JPH0415901A - Fastening - Google Patents

Abstract

PURPOSE:To make a male and female fastenings detachable in a one-shot operation by a method wherein a pair of fastenings comprises a female fastening having an inserting hole communicating with a fixed plate and a ferromagnetic slide plate, and a male fastening having an engaging neck in an overhanging state and a permanent magnet, and the male fastening is inserted into an inserting hole. CONSTITUTION:When a male fastening B is brought close to a female fastening A, the female fastening A is attracted to a permanent magnet 8 of the male fastening B and a projection 3 of the male fastening B is inserted into inserting holes 4 and 6 of the female fastening A. A hole edge 6a of the inserting hole 6 of a slide plate 2 is attracted to the permanent magnet 8, the hole edge 6a is automatically engaged with an engaging neck 3a, and the male fastening B cannot be separated from the female fastening A if the hole edge 6a is not disengaged with the engaging neck 3a by moving the slide plate 2 in a sliding manner by an operational portion 7. In addition, the projection 3 is closely inserted into the inserting hole 4 in an inserting state, whereby there is not produced any gap between the female and male fastenings.

Description

[Detailed Description of the Invention] [Field of Industrial Application] The present invention is used for closing the M of a lunch cell, bag, box'tp, buckling a belt, preventing folding, etc., and utilizes the attraction force of a permanent magnet. To provide a fastener which can be easily latched and which does not have to be opened inadvertently.

[Prior Art] Various types of fasteners using the attractive force of permanent magnets have been used as means for closing the covers of school bags.

Such fasteners that use the attraction force of permanent magnets are generally easy to handle, as they are easy to attract, close, and separate and release. However, it was difficult to maintain the locked state stably.

Therefore, the female stopper is temporarily attached to the male stopper that has a permanent magnet, and then the insertion part of the male stopper inserted into the female stopper is twisted to mechanically lock the female and male stoppers. It is generally attempted to create a condition.

[Invention tries to solve! ! With the conventional fasteners mentioned above, it is necessary to mechanically lock the male and female fasteners by twisting the insertion part of the male fastener one by one after adhering the male stopper to the female fastener in the inserted state. If you do not perform these operations, there is an inconvenience that the back of your school bag may open unexpectedly.

Also, when opening a closed i etc., pick each female and male stop with your hands, twist back the insertion part of the male stop inserted into the female stop, and then pull the male and female stops in the direction of pulling them apart. It is necessary to operate the device, and the operation of attaching and detaching the male and female stops is complicated, and it is not suitable as a stopper for bags or the like used by persons with limited operating ability, such as infants.

In view of the drawbacks of the conventional fasteners using permanent magnets, the stopper according to the present invention has been developed by simply inserting the male stopper into the female stopper in an overlapping state. In addition to securely locking, the male and female stops can be detached with a single touch by simply pushing the slide plate of the locked female stop against the vehicle or pulling it off. Regarding the provision of a stopper structure, another object of the present invention is to provide a stopper structure that does not rattle when male and female stoppers are in a locked state.

[Means for Solving the Problems] In order to achieve the above object, the present invention has a structure of a stopper as follows: a fixed plate 1 and a ferromagnetic slide that is slidable along the surface of the fixed plate 1. having a plate 2;
and a female stopper A in which the fixing plate 1 and the slide plate 2 are provided with insertion holes 4.6 that communicate with each other.
and a male stopper consisting only of a permanent magnet 8, which is a protrusion 3 inserted into the insertion hole 4.6 of the female stopper A, and the protrusion 3 has an overhanging engaging jaw 3a on its upper part. B or an overhanging engagement part 3a composed of a separate member and a permanent 1if! and a male stop B having a diameter of 58, and the male stop B inserted into the insertion hole 4.6 of the female stop A attracts the insertion hole 4.6 of the female stop A in the slide plate 2. The hole edge 6a of the hole 6 is engaged with the engagement flange 3a of the male stop B, and the protrusion 3 of the male stop B is tightly fitted into the insertion hole 4 of the fixing plate 1 of the female stop A. This is the configuration that is inserted into the .

[Function] In the stop configured as described above, when the female stop A is brought close to the male stop B, the female stop A is attracted to the permanent magnet 8 of the male stop B, and the male stop B is The projection 3 is inserted into the insertion hole 4.6 of the female stop A.

As the protrusion 3 of the male stop B is inserted, the hole edge 6a of the insertion hole 6 of the slide plate 2 is attracted to the permanent magnet 8 of the protrusion 3, and the hole edge 6a is attracted to the permanent magnet 8. hole edge 6
a and the engaging jaw 3a are automatically engaged, and the female stop B and the female stop A are engaged with the engaging jaw 3a by sliding the slide plate 2 using the operating piece 7. It cannot be pulled apart unless the hole edge 6a is opened.

Further, when the female stopper B is inserted into the female stopper A, the protrusion 3 is tightly inserted into the insertion hole 4 of the fixing plate 1,
There is no play between the male and female stops.

[Example] An example of the fastener according to the present invention will be described below with reference to the drawings.

The stopper consists of a female stopper A and a male stopper B, and this embodiment is for use in a school bag.

The female stopper A consists of a rectangular fixing plate 1 and a slide plate 2 which can be slid by engaging both side edges into a pair of slide grooves 5.5 provided oppositely on both sides of the fixing plate 1 in the longitudinal direction. It consists of Note that the slide groove 5 may be formed integrally with the fixed plate 1 or may be formed separately.

The fixing plate 1 is typically made of a non-magnetic material such as brass or plastics, and has two rectangular insertion holes 4.4 arranged in the lengthwise direction. The extended attachment part la is attached to the attachment edge of the main body C or lid C' of the school bag or the like by screws or screws 11, etc., using plate-shaped attachment fittings 1a'.

Further, the slide plate 2 is made of a ferromagnetic material, is arranged in the same manner as the insertion hole 4.4 of the fixed plate 1, and communicates with the insertion hole 4.4, so that the width in the longitudinal direction of the slide plate 2 is the same as the insertion hole 4.4. An insertion hole 6.6 is provided which is wider than the width of the hole 4 in the same direction.

Moreover, this slide plate 2 has an operating piece part 7 protruding from one end in the longitudinal direction with a width narrower than this slide plate 2, and this operating piece part 7 is fixed in a direction opposite to the side of the mounting part 1a. It is fitted into the slide groove 5.5 of the plate 1, and is configured to be able to slide freely between stopper portions 5a and 5g at both ends of the slide groove 5.

The stopper part 5a on one side of the slide groove 5 may be constructed so as to cover the side opening of the groove 5 with the above-mentioned mounting bracket 1a'.

Further, the operation piece part 7 may be provided in an upright state, or may be constructed so as to stand up on one side of the slide plate 2, and the operation piece part 7 may be arranged so as to protrude from the slide groove 5.5. It suffices if it is assembled to the fixed plate 1 in a manner similar to that shown in FIG.

Furthermore, like the slide plate 2, the fixed plate 1 may be made of a ferromagnetic material. In this case, it is preferable to configure the female stopper A so that the side of the fixing plate 1 is the side that attracts the female stopper B, which will be described later.

In addition, fixing plate 1, slide plate 2, insertion hole 4.
The shape and size of 6 and the number of insertion holes 4.6 are not specified and can be made as required. Male stop B is the insertion hole 4 of female stop A. and a protrusion 3 inserted into the insertion hole 6, which has an engaging jaw 3a on its upper part around the whole circumference or on the negative part, and is made entirely of plastic containing hard magnetic powder. It consists of a permanent magnet 8, or a non-magnetic material and a permanent magnet 8, or a ferromagnetic material and a permanent magnet 8, and as shown in FIGS. 1 to 3, the engaging jaw portion 3a is is a fixed plate! mounting part 1a of
It is installed so that it faces towards the side. This 'M1 figure ~ 3rd
The male stop B shown in the figure includes a protrusion housing 3° made of a non-magnetic material and a non-magnetic fixture 9 that constitutes a daruma seat.
and a permanent magnet 8.8° incorporated into this fixture 9,
It consists of a seat plate 10 for assembling this permanent magnet 8.8°.

The protrusion housing 3' has a rectangular parallelepiped shape with an arcuate cross section on the top side, and has a storage chamber 3b that opens downward and is inserted into the insertion hole 4.6. At this time, an overhanging engaging jaw 3a is provided on the upper side of the slide plate 2 on the suction side, and an overhanging fixing portion 3c is provided on the lower side. A groove 3d into which the hole edge 6a of the slide plate 2 fits is formed between them. Further, on both sides of the protrusion housing 3', pieces 3e and 3e are provided protrudingly for mounting the width narrower than the width of the protrusion housing 3°, and for this mounting, a stepped portion is provided on the base side of the pieces 3e and 3e. 3f, 3f are formed, and a bent piece 3 is attached to the free end of the mounting piece 3e.
g is provided protrudingly.

Furthermore, the fixture 9 has a flat, inverted dish shape with an opening on the bottom surface and has Darma seats 9a, 9a on both sides, and the step part 3f of the protrusion housing 3' engages with the window edge, so that the installation is not possible. Piece 3e
It has a window 9a into which is inserted.

Further, the seat plate 10 has, on both sides thereof, upright walls 1 (1g, 10a it, 'r
At the same time, the bent piece 3 of the protrusion housing 3°
It has insertion holes 10b and lOb of g, and has a permanent magnet 8 assembled in a storage chamber 3b of 3 degrees of the protrusion housing assembled to the fixture 9, and a recess on the lower surface of the fixture 9 installed in parallel with the permanent magnet 8. A permanent magnet 8'' incorporated in the protrusion housing 3
The structure is such that it is sandwiched between the

The fixture 9 having such a configuration is attached to either side of the main body C or JiC" of a school bag or the like using an appropriate means such as a screw 11, and a shoulder hand buckle or the like is attached to the Daruma seat 9a (not shown). Further, the protruding fixing portion 3C extending 3 degrees from the protrusion housing has a shape and size that tightly fits into the insertion hole 4 of the fixing plate 1 of the female stopper A.

In addition, the permanent magnet 8 used in the protrusion 3 may be double-sided magnetized or single-sided magnetized. In the case of double-sided magnetization, the permanent magnet 8 is located closer to the base than the engaging jaw 3a of the protrusion 3. one magnetic pole surface, or in the case of single-sided magnetization, the magnetic pole surface with the engaging jaw 3a.
It is preferable that the engagement jaws 38 be fixed in a fitted manner in the direction in which the engagement jaws 38 protrude, and that the magnetic pole surface is provided in the direction in which the engaging jaws 38 protrude, thereby enhancing the adsorption effect.

Furthermore, the permanent magnet 8'' provided in order to efficiently attract the entire female stopper A is located in the recessed step on the lower surface of the fixture 9 on the side where the engaging jaw 3a is provided, or on this side. It is preferable to use attachments on both sides of the permanent magnet 8 attached to the protrusion 3.

Next, as shown in FIG. 3, when the projection 3 is inserted into the insertion hole 4.6 of the female stopper A, the hole edge 6a of the slide plate 2 is lower than the opposite hole edge 6b. In order to be attracted to the engaging jaw 3a, the hole edge 6a of the insertion hole 6 of the slide plate 2 on the side of the engaging jaw 3a is aligned with the hole edge 6a of the corresponding insertion hole 4 of the fixed plate 1. A hole edge 5b which is close to the hole edge 4a and opposite to the hole edge 6a is configured to be far from the corresponding hole edge 4b of the insertion hole 4 of the fixing plate 1.

That is, the width of the insertion hole 4 of the fixed plate 1 in the operating direction is narrower than the width of the insertion hole 6 of the slide plate 2 in the operating direction, and the protrusion of the male stopper B inserted into this insertion hole 4. Slide plate 2 on the side of the engaging jaw 3a of the body 3
It is preferable that the hole edge 6a of the insertion hole 6 is always positioned closer to the protrusion 3 than the other hole edge 6b.

As a result, the slide plate 2 moves only toward the engaging jaw 3a of the protrusion 3 inserted into the insertion hole 4.6, and slides into the groove 3d below the engaging jaw 3a of the protrusion 3. The slide plate 2 is locked.

Then, with the hole edge 6a of the slide plate 2 slid into the groove 3d below the engaging jaw 3a of the protrusion 3, the protrusion fixing part 3C of the protrusion 3 is inserted into the insertion hole 4 of the fixing plate 1. The fixing plate of the female stopper A is assembled to the male stopper B by closely fitting together! At the same time, the hole edge 6a of the slide plate 2 is engaged in the groove 3d below the engagement jaw 3a, so the female stopper When A is pulled from the male stop B, it becomes impossible to move it in the heel direction.

The female stopper A, which is thus locked to the projection 3 of the male stopper B, can be locked by pushing the operating piece 7 in the direction of arrow F in FIG. 3 and then pulling it away from the male stopper B. The stoppage is lifted.

The stop in the embodiment shown in FIGS. 4 and 5 is a male stop B.
The engaging jaw portion 3a of the protrusion 3 is provided in the opposite direction to that of the stop in the previous embodiment, and parts having the same configuration as in the previous embodiment are designated by the same numbers. This is an indication.

In the stopper of this embodiment, the slide plate 2 is
A yoke 12 is attached to the groove 3d between the engaging jaw portion 3a and the protruding fixing portion 3C so that the magnet can be reliably attracted, and a magnetic pole plate 13 is also provided on the side of the seat plate 10 to prevent magnetic leakage. It is said that

In this embodiment, it is adsorbed to the protrusion 3 of the male stop B.
The female and male stops are locked by pulling the locked slide plate 2 in the opposite direction to the previous embodiment toward the arrow F in FIG. 5 and separating the female stop A from the male stop B. This is a configuration used to solve the problem.

The fastener of the embodiment shown in FIG. 6 does not have a slide groove in the fixed plate 1, but has both side edges of the slide plate 2 bent into a U-shape so that the mutually configured slide grooves 5 and 5 face each other. The fixing plate 1 is inserted between this slide groove 5.5.
The fixed plate 1 is configured to fit into each other, and both sides of the mounting portion Ia side of the fixed plate 1 are widened to form a stepped portion 1b, and between the stopper IC and the stopper IC provided bendably at the other end, the fixed plate 1 is Slide plate 2 fitted to 1
The structure is such that the same components as in the previous embodiment are designated by the same numbers.

In this embodiment, since the slide plate 2 of the female stopper A to be fitted into the protrusion 3 is positioned on the base side of the protrusion 3, the slide plate 2 is inserted on the base side of the protrusion 3. A groove 3d into which the hole edge 6a of the hole 6 slides is provided, and an engaging jaw 3a is formed in a projecting manner on this groove 3d, and this engaging jaw 3a is connected to the fixing plate of the female stopper A. The insertion holes 4 of 1 form an overhanging fixing portion 3c that is tightly fitted into each other.

In this way, in the fastener according to this embodiment, the female fastener A can be fitted onto the protrusion 3 of the male stopper B from either side of the fixed plate 1 or the slide plate 2 that constitute the female fastener A. Alternatively, the engaging jaws 3a on the protrusion 3 of the male stop B may be directed toward the base side of the fixing plate 1 of the female stop A. It may be configured in the opposite direction.

Furthermore, the assembly of the slide plate 2 to the fixed plate 1 constituting the female stopper A is not limited to the configuration of the previous embodiment, but may be configured such that the slide plate 2 can move relative to the fixed plate 1 by a constant width. For example, a female stopper in which a slide plate bottle is slidably inserted and locked into a slide groove provided in a fixed plate, or a fixed plate configured in a flat box shape that can be slid inside. A female stopper with a slide plate attached can be used.

The male stopper B of the embodiment shown in FIG. It is configured to further extend outward in an arc shape from the rectangular parallelepiped portion, and the concave groove 14 in which the female stopper A is accommodated is configured by the raised portion 9C19C of the fixture 9, and the concave groove 14 An engaging groove 14a is provided on the surfaces of the opposing raised portions 9c, 9c.

The female stopper A used for attachment to the male stopper B has a shape in which the insertion hole 4 of the fixing plate 1 approximates the planar cross-sectional shape of the overhanging fixing portion 30 of the protrusion 3 of the male stopper B. It is said that
The protrusions 3 of the protruding fixing portion 3C are tightly fitted together, and protrusions that fit into the engaging grooves 14a are provided on both sides of the fixing plate 1.

In the male stop B of the embodiment shown in FIG. 8, the protrusion 3 of the male stop B is made of synthetic resin containing hard magnetic powder, and can be mounted without using the protrusion housing 3. The projection 3 is directly fixed to the tool 9 using an insert bolt 15 and a nut I6, and the same components as in the previous embodiment are designated by the same numbers.

Each of the above-mentioned embodiments is illustrated as a female and male stopper used for school bags, bags, etc., and the female and male stops may be provided on either the main body side or the lid side. good. Further, it can be used for any article having an opening/closing part, along with various bags other than school bags and bags, boxes, 5iI types, etc.

[Effects] As described above, the fastener according to the present invention has the fixed plate 1 and the slide plate 2 that is slidable along the surface of the fixed plate 1, and the fixed plate 1 and the slide plate 2 are slidable along the surface of the fixed plate 1. The slide plate 2 has a female stop A provided with an insertion hole 4.6 communicating with each other, and an insertion hole 4.6 of the female stop A.
A male stop B consisting of a permanent magnet 8 having an overhanging engaging jaw 3a on the upper portion thereof, or an overhanging engaging jaw 3a and a permanent magnet 8. and a hole edge of the insertion hole 6 in the slide plate 2 of the female stop A, which the male stop B inserted into the insertion hole 4.6 of the female stop A attracts. 6a is suction engaged with the engaging jaw 3a of the male stop B, and the insertion hole 4 of the fixing plate 1 of the female stop A is inserted into the protruding fixing part 3C of the protrusion 3 of the male stop B. It is work that fits closely together.

As a result, the male and female stops can be locked by simply inserting the male stop B into the female stop A, and the locked male and female stops can be locked unless the operating piece 7 of the slide plate 2 is operated. It has the advantage that it does not come off, the locked state is maintained by the guide, and there is no play between the male and female stops.

Furthermore, the locked male and female stops can be released by simply pushing the operating piece 7 of the slide plate 2 of the female stop A toward the vehicle or pulling it back, and the locking is firm. Although it is a stopper, it has the advantage of being able to easily release the male and female stoppers with a one-touch operation.

[Brief explanation of the drawing]

Fig. 1 is a perspective view with parts separated showing a typical embodiment of the fastener according to the present invention, Figs. 2 and 3 are sectional views showing the fastening state of the fastener, and Figs. FIG. 5 is a cross-sectional view showing the locked state of a stopper of another embodiment, FIG. 6 is a perspective view with parts separated showing a stopper of still another embodiment, and FIG. 7 is a sectional view of a stopper of still another embodiment. FIG. 8 is a perspective view showing an embodiment of the present invention, and FIG. 8 is an exploded perspective view showing another embodiment of a male stop. A... Female stopper, B... Male stopper, C... Main body, C.
... Lid 1... Fixed plate, 2... Slide plate, 3
... protrusion, 4 ... insertion hole, 5 ... slide groove,
6...Insertion hole, 7...Operation piece, 8...Permanent magnet, 9...Mounting tool, lO...Seat plate, 11...Screw,
12... Yoke, 13... Magnetic pole plate, 14... Concave groove, 15... Bolt, +5... Nut. Diagram

Claims (1)

[Claims] 1. A female comprising a fixed plate and a ferromagnetic slide plate that is slidable along the surface of the fixed plate, and the fixed plate and the slide plate are provided with insertion holes that communicate with each other. a stopper, and a male stopper or an overhanging engaging jaw made of a permanent magnet, which is a protrusion inserted into the insertion hole of the female stopper, the protrusion having an overhanging engaging jaw portion on the upper part; and a male stopper having a permanent magnet, and the hole edge of the insertion hole in the slide plate of the female stopper is attracted by the male stopper inserted into the insertion hole of the female stopper. A stopper characterized in that the male stopper is engaged with an engaging jaw of the tool and tightly inserted into an insertion hole of the fixing plate.