WO2000044257A1

WO2000044257A1 - Locking hardware

Info

Publication number: WO2000044257A1
Application number: PCT/JP2000/000399
Authority: WO
Inventors: Masaaki Yokoya
Original assignee: M & K Yokoya Co., Ltd.
Priority date: 1999-01-27
Filing date: 2000-01-27
Publication date: 2000-08-03
Also published as: TW425273B; CN1281663A

Abstract

Locking hardware, wherein, as shown in the figure, a projected part (21) in which an engagement groove (23) and a close-fit hole (25) are formed is arranged on a substrate (22) of one hardware, space members (14, 15, 16) and a permanent magnet (17) are arranged on a substrate (12) of another hardware and, when the locking condition shown in the figure is realized, a close-fit hole (25) of the projected part (21) is fitted to a close-fit projection (19) and the engagement groove (23) of the projected part (21) is engaged with an engagement part (16a), whereby a pair of locking hardware in such a locking condition can release the locked condition easily only when a force is applied in a specified direction, and the locked condition can be kept unchanged even when a force is applied in a direction in which these hardware are moved away from each other.

Description

Description Locking bracket Technical field

TECHNICAL FIELD The present invention relates to a metal fitting which can be used as a metal fitting for locking a lid of a bag to a main body, a button for clothes, and the like. Background art

FIG. 27 is a perspective view showing a configuration of a conventional metal clasp for a bag. In FIG. 27, 110 is a stopper on the body side of the bag B, and 120 is a stopper on the lid side of the bag B.

In the fastener shown in FIG. 27, a permanent magnet is provided in the fastener 110, and the magnetic force of the permanent magnet locks the fastener 110 with the fastener 120. It is configured so that the state is maintained.

Fig. 28A shows a cross-sectional view of the locked state of the fastener 110 and the fastener 120. As shown in FIG. 28A, an opening 1 11 is formed in the stopper 1 10, and an engaging portion 1 2 engaging with the opening 1 1 1 is formed in the stopper 1 20. 1 is formed.

In the locked state of the conventional fastener, the locked state of the fastener 110 and the fastener 120 is maintained by the magnetic force of the permanent magnet 112. Further, since the engaging portion 1 2 1 and the opening 1 1 1 are engaged, even if a strong force in the X direction is applied to the stopper 1 20, the stopper 1 1 0 and the stopper 1 1 The locked state with 20 is maintained.

However, in the conventional fastener described above, as shown in FIG. 28B, when a force is applied to the fastener 120 in the Y direction, that is, FIG. In this configuration, the locking state of the stopper 110 and the stopper 120 is easily released when a force is applied in the direction of opening the cover of the bag B, so that the body of the bag B There was a problem that the lid of bag B opened when the front side hit a pillar or the like. That is, in the conventional locking metal, when a force is applied to a pair of locking metal in a direction away from each other (Y direction in FIG. 28B), the locked state is easily released. There was a problem. Disclosure of the invention

An object of the present invention is to release a locked state easily only when a force is applied to a pair of locked metal fittings in a predetermined direction, and to apply a force in a direction away from each other. I> oo to provide a locking bracket that can keep the locked state even when added

According to the present invention, first, at least one space member made of a magnetic material is placed and fixed on a first substrate made of a magnetic material, and a permanent magnet is placed and fixed on the space member. An opening is formed in the magnet and the space member.

A metal fitting having a length capable of being inserted into the opening and having a distal end capable of contacting the first substrate and fixed to the second substrate; An engaging part that protrudes into the opening is formed on a side wall forming the opening of the space member, and a side wall of the projecting part includes: When the tip of the protrusion contacts the first substrate, an engagement groove is formed that can engage with the engagement portion, and the space member faces a side wall on which the engagement portion is formed. A guide portion for guiding the projection is provided on the side wall of the projection so as to guide the tip of the projection to a predetermined position of the first substrate when the projection is inserted into the opening. The locking metal fitting characterized by the above can be provided.

In the locking metal fitting, a synthetic resin layer is formed on a surface of a tip portion of the protrusion. It may be.

According to the present invention, secondly, at least one space member made of a magnetic material is mounted and fixed on a first substrate made of a magnetic material, and a permanent magnet is mounted and fixed on the space member. A first metal fitting having an opening formed in the magnet and the space member, and a projection having a length insertable into the opening and having a tip end abuttable on the first substrate are provided. And a second metal fitting made of a magnetic material fixed on the second substrate, wherein a side wall forming the opening of the space member is provided with a projection projecting into the opening. An engagement groove is formed on a side wall of the protrusion, and an engagement groove is formed on a side wall of the protrusion, the engagement groove being engageable with the engagement portion when the tip of the protrusion contacts the first substrate. A fitting protrusion is provided at a predetermined position on the first substrate where the tip of the first substrate contacts. Made is, the tip portion of the protrusion may provide a locking fitting, wherein the fitting projection and matable fitting Goana is formed. In the locking metal fitting, a synthetic resin layer may be formed on a surface of a tip portion of the projection.

According to the present invention, thirdly, a plurality of space members made of a magnetic material are mounted and fixed on a first substrate made of a magnetic material, and permanent magnets are mounted and fixed on the space members. A first metal fitting having an opening formed in the magnet and the space member; and a second protrusion having a length capable of being inserted into the opening and having a distal end abuttable on the first substrate. And a second metal fitting made of a magnetic material fixed on the substrate, wherein the second metal fitting comprises a second metal fitting made of a magnetic material, the metal fitting forming the opening of a first space member of the plurality of space members. An engaging portion that protrudes into the opening is formed on the side wall that engages with the engaging portion when the tip of the protruding portion contacts the first substrate on the side wall of the protruding portion. A possible engagement groove is formed, and a side of the side facing the side wall where the engagement portion is formed is formed. In the side wall of the space member, the tip of the protrusion contacts the predetermined position of the first substrate when the protrusion is inserted into the opening. It is possible to provide a locking fitting characterized in that a guide part for guiding the projection part is protruded.

The locking metal fitting further includes a lock member that engages with the engagement groove of the projection when the projection is inserted into the opening, and clamps an outer peripheral wall of the projection. The space member may be formed with an opening through which the hook member can be inserted from the outside.

Further, in the above-mentioned locking metal fitting, a synthetic resin layer may be formed on a surface of a tip portion of the projection.

According to the present invention, fourthly, at least one space member made of a magnetic material is mounted and fixed on a first substrate made of a magnetic material, and a permanent magnet is mounted and fixed on the space member. A first metal fitting having an opening formed in an upper portion of the first substrate and the permanent magnet and the space member; a first fitting that can be inserted into the opening and a tip end can contact the first substrate; A second metal fitting having a protrusion having a length fixed on a second substrate, wherein the second metal fitting is formed on a side wall forming the opening of the space member. An engaging portion protruding into the opening is formed, and a side wall of the projecting portion is provided with an engaging portion capable of engaging with the engaging portion when the tip of the projecting portion comes into contact with the first substrate. Before the mating groove is formed and it faces the side wall where the engaging portion is formed The side wall of the upper opening of the first substrate is provided with the protrusion so that the tip of the protrusion contacts a predetermined position of the first substrate when the protrusion is inserted into the opening. It is possible to provide a locking fitting characterized in that a guiding portion for guiding is protruded.

In the locking metal fitting, a synthetic resin layer may be formed on a surface of a tip portion of the projection.

According to the present invention, fifthly, at least one space member made of a magnetic material is placed and fixed on a first substrate made of a magnetic material, and a permanent magnet is placed on the space member. The permanent magnet and the space member are mounted and fixed.

A metal fitting having a length capable of being inserted into the opening and having a distal end capable of contacting the first substrate and fixed to the second substrate; An engaging part that protrudes into the opening is formed on a side wall forming the opening of the space member, and a side wall of the projecting part includes: An engagement groove is formed which is engageable with the engagement portion when the tip of the projection comes into contact with the first substrate, and the projection is formed on the periphery of the second substrate by opening the projection. A positioning member having a shape extending along the outer peripheral wall of the first metal fitting is provided so that a tip end of the protrusion comes into contact with a predetermined position of the first substrate when inserting into the portion. It is possible to provide a characteristic locking metal fitting.

In the above-mentioned locking metal fitting, the positioning member may be vertically provided over the entire periphery of the peripheral portion of the second substrate.

Further, in the above-mentioned locking metal fitting, the positioning member may be vertically provided only on a part of a peripheral portion of the second substrate.

Further, the locking metal fitting further includes a lock member that, when the projection is inserted into the opening, engages with the engagement groove of the projection and sandwiches the outer peripheral wall of the projection. A plurality of the space members placed and fixed on the first substrate; and a second space member other than the first space member in which the engagement portion is formed, wherein An opening through which the locking member can be inserted from the outside may be formed.

According to the present invention, sixthly, a plurality of space members made of a magnetic material are mounted and fixed on a first substrate made of a magnetic material, and a permanent magnet is mounted and fixed on the space members. A first metal fitting having an opening formed in the magnet and the space member; and a length that can be inserted into the opening and a tip end can contact the first substrate. And a second fitting made of a magnetic material fixed on the second substrate, the projection having the second fitting, wherein the first fitting comprises a first space member of the plurality of space members. An engagement portion protruding into the opening is formed on a side wall forming the opening, and the engaging portion is formed on the side wall of the projection when the tip of the projection contacts the first substrate. An engaging groove engageable with the mating portion is formed, and the protrusion is inserted into the opening on a side wall of the second space member on a side facing the side wall on which the engaging portion is formed. A pressing means for elastically pressing against an outer peripheral wall of the projection so that a tip of the projection contacts a predetermined position of the first substrate. Can be provided.

In the above-mentioned locking fitting, the pressing means may be constituted by a pressing member that contacts an outer peripheral wall of the projection and a spring panel.

Further, in the above-mentioned locking metal fitting, the pressing means may be a panel member provided in the second space member such that a part thereof protrudes from a side wall of the second space member.

Further, the locking metal fitting further includes a lock member that, when the projection is inserted into the opening, engages with the engagement groove of the projection and sandwiches the outer peripheral wall of the projection. The second space member may be formed with an insertion port through which the hook member can be inserted from outside.

According to the present invention, seventhly, at least one space member made of a magnetic material is placed and fixed on a first substrate made of a magnetic material, and a permanent magnet is placed and fixed on the space member, and A first metal fitting having an opening formed in the magnet and the space member, and a projection having a length insertable into the opening and having a tip end abuttable on the first substrate are provided. The second made of a magnetic material fixed on the substrate of the second An engaging part projecting into the opening is formed on a side wall forming the opening of the space member, and the side wall of the projecting part is formed by: An engagement groove capable of engaging with the engagement portion is formed when the tip of the projection comes into contact with the first substrate, and the tip of the projection is inserted into the opening when the projection is inserted into the opening. The side wall of the projection facing the upper edge of the opening opposite to the side where the engagement portion is formed so as to contact the predetermined position of the first substrate is inclined. A feature of the present invention can be provided.

The locking metal fitting further includes a lock member that, when the projection is inserted into the opening, engages with the engagement groove of the projection to sandwich an outer peripheral wall of the projection. There are a plurality of the space members mounted and fixed on the substrate, and the hook member is inserted from the outside into a second space member other than the first space member in which the engagement portion is formed. Possible inlets may be formed.

Eighth, according to the present invention, at least one space member made of a magnetic material is placed and fixed on a first substrate made of a magnetic material, and a permanent magnet is placed and fixed on the space member. A first metal fitting having an opening formed in the magnet and the space member, and a projection having a length insertable into the opening and having a tip end abuttable on the first substrate are provided. And a second metal fitting made of a magnetic material fixed on the second substrate, wherein a side wall forming the opening of the space member is provided with a projection projecting into the opening. An engagement groove is formed on a side wall of the protrusion, and an engagement groove is formed on a side wall of the protrusion, the engagement groove being engageable with the engagement portion when the tip of the protrusion contacts the first substrate. When the first substrate is inserted into the opening, So as to contact the predetermined position, the tip portion of the projecting portion is made form a spherical shape, the tip portion of the first substrate the protrusion abutting capable spherical recesses form It is possible to provide a locking fitting characterized by being formed.

According to the present invention, ninth, at least one space member made of a magnetic material is mounted and fixed on a first substrate made of a magnetic material, and a permanent magnet is mounted and fixed on the space member. A first metal fitting having an opening formed in the magnet and the space member, and a projection having a length insertable into the opening and having a tip end abuttable on the first substrate are provided. And a second metal fitting made of a magnetic material fixed on the second substrate, wherein a side wall forming the opening of the space member is provided with a projection projecting into the opening. An engagement groove is formed on a side wall of the protrusion, and an engagement groove is formed on a side wall of the protrusion, the engagement groove being engageable with the engagement portion when the tip of the protrusion contacts the first substrate. When the first substrate is inserted into the opening, The permanent magnet so as to abut on a predetermined position can provide a locking fitting, characterized in that only are arranged on the side of the side wall of the engaging portion is formed.

The locking metal fitting further includes a lock member that, when the projection is inserted into the opening, engages with the engagement groove of the projection to sandwich an outer peripheral wall of the projection. There are a plurality of the space members mounted and fixed on the substrate, and the hook member is inserted from the outside into a second space member other than the first space member in which the engagement portion is formed. Possible inlets may be formed. Further, in the above-mentioned locking metal fitting, a synthetic resin layer may be formed on a surface of a tip portion of the projection. BRIEF DESCRIPTION OF THE FIGURES

FIG. 1 is a perspective view showing the configuration of Embodiment 1 of the present invention.

FIG. 2 is an exploded perspective view showing the configuration of Embodiment 1 of the present invention.

FIG. 3A and FIG. 3B are cross-sectional views showing the configuration of Embodiment 1 of the present invention.

FIGS. 4A to 4D are explanatory diagrams of the operation of the first embodiment of the present invention.

FIG. 5 is an operation explanatory diagram of the first embodiment of the present invention.

FIG. 6 is an exploded perspective view showing the configuration of Embodiment 2 of the present invention.

FIG. 7A and FIG. 7B are cross-sectional views showing the configuration of Embodiment 2 of the present invention.

FIG. 8A to FIG. 8D are operation explanatory diagrams of Embodiment 2 of the present invention.

FIG. 9 is a perspective view showing a configuration of Embodiment 3 of the present invention.

FIG. 10 is an exploded perspective view showing the configuration of Embodiment 3 of the present invention.

FIG. 11A and FIG. 11B are cross-sectional views showing the configuration of Embodiment 3 of the present invention.

FIGS. 12A to 12D are explanatory diagrams of the operation of the third embodiment of the present invention.

FIG. 13 is an operation explanatory diagram of the third embodiment of the present invention.

FIG. 14A and FIG. 14B are cross-sectional views showing the configuration of Embodiment 4 of the present invention.

FIG. 15A and FIG. 15B are perspective views showing the configuration of the substrate according to Embodiment 4 of the present invention. FIG. 16A and FIG. 16B are cross-sectional views showing the configuration of Embodiment 4 of the present invention.

FIG. 17 is an exploded perspective view showing the configuration of Embodiment 5 of the present invention.

FIG. 18A and FIG. 18B are cross-sectional views showing the configuration of Embodiment 5 of the present invention.

FIG. 19 is an exploded perspective view showing the configuration of Embodiment 5 of the present invention.

FIG. 2OA and FIG. 20B are cross-sectional views showing the configuration of Embodiment 5 of the present invention.

FIG. 21A and FIG. 21B are cross-sectional views showing the configuration of Embodiment 6 of the present invention.

FIG. 22A and FIG. 22B are cross-sectional views showing the configuration of Embodiment 7 of the present invention.

FIG. 23 is an exploded perspective view showing the configuration of Embodiment 8 of the present invention.

FIG. 24A and FIG. 24B are cross-sectional views showing the configuration of Embodiment 8 of the present invention.

FIG. 25 is an exploded perspective view showing the configuration of the lock mechanism according to the present invention.

FIG. 26A and FIG. 26B are cross-sectional views showing the configuration of the lock mechanism according to the present invention.

FIG. 27 is a perspective view showing a configuration of a conventional fastener.

FIGS. 28A and 28B are explanatory diagrams of the operation of the conventional fastener. BEST MODE FOR CARRYING OUT THE INVENTION

Hereinafter, embodiments of the present invention will be described with reference to the drawings.

(Embodiment 1)

FI G. 1 is a perspective view showing the configuration of the first embodiment of the present invention, FIG. It is the exploded perspective view. FIG. 3A is a cross-sectional view of Embodiment 1, and FIG. 3B is a cross-sectional view of Embodiment 1 in a locked state.

In FI G. 1 and FI G. 2, reference numerals 10 and 20 denote two fittings constituting the locking fitting according to the first embodiment, respectively, and an opening 11 is formed in the fitting 10. The metal fitting 20 is formed with a projection 21 that can be inserted into the opening 11. As shown in FIG. 2, the metal fitting 20 includes a substrate 22 made of a magnetic material, a projection 21 made of a magnetic material, and a fixing member 24 for fixing the metal fitting to a bag or the like. It is constituted by setting.

As shown in FIG. 2, the metal fittings 10 are provided on a substrate 12 made of a magnetic material on which the fixing member 13 is disposed, and are provided with space members 14, 15, and 16 made of a magnetic material. A permanent magnet 17 is placed, and these space members 14, 15, 16 and the permanent magnet 17 are fixed on a substrate 12 by a cover 18 made of a non-magnetic material. Things.

Here, the permanent magnet 17 is configured so that the magnetic pole (S pole or N pole) becomes a flat part, and the permanent magnet 17 and the space members 14, 15, 15 and 16 have openings 1 respectively. 1 is formed.

The diameter of the opening 11 is selected to be slightly larger than the diameter of the projection 21 as shown in FIG. 3B, and the depth of the opening 11 Is selected to be slightly smaller than the length of the protrusion 21. As described above, in the first embodiment, since the depth of the opening 11 is slightly smaller than the length of the protrusion 21, in the locked state shown in FIG. 3B, Since a gap is formed between the substrate 22 and the cover 18, it is possible to obtain an effect of increasing the number of lines of magnetic force passing through the protrusions 2 1 whose leading ends are in contact with the substrate 12. .

As shown in Fig. 2, among the plurality of space members 14, 15, and 16, the space member 15 is provided with a restricting portion 15 a protruding into the opening 11. Is The restricting portion 15a restricts the movement of the protrusion 21. In addition, the space member 16 is provided with an engaging portion 16a that protrudes inside the opening 11. As shown in FIG. 3B, the engaging portion 16a is formed on the side wall of the projection 21 when the tip of the projection 21 abuts on the substrate 12. Engage with engagement grooves 23.

When the projection 21 is inserted into the opening 11 at a position opposite to the position where the engaging portion 16a of the space member 16 is formed, the engaging portion 16a and the engaging groove 2 3 A downwardly inclined guide portion 16b for moving the protruding portion 21 so as to be engaged with the protruding portion 21 is provided so as to protrude inside the opening portion 11.

As described above, in the first embodiment, the restriction for moving the protrusion 21 only on the side wall forming the opening 11 of the space member in the direction from the guide 16 b to the engagement 16. A part 15a and a guide part 16b inclined downward are provided. When the projection part 21 is inserted into the opening part 11, the restricting part 15a and the guide part 16b are used. The projection 21 is configured such that the tip end thereof abuts on a predetermined position of the substrate 12 so that the engagement portion 15a and the engagement groove 23 are securely engaged.

Next, the operation of the first embodiment configured as described above will be described using FIGS. 4A to 4D.

First, when the projection 21 of the bracket 20 is inserted into the opening 11 of the bracket 10 from the state shown in FIG. 4A, the projection 21 as shown in FIG. It is guided by 16b and descends while moving in the direction of the engaging portion 16a.

The tip of the projecting portion 21 descending in this manner contacts a predetermined position of the substrate 12 as shown in FIG. 4C. In this way, the metal fittings 10 and 20 are brought into a locked state in which the tip of the projection 21 and the substrate 12 are pressed against each other by the magnetic force of the permanent magnet 17. In this locked state, the engaging portion 16a and the engaging groove 23 are engaged.

Here, the movement of the projection 21 to the guide 16b side is performed by the tip of the guide 16b. Due to the restriction, even if a force other than the direction A shown in FIG. The engagement state with the groove 23 is not released, so that the engagement state between the metal fittings 10 and the metal fittings 20 is maintained. In other words, the locked state between the bracket 10 and the bracket 20 can be released only when the force in the direction A shown in FIG. 4D is applied to the bracket 10.

When the above-described locking fitting according to the first embodiment is attached to the bag with the engaging portion 16a facing upward, that is, as shown in FIG. If the bracket 10 is arranged on the body of the bag B so that Even if a force is applied upward (X direction in the figure), the direction in which the bracket 10 and the bracket 20 are separated from each other, that is, the direction in which the lid opens (the Y direction in the figure), will cause the bracket 1 The engagement state between the engagement portion 16a of the No. 0 and the engagement groove 23 of the metal fitting 20 is maintained, and the locked state between the metal fitting 10 and the metal fitting 20 is maintained. Then, only when a force is applied diagonally downward (in the direction of the arrow A in the figure) to the lid of the bag B, the locked state of the metal fittings 10 and 20 can be released. That is, the locking state between the metal fittings 10 and the metal fittings 20 can be released by moving the end of the lid portion of the bag B obliquely downward instead of downward, so that the user of the bag B The user can easily open the cover of bag B by grasping the end of the cover and turning up the end.

In the present embodiment, the space member 14 and the space member 15 are provided only for adjusting the depth of the opening 11. Therefore, the space member 14 and the space member 15 may be integrally formed, and the integrated space member may be integrated with the substrate 12 or the space member 16.

(Embodiment 2)

Next, a second embodiment of the present invention will be described.

FIG. 6 is an exploded perspective view showing the configuration of Embodiment 2 of the present invention. FIG. 7 A is a cross-sectional view of Embodiment 2, and FIG. 7B is a cross-sectional view of Embodiment 2 in a locked state.

In FIG. 6, FIG. 7A, and FIG. 7B, the same reference numerals as those in FIG. 2 denote the same parts, and a description thereof will be omitted.

In the second embodiment, the guide member is not provided on the space member 16, the conical fitting protrusion 19 is provided on the substrate 12, and the fitting protrusion 19 is fitted on the tip of the protrusion 21. When the projection 21 is inserted into the opening 11, the fitting hole 25 of the projection 21 fits with the fitting projection 19 on the substrate 12. It is configured. Therefore, in the locked state, the tip of the projection 21 can always be brought into contact with the predetermined position of the substrate 12, and the engagement groove 23 of the projection 21 and the engagement of the space member 16 can be formed. 16a can be reliably engaged.

Next, the operation of Embodiment 2 configured as described above will be described using FIG. 8A or FIG. 8D.

First, when the projection 21 of the bracket 20 is inserted into the opening 11 of the bracket 10 from the state shown in FIG. 8A, the projection 21 as shown in FIG. Then, it descends while being guided in such a direction that the fitting hole 25 at the tip thereof fits into the fitting projection 19. The leading end of the projecting portion 21 descending in this manner comes into contact with a predetermined position of the substrate 12 where the fitting hole 25 is fitted to the fitting projection 19 as shown in FIG. 8C. In this way, the metal fittings 10 and 20 are brought into a locked state in which the tip of the projection 21 and the substrate 12 are pressed by the magnetic force of the permanent magnet 17. In this locked state, the engaging portion 16a and the engaging groove 23 are engaged.

Here, in the locked state, the fitting hole 25 is fitted to the fitting projection 19, and the tip of the projection 21 moves in any direction on the substrate 12 in the horizontal direction. Therefore, a force other than the direction A shown in FI G. 8 D (approximately the same as the direction of inclination of the bus bar on the side 16a of the conical fitting projection 19) is applied to the bracket 10. Tout However, the engagement between the engagement portion 16a and the engagement groove 23 is not released, so that the engagement between the metal fitting 10 and the metal fitting 20 is maintained.

(Embodiment 3)

FIG. 9 is a perspective view showing the configuration of Embodiment 3 of the present invention, and FIG. 10 is an exploded perspective view thereof. FIG. 11A is a cross-sectional view of the third embodiment, and FIG. 11B is a cross-sectional view of the third embodiment in a locked state.

In FI G. 9 and FI G. 10, reference numerals 10 and 20 denote two fittings constituting the locking fitting according to the third embodiment, respectively, and the fitting 10 has an opening 11. Formed on the bracket 20 so as to have a protrusion 21 that can be inserted into the opening 11 o

As shown in FIG. 10, the metal fitting 20 includes a substrate 22 made of a magnetic material, a projection 21 made of a magnetic material, and a fixing member 24 for fixing the metal fitting to a bag or the like. It is constituted by setting.

As shown in FIG. 10, the metal fittings 10 are provided on a substrate 12 made of a magnetic material on which the fixing member 13 is disposed, and are provided with space members 14, 15, and 16 made of a magnetic material. The permanent magnet 17 is placed, and these space members 14, 15, 16 and the permanent magnet 17 are fixed on the substrate 12 by a cover 18 made of a non-magnetic material. It is composed.

Here, the permanent magnet 17 is configured so that the magnetic pole (S pole or N pole) becomes a flat part, and the permanent magnet 17 and the space members 14, 15, 15 and 16 have openings 1 respectively. 1 is formed. The diameter of the opening 11 is selected to be slightly larger than the diameter of the projection 21 as shown in FIG. 11B, and the depth of the opening 11 is The length of the protrusion 21 is selected to be slightly smaller than the length. As described above, in the third embodiment, since the depth of the opening 11 is slightly smaller than the length of the projection 21, the substrate 2 is not locked in the locked state shown in FIG. 11B. Since a gap is formed between the cover 2 and the cover 18, an effect of increasing the number of lines of magnetic force passing through the protrusion 21 whose tip end is in contact with the substrate 12 can be obtained.

As shown in FIG. 10, among the plurality of space members 14, 15, and 16, the space member 15 (the second space member) protrudes inside the opening 11. A restricting portion 15a is provided, and the restricting portion 15a restricts the movement of the protrusion 21. Further, the space member 16 (first space member) is provided with an engaging portion 16a protruding inside the opening 11.

As shown in FIG. 11B, the engaging portion 16a is formed on the side wall of the projection 21 when the distal end of the projection 21 contacts the substrate 12. Engage with the engagement grooves 23.

When the projection 21 is inserted into the opening 11 on the side wall of the space member 15 on the side opposite to the side where the engagement portion 16a is formed, the engagement portion 16a and the engagement groove A downwardly inclined guide portion 15b for moving the protruding portion 21 so that the protruding portion 21 is engaged with the protruding portion 23 is provided so as to protrude into the inside of the opening portion 11.

As described above, in the third embodiment, the protrusion 21 is moved only in the direction from the guide 15 b to the engagement 16 a on the side wall forming the opening 11 of the space member. The guide part 15a and the guide part 15b inclined downward are provided. When the projection part 21 is inserted into the opening part 11, the control part 15a and the guide part 15b Thus, the tip of the projection 21 is brought into contact with a predetermined position of the substrate 12 so that the engagement portion 15a and the engagement groove 23 are securely engaged. Note that it protrudes inside the opening 11 P TJP00 / 00399

The shape of the engaging portion 16a is not limited to the shape shown in FIG. 10 but may be any shape as long as it can be engaged with the engaging groove 23. You may. For example, the edge of the engaging portion 16a is formed in an arc shape, and the edge of the engaging portion 16a contacts the side wall forming the groove bottom of the engaging groove 23 of the projection 21. The shape may be such that it touches. The thickness of the engaging portion 16a is not particularly limited. For example, the engaging portion 16a is thinned so that only the engaging portion 16a is thinner than other portions of the space member 16. a may be formed.

Next, the operation of Embodiment 3 configured as described above will be described using FIG. 12A or FIG. 12D.

First, when the fitting 20 and the projection 21 are inserted into the opening 11 of the fitting 10 from the state shown in FIG. 12A, as shown in FIG. 1 descends while being guided by the guide portion 15b and moving in the direction of the engagement portion 16a.

The tip of the projecting portion 21 descending in this manner comes into contact with a predetermined position of the substrate 12 as shown in FIG. 12C. In this way, the metal fittings 10 and 20 are brought into a locked state in which the tip of the projection 21 and the substrate 12 are pressed against each other by the magnetic force of the permanent magnet 17. In this locked state, the engaging portion 16a and the engaging groove 23 are engaged.

Here, since the movement of the protrusion 21 to the guide portion 15b side is regulated by the tip portion of the guide portion 15b, the direction A shown in FIG. 12D (the guide portion 15b Even if a force other than the same direction is applied to the bracket 10, the engagement between the engagement portion 16 a and the engagement groove 23 is not released, and accordingly, the bracket 10 and the bracket 20 are not released. The locked state with is maintained. In other words, the locked state between the bracket 10 and the bracket 20 can be released only when the force in the direction A shown in FIG. 12D is applied to the bracket 10.

When the above-described locking fitting according to the third embodiment is attached to the bag with the engagement portion 16a facing upward, that is, as shown in FIG. 13, the engagement portion 16a The bracket 10 is arranged on the body of the bag B such that the upper side is upward. When the metal fittings 20 are arranged on the lid of bag B so that the metal fittings 20 and metal fittings 20 are applied even if an upward force (X direction in the figure) is applied to the bag B lid. Even if force is applied in the direction away from each other, that is, in the direction in which the lid opens (Y direction in the figure), the engagement between the engagement portion 16a of the bracket 10 and the engagement groove 23 of the bracket 20 is maintained. Therefore, the locked state of the metal fittings 10 and 20 is maintained. Then, only when a force is applied obliquely downward (in the direction A in the figure) to the lid of the bag B, the locked state between the fittings 10 and 20 can be released. That is, by moving the end of the lid of the bag B obliquely downward instead of downward, the locked state between the bracket 10 and the bracket 20 can be released. However, the user can easily open the cover of bag B by grasping the end of the cover and turning up the end.

In the third embodiment, the above-described effect can be obtained even if the space member 14 is integrated with the substrate 12. Further, the space members 14 and 15 are integrated with the substrate 12. Can also obtain the effects described above. Here, when the space members 14 and 15 are integrated with the substrate 12, a part of the opening 11 is formed above the substrate 12. A guide portion (a guide portion corresponding to the guide portion 15b of the space member 15) is formed on a side wall of the opening formed in the upper portion of the substrate 12.

In the third embodiment, the guide part 15 b is provided in the space member 15 so that when the protrusion 21 is inserted into the opening 11, the tip of the protrusion 21 Although the engagement portion 16a and the engagement groove 23 engage with each other at the position, the means for causing the tip of the projection 21 to abut on the predetermined position of the substrate 12 is Other means may be used.

Hereinafter, the present invention differs from the third embodiment in that a positioning means for bringing the tip of the projection 21 into contact with a predetermined position of the substrate 12 to engage the engaging portion 16a with the engaging groove 23 is used. Another embodiment will be described with reference to the drawings. In the following embodiments, the drawings used in the description of the third embodiment, that is, those having the same reference numerals as those in FIG. 9 to FIG. 13 indicate the same components, and the description thereof will be omitted. .

(Embodiment 4)

FIG. 14A is a cross-sectional view showing the configuration of Embodiment 4 of the present invention, and FIG. 14B is a cross-sectional view of Embodiment 4 in the locked state.

As shown in FIGS. 14A and 14B, in the fourth embodiment, a positioning member 22 a having a shape along the outer peripheral wall of the cover 18 is provided on the peripheral edge of the base plate 22. The protrusion 21 is configured to be positioned when the protrusion 21 is inserted into the opening 11.

A perspective view of the substrate 22 is shown in FIG. 15A. As shown in FIG. 15A, the positioning member 22a may be provided vertically over the entire periphery of the substrate 22. Alternatively, as shown in FIG. You may hang only part of the periphery of 22.

However, as shown in FIG. 15B, in the case where the positioning member 22a is vertically provided only on a part of the peripheral portion of the substrate 22, FIG. 16A, FIG. As shown in 16B, the positioning member 22a needs to be disposed on the side where the engaging portion 16a is located. With such an arrangement, a reliable engagement state between the engagement portion 16a and the engagement groove 23 can be ensured.

(Embodiment 5)

In the fifth embodiment of the present invention, the engaging portion 16a of the side wall forming the opening 11 is provided. A pressing means is provided at a position opposite to the position where the engaging portion 16 a and the engaging groove 23 are secured by being visibly pressed against the outer peripheral wall of the protrusion 21. Configuration

O o

FIG. 17 is an exploded perspective view showing the configuration of the fifth embodiment, FIG. 18A is a cross-sectional view of the fifth embodiment, and FIG. 18 B is the fifth embodiment in a locked state. FIG.

In FIG. 17, FIG. 18 A, and FIG. 18 B, 15 c is a pressing member that contacts the outer peripheral wall of the projection 21, and 15 d is a spring panel.

As described above, in the fifth embodiment, the pressing member 15 c is elastically pressed against the outer peripheral wall of the protrusion 21 by the elastic force of the spring panel 15 d, and the engaging portion 1 on the opposite side is pressed. By applying a force in the direction of 6 a to the protrusion 21, the engagement between the engagement portion 16 a and the engagement groove 23 is ensured.

Such a pressing means may be constituted by using a panel member 15e having a shape as shown in FIGS. 19, 20A and 20B. As shown in FI G.19, FI G.2OA and FI G.20B, the spring member 15e is inserted into the space member so that a part of the spring member 15e protrudes inside the opening 11. By disposing the panel member 15, the panel member 15 e having such a shape can be used as pressing means. In the present embodiment, the space member 14 is provided only for adjusting the depth of the opening 11. Therefore, the space member 14 may be formed integrally with the substrate 12 or the space member 15.

(Embodiment 6)

In the sixth embodiment of the present invention, as shown in FIG. 21A and FIG. 2 IB, the upper end edge of the opening 11 on the side opposite to the side where the engagement portion 16a is formed. By forming the projection 21 so that the side wall of the projection 21 facing the portion is inclined, positioning when the projection 21 is inserted into the opening 11 is performed. In the present embodiment, the space member 14 and the space member 15 are provided only for adjusting the depth of the opening 11. Therefore, the space member 14 and the space member 15 may be integrally formed, and the integrated space member may be integrated with the substrate 12 or the space member 16.

(Embodiment II)

In the seventh embodiment of the present invention, as shown in FIG. 22A and FIG. 22B, the protrusion 21 is formed so that the tip is spherical, and the protrusion 21 is formed in a spherical shape. By forming a spherical concave portion 12a on the substrate 12 to which the tip can abut, positioning is performed when the protrusion 21 is inserted into the opening 11.

(Embodiment 8)

In Embodiment 8 of the present invention, as shown in FIG. 23, FIG. 24A and FIG. 24B, the permanent magnet 17 is provided only on the side where the engaging portion 16a is provided. By arranging, the engagement state between the engaging portion 16a and the engaging groove 23 is ensured by using the magnetic force of the permanent magnet 17. Note that 17a is a member made of non-magnetic material

As in Embodiments 3 to 8 described above, the engagement groove 23 is formed not only on a part of the side wall of the projection 21 facing the engagement portion 16 a of the space member 16, but also on the projection 21. Side wall In the embodiment which is formed along the circumferential direction, a lock mechanism for fixing the metal fittings 10 and 20 can be provided.

FIG. 25 is an exploded perspective view showing a configuration in which such a lock mechanism is provided in the third embodiment.

In FIG. 25, reference numeral 30 denotes a lock member which engages with the engagement groove 23 of the projection 21 and sandwiches the outer peripheral wall of the projection 21. The space member 15 is provided with an entrance 15 f into which the lock member 30 can be inserted from the outside.

In the third embodiment having such a lock mechanism, the protrusion 21 is inserted into the opening 11 as shown in FIG. 26A, and then the hook member 30 is inserted into the inlet 15 f. When inserted (see FIG. 26B), the locking member 30 holds the outer peripheral wall of the projection 21 in a state where the locking member 30 is engaged with the engagement groove 23, so that the projection 21 is The upward movement is restricted by the lock member 30 whose vertical movement is restricted by 5, and the bracket 10 and the bracket 20 can be fixed.o

In the first to eighth embodiments described above, a synthetic resin layer may be formed on the surface of the tip of the protrusion 21 of the metal fitting 20 by coating a synthetic resin or the like. In this way, if the synthetic resin layer is formed at the tip of the protrusion 21, the protrusion 21 may accidentally collide with the cover 18 when the protrusion 21 is inserted into the opening 11. Even at that time, the collision sound can be reduced. Here, the tip portion refers to the tip portion of the projection 21 and the surrounding portion. Industrial applicability

As described above, according to the present invention, the locked state can be easily released only when a force is applied in a predetermined direction to the pair of locking metal pieces in the locked state. Lock that can keep the locked state even when force is applied in the direction of separation Hardware can be provided.

As described above, the locking fitting according to the present invention can be easily set to the locked state, the locked state is maintained even when a force other than the predetermined direction is applied, and the force is applied in the predetermined direction. If so, the locked state can be easily released, so that it can be used, for example, as a suitable button for clothing for the physically handicapped.

Claims

The scope of the claims

1. At least one space member made of a magnetic material is placed and fixed on a first substrate made of a magnetic material, and a permanent magnet is placed and fixed on the space member. A first metal fitting having an opening, and a protrusion having a length insertable into the opening and having a tip end abuttable on the first substrate are fixed on the second substrate. And a second metal fitting made of a magnetic material.

An engaging portion projecting into the opening is formed on a side wall forming the opening of the space member, and a tip of the projecting portion abuts on the first substrate on the side wall of the projecting portion. At this time, an engagement groove engageable with the engagement portion is formed,

When inserting the protrusion into the opening, the tip of the protrusion contacts a predetermined position of the first substrate on a side wall of the space member facing the side wall on which the engagement portion is formed. A guide for guiding the protrusion so that the guide is in contact with the protrusion.

2. The metal fitting according to claim 1, wherein a synthetic resin layer is formed on a surface of a tip portion of the projection.

3. At least one space member made of a magnetic material is placed and fixed on the first substrate made of a magnetic material, and a permanent magnet is placed and fixed on the space member. Is a first metal fitting having an opening formed thereon, and a projection having a length insertable into the opening and having a tip end abuttable on the first substrate is fixed on the second substrate. And a second metal fitting made of a magnetic material.

An engaging portion projecting into the opening is formed on a side wall forming the opening of the space member, and a tip of the projecting portion abuts on the first substrate on the side wall of the projecting portion. At this time, an engagement groove engageable with the engagement portion is formed, A fitting protrusion is formed at a predetermined position on the first substrate where the tip of the protrusion contacts, and a fitting hole that can fit with the fitting protrusion is formed at the tip of the protrusion. A locking fitting characterized by being made.

4. The latch according to claim 3, wherein a synthetic resin layer is formed on a surface of a tip portion of the projection.

5. A plurality of space members made of a magnetic material are mounted and fixed on a first substrate made of a magnetic material, and permanent magnets are mounted and fixed on the space members. Openings are formed in the permanent magnets and the space members. A formed first metal fitting, and a protruding portion having a length insertable into the opening and having a tip end abuttable on the first substrate are fixed on the second substrate. A locking fitting comprising a second fitting made of a magnetic material;

An engaging portion projecting into the opening is formed on a side wall forming the opening of the first space member of the plurality of space members, and a tip of the projecting portion is formed on a side wall of the projecting portion. An engagement groove which is engageable with the engagement portion when the portion comes into contact with the first substrate;

The side wall of the second space member facing the side wall on which the engaging portion is formed has a tip end portion of the projection when the projection is inserted into the opening. A guide portion for guiding the protrusion portion so as to abut on a predetermined position of the lock member.

6. When the projection is inserted into the opening, the projection further includes a hook member which engages with the engagement groove of the projection to sandwich the outer peripheral wall of the projection, and the second space The locking member according to claim 5, wherein the member has an opening through which the hook member can be inserted from outside.

7. The latch according to claim 5, wherein a synthetic resin layer is formed on a surface of a tip portion of the projection.

8. At least one space member made of a magnetic material is mounted and fixed on a first substrate made of a magnetic material, and a permanent magnet is mounted and fixed on the space member. A first metal fitting having an opening formed in the space member; and a projection having a length insertable into the opening and having a tip end abuttable on the first substrate. And a second metal fitting made of a magnetic material fixed on the second substrate,

On the side wall of the upper opening of the first substrate facing the side wall on which the engagement portion is formed, the tip of the projection is inserted into the first substrate when the projection is inserted into the opening. A locking metal fitting, wherein a guide part for guiding the protrusion part is provided so as to be in contact with a predetermined position of the substrate.

9. The locking metal fitting according to claim 8, wherein a synthetic resin layer is formed on a surface of a tip portion of the projection.

10. At least one space member made of a magnetic material is mounted and fixed on a first substrate made of a magnetic material, and a permanent magnet is mounted and fixed on the space member. A first metal fitting having an opening formed in the member, and a protrusion having a length capable of being inserted into the opening and having a tip end contacting the first substrate is provided on the second substrate. And a second metal fitting made of a magnetic material fixed to the

In the peripheral portion of the second substrate, when the projection is inserted into the opening, the projection is formed. A positioning member vertically extending along an outer peripheral wall of the first metal fitting so that a tip end of the portion contacts a predetermined position of the first substrate.

11. The locking metal fitting according to claim 10, wherein the positioning member is provided vertically over the entire periphery of the peripheral portion of the second substrate.

12. The locking metal fitting according to claim 10, wherein the positioning member is provided vertically only on a part of a peripheral portion of the second substrate.

13. The first substrate further includes a hook member that engages with the engagement groove of the projection when the projection is inserted into the opening, and sandwiches an outer peripheral wall of the projection. The plurality of space members mounted and fixed on the top are a plurality of

10. The locking metal fitting according to claim 10, wherein the second space member other than the first space member is formed with an entrance through which the mouthpiece can be inserted from the outside.

14. The locking fitting according to claim 10, wherein a synthetic resin layer is formed on a surface of a tip portion of the projection.

15. A plurality of space members made of a magnetic material are placed and fixed on a first substrate made of a magnetic material, and a permanent magnet is placed and fixed on the space members. A first metal fitting having an opening, and a protrusion that can be inserted into the opening and has a length such that the tip can abut the first substrate are fixed on the second substrate. And a second metal fitting made of a magnetic material.

The side of the second space member on the side facing the side wall on which the engagement portion is formed A pressing means for elastically pressing against the outer peripheral wall of the projection so that the tip of the projection contacts a predetermined position of the first substrate when the projection is inserted into the opening. Is provided.

16. The latch according to claim 15, wherein the pressing means is constituted by a pressing member that contacts an outer peripheral wall of the projection and a spring spring.

17. The pressing device according to claim 15, wherein the pressing means is a panel member provided in the second space member so that a part thereof protrudes from a side wall of the second space member. The described fastener.

18. When the projection is inserted into the opening, the projection further includes a hook member that engages with the engagement groove of the projection and sandwiches an outer peripheral wall of the projection, and the second space 16. The latch according to claim 15, wherein the member is formed with an opening through which the hook member can be inserted from the outside.

19. The latch according to claim 15, wherein a synthetic resin layer is formed on a surface of a tip portion of the projection.

20. At least one space member made of a magnetic material is mounted and fixed on a first substrate made of a magnetic material, and a permanent magnet is mounted and fixed on the space member. A first metal fitting having an opening formed in the member; and a projection having a length insertable into the opening and having a tip end abuttable on the first substrate is provided on the second substrate. And a second metal fitting made of a magnetic material fixed to the

When the projection is inserted into the opening, the opening opposite to the side on which the engaging portion is formed so that the tip of the projection contacts a predetermined position of the first substrate. A side wall of the projection facing an upper edge of the portion is inclined.

21. When the projection is inserted into the opening, the first substrate further includes a hook member that engages with the engagement groove of the projection and sandwiches an outer peripheral wall of the projection. The plurality of space members mounted and fixed on the top are a plurality of

22. The latch according to claim 20, wherein an insertion opening through which the buckle member can be inserted from outside is formed in a second space member other than the first space member.

22. The latch according to claim 20, wherein a synthetic resin layer is formed on a surface of a tip portion of the projection.

23. At least one space member made of a magnetic material is placed and fixed on a first substrate made of a magnetic material, and a permanent magnet is placed and fixed on the space member. A first metal fitting having an opening formed in the member, and a protrusion having a length capable of being inserted into the opening and having a tip end contacting the first substrate is provided on the second substrate. And a second metal fitting made of a magnetic material fixed to the

The tip of the projection is formed in a spherical shape so that the tip of the projection comes into contact with a predetermined position of the first substrate when the projection is inserted into the opening. A locking metal fitting is formed with a spherical concave portion to which a tip end of the projection can abut.

24. When the projection is inserted into the opening, the projection further includes a lock member that engages with the engagement groove of the projection and sandwiches an outer peripheral wall of the projection. The space member to be mounted and fixed is plural, and the 24. The latch according to claim 23, wherein an insertion opening through which the hook member can be inserted from outside is formed in a second space member other than the first space member.

25. The latch according to claim 23, wherein a synthetic resin layer is formed on a surface of a tip portion of the projection.

26. At least one space member made of a magnetic material is mounted and fixed on a first substrate made of a magnetic material, and a permanent magnet is mounted and fixed on the space member. A first metal fitting having an opening formed in the member; and a projection having a length insertable into the opening and having a tip end abuttable on the first substrate is provided on the second substrate. And a second metal fitting made of a magnetic material fixed to the

The permanent magnet is provided only on the side of the side wall on which the engaging portion is formed so that the tip of the projecting portion contacts a predetermined position of the first substrate when the projecting portion is inserted into the opening. A locking metal fitting, which is provided.

27. When the projection is inserted into the opening, the projection further includes a lock member that engages with the engagement groove of the projection and sandwiches an outer peripheral wall of the projection. The space member to be mounted and fixed is plural, and an insertion port through which the hook member can be inserted from the outside into a second space member other than the first space member in which the engagement portion is formed. 27. The locking fitting according to claim 26, wherein:

28. The latch according to claim 26, wherein a synthetic resin layer is formed on a surface of a tip portion of the projection.