JP2013198509A - Snap fastener with locking mechanism - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a snap fastener with a locking mechanism that has a small number of parts, uses almost no metal, and does not require a key.SOLUTION: A female part 2 is provided with an operating plate 4 that is installed on the front surface of a first fabric P1, a spring 5, a base 6, and a support 7 that is installed on the back surface of the first fabric P1. A male member 3 is provided with an engaging projection 8 that is installed on the front surface of a second fabric P2 and a support 9 that is installed on the back surface of the second fabric P2. The operating plate has a partially cut pressing piece 42 and a pressing projection provided on the underside of the pressing piece. The spring has inner arcs 53 extending to the right and to the left which terminate with a small gap 54 between the tips thereof. The gap 54 between the tips of the inner arcs is widened by the downward pressing force of the pressing projection, and is restored to the original shape when the downward pressing force is removed. The base has a space that accommodates the spring.

Description

  The present invention relates to a snap fastener that has a locking mechanism and is devised for opening. The present invention was developed for an opening / closing part of a garment for a patient with dementia who needs care, and the following explanation will be made based on this. However, the application is not limited to this, and for example, an upper tab is provided. It can be used for an upper tab portion of an article such as a bag having a pocket, a miscellaneous goods or general clothing.

Dementia patients often open their fasteners, such as sleepwear sleeves, fronts, and crotch, and take off their clothes to perform filthy behavior, which is often bothering caregivers. In order to prevent this, it is known that a fastener with a lock function is attached to the portion of the garment. For example, JP-A-2005-230358, JP-A-2006-136557, JP-A-2007-301165, and the like. A fastener with a lock function is provided with a button with a lock at the end of the fastener, for example, so that the button cannot be removed or the slide fastener cannot be lowered unless the lock is released.

The prior art has drawbacks such as a large number of parts, heavy use of metal parts, and the need for a key.

The present invention has been made to eliminate the drawbacks of the prior art, and has a locking mechanism with a small number of parts, almost no metal (about one place even if used), and no need for a key. The purpose is to provide a fastener (hereinafter sometimes simply referred to as “snap fastener”).

  The snap fastener with a locking mechanism of the present invention includes a female member including an operation plate 4 attached to the front surface side of the first fabric, a spring 5, a base 6, and a support member 7 attached to the back surface side of the first fabric. The operation plate 4 has a male member provided with an engagement protrusion 8 attached to the front surface side of the fabric and a support member 9 attached to the back surface side of the second fabric. The spring 5 has a pressing projection 44 provided on the lower side of the pressing piece 42, and the spring 5 terminates with an inner arc 53 extending left and right, leaving a slight gap 54 between the ends of the spring 5. The tip end gap 54 of the inner arc is enlarged by the pressing pressure of the protrusion 44, and when the pressing pressure disappears, it returns to its original shape, and the base 6 has a space for accommodating the spring 5. (Claim 1).

Preferably, the base 6 and the spring 5 are positioned by one projection 65 and the other insertion space 57 and contact between the outer arc 51 of the spring and the base cylinder 61 (invention). Item 2).

Further, it is preferable that the operation plate 4 and the base portion 6 are positioned by engagement of one projection 45 and the other recess 67 (Claim 3).

In order to facilitate the spring action of the spring, it is preferable to provide a notch 52 in the vicinity of the center of the inner arc 53 (Claim 4). For the same reason, it is preferable that both ends 531 of the inner arc 53 of the spring are outwardly opened upward (Claim 5).

The present invention is used for the upper tab portion of an article such as a bag, miscellaneous goods or general clothing having a pocket having an upper tab (corresponding to the first fabric) in addition to clothes for dementia patients. (Claims 6 and 7).

  The present invention can also be regarded as a first fabric P1 having a female member attached thereto in a snap fastener with a locking mechanism provided with a male and female member. The female member includes a female member 2 including an operation plate 4, a spring 5, a base 6, and a support member 7. The operation plate 4 includes an incompletely cut-out pressing piece 42 and the pressing piece 42. The spring 5 has a pressing projection 44 provided on the lower side, and the inner arc 53 extends from side to side and terminates leaving a gap 54 between the ends of the spring 5. When the gap 54 of the inner arc is enlarged and the pressing-down pressure disappears, it returns to its original shape, and the base 6 has a space for accommodating the spring 5 (Claim 8). .

In the case of the configuration according to claim 8, the first fabric can be reinforced by the hard plate 11 (claim 9).

  According to the first aspect of the present invention, the snap fastener with a locking mechanism according to the present invention has four parts of the operation plate, the spring, the base, and the support member as the number of parts, and 2 of the engagement protrusion support material as the female member. Since it consists of dots, it only needs about 8 points, uses almost no metal (even if used, about one support member on the male member side), and does not require a key.

  According to the second aspect, the base and the spring are accurately positioned.

  According to the third aspect, the operation plate and the base are accurately positioned.

  According to the fourth aspect, since the notch is provided near the center of the inner arc, the spring is easy to function.

  According to claim 8, since the first fabric having the above features is provided, this part can be retrofitted, and the existing general clothing can be modified to clothing for dementia patients and the like. .

  According to the ninth aspect, when the operation of pulling up the female member 2 while holding down the pressing piece 42 of the female member 2, it becomes impossible to be conscious of it more clearly, and the possibility of coming off due to an unexpected operation of a dementia patient is low. Become.

  Embodiments of the present invention will be described below with reference to the accompanying drawings.

It is a front view of the nightwear for dementia patients, and the snap fastener with a locking mechanism which is an example of the present invention is used. FIGS. 2A and 2B are enlarged views of a slide fastener terminal portion of FIG. 1, in which FIG. 1A shows a state in which the slide fastener's handle is hidden, and FIG. 2B shows a state in which the handle is exposed; It is a development perspective view of the above-mentioned snap fastener. It is a perspective view which shows the usage method of the said snap fastener. The male and female members in the snap fastener are shown in an unlocked state, wherein (a) is a longitudinal sectional view and (b) is a sectional view taken along 5b-5b of (a). The male and female members of the snap fastener are shown in a locked state, (a) is a longitudinal sectional view, and (b) is a sectional view 6b-6b of (a). It is the detail of an operation board, (a) is a front view, (b) is a plan view, (c) is a right side view, (d) is a 7d-7d cross-sectional view in (b), (e) is a rear view, (F) is a bottom view. (A) is a front view, (b) is a plan view, (c) is a right side view, (d) is a cross-sectional view taken along 8d-8d in (b), (e) is a rear view, f) is a bottom view. It is the detail of the base 6, (a) is a front view, (b) is a right side view, (c) is a plan view, (d) is a right side view, (e) is a 9e-9e sectional view in (c). , (F) is a rear view, and (g) is a bottom view. It is the detail of a support plate, (a) is a front view, (b) is a plan view, (c) is a right side view, (d) is a 10d-10d cross-sectional view in (b), (e) is a rear view, (F) is a bottom view. It is the detail of a support plate, (a) is a front view, (b) is a right side view, (c) is a 12c-12c sectional view in (a), (d) is a rear view, (e) is a bottom view. is there. It is a detail of an engagement protrusion, (a) is a front view, (b) is a right side view, (c) is a cross-sectional view of 11c-11c in (a), (d) is a rear view, and (e) is a bottom view. It is. It is a front view showing the modification of the 1st cloth. It is sectional drawing of the 1st material | dough in FIG.

  In the sleepwear P for dementia patients shown in FIG. 1, the snap fastener 1 with a locking mechanism is attached to the slide fastener S end portion of the front and the slide fastener S end portion of the crotch portion.

  As shown in FIGS. 2 (a) and 2 (b), a turning piece P1 that is fixed at one end and liftable at the other end is attached to the end of the slide fastener S where the handle H is located when the slide fastener is closed. ing. A female member 2 of a snap fastener 1 with a locking mechanism is fixed to the turning piece P1. On the other hand, a male member 3 that can be engaged with the female member 2 is fixed to the sleepwear main body P <b> 2 directly below the female member 2.

  FIG. 3 is a developed perspective view of the snap fastener 1 with a locking mechanism. The female member 2 is composed of six parts in total, the upper four parts are fixed to the turning piece P1, and the lower two parts are the male member 3 fixed to the sleepwear body P2.

<Female member>
Looking at the female member 2 from the top, the operation plate 4, the spring 5, and the base 6 are attached to the surface of the turning piece, and are fixed by the support material 7 from the lower side of the turning piece fabric P1.

  The operation plate 4 is made of a synthetic resin. FIG. 3 is a perspective view, and FIG. The whole is disc-shaped, and there is a pressing piece 42 incompletely cut out in a gourd shape at the center of the flat plate 41. A central portion of the pressing piece 42 is a raised portion 43 that is slightly raised so that a finger can be easily applied, and a pressing protrusion 44 is formed on the lower side. On the lower side of the peripheral edge of the flat plate 41, rod-like protrusions 45 protrude at four places.

  The spring 5 is made of synthetic resin. FIG. 3 is a perspective view, and FIG. The whole looks like a central longitudinal section of a flower bud, and an outer arc 51 that hits the bud of the bud extends left and right, and a small notch 52 is provided in the center of the outer arc 51. An inner arc 53 corresponding to the bulge of the bud extends from the periphery of the notch 52 to the left and right, and terminates with a slight gap 54 between the ends. As shown in FIG. 8F, the mutual tips 531 are outwardly opened upward. The spring 5 has an original shape (at the time of molding) such that the tip gap 54 of the inner arc is enlarged by the pressing pressure of the pressing projection 44 so that the bud opens, and when the pressing pressure disappears, the flower closes. Return. The notch 52 facilitates the spring action. Further, two projections 55 and 56 projecting upward from the outer arc and two from the inner arc and projecting upward.

  The base 6 is made of synthetic resin, and a perspective view is shown in FIG. 3, and details of components are drawn in FIG. The base 6 has an appearance like an ashtray with a bottom removed, and has a cylinder 61 and a ring-shaped edge 62, and an opening 63 at the center. A protrusion 65 protrudes from the opening edge portion 64 on the inner bottom portion of the cylinder 61. A jagged portion 66 for fitting is provided on the outer bottom portion of the cylinder 61. The ring-shaped edge 62 is provided with four recesses 67.

  The support material 7 on the lower side of the turning piece fabric P1 is made of a synthetic resin. FIG. 3 is a perspective view, and FIG. This is simply a flat ring 71. A jagged portion 72 for fitting is provided on the opening side wall portion.

  The assembled state of the female member 2 of the turning piece P1 is depicted in the cross-sectional views of FIGS. First, the spring 5 is housed in the base 6. At that time, the protrusion 65 is accommodated in the gap 57 adjacent to the notch 52 of the spring 5 to position the spring 5 in the base portion 6. Next, the rod-like protrusion 45 of the operation plate 4 is fitted and integrated with the recess 67 of the base portion 6, and the outer arc 51 of the spring and the cylinder 61 of the base portion 6 come into contact with each other. The base 6 is positioned. Further, the jagged portions 66 and 71 of the base 6 and the support member 7 are fitted to each other through the turned piece fabric P1.

<Male member>
Next, when seeing the male member, it is composed of an engaging projection 8 projecting upward from the main body fabric and a support material 9 for supporting it from the lower side of the main body fabric.

The engagement protrusion 8 is made of synthetic resin, and FIG. 3 is a perspective view, and FIG. 11 shows details of parts. The engaging protrusion 8 has a root bulging portion 81, a thin neck portion 82, and a tip bulging portion 83, and a central portion is a through hole 84 in the longitudinal direction. There are eight small protrusions 85 at the bottom of the base bulging portion 81, which bite into the dough and prevent slipping.

The support material 9 is made of a synthetic resin. FIG. 3 is a perspective view, and FIG. It consists of a tip projection 92 with a stopper 91 and a base 94.

  The assembled state of the male member 3 of the sleeper side main body is depicted in the cross-sectional views of FIGS. The support material tip protrusion is press-fitted and fixed to the through hole through the main body fabric.

<Function and operation method>
Next, based on FIG.5 and FIG.6, the function and operation method of a snap fastener with a locking mechanism are demonstrated.

  FIG. 5 shows the unlocked state of the male and female members 2 and 3. From this state, as shown by the arrow (b), when the pressing piece 42 of the operation plate 4 is pressed down with a finger, the pressing protrusion 44 expands the tip clearance 54 of the inner arc 53 of the spring 5. Then, the engagement protrusion 8 of the male member 3 can be inserted, and the engagement of the male and female members 2 and 3 is completed. FIG. 6 shows the locked state of the male and female members. When the finger is released from the pressing piece 42 of the operation plate 4 and stopped to be pressed down, the tip clearance 54 of the inner arc 53 of the spring is restored and narrowed, and the male member 3 is engaged with the tip bulging portion 83 being prevented from coming off. Is maintained.

  To release the male and female members 2 and 3 from this engaged state, it is not sufficient to simply push down the pressing piece 42. This is because the spring 5 is restored as soon as the finger is released from the pressing piece 42. Therefore, in order to separate the male and female members 2 and 3, it is necessary to lift the turning piece P1 while pressing the pressing piece 42 down. If the normal person does not know that the pressing piece 42 is pushed down and the turning piece P1 is lifted up at the same time, trial and error must be repeated. It is extremely difficult for dementia patients.

  The present invention can be modified and changed in various ways within the scope of the claims.

For example, as shown in FIGS. 13 and 14, the turning piece P1 can be appropriately reinforced with a hard plate 11 or packing. Then, when the operation of pulling up the female member 2 while holding down the pressing piece 42 of the female member 2 for opening, it becomes impossible to be conscious of it more clearly, and there is a possibility that it will come off by an unexpected operation of a dementia patient. Lower.

Moreover, although not shown in figure, regarding a male member, packing like egg-shaped synthetic leather can be pinched | interposed directly under a female member. If it does so, it will become easy to perform the operation | movement which turns while pressing the pressing piece 42 of a female member, and releasing operation | movement will become easy. As a result, usability is improved while securing the anti-theft function from snatching and the like when used for, for example, bags other than nursing care applications.

JP-A-2005-230358 JP 2006-136557 A JP2007-301165A

DESCRIPTION OF SYMBOLS 1 Snap fastener 11 Hard plate 2 Female member 2 Female member 3 Male member 4 Operation board 41 Flat plate 42 Pressing piece 43 Protruding part 44 Pressing protrusion 45 Rod-like protrusion 5 Spring 51 Outer arc 53 Inner arc 531 Tip 54 Tip gap 57 Insertion space 6 Base 61 Cylinder 62 Edge portion 63 Opening portion 64 Opening edge portion 65 Protrusion 66 Jagged portion for fitting 7 Support material 71 Ring 72 Jagged portion for fitting 8 Engaging projection 81 Root bulging portion 82 Neck portion 83 Tip bulging portion 84 Through hole 9 Support Material 92 Tip projection 94 Base P Sleepwear P1 Turning piece (first fabric)
P2 Sleepwear body (second fabric)
S Slide fastener

Claims (9)

A female comprising an operation plate (4) attached to the front side of the first fabric (P1), a spring (5), a base (6), and a support material (7) attached to the back side of the first fabric (P1). Member (2);
A male member (3) having an engagement protrusion (8) attached to the front surface side of the second fabric (P2) and a support material (9) attached to the back surface side of the second fabric (P2);
The operation plate (4) has a pressing piece (42) cut out incompletely and a pressing protrusion (44) provided on the lower side of the pressing piece (42),
The spring (5) has an inner arc (53) extending left and right, and is terminated with a gap (54) between the ends of the spring (5). When the gap (54) is enlarged and the pressing pressure disappears, the original shape is restored.
The snap fastener with a locking mechanism, wherein the base (6) has a space for accommodating the spring (5). Between the base (6) and the spring (5), contact between one protrusion (65) and the other insertion space (57), and an outer arc (51) of the spring and the base cylinder (61). The snap fastener with a locking mechanism according to claim 1, wherein the snap fastener is positioned.   The snap fastener with a locking mechanism according to claim 1 or 2, wherein the operation plate (4) and the base portion (6) are positioned by engagement of one projection (45) and the other depression (67).   The snap fastener with a locking mechanism according to any one of claims 1 to 3, wherein a notch (52) is provided in the vicinity of the center of the inner arc (53) of the spring to facilitate the spring action. The snap fastener with a locking mechanism according to any one of claims 1 to 4, wherein both ends (531) of the inner arc (53) of the spring are outwardly opened upward.   A garment for a dementia patient, comprising the snap fastener with a locking mechanism according to any one of claims 1 to 5 at an opening and closing part. As said 1st cloth (P1), it is articles, such as a bag which has a pocket provided with an upper tab, miscellaneous goods, or general clothing,
6. An article comprising a snap fastener with a locking mechanism according to claim 1 provided on the upper tab. In the snap fastener with a locking mechanism having a male and female member, the first fabric (P1) to which the female member is attached,
The female member has a female member (2) including an operation plate (4), a spring (5), a base (6), and a support material (7),
The operation plate (4) has a pressing piece (42) cut out incompletely and a pressing protrusion (44) provided on the lower side of the pressing piece (42),
The spring (5) has an inner arc (53) that extends from side to side and ends with a slight gap (54) between the ends of the spring (5). When the tip clearance (54) is enlarged and the pressing pressure disappears, it returns to its original shape,
The base (6) has a space for accommodating the spring (5), the first fabric (P1).   The first fabric (P1) according to claim 8, which is reinforced with a hard plate (11).

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