KR101446270B1 - An ankle foot orthosis - Google Patents

Abstract

The present invention relates to a foot support device for protecting a foot part of a patient, particularly a paralytic patient, by wrapping or releasing an elastic string for fixing the cover when wearing or removing a cover for covering the foot part, The present invention relates to a foot support having improved support performance and wearing comfort that is easily worn and detached by easily loosening a loosened elastic string by wrapping a foot or Achilles tendon with a large movement in a soft and comfortable flexible material, .
In order to accomplish this, a foot support according to the present invention with improved support performance and comfort is provided with an arch-cover that wraps the arch of the sole in the body, a calf-cover that surrounds the calf of the leg, A bottom cover body including a relay section for interconnecting the cover and the keeper cover, and a relay cover formed in the relay section and having an opening for allowing the heel and the tendons thereof to be exposed to the outside; A top cover body disposed on the bottom cover body, the top cover body including a top cover surrounding the foot and ankles connecting the shank and the ankle; A rear cover body including a rear cover surrounding the tendon of the heel and disposed at an opening of the relay cover in the bottom cover body; An endless elastic string arranged in zigzags alternating between opposite ends of the arch cover of the bottom cover body through the relay cover of the rear cover body starting from both ends of the keel cover of the bottom cover body; Mounting means for installing the elastic string on the keel cover, the arch cover, the top cover and the rear cover so that the elastic string can be moved along its arrangement line; And a control unit mounted on a rear side of the cover cover of the bottom cover body to perform winding and unwinding operations on the elastic string.

Description

AN ANKLE FOOT ORTHOSIS BACKGROUND OF THE INVENTION [0001]

The present invention relates to a foot orthosis for wrapping a patient's foot, comprising an ankle supporting an arch of the sole, particularly an ankle that connects the foot and shin with the ankle, and an ankle joint gently wrapping the Achilles tendon, The present invention relates to a foot orthosis having improved support performance and wearing comfort that can be easily worn, easily pulled, and easily worn and detached (separated from a foot).

Patients, especially paralytic patients, are nerve injuries, so they can not properly lift one of their left and right feet and can not achieve a normal gait pattern, which causes them to be grounded and unable to raise their feet during walking, , Especially when the foot is hit on the protrusion of the ground.

In order to solve such a problem, there is a technique related to Ankle Foot Orthosis (AFO)

Korean Patent Registration No. 10-0446555 (registered on August 23, 2004, referred to as "prior art"), a "cast joint cast member for fracture fixation"

The above-described prior art includes a foot fixing member, a connecting member, and a knee fixing member, and the foot fixing member is formed to form a pair of two to cover the feet from the sole to the ankle upper part (all of the soleus) The knee fixing member is formed so as to be able to fix the knee from the knee to the middle part of the femur, and the foot fixing member, the connecting member, and the knee fixing member are formed by bolts And is configured so that it can be used independently or as a connection body by fastening,

Since each of the foot fixing member, the connecting member and the knee fixing member is fixed to the body by using a Velcro (aka squeaky), at least three times of attaching the Velcro should be performed to wear it, and also, do.

The Achilles tendon, which is the tendon of the heel, is in close contact with the inner surface of the foot fixing member, which pushes the Achilles tendon, thereby increasing the fatigue of the Achilles tendon.

An object of the present invention is to provide a foot orthosis with improved support performance and wearing comfort that enables each cover covering the foot of the body to be brought into close contact with or released from the foot by one-touch operation of one adjustment unit.

Further, according to the present invention, it is possible to provide a foot orthosis which is made of a flexible neo-plan material covering a cover for covering an instep and an Achilles tendon, The purpose is to provide.

The present invention further provides a pull-unit for pulling loosened elastic strings more loosely so as to provide a foot support with improved support performance and wearing comfort so that the wearer can wear and remove the loosened elastic string more easily It has its purpose.

According to an aspect of the present invention, there is provided a foot orthosis comprising:

An arch cover covering the arch of the soles of the body in the body, a calf-cover covering the calf of the leg, and a relay part interconnecting the arch cover and the keeper cover, A bottom cover body including a relay cover having an opening portion through which the tendons thereof are exposed to the outside;

A top cover body disposed on the bottom cover body, the top cover body including a top cover surrounding the foot and ankles connecting the shank and the ankle;

A rear cover body including a rear cover surrounding the tendon of the heel and disposed at an opening of the relay cover in the bottom cover body;

An endless elastic string arranged in zigzags alternately at both ends of the arch cover of the bottom cover body through the rear cover of the rear cover body starting from both ends of the keel cover of the bottom cover body;

Mounting means for installing the elastic string on the keel cover, the arch cover, the top cover and the rear cover so that the elastic string can be moved along its arrangement line; And

A control unit mounted at a rear side of the keeper cover of the bottom cover to perform a winding and an unwinding operation with respect to the elastic string;

.

The arch cover of the bottom cover body is formed with an arch side support extended from both ends thereof,

And the keel cover of the bottom cover body is formed with a keel-side support extended from both ends thereof.

The top cover of the top cover body and the rear cover of the rear cover body are made of a flexible material.

In addition, a pull-body having a U-shaped shape disposed at an upper portion of the top cover of the top cover body and a pull-unit having two through holes formed at each end of the pull body and,

And the elastic string passes through the two through-holes of the pull unit.

The foot support apparatus according to the present invention, which has improved support performance and comfort,

There is the greatest effect that each cover covering the foot of the body can be brought into close contact with or released from the foot by one-touch operation of one adjustment unit.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic view showing a joint three-
Fig. 2 is an exploded perspective view showing the rear side of Fig. 1,
Fig. 3 is an assembled three-dimensional view showing the rear side of Fig. 1,
Fig. 4 is an exploded perspective view showing a regulating unit having switching means of the first embodiment; Fig.
Fig. 5 is a cross-sectional structural view of Fig. 4,
Figs. 6 and 7 are cross-sectional and plan views of the operating state of Fig. 4,
8 is an exploded perspective view showing a regulating unit having the switching means of the second embodiment,
Fig. 9 is a cross-sectional structural view of Fig. 8,
Figs. 10 and 11 are an operating state sectional view and plan view of Fig. 8,
12 is a three-dimensional view showing the elastic spring fixing structure in the switching means of the second embodiment;
Fig. 13 is an exploded stereoscopic view showing the adjustment unit of the modified example,
Fig. 14 is a cross-sectional structural view of Fig. 13; Fig.

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

Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concepts of the terms appropriately It should be interpreted in accordance with the meaning and concept consistent with the technical idea of the present invention based on the principle that it can be defined. Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention and are not intended to represent all of the technical ideas of the present invention. Therefore, various equivalents It should be understood that water and variations may be present.

1, the arch cover side of the bottom cover body is set to the lower or the lower side, the keeper cover side is set to the upper or upper side, the top cover side of the top cover body is set to the front or front, (Rear) or backward direction.

1 to 7, the foot support according to the present invention, which has improved support performance and comfort,

The bottom cover body 60, the top cover body 70, the rear cover body 80, the elastic string S, the mounting means 90 and the adjustment unit CU.

Looking at each configuration,

The bottom cover 60

As shown in Figs. 1 to 3,

It is intended to wrap the calf of the foot and the leg arch of the body,

An arch-cover 61 surrounding the arch of the sole,

A calf-cover 62 surrounding the calf of the leg, and

A relay cover 631 for interconnecting the arch cover 61 and the keeper cover 62 and a relay cover 631 formed in the relay portion 631 and having an opening 632 for exposing the heel and tendons thereof to the outside, (63)

.

The arch cover 61 is formed with arch side supports 611 extending from both ends of the arch cover 61 so that the arch side supports 611 can cover the both side portions of the arches of the sole, So that the arch of the sole can be wrapped around.

In addition, the keel side support 621 extends from both ends of the keel cover 62 to allow the keel side support 621 to further wrap the both sides of the calf, so that the entire calf is more stably wrapped .

The arch cover 61, the keeper cover 62, and the relay cover 63 are preferably made of polypropylene.

The top cover member 70

As shown in Figs. 1 to 3,

And is disposed above the bottom cover body 60 so as to surround the ankle joints between the foot and the shank,

A top-cover 71 surrounding the instep and the ankles connecting the shin,

.

Here, 'ankle connecting foot and shin' means an area of anterior region in the ankle where the foot meets the foot.

The top cover 71 is preferably made of a flexible neoprene material.

The rear cover member 80

As shown in Figures 2 and 3,

(632) of the relay cover (63) in the bottom cover body (60) in order to wrap the tendon of the heel,

A rear-cover 81 surrounding the tendon of the heel (achilles tendon)

.

Here, the rear cover 81 is preferably made of a flexible neoprene material.

The elastic string (S)

As shown in Figures 1 and 3,

The cover cover 61 of the bottom cover body 60 passes through the rear cover 81 of the rear cover body 80 starting from both ends of the cover cover 62 of the bottom cover body 60, And an endless structure of an elastic material arranged alternately at both ends in a staggered manner.

More specifically,

The elastic string S starts from the starting point of one end of the keeper cover 62 of the bottom cover body 60 and turns on the other end of the keeper cover 62 across the top cover 71, After arriving at one end of the keeper cover 62 across the cover 71 and then entering backward again and arriving at the one end of the arch cover 61 across the rear cover 81, And then enters the rear end of the arch cover 61 across the rear cover 81 and turns at the one end of the keeper cover 62 across the rear cover 81 and again across the top cover 71 And is arranged so as to arrive at the other end of the keeper cover 62, that is, arranged so as to stitch strings in a sneaker, but in the present invention, the rear cover is arranged to pass through the rear cover 81.

The mounting means 90

As shown in Figs. 1 to 3,

The elastic string S is installed in the keeper cover 62, the arch cover 61, the top cover 71 and the rear cover 81 so that the elastic string S can be moved along the arrangement line thereof. For example,

First, the 'array line' means a line in which the elastic string S is arranged along the covers 61, 62, 71, and 81.

The mounting means 90 of one example

At least two keff attachment portions 91 integrally formed at both ends of the keel cover 62 and having holes through which the elastic string S passes,

At least two arch mounting portions 92 integrally formed at both ends of the arch cover 61 and having holes through which the elastic string S passes,

Two or more top mounting portions 93 formed integrally with the top cover 71 so as to be vertically arranged at the center and having holes through which the elastic string S passes,

A rear mounting portion 94 integrally formed at the rear center of the rear cover 81 and having an opening for allowing the elastic string S to pass therethrough,

.

As described above, the elastic string S passes through the holes of the respective mounting portions 91, 92, 93, and 94 in a zigzag fashion.

The top mounting portion 93 formed on the top cover 71 and the rear mounting portion 94 formed on the rear cover 81 may be formed as separate members and then attached to the respective covers.

For example, a plate member and a member protruding from one surface of the plate member and having a fitting portion having a hole therein are provided, and then the plate member of the member is sewn to the top cover 71 and the rear cover 81, You can.

The present invention is provided with an auxiliary mechanism for loosening the elastic string S unrolled by the adjustment unit CU more loosely, and a pull-unit may be provided as the auxiliary mechanism.

The full unit (PU)

As shown in Figure 1,

A U-shaped full body PU1 disposed on the top cover 71 of the top cover 70,

Two through holes PU2 formed at the respective ends of the full body PU1,

.

At this time, the elastic string S passes through the two through-holes PU2 of the pull unit PU.

Therefore, the elastic string S loosened by the adjustment unit CU is released more loosely by the pull body PU1 pulled forward.

The top mounting portion 93 is positioned between both ends of the full body PU1 so that the left and right movement of the full body PU1 is limited by the top mounting portion 93. [

Prior to the description of the control unit (CU)

4 is a bottom perspective view of the corresponding portion, and "B" in Fig. 4 is an exploded perspective view of the configuration "A"

6 is a view showing a separated structure of the bolt and the projection.

FIGS. 6 and 10 [A] are sectional views in the state in which the elastic string is wound, and [B] are partial flat sectional views at this time.

Figs. 7 and 11 [A] are sectional views in the state where the elastic string is loosened, and [B] are partial flat sectional views at this time.

The control unit (CU)

As shown in Figs. 4 to 14,

Is mounted on the back of the keeper cover 62 of the bottom cover 60 to perform winding and unwinding operations on the elastic string S,

And comprises a housing 10 and a rotating unit 20.

Looking at each configuration,

The housing (10)

As shown in Figs. 4 and 5,

Receptor 11, and

A body 12 formed on one side of the receptor 11,

.

At this time, the receptor (11)

A receiving space part 111 in which an upper part is opened,

A center shaft 112 protruding upward from the center of the bottom of the receiving space 111,

A plurality of unidirectional ratchet 113 arranged radially along the inner peripheral surface of the upper end inner wall of the accommodating space 111 with respect to the central axis 112,

Lt; / RTI >

First, in consideration of the clockwise direction in the normal locking and the counterclockwise direction in the unlocking, the 'one direction' and the 'other direction', which will be described below, are used to mean 'clockwise' and 'counterclockwise', respectively do.

As shown in FIG. 4, each ratchet 113 has a shape that is inclined in one direction when viewed in a plan view. That is, a normal ratchet shape having an inclined portion inclined in one direction and a vertical portion at an end portion thereof.

The body (12)

Is formed on one side of the receptor (11)

And an elastic string insertion portion 121 connected to the accommodation space portion 111 of the receiver 11. [

At this time, in the present invention, two insertion portions 121 are formed.

The rotating unit 20

As shown in Figs. 4 and 5,

And is coupled with the housing 10 so as to be vertically movable,

A column body 21 having an inner central hole 211 to be fitted to the center shaft 112 and an engaging portion 212 for fixing an elastic string S on the outer peripheral surface,

A lower body 22 provided below the column body 21, and

A holding upper body 23 provided on the column body 21,

.

Here, the coupling part 212 of the column body 21 is formed of two pieces arranged on both side walls of the outer peripheral surface, and two coupling holes 212a are formed in the coupling parts 212.

One end of the elastic string S is inserted into one coupling hole 212a of the coupling portion 212 and the other end of the elastic string S is inserted into the coupling hole 212a of the other coupling portion 212, It can be bound to a part of the elastic string S,

As described above, another elastic string S can be coupled to the other coupling portion 212.

The upper body 23

The upper body 23 of the rotary unit 20 includes a plate 232 having a plurality of other directional sub-ratchet 232a radially arranged on the upper portion thereof and integrally formed on the upper portion of the cylinder 21, And a gripping member 233 having a plurality of corresponding ratchet 233a engaging with the sub-ratchet 113 and a plurality of corresponding sub-ratchet 233b engaging with the respective sub-ratchet 232a and arranged on the plate 232 .

4, the gripping member 233 includes a recessed mounting space portion 2331 on the lower surface and a relay portion 2332 mounted thereon,

The corresponding ratchet 233a is composed of an inclined body 233a-1 inclined in the other direction when viewed in plan and an elastic supporter 233a-2 connected to the right end of the inclined body 233a-1,

The relay portion 2332 is formed with a corresponding support sub-ratchet 233b on the lower surface thereof and a support 2332a on the upper surface of which the corresponding ratchet 233a is inserted,

The support 2332a is composed of a wearable support portion 2332a-1 in the elastic support 233a-2 and an opening 2332a-2 for exposing the inclined body 233a-1.

The inclined body 233a-1 is resiliently moved with respect to the elastic support body 233a-2 when the corresponding ratchet 233a is engaged with the ratchet 113 and moves over the ratchet 113 It is possible to implement a push back operation.

The switching means M1 and M2 of the first and second embodiments for mutual engagement and disengagement between the respective ratchet 113 and the corresponding ratchet 233a, the respective sub-ratchet 232a and the corresponding sub-ratchet 233b, M2,

As shown in Figs. 4 and 5, the switching means M1 of the first embodiment

Upper and lower engagement portions M1-1 and M1-2 formed along the outer peripheral surface of the receiver 11,

A retaining portion M1-3 formed along the inner circumferential surface of the holding member 233,

.

At this time, the upper engagement portion M1-1 and the lower engagement portion M1-2 are vertically spaced.

The engaging portion M1-3 formed along the inner circumferential surface of the gripping member 233 in the upper body 23 of the rotation unit 20 is engaged with the upper engaging portion M1-1 and the lower engaging portion M1 -2). ≪ / RTI >

At this time, the receiver 11 is formed with a plurality of slits 116 cut up and down along the outer circumferential surface, and each of the slits 116 is formed such that the engagement portion M1-3 is engaged with the upper engagement portion M1 (M1-1) and the lower corresponding latching portion (M1-2) when moving from the lower side latching portion (M1-1) to the lower side latching portion (M1-3) or vice versa, So that the outer wall of the receiver 11 can be easily pushed inward on the basis of the guide 116.

On the other hand, the upper corresponding latching portion M1-1 has an appropriate distance from the lower corresponding latching portion M1-2,

Refers to a distance between the ratchet 113 and the corresponding ratchet 233a when the rotation unit 20 is pulled from the housing 10, 233b are lifted up to such an extent that they can be released, respectively.

On the other hand, in the switching means M1 of the first embodiment, the rotating unit 20 is mounted on the housing 10 so as to be movable up and down,

As in Figure 4, the mounting means (30)

A mounting hole 31 formed in the central axis 112 of the housing 11 of the housing 10,

The upper portion 23 of the rotary unit 20 is inserted into the center of the holding member 233 and communicates with the center hole 211 of the column body 21, (32), and

A mounting bolt 33 which is fastened to the mounting fastening hole 31 and in which the head 331 is positioned in the mounting seat groove 32,

.

At this time, the respective ratchet 113, the corresponding ratchet 233a, the respective sub-ratchet 232a and the corresponding sub-ratchet 233b are engaged with each other

The distance between the head 331 of the mounting bolt 33 and the lower step 321 of the mounting seat groove 32 corresponds to the distance between the upper and lower corresponding latches M1-1 and M1-2 This is for the purpose of realizing an operation in which the latching portion M1-3 is selectively stopped by the upper and lower latching portions M1-1 and M1-2.

Before examining the operating state of the control unit (CU)

The elastic string S is fixed to the respective engaging portions 212 at both ends, that is, two strands in a state in which the elastic strings S are arranged along the respective mounting portions 51, 52, 53 and 54 described above.

Referring to the operating state of the control unit CU using the switching means M of the first embodiment,

When the latching portion M1-3 is caught by the lower corresponding latching portion M1-2

The respective ratchet 113 and the corresponding ratchet 233a and the corresponding sub-ratchet 232a and the corresponding sub-ratchet 233b mutually engage with each other when the gripping member 233 of the rotation unit 20 rotates in one direction, As the sub-ratchet 232a engages the corresponding sub-ratchet 233b

The column body 21, the lower body 22 and the plate 232 constituting one bundle can also be rotated unidirectionally so that the corresponding ratchet 233a can be moved over the ratchet 113 As a result, the two elastic strings S are pulled tightly and wound on the column body 21 (see [A] and [B] in Fig. 6)

When the latching portion M1-3 is caught by the upper corresponding latching portion M1-1, that is, by gripping the gripping member 233 and pulling it out of the housing 10, Is caught by the upper corresponding latching portion M1-1

Each of the ratchet 113 and the corresponding ratchet 233a which are interlocked with each other and the column 21 which forms one bundle as the respective sub-ratchet 232a and the corresponding sub-ratchet 233b are disengaged, The elastic string S is automatically released from the column body 21 by being forcedly rotated in the other direction by the elastic force of the elastic string S wound around the body 22 and the plate 232. At this time, the fact that the elastic string S is loosened means that the state is changed to a loosely wound state while being pulled tightly (see [A] and [B] in Fig. 7).

Thus, the elastic string S fastened to each of the engaging portions 212 is tightly wound to prevent peeling when wearing the foot support according to the present invention, and conversely, loosely releasing the foot can be easily pulled or worn from the foot support will be.

As shown in Fig. 8, the switching means M2 of the second embodiment

A fastening hole M2-1 formed on the center shaft 112 of the housing 11 of the housing 10,

The upper part 23 of the rotation unit 20 is inserted into the center of the relay part 2332 of the holding member 233 and communicated with the center hole 211 of the column body 21, The mounting grooves M2-2 having a large diameter,

A bolt M2-3 fastened to the fastening hole M1-1 and a head M3-31 positioned in the seating groove M2-2,

Each of the ratchet 113 and each corresponding ratchet 233a, each of the sub-ratchet 232a and each corresponding sub-ratchet 233b is engaged with the bolt M3-3 in the fastening hole M1-1, (M2-31) of the bolt (M2-3) so as to have a distance between the plate (232) and the relay portion (2332) of the gripping member (233) Protrusions M2-4 to be in contact with the upper surface of the plate 232, and

The rotation unit 20 intervenes between the mounting space 2331 of the gripping member 233 and the relay 2332 and the pressing and pulling action of the gripping member 233 causes the bolt The elastic spring M2-5 which alternately supports the lower surface and the upper surface of the head M2-31 of the main body M2-3,

.

At this time, as in the case of "C" in FIG. 8, the bolt (M2-3) and the protrusion (M2-4) may be separated and combined.

The elastic spring (M2-5)

As shown in Fig. 8,

When viewed in plan,

'U' shaped outer bend (M2-51),

Two pivots M2-52 bent inwardly in parallel at the upper and lower ends of the outer bend M2-51,

Two fitting portions (M2-53) bent inward at the respective ends of the two pushing portions (M2-52)

.

The distance between the two swaging parts M2-52 is preferably smaller than the diameter of the head M2-3 of the bolt M2-3,

As a result, when the bolts (M2-3) move upward or downward, the head (M2-31) presses the two jaws (M2-52) and spreads them outward before passing. The operation state described below will be described in more detail.

12, on the upper surface of the relay portion 2332 of the holding member 233 in the upper body 23, for fixing the elastic spring M2-5,

A protruding portion 2332b having two corresponding fitting portions 2332c into which the two fitting portions M2-53 of the elastic spring M2-5 are respectively inserted may be further formed.

Referring to the operating state of the control unit CU using the switching means M2 of the second embodiment,

When the gripping member 233 is pressed

As the gripping member 233 is lowered,

The head M2-31 of the bolt M2-3 on which the upper surface is supported by the elastic spring M2-5 presses the two pushing portions M2-52 of the elastic spring M2-5 It spreads to both sides and passes upward,

At the same time, the two pushing portions M2-52 are resiliently returned to support the lower surface of the head M2-3 of the bolt M2-3,

In addition, the protrusion M2-4 moves upward together with the bolt M2-3 in a state of being in contact with the upper surface of the plate 232,

The respective ratchet 113 and the corresponding ratchet 233a and the corresponding sub-ratchet 232a and the corresponding sub-ratchet 233b are engaged with each other so that the column 21 is resiliently deformed when the grip member 233 is rotated in one direction. The string S is wound (see [A] and [B] in Fig. 10).

When the gripping member 233 is pulled out

As the gripping member 233 is lifted,

The head M2-31 of the bolt M2-3 supporting the lower surface by the elastic spring M2-5 presses the two spring portions M2-52 of the elastic spring M2-5 It spreads to both sides and passes downward,

At the same time, the two pushing portions M2-52 are resiliently returned to support the upper surface of the head M2-3 of the bolt M2-3,

The plate 232 and the relay portion 2332 of the holding member 233 are separated from each other by the protrusion M2-4,

As a result, as the ratchet 113, the corresponding ratchet 233a, the sub-ratchet 232a and the corresponding sub-ratchet 233b are disengaged from each other, the column 21 and the lower body 22 and the plate 232 are forcibly rotated in the other direction by the elastic force of the wound elastic string S so that the elastic string S is automatically loosened (refer to [A] and [B]

On the other hand, in the switching means M2 of the second embodiment

The present invention is not limited to the elastic spring M2-5 placed between the plate 232 and the gripping member 233,

The elastic spring M2-5 is positioned between the lower body 22 of the rotation unit 20 and the accommodation space 111 of the housing 10 of the housing 10 and the bolts M2-3 May pass through the elastic spring M2-5 vertically while the head M2-31 of the elastic spring M2-5 is positioned at the bottom.

More specifically,

As shown in Figs. 13 and 14,

The center shaft 112 is removed from the center of the bottom of the housing 11 of the housing 10,

A bolt head position hole 51 is formed in the removed central shaft 112,

A holding portion 52 for fixing the elastic spring M2-5 is formed around the upper portion of the position hole 51,

At this time, the head M2-3 of the bolt M2-3 which elastically passes through the elastic spring M2-5 is composed of two head powder bodies 53A and 53B which are vertically spaced from each other, 53B are arranged to pass through the position hole 51 so as to have a larger diameter than the distance between the two pushing portions M2-52 of the elastic spring M2-5,

A concave portion 54 is formed between the two head powder bodies 53A and 53B so that the two pushing portions M2-52 of the elastic spring M2-5 are engaged,

A hexagonal column portion 55 is formed at an end of the bolt M2-3 and the column portion 55 is formed by two pushing portions M2-52 of the elastic spring M2-5 The respective ratchet 113 and the corresponding ratchet 233a and the corresponding sub-ratchet 232a and each corresponding sub ratchet 233b are not engaged with each other while the ratchet 113 is suspended from the recessed portion 54 And the upper and lower lengths

A spiral groove 56 for the fastening bolt 57 is formed in the center of the column portion 55,

A hexagonal column inserting portion 58 is formed at the center of the relay portion 2332 to allow the column portion 55 to be inserted,

The center hole 211 of the column 21 is formed in the bolt M2-3 so that the column portion 55 is not formed, that is, the column portion 55 is connected to the head main body 53A And is inserted into the cylindrical portion 55a.

Accordingly, in the state where the two pushing portions (M2-52) of the elastic spring (M2-5) are located in the recessed portion (54)

When the gripping member 233 of the rotating unit 20 is pressed,

The two spring portions M2-52 of the elastic spring M2-5 are positioned on the upper side of the head powder body 53A located at the upper portion of the two head powder bodies 53A and 53B off the concave portion 54 ,

Each of the ratchet 113 and each corresponding ratchet 233a, each of the sub-ratchet 232a and each corresponding sub-ratchet 233b are mutually engaged,

Conversely, when the gripping member 233 of the rotating unit 20 is pulled,

The two pushing portions M2-52 of the elastic spring M2-5 are positioned at the recessed portion 54,

The ratchet 113 and the corresponding ratchet 233a, the respective sub-ratchet 232a and the corresponding sub-ratchet 233b are mutually disengaged.

As a result, the elastic string S can be wound when the respective ratchet 113, the corresponding ratchet 233a, the respective sub-ratchet 232a and the corresponding sub-ratchet 233b are mutually engaged, and conversely, The elastic string S can be released.

On the other hand, as shown in Figs. 4 and 5,

The body 12 of the housing 10 is formed with a sewing wing 122 for engagement with the rear end of the mounting hole 31 of the mounting means 30,

The sewing wing portion 122 is preferably made of a soft material.

Therefore, the attaching hole 31 and the sewing wing 122 are coupled to each other by sewing, so that the foot auxiliary device having the adjusting unit CU can be provided.

In addition, the sewing blade 122 may be attached to the mounting hole 31 with an adhesive or the like.

While the present invention has been described with reference to the accompanying drawings, it is to be understood that the present invention is not limited to the described embodiments, And variations are to be construed as falling within the scope of protection of the present invention.

10: Housing
11: Receptor 111:
112: center shaft 113: ratchet
116: slit 12: body
121: insertion portion 122: sewing blade portion
20:
21: column body 211: center hole
212: engaging portion 212a: engaging hole
22: lower body 23: upper body
232: plate 232a: sub-ratchet
233: grip member 233a: corresponding ratchet
233a-1: inclined body 233a-2:
233b: corresponding sub-ratchet 2331: mounting space portion
2332: Relay unit 2332a: Support
2332a-1: receiving portion 2332a-2: opening portion
2332b: ridge portion 2332c: corresponding fitting portion
30: Mounting means
31: Mounting fastener 32: Mounting seat groove
321: step 33: mounting bolt
331: Head
M1: conversion means
M1-1: Upper corresponding latching part M1-2: Lower corresponding latching part
M1-3:
M2: conversion means
M2-1: Tightening hole M2-2: Tightening groove
M2-3: Bolt M2-31: Head
M2-4: protrusion M2-5: elastic spring
M2-51: outer bend M2-52:
M2-53:
51: Position hole 52: Holding part
53A, 53B: head powder 54:
55: Column portion 55a:
56: helical groove 57: fastening bolt
58:
60: bottom cover member
61: Arch cover 611: Arch side support
62: kep cover 621: kepside support
63: relay cover 631: relay section
632:
70: Top cover body
71: Top cover
80: rear cover body
81: Rear cover
S: elastic string
90: Mounting means
91: keffe mounting part 92: arch mounting part
93: Top mounting portion 94: Rear mounting portion
CU: Control unit
PU: Full Unit
PU1: Full body PU2: Through hole

Claims (6)

An arch-cover 61 surrounding the arch of the soles of the body in the body, a calf-cover 62 surrounding the calf of the leg, and an arch cover 61 and the keeper cover 62, And a relay cover (63) having a relay part (631) for connecting the relay part (631) and an opening part (632) formed in the relay part (631) for exposing the heel and the tendons thereof to the outside.
A top cover body 70 disposed on the bottom cover body 60, the top cover body 70 including a top cover 71 for covering the foot and the ankles connecting the shin and the ankle;
An elastic string (S) capable of tightening the bottom cover (60) and the top cover (70);
Mounting means for mounting the elastic string S on the keeper cover 62, the arch cover 61 and the top cover 71 so that the elastic string S can be moved along the arrangement line 90); And
An adjustment unit (CU) mounted at the rear of the keeper cover (62) of the bottom cover (60) to perform a winding and an unwinding operation with respect to the elastic string (S);
And the foot support is improved in wearing comfort.

The method according to claim 1,
Further includes a rear cover body 80 which includes a rear cover 81 surrounding the tendon of the heel and is disposed at the opening 632 of the relay cover 63 in the bottom cover body 60 However,
Characterized in that the elastic string (S) passes through the rear cover (81) of the rear cover body (80).
The method according to claim 1,
The elastic string (S)
Is arranged at both ends of the arch cover (61) of the bottom cover body (60) starting from both ends of the keeper cover (62) of the bottom cover body (60).
The method according to claim 1,
The arch cover 61 of the bottom cover body 60 is formed with an arch side support 611 extending from both ends of the arch cover 61,
Wherein a keel side support (621) extending from both ends of the keel cover (62) is formed on the keel cover (62) of the bottom cover body (60).
3. The method of claim 2,
Wherein the top cover 71 of the top cover body 70 and the rear cover 81 of the rear cover body 80 are made of a flexible material. Brace.
5. The method according to any one of claims 1 to 4,
A pull-body PU1 disposed on the top cover 71 of the top cover 70 and two through-holes PU2 formed on each end of the full body PU1. Further comprising a pull-unit (PU)
Characterized in that the elastic string (S) passes through the two through-holes (PU2) of the pull unit (PU).

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