JPH03276706A - Catch - Google Patents

Abstract

PURPOSE:To enable engagement automatically only by closing a cover and superposing a male catch to a female catch by engaging the hole edge of an inserting hole in the sliding plate of the female catch attracted by the male catch inserted into the inserting hole of the female catch with the engaging collar section of the male catch. CONSTITUTION:When a male catch B is superposed onto a female catch A, a projecting body 3 is brought into the inserting hole 4 of a fixing plate 1 and the inserting hole 6 of a sliding plate 2 communicated with the inserting hole 4. The female catch A is brought to the state in which a hole edge 6a on the engaging collar section 3a side of the projecting body 3 of the inserting hole 6 of the sliding plate 2 is positioned near the hole edge 4a of the inserting hole 4 of the fixing plate 1 corresponding to the hole edge 6a and an opposed hole edge 6b is positioned at a location far from the hole edge 4b of the corresponding inserting hole 4, the hole edge 6a on the engaging collar section 3a side of the inserting hole 6 of the sliding plate 1 is attracted to the permanent magnet 8 of the projecting body 3 and attracted to pole face (a), and engaged with the engaging collar section 3a, thus preventing the separation of the female catch A and the male catch B.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention is used for closing school bags, bags, boxes, etc. and their lids, buckling belts, preventing doors from being pushed, 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 attract the female and male parts to fix the lid on the main body. It would easily come off without suction force, and even if it was quite strong, it would come off relatively easily if a repellent force was applied to the suction surface.Therefore, various methods were used to attract it and manipulate the locking piece to prevent it from coming off. things were being used.

[Problems to be Solved by the Invention] However, with the above-mentioned conventional fasteners, the locking piece must be operated every time the lid, etc. is closed, which is troublesome, and if you forget to operate the locking piece, you will not know. There is an inconvenience that the lid opens between the two, and school children in particular tend to forget to lock the fasteners on the lid of their school bag, and the lid often opens when they run or jump. was there.

SUMMARY OF THE INVENTION In view of the above-mentioned circumstances, it is an object of the present invention to provide a stop that is automatically latched by simply closing the lid and placing the male tool on top of the female tool, thereby preventing it from accidentally coming off.

[Means for Solving the Problems] In order to achieve the above object, the present invention provides a stopper having one or more insertion holes 4, and a pair of slide grooves 5 sandwiching the insertion holes 4. A fixed plate 1 is provided, and an insertion hole 4 of the fixed plate is slidably fitted into a slide groove 5 of the fixed plate 1.
2 to the ferromagnetic slide plate 1, which has an insertion hole 6 communicating with the ferromagnetic slide plate 1, and whose one side on the sliding direction side is an operating piece 7 protruding outward from the fixed plate 1. A female stopper A, and a protrusion 3 inserted into the insertion hole 4.6 of the female stopper A, and the protrusion 3 is connected to a permanent magnet 8 having an overhanging engagement jaw 3a on the upper part. or a male stop B having an overhanging engagement jaw 3a and a permanent magnet 8, and inserted into the insertion hole 4 of the female stop A.
The hole edge 6a of the insertion hole 6 in the slide play ~2 of the female stopper A that the female stopper A attracts is engaged with the engagement jaw 3a of the jilt stopper B.

[For use] A stopper configured as described above: 1. IC stopper B
When the protrusion 3 is inserted into the insertion hole 4.6 that communicates with the fixed plate 1 of the female stopper A and the slide play 1, the window edge 6a of the insertion hole 6 of the slide play 1 and 2 will protrude. It is attracted by the permanent magnet 8 of the body 3 and engages with the window edge 6a.
The male stop B and the female stop A are connected to each other by sliding the slide plate 2 using the operating piece 7 and engaging the engaging jaw 3.
It cannot be pulled apart unless the hole edge 6a 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 the embodiment shown in FIGS. 1 to 12 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 by screws or rivets 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'.

In addition, slide plates l~2 are made of ferromagnetic material,
arranged similarly to the insertion hole 4.4 of the fixing plate 1,
In addition, an insertion hole 6.6 is provided which communicates with the insertion hole 4.4 and has a width in the longitudinal direction of the slide plate 2 that is wider than the width of the insertion hole 4 in the same direction. Operation piece 7 raised on one side of plate 2
and is fitted into the slide groove 5.5 of the fixed plate 1 with the operating piece 7 facing in the opposite direction to the "I" side,
It is possible to freely slide between stopper portions 5a, 5a at both ends of this slide groove 5.

Fixed plate], slide play 1 and 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. When overlapping with the female stopper A, the engaging jaw 3a faces the attachment part la side of the fixing plate 1 (so that the attachment part 3b protrudes toward the base side).
Or directly attach the seat plate lO to the lid C° or main body C of a school bag, etc.
It can be attached 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, the 15th
As shown in the figure, a permanent magnet 8 is fitted and fixed to the base side of the engaging jaw 3a of the protrusion 3 with one magnetic pole surface a facing the direction in which the engaging jaw 3a extends. An adsorption piece 11 is attached to the magnetic pole face a facing the protruding direction of the portion 3a to enhance the adsorption effect, and a ferromagnetic magnetic shield plate 12 is provided on the other magnetic pole face to protect the magnetic pole face. This prevents magnetic leakage from the

Also, since the engaging jaw 3a of the magnetic pole face a protrudes beyond the magnetic pole face a, for example, even if a magnetic card or the like comes into contact with the magnetic pole face a, it will not come into contact with the protruding engaging jaw 3a. magnetic pole face a
It has an effective magnetic shielding effect because it does not come into close contact with the magnetic field.

When this male stopper B is superimposed on the female stopper A, it is inserted into the insertion hole 4 of the fixed plate 1 and the insertion hole 6 of the slide plate 6 communicating with this insertion hole 4, as shown in FIG. The protrusion 3 enters. The female stopper A extends from the hole edge 6a of the insertion hole 6 of the slide plate 2 on the engagement jaw 3a side of the protrusion 3 to the hole edge 4a of the corresponding insertion hole 4 of the fixing plate l, which is close to the opposite 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 engaging jaw 3a side is attracted to the permanent magnet 8 of the protrusion 3 and becomes a magnetic pole. It sticks to the surface a and engages with the engaging jaw portion 3a, making it impossible to separate the female stopper A and the male stopper B.

When releasing this, the slide plate 2 is moved by pushing the operation piece 7 toward the mounting portion 1a of the fixed plate 1.
slides, the hole edge 6a is disengaged from the engagement jaw 3a, and the male stop B is released from the female stop A.

6 and 7 show the male stop B with the engaging jaw 3a of the protrusion 3 facing oppositely to the above embodiment, and as shown in FIG. 7, the operating piece of the slide bullet 2 This is an embodiment in which the engagement between the hole edge 6a and the engagement jaw 3a is released by pulling the portion 7.

Figures 8 to 10 show the female stopper A installed upside down in the opposite direction to that shown in Figure 3, and the operation piece 7 of the slide plate 2 is not raised and is flush with the main body of the slide plate 2. It is said that

FIG. 11 shows an embodiment in which the engagement jaw 3a of the protrusion 3 is directed to the opposite side of the embodiment described above, and the operation for releasing the engagement between the engagement jaw 3a and the hole edge 6a is shown in FIG. The operation of the piece 7 is in the opposite direction to that of the previous embodiment.

FIG. 13 shows an embodiment of a fastener for a handbag, in which the female fastener A is a lock that is inserted into the main body C and folded into both sides of the fixing plate 1 instead of the attachment part 1a as shown in FIG. Piece 1
b, lb are provided and attached to the main body C, and the male stop B
The seat plate 10 serves as a decorative seat plate 10', and the screws or studs 9 are attached to the lid C' in such a manner that they do not protrude outward beyond the decorative seat plate 10°.

[Effects] As described above, the fastener according to the present invention includes a fixing plate 1 having one or more insertion holes 4 and a pair of slide grooves 5 sandwiching the insertion holes 4, and the fixing plate 1 having one or more insertion holes 4. It is slidably fitted into the slide groove 5 of the plate 1 and has an insertion hole 6 that communicates with the insertion hole 4 of the fixed plate 1, and one side on the side in the sliding direction is attached to the fixed plate. A female stopper A consisting of a ferromagnetic slide plate 2 with an operating piece 7 projecting outward from the female stopper A, and a protrusion 3 inserted into an insertion hole 4 of the female stopper A. Since the body 3 consists of a male stop B consisting of a permanent magnet 8 having an overhanging engaging jaw 3a on the upper part, or a male stop B having an overhanging engaging jaw 3a and a permanent magnet 8, 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, it is inserted into the permanent magnet 8 of the projection 3. The hole edge 6a of the hole 6 is attracted, the slide plays 1 and 2 slide, and the hole edge 6a is attracted to the permanent magnet 8, so that the hole edge 6a and the engaging jaw portion 3a are engaged.

Therefore, unless the slide play 2 is slid by the operation piece 7, the engagement between the engaging jaw 3a and the hole edge 6a will not come off, and the male stopper B and female stopper A will not separate, so that the lid of the bag, etc. It is completely prevented from opening without your 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 an exploded perspective view of the embodiment from the back side, Fig. 3 is a sectional view of the embodiment, Fig. 4, FIG. 5 is a cross-sectional view showing the operating state of the slide play 1 of the same embodiment, FIG. 6 is a cross-sectional view of an embodiment in which the protruding direction of the engaging jaw portion of the above embodiment is reversed, and FIG. FIG. 8 is an exploded perspective view of an embodiment in which the front and back are reversed from the above-mentioned embodiment as a stopper; FIG. 9 is a sectional view of the same embodiment in a stopped state. , 10th
The figure is a cross-sectional view of the same showing the disengagement operation, FIG. 11 is a cross-sectional view of an embodiment in which the protruding direction of the engaging jaw is opposite to that of the embodiment shown in FIG. 9, and FIG. 12 is a cross-sectional view of the embodiment shown in FIG. The same sectional view shown, the first
Figure 3 is a cross-sectional view showing the installation state of an embodiment for handbags, Figure 14 is a perspective view of the fixing plate in the same embodiment, and Figures 15 and 16 are cross-sectional views of various embodiments of the male stopper. , FIG. 17 is a perspective view of various embodiments of a double-sided magnetized permanent magnet, and FIG. 18 is a perspective view of various embodiments of a single-sided magnetized permanent magnet. A...Female stop, B.Male stop, C...Body, C--Lid, 1...Fixing plate, 2...Slide plate, 3
...Protrusion body, 3a. Engaging jaw portion, 4. Insertion hole, 5.. Slide groove, 6.. Insertion hole, 6a.. Hole edge, 7.. Operation piece portion.

Claims (1)

[Claims] 1. a fixing plate having one or more insertion holes and a pair of slide grooves sandwiching the insertion holes; and a fixing plate that is slidably fitted into the slide grooves of the fixing plate. a female stopper consisting of a ferromagnetic slide plate having an insertion hole communicating with the insertion hole of the ferromagnetic slide plate, and one side in the sliding direction serving as an operation piece protruding outward from the fixed plate; , 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, the hole edge of the insertion hole in the slide plate of the female stopper being attracted by the male stopper inserted into the insertion hole of the female stopper is the engaging jaw of the male upper member. A fastener characterized in that it engages with the part.