JP2006077499A - Door plate fitting means - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door plate fitting means capable of securely preventing falling of the door plate and fitting a door plate with ease to the opening of a building. <P>SOLUTION: The door plate fitting means attached to the upper part of the door plates 2, 3 is attached openably/closably to the opening 5 of the building. In the door plate fitting means 1 in which the protrusive member 10 fitted from below to a guide rail 9 fixed to the upper edge of the opening 5 of the building, in the protrusive member 10, a come off preventive member 11 retractably moving in the horizontal direction from the fitting position to the guide rail 9 is provided in the fitting position, in the condition the fitting section is fitted in the guide rail 9, the come off preventive member 11 is protruded and the come off preventive member 11 is engaged with the guide rail 9, thereby, the protrusive member 10 is prevented from coming off from the guide rail 9. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a door plate attachment used when a door plate of a folding door or a hinged door is attached to an opening of a building such as a closet or a room partition so as to be freely opened and closed.

  Door plate fittings that can be attached to the opening of a building, such as closets and room partitions, in a manner that can be opened and closed, can be fitted into a guide rail that is fixed to the upper edge of the opening, and the opening size varies. In order to absorb an error in the height position of the guide rail due to the above, it is common to provide a convex member to be fitted into the groove of the guide rail so as to be able to be pushed downward toward the guide rail in a biased state.

  For example, an outer set type (cover-attached type) folding door panel fixture shown in Patent Document 1 is provided with a cylindrical convex member (runner guide) on a fixture main body (runner main body) fixed on the back of the folding door. While being urged upward by a spring, it is projected so as to be pushed downward. Further, the fixture body is provided with a set screw that engages with a notch formed at the rear end of the convex member, and the convex member is fitted into the guide rail (rail) by pushing down the tip of the convex member. Thereafter, the vertical movement of the convex member is restrained by a set screw to prevent the folding door from wobbling or detaching from the guide rail.

Japanese Utility Model Publication No. 05-18459 (2-3 pages, Fig. 8)

  The door plate attachment proposed by Patent Document 1 has some problems in structure or work. First, as a structural problem, if an error occurs in the height of the guide rail due to variations in the opening dimensions, the convex member moves up and down with respect to the fixture body to absorb the error. There is a problem that the relative position between the set screw provided in the main body and the notch portion of the convex member changes and the set screw cannot be engaged. In order to solve this problem, it has been proposed to provide a plurality of cutouts on the top and bottom, but the positions of the setscrews do not necessarily match, and if they are forced to match, a gap is created between the convex member and the guide rail. There will be backlash.

  Also, when the door plate deforms (bends) due to a large force acting as a child hangs or leans on a person, or when the distance between the guide rail and the door plate increases momentarily due to an earthquake shake In addition, since the relative position of the convex member to the door plate is fixed by a set screw, there is a problem that the convex member is pulled to the door plate side and the convex member is detached from the guide rail. In addition, as a problem in work, there is a problem that the work of tightening or loosening the set screw is troublesome and the set screw may be loosened or forgotten to be tightened.

  Thus, the conventional door plate fixture still has problems in operation and structure, and improvement has been desired. Therefore, in order to develop a door plate fixture that can reliably prevent the door plate from falling over due to the door plate fixture falling off from the guide rail and that can be easily attached to the opening of the building.

  What has been developed as a result of the study consists of a convex member fitted from below into a guide rail fixed to the upper edge of the opening of the building, and a swivel shaft attached to the door plate, with the door plate being the opening of the building around the swivel axis In the door plate fixture that can be opened and closed with respect to the projection, the convex member is provided with a drop-off preventing material that advances and retreats from the insertion portion into the guide rail at the insertion portion, and the drop-out prevention material with the insertion portion fitted into the guide rail. The door plate fixture is characterized in that the projecting member is prevented from falling off the guide rail by engaging the drop-out preventing material with the guide rail. This may be an outer set type door plate fixture that connects the pivot axis and the convex member at a position radially away from the pivot center line of the pivot axis, or may be convex on the pivot axis of the pivot axis. It may be an inner set type door plate attachment for connecting members.

  The drop-off prevention material has an L-shaped cross section composed of a moving piece and an engaging piece. (1) The moving piece is screwed to the adjusting screw held by the convex member, and the moving piece is screwed to the adjusting screw. A structure in which the engaging piece is moved backward or advanced from the fitting site, or (2) a moving piece biased by a spring member is attached to the convex member with an L-shaped cross section consisting of the moving piece and the engaging piece. The mating piece protrudes from the fitting site, the spring member is elastically deformed to displace the moving piece, the engaging piece is retracted to the fitting site, the spring member is restored, and the moving piece is returned to the fitting site. It is possible to show the configuration to advance from.

  In the configuration of (2), (a) the moving piece biased by the spring member is attached to the convex member so as to be able to advance and retreat, and the engaging piece protrudes from the insertion site, and the spring member is compressed or extended. A configuration in which the joint piece is retracted to the insertion site and the spring member is restored to advance from the insertion site, or (b) the moving piece biased by the spring member is attached to the convex member so as to be tiltable, and the engagement piece is removed from the insertion site. A structure that protrudes from the insertion site by elastically deforming the spring member and tilting the moving piece to retract the engaging piece to the insertion site and restoring the spring member and erecting the moving piece Can be shown.

  The fall-off prevention material (2) has an upper surface of the engagement piece as an inclined guide surface inclined downward toward the advance direction of the engagement piece, and the inclined guide surface is guided when the convex member is fitted into the guide rail. It is preferable that the moving piece is displaced against the bias of the spring member by contacting the rail, and the engaging piece is retracted to the insertion site. Similarly, the drop-off prevention material of (2) is provided with a release operation portion interlocking with the moving piece on the convex member, and when the convex member is fitted into the guide rail, the release operation portion is displaced to displace the spring member. The moving piece may be displaced against the urging force, and the engaging piece may be retracted to the insertion site. Each release operation part may be provided directly on the moving piece, or may be provided on a convex member and interlocked so that the moving piece moves forward / backward or tilts.

  According to the present invention, it is possible to provide a door plate mounting tool that can reliably prevent the door plate from overturning and can easily attach the door plate to the opening of the building. Since the drop-off preventing material is provided on the convex member fitted into the guide rail, the drop-off preventing material always realizes a constant and stable engagement state with the guide rail. From this, there is no worry that the position of the set screw and the notch portion of the convex member that have been seen in the past is not aligned, and the effect of preventing backlash between the convex member and the guide rail that occurred when forcedly aligned is eliminated. Have. Furthermore, since the convex member is normally pushed into the guide rail in a biased state, even if the door plate is loaded and deformed, the convex member is inserted by the biasing force as long as it is within the range to follow. The state is maintained, and even if the follow-up range is exceeded, the dropout strength is increased by the engagement force of the dropout prevention material.

  Specifically, it is possible to realize the secure engagement of the drop-off prevention material to the guide rail without the need to completely tighten the adjusting screw or to perform any special operation. There is also an effect that the operation of aligning the positions of the set screw and the notch portion of the convex member is unnecessary.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a side view of a door opening / closing apparatus in which an outer set type folding door 4 composed of fixed and moving door plates 2 and 3 to which a door plate fixture 1 of this example is attached is attached to an opening 5 of a building. 3 is a plan view showing a state in which the folding door 4 of the door opening / closing device is closed, FIG. 3 is a plan view showing the upper end surface 6 side in a state in which the folding door 4 of the door opening / closing device is opened, and FIG. FIG. 5 is a front view of the door plate attachment 1 attached to the stationary door plate 2, and FIG. 6 is a door plate attachment attached to the movable door plate 3. 7 is a cross-sectional view taken along the line AA in FIG. 6, FIG. 8 is an exploded perspective view of the door plate fixture 1, and FIG. 9 is an exploded perspective view showing the attachment relationship of the door plate fixture 1 to the door plate 2. 10 is a relation between the opening / closing operation of the door plate 2 and the turning pin 8 (a) When the door plate fixture 1 is mounted, (b) When the folding door 4 is closed and (c) When the folding door 4 is opened FIG. 11 is a sectional view showing a state in which the convex member 10 of the door plate fixture 1 is fitted into the guide rail 9, and FIG. 12 is a sectional view showing the convex member of the door plate fixture 1 on the guide rail 9. 1 is a cross-sectional view showing a state in which a drop-off prevention material 11 is protruded from 10. FIG.

  As shown in FIGS. 1 to 4, the door opening and closing device of this example has an outer set type (covering type) folding door 4 composed of fixed and moving door plates 2 and 3 connected in a bending relationship. It is the structure attached to this opening part 5. In this example, the guide rail 9 is provided only at the upper edge of the opening 5, and the lower end edge of the opening 5 remains the floor 12. As shown in FIG. 5, the fixed-side door plate 2 is fitted and restrained by inserting the guide portion 13 of the door-plate fixture 1 located on the back side into a fixing aid 14 fastened to the guide rail 9. The end face is pivotally supported by a swivel support 15 that is fixed to the lower end position of the opening 5 side edge so that only swivel is possible.

  As shown in FIG. 6, the door plate 3 on the moving side pivots while moving along the guide rail 9 by directly fitting the convex member 10 of the door plate fixture 1 attached to the upper end surface 6 into the guide rail 9. . In other words, the door opening and closing device of this example is supported by the swivel receiver 15 of the fixed door plate 2 as a whole and the door is swung in a state in which the tilting is prevented by the fixing auxiliary tool 14, and the door plate 3 on the moving side. The folding door 4 as a whole is opened and closed while being bent by the guide rail 9.

  As shown in FIGS. 7 to 9, the door plate mounting tool 1 is fitted into the guide rail 9 from below with a mounting portion 16 that pivotally attaches the turning pin 8 serving as a turning shaft to the upper end surface 6 of each door plate 2, 3. And a guide portion 13 that urges the projecting member 10 to be upwardly supported. The mounting portion 16 of this example is composed of a mounting base portion 17 that is integrally fitted to the upper end surfaces of the corner portions of the door plates 2 and 3, and a flat-plate-shaped pin base portion 18 that protrudes from the pivot pin 8, and the mounting base portion. A shaft hole 20 having a key groove 19 is drilled in 17.

  The mounting base portion 17 is a resin block body having a shaft hole 20 perforated with a depth through which the swivel pin 8 penetrates, and urethane resin is applied to the space in the door plate in a state of being attached to the upper end surfaces of the corner portions of the door plates 2 and 3 in advance. Injection foaming and adhesive integration. In addition, the engagement protrusion 24 in the insertion groove 23 that engages with the notch 22 provided in the abutting rib 21 of the steel plate on the front surface side and the back surface side in the door plate is surely secured from the upper end surface 6 of the mounting base 17. I try to keep it from falling out.

  Although illustration is omitted, if the projecting piece that sinks into the lower surface side of the mold material (see FIG. 9) that closes the upper end surface 6 is projected from the side surface of the adjacent mounting base 17 and pressed down, the mounting base 17 It can be surely prevented from coming off. The shaft hole 20 is provided with a pair of key grooves 19, 19 at point-symmetrical positions, and a metal retaining plate having an insertion hole 25 having the same shape as the section of the shaft hole 20 at the lower end of the shaft hole 20. 26 is fitted.

  Compared with the resin mounting base 17, the metal retaining plate 26 is worn by friction with the engaging pin 27 of the pivot pin 8 to be engaged, and the latch pin when a pulling load is applied to the pivot pin 8. There is no damage by 27, and the engagement with the locking pin 27 can be kept stable.

  The pin base portion 18 is a plate surface that extends forward from the guide body 28 of the guide portion 13 toward the door plate and is bent horizontally, and serves as a base on which the swivel pin 8 is suspended. The swivel pin 8 penetrates the locking pin 27 at a position deeper than the shaft hole 20 drilled in the mounting base 17 (more precisely, the position deeper than the total thickness of the shaft hole 20 and the metal retaining plate 26), and is engaged from the side. Both ends of the stop pin 27 are projected. The door plate fixture 1 is pivoted integrally from the pivot pin 8 to the pin base portion 18 and the guide portion 13 relative to the mounting base portion 17 fitted to the upper end surfaces 6 of the respective corners of the door plates 2 and 3. To do.

  The guide portion 13 is composed of an outer box-shaped metal guide main body 28 that extends the pin base portion 18 made of the plate material, and a resin block convex member 10 that is fitted to the guide main body 28 so as to be movable up and down. A coil spring 29 that repels upward is interposed between 28 and the convex member 10, and is elastically supported by urging the convex member 10 upward. The convex member 10 of this example has a configuration in which a pair of convex protrusions 30 and 30 serving as an insertion portion to be inserted into the guide rail 9 are integrally formed on the upper surface.

  The guide body 28 cuts and raises the support protrusion 34 that engages the lower end of the coil spring 29 from the bottom surface, the parallel rails 35 and 35 that restrict the elevation direction of the convex member 10, and the restraining pin 36 that prevents the convex member 10 from deviating. The insertion holes are integrally formed on the side surfaces.

  The convex member 10 has a spring hole 37 into which the coil spring 29 is fitted in a loosely fitting state, and is drilled upward from the bottom surface, and a rail groove 38 that is regulated by the parallel rails 35 and 35 of the guide body 28 is provided on the side surface. Guide flanges 39, 39 for holding the side edge of the guide body 28 are provided (see FIG. 7), and a restraint groove 40 is a vertically long slot through which the restraint pin 36 inserted from the insertion hole of the guide body 28 is inserted. Is installed. The convex member 10 is regulated in the ascending / descending direction by the rail grooves 38, 38 following the parallel rails of the guide body 28, and the ascending / descending range is regulated by inserting the restraining pin 36 inserted from the guiding body 28 into the restraining groove 40. ing.

  The door plate fixture 1 of this example is attached to the upper end surface 6 of the door plates 2 and 3 only by inserting the swivel pin 8 into the shaft hole 20 in a non-removing state. For this reason, the pivot pin 8 can be freely inserted into and removed from the shaft hole 20 during mounting, and the pivot pin 8 needs to be in a state of being prevented from being removed from the shaft hole 20 when a normal door opening / closing device is used. Specifically, the positional relationship between the key groove 19 carved in the shaft hole 20 and the locking pin 27 protruding from the swivel pin 8 in the horizontal plane is specified, and the selection of attachment and removal is realized.

  The guide portion 13 of the door plate fixture 1 is fixed to the guide rail 9 in the direction of the guide rail 9 because the tip of the convex member 10 is inserted into the guide rail 9 by the pair of convex protrusions 30 and 30 so as not to rotate. For this reason, when each door plate 2, 3 is folded by opening / closing operation of the folding door 4, the direction of each door plate 2, 3 changes with respect to the guide portion 13, and the swivel pin 8 following the guide portion 13 is attached to the base plate according to the door plate 2, 3. It turns with respect to 17 shaft holes 20. The normal turning range with respect to the shaft hole 20 of the turning pin 8 according to the opening and closing operation of the door plates 2 and 3 is approximately 0 degrees (the closed state in which the door plates 2 and 3 are arranged in a straight line) from the change in the direction of the door plates 2 and 3. It is 90 degrees (open state in which each door plate 2 and 3 is folded).

  Therefore, as shown in FIG. 10A, the keyway 19 and the locking pin 27 of this example are 135 degrees outside the normal turning range (the opening degree 135 degrees between the guide portion 13 and the door plates 2 and 3). ) So that the swivel pin 8 is inserted into the shaft hole 20. Thereby, in the normal turning range of the turning pin 8 according to the opening / closing operation of the door plates 2 and 3, the key groove 19 and the locking pin 27 should be coincident as seen in FIGS. 10 (b) and 10 (c). There is no, and it can aim at retaining.

  The whole folding door 4 is axially supported by a swivel receiver 15 attached to the lower end surface 7 of the stationary door plate 2, and the door plate attachment tool 1 is tilted when the folding door 4 is opened and closed so as not to deviate from the opening 5. Therefore, there is no problem in the mounting strength of the door plate fixture 1 with respect to the door plates 2 and 3 even if the locking pin 27 is merely engaged with the mounting base 17 at a position disengaged from the keyway 19.

  The door plates 2 and 3 that have been attached to the door plate fixture 1 are folded, and the door plates 2 and 3 are raised on the lower edge of the opening 5 (in this example, the floor surface 12). After 7 is pivotally supported on the swivel support 15, the guide portion 13 is brought directly below the guide rail 9. Here, the convex member 10 that is elastically biased upward by the coil spring 29 causes the convex protrusions 30 and 30 to protrude as usual, and cannot be fitted into the guide rail 9 as it is. By pushing 10 down by the operator's hand, the convex protrusions 30 and 30 are brought directly under the guide rail 9, and the convex member 10 is restored autonomously by removing the load that pushed down the convex protrusions 30 and 30 as they are. Thus, the protrusions 30 and 30 can be fitted into the guide rail 9 (see FIGS. 11 and 12).

  The convex member 10 is biased upward by the bias of the coil spring 29, and the front and rear portions other than the convex protrusions 30 are brought into contact with the lower edge flange 41 of the guide rail 9. For this reason, the height adjustment by the lower end surface 7 (swivel receiving tool 15) side of the doorplate 2 is not required. As is apparent from FIG. 5, the right and left positions of the convex member 10 on the fixed side door plate 2 are also restricted by the insertion of the protrusions 30 and 30 into the guide rail 9 and the insertion of the fixing aid 14.

  If the convex protrusions 30 and 30 of the convex member 10 can be fitted into the guide rail 9 in this way, the attachment of the door plates 2 and 3 to the opening 6 is completed. In the present invention, in order to secure the mounting stability of the door plates 2 and 3 after the completion of the mounting, the drop-off prevention material 11 is engaged with the guide rail 9 from between the convex protrusions 30 and 30 which are the insertion portions inserted into the guide rail 9. Thus, the convex member 10 is prevented from falling off from the guide rail 9.

  The drop-off prevention material 11 of this example is a resin piece having an L-shaped cross section composed of a moving piece 42 and an engaging piece 43 as seen in FIGS. This drop-off prevention material 11 is inserted into the recess 31 between the convex protrusions 30 and 30, and the part of the moving piece 42 is fitted, and slides into the insertion hole 48 penetrating in the horizontal direction from the front wall 46 to the rear wall 47 of the recess 31. The moving piece 42 is attached to a mounting pin 32 that is inserted as possible. As a result, the fall-off prevention member 11 as a whole can advance and retreat in the horizontal direction within the range in which the mounting pin 32 advances and retreats, and only the engagement piece 43 can protrude from between the protrusions 30 and 30 in the horizontal direction. The moving piece 42 is attached to the attachment pin 32 by screwing a female screw portion 44 formed on the moving piece 42 and a male screw portion 49 formed on the attachment pin 32.

  The drop-off prevention member 11 includes a coil spring 33 that urges the drop-off prevention member 11 in the engaging direction from the rear end of the mounting pin 32 to the insertion hole 48 on the rear wall 47 side. Thereby, the moving piece 42 of the drop-off preventing material 11 is in close contact with the front wall 46 of the recess 31 as a normal state. In this example, the position where the moving piece 42 is in close contact with the front wall 46 is set to the position where the drop-off prevention member 11 is engaged with the guide rail 9 = the engaging position, and the engaging piece 43 is moved to the guide rail at the position. 9 is engaged with the lower edge flange 41. Further, as shown in FIG. 11, when the drop-off prevention member 11 is in the engagement position, the mounting pin 32 projects the front end side of the mounting pin 32 from the convex member 10 to be the release operation unit 50, and the release operation unit 50 By pushing 50 against the bias of the coil spring 33, the drop-off prevention member 11 can be horizontally moved to a position where the engagement of the engagement piece 43 can be released. Therefore, when removing the door plates 2 and 3, the convex member 10 is slightly pulled down with the release operation part 50 pushed in to release the engagement of the drop-off prevention material 11, and then the release operation part 50 is released and the hand is raised. It is only necessary to lower the member 10 further.

  Further, the engagement piece 43 of the drop-off prevention member 11 is formed on the inclined guide surface 45 having a downward slope with the upper surface directed in the advance direction, and the inclined guide surface 45 is guided when the convex member 10 is fitted into the guide rail 9. By coming into contact with the rail 9, the drop-off prevention material 11 can be automatically moved horizontally. The drop-off prevention member 11 in the engagement position with the guide rail 9 interferes with the guide rail 9 when the convex protrusions 30 and 30 of the convex member 10 are fitted into the guide rail 9. However, since the upper surface of the engagement piece 43 that contacts the guide rail 9 is formed on the inclined guide surface 45, the drop-off prevention material 11 is moved along the inclination of the inclined guide surface 45 as the convex member 10 moves upward. It can be automatically moved in the direction of retreating from the engagement position (left direction in FIG. 11). At this time, since the mounting pin 32 is only slidably inserted into the insertion hole 48 of the convex member 10, the movement of the drop-off prevention material 11 is not hindered.

  When the engagement piece 43 gets over the lower edge flange 41 in this way, the drop-off prevention member 11 returns to the engagement direction (right direction in FIG. 11) by the restoring force of the coil spring 33, and the lower end flange 41 of the guide rail 9 The engaging piece 43 that protrudes toward the end can be engaged with the lower edge flange 41 of the guide rail 9. Since the front and rear surfaces of the protrusions 30 and 30 are in contact with the tips of the lower edge flanges 41 and 41 of the guide rail 9, the protruding member 10 is engaged with the drop-off prevention material 11 and the lower edge flange 41. The relationship is not canceled, and there is no possibility that the protruding member 10 falls off from the guide rail 9 and the door plates 2 and 3 come off.

  In order to configure the door opening and closing device of the hinged door, the door plate fixture 1 having the same structure as that of the above-described example (see FIGS. 1 to 12) is pivotally attached to the side end portion of the door plate 2 on the upper end surface 6 side. That is, the moving side door plate 3 in the example of the door opening / closing device of the folding door described above may be omitted so that only the fixed side door plate 2 has a structure, and the fixed side door plate 2 may have the same structure. This means that the members can be shared without any difference between the folding door and the hinged door. As a result, the product cost can be reduced, and it is possible to greatly reduce the labor of member management and installation when installing folding doors and hinged doors in the same building.

  The door plate fixture 1 of the present invention is only required to prevent the protruding member 10 from falling off from the guide rail 9, and as shown in FIG. 13, for example, an inner set type folding door in which the door plate 2 is disposed directly below the guide rail 9. It can also be used for attachment to the opening 5 of the door plate 2 of the hinged door.

  In the case of an inner set type folding door or a hinged door, a blindfold 51 is provided on the upper edge of the opening 5 and the guide rail 9 is attached to the back side thereof, so that the guide rail 9 and the convex member 10 are Can be almost hidden. 13 differs from the above-described example (see FIGS. 1 to 12) in that the configuration of the guide body 28 is omitted, and the swivel pin 8 is directly projected downward from the lower surface of the convex member 10, In this structure, a pivot pin 8 as a pivot shaft is pivotally attached to an attachment base 17 that is integrally fitted to the upper end surfaces of the corners of the door plates 2 and 3. The pivot pin 8 is pivotally attached by specifying the positional relationship in the horizontal plane between the key groove 19 formed in the shaft hole 20 and the locking pin 27 protruding from the pivot pin 8, and attaching the pivot pin 8 to the shaft hole 20. In addition, it is the same as the above-described example that the selection of the retaining is realized. In addition, the upper surface of the shaft hole 20 in the mounting base 17 is formed with a recess 52 for securing a lowering margin of the convex member 10 that moves up and down integrally with the pivot pin 8. By interposing the coil spring 29 loosely fitted to the recess 52 of the mounting base 17, the entire convex member 10 is elastically supported in an upwardly biased state.

  The drop-off prevention material 11 of this example may have almost the same structure as the above-mentioned example, but in order to avoid interference with the flange 51, the drop-off prevention material 11 is biased to set the thickness of the convex member 10 in the front-rear direction small. The length of the coil spring 33 is kept small, and the coil spring 33 is externally attached to the male thread portion 49 of the mounting pin 32. In this case, a step is formed near the entrance of the pin insertion hole 48 provided on the rear wall 47 side of the recess 31, and the coil spring 33 is interposed between the step and the moving piece 42.

  FIG. 14 is a cross-sectional view showing a state in which another drop-off prevention member 11 is projected from the convex member 10 of the door plate fixture 1 on the guide rail 9. The drop-off prevention material 11 of this example is also a resin molded product having an L-shaped cross section composed of a moving piece 42 and an engaging piece 43. In addition, a horizontal attachment piece 53 is attached to the rear wall 47 from the lower end of the moving piece 42. It extends in the direction, and is fixedly attached to the bottom surface of the recess 31 with a screw 54. The drop-off prevention material 11 in this example is formed by thinly forming the bent portions of the mounting piece 53 and the moving piece 42 as a spring member, urging the moving piece 42 against the mounting piece 53, and guiding the convex member 10 When the rail 9 is fitted, the inclined guide surface 45 abuts against the lower edge flange 41 of the guide rail 9 to automatically tilt the moving piece 42 (refer to the phantom line in FIG. 14), overcoming the lower edge flange 41. An engaging piece 43 that is displaced according to the moving piece 42 that returns to the standing state is engaged with the lower edge flange 41. At the upper and lower intermediate positions of the moving piece 42, there is provided a release operation unit 50 projecting in a hollow cylindrical shape toward the front surface (rightward in FIG. 14). When the release operation unit 50 is pressed with a finger, the moving piece 42 is provided. Tilts so that the engagement of the engagement piece 43 can be released. Accordingly, the release operation portion 50 is exposed in the recess 31 of this example without providing the front wall 46 provided in the above example.

  FIG. 15 is a cross-sectional view showing a state in which the convex member 10 of the door plate fixture 1 in which another drop-off prevention material 11 is attached to the guide rail 9, and FIG. FIG. 5 is a cross-sectional view showing a state in which another example of the drop-off prevention material 11 is protruded from the convex member 10. The drop-off prevention material 11 in this example is a metal piece having an L-shaped cross section including a moving piece 42 and an engaging piece 43. The drop-off prevention member 11 is fitted into the concave portion 31 between the convex protrusions 30 and 30, and is moved to the adjustment screw 55 horizontally inserted into the insertion hole 48 penetrating from the front wall 46 to the rear wall 47 of the convex member 10. The female screw portion 44 is screwed so that only the engagement piece 43 can protrude from between the protrusions 30 and 30 in the horizontal direction.

  In the case of this example, the adjustment screw 55 is only inserted into the insertion hole 48 in a loosely fitted state on the convex member 10, and the moving piece 42 of the drop-off prevention material 11 that is screwed into the adjustment screw 55 is fitted into the concave portion 31, The fall-off prevention material 11 is prevented from rotating due to the adjustment screw 55 being screwed in. When the adjustment screw 55 is turned to the right, the drop-off prevention member 11 relatively moves the moving piece 42 toward the lower edge flange 41 of the guide rail 9 to project the engaging piece 43 (right direction in FIG. 15). . At this time, the position of the moving piece 42 can be stably fixed by tightening the adjusting screw 55 while pressing the adjusting screw 55 against the front wall 46 until the moving piece 42 contacts the front wall 46.

It is a side view of the door opening / closing apparatus which attached the folding door of the outer set type which consists of the stationary-side and moving-side doorplate which attached the doorplate fixture of this example to the opening part of the building. It is a top view showing the state where the folding door of the door opening and closing device was closed. It is a top view showing the upper end surface side of the state which opened the folding door of the door opening / closing apparatus. It is a top view showing the lower end side in the state where the folding door of the door opening and closing device was opened. It is a front view of the door-plate fixture attached to the door plate of the fixed side. It is a side view of the door-plate fixture attached to the door plate of the movement side. It is AA sectional drawing in FIG. It is a disassembled perspective view of a doorplate fixture. It is a disassembled perspective view showing the attachment relationship with respect to the doorplate of a doorplate fixture. FIG. 4 is a cross-sectional view showing the relationship between the door opening / closing operation and the pivot pin (a) when the door plate attachment is mounted, (b) when the folding door is closed, and (c) when the folding door is opened. It is sectional drawing showing the state where the convex member of a doorplate fixture is inserted in the guide rail. It is sectional drawing showing the state which made the drop-out prevention material protruded from the convex member of the doorplate fixture to the guide rail. It is sectional drawing showing the state which made the drop-out prevention material of another example protrude from the convex member of the door-plate fixture of another example to a guide rail. It is sectional drawing showing the state which made the dropout prevention material of another example protrude from the convex member of the doorplate fixture to the guide rail. It is sectional drawing showing the state where the convex member of the door-plate fixture which attached the fall-off prevention material of another example to the guide rail is inserted. It is sectional drawing showing the state which made the dropout prevention material of another example protrude from the convex member of the doorplate fixture to the guide rail.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Door plate fixture 2 Door plate on the fixed side 3 Door plate on the moving side 5 Building opening 8 Swiveling pin 9 Guide rail
10 Convex member
11 Fall-off prevention material
13 Guide
16 Mounting part
17 Mounting base
18 pin base
28 Guide body
29 Coil spring
30 Convex protrusion
31 recess
32 Mounting pin
33 Coil spring
34 Support protrusion
41 Lower edge flange
42 Moving piece
43 Engagement piece
44 Female thread
45 Inclined guide surface
46 Front wall
47 Rear wall
48 Insertion hole
49 Male thread
50 Release control
52 depression
53 Mounting piece
54 Screw
55 Adjustment screw

Claims (7)

Door plate mounting that consists of a convex member that fits from below into a guide rail fixed to the upper edge of the opening of the building and a pivot that attaches to the door, and that allows the door to be opened and closed with respect to the opening of the building around the pivot In the tool, the convex member is provided with a drop-off preventing material that advances and retreats from the fitting portion into the guide rail at the fitting portion, and the drop-off preventing material is advanced with the fitting portion fitted into the guide rail. By engaging the guide rail with the guide rail, the convex member is prevented from falling off the guide rail. The door plate fixture according to claim 1, wherein the convex member is connected to the pivot shaft at a position radially away from the pivot center line of the pivot shaft. The door plate fixture according to claim 1, wherein the convex member is connected to the turning shaft on the turning center line of the turning shaft. The drop-off prevention material has an L-shaped cross section consisting of a moving piece and an engaging piece. The moving piece is screwed into an adjustment screw held by a convex member, and the engagement member is engaged according to the screwing position of the moving piece with respect to the adjustment screw. The door panel fixture according to claim 1, wherein the piece is moved backward from or into the insertion site. The drop-off prevention material has an L-shaped cross section consisting of a moving piece and an engaging piece. The moving piece urged by a spring member is attached to a convex member, and the engaging piece is projected from the insertion site, and the spring member is elastic. The door plate mounting tool according to claim 1, wherein the engaging piece is retracted to the insertion site by deforming and moving the moving piece, and the spring member is restored and the moving piece is returned to advance from the insertion site. The drop-off prevention material has an inclined guide surface that is inclined downward with the upper surface of the engaging piece in the advancing direction of the engaging piece, and the inclined guide surface is brought into contact with the guide rail when the convex member is fitted into the guide rail. The door plate fixture according to claim 5, wherein the moving piece is displaced against the biasing force of the spring member to retract the engaging piece to the insertion site. The drop-off prevention material is provided with a release operation portion interlocked with the moving piece on the convex member, and when the convex member is fitted into the guide rail, the release operation portion is displaced to resist the bias of the spring member. The door plate fixture according to claim 5, wherein the moving piece is displaced and the engaging piece is retracted to the insertion site.

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