Retaining member for sliding doors

Abstract

To reduce man-hours in home renovation and to enable free selection of sliding doors.SOLUTION: A sliding door holding member 14 that holds the upper end of a sliding door is attached to an existing lintel 30. The sliding door holding member 14 includes a cover member 40 and a rail member 50. The cover member 40 includes a base portion 41 attached to the lintel 30 with an upper surface overlapping a lower surface of the lintel 30, and a pair of side wall portions 42 protruding downward from both ends of the base portion 41 and facing each other. An outer surface 48 of the side wall portion 42 is provided with a plurality of grooves 80 aligned in an up-down direction 9. The rail member 50 includes a fitting portion 51 having a rail portion 55 and a pair of attachment pieces 52 that protrude from both ends of the fitting portion 51 and face each other. Each of the attachment pieces 52 has a screw hole 56 into which an attachment screw 17 is screwed. The rail member 50 is attached to the cover member 40 at a height position corresponding to the vertical length of an entrance / exit opening.SELECTED DRAWING: Figure 7

Description

Technical Field

[0001] The present invention relates to a holding member for a sliding door that holds the upper end of the sliding door and an opening structure for entry and exit.

Background Art

[0002] Patent Document 1 discloses a renovation method for installing a new sliding door while leaving an existing duck board. According to this renovation method, an intermediate protrusion between a pair of sliding grooves of the existing duck board is cut out to form a recess, and a new rail member is attached to the recess. The new rail member has a sliding groove that matches the upper end of the newly installed sliding door.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] In the renovation of a house, a Japanese-style room may be changed to a Western-style room. In this case, due to reasons such as a change in the floor height, the vertical dimensions of the opening change. In the renovation method disclosed in Patent Document 1, even if it was possible to cope with a slight change in the height of the sliding door depending on the shape of the new rail member, if the vertical dimensions of the opening change significantly or the vertical dimensions of the sliding door change significantly, it may not be possible to cope. In that case, problems such as an increase in man-hours, such as replacing the duck board or selecting a sliding door that matches the dimensions, or a limitation in the selection of the sliding door, may occur.

[0005] The present invention has been made in view of the above circumstances, and an object thereof is to provide means for reducing the man-hours in the renovation of a house and enabling free selection of sliding doors.

Means for Solving the Problems

[0006] (1) The sliding door retaining member according to the present invention comprises a cover member fixed to an existing member that partitions the upper part of an opening in a room of a house where a sliding door is installed, and a rail member having a groove into which the upper end of the sliding door fits, and fixed to the cover member. The cover member has a plate-shaped base that abuts against the existing member and a pair of opposing side wall portions that extend downward from the base. The rail member is selectively fixed to the cover member at at least one of a first height position between the pair of side wall portions, or a second height position between the pair of side wall portions that is at a different height from the first height position.

[0007] The worker installs the lower rail member on top of the existing threshold, or removes the existing threshold and installs the lower rail member on top of the floor member. The worker measures the vertical length of the opening, which is the length from the lower rail member to the existing member such as the lintel, and fixes the rail member to the cover member at a first or second height position according to the measured vertical length of the opening. This eliminates the need for the worker to replace the lintel, select a sliding door that matches the dimensions, or trim the upper end of the sliding door. Alternatively, the worker fixes the rail member to the cover member at a first or second height position according to the measured vertical length of the opening and the vertical length of the sliding door. This limits the selection of sliding doors.

[0008] (2) The sliding door retaining member according to the present invention may further include a block that fits into a groove of the existing member. The base is fixed to the existing member by a screw that penetrates the existing member via the block that fits into the groove of the existing member.

[0009] By using blocks that fit into grooves in existing components, the cover component can be securely fixed to the existing component.

[0010] (3) The rail member may be fixed between the pair of side walls by screws that are inserted into each of the pair of side walls.

[0011] (4) The entrance opening structure according to the present invention comprises an existing member that partitions the upper part of an entrance opening provided in a room of a house, a lower rail member that partitions the lower part of the opening and into which the lower end of a sliding door fits, and a sliding door holding member. The sliding door holding member comprises a cover member fixed to the existing member and a rail member that has a groove into which the upper end of the sliding door fits and is fixed to the cover member. The cover member comprises a plate-shaped base that abuts against the existing member, The rail member has a pair of opposing side wall portions extending downward from the base portion. The rail member is selectively fixed to the cover member at at least one of the following: a first height position between the pair of side wall portions, or a second height position between the pair of side wall portions that is at a different height from the first height position.

[0012] This invention can also be considered as an entrance / exit opening structure. [Effects of the Invention]

[0013] The sliding door retaining member according to the present invention can reduce the amount of work involved in home renovations and allow for a free selection of sliding doors. [Brief explanation of the drawing]

[0014] [Figure 1] Figure 1(A) shows the state of room 11 of house 10 as seen from the living room 18 side through the entrance / exit opening 12 before renovation, and Figure 1(B) shows the state of the entrance / exit opening 12 of room 11 of house 10 as seen from the inside after renovation. [Figure 2] Figure 2 is a cross-sectional view of the cover member 40. [Figure 3] Figure 3 is a cross-sectional view of the rail member 50. [Figure 4] Figure 4 is a cross-sectional view of the entrance / exit opening structure 13, where (A) shows the case where the lower rail member 22 is provided on the sill 21, (B) shows the case where the lower rail member 22 is provided on the floor base material 26, and (C) shows the case where the lower rail member 22 is provided on the floor member 23. [Figure 5] FIG. 5 is an explanatory diagram for explaining the process of attaching the cover member 40 to the duckweed 30. [Figure 6] FIG. 6 is an explanatory diagram for explaining the process of attaching the rail member 50 to the cover member 40. [Figure 7] FIG. 7 is a cross-sectional view of the access opening structure 13 in a state where the sliding door 70 is fitted.

Embodiments for Carrying Out the Invention

[0015] Hereinafter, embodiments of the present invention will be described. It should be noted that the embodiments described below are merely examples of the present invention, and it is needless to say that the embodiments of the present invention can be appropriately changed without changing the gist of the present invention.

[0016] In the present embodiment, a sliding door holding member 14 used for renovation of the house 10 and an access opening structure 13 provided with the sliding door holding member 14 will be described.

[0017] In the renovation of a house, a tatami-matted Japanese-style room is changed to a flooring Western-style room. Or, it is renovated from a Western-style room to a Western-style room. In the renovation, for example, the existing threshold 21 is left and a lower rail member 22 (see FIG. 4(A)) is attached on the threshold 21. Or the threshold 21 is removed and the lower rail member 22 is attached on the floor base material 26 (see FIG. 4(B)). Or after the threshold 21 is removed, a floor member 23 (see FIG. 4(C)) is attached on the floor base material 26, and the lower rail member 22 is attached on the floor member 23. The distance L from the lower rail member 22 to the duckweed 30 is different when the lower rail member 22 is attached on the existing threshold 21, when it is attached on the floor base material 26, and when it is attached on the floor member 23. In the present embodiment, a sliding door holding member 14 that can hold the upper end portion of the sliding door 70 (see FIG. 7) regardless of the difference in the distance L, and an access opening structure 13 provided with the sliding door holding member 14 will be described. That is, the sliding door holding member 14 described in the present embodiment can be used regardless of the renovation specifications.

[0018] FIG. 1(A) shows the state of the room 11 of the house 10 before renovation as seen from the side of the living room or the corridor (or hallway) 18 through the access opening 12, and FIG. 1(B) shows the state of the access opening 12 of the room 11 of the house 10 after renovation as seen from the indoor side. The room 11 was a Japanese-style room before renovation and a Western-style room after renovation. That is, FIG. 1 shows the case where the room 11 is changed from a Japanese-style room to a Western-style room during renovation.

[0019] Before renovation, the room 11 has a floor underlay material 26 (see FIG. 4) and tatami mats 24 attached to the floor underlay material 26. After renovation, the room 11 has a floor underlay material 26 and a floor member 23 attached to the floor underlay material 26. That is, in the renovation, the tatami mats 24 are removed and the floor member 23 is attached to the floor underlay material 26.

[0020] The room 11 also has an access opening 12 leading to the living room 18. Before renovation, the access opening 12 is partitioned by a threshold 21, a lintel 30, and a pair of frame members 27. The threshold 21 partitions the lower side of the access opening 12, the lintel 30 partitions the upper side of the access opening 12, and the pair of frame members 27 partition the left and right sides of the access opening 12. After renovation, the access opening 12 is partitioned by a lower rail member 22 (see FIG. 4), a lintel 30, and a pair of frame members 27. That is, the threshold 21 is removed and the renovation is carried out. Alternatively, after renovation, the access opening 12 is partitioned by the threshold 21 and the lower rail member 22, a lintel 30, and a pair of frame members 27. That is, the threshold 21 is left without being removed and the renovation is carried out. Note that the pair of frame members 27 may be replaced during renovation, or the existing frame members 27 may be left.

[0021] Hereinafter, the direction along the wall surface 15 of the room 11 where the access opening 12 is provided and in the horizontal direction is referred to as the first direction 7, the direction perpendicular to the wall surface 15 is referred to as the second direction 8, and the direction along the vertical direction is referred to as the up-down direction 9.

[0022] The threshold 21 is a rectangular parallelepiped member extending along the first direction 7. The threshold 21 is made of, for example, wood.

[0023] As shown in Figure 4, the lower rail member 22 is attached on top of the existing sill 21, or on top of the floor subfloor material 26, or on top of the floor member 23. The lower rail member 22 is a long member that extends along the first direction 7. The lower rail member 22 is made of metal, for example. The lower rail member 22 is manufactured, for example, by bending a long metal plate. The lower rail member 22 is then cut and attached according to the length of the sill 21 in the first direction 7, or, if the sill 21 is removed, according to the length of the entrance / exit opening 12 in the first direction 7.

[0024] The lower rail member 22 has a pair of rail sections 25 with a concave cross-section into which the lower end of the sliding door 70 (see Figure 1) fits. The pair of rail sections 25 face each other in the second direction 8. The lower rail member 22 and the rail sections 25 extend along the first direction 7 (the direction perpendicular to the plane of the paper in Figure 4). That is, the pair of rail sections 25 are parallel. The lower rail member 22 supports the sliding door 70, whose lower end is fitted into the rail sections 25, so that it can slide along the first direction 7.

[0025] If the existing threshold 21 is removed, the lower rail member 22 is newly attached to the upper surface of the floor member 23 attached to the subfloor material 26, as shown in Figure 4(C). Alternatively, the lower rail member 22 is newly attached to the upper surface of the subfloor material 26. In that case, the floor member 23 is attached to both sides of the lower rail member 22 (both left and right sides in Figure 4(B)). The floor member 23 is made of wood and forms what is known as flooring.

[0026] The lintel 30 is a rectangular parallelepiped extending along the first direction 7 (the direction perpendicular to the plane of the paper in Figure 4). The lintel 30 is made of wood, for example. The lintel 30 is an example of an existing member.

[0027] The lintel 30 has a groove 31 into which the existing upper rail member 32 is fitted. The groove 31 extends along the first direction 7 (the direction perpendicular to the plane of the paper in Figure 4).

[0028] The upper rail member 32 is a long member that extends along the first direction 7 (the direction perpendicular to the plane of the paper in Figure 4), and is fitted into the groove 31 of the lintel 30 and fixed to the lintel 30 by screws or adhesive (not shown).

[0029] The upper rail member 32 has a pair of rail sections 33. The pair of rail sections 33 extend along the first direction 7 (the direction perpendicular to the plane of the paper in Figure 4). The pair of rail sections 25 are aligned in the second direction 8. That is, the pair of rail sections 33 are parallel. Furthermore, one rail section 33 is located directly above one rail section 25 of the lower rail member 22, and the other rail section 33 is located directly above the other rail section 25.

[0030] The sliding door retaining member 14 shown in Figure 6 is attached to the lintel 30 and is a member that slidably holds the upper end of the sliding door 70 (see Figure 1).

[0031] The sliding door retaining member 14 comprises a cover member 40 attached to the lintel 30, a rail member 50 attached to the cover member 40, and a pair of blocks 60 positioned between the lintel 30 and the cover member 40. In the following description, assuming the sliding door retaining member 14 is attached to the lintel 30, the shapes of the cover member 40, the rail member 50, and the blocks 60 will be described using the first direction 7, the second direction 8, and the vertical direction 9.

[0032] Block 60 is sized and shaped to fit into the rail portion 33 of the upper rail member 32. In the example shown in Figure 5, block 60 is a rectangular parallelepiped extending along the first direction 7. Block 60 is, for example, a wooden square timber. However, block 60 may also be of other shapes, such as a rectangular tube, for example, a steel pipe. Block 60 is fitted into the rail portion 33 of the upper rail member 32. When the mounting screws 16 are screwed into the lintel 30, the base portion 41 of the cover member 40 is prevented from deforming. Note that block 60 may also be a rectangular parallelepiped with a length shorter than the length of the lintel 30 in the first direction 7. In that case, multiple blocks 60 are fitted into the rail portion 33 of the upper rail member 32.

[0033] The cover member 40 shown in Figure 2 is a long member that extends along the first direction 7 (the direction perpendicular to the plane of the paper in Figure 2). At the renovation site, the cover member 40 is cut to a length corresponding to the length of the lintel 30 in the first direction 7 and used. The cover member 40 is cut to a length that is approximately the same as the length of the lintel 30 or slightly shorter than the length of the lintel 30. The cover member 40 after cutting will be described below.

[0034] The cover member 40 comprises a base portion 41 and a pair of side wall portions 42 protruding from the base portion 41. The cover member 40 is manufactured, for example, by welding together an aluminum plate forming the base portion 41 and an aluminum plate forming the side wall portions 42. The cover member 40 may also be manufactured using other metals such as stainless steel or steel plates.

[0035] The base portion 41 is a rectangular plate shape extending along the first direction 7. The base portion 41 is attached to the lintel 30 by bringing one of its main surfaces, the upper surface 43, into contact with the lower surface of the lintel 30.

[0036] As shown in Figure 5, the length (width) of the base 41 in the second direction 8 is approximately the same as the width of the lintel 30. That is, the upper surface 43 of the cover member 40 is approximately the same shape as the lower surface of the lintel 30. The cover member 40 is positioned so that the upper surface 43 of the base 41 overlaps the lower surface of the lintel 30. In other words, the base 41 covers almost the entire lower surface of the lintel 30, and the cover member 40 covers and conceals the lower surface of the existing lintel 30.

[0037] As shown in Figure 2, the base 41 has a pair of grooves 45 recessed from the lower surface 44. The grooves 45 are markers indicating the positions for inserting the mounting screws 16.

[0038] The groove 45 has a V-shaped cross-section. The groove 45 extends along the first direction 7 (the direction perpendicular to the plane of the paper in Figure 2) from one end to the other of the base 41 in that direction. That is, in the cover member 40, at any point along the first direction 7, the worker can easily recognize the position in the groove 45 where the mounting screw 16 is inserted.

[0039] The distance between the pair of grooves 45 in the second direction 8 is approximately the same as the distance between the pair of rail sections 33 of the upper rail member 32. When the upper surface 43 of the base 41 is placed on the lower surface of the lintel 30, one groove 45 is located below one rail section 33, and the other groove 45 is located below the other rail section 33. In other words, the position through which the mounting screws 16 are inserted is directly below the rail section 33, or directly below the block 60 fitted into the rail section 33.

[0040] The base portion 41 is provided with a pair of fixed rib sets 46 that protrude from the upper surface 43. One fixed rib set 46 is provided for one groove 45, and the other fixed rib set 46 is provided for the other groove 45.

[0041] The fixed rib set 46 has a pair of ribs 47. The ribs 47 extend along a first direction 7 (the direction perpendicular to the plane of the paper in Figure 2) and span from one end to the other of the base 41 in the first direction 7. In the second direction 8, one rib 47 is positioned offset to one side (the left side in Figure 2) directly above the groove 45, and the other rib 47 is positioned offset to the other side (the right side in Figure 2) directly above the groove 45. That is, the ribs 47 do not come into contact with the mounting screws 16 that are screwed into the base 41 from the groove 45, and do not obstruct the installation of the mounting screws 16.

[0042] The ribs 47 protrude upward from the upper surface 43 of the base 41. As shown in Figure 5, the tips of the ribs 47 abut against the lower surface of the block 60. The pair of ribs 47, together with the upper rail member 32, sandwich the block 60 from above and below, fixing the block 60 in place. Furthermore, the abutment of the tips of the ribs 47 against the block 60 prevents the base 41 from deforming due to the force received from the mounting screws 16 when the mounting screws 16 are screwed into the lintel 30.

[0043] As shown in Figure 2, the pair of side wall portions 42 project downward from both ends of the lower surface of the base portion 41 in the second direction 8. The side wall portions 42 are rectangular plate-shaped and extend along the first direction 7 (the direction perpendicular to the plane of the paper in Figure 2). The pair of side wall portions 42 are symmetrical with respect to the center line of the base portion 41 in the second direction 8 and face each other in the second direction 8.

[0044] As shown in Figure 6, the length of the side wall portion 42 in the vertical direction 9 is longer than the length of the rail member 50 in the vertical direction 9. In other words, depending on the mounting position, the side wall portion 42 can cover the rail member 50.

[0045] The length of the side wall portion 42 in the vertical direction 9 is, for example, several tens of millimeters to several hundred millimeters. Preferably, the length of the side wall portion 42 in the vertical direction 9 is several tens of millimeters. More preferably, the length of the side wall portion 42 in the vertical direction 9 is 60 mm to 80 mm. In this embodiment, the length of the side wall portion 42 in the vertical direction 9 is approximately 75 mm.

[0046] As shown in Figure 2, the side wall portion 42 has multiple grooves 80 on its outer surface 48 that allow the worker to recognize the height position for attaching the mounting screws 17. The multiple grooves 80 are recessed from the outer surface 48. The multiple grooves 80 have the same shape. In the illustrated example, the cross-sectional shape of the grooves 80 is V-shaped.

[0047] Each of the grooves 80 extends along the first direction 7 (the direction perpendicular to the plane of the paper in Figure 2), and spans from one end to the other of the outer surface 48 in the first direction 7. The grooves 80 are spaced apart from each other in the vertical direction 9. The height position of the rail member 50 changes depending on which groove 80 the mounting screw 17 is inserted into the side wall portion 42.

[0048] The height positions of the multiple grooves 80 on one side wall 42 are the same as those of the multiple grooves 80 on the other side wall 42. For example, the height position of the Nth (N is a natural number) groove 80 from the top on one side wall 42 is the same as that of the Nth (N is a natural number) groove 80 from the top on the other side wall 42. When an operator inserts a mounting screw 17 into the side wall 42 at the Nth groove 80 from the top on one side wall 42, they also insert a mounting screw 17 into the side wall 42 at the Nth groove 80 from the top on the other side wall 42. In other words, the multiple grooves 80 provided on each of the pair of side wall 42 serve as markers for determining the mounting height of the rail member 50, and also as markers to prevent the rail member 50 from tilting in the second direction 8. The height position of the rail member 50 shown in Figure 6(A) is an example of a first height position, and the height position of the rail member 50 shown in Figure 6(B) is an example of a second height position.

[0049] The rail member 50 shown in Figure 3 is a long member that extends along the first direction 7 (the direction perpendicular to the plane of the paper in Figure 3). At the renovation site, the rail member 50 is cut to a length corresponding to the length of the lintel 30 or cover member 40 in the first direction 7 and used. For example, the rail member 50 is cut to the same length as the cover member 40. The rail member 50 after cutting will be described below.

[0050] The rail member 50 is manufactured, for example, by cutting, bending, and drilling an aluminum plate. The rail member 50 may also be manufactured using other metals such as stainless steel or steel plates.

[0051] The rail member 50 includes a fitting portion 51 into which the upper end of the sliding door 70 (see Figure 1) fits, and a pair of mounting pieces 52.

[0052] The fitting portion 51 has a rectangular plate-shaped base plate 53 whose main surface extends horizontally, and three rectangular plate-shaped side plates 54 that protrude downward from both ends and the center of the base plate 53 in the second direction 8. The four side plates 54 extend along the first direction 7 (the direction perpendicular to the plane of the paper in Figure 3) and demarcate two rail portions 55. The two rail portions 55 are aligned in the second direction 8. Furthermore, when the rail member 50 is attached to the lintel 30 via the cover member 40, one rail portion 55 is located directly above one rail portion 25 of the lower rail member 22, and the other rail portion 55 is located directly above the other rail portion 25 of the lower rail member 22. That is, the rail portions 25 and 55 can support the sliding door 70 so that it can slide along the first direction 7. The rail portion 55 is an example of a groove into which the upper end of the sliding door fits.

[0053] One mounting piece 52 protrudes upward from one end of the substrate 53 in the second direction 8, and the other mounting piece 52 protrudes upward from the other end of the substrate 53, and the pair of mounting pieces 52 face each other in the first direction 7. The distance between the outer surfaces of the pair of mounting pieces 52 is approximately the same as, or slightly shorter than, the distance between the inner surfaces of the pair of side wall portions 42 (see Figure 2) of the cover member 40. That is, as shown in Figure 6, the rail member 50 can be inserted inside the cover member 40.

[0054] As shown in Figure 3, each of the pair of mounting pieces 52 has a screw groove 56 into which a mounting screw 17 is screwed. The screw groove 56 is recessed from the outer surface of the mounting piece 52 and extends along the first direction 7 (the direction perpendicular to the plane of the paper in Figure 3).

[0055] As shown in Figure 6, the length (total height) of the rail member 50 in the vertical direction 9 is shorter than the length of the side wall portion 42 of the cover member 40 in the vertical direction 9. When the rail member 50 is installed at a high position (see Figure 6(A)), it is completely covered by the cover member 40, and when it is installed at a low position, all or part of the side plate 54 is exposed to the outside (see Figure 6(B)). Here, the side plate 54 of the rail member 50 and the side wall portion 42 of the cover member 40 may be decorated by painting, plating, etc. That is, the side plate 54 and the side wall portion 42 function as decorative members.

[0056] The renovation of the entrance / exit opening structure 13 will be explained below with reference to Figures 1, 4, 5, 6, and 7.

[0057] As shown in Figure 4, the worker attaches the lower rail member 22 to the sill 21, or to the subfloor material 26, or to the floor member 23. Next, the worker measures the length of the lintel 30 (see Figure 1) in the first direction 7 and cuts the cover member 40 and the rail member 50 to a length corresponding to the length of the lintel 30.

[0058] The worker fits the block 60 onto the rail portion 33 of the upper rail member 32 (see Figure 5). Next, the worker places the cover member 40 by overlapping the upper surface 43 of the base 41 of the cover member 40 with the lower surface of the lintel 30, and then places the tip of the mounting screw 16 into the back of the groove 45. The worker screws each mounting screw 16 into the base 41, block 60, upper rail member 32, and lintel 30 in that order, and attaches the cover member 40 to the lintel 30.

[0059] Next, the worker measures the distance L (see Figure 2) from the lower rail member 22 to the lintel 30. Based on the distance L and the total height H of the sliding door 70 (see Figure 7), the worker determines which of the multiple grooves 80 will be used to screw in the mounting screw 17 (see Figure 6). In the example shown in Figure 6(A), the worker determines the 12th groove 80 from the bottom, and in the example shown in Figure 6(B), the worker determines the 4th groove 80 from the bottom. The total height H of the sliding door 70 is known from the specifications of the sliding door 70, etc.

[0060] After positioning the rail member 50 so that the determined groove 80 and its height position match the height position of the screw groove 56 of the rail member 50, the worker screws the mounting screws 17 into the groove 80 of the side wall 42 and the screw groove 56 of the side plate 54, and attaches the rail member 50 to the cover member 40.

[0061] Next, as shown in Figure 7, the worker fits the upper end of the sliding door 70 into the rail portion 55 of the rail member 50, and then fits the lower end of the sliding door into the rail portion 25 of the lower rail member 22.

[0062] [Effects of the Embodiment] In this embodiment, the sliding door holding member 14 that holds the upper end of the sliding door 70 comprises a cover member 40 attached to the lintel 30 and a rail member 50 that can be attached to the cover member 40 at different height positions. The worker attaches the rail member 50 to the cover member 40 at different height positions depending on whether the sill 21 is left in place, whether the sill 21 is removed, whether the lower rail member 22 is attached to the floor member 23, or whether the lower rail member 22 is attached to the subfloor material 26. Therefore, the sliding door holding member 14 according to this embodiment can be used for various renovations. As a result, the replacement of the lintel 30 becomes unnecessary, and the selection of the sliding door 70 becomes unnecessary, thus reducing the number of steps in the renovation compared to conventional methods and increasing the types of sliding doors 70 that can be used. Furthermore, since the sliding door holding member 14 can be used for various renovations, inventory management becomes easier compared to storing different types of sliding door holding members according to the type of renovation in stock.

[0063] Furthermore, in this embodiment, the block 60 is fitted into the rail portion 33 of the upper rail member 32 to attach the cover member 40 to the lintel 30, thereby reducing deformation of the base portion 41 of the cover member 40 and ensuring that the cover member 40 is securely fixed to the lintel 30. [Explanation of Symbols]

[0064] 7...1st direction 8...Second direction 9. Up and down 10. Housing 11...room 12... Entrance / Exit opening 13...Opening structure for access 14. Retaining member for sliding door 16, 17... Mounting screws 21...threshold 22. Lower rail component 23... Flooring materials 30... Door frame 31...Groove 32. Upper rail component 33... Rail section 40... Cover component 41...Base 42... Side wall section 50... Rail components 51. Fitting part 52... Mounting piece 55... Rail section 56... Screw groove 60 blocks 70... Sliding door 80...Groove

Claims

1. An opening for entry and exit provided in a room of a house, a cover member fixed to an existing member that partitions the upper part of the opening where a sliding door is installed, The upper end of the sliding door has a groove into which it fits, and the rail member is fixed to the cover member, It comprises a block that fits into the groove of the existing member mentioned above, The above cover member is A plate-shaped base that comes into contact with the existing member mentioned above, It has a pair of opposing side wall portions extending downward from the base portion, The rail member is selectively fixed to the cover member at at least one of the following: a first height position between the pair of side wall portions, or a second height position between the pair of side wall portions that is at a different height from the first height position. The base portion is a sliding door retaining member that is fixed to the existing member by a screw that penetrates the existing member via the block which is fitted into the groove of the existing member.

2. The sliding door retaining member according to claim 1, wherein the rail member is fixed between the pair of side wall portions by screws that are inserted into each of the pair of side wall portions.

3. An existing component that partitions the upper part of an entrance / exit opening in a room of a house, A lower rail member is provided to partition the lower part of the above-mentioned opening, into which the lower end of the sliding door fits, A retaining member for sliding doors, It comprises a block that fits into the groove of the existing member mentioned above, The above-mentioned retaining member for sliding doors is, A cover member fixed to the existing member mentioned above, The sliding door has a groove into which the upper end fits, and a rail member that is fixed to the cover member, The above cover member is A plate-shaped base that comes into contact with the existing member mentioned above, It has a pair of opposing side wall portions extending downward from the base portion, The rail member is selectively fixed to the cover member at at least one of the following: a first height position between the pair of side wall portions, or a second height position between the pair of side wall portions that is at a different height from the first height position. The above-mentioned base is an access opening structure fixed to the existing member by a screw that penetrates the existing member via the block that is fitted into the groove of the existing member.

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