and 15' around to mitigate an impact transmitted from the ground during walking. In addition, the main groove 16 is formed in the frame 11 such that the receiving groove 18 is located inward so as to be lower than the depth of the receiving groove 18 from the upper surface.

On the other hand, the cap 17 has a hemispherical shape to form a groove so that the spring 19 is seated therein, and is inserted into the receiving groove 18 formed inside the buffer member 10 '. The cap 17 supports the spring 19 to prevent the frame 11, which is a relatively weak synthetic resin material, from being damaged.

In addition, the supporter 20 is preferably applied to the polyurethane (Purethane; P.U) to increase the cushioning action in the inner side compared to the frame 11 having a relatively high hardness. The supporter 20 has an insertion groove 22 formed at a position corresponding to the receiving grooves 18 of the frame 11, and is coupled to the main groove 16 of the frame 11 to support the spring 19. While buffering. Therefore, the supporter 20 has the same shape as the main groove 16 of the frame 11 and has a height smaller than the depth of the main groove 16.

On the other hand, the holding plate 30 is compressed to be coupled to the upper surface of the frame 11 to prevent the separation of the cap 17, the supporter 20 and the spring 19, the upper surface is insole 100 bottom plate 110 The heel portion 112 of the bottom 114 is compressed and coupled.

Looking at the assembly relationship of the insole 100 having a buffering action according to an embodiment of the present invention having such a component, referring to Figures 4a to 4e, as shown in Figure 4b in the same state as in Figure 4a, Caps 17 are inserted into and coupled to the plurality of receiving grooves 18 formed downward from the upper surface of the frame 11, respectively. By inserting the cap 17 into the receiving groove 18 of the frame 11 in this way, it is possible to prevent the frame 11 from being damaged by the spring 19. 4C, the supporter 20 is inserted into the main groove 16 in a state in which the cap 17 is coupled to the receiving groove 18 of the frame 11. And, as shown in Figure 4d, the spring 19 is inserted through the insertion groove 22 formed in the supporter 20 to be seated in the cap 17 is first coupled. In this state, as shown in FIG. 4E, the holding plate 30 is thermally bonded to the upper surface of the supporter 20 to be coupled. Finally, the shock absorbing member 10 'configured as described above is pressed onto the bottom surface 114 of the heel portion 112 of the bottom plate 110, thereby being coupled to each other, thereby providing an insole 100 having a bonding state as shown in FIG. 5. To complete).

The insole 100 having a shock absorbing action according to the embodiment of the present invention is configured by pressing the shock absorbing member 10 ′ on the bottom surface 114 of the heel portion 112 of the bottom plate 110.

6 is a perspective view showing an insole having a buffering action according to another preferred embodiment of the present invention, Figure 7 is an exploded perspective view showing an insole having a buffering action shown in Figure 6, Figure 8a is a buffering action shown in Figure 6 8B is a cross-sectional view showing a modification of the insole having a buffering action shown in FIG.

6 and 7, the insole 100 having a buffering action according to another preferred embodiment of the present invention is a fabric attached to the bottom plate 110 and the top surface of the bottom plate 110 having a buffer ( And a buffer member 10 ″ attached to the bottom surface 114 of the heel portion 112 of the bottom plate 110.

In this embodiment, the cushioning member 10 "in the insole 100 is a support plate 40 coupled to the bottom surface 114 of the heel portion 112 of the bottom plate 110, and the support plate 40 The first elastic protrusion 12 ″ protruding toward the lower surface and having a plurality of corrugations 13 ″ formed in the vertical direction, and inclined toward the front of the bottom plate 110 in front of the first elastic protrusion 12 ″. The second elastic protrusion 14 "which protrudes and has a plurality of wrinkles 15" formed in the up and down direction, and the spring 19 which can contract and restore in the up and down direction are inserted in the first elastic protrusion 12 ". In this embodiment, the first elastic projections 12 "and the second elastic projections 14" are elastic polyurethanes so as to absorb the impact force transmitted from the ground during walking. PU), and the support plate is foamed and formed by EAV resin having excellent buffering effect.

Such a cushioning member 10 "of the insole 100 according to the present embodiment is different from the above-described embodiment, the first elastic projection 12" and the second elastic projection 14 "on the bottom of the support plate 40 ) Is shown integrally formed in the present embodiment, and the present embodiment shows an example in which the spring 19 is inserted into the first elastic protrusion 12 ″. At this time, the method of embedding the spring 19 may be put only the spring 19, as shown in Figure 8a, but in order to effectively support the spring 19 in the mold and stable support of the spring 19 and Likewise, the cap 17 can be inserted into the spring 19 below.

9 is a manufacturing process chart for explaining a manufacturing method of the insole having a buffering action according to a preferred embodiment of the present invention.

Referring to Figures 7 and 9, the manufacturing method of the insole having a buffering action according to a preferred embodiment of the present invention step of forming the bottom plate 110 (S500), the top surface of the bottom plate 110 Bonding (S510), molding the cushioning member 10 "(S520), and forming the cushioning member 10" on the bottom surface 114 of the heel portion 112 of the bottom plate 110. Compression and bonding step (S530), and cutting step (S540) is included.

Here, the step of forming the shock absorbing member 10 "is assembled by inserting a spring 19, which is formed to contract and restore up and down in the groove of the hemispherical cap 17 in the longitudinal direction, to form the backing plate 40. Inserted at a predetermined interval into the mold (mold) to inject, and the polyurethane resin is injected to form the support plate 40 and at the same time integrate the cap 17, the support plate 40 and the spring 19 is assembled to the first Forming a cushioning member 10 "having an elastic protrusion 12". At this time, a cap (at a fixed position of the cap 17 of the support plate forming mold corresponding to the position where the first elastic protrusion 12 "is formed) is formed. 17) Injection molding is inserted downward.

In addition, the step of pressing and coupling the molded buffer member 10 ″ on the bottom surface 114 of the heel portion 112 of the bottom plate 110 may include a top surface of the support plate 40 having a heel portion of the bottom plate 110. (112) The step of thermally fusion bonding on the bottom surface 114, the buffer member 12 "and the bottom plate 110 through this process is integrally formed to form the insole 100.

As described above, the insole having a buffering action according to a preferred embodiment of the present invention and a manufacturing method thereof are shown in accordance with the above description and drawings, but this is only an example and is not limited to the scope of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made therein.

According to the insole having a buffering action according to the present invention and a manufacturing method thereof, the buffer means for performing the buffering action is integrally formed on the bottom plate of the insole, so that it is not detached or broken during its use, so that durability is improved and stable buffering action is continued. It can be carried out, the problem that damages the internal structure of the shoe or the user is injured during its use is prevented in advance.

Claims (10)

In insole formed by attaching the fabric on the bottom plate made of synthetic resin, The buffer member 10 is coupled to the bottom surface 114 of the heel portion 112 of the bottom plate 110 is formed of a synthetic resin material having elasticity so that the impact force is absorbed while being contracted and restored according to the load applied during walking. Insole having a buffering action, characterized in that it comprises a. The method of claim 1, The buffer member 10 has a plurality of first elastic protrusions 12 formed to protrude downward from the bottom surface 114, and is contracted and restored in the vertical direction around the side surfaces of the first elastic protrusions 12. Insole having a buffer action, characterized in that a plurality of wrinkles (13) are formed. The method of claim 2, The shock absorbing member 10 protrudes inclined toward the front of the bottom plate 110 at the front side of the first elastic protrusion 12, and has a second elasticity in which a plurality of wrinkles 15 are formed in the vertical direction around the side surface. Insole having a buffer action, characterized in that it further comprises a projection (14). The method according to any one of claims 1 to 3, Insole having a cushioning action, characterized in that the spring 19 is inserted into the buffer member 10 is contracted and restored in the vertical direction is formed integrally. In insole formed by attaching the fabric on the bottom plate made of synthetic resin, A cushioning member (10 ') coupled to the bottom surface (114) of the heel portion (112) of the bottom plate (110); The buffer member 10 'is provided with a plurality of receiving grooves 18 downward from the upper surface, and protrudes downward from the lower surface at positions corresponding to the plurality of receiving grooves 18, respectively, and elastic projections 12'. And a frame 11 on which 14 'is formed; Insole having a cushioning action, characterized in that it comprises a spring (19) is inserted into each of the plurality of receiving grooves (18). The method of claim 5, The frame 11 has a main groove 16 formed to be lower than the depth of the plurality of receiving grooves 18 in a downward direction from the upper surface so that the plurality of receiving grooves 18 are located inside, The buffer member 10 ′ further includes an inserting groove 22 in which the spring 19 is inserted and positioned, and includes a supporter 20 formed to be inserted into and coupled to the main groove 16. Insole having a buffering action, characterized in that. The method of claim 5 or 6, The buffer member (10 ') is insole having a cushioning action, characterized in that it further comprises a holding plate (30) coupled to the upper surface of the frame (11) to allow the spring (19) to be compressed. In insole formed by attaching the fabric on the bottom plate made of synthetic resin, The buffer member 10 "coupled to the bottom surface 114 of the heel portion 112 of the bottom plate 110 is formed of a synthetic resin material having elasticity so that impact force is absorbed while being contracted and restored according to a load applied when walking. Including; The buffer member 10 "includes a support plate 40 coupled to the bottom surface 114 of the heel portion 112 of the bottom plate 110; A plurality of elastic protrusions 12 " and 14 " protruding from the bottom surface of the support plate 40; An insole having a cushioning action, characterized in that it has a spring (19) which is inserted into each of the elastic protrusions (12 ", 14") and integrally molded. In the manufacturing method of the insole is formed by attaching the fabric on the bottom plate made of synthetic resin, Molding a buffer member having a plurality of elastic protrusions protruding downward on the bottom surface (S520); Method of manufacturing an insole having a buffering action, characterized in that it comprises a step (S530) for pressing the buffer member to the bottom plate attached to the fabric. The method of claim 9, Forming the buffer member is a manufacturing method of the insole having a buffering action, characterized in that the spring is inserted into the elastic projection to be formed integrally.

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