JP4995939B2 - Shoe heel opening and closing mechanism - Google Patents

Description

The present invention relates to a shoe heel part opening / closing mechanism that makes it easy to attach and detach shoes.

As a conventional shoe of this type, as shown in Japanese Patent Application Laid-Open No. 11-127907 (refer to Patent Document 1), a heel portion on which a heel portion of a foot is placed and a rear portion of the heel portion are erected. The heel support is formed by integrally joining the contact piece of the shoe that covers and touches the rear surface of the heel of the foot at a substantially right angle, and rotates to the heel base of the heel support and the rear end of the contact piece. There has been known a structure in which a shaft is embedded and a cradle cradle is rotated around a rotation shaft.
Then, an elastic spring is fixed to the center of the heel bottom to hold the elasticity so as to push up the heel bottom, and the hook hook of the shoe heel locks with the hook protrusion provided at the tip of the heel bottom. A stop is provided.

JP-A-11-127907

However, in the first invention (FIGS. 1 and 2), the second invention (FIGS. 3 to 6) and the third invention (FIGS. 7 and 8) of JP-A-11-127907 (see Patent Document 1). The L-shaped part for storing the bag does not have a reliable holding means in the state of wearing the shoes, and the force that is always pushed by the elastic spring to open the L-shaped part acts, resulting in poor comfort. there were.
In the fourth invention (FIGS. 9 and 10) and the fifth invention (FIGS. 11 and 12), since the push button protrudes from the side of the shoe, the shoe touches the push button during walking or the like, resulting in malfunction. There was a problem that it was easy to get up.

Therefore, the present invention is a shoe heel part opening / closing mechanism having a structure in which the heel portion of the foot can be easily removed and the foot can be easily detached from the shoe, and the heel holder storing the heel wears the shoe. Since it is securely held in the state, there is no problem in comfort, and the push protruding on the side of the shoe as in the fourth invention (FIGS. 9 and 10) and the fifth invention (FIGS. 11 and 12) An object of the present invention is to provide a shoe heel part opening / closing mechanism that does not have a problem that a shoe does not touch a push button during walking or the like because a button does not exist and malfunction occurs.

That is, the shoe heel part opening / closing mechanism of the present invention includes an L-shaped heel holder which is housed in a shoe heel part and holds a foot heel part, and which includes a sole part and a foot rear part, and the heel holder at the rear end part. A heel support that is rotatably supported by a rotation shaft attached to the heel support, a heel holder elastic support member that normally urges the sole of the heel holder provided on the heel support upward, and the heel support It has a shoe heel part that is movably attached to the base,
An elastic spring is fixed between the heel cradle and the front position of the shoe heel portion, and urged to attract the heel cradle forward,
The heel holder elastic support member is interposed between the shoe heel part and the holding bar of an elastic spring arranged at a predetermined interval from the shoe heel part, and then folded.
The hook provided downward on the lower surface of the heel holder elastic support member is engaged with the engaging portion of the hook provided on the upper surface of the shoe heel when a user steps on the sole of the heel holder with the heel. And hold the heel holder in a normal position,
In addition, by retreating the heel support against the urging force of the elastic spring and releasing the hook from the engaging portion, the sole portion of the heel holder is moved upward by the heel holder elastic support member. This is characterized in that it is pushed up to open the foot insertion opening of the shoe so that the foot can be placed at an angle that is easy to fit in the shoe.

In the shoe heel part opening and closing mechanism of the present invention, the hook engaging portion includes a guide portion disposed on the upper surface of the shoe heel portion, an engaging pin slidably passed between the guide portions, and the engaging pin. And a spring for urging the hook toward the hook in a normal state.

In the shoe heel part opening and closing mechanism of the present invention, the heel support is formed in a U shape having a pair of left and right slide portions, and is attached to a slide groove formed on the upper surface of the shoe heel portion so as to be able to advance and retract. It is also characterized by this.

The shoe heel part opening / closing mechanism of the present invention is characterized in that the rear end portion of the shoe is extendable and retractable as the heel holder rotates.

As is apparent from the above description, the heel part opening / closing mechanism of the shoe of the first invention has no problem in comfort because the heel holder for storing the heel is securely held in the state of wearing the shoes. Since there is no extra protrusion such as a push button on the side of the shoe, there is no problem that one side of the shoe touches the push button or the like of the other shoe during walking or the like, causing a malfunction.
Further, since the heel holder elastic support member is interposed between the shoe heel portion and the elastic bar holding bar arranged at a predetermined interval, the heel holder is folded back. The elastic support member can be mounted compactly and rationally.

According to a second aspect of the present invention, there is provided a shoe heel part opening / closing mechanism including a guide portion in which an engaging portion of the hook is disposed on an upper surface of the shoe heel portion, an engagement pin slidably passed between the guide portions, and the engagement pin Since the spring is normally biased toward the hook, the hook and the engagement pin can be attached and detached reliably and quickly.

In the shoe heel part opening / closing mechanism of the third invention, the heel support is formed in a U shape having a pair of left and right slide portions, and is attached to a slide groove formed on the upper surface of the shoe heel portion so as to be able to advance and retract. Therefore, the reed of the reed cradle is smooth and does not cause any trouble in the revolving mechanism of the reed holder.

The shoe heel part opening / closing mechanism of the shoe of the fourth invention is such that the rear end portion of the shoe can be expanded and contracted with the rotation of the heel holder. There is no loss of basic functionality.

It is the perspective view of the state which showed the shoes which applied the heel partial opening / closing mechanism of the shoes of this invention, and opened the heel holder. It is a perspective view of the state which opened the scissors holder. It is sectional drawing of the state which showed the heel part opening-closing mechanism of the shoes of this invention, and hold | maintained the heel holder in the normal position. It is sectional drawing of the state which opened the scissors holder. It is a perspective view of the heel part opening-and-closing mechanism of the shoes in the state where the heel holder elastic support member is open. It is a perspective view of the heel part opening-and-closing mechanism of shoes in the state where the heel holder elastic support member is closed. It is a perspective view of the state which separated the bag receiving stand and the shoelace part. (A) is a perspective view of the state which further isolate | separated each part, (b) is a perspective view which shows the front and back of a slide. It is a perspective view of the state which made the heel stand retreated on the shoelace part. 10 to 13 are diagrams for explaining the movement of the shoe heel part opening / closing mechanism when the shoe is worn, and FIG. 10 is a cross-sectional view of the shoe heel part opening / closing mechanism in a state where the shoe holder elastic support member is open. FIG. It is sectional drawing of the state in which the heel holder elastic support member is closing. It is sectional drawing of the state just before a heel holder elastic support member closes. It is sectional drawing of the state in which the heel holder elastic support member was closed. 14 to 17 are views for explaining the movement of the shoe heel part opening / closing mechanism when the shoe is taken off, and FIG. 14 is a cross-sectional view of the shoe heel part opening / closing mechanism with the heel holder elastic support member closed. It is. It is sectional drawing of the heel part opening-and-closing mechanism of the shoe in the state which the heel stand retreats on the shoe heel part. It is sectional drawing in the state where the heel holder elastic support member opened. It is sectional drawing of the state in which the heel support was returned to the original position on a shoelace part.

Embodiments of a shoe heel part opening / closing mechanism of a shoe according to the present invention will be described below in detail with reference to the drawings.
As shown in FIGS. 1 and 2, in the shoe to which the heel part opening / closing mechanism of the shoe of the present invention is applied, when the shoe 11 is worn, the heel holder 12 of the shoe 11 is always repelled upward, and further the shoe. Since the elbow 11 is open, it is easy to insert the tip of the foot, and the heel holder 12 can be automatically rotated by pressing the heel and held in a normal position when the heel of the foot is inserted.
In this way, the heel portion of the shoe 11 is in close contact with the sole, so that the shoe 11 can be worn in the same posture without bending the body, and an auxiliary tool such as a shoehorn can be dispensed with.
In the figure, reference numeral 14 denotes an elastic member made of an elastic material such as rubber provided on both sides of the rear end portion 13 of the shoe 11 and is configured to expand and contract as the heel holder 12 rotates.

Hereinafter, one embodiment of a shoe heel part opening / closing mechanism of the present invention will be described in detail.
As shown in FIGS. 3 to 7, the shoe heel part opening / closing mechanism of the embodiment is housed in the shoe heel part, and is formed in an L-shape consisting of a sole 22 and a foot rear part 23 for holding the heel of the foot. The eaves holder 21 and the eaves holder 25 which hold | maintains this eaves holder 21 rotatably by the rotating shaft 24 attached to the rear-end part are provided.

Further, as shown in FIG. 8A, the heel support 25 is formed in a U shape having a pair of left and right slide portions 26, and slides corresponding to the slide portions 26 formed on the upper surface of the shoe heel portion 31. It is attached to the groove 32 so as to be able to advance and retreat.
The slide groove 32 is composed of a pair of left and right slide guides 33 attached to the upper surface of the shoe heel part 31, and a hard member 27 made of metal or other material having an outer shape corresponding to the U-shaped heel support 25. The slide guide 33 is fitted into the slide guide 33 so as to advance and retreat.

Note that both side surfaces of the hard member 27 are formed in a tapered shape with an upper flange, and the opposite side surfaces of the slide guide 33 are formed in a tapered shape corresponding to the taper.
Therefore, as shown in FIG. 8B, the hard member 27 advances and retreats in the slide guide 33 on the upper surface of the shoelace 31.

The sole 22 of the heel holder 21 is normally urged upward by a heel holder elastic support member 41 provided between a pair of left and right slide grooves 32 on the upper surface of the shoe heel 31.
Reference numeral 42 denotes a hook provided downward on the lower surface of the heel holder elastic support member 41. When the user steps on the sole 22 of the heel holder 21, the engagement recess that forms the hook shape of the hook 42 is provided. 43 engages with an engagement pin 44 disposed on the upper surface of the shoe heel part 31 to hold the heel holder 21 in a normal position where the user wears the shoe 11 as shown in FIG. .
In the figure, reference numeral 45 denotes a recess for receiving a hook 42 provided on the upper surface of the shoelace 31.

The heel holder elastic support member 41 is folded after being inserted between the shoe heel part 31 and the elastic bar holding bar 28 arranged at a predetermined interval from the shoe heel part 31. It functions to urge the heel holder 21 upward. Therefore, when the engagement between the hook-shaped engaging recess 43 and the engagement pin 44 is released, the sole 22 of the heel holder 21 is moved to the heel holder elastic support member as shown in FIG. It is pushed upward by 41 and the foot insertion opening of the shoe can be opened to make it easy to fit the foot into the shoe.

As shown in FIGS. 3 to 6, the engaging portion of the hook 42 includes a guide portion 51 disposed on the upper surface of the shoelace portion 31 with one end opened and a slidably passed between the guide portions 51. It has a combination pin 44 and a spring 52 that urges the engagement pin 44 toward the hook 42 in a normal state.
Therefore, when the engaging pin 44 is pushed to the hook 42 side by the spring 52, the engaging pin 44 is exposed from the opening 53 of the guide portion 51, so that the engaging pin 44 is engaged with the hook 42. It becomes possible.

FIG. 9 shows a shoe heel portion 31 to which the heel cradle 25 is attached so as to be movable back and forth. The heel cradle 25 has a resilient bar 61 fixed to a holding bar 28 provided at an inner end thereof, and is moved forward. Energized to attract.
Therefore, when the user steps on the sole 22 of the heel holder 21 with a heel as shown in FIG. 3, the heel support 25 is attracted forward as shown in FIG. The mating recess 43 remains engaged with the engagement pin 44.
Next, as shown in FIG. 9, when the hook receiving base 25 is retracted against the urging force of the elastic spring 61, the hook 42 is disengaged from the engaging pin 44, and the hook holder 21. The sole 22 is pushed upward by the heel holder elastic support member 41.

10 to 13 are diagrams for explaining the movement of the heel part opening / closing mechanism of the shoe when the shoe is worn.
<Fig. 10>
The sole 22 of the heel holder 21 is pushed upward by the heel holder elastic support member 41.
<Fig. 11>
Therefore, when the sole 22 of the heel holder 21 is pushed in with the heel of the foot, the tip of the hook 42 of the heel holder elastic support member 41 comes into contact with the engagement pin 44.
<Fig. 12>
Further, when the sole 22 of the heel holder 21 is pushed in with the heel of the foot, the tip of the hook 42 of the heel holder elastic support member 41 causes the engagement pin 44 to retreat in the direction of arrow A.
<Fig. 13>
When the sole 22 of the heel holder 21 is pushed to the end with the heel of the foot, the engagement pin 44 moves and engages toward the tip of the hook 42 of the heel holder elastic support member 41 (arrow B), The heel holder elastic support member 41 does not push up the sole 22 of the heel holder 21, and the heel holder 21 is held in a normal position with shoes on.

FIG. 14 to FIG. 17 are for explaining the movement of the heel part opening / closing mechanism of the shoe when the shoe is taken off.
<Fig. 14>
An engagement pin 44 is engaged with the tip of the hook 42 below the heel holder elastic support member 41, and the heel holder 21 is held in a normal position with shoes on.
<Fig. 15>
Therefore, when the load in the backward direction indicated by the arrow C is applied to the rod receiving base 25 and the hook 42 is retracted against the urging force of the elastic spring 61, the hook 42 is disengaged from the engagement pin 44.
<Fig. 16>
At this time, the sole 22 of the heel holder 21 is pushed upward by the heel holder elastic support member 41.
<Fig. 17>
At the same time, the hook receiving base 25 is attracted in the direction of arrow D by the elastic spring 61 and returns to the original position (FIG. 14).

The heel part opening / closing mechanism of the shoe of the present invention can be applied not only to ordinary men's shoes but also to women's shoes and other footwear with standing heel parts, as well as leather shoes, rubber shoes, sneakers and other footwear. Not too long.

11 shoe 12 heel holder 13 rear end portion 14 of shoe elastic member 21 heel holder 22 foot bottom portion 23 foot rear portion 24 pivot shaft 25 heel support 26 slide portion 27 hard member 28 holding bar 31 shoe heel portion 32 slide groove 33 slide guide 41 Hook holder elastic support member 42 Hook 43 Engaging recess 44 Engaging pin 45 Recess 51 Guide portion 52 Spring 53 Opening portion 61 Elastic spring

Claims (4)

L-shaped heel holder, which is housed in the heel part of the shoe and holds the heel of the foot, and is composed of an L-shaped heel holder and a rear part of the foot, and a pivot shaft attached to the rear end of the heel holder. A heel support, a heel holder elastic support member that normally urges the sole of the heel holder provided on the heel support upward, and a shoe heel portion attached to the heel support movably back and forth Have
An elastic spring is fixed between the heel cradle and the front position of the shoe heel portion, and urged to attract the heel cradle forward,
The heel holder elastic support member is interposed between the shoe heel part and the holding bar of an elastic spring arranged at a predetermined interval from the shoe heel part, and then folded.
The hook provided downward on the lower surface of the heel holder elastic support member is engaged with the engaging portion of the hook provided on the upper surface of the shoe heel when a user steps on the sole of the heel holder with the heel. And hold the heel holder in a normal position,
In addition, by retreating the heel support against the urging force of the elastic spring and releasing the hook from the engaging portion, the sole portion of the heel holder is moved upward by the heel holder elastic support member. A heel part opening / closing mechanism for a shoe, wherein the foot insertion opening of the shoe is pushed up so that the angle of the foot can be easily fitted into the shoe. The hook engaging portion includes a guide portion disposed on the upper surface of the shoe heel portion, an engaging pin slidably passed between the guide portions, and a spring that normally biases the engaging pin toward the hook. The shoe heel part opening and closing mechanism according to claim 1. The said heel stand is formed in U shape which has a pair of left and right slide parts, and is attached to the slide groove formed in the upper surface of the said shoe heel part so that advancing and retreating is possible. Opening / closing mechanism of shoe heel part. 2. The shoe heel part opening / closing mechanism according to claim 1, wherein a rear end portion of the shoe is configured to be stretchable in accordance with the rotation of the heel holder.

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