JP6489456B2 - Lower end holding tool and door device provided with the same - Google Patents

Description

  The present invention relates to a lower end holding tool that rotatably holds a lower end side of a folding door, a hinged door, and the like, and a door device including the same.

2. Description of the Related Art Conventionally, a holder such as a bearing member that rotatably holds a lower end side of a folding door or a hinged door is known. Such a holder is generally fixed to a floor or the like with a stopper such as a screw or a nail. However, if the floor to be fixed is a concrete finish, tile finish, carpet finish, or a structure in which a thin floor material is stuck on the concrete base, the retainer is placed on the floor side with a stopper. It may be difficult to fix to.
For example, Patent Document 1 below discloses a bearing member in which a plate-like door support portion that receives a lower rotation shaft of a door is provided at a lower end portion of a plate-like attachment portion fixed to a vertical rail of an entrance frame. Has been.

JP 2008-2103 A

  However, since the bearing member described in Patent Document 1 is configured such that the plate-like attachment portion is fixed along the inner surface of the lower end portion of the vertical rail, the attachment portion is easily noticeable, There is a tendency that a gap between the door and the inner surface of the vertical rail is increased in order to suppress contact between the door and the mounting portion. For example, it is conceivable to provide a recess in the vertical rail and fix the mounting portion so as to embed the mounting portion. Alternatively, it is conceivable to increase the recess of the vertical beam so that the position of the mounting portion relative to the vertical beam can be adjusted, but in this case, the gap between the inner surface of the recess and the mounting portion may be easily noticeable. Conceivable.

  The present invention has been made in view of the above circumstances, and includes a lower end holder that can be fixed in a good-looking manner while being able to adjust the position of the shaft support portion in the vertical direction with respect to one inner surface of the doorway. An object is to provide a door device.

  In order to achieve the above object, a lower end holding tool according to the present invention includes a flat plate-shaped fixing member that is fixed so as to be fitted in a receiving recess provided on one inner surface of an entrance, and a lower end side of a door panel. A holding tool main body having a shaft supporting portion that holds the holding member rotatably, and an engagement piece provided on the holding tool main body is slidable in the vertical direction on the back surface side of the fixing member. A slide recess is provided, and the engaging piece is fixed to the fixing member so that the position of the engaging piece can be adjusted along the vertical direction. A notch-shaped recess that protrudes in the front-end direction so as to be continuous with the bent portion provided at the lower end portion of the tube, has a support piece portion having the shaft support portion, and receives the bent portion in a vertically movable manner. Penetrates in the thickness direction and opens downward And it is provided on.

In the present invention, the dimension along the expected direction of the support piece part may be larger than the dimension along the expected direction of the bent part.
Moreover, in this invention, the dimension along the expectation direction of the said support piece part and the dimension along the expectation direction of the said fixing member may be made into the substantially same dimension.
In the present invention, the fixing member is provided with a first insertion hole through which a stopper for fixing the fixing member to the receiving recess is inserted, and an engagement piece portion of the holder body with respect to the fixing member. A second insertion hole having a long diameter may be provided in the one direction through which the stopper to be fixed is inserted.
Further, in the present invention, the holder body is fixed to the support piece portion provided so as to protrude from the lower end of the engagement piece portion in the frontage direction so that the position can be adjusted along the frontage direction. A shaft support member having a shaft support portion may be provided.

  In order to achieve the above object, a door device according to the present invention includes a lower end holder according to the present invention, a door frame having a vertical frame in which the receiving recess is provided on an inner surface, and the door frame. And a door panel whose lower end side is rotatably held by the lower end holder.

  The lower end holder according to the present invention and the door apparatus including the same are configured as described above, so that the position of the shaft support portion in the vertical direction with respect to one inner side surface of the entrance / exit can be adjusted, but the appearance is good. Can be fixed well.

(A), (b) is the partially broken schematic perspective view which shows typically an example of the lower end holder which concerns on one Embodiment of this invention, and a door apparatus provided with the same. (A), (b) is a general | schematic disassembled perspective view which each shows the same lower end holder typically, (c) is a schematic front view of the same lower end holder. (A), (b) is a partially broken schematic longitudinal cross-sectional view corresponding to the XX line arrow in FIG. 1 (a). (A) is a partially broken schematic front view schematically showing an example of a state in which the same door apparatus is constructed, and (b) is a partially broken schematic crossing corresponding to the YY arrow view in (a). FIG. (A), (b) is a general | schematic disassembled perspective view which shows typically an example of the lower end holder which concerns on other embodiment of this invention.

Embodiments of the present invention will be described below with reference to the drawings.
In some of the drawings, some of the detailed reference numerals attached to other drawings are omitted.
Moreover, in each of the following embodiments, with respect to the constructed lower end holder and the door apparatus provided with the same, the front side in the prospective direction is forward, based on the state seen from the V direction shown in FIG. The reverse side is the rear side, and the direction such as the vertical direction will be described with reference to the state.

1-4 is a figure which shows typically an example of the lower end holder which concerns on 1st Embodiment, and a door apparatus provided with the same.
As shown in FIGS. 1, 2, and 4, the lower end holder 30 according to the present embodiment is a flat plate shape that is fixed so as to be fitted in a receiving recess 19 provided on one inner surface 17 of the entrance / exit 5. The fixing member 31 is provided. Further, the lower end holder 30 includes a holder main body 35 having a shaft support portion 45 that rotatably holds the lower end side of the door panel 25.

Further, the door device 1 according to the present embodiment is built on the door frame 10 having the lower end holder 30, the door frame 10 having the vertical frame 16 in which the receiving recess 19 is provided on the inner surface 17, and the door frame 10. A door panel 25 whose lower end side is rotatably held by the lower end holder 30. In other words, in the present embodiment, one inner side surface of the entrance / exit 5 as the fixing target of the lower end holder 30 is set as the inner side surface 17 facing toward the center of the front / rear direction of the entrance / exit 5 of the vertical frame 16 (horizontal direction).
Moreover, in this embodiment, the door apparatus 1 is made into the folding door apparatus 1 provided with the folding door 20 which connected the multiple door panels 21 and 25 so that folding and unfolding were possible. In the present embodiment, the folding door device 1 is provided on the pivot support side, and the pivot support side door panel 25 in which the lower end side is rotatably held by the lower end holder 30 and the door provided on the door end side connected thereto. It is set as the structure provided with 1 set of folding doors 20 with the front side door panel 21. FIG.

The door frame 10 is fixed along a frame base that defines an opening 3 provided in a wall 2 of a building such as a residence. As the frame base constituting the both inner sides in the frontage direction of the opening 3, a pillar material such as a stud, a timber (spacer material), or the like may be used, or other members constituting various frame bodies. Moreover, as a frame | substrate foundation | substrate which comprises the top | upper surface of the opening part 3, it is good also as horizontal materials, such as a horizontal rail and a lintel, and a tree (spacer material). Further, the lower side of the opening 3 (entrance / exit 5) may be partitioned by a flooring material or a floor base.
As shown in FIG. 4, the door frame 10 includes a pair of vertical frames 14 and 16 provided so as to partition both sides of the entrance / exit 5 and an upper frame 11 provided so as to partition the upper side of the entrance 5. It is equipped with. That is, the door frame 10 is a so-called three-way frame that does not include a lower frame. In the illustrated example, an example in which the lower side of the entrance / exit 5 is partitioned by the floor surface 4 (see also FIG. 3).

The upper frame 11 has a substantially strip-like shape that is long along the opening width direction of the doorway 5.
Further, the upper frame 11 is provided with an upper rail 12 that suspends and supports the door-end side door panel 21 of the folding door 20. As such an upper rail 12, it is good also as what was made into the substantially U shape (substantially U shape or substantially C shape) whose longitudinal cross-sectional shape opens toward the downward direction. Further, the upper rail 12 may be configured to support the roller of the runner member 22 provided at the upper end portion of the door-end side door panel 21 so as to roll along the longitudinal direction of the upper rail 12. Good. Further, the upper frame 11 may be provided with a concave groove for receiving the upper rail 12.

  The upper frame 11 (upper rail 12) is provided with a shaft support portion 13 that rotatably holds the upper end side of the shaft support side door panel 25. The shaft support portion 13 may be configured to be vertically engaged with an engagement portion 26 provided on the upper end side of the shaft support side door panel 25. For example, the shaft support portion 13 may be a shaft portion that is fitted into a bearing hole-shaped engagement recess 26 as an engagement portion that opens upward, or a shaft as an engagement portion that protrudes upward. It is good also as a bearing part which receives the shape-like engagement convex part 26. FIG. Further, the shaft support portion 13 may be configured to support the shaft support side door panel 25 so that the upper end side of the shaft support side door 25 is freely suspended. In this case, the runner member that is immovable along the longitudinal direction of the upper rail 12 and is connected and fixed to the upper end portion of the pivot support side door panel 25 may be grasped as the pivot support portion and the engagement portion.

The pair of vertical frames 14 and 16 are formed in a long and substantially strip-like shape along the vertical direction of the doorway 5.
Of the pair of vertical frames 14, 16, the inner side surface of the door-end-side vertical frame 14 provided on the door-end side faces toward the center of the frontage direction and protrudes toward the center of the front-end direction so as to extend in the vertical direction. The door stop part 15 provided in is provided.
Further, the inner side surface 17 facing the center side in the frontage direction of the shaft support side vertical frame 16 provided on the shaft support side of the pair of vertical frames 14 and 16 has a center side in the frontage direction like the door end side. A door stop 18 is provided so as to protrude toward the top and extend in the vertical direction.
In the illustrated example, the door stop portions 15 and 18 are provided in the approximate center of the vertical direction 14 and 16 in the expected direction (front-rear direction).

The receiving recess 19 of the axial support side vertical frame 16 is provided so as to open toward the center of the frontage direction. The receiving recess 19 is provided at the lower end portion of the shaft support side vertical frame 16.
The receiving recess 19 has a shape corresponding to a fixing member 31 of a lower end holder 30 described later. In the present embodiment, the receiving recess 19 has a substantially rectangular shape when viewed from the inner surface 17 (as viewed in the frame thickness direction). Further, the depth dimension (dimension along the frame thickness direction) of the receiving recess 19 is a dimension that the fixing member 31 does not protrude from the inner side surface 17. In the present embodiment, the depth dimension of the receiving recess 19 is substantially the same as the thickness dimension of the fixing member 31. That is, the surface of the fixing member 31 and the inner side surface 17 are substantially flush with the fixing member 31 fitted in the receiving recess 19. The receiving recess 19 is provided so that the opening edge on the lower end side is substantially the same height as the floor surface 4. Moreover, in this embodiment, it is set as the structure which provided this receiving recess 19 in the front side used as the one side of a seeing direction rather than the door stop part 18. FIG.

In addition, although the lower end part of these pair of vertical frames 14 and 16 is good also as a structure mounted on the floor material which comprises the floor surface 4, in the example of a figure, the lower end part of these vertical frames 14 and 16 is It is set as the structure arrange | positioned so that it may embed in a flooring (refer FIG. 3).
Moreover, according to the structure of the folding door (joint) 20, etc., you may provide a latch receptacle (strike), a lock receptacle, etc. in the door-end side vertical frame 14. FIG.
Moreover, although the example which showed the door frame 10 as the fixed frame is shown in the example of a figure, it is good also as what is called a casing frame provided with the frame on both sides of the expectation direction.
In addition, in the illustrated example, an example in which a hanging wall is provided on the upper side of the upper frame 11 is shown, but the upper frame 11 is provided so as to be along the ceiling or embedded in the ceiling. May be. Moreover, it replaces with the aspect which provided the upper rail 12 in the upper frame 11, and upper rail 12 itself may be directly fixed to an upper frame base | substrate etc., or may be provided so that it may be embedded in a ceiling.

As shown in FIG. 4B, the folding door 20 closes the entrance / exit 5 with the two door panels 21 and 25 unfolded, and opens the entrance / exit 5 with the door panels 21 and 25 folded. It is configured.
In the present embodiment, the folding door 20 is a so-called parent-child door type in which the door width dimension of the door-end side door panel 21 is larger than the door width dimension of the pivot-side door panel 25. Moreover, in this embodiment, it is set as the structure which connected the connection side edge parts of these door panels 21 and 25 so that folding and unfolding were possible by a pair of upper and lower connecting members 24 and 24. FIG. These upper and lower connecting members 24, 24 are provided so as to straddle the connecting end portions of the upper and lower ends of each door panel 21, 25. It is rotatable around an axis (vertical axis) along the vertical direction. In addition, as an aspect which connects these door panels 21 and 25 so that folding and unfolding are possible, it is not restricted to such a pair of upper and lower connection members 24 and 24, It is good also as a hinge.

A runner member 22 guided and supported by the upper rail 12 is connected and fixed to the upper end portion of the door-end side door panel 21. The runner member 22 has a dimension along the door width direction from the connecting member 24 serving as a folding fulcrum, and the door width direction from the connecting member 24 to the shaft support portion 13 (45) serving as the pivot fulcrum of the pivot support side door panel 25. Is provided in the middle portion of the door-end side door panel 21 in the door width direction so as to be substantially the same as the size along the door. Further, the runner member 22 is connected to the door-end side door panel 21 so as to be rotatable about an axis along the vertical direction. With such a configuration, the door-end side door panel 21 is configured to move along the upper rail 12 while rotating around the axis of the runner member 22 with folding and unfolding of the folding door 20.
Further, the door-end side door panel 21 is provided with a handle portion 23 that is handled when the folding door 20 is opened and closed.

An engaging portion 26 that engages with the shaft support portion 13 provided on the upper frame 11 (upper rail 12) is provided at the upper end portion of the shaft support side door panel 25. The engaging portion 26 is provided at the upper end portion of the end portion on the shaft support side which is the anti-folding fulcrum side in the door width direction of the shaft support side door panel 25.
In addition, an engagement portion 27 that engages with a shaft support portion 45 provided in the lower end holder 30 is provided at the lower end portion of the shaft support side door panel 25. In this embodiment, as shown in FIG. 3, the engaging portion 27 is a bearing hole-shaped engaging recess 27 that opens downward. The engaging recess 27 is provided coaxially so as to overlap with the engaging portion 26 provided at the upper end portion when viewed in the vertical direction, and has a substantially circular shape in plan view. With such a configuration, the pivot-side door panel 25 is configured to rotate around the shafts 13 and 45 of the pivot-side end portion when the folding door 20 is folded and unfolded.

As shown in FIGS. 1 to 3, the lower end holder 30 has an engagement piece 36 provided on the holder main body 35 on the back surface side of the fixing member 31 in any one of the vertical direction and the expected direction. In this structure, a slide recess 32 is slidably received. Further, the lower end holding tool 30 has a structure in which the engaging piece portion 36 of the holding tool main body 35 is fixed to the fixing member 31 so that the position can be adjusted along the one direction. Further, in the present embodiment, the first insertion hole 33 through which the first stopper 6 that fixes the fixing member 31 to the receiving recess 19 is inserted into the fixing member 31, and the engaging piece portion 36 of the holder main body 35. And a second insertion hole 34 having a long diameter in one direction through which the second stopper 7 for fixing the fixing member 31 to the fixing member 31 is inserted. In the present embodiment, the one direction is the vertical direction.
Moreover, in this embodiment, the holder main body 35 is fixed to the support piece portion 38 provided so as to protrude from the lower end of the engagement piece portion 36 in the frontage direction so that the position can be adjusted along the frontage direction. The shaft support member 41 having the shaft support portion 45 is provided. In the present embodiment, the shaft support member 41, the holder body 35, and the fixing member 31 are substantially line-symmetric with respect to the center line in the expected direction.

  The engaging piece portion 36 of the holder main body 35 has a thin plate shape that is arranged along the thickness direction of the axial support side vertical frame 16 that is in the same direction as the frontage direction. In the present embodiment, the engagement piece 36 is connected to the upper end piece 36a that is elongated so as to extend in the expected direction on the upper end side, and the upper end piece 36a and the support piece 38. The connecting piece 36b is elongated so as to extend in the vertical direction. Moreover, the engagement piece part 36 which consists of these upper end piece part 36a and the connection piece part 36b is seen in the thickness direction, and the example made into substantially T shape is shown. Moreover, in the example of a figure, the example which provided the connection piece part 36b so that it may extend below from the prospective direction center part of the upper end piece part 36a is shown.

  In the present embodiment, the engaging piece portion 36 is provided with a fastening portion 37 of the second stopper 7 that fixes the engaging piece portion 36 to the fixing member 31. In the present embodiment, the fastening portion 37 is a female screw portion 37 into which the second stopper 7 is screwed. In the illustrated example, the female screw portion 37 is a female screw hole that penetrates the engagement piece portion 36 in the thickness direction. In addition, female thread portions 37 are provided at a plurality of locations on the engagement piece portion 36. In the illustrated example, female screw portions 37 and 37 are provided at both end portions of the upper end piece portion 36a in the expected direction, and the female screw portion 37 is provided at an intermediate position in the vertical direction of the connecting piece portion 36b. The fastening portion 37 is not limited to the female screw portion 37, and may be a pilot hole shaped fastener hole into which the second stopper 7 is screwed.

The support piece portion 38 of the holder main body 35 is provided so as to protrude from the lower end portion of the connection piece portion 36b of the engagement piece portion 36 toward the center in the frontage direction. In the present embodiment, a bent portion 36c shaped to bend the engaging piece portion 36 in the frontage direction is provided at the lower end portion of the connecting piece portion 36b so as to be continuous with the bent portion 36c. A configuration is provided in which one piece 38 is provided.
The support piece 38 is in the form of a thin plate arranged with the thickness direction along the vertical direction. In the illustrated example, the thickness dimension of the engagement piece portion 36 and the thickness dimension of the support piece portion 38 are substantially the same as each other, but they may be different dimensions.

  Moreover, in this embodiment, the holder main body 35 which consists of these engagement piece parts 36 and the support piece part 38 is made into a substantially L shape seeing in a prospective direction. The dimension along the expected direction of the support piece 38 is larger than the dimension along the expected direction of the engagement piece 36 (in this embodiment, the upper end piece 36a). In addition, the dimension along the expected direction of the support piece 38 is substantially the same as the dimension along the expected direction of the fixing member 31. In the example of the figure, an example is shown in which the engagement piece portion 36 is provided so as to rise from the substantially central portion of the support piece portion 38 in the expected direction. Further, the dimension along the opening direction of the support piece 38 is substantially the same as the dimension along the vertical direction of the fixing member 31. In addition, the dimension along the expectation direction and frontage direction of the support piece part 38 is good also as an appropriate dimension so that mounting of the shaft support member 41 is possible. Further, in the example of the figure, an example is shown in which the central portion in the frontage direction of the support piece portion 38 is formed in a protruding curved surface shape (substantially semicircular shape) that protrudes toward the center side in the frontage direction when viewed in the thickness direction. However, the shape is not limited to this, and other shapes may be used.

  In the present embodiment, the support piece portion 38 is provided with the fastening portion 40 of the third stopper 8 that fixes the shaft support member 41 to the support piece portion 38. In the present embodiment, the fastening portion 40 is a female screw portion 40 into which the third stopper 8 is screwed in the same manner as described above. In the illustrated example, the female screw portion 40 penetrates the support piece portion 38 in the thickness direction. It is a female screw hole. Further, the female screw portion 40 is provided at a plurality of locations of the support piece portion 38. In the example of the figure, an example is shown in which female screw portions 40 are provided at two locations spaced at equal intervals from the approximate center of the support piece portion 38 to the both sides in the view direction. As described above, the fastening portion 40 is not limited to the female screw portion 40, and may be a pilot hole-like stopper hole into which the third stopper 8 is screwed.

In the present embodiment, the support piece 38 and the shaft support member 41 are engaged with each other, and serve as a guide when the position of the support piece 38 in the direction along the opening direction of the shaft support member 41 is adjusted. Guide engaging portions 39 and 43 are provided. With such a configuration, it is possible to improve workability when the pivotal support member 41 is fixed to the support piece portion 38.
In the present embodiment, an engagement convex portion 43 is provided on the lower surface side of the shaft support member 41 so as to protrude downward, and the engagement convex portion 43 can be freely moved along the frontage direction on the support piece portion 38. The engaging recess 39 for receiving is provided. In the illustrated example, the engagement concave portion 39 is an engagement long hole 39 having a long diameter in the frontage direction and penetrating the support piece portion 38 in the thickness direction. Moreover, the example which provided this engagement long hole 39 between the internal thread parts 40 and 40 is shown. The dimension along the opening direction of the engagement long hole 39 is appropriately set according to the degree of position adjustment desired in the opening direction of the shaft support member 41 (shaft support portion 45) with respect to the support piece portion 38. May be. Instead of the above-described aspect, an engaging convex portion is provided on the upper surface side of the support piece portion 38 so as to protrude upward, and this engaging convex portion is provided on the shaft support member 41 along the frontage direction. It is good also as a structure etc. which provided the engagement recessed part which accepts movably. Further, such guide engaging portions 39 and 43 may not be provided.

The shaft support member 41 is provided with an insertion hole 44 and a shaft support portion 45 through which the third stopper 8 that fixes the shaft support member 41 to the support piece portion 38 is inserted. In the present embodiment, the shaft support portion 45 is a shaft portion 45 provided so as to protrude upward from the upper surface side of the support piece portion 38. The shaft portion 45 has a substantially cylindrical shape with the axial direction extending in the vertical direction, and is configured to be inserted into an engagement recess 27 provided at the lower end portion of the shaft support side door panel 25. Further, the vertical dimension of the shaft part 45 may be larger than the dimension along the vertical direction of the engagement recess 27 when the pivotal support side door panel 25 is supported.
Further, the shaft support member 41 has a configuration in which a thin plate-like fixing portion 42 is provided on the base end side of the shaft portion 45 so that the thickness direction is arranged along the vertical direction. The fixed portion 42 has a substantially rectangular shape that is long in the expected direction when viewed in the thickness direction, and has a configuration in which a shaft portion 45 is provided at the center thereof.

In addition, insertion holes 44 are provided on both sides of the fixed portion 42 in the expected direction of the shaft portion 45. In the present embodiment, the insertion holes 44 are formed as long holes having a long diameter in the frontage direction, and the shaft support member 41 is fixed to the support piece portion 38 so as to be position-adjustable along the frontage direction. . The dimensions along the opening direction of these insertion holes 44 and 44 are appropriately set according to the degree of position adjustment desired in the opening direction of the shaft support member 41 (shaft portion 45) with respect to the support piece portion 38, as described above. You may make it do. The insertion holes 44 and 44 may have a shape with a counterbore-like recess for receiving the head of the third stopper 8. Further, instead of the above-described mode, for example, a long hole may be provided on the support piece portion 38 side, and a fastening portion may be provided on the shaft support member 41 side.
In addition, an engagement convex portion 43 that constitutes the above-described guide engagement portion is provided on the lower surface side of the shaft portion 45 of the shaft support member 41. In the example shown in the figure, the engagement convex portion 43 is provided so as to be substantially coaxial with the shaft portion 45.

  The fixing member 31 has a plate shape that is arranged along the thickness direction of the axial support side vertical frame 16 that is in the same direction as the frontage direction. In this embodiment, the fixing member 31 has a substantially rectangular shape when viewed in the thickness direction. The dimension along the up-and-down direction and the expected direction of the receiving recess 19 of the above-mentioned axial support side vertical frame 16 is substantially the same as the dimension along the up-and-down direction and the expected direction of the fixing member 31. That is, in a state where the back surface of the fixing member 31 is in contact with the concave bottom surface facing toward the center of the front opening direction of the receiving recess 19, the outer peripheral surface of the fixing member 31 excluding the portion where the slide recess 32 is provided is the receiving recess. The inner peripheral surface of the place 19 is configured to be in contact with or close to each other over substantially the entire periphery.

The slide recess 32 is configured to receive the engagement piece 36 of the holder body 35 so as to be slidable in the vertical direction. The slide recess 32 opens toward the axial support side vertical frame 16 side and the lower side, which are one side in the thickness direction of the fixing member 31, so that the engagement piece portion 36 of the holder body 35 can be received. It is provided as follows. Further, in the present embodiment, the position where the lower surface of the support piece portion 38 of the holder main body 35 and the lower end surface of the fixing member 31 are substantially flush with the slide recess 32 is defined as the lower limit position of the holder main body 35. The engagement piece 36 is received so as to be movable upward from the lower limit position (see FIG. 3).
In the present embodiment, the slide recess 32 is provided so that the engagement piece 36 does not protrude from the back surface of the fixing member 31 in a state where the engagement piece 36 of the holder body 35 is received. In the present embodiment, the depth dimension (dimension along the thickness direction of the fixing member 31) of the slide recess 32 (upper recess 32a and lower recess 32b described later) is set to the thickness dimension of the engagement piece 36. And an example with substantially the same dimensions. That is, the back surface of the engagement piece 36 and the back surface of the fixing member 31 are substantially flush with the slide recess 32 receiving the engagement piece 36. That is, as shown in FIG. 3, when the fixing member 31 in which the engagement piece 36 of the holder main body 35 is received in the slide recess 32 is fitted in the reception recess 19, the slide recess 32 and the reception The recess 19 prevents the engagement piece 36 from moving in the frontage direction.

In addition, the slide recess 32 suppresses the movement of the engaging piece 36 (holding tool main body 35) in the expected direction with respect to the fixing member 31 in a state where the engaging piece 36 of the holding tool main body 35 is received. Is formed. That is, in this embodiment, in a state where the fixing member 31 in which the engaging piece portion 36 of the holder main body 35 is received in the slide recess 32 is fitted in the receiving recess 19, the fixing member 31 (receiving recess 19). It is set as the structure by which the movement to the prospective direction and frontage direction of the engagement piece part 36 (holding tool main body 35) with respect to is suppressed.
In addition, the slide recess 32 corresponds to the engagement piece portion 36, and the upper side piece portion 36a of the engagement piece portion 36 is vertically movable to be below the upper recess 32a. The lower recess 32b that receives the connecting piece 36b so as to be movable up and down is provided to be continuous. That is, an example in which the slide recess 32 including the upper recess 32a and the lower recess 32b is substantially T-shaped when viewed in the thickness direction of the fixing member 31 is shown.

The dimension along the expected direction of the upper recess 32a is the dimension along the expected direction of the upper end piece 36a of the engagement piece 36 so as to suppress the movement of the upper end piece 36a of the engagement piece 36 in the expected direction. The dimensions are approximately the same. In addition, the dimension along the vertical direction of the upper recess 32a is such that the upper end piece 36a of the engagement piece 36 is vertically movable so that the upper end piece 36a of the engagement piece 36 can be moved in the vertical direction. The dimension is larger than the dimension along the direction. The dimension along the vertical direction of the upper recess 32a may be appropriately set according to the degree of desired position adjustment in the vertical direction of the holder body 35 (shaft portion 45) with respect to the fixing member 31. Good.
The size of the lower recess 32b along the expected direction is along the expected direction of the connecting piece 36b of the engaging piece 36 so as to prevent the engaging piece 36 from moving in the expected direction of the connecting piece 36b. The dimensions are approximately the same as the dimensions. The lower recess 32b is provided so as to open toward the lower side.

In the present embodiment, the slide recess 32 is provided with a notch-like recess 32c that receives the bent portion 36c provided at the lower end of the engaging piece 36 so as to be movable up and down. The notch-like recess 32c is provided so as to penetrate the fixing member 31 in the thickness direction and open downward. The notch-like recess 32c is provided so as to continue to the lower recess 32b.
The dimension along the expectation direction of this notch-shaped recess 32c is the dimension along the expectation direction of the bent part 36c of the engagement piece 36 so that the movement of the bent part 36c of the engagement piece 36 in the expectation direction is suppressed. The dimensions are approximately the same. The dimension along the vertical direction of the notch-shaped recess 32c is appropriately set according to the degree of the desired position adjustment in the vertical direction of the holder main body 35 (shaft portion 45) with respect to the fixing member 31 as described above. You may do it. In the example of the drawing, the dimension along the vertical direction of the notch-shaped recess 32c is shown as an example in which the dimension is larger than the degree of vertical adjustment of the holder body 35 with respect to the fixing member 31. It is not restricted to such an aspect.

  The first insertion hole 33 through which the first stopper 6 that fixes the fixing member 31 to the receiving recess 19 is inserted is provided so as to penetrate the fixing member 31 in the thickness direction. In the present embodiment, the first insertion holes 33 are provided at a plurality of locations (four locations in the example) of the fixing member 31. In the illustrated example, the first insertion holes 33 are provided at the four corners of the fixing member 31. In the illustrated example, the first insertion holes 33 have a shape with a counterbore-shaped recess for receiving the head of the first stopper 6.

The second insertion hole 34 through which the second stopper 7 that fixes the engagement piece 36 of the holder main body 35 to the fixing member 31 is inserted has a long diameter in the vertical direction in this embodiment. The dimension along the vertical direction of the second insertion hole 34 is appropriately set according to the desired degree of position adjustment in the vertical direction of the holder main body 35 (shaft portion 45) with respect to the fixing member 31 as described above. You may do it.
Further, the slide recess 32 of the fixing member 31 is formed so that the second insertion hole 34 is positioned according to the female screw portion 37 as a fastening portion provided in the engagement piece portion 36 of the holder main body 35. It is provided so as to penetrate the provided portion in the thickness direction. That is, in the present embodiment, the second insertion holes 34 and 34 are provided at both ends in the expected direction of the portion where the upper recess 32a of the slide recess 32 is provided, and the portion where the lower recess 32b is provided. The second insertion hole 34 is provided. Further, in the illustrated example, these second insertion holes 34 have a shape with a counterbore-like recess for receiving the head of the second stopper 7.
The lower end holder 30 may be formed of a metal material or a hard synthetic resin material.

The lower end holder 30 configured as described above may be fixed to one inner side surface 17 of the entrance 5 as follows, for example.
First, in a state where the engagement piece portion 36 of the holder main body 35 is received in the slide recess 32, the fixing member 31 is fixed by the first stopper 6 so as to be fitted into the receiving recess 19 of the inner surface 17. At this time, the engaging piece 36 of the holder main body 35 may be temporarily fixed to the fixing member 31 by the second stopper 7. At this time, the shaft support member 41 may be temporarily fixed to the support piece portion 38 of the holder main body 35 by the third stopper 8.
Then, the engagement piece portion 36 of the holder main body 35 is appropriately adjusted in the vertical direction with respect to the fixing member 31 so that the folding door 20 is in an appropriate built-in state, and is fixedly fixed. The position may be adjusted in the frontage direction with respect to the support piece portion 38 to be permanently fixed. For example, when the lower end of the folding door 20 rubs against the floor surface 4, the engagement piece 36 of the holder main body 35 may be moved upward with respect to the fixing member 31 to be permanently fixed. Further, for example, when the door-end side door panel 21 interferes with the door-end side vertical frame 14 constituting the other inner surface, the shaft support member 41 is supported by the support piece portion 38 with respect to the support-side vertical frame. You may make it move to 16 side and fix this. At this time, the position may be adjusted and fixed in a state where the folding door 20 is removed as appropriate.

FIG. 3A shows an example in which the engagement piece portion 36 of the holder body 35 is fixed to the fixing member 31 at the lower limit position. In addition, an example in which the head of the second stopper 7 is located at the lower end edge portion of the second insertion hole 34 of the fixing member 31 at the lower limit position is shown. In addition, an example in which the lower end surface of the upper end piece portion 36a of the engagement piece portion 36 is in contact with the lower end edge of the upper recess portion 32a of the slide recess 32 at the lower limit position is shown.
3A shows an example in which the shaft support member 41 is fixed to the support piece portion 38 of the holder main body 35 at a position farthest away from the engagement piece portion 36 (most distant position). Yes. Further, at the farthest away position, the head portion of the third stopper 8 is located at the edge portion of the insertion hole 44 of the shaft support member 41 on the engagement piece portion 36 side, and the engagement long hole 39 of the support piece portion 38 is formed. An example is shown in which the engagement convex portion 43 of the shaft support member 41 is positioned at the edge portion on the center side in the frontage direction (the side opposite to the engagement portion).

3B shows an example in which the engagement piece 36 of the holder main body 35 is fixed to the fixing member 31 at the upper limit position. Further, an example is shown in which the head of the second stopper 7 is positioned at the upper end edge portion of the second insertion hole 34 of the fixing member 31 at the upper limit position. Further, an example is shown in which the upper end surface of the upper end piece portion 36a of the engagement piece portion 36 is in contact with the upper end edge of the upper recess portion 32a of the slide recess 32 at this upper limit position.
FIG. 3B shows an example in which the shaft support member 41 is fixed to the support piece portion 38 of the holder main body 35 at a position closest to the engagement piece portion 36 (closest position). Yes. Further, at the closest position, the head of the third stopper 8 is located at the edge portion of the insertion hole 44 of the shaft support member 41 at the center of the front end direction, and the engagement long hole 39 of the support piece 38 is engaged. The example which set it as the structure by which the engagement convex part 43 of the shaft support member 41 is located in the edge part by the side of the one part 36 is shown.

The lower end holder 30 according to this embodiment and the door device 1 including the lower end holder 30 are configured as described above, so that the shaft support portion 45 with respect to one inner side surface 17 of the doorway 5 has a vertical direction and an expected direction. While position adjustment in any one direction is possible, it can be fixed with good appearance.
That is, the lower end holding tool 30 is configured to include a flat plate-like fixing member 31 that is fixed so as to be fitted into the receiving recess 19 provided on one inner surface 17 of the doorway 5. Further, the engagement piece portion 36 of the holder main body 35 having a shaft support portion 45 that rotatably holds the lower end side of the door panel 25 on the back surface side of the fixing member 31 is either in the vertical direction or the expected direction. The slide recess 32 is slidably received in one direction. Therefore, the fixing member 31 fixed to the receiving recess 19 of the inner side surface 17 of the entrance / exit 5 is difficult to protrude from the inner side surface 17 and can be fixed with good appearance. This also makes it possible to reduce the gap between the inner surface 17 of the doorway 5 and the door panel 25. Further, the engaging piece portion 36 that is slidably received in one direction in the slide recess 32 of the fixing member 31 is fixed to the fixing member 31 so that the position can be adjusted along the one direction. Therefore, it is not necessary to enlarge the receiving recess 19 so that the position of the fixing member 31 can be adjusted with respect to the inner surface 17, and the position of the holder body 35 having the shaft support 45 can be adjusted in one direction. In addition, the fixing member 31 of the lower end holding tool 30 can be put in the receiving recess 19 with good appearance and fixed.
Further, even when it is difficult to fix the member that rotatably holds the lower end side of the door panel 25 to the floor side, the lower end holding tool 30 can be fixed to one inner side surface 17 of the doorway 5.

  In the present embodiment, one direction is the vertical direction. Therefore, the holder main body 35 having the shaft support portion 45 can be fixed to the fixing member 31 so that the position can be adjusted in the vertical direction. Thereby, it can adjust so that there may be no excess and deficiency of engagement with the axial support part 45 of the holder main body 35, and the engaging part 27 provided in the door panel 25 side engaged with this up and down. .

Further, in the present embodiment, the first insertion hole 33 through which the first stopper 6 that fixes the fixing member 31 to the receiving recess 19 is inserted into the fixing member 31, and the engaging piece portion 36 of the holder main body 35. And a second insertion hole 34 having a long diameter in one direction through which the second stopper 7 for fixing the fixing member 31 to the fixing member 31 is inserted. Therefore, the holder main body 35 can be adjusted in position in one direction and fixed to the fixing member 31 fixed to the receiving recess 19. Thereby, for example, it is necessary to adjust the position of the holder main body in one direction with respect to the fixing member that is not fixed to the receiving recess, and to fix the fixing member to the receiving recess together with the engaging piece portion of the holder main body. Workability can be improved as compared with the case where there is.
In the present embodiment, the engaging piece portion 36 is provided with a female screw portion 37 as a fastening portion of the second stopper 7 that fixes the engaging piece portion 36 to the fixing member 31. Therefore, the engagement piece portion 36 of the holder main body 35 can be temporarily fixed to the fixing member 31 by the second stopper 7, and workability can be improved. Further, for example, when the fastening portion of the engagement piece 36 is a pilot hole-shaped fastener hole, it is difficult to adjust the position and reuse it again. And can be reused.

Moreover, in this embodiment, the holder main body 35 is fixed to the support piece portion 38 provided so as to protrude from the lower end of the engagement piece portion 36 in the frontage direction so that the position can be adjusted along the frontage direction. The shaft support member 41 having the shaft support portion 45 is provided. Accordingly, it is possible to adjust the fixing position in the front end direction of the shaft support member 41 with respect to the support piece portion 38 of the holder main body 35. Thereby, the position of the shaft support portion 45 of the lower end holder 30 can be adjusted in the frontage direction in addition to the one direction with respect to the inner surface 17 of the doorway 5.
In the present embodiment, the support piece portion 38 is provided with a female screw portion 40 as a fastening portion of the third stopper 8 that fixes the shaft support member 41 to the support piece portion 38. The long-diameter insertion hole 44 is provided in the front direction through which the third stopper 8 is inserted. Therefore, the shaft support member 41 can be temporarily fixed to the support piece portion 38 of the holder main body 35 by the third stopper 8, and workability can be improved. Similarly to the above, for example, when the fastening portion of the support piece 38 is a pilot hole-shaped fastener hole, it is difficult to adjust the position and reuse it again. Position adjustment and reuse are possible.
In addition, it is good also as a structure provided with the axial support member 41 which has the axial support part 45 fixed to the support piece part 38 so that position adjustment is possible along a prospective direction instead of the above aspects. In this case, the shaft support member 41 may be provided with a long-diameter insertion hole 44 in the expected direction.

Next, an example of the lower end holder according to another embodiment of the present invention will be described with reference to the drawings.
FIG. 5 is a diagram schematically showing a lower end holder according to the second embodiment.
Note that differences from the first embodiment described above will be mainly described, and the same components will be denoted by the same reference numerals, and description thereof will be omitted or briefly described. Moreover, although illustration is abbreviate | omitted, the lower end holder which concerns on this embodiment can also be integrated in the door apparatus 1 similarly to the said 1st Embodiment.

As shown in FIG. 5, the lower end holding tool 30A according to the present embodiment includes the slide recess 32A of the fixing member 31A and the configuration of the engaging piece portion 36A of the holding body 35A that is received by the slide recess 32A. Is mainly different.
In the present embodiment, the engagement piece portion 36A is not substantially T-shaped, but has a substantially rectangular shape that is long in the vertical direction when viewed in the thickness direction. Also, the slide recess 32A is provided with a groove-like recess 32d that is long in the vertical direction and slidably receives the upper part of the engagement piece 36A in the vertical direction. With such a configuration, the structure can be simplified. Moreover, in this embodiment, it is set as the structure which provided the internal thread part 37 as a single fixation part in the engagement piece part 36A, and provided the single 2nd penetration hole 34 in 31 A of fixing members. With such a configuration, the structure can be simplified.

Moreover, in this embodiment, it is set as the structure which provided the axial support part 45A to the holder main body 35A fixedly. With such a configuration, the structure can be simplified. That is, in this embodiment, it is set as the structure which provided 45 A of axial support parts so that position adjustment was impossible in the frontage direction with respect to the support piece part 38A of 35 A of holder main bodies. The shaft support 45A may be provided integrally with the support piece 38A of the holder main body 35A, or fixed to the support piece 38A of the holder main body 35A by a fastener or welding. It is good.
The lower end holder 30 </ b> A according to the present embodiment having the above configuration also has substantially the same effects as those of the first embodiment described above.

Note that the different configurations described in the above embodiments may be appropriately modified as necessary, rearranged and applied, or combined and applied.
Moreover, in each said embodiment, the axial support part of the holder main bodies 35 and 35A was shown as the axial part 45 and 45A inserted in the engagement recessed part 27 provided in the lower end part of the axial support side door panel 25, and shown. However, the present invention is not limited to such a mode. The shaft support portions 45 and 45A of the holder main bodies 35 and 35A may be used as bearing-hole-shaped bearing portions that receive engagement protrusions as shaft-shaped engagement portions 27 provided at the lower end portion of the shaft support side door panel 25. Good.
Moreover, in each said embodiment, the example which set it as the structure fixed so that the engagement piece parts 36 and 36A of the holder main bodies 35 and 35A can be position-adjusted with respect to the fixing members 31 and 31A along an up-down direction is shown. However, the present invention is not limited to such a mode. The engagement piece portions 36 and 36A of the holder main bodies 35 and 35A may be fixed to the fixing members 31 and 31A so that the position can be adjusted along the expected direction. In this case, the slide recesses 32 and 32A of the fixing members 31 and 31A, the engaging pieces 36 and 36A of the holder main bodies 35 and 35A, and the like may be appropriately deformed as necessary.
Moreover, in each said embodiment, it is set as the structure which provided the 1st penetration hole 33 and the 2nd penetration hole 34 in the fixing members 31 and 31A, However, It is not restricted to such an aspect. For example, the stopper that fixes the fixing member to the receiving recess and the stopper that fixes the engaging piece of the holder main body to the fixing member may be used as a common stopper.

Further, in the above-described example, an example is shown in which the fixing member 31, 31 </ b> A of the lower end holder 30, 30 </ b> A is the receiving recess 19 provided on the inner side surface 17 of the pivot support side vertical frame 16. It is not limited to such an aspect. For example, the receiving recess provided on the inner surface of the entrance / exit 5 finished in a frameless shape may be a fixing target of the fixing members 31 and 31A of the lower end holders 30 and 30A.
Moreover, although the example mentioned above showed the example which provided the one set of folding doors 20 in the entrance / exit 5, it is good also as a structure which provided multiple sets of folding doors. In this case, you may make it provide the lower end holders 30 and 30A in the both inner surfaces of the entrance / exit 5, respectively.
Moreover, although the parent-and-child type folding door 20 is illustrated in the above-mentioned example, it may replace with such an aspect and it is good also as the folding door 20 by which the door width dimension of each door panel 21 and 25 was made into the mutually substantially the same dimension. .
Moreover, in the above-mentioned example, although the door panel by which the lower end side is rotatably hold | maintained by the lower end holders 30 and 30A is shown as the pivot support side door panel 25 of the folding door 20, in such an aspect, Instead, it may be a hinged door panel.

1 Folding door device (door device)
10 Door frame 16 Axial support side vertical frame (vertical frame)
17 One inner surface 19 Receiving recess 25 Axial support side door panel (door panel)
30, 30A Lower end holder 31, 31A Fixing member 32, 32A Slide recess 33 First insertion hole 34 Second insertion hole 35, 35A Holder body 36, 36A Engagement piece 38, 38A Support piece 41 Axial support member 45, 45A Shaft (shaft support)
5 Entrance / Exit 6 First Stopper (Stopper that fixes the fixing member to the receiving recess)
7 Second stopper (stopper for fixing the engaging piece to the fixing member)

Claims (4)

A flat plate-like fixing member that is fixed so as to be fitted in a receiving recess provided on one inner surface of the doorway, and a holder body that has a shaft support portion that rotatably holds the lower end side of the door panel; With
On the back side of the fixing member, there is provided a slide recess for slidably receiving an engagement piece provided on the holder body in the vertical direction, and the engagement piece is in the vertical direction with respect to the fixing member. And is fixed so that the position can be adjusted along the
The holder main body is provided with a support piece portion that protrudes in the frontage direction so as to be continuous with a bent portion provided at a lower end portion of the engagement piece portion, and has the shaft support portion. A lower end holding tool characterized in that a notch-like recess for receiving a bent portion so as to freely move up and down is provided so as to penetrate in the thickness direction and open downward. In claim 1,
The dimension along the expectation direction of the said support piece part is made larger than the dimension along the expectation direction of the said bending part, The lower end holder characterized by the above-mentioned. In claim 2,
The lower end holder, wherein a dimension along the expected direction of the support piece and a dimension along the expected direction of the fixing member are substantially the same.   The lower end holder according to any one of claims 1 to 3, a door frame having a vertical frame in which the receiving recess is provided on an inner surface, and the lower end holder mounted on the door frame. And a door panel having a lower end rotatably held therein.

Images