JP6139453B2 - Rubber magnet - Google Patents

Description

  The present invention relates to a rubber magnet that is fitted and held in a concave groove of an edge member such as a sliding door.

  For example, sliding doors having a pair of left and right sliding door bodies composed of vinyl curtains for partitioning the inside and the outside are provided at the entrances and exits of factories and warehouses. In this type of sliding door, vertical edge members are attached to the opposite ends of the left and right sliding door bodies, and when the opening is closed by the sliding door body, the pair of edge members are butted together, and the pair of edge members are butted A rubber magnet is attached to each of the two and the edge member is held in contact by the attractive force of the rubber magnet. The left and right edge members have concave grooves in the longitudinal direction on the opposite surface, front side surface and rear side surface. (Vertical direction) and a pair of outer wall pieces projecting inward in the width direction on both sides in the width direction of the opening end of the concave groove, and a rubber magnet that is long in the vertical direction Each groove is fitted and held.

The rubber magnet in this case has a plate-like magnet body that is long in the vertical direction that fits between a pair of outer wall pieces, and protrudes outward in the lateral width direction from the inner surface side of the magnet body so as to be in close contact with the inner surface side of the outer wall piece. And a pair of fitting protrusions to be fitted (for example, Patent Document 1).
Also, in a conventional rubber magnet that is fitted and held on an edge member, a pair of laterally extending engagement protrusions are provided in the shape of a hook on the back of a plate-shaped magnet body, and the engagement protrusions are connected to the edge. There is one in which the magnet main body is arranged along the outer surface of the edge member by being fitted in a hook-shaped locking groove provided on the member (for example, Patent Document 2).

Japanese Unexamined Patent Publication No. 2013-11170 JP-A-4-323488

  However, in the former conventional case, when the rubber magnet is attached to the edge member, the lateral width of the rubber magnet is larger than the opening width of the groove of the edge member (the separation width of the pair of outer wall pieces). Since the rubber magnet cannot be fitted into the recessed groove, one end of the rubber magnet in the longitudinal direction is inserted and fitted into the recessed groove from the longitudinal end surface of the edge member, and then the rubber member is attached to the edge member. The entire length of the rubber magnet must be fitted and held in the groove of the edge member by sliding in the longitudinal direction. Especially when the edge member is long, the mounting operation of the rubber magnet is very troublesome. It was.

In the latter conventional case, the pair of engaging projections in the lateral direction of the rubber magnet and the engaging groove of the edge member are formed in a bowl shape having substantially the same shape. The work of fitting each into the stop groove was troublesome. In addition, it is necessary to form a locking groove that is bent in a bowl shape on the edge member. From this point, the mounting of the rubber magnet is very troublesome.
In view of the above problems, an object of the present invention is to provide a rubber magnet that can be easily and reliably fitted and held in a concave groove of an edge member.

Specific means for solving the problems in the present invention are as follows.
The technical means of the present invention that solves this technical problem has a concave groove 18 in the longitudinal direction on the outer surface, and a pair of outer wall pieces 16 on both sides in the width direction of the opening end of the concave groove 18 inward in the width direction. A rubber magnet adapted to be fitted and held in the recessed groove 18 of the protruding edge member 9,
The pair of outer wall pieces 16 includes a magnet body 35 having a lateral width corresponding to the separation width of the pair of outer wall pieces 16, and the inner surface 35 b in the thickness direction of the magnet body 35 is in contact with or close to the bottom wall of the groove 18. A pair of engaging protrusions 36 that respectively engage with the inner surface of the magnet body 35 protrude from the both ends in the width direction of the magnet body 35 outward in the width direction, and are intermediate portions of the magnet body 35 in the width direction . Recessed grooves 38 that are recessed from the surface are provided on the outer surface 35a side and the inner surface 35b side in the thickness direction, respectively, and the magnet body 35 is easily curved in a convex shape toward the outer side in the thickness direction between the two recessed grooves 38. The bent portion 39 is formed so as to be.

Further, according to another technical means of the present invention, the depressed groove 38 is a central portion in the width direction of the magnet body 35, and is folded at the central portion in the thickness direction on the outer surface 35a side and the inner surface 35b side in the thickness direction. The curved portion 39 is provided so as to be opposed to each other.
According to another technical means of the present invention, the thickness of the engaging protrusion 36 is smaller than the thickness of the magnet body 35, and the outer surface 36 a in the thickness direction of the engaging protrusion 36 is the thickness of the magnet body 35. The inner surface 36b in the thickness direction of the engaging projection 36 is immersed closer to the outer surface 35a in the thickness direction than the inner surface 35b in the thickness direction of the magnet body 35. There is in point.

Further, according to another technical means of the present invention, the outer surface 35a in the thickness direction is closer to the outer wall of the groove 18 than the engaging protrusion 36 of the magnet body 35 so as to restrict the movement of the magnet body 35 in the lateral width direction. It exists in the point fitted between the pieces 16.
Further, according to another technical means of the present invention, the engaging protrusion 36 protrudes outward in the lateral width direction with a length shorter than the inward protruding length of the outer wall piece 16. The protruding end 36 c is located at the inner side in the lateral width direction than the protruding base portion of the outer wall piece 16.

According to the present invention, when a rubber magnet is attached to the edge member, the magnet is easily bent by forming the bent portion by sandwiching the magnet main body in the lateral width direction by hand. The main body is easily curved in a convex shape toward the outside in the thickness direction by elastic deformation, so that the length between the protruding ends of the pair of engaging protrusions is smaller than the separation width of the pair of outer wall pieces. In this state, the width direction of the magnet body is made to coincide with the width direction of the groove, and the magnet body and the pair of engaging projections are inserted into the groove from between the pair of outer wall pieces, and then restored by elastic deformation of the magnet body. The magnet body may be extended by using force, the pair of engaging protrusions engage with the inner surfaces of the pair of outer wall pieces, and the inner surface in the thickness direction of the magnet body contacts the bottom wall of the groove. Or it becomes a close state.

  At this time, the outer surface side in the thickness direction of the magnet body is fitted between the pair of outer wall pieces, thereby restricting the movement of the rubber magnet in the lateral width direction, and the pair of engaging protrusions is a pair of By engaging the inner surface of each outer wall piece, the movement of the rubber magnet in the thickness direction is restricted. Further, the pair of engaging pieces or the magnet main body is fitted between the bottom wall of the concave groove of the edge member and the pair of outer wall pieces, and the movement of the edge member of the rubber magnet in the longitudinal direction is restricted. The

  Therefore, it is possible to easily and reliably fit and hold the rubber magnet in the recessed groove of the edge member. In addition, since the groove and the pair of outer wall pieces of the edge member use the existing groove and the pair of outer wall pieces as they are conventionally, it is necessary to provide a new locking groove and engagement piece on the edge member. Thus, the rubber magnet can be more easily attached.

It is a plane sectional view of the important section of a sliding door which shows a 1st embodiment of the present invention. It is a perspective view of the principal part of the sliding door. It is a plane sectional view of the edge member and rubber magnet which show the mounting method to the edge member of the rubber magnet. It is a plane sectional view of the edge member and rubber magnet which show a 2nd embodiment. It is a plane sectional view of the edge member and rubber magnet which show the mounting method to the edge member of the rubber magnet. It is a top view of the rubber magnet which shows 3rd Embodiment. It is a plane sectional view of the important section of a sliding door which shows a 4th embodiment. It is a side view of the same edge member. It is a front view of the principal part of the sliding door. It is a perspective view of the one edge member.

Hereinafter, embodiments of the present invention will be described with reference to the drawings.
1 to 3 show a first embodiment of the present invention. 1-3, the sliding door 1 is provided in order to partition the inside and outside at the entrance of a factory or a warehouse, for example, and is a double-opening type, and is composed of a pair of left and right sliding door main bodies 3 composed of vinyl curtains that partition the opening. It has.
Edge members 9 in the vertical direction are respectively attached to the opposite ends of the left and right sliding door main bodies 3, and the openings are closed so that they can be opened and closed by pulling the edge members 9 inward in the horizontal direction and butting the edge members 9 together. It is configured to be.

  The left and right edge members 9 are integrally formed of aluminum or the like by extrusion molding, and a projecting piece 15 and a projecting piece 15 projecting outward in a diagonal direction from the corners of the rectangular tube-shaped body 14 and the body 14. And the outer wall piece 16 projecting inward in the front-rear direction or the left-right direction, and the groove 18 is formed in the longitudinal direction (vertical direction) in the longitudinal direction (vertical direction) in the opposing surface, front side surface, and back side surface that are the outer surface of the edge member 9. It is formed over. A mounting wall 20 protrudes outward from the center portion in the front-rear direction of the body portion 14 on the side opposite to the facing surface of the edge member 9.

The holding plate 21 is clamped and fixed to the mounting wall 20 by a fastener 22 such as a set screw with the end of the sliding door body 3 interposed therebetween, whereby the edge member 9 is attached to the opposite ends of the left and right sliding door bodies 3. .
Rubber magnets 32 are provided on the left and right edge members 9. These rubber magnets 32 are fitted and held in the concave grooves 18 on the opposing surfaces of the left and right edge members 9.

The left and right rubber magnets 32 are elastic and flexible magnets made by kneading magnetic powder made by pulverizing a ferrite magnet or the like into rubber or plastic, and are integrally provided with a magnet body 35 and a pair of engaging projections 36. ing.
The left rubber magnet 32 has an N pole on the outer surface side in the thickness direction and an S pole on the inner surface side, and the right rubber magnet 32 has an S pole on the outer surface side in the thickness direction and an N pole on the inner surface side. The polarities of 32 are opposite to each other. Therefore, when the opening is closed by the sliding door body 3 and the pair of edge members 9 are abutted with each other, the rubber magnets 32 are attracted to each other to maintain the abutting state of the edge members 9.

A groove 37 indicating that the inner surface side of the rubber magnet 32 is the south pole is formed on the inner surface 35b of the magnet body 35 of the left rubber magnet 32, and the rubber magnet 32 is formed on the outer surface 35a of the magnet body 35 of the right rubber magnet 32. A groove 37 indicating that the outer surface side is the S pole is formed.
Thus, each rubber magnet 32 is formed to be symmetrical with respect to the left and right and front and rear, and the left rubber magnet 32 and the right rubber magnet 32 are made of rubber magnets having the same shape and the same polarity in the same direction. And the outer surface are reversed so that they are opposite to each other.

  The magnet body 35 is formed in a rectangular plate shape that is long in the vertical direction, and has a lateral width corresponding to the separation width of the pair of outer wall pieces 16. The thickness of the magnet body 35 is slightly larger than the length reaching the outer surface of the outer wall piece 16 from the bottom wall of the groove 18, and the outer surface 35 a in the thickness direction of the magnet body 35 when fitted into the groove 18. The side protrudes slightly outward from the outer surface of the outer wall piece 16.

One recessed groove 38 that is recessed in the thickness direction so that the magnet body 35 is easily curved in a convex shape toward the outer side in the thickness direction on the outer surface 35a side and the inner surface 35b side in the thickness direction of the magnet body 35. It is provided one by one.
The recessed groove 38 is formed in the central portion of the magnet body 35 in the horizontal width direction over the entire length in the vertical direction (longitudinal direction) of the magnet body 35, and the thickness of the magnet body 35 on the outer surface 35 a side and the inner surface 35 b side in the thickness direction. They are provided opposite to each other leaving a bent portion 39 in the center of the direction.

  The recessed groove 38 is inclined so as to gradually deepen from both sides in the lateral width direction toward the central portion in the lateral direction, and a flat groove bottom is formed at the central portion in the lateral width direction of the recessed groove 38. As a result, as shown in FIG. 3, when the magnet main body 35 is bent in a convex shape toward the outside in the thickness direction at the bent portion 39, gentle curved surfaces are formed on both sides in the thickness direction of the bent portion 39. Thus, the bending stress can be dispersed so that the rubber magnet 32 does not break at the bent portion 39.

The pair of engaging protrusions 36 are provided so as to protrude outward in the horizontal width direction from both ends in the horizontal width direction of the magnet main body 35, and engage with the inner surface of the outer wall piece 16, respectively. Is configured to abut or approach the bottom wall of the groove 18.
The thickness of the engaging protrusion 36 is smaller than the thickness of the magnet body 35, and the outer surface 36 a in the thickness direction of the engaging protrusion 36 is closer to the inner surface 35 b in the thickness direction than the outer surface 35 a in the thickness direction of the magnet body 35. The inner surface 36b in the thickness direction of the engaging protrusion 36 is immersed more than the inner surface 35b in the thickness direction of the magnet body 35 on the outer surface 35a side in the thickness direction. When the pair of engaging protrusions 36 are respectively engaged with the inner surface of the outer wall piece 16, the outer surface 35 a side in the thickness direction of the magnet main body 35 is fitted between the outer wall pieces 16 of the concave groove 18. Thus, the magnet body 35 is configured to be restricted from moving in the lateral width direction.

The engaging protrusion 36 protrudes outward in the lateral width direction with a length shorter than the inward protruding length of the outer wall piece 16, and the protruding end 36 c of the engaging protrusion 36 is longer than the protruding base of the outer wall piece 16. It is arranged inward in the width direction.
According to the first embodiment, when the rubber magnet 32 is attached to the edge member 9, the magnet body 35 is easily bent by the formation of the recessed groove 38 by manually sandwiching the magnet body 35 in the lateral width direction. As shown in FIG. 3, the magnet main body 35 is simply bent into a convex shape outwardly in the thickness direction by elastic deformation, so that the protrusions of the pair of engaging protrusions 36 are projected. The length between the ends 36c is made smaller than the separation width of the pair of outer wall pieces 16, and in this state, the horizontal width direction of the magnet body 35 is made to coincide with the width direction of the concave groove 18 and the magnet body 35 and the pair of engagements. The protrusion 36 may be inserted into the groove 18 between the pair of outer wall pieces 16, and then the magnet body 35 may be extended using the restoring force due to the elastic deformation of the magnet body 35, as shown in FIG. In addition, the pair of engaging protrusions 36 are a pair of outer wall pieces. 6 respectively engage the inner surface of the inner surface 35b in the thickness direction of the magnet body 35 is in a state in which the bottom wall contact or close proximity to the groove 18.

  At this time, the outer surface 35a side in the thickness direction of the magnet body 35 is fitted between the pair of outer wall pieces 16, thereby restricting the movement of the rubber magnet 32 in the lateral width direction and a pair of engagement protrusions. When the part 36 engages with the inner surfaces of the pair of outer wall pieces 16, the movement of the rubber magnet 32 in the thickness direction is restricted. Further, the pair of engaging protrusions 36 to the magnet body 35 are fitted between the bottom wall of the groove 18 of the edge member 9 and the pair of outer wall pieces 16, so that the edge member 9 of the rubber magnet 32 is Movement in the longitudinal direction is restricted.

Accordingly, the rubber magnet 32 can be easily fitted and held in the concave groove 18 of the edge member 9.
In addition, since the groove 18 and the pair of outer wall pieces 16 of the edge member 9 use the existing groove 18 and the pair of outer wall pieces 16 as they are, a new locking groove or engagement is provided on the edge member 9. There is no need to provide a mating protrusion or the like, and the rubber magnet 32 can be mounted more easily. As shown in FIG. 3, when the magnet body 35 is bent in a convex shape toward the outside in the thickness direction at the bent portion 39, gentle curved surfaces are formed on both sides in the thickness direction of the bent portion 39. Thus, it is possible to prevent bending stress from concentrating on a part of the bent portion 39, and to prevent the rubber magnet 32 from unexpectedly cracking at the bent portion 39.

  4 and 5 show a second embodiment. 4 and 5, as in the case of the first embodiment, the rubber magnet 32 includes a magnet body 35 and a pair of engaging protrusions 36, and the magnet body 35 has a thickness direction outer surface 35a side and inner surface 35b. On each side, three recessed grooves 38 are provided at equal intervals so that the magnet body 35 can be easily curved in a convex shape toward the outside in the thickness direction.

  The recessed groove 38 is formed over the entire length in the vertical direction (longitudinal direction) of the magnet body 35 in the central portion in the width direction of the magnet body 35 and on both sides thereof, and is formed on the outer surface 35a side and the inner surface 35b side in the thickness direction. The main body 35 is provided so as to be opposed to each other leaving the bent portions 39 at the center in the thickness direction. Each recessed groove 38 is deeply formed in the thickness direction while keeping its lateral width constant, and the groove bottom of the recessed groove 38 is curved in an arc shape. The other points are the same as those in the first embodiment.

  According to the second embodiment, when the rubber magnet 32 is attached to the edge member 9, the magnet main body 35 is sandwiched in the horizontal width direction by hand, thereby being separated from each other in the horizontal width direction as shown in FIG. The three bent portions 39 can be elastically deformed, and by this elastic deformation, the magnet body 35 is curved in a convex shape toward the outside in the thickness direction, and as in the case of the first embodiment, the edge member The rubber magnet 32 can be easily fitted and held in the nine concave grooves 18.

Further, as shown in FIG. 5, when the magnet body 35 is bent into a convex shape toward the outside in the thickness direction at the bent portion 39, curved surfaces are formed on both sides in the thickness direction of each bent portion 39. It is possible to prevent bending stress from being concentrated on a part of the bent portion 39, and to prevent the rubber magnet 32 from cracking at the bent portion 39.
FIG. 6 shows the third embodiment. As in the case of the second embodiment, the magnet body 35 is directed outward in the thickness direction on the outer surface 35a side and the inner surface 35b side in the thickness direction of the magnet body 35. Three recessed grooves 38 are provided at intervals so as to be easily curved into a convex shape, and the recessed groove 38 at the center in the width direction is flat on the outer surface 35a side and the inner surface 35b side in the thickness direction. In addition to being formed shallow in a circular arc shape, the recessed grooves 38 on both sides in the lateral width direction are formed deep while maintaining the lateral width constant corresponding to the outer surface 35a side and the inner surface 35b side in the thickness direction.

7-10 shows 4th Embodiment and the locking device 24 which maintains the butt | matching state of the edge member 9 is provided between the left and right edge members 9. FIG. The locking device 24 includes a hooking member 25 shown in FIG. 9 provided on one edge member 9 and a pair of front and rear slide bodies 26 and an engaging member 27 provided on the other edge member 9.
The latch member 25 is composed of an iron plate or the like, and the latch member 25 is moved upwardly from the edge member 9 in a bowl shape so that the engagement member 27 can be freely engaged and disengaged from the upper side as will be described later. It is protruding.

The front and rear slide bodies 26 are formed of a hard synthetic resin or the like and are slidably fitted in the concave grooves 18 respectively.
The engaging member 27 is formed in a U shape in a plan view by a ferromagnetic material such as iron, and is connected to the front and rear slide bodies 26 via opposing surfaces where the edge members 9 are abutted with each other. The front and rear slide bodies 26 are connected to each other so as to sandwich the body portion 14 of the edge member 9 forward and backward, and the slide bodies 26 are respectively inserted into the groove 18 on the front side and the groove 18 on the rear side of the edge member 9. The engaging member 27 is slidably fitted and held, and the engaging member 27 is engaged with and received by the engaging member 25 from the upper side by sliding of the front and rear slide bodies 26, and the engaging member 27 is received by the engaging member 27. By engaging with 25, the butted state of the left and right edge members 9 is maintained.

  The edge member 9 provided with the slide body 26 is provided with a rubber magnet 32 that holds the engaging member 27 at a position separated upward from the hooking member 25. The rubber magnet 32 is positioned above the retaining member 25 and is disposed in the concave groove 18 on the opposing surface of the edge member 9, and is fastened and fixed to the bottom wall of the concave groove 18 with a fastener 33 such as a screw. . Therefore, when the slide body 26 is slid to the position separated upward from the latching member 25, the engaging member 27 is attracted by the magnetic force of the rubber magnet 32 and can be held at the position separated upward from the latching member 25. It has become.

As in the case of the first embodiment, the rubber magnet 32 is provided with one recessed groove 38 on each of the outer surface 35 a side and the inner surface 35 b side of the magnet body 35, and the rubber groove 32 is formed in the concave groove 18 of the edge member 9. The magnet 32 can be fitted and held easily and reliably.
In the case of the fourth embodiment, the magnet body 35 may be bonded and fixed to the bottom wall of the concave groove 18 with an adhesive or the like instead of tightening and fixing with the fastener 33, or the rubber magnet 32 may be fixed. In the case where the rubber magnet 32 can be fitted and held relatively firmly due to the fitting into the concave groove 18, the fastening by the fastener 33 and the adhesive fixing by the adhesive may be omitted.

In the above embodiment, the rubber magnet 32 is fitted and held in the concave groove 18 on the opposite surface of the edge member 9 provided with the slide body 26 of the sliding door 1. The member 9 may be fitted and held in the concave groove 18 on the front side surface or the rear side surface. Further, the rubber magnet 32 may be fitted and held in a concave groove of an edge member other than a window glass or other sliding door.
Of course, the edge member 9 is not limited to an aluminum member, and may be formed of a metal other than synthetic resin or aluminum.

DESCRIPTION OF SYMBOLS 9 Edge member 16 Outer wall piece 18 Concave groove 32 Rubber magnet 35 Magnet main body 35a Outer surface 35b Inner surface 36 Engaging protrusion 36a Outer surface 36b Inner surface 36c Protruding piece 38 Depressed groove 39 Bent portion 39

Claims (5)

Edge member (9) having a groove (18) in the longitudinal direction on the outer surface and a pair of outer wall pieces (16) projecting inward in the width direction on both sides in the width direction of the opening end of the groove (18) A rubber magnet adapted to be fitted and held in the concave groove (18) of
A magnet body (35) having a lateral width corresponding to the separation width of the pair of outer wall pieces (16) is provided, and the inner surface (35b) in the thickness direction of the magnet body (35) is brought into contact with the bottom wall of the groove (18) or A pair of engaging protrusions (36) that respectively engage with the inner surfaces of the pair of outer wall pieces (16) so as to be close to each other, project from the both ends in the width direction of the magnet body (35) outward in the width direction, Recessed grooves (38) recessed from the surface are provided on the outer surface (35a) side and the inner surface (35b) side in the thickness direction of the magnet body (35) , respectively, in the middle in the width direction of the magnet body (35) , In addition , a bent portion (39) is formed between the depressed grooves (38) so that the magnet body (35) can be easily bent into a convex shape outward in the thickness direction. Rubber magnet.   The recessed groove (38) is a central portion in the width direction of the magnet body (35), on the outer surface (35a) side and the inner surface (35b) side in the thickness direction, and on the central portion in the thickness direction (39) The rubber magnet according to claim 1, wherein the rubber magnet is provided so as to face each other.   The thickness of the engaging protrusion (36) is smaller than the thickness of the magnet body (35), and the outer surface (36a) in the thickness direction of the engaging protrusion (36) is in the thickness direction of the magnet body (35). The inner surface (36b) in the thickness direction of the engaging protrusion (36) is more immersed than the inner surface (35b) in the thickness direction of the magnet body (35). The rubber magnet according to claim 1 or 2, wherein the rubber magnet is immersed on the outer surface (35a) side in the thickness direction.   In order to restrict the movement of the magnet main body (35) in the lateral width direction, the outer surface piece (35a) in the thickness direction from the engagement protrusion (36) of the magnet main body (35) The rubber magnet according to any one of claims 1 to 3, wherein the rubber magnet is fitted between 16).   The engaging protrusion (36) protrudes outward in the lateral width direction with a length shorter than the inward protruding length of the outer wall piece (16), and the protruding end (36c) of the engaging protrusion (36) is The rubber magnet according to any one of claims 1 to 4, wherein the rubber magnet is disposed inward in the lateral width direction from the protruding base portion of the outer wall piece (16).

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