JPH03283406A - Locking means - Google Patents

Abstract

PURPOSE:To slidingly move a sliding plate by attracting it to the inserting hole by the permanent magnet of a protruding member, to automatically engage the plate, and to prevent it from comning off inadvertently by a method wherein the protruding member of a male locking means is inserted into the inserting hole communicated to either of the fixed plate or the sliding plate of a female locking means. CONSTITUTION:A male locking means B is superposed on a female locking means B, and a protruding part 3 is inserted into the inserting hole 4 of a fixed plate 1 and the inserting hole 6 of a sliding plate 6 communicated to the inserting hole 4. Female locking means A is engaged to an engaging jaw part 3 in such a manner that the hole edge 6a of the sliding plate is attracted to a permanent magnet 8 of the protruding part 3 in the state wherein the hole edge 6a on the side of the engaging jaw part 3a of the protruding part 3 is positioned close to the hole edge 4a of the fixed plate 1 and the hole edge 6b is positioned on the further side of a hole 4b. In order to separate the above-mentioned engagement, a control part 7 is pulled to the direction reverse to the attached part 1a of the fixed plate 1, and as a result, a sliding plate 2 is slidingly moved, the engagement between the hole edge 6a and the engaging jaw part 3a is removed, and the male locking means B is released from the female locking means A.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is used for closing school bags, bags, boxes, etc. and lids, buckling belts, preventing folding, etc., and uses the attraction force of a permanent magnet. To relate to a fastener which is easily latched and which prevents the worry of inadvertent opening.

[Prior art] Some of the above-mentioned fasteners used for school bags and other items use permanent magnets to attach the female and male parts to fix the lid on the main body. If there is no suction force, it will easily come off, and even if it is quite strong, it will come off relatively easily if a force like a screw acts on the suction surface. things were being used.

[The invention attempts to solve i! However, with the conventional fasteners mentioned above, it is cumbersome to operate the locking piece to close the lid, etc., and if you forget to operate the locking piece, the lid will open without you realizing it. There are disadvantages in that school children in particular tend to forget to lock the stopper provided on the lid of their school bag, and the lid often opens when running or jumping.

In view of the above-mentioned situation, the present invention aims to provide a stop that is automatically locked by simply closing the lid and stacking the male tool on the female tool, and is prevented from being accidentally removed.

[Means for Solving the Problems] In order to achieve the above-mentioned object, the present invention has a stop structure that includes a fixing plate 1 and a slide plate 2 that is slidable on the surface of the fixing plate 1. and a female stopper A having insertion holes 4.6 that communicate with each other in the fixed plate 1 and the slide plate 2, and a female stopper A that is inserted into the insertion hole 4.6 of the female stopper A. A male stop B or an overhanging engaging jaw 3 consisting of a permanent magnet 8 having an overhanging engaging jaw 3a on the upper part of the projection 3.
a and a male stop B having a permanent magnet 8, the male stop B inserted into the insertion hole 4.6 of the female stop A attracts the insertion of the female stop A into 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 permanent magnet 8 of the male stop B has a suction surface on the side that attracts the slide plate 2. It is assumed that a yoke 11 is provided.

[Function] In the stop configured as described above, when the protrusion 3 of the male stop B is inserted into the insertion hole 4.6 of either the fixed plate 1 or the slide plate 2 of the female stop A, which communicates with each other, The hole 1i6a of the insertion hole 6 of the slide plate 2 is the permanent magnet 8 of the protrusion 3.
The hole edge 6a is attracted to the yoke 11 provided on the permanent magnet 8, and the hole @6a and the engagement type t133a are automatically engaged, and the male stopper B and the female stopper A are connected. is the operation piece 7
to slide the slide plate 2 and engage the engaging jaws 3a.
It cannot be pulled apart unless the hole edge 6a that is engaged with the hole edge 6a is released.

[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 male 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 made of a non-magnetic material such as brass or plastic, and has two rectangular insertion holes 4.4 arranged in the length direction, and has two rectangular insertion holes 4.4 extending at one end in the length direction. Mounting part 1
A is attached with screws or rivets 9 so that the attachment edge of the main body C or lid C' of a school bag or the like is held between 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.

Further, at one end in the longitudinal direction, there is an operation piece part 7 raised up on one side of the slide plate 2, and this operation piece part 7
It is fitted into a slide groove 5.5 of the fixed plate 1 with its side facing away from the mounting side, and is slidable between stopper portions 5a and 58 at both ends of the slide groove 5.

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, but are determined as necessary.

The male stop B is the insertion hole 4 of the female stop A and a protrusion 3 that is inserted into the insertion hole 6. The permanent magnet 8 is made entirely of plastics containing hard magnetic powder, a non-magnetic material and a permanent magnet 8, or a ferromagnetic material and a permanent magnet 8, as shown in FIGS. 1 to 5. The mounting portion 3 is extended toward the base side so that the engaging jaw portion 3a faces the direction opposite to the mounting portion la side of the fixing plate 1 when stacked with the female stopper A.
b or directly to the blue C° or main body C of school bags etc.
It is attached to the seat plate 10 with screws or rivets 9.

Further, the permanent magnet 8 used in the protrusion 3 may be magnetized on both sides or on one side. In the case of a non-magnetic material and a permanent magnet 8, or a ferromagnetic material and a permanent magnet 8, for example, as shown in FIG. is fixed in a fitted manner with one magnetic pole surface a facing the protruding direction of the engaging jaw 3a, and in the case of single-sided magnetization, the magnetic pole facing the protruding direction of the engaging jaw 3a. A yoke 11 is attached to surface a to enhance the suction effect.

As shown in FIG. 13, the yoke 11 has a flat plate shape with the protruding side of the engaging jaw 3a serving as a suction surface (A), and has a U-shaped cross section, with its wide side serving as the suction surface. (b), the cross section is U-shaped, and the free ends of both parallel wall surfaces are provided with a suction surface (d), and a flat plate-shaped yoke 11 is provided on each of the magnetic pole faces. In the case where the yoke 11 is provided with an L-shaped cross section on both magnetic pole faces, and the portion on the magnet surface between the pole faces is an attractive surface (e), There are things that are considered to be the most important.

In addition, in the case of the permanent magnet 8 that is magnetized on one side, it is provided along the S and N magnetic poles on both sides of the magnetic pole surface, and the space between them is an attractive surface (G), and the cross section is U-shaped. There is a type (H) in which the free ends of the parallel side walls protrude from the magnetic pole surface, and the area between the protruding ends is an attractive surface.

In some cases, a ferromagnetic magnetic shield plate 12 is provided on the other magnetic pole face to prevent magnetic leakage from this magnetic pole face.

In addition, since the engaging jaw portion 3a protrudes beyond the suction surface,
For example, even if a magnetic card or the like comes into contact with the suction surface, it will come into contact with the protruding engaging jaws 3a and will not come into close contact with the suction surface, thus providing an effective magnetic shielding effect.

When this male stop B is superimposed on the female stop A, '! J2
As shown in the figure, the protrusion 3 fits into the insertion hole 4 of the fixed plate 1 and the insertion hole 6 of the slide plate 6 which communicates with the insertion hole 4. In the female stopper A, the hole 11i6a on the side of the engaging jaw 3a of the protrusion 3 of the insertion hole 6 of the slide plate 2 is close to the hole edge 4a of the corresponding insertion hole 4 of the fixed plate 1,
The opposing hole edge 6b is far from the hole edge 4b of the corresponding insertion hole 4, and the hole edge 6a of the insertion hole 6 of the slide plate 6 on the engagement jaw 3a side is connected to the permanent magnet 8 of the protrusion 3. It is attracted to the suction surface, engages with the engaging jaw portion 3a, and becomes unable to separate the female stopper A and the male stopper B.

When releasing this, as shown in FIG. 3, by pulling the operating piece 7 in the opposite direction to the mounting part 1a of the fixed plate 1, the slide plate 2 slides, and the hole edge 6a is brought into contact with the engaging jaw part 3.
The engagement with a is released, and the male stop B is released from the female stop A.

Figure y85 and Figure 6 show the engaging jaw 3a of the protrusion 3 of the male stop B.
The sixth embodiment is installed in the opposite direction to the above embodiment.
This is an embodiment in which the engagement between the hole M6a and the engagement jaw 3a is released by pushing the operation piece of the slide plate 2 as shown in the figure.

7 to 10 show the female stopper A installed upside down in the opposite direction to that shown in FIG. It is fitted into the Azusa 5.5 and is slidable between the stepped portion 1b provided at both ends of the voice side edge of the fixed plate and the stopper 10, and the engaging jaw portion 3a is placed on the mounting portion fa side. When the engagement jaw 3a is facing the opposite direction from the mounting portion la side, the operation piece 7 is released as shown in Figure 1O to release the engagement. The engagement is released by pulling the button.

Figure 1 shows that the fixing plate 1 and the sliding plate 2 have seven elongated holes 13.13 along both sides of their respective surfaces.
and 14.14, and the fixed plate 1 and the slide plate 2 are placed in an overlapping manner, and a bottle is placed between the through holes 13.14. 5 is inserted, and both plates 1.2 are slidably attached.

In this case, the slide plate 2 may be stacked on either the upper or lower side of the fixed plate 1, and the engaging jaws of the protrusion 3! 1s3a
The projecting direction may be either toward the mounting portion 18 or in the opposite direction.

Figure 's13 shows an embodiment in which the fixing plate 1 is of a flat box type, and the cross section perpendicular to the longitudinal direction is U-shaped. 1, and a slide plate 2 is slidably inserted between the fixed plate 1 and the flat plate 1'.

The flat plate 1° is provided with a hole 1'' extending over a portion corresponding to the insertion hole 4.4 of the fixed plate 1, and the protrusion 3 of the male stop B is inserted into the insertion hole 4 of the fixed plate 1 and the slide plate 2. It is designed so that there is no problem when it is inserted into the insertion hole.

[Effects] As described above, the fastener according to the present invention includes a fixing plate and a slide plate that is slidable along the surface of the fixing plate, and the fixing plate and the slide plate have mutual contact with each other. a female stopper provided with an insertion hole communicating with the female stopper, and a protrusion inserted into the insertion hole of the female stopper, the protrusion comprising a permanent magnet having an overhanging engagement jaw on the upper part. or a male stop having an overhanging engaging jaw and a permanent magnet, and the male stop inserted into the insertion hole of the female stop attracts the slide plate of the female stop. A hole edge of an insertion hole is engaged with an engaging jaw of the male stop, and the permanent magnet of the male stop is provided with a yoke whose attraction surface is the side that attracts the slide plate. Therefore, when the projection 3 of the male stop B is inserted into the communicating insertion hole 4.6 of either the fixed plate 1 or the slide plate 2 of the female stop A, the permanent magnet 8 of the projection 3 is inserted. The hole edge 6a of the insertion hole 6 is attracted and the slide plate 2 slides, and the hole edge 6a becomes a yoke! 1, the hole edge 6a and the engaging jaw 3a engage with each other.

Therefore, unless the slide plate 2 is slid by the operation piece 7, the engagement between the engagement jaw 3a and the hole edge 6a will not come off.
Since the male stopper B and the female stopper A do not separate, the lid of a bag or the like is completely prevented from being opened without the user's knowledge.

In addition, as mentioned above, the male stopper B and the female stopper A are automatically locked, so there is no need for the troublesome manual locking operation that is required with conventional fasteners. It is safe even for younger children.

[Brief explanation of drawings]

Fig. 1 is an exploded perspective view of an embodiment of the fastener according to the present invention, Fig. 2 is a sectional view showing the engagement state of the same embodiment, and Fig. 3 is a sectional view of the same showing the disengagement operation. The figure is a perspective view of the protrusion.
Fig. 5 is a cross-sectional view showing the engaged state of the embodiment in which the protruding direction of the engaging jaw portion of the above embodiment is reversed, Fig. 6 is the same cross-sectional view showing the disengagement operation, and Fig. 7 is a sectional view showing the engagement state of the embodiment in which the protruding direction of the engaging jaw portion of the above embodiment is reversed. An exploded perspective view of the embodiment in which the tool is turned upside down from the above embodiment, FIG. 8 is a cross-sectional view of the same embodiment, and FIG. 9 is a cross-sectional view showing the engaged state of the same embodiment.'! Figure J10 is a sectional view showing the engaged state of an embodiment in which the protruding direction of the engaging jaw is reversed, Figure 11 is an exploded perspective view of another embodiment of the fastener, and Figure 12 is a diagram of the same embodiment. A sectional view, FIG. 13 is an exploded perspective view of another embodiment of the fastener, and FIG.
FIG. 4 is a sectional view of the same embodiment, and FIG. 15 is a perspective view of various embodiments of the yoke. A: Female stopper, B: Male stopper, C: Main body, Co
...Lid, 1...Fixing plate, 2...Sliding plate, 3...Protrusion, 3a...Engaging jaw, 4...
・Insertion hole, 5...Slide groove, 6...Insertion hole.

Claims (1)

[Claims] 1. A female stopper comprising a fixing plate and a slide plate that is slidable along the surface of the fixing plate, and the fixing plate and the slide plate are provided with insertion holes that communicate with each other. , a protrusion inserted into the insertion hole of the female stop, the protrusion being made of a permanent magnet having an overhanging engaging jaw on the upper part, or a male stop that is permanently connected to the overhanging engaging jaw. and a male stopper having a 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, and the male stopper is inserted into the insertion hole of the female stopper. A stopper characterized in that the permanent magnet of the male stopper is provided with a yoke that is engaged with the mating jaw portion and has a suction surface on the side that attracts the slide plate.