JPH0416684A - Fastener - Google Patents

Abstract

PURPOSE:To improve the operational ability of a fastener by piledly fitting a male metal fittings on a female metal fittings made of a permanent magnet for adsorbedly engaging each other, and sliding a slide plate provided on the male metal fittings to disengage them. CONSTITUTION:A fixed plate 1 having an inserting hole 4 is formed with a female fastener A slidably holding a slide plate 2 having a inserting hole 6. A male fastener B having a projecting body 3 with a stretched engaging jaw part 3a and permanent magnets 8, 8' is formed. The fastener A is formed with a convex stripe 1c and a stripe-shaped groove 1d, and the fastener B is formed with a stripe-shaped groove 9d and a convex stripe 9c which fit into the above stripe ic and groove 1d. When the projecting body 3 is inserted in the holes 4, 6, the hole edge 6a of the slide plate 2 is attractedly engaged to the jaw part 3a, and the convex stripes 1c, 9c engage with the stripe-shaped grooves 1d, 9d, and they do not break away from each other without pushing the slideplate 2. Thus the fastener can be operated by only one touch, and firmly and steadily locked.

Description

[Detailed description of the invention] [Industrial field of application] The present invention is used for school bags, bags, etc. (D lid closing, belt buckle, folding prevention, etc.), and uses 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] A stopper with a unique structure that utilizes the attraction force of a permanent magnet has been used as a means for closing the cover of a land cell.

Such fasteners that use the attraction force of permanent magnets are generally easy to handle because they can be easily closed and closed by attracting each other, and released by pulling t + m, but on the other hand, the locking force is Since it is limited only to the adsorption force it has, it has been difficult to maintain a stable locked state.

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.

[Problems to be Solved by the Invention] In the conventional fasteners, after the male stopper is sucked into the female stopper in an inserted state, the female and male stops are mechanically removed by twisting the insertion part of the male stopper one by one. If this operation is not performed, there is an inconvenience that the lid of the school bag may come out unexpectedly.

Also, when opening a closed lid, etc., pick up the male and female stops with your hands, twist back the insertion part of the male stop that is inserted into the female stop, and then pull the male and female stops apart. Therefore, it is difficult to attach and remove the male and female stops, and it is not suitable as a stopper for bags or the like used by people with limited operating ability, such as young children.

In view of the drawbacks of the conventional fasteners using permanent magnets, the fastener according to the present invention has been developed by simply inserting the male stopper into the female fastener in an overlapping state. A stop that not only locks securely, but also allows one-touch release from the male and female stops by simply pushing or pulling the slide plate of the female stop that is locked when the male stop is inserted. In addition, the present invention aims to provide a stop structure in which male and female stops do not wobble when they are in a locked state.

[i! Means for Solving the Problem] In the present invention, in order to achieve the above object, the structure of the fastener is as follows. It has a ferromagnetic 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 provided with insertion holes 4.6 that communicate with each other. A suction surface 9 of the female stop A having a groove 9d or a protrusion 9C that is engaged with the protrusion 1c or groove 1d of the female stop A.
e, and a permanent magnet 8 which is erected on this suction surface 9e and has an overhanging engaging jaw 3a on the upper part, or a protrusion 3 having an overhanging engaging jaw 3a and the permanent magnet 8. A hole edge of the insertion hole 6 in the slide plate 2 of the female stop A that the male stop B inserted into the insertion hole 4.6 of the female stop A attracts. 6a is configured to be engaged with the engaging jaw portion 3a of the male stop B.

[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 male 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.

Moreover, the protruding strip 1 provided on the fixing plate 1 of the female stopper A
c or groove 1d is on the suction surface 9e of male stop B
d or the protrusion 9C and the protrusion 3 is engaged with the female stopper A.
Female stopper A is inserted and locked into the insertion hole of male stopper B.
It is adsorbed and locked without any play.

[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 that 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 plastic, and has a rectangular insertion hole 4 in the length direction, with a mounting portion 1a extending from one end in the length direction to the side. The projecting portion 1b is provided so as to protrude toward the side, and a screw or screw 11, etc. is attached to the mounting edge of the main body C or MC' of a school bag, etc., by holding it using a plate-shaped mounting bracket 1a'. It is installed in

Then, along the insertion hole 4 of this fixed plate 1,
Convex strips 1c, lc are provided in the longitudinal direction of this fixed plate 1.
Also, a groove 1d is provided in the width direction to serve as a locking means for a male stopper B, which will be explained later. In this embodiment, the groove 1d is provided as a transparent slit, but it may be configured as a simple groove.

Further, the slide plate 2 is made of a ferromagnetic material, is arranged in the same manner as the insertion hole 4 of the fixed plate 1, and communicates with the insertion hole 4, so that the width in the longitudinal direction of the slide plate 2 is the same as that of the insertion hole 4. An insertion hole 6 is provided which is wider than the width in the 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. Fit into the slide groove 5.5 of the plate 1, and stopper portions 5a, 5a at both ends of the slide groove 5.
It is designed to be able to slide freely between the two.

The stopper portion 58 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 operating piece portion 7 may be provided in an upright state, or may be configured to stand up on one side of the slide plate 2, and the operating piece portion 7 may be configured 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 male stopper B, which will be explained 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 may be determined as required.

The male stopper B has a protrusion 3 inserted into the insertion hole of the female stopper A, and a suction surface 9e to which the female stopper A is attracted.
In addition, protrusions 9C and grooves 9d are provided in positions surrounding the protrusion 3 in parallel or orthogonal directions.

The protrusions and grooves provided on the female stopper A and the male stopper B are provided at positions where they engage with each other when the female stopper A is attracted to the male stopper B. Further, the protruding strip may be formed by bending the fixing plate or the fixture 9 to protrude, or may be formed as a raised protruding piece cut up, or may be formed by assembling other members, or The grooves may be concave grooves or may be cut grooves.

Furthermore, these protrusions and grooves may be configured so that one of the female stopper A and the male stopper B is provided with a groove, and the other side is provided with only a protrusion, or a combination of these may be used. Also good.

In addition, these grooves or protrusions may be provided in any position and direction as long as they are on the surface to which the male and female fasteners are attracted and are not affected by the attachment and removal of the male and female fasteners. Also good.

The protrusion 3 has an engaging jaw 3a on the upper part of the entire circumference or a part thereof, and the permanent magnet 8 is made entirely of plastics containing hard magnetic powder, or the permanent magnet 8 is made of a non-magnetic material and a permanent magnet 8. Alternatively, it is made of a ferromagnetic material and a permanent magnet 8, and is shown in Figures 1 to 4.
As shown in the figure, the engaging jaw portion 3a is provided so as to face the mounting portion 1a of the fixing plate 1 when overlapping with the female stopper A. In the male stop B shown in FIGS. 1 to 4,
A projection housing 3' made of a non-magnetic material, a non-magnetic fixture 9 constituting the Daruma seat, a permanent magnet 8.8' incorporated in this fixture 9, and this permanent magnet 8.8° are assembled. It consists of a seat plate lO for attachment and a yoke 12.

The projection housing 3° has a rectangular parallelepiped shape with an arcuate cross section on the top side, has a storage chamber 3b opening downward, and is inserted into the insertion hole 4.6. An overhanging engaging jaw 3a is provided on the upper side of the slide plate 2 on the suction side, and between the engaging jaw 3a and the suction surface 9e of the fixture 9, A groove 3C is formed into which the hole edge 6a enters. Also, for both sides of the protrusion housing 3° (11), if the width of the protrusion housing is narrower than the width of 3°,
+1.3d is provided protrudingly, and this installation is done by forming stepped portions 3e, 3a on the base side of the pieces 3d, 3d, and also providing a bent piece 3f protruding from the free end of the mounting piece 3d. It is.

The fixture 9 has a flat, inverted dish shape with an opening at the bottom and has daruma seats 9a, 9a on both sides. piece 3d
It has a window 9b into which the protrusion 3 is inserted, and a protrusion 9c along the opposite side of the protrusion 3 from the locking jaw 3a.
Grooves 9d and 9d are provided on both sides of the protrusion 3 perpendicularly to C and extend to the end of the suction surface 9e on the engaging jaw 3a side.

Furthermore, the seat plate 10 has rising edges N10a, 10a on both sides of the seat plate 10, which fit into the recessed portions of the lower surface of the fixture 9, and insertion holes 10b, 10b for the 3° bent pieces 3f of the protrusion housing. It has a permanent magnet 8 incorporated in the storage chamber 3b of the protrusion housing 3° attached to the fixture 9, and a permanent magnet installed in parallel with this in the recessed part of the lower surface of the fixture 9. 8° is sandwiched between the protrusion housing 3' and the protrusion housing 3'.

The fixture 9 having the above structure is attached to either side of the main body C or the lid C° of a school bag or the like using an appropriate means such as a screw 11, and a buckle of a shoulder band or the like is attached to the daruma seat 9a. (Not shown) Further, the permanent magnet 8 used in the protrusion 3 may be magnetized on both sides or on one side. In the case of double-sided magnetization, the permanent magnet 8 attaches one magnetic pole face to the base side of the engaging jaw 3a of the protrusion 3, and in the case of single-sided magnetization, the permanent magnet 8 attaches the magnetic pole face to the engaging jaw 3a.
It is preferable that the engagement jaws 3a be fixed in a fitted manner in the direction in which the engagement jaws 3a protrude, and by providing a magnetic pole surface in the direction in which the engaging jaws 3a protrude, the attraction effect can be enhanced.

Furthermore, the permanent magnet 8' provided in order to efficiently attract the entire female stopper A is located in a recessed step on the lower surface of the fixture 9 on the side where the retaining jaws 3a are 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 FIGS. 3 and 4, when the protrusion 3 is inserted into the insertion hole 4.6 of the female stopper A, the hole edge 6a of the slide plate 2 is inserted into the opposite hole The hole edge 68 of the insertion hole 6 of the slide plate 2 on the side of the engagement jaw 3a is so that it is attracted to the engagement jaw 3a more than the JJ6b.
The corresponding hole edge 4 of the insertion hole 4 of the fixing plate 1
The hole edge 6b, which is close to the hole edge 6a and opposite to the hole edge 6a, is configured to be far from the hole edge 4b of the corresponding insertion hole 4 of the fixing plate.

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. Slide plate 2 on the side of the engaging jaw 3a of the protrusion 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 3c below the engaging jaw 3a of the protrusion 3. The slide plate 2 is locked.

Then, the female stop A that is attracted to the suction surface 9e of the male stop B is in a state where the hole edge 6a of the slide plate 2 is slid into the groove 3c below the engagement jaw 3a of the protrusion 3. in,
The protrusion 1c and the groove 1d of the female stopper A are engaged with the protrusion 9C and the groove 9d, which means that the female stopper A is assembled to the male stopper B.
The fixed plate 1 cannot be moved forward or backward or left or right, and at the same time the hole edge 6a of the slide plate 2 is engaged in the groove 3C below the engagement jaw 3a. Therefore, it becomes impossible to move the female stop A in the direction of separating it from the male stop B.

The female stopper A, which is thus locked to the protrusion 3 of the male stopper B, is separated from the male stopper B while pushing the operating piece 7 in the direction of the arrow F in FIG. The lock is released.

The stop of the embodiment shown in FIG.
On the other hand, the female stop A is configured to be fitted from the slide plate 2 side of the female stop A, and the hole edge of the insertion hole 4 of the fixed plate 1 is fitted to the top side of the protrusion 3. be.

The fastener of this embodiment has a structure in which the female fastener shown in FIG. The protruding strip 9 of the male stopper B is formed in this cut-out groove 1d.
C is configured to be locked.

Next, in the embodiment shown in FIG. 5, the engaging jaw 3a on the protrusion 3 of the male stop B is provided in a direction opposite to that of the embodiments described above. Components that are the same as those in the embodiment are indicated by the same numbers.

In this embodiment, in order to ensure that the male stopper B and the female stopper A can be attached and removed, the operating piece 7 of the slide plate 2 of the female stopper A is erected toward one side of the slide plate 2. This is provided.

The stop according to this embodiment is operated by pulling the operating piece 7 of the slide plate 2 in the direction of the arrow F'' in FIG.
The female and male stops in the locked state are released by operating them in the direction of pulling them away from the male stop B, and the female and male stops are inserted into the protrusion 3 of the male stop B in the engaged state. A standstill condition is automatically created.

The male stopper B of the embodiment shown in FIG. The projection 3 is directly fixed to the projection 9 with an insert bolt 13 and a nut 14, and the same components as in the previous embodiment are designated by the same numbers.

Note that the fixed plate 1 is not provided with the slide groove 5 as in the above-mentioned embodiment, but slide grooves facing each other are provided on both side edges of the slide plate 2, and the fixed plate is assembled by fitting into the slide groove. It may also be used as a female stopper A.

Furthermore, the fixing plate 1 and the slide plate 2 that constitute the female stopper A can be assembled to each other in any structure as long as they can slide within a certain range, for example, the fixing plate A female stopper that slidably inserts and locks a slide plate bottle into a slide groove provided in the
A female stop or the like can be used in which a slide plate is slidably assembled into a fixed plate configured in the shape of a flat box.

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 fasteners can be installed on either the main body side or the lid side. It's okay to be beaten. In addition, various bags and categories other than school bags and bags,
It can be used for any article that has an opening/closing part, such as doors and the like.

[Effects] As described above, the fastener according to the present invention includes the fixing plate 1 and the slide plate 2 that is slidable along the surface of the fixing plate 1, and the fixing plate 1 and the slide The 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 engagement jaw 3a on the upper portion thereof, or an overhang-shaped retaining jaw 3a and a permanent magnet 8, which is inserted into the projection body 3. 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 protrusions and grooves provided on the female stop A and the male stop B are engaged with each other. .

As a result, the male and female stops can be engaged by simply inserting the male stop B into the female stop A, and the engaged male and female stops can be attached to the M unless the operating piece 7 of the slide plate 2 is operated. It does not come off, the fixed state is maintained stably, and there is no play between the male and female stems.

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 stopper according to the present invention, FIG. 2 is a perspective view showing the back side of the female stopper, and FIGS. 3 and 4 are the same. FIG. 5 is a cross-sectional view showing the fastening state of the stopper of another embodiment; FIG.
The figure is a perspective view with parts separated of a stopper according to still another embodiment, and FIG. 7 is a perspective view with parts separated showing still another embodiment of a male stopper. A...Female stop, B...Male stop, C...Body, C゛...Lid 1...Fixing plate, 2...Slide plate, 3
... protrusion, 4 ... insertion hole, 5 ... slide structure,
6... Insertion hole, 7... Operating piece, 8... Permanent magnet, 9... Mounting tool, 10... Seat plate, 11... Screw,
12...Yoke, 13...Bolt, 14...Nut. Diagram

Claims (1)

[Scope of Claims] 1. A fixed plate having a protruding strip or groove, and a ferromagnetic slide plate that is slidable along the surface of the fixed plate, and the fixed plate and the slide a female stopper in which a plate is provided with insertion holes that communicate with each other; and an adsorption surface of the female stopper that has a groove or a protrusion that is engaged with the protrusion or groove of the female stopper; , a male stopper that is erected on the suction surface and has a permanent magnet having an overhanging engaging jaw on the upper part, or a protrusion having an overhanging engaging jaw and a permanent magnet. , the hole edge of the insertion hole in the slide plate of the female stop that is attracted by the male stop inserted into the insertion hole of the female stop is engaged with the engagement jaw of the male stop; Features a stop.