Building door and building

Abstract

To provide a building door and a building which are configured such that a door unit can be easily fixed at a predetermined position in an opening.SOLUTION: A building door includes a door unit 11 provided in an opening of a building, and a lower fixing device 12 that fixes a door lower portion 22 of the door unit 11 to the opening. The opening has a concrete foundation 4 and a cross member placed on the foundation 4. The lower fixing device 12 includes a fixing member 51 fixed to the foundation 4, and a connecting member 52 that connects the fixing member 51 and the door lower portion 22. The fixing member 51 includes a first portion 51A fixed to the foundation 4 by a driving member, a second portion 51B rising from the first portion 51A, and a third portion 51C extending from the second portion 51B along the door lower portion 22. The third portion 51C of the fixing member 51 is fixed to the door lower portion 22 via the connecting member 52.SELECTED DRAWING: Figure 4

Description

Technical Field

[0001] The present disclosure relates to a door of a building and the building.

Background Art

[0002] In a building, a technique of fixing a door frame via a fitting (for example, Patent Document 1) is known. In Patent Document 1, the door frame is disposed at a building body opening. The lower part of the door frame is fixed to the body opening via a fitting. Specifically, the fitting engages with a nut embedded in the body opening and also engages with the lower part of the door frame.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] By the way, there are dimensional errors with respect to the designed dimensions in the opening where the door unit is provided. Also, there are dimensional errors in the door unit. Due to these dimensional errors, it is difficult to dispose the door unit at a predetermined position. For this reason, the door unit is fixed after adjusting the position with respect to the opening. However, in the conventional technique, when the door unit is displaced, it is difficult to adjust the position of the door unit. For this reason, it is difficult to dispose the door unit at a predetermined position. Therefore, a door of a building and a building that can easily fix the door unit at a predetermined position are provided.

Means for Solving the Problems

[0005] (1) The door of a building that solves the above problems includes a door unit provided at an opening of the building, and a lower fixing device that fixes the lower part of the door of the door unit to the opening. The opening has a concrete base part and a horizontal member arranged on the base part. The lower fixing device includes a fixing member fixed to the base part, and a connecting member connected to the fixing member and the lower part of the door. The fixing member includes a first part fixed to the base part by a driving member, a second part rising from the first part, and a third part extending along the lower part of the door from the second part. The third part of the fixing member is fixed to the lower part of the door via the connecting member.

[0006] According to this configuration, the door unit is fixed to the base part via two members. Specifically, the door unit is fixed to the base part via the fixing member and the connecting member. Thereby, the position of the lower part of the door in the connecting member can be adjusted. Therefore, it is easy to adjust the position of the door unit at the opening. Thus, it is easy to fix the door unit at a predetermined position at the opening.

[0007] (2) In the door of the building of (1) above, a first through hole penetrating in the vertical direction is provided in the lower part of the door. The third part has a second through hole penetrating in the vertical direction and is arranged below the first through hole of the door unit. The connecting member is fixed to the lower part of the door and the third part in a state of being inserted through the first through hole and the second through hole.

[0008] According to this configuration, the connecting member is inserted through the first through hole in the lower part of the door and the second through hole in the fixing member. Therefore, the connecting member can be fastened to the lower part of the door with a nut or the like.

[0009] (3) In the door of the building according to (2) above, the connecting member has a threaded portion and a first nut that engages with the threaded portion. The lower part of the door has an engaging hole portion into which the threaded portion engages. The engaging hole portion is fixed so as to communicate with the first through hole in the lower part of the door. The connecting member is fixed to the lower part of the door by tightening the first nut with the threaded portion of the connecting member engaged with the engaging hole portion.

[0010] According to this configuration, by adjusting the insertion length of the threaded portion of the connecting member with respect to the engaging hole portion in the lower part of the door, the height position of the lower part of the door can be adjusted. And the connecting member can be fixed to the lower part of the door by tightening the first nut.

[0011] (4) In the door of the building according to any one of (1) to (3) above, the fixing member further includes a fourth portion that contacts the base portion and a fifth portion that rises from the fourth portion and is connected to the third portion. The fourth portion is provided on the side opposite to the first portion with respect to the third portion.

[0012] According to this configuration, the fixing member contacts the base portion at two locations, namely, the first portion and the fourth portion. When the fixing member is arranged on the base portion, the fixing member is stabilized, so that the working efficiency of constructing the door unit can be improved.

[0013] (5) In the door of the building according to any one of (1) to (4) above, the first portion has a third through hole through which the driving member is inserted. The third through hole of the first portion is arranged at a position away from the door unit in plan view. According to this configuration, the third through hole of the fixing member does not overlap the door unit in plan view. Therefore, when the first portion is fixed to the base portion by the driving member, the tool can be arranged directly above the third through hole of the first portion. When the driving member is driven into the base portion through the third through hole, the tool is less likely to interfere with the door unit, so that the efficiency of the driving operation of the driving member can be improved.

[0014] (6) In the door of the building according to any one of (1) to (5) above, the fixing member is embedded in the concrete. According to this configuration, since the fixing member is embedded in the concrete, the fixing member is firmly fixed. As a result, the door unit can be firmly fixed.

[0015] (7) The building that solves the problem includes the door according to any one of (1) to (6) above. According to this configuration, in the construction of the door, it is easy to fix the door unit.

Effect of the Invention

[0016] According to the door of the building and the building of the present disclosure, it is easy to fix the door unit to the opening.

Brief Description of the Drawings

[0017]

Figure 1

Figure 2

Figure 3

Figure 4

Figure 5

Figure 6

Mode for Carrying Out the Invention

[0018] Referring to FIGS. 1 to 5, the building 1 and the door 10 of the present embodiment will be described. Examples of the building 1 of the present embodiment include a detached house, an apartment house, a commercial facility, and a public facility. In the present embodiment, the building 1 is an apartment house.

[0019] Building 1 includes a building main body 2 and a door 10 provided at the entrance of the building main body 2. In this embodiment, the door 10 constitutes the front entrance door. The door 10 is an automatic door driven by a motor.

[0020] [Door] As shown in FIGS. 2 and 3, the door 10 includes a door unit 11 provided at an opening 5 of the building 1 and a lower fixing device 12. The door 10 further includes an upper fixing device 13.

[0021] The door unit 11 includes a door frame 15, a plate-shaped fixed door portion 16 fixed to the door frame 15, and two movable door portions 17 that open and close in the horizontal direction. The fixed door portion 16 is fixed to one end in a front view within the door frame 15. The two movable door portions 17 open and close a door opening 18 within the door frame 15. Hereinafter, one of the two movable door portions 17 is referred to as a first movable door portion 17A, and the other is referred to as a second movable door portion 17B. The first movable door portion 17A is moved by a first driving portion 19A. The second movable door portion 17B is moved by a second driving portion 19B. The first driving portion 19A and the second driving portion 19B each include a motor for moving the movable door portion 17.

[0022] The door frame 15 includes a door upper portion 21 that constitutes the upper part of the door frame 15, a door lower portion 22 that constitutes the lower part of the door frame 15, a first door vertical portion 23, and a second door vertical portion 24. The first door vertical portion 23 connects one end of the door upper portion 21 and one end of the door lower portion 22. The second door vertical portion 24 connects the other end of the door upper portion 21 and the other end of the door lower portion 22.

[0023] As shown in FIG. 4, the lower door portion 22 includes a fixed rail portion 30, a first rail portion 31, and a second rail portion 32. The fixed rail portion 30 is where the fixed door portion 16 is disposed. The fixed rail portion 30 is provided only at the portion where the fixed door portion 16 is disposed. The first rail portion 31 guides the first movable door portion 17A. The first rail portion 31 is provided across the lower door portion 22 from one end to the other end. The second rail portion 32 guides the second movable door portion 17B. The second rail portion 32 is provided across the lower door portion 22 from one end to the other end. The second rail portion 32 is arranged parallel to and adjacent to the first rail portion 31.

[0024] As shown in FIG. 5, the lower door portion 22 further includes a mounting member 37. The mounting member 37 is provided on the first rail portion 31 and the second rail portion 32. The mounting member 37 is attached to the first rail portion 31 and the second rail portion 32 such that a nut accommodation space S is provided between the mounting member 37 and the first rail portion 31 and the second rail portion 32. The engagement hole portion 36 described later is disposed within the nut accommodation space S and fixed to the mounting member 37.

[0025] The lower door portion 22 is provided with a first through hole 22X that penetrates in the vertical direction. One or a plurality of the first through holes 22X are provided in the bottom wall of the fixed rail portion 30. The other first through holes 22X are provided in the mounting member 37.

[0026] The lower door portion 22 is provided with an engaging portion 35 that engages with a connecting member 52 described later. Specifically, the lower door portion 22 has an engaging hole portion 36 as the engaging portion 35 into which the screw portion 52A of the connecting member 52 engages. The engaging hole portion 36 has a screw hole into which the screw portion 52A engages. The engaging hole portion 36 is fixed to the lower door portion 22 such that the screw hole of the engaging hole portion 36 communicates with the first through hole 22X of the lower door portion 22. In one example, the engaging hole portion 36 is constituted by a second nut 36A.

[0027] A plurality of engagement hole portions 36 are provided in the lower part 22 of the door. Some of the engagement hole portions 36 are provided in the fixed rail portion 30. The other engagement hole portions 36 are provided in the attachment member 37. The engagement hole portions 36 are fixed to the lower part 22 of the door by welding.

[0028] [Opening of building] The opening 5 of the building 1 is provided in the building body 2 as a portion where the door unit 11 is arranged in the building 1. The opening 5 of the building 1 is provided at the entrance or the entrance. The opening 5 of the building 1 has a concrete base portion 4 and a horizontal member 6 disposed on the base portion 4.

[0029] The base portion 4 in the opening 5 constitutes a part of the base 3 of the building 1. The base portion 4 in the opening 5 is integrally formed with the base 3 of the building 1. The upper surface of the base portion 4 in the opening 5 is located at a position lower than the upper surface of the main part of the base 3 of the building 1. The base portion 4 in the opening 5 is configured as a recess of the base 3.

[0030] The horizontal member 6 in the opening 5 constitutes a part of the building frame of the building 1. An example of the horizontal member 6 in the opening 5 is a beam or a girder. When the building 1 has a canopy and a door 10 is provided on the canopy, the horizontal member 6 in the opening 5 is a beam of the canopy framework. The horizontal member 6 is composed of H-shaped steel.

[0031] [Upper fixing device] As shown in FIG. 3, the upper fixing device 13 fixes the door upper part 21 constituting the upper part of the door unit 11 to the opening 5. The upper fixing device 13 includes an upper fixing member 41 and an upper connecting member 42.

[0032] The upper fixing member 41 is fixed to the horizontal member 6 in the opening 5. The upper fixing member 41 includes a first upper fixing portion 41A fixed to the flange 6A of the horizontal member 6 and a second upper fixing portion 41B extending downward from the end of the first upper fixing portion 41A.

[0033] The upper connecting member 42 connects the upper fixing member 41 and the upper part 21 of the door. The upper connecting member 42 includes a first upper connecting part 42A extending in the vertical direction and a second upper connecting part 42B extending horizontally from the lower end of the first upper connecting part 42A. The first upper connecting part 42A is fixed to the second upper fixing part 41B of the upper fixing member 41 by a fastening member so as to be positionally adjustable. The second upper connecting part 42B is fixed to the upper part 21 of the door by a fastening member.

[0034] [Lower fixing device] As shown in FIGS. 4 and 5, the lower fixing device 12 fixes the lower part 22 of the door of the door unit 11 to the opening 5.

[0035] The lower fixing device 12 includes a fixing member 51 fixed to the base part 4 and a connecting member 52 connected to the fixing member 51 and the lower part 22 of the door.

[0036] The fixing member 51 includes a first part 51A fixed to the base part 4 by a driving member 55, a second part 51B rising from the first part 51A, and a third part 51C extending from the second part 51B along the bottom surface of the lower part 22 of the door. The first part 51A has a third through hole 51Y through which the driving member 55 is inserted. The third part 51C has a second through hole 51X penetrating in the vertical direction. A female screw engaging with the screw part 52A of the connecting member 52 is provided in the second through hole 51X.

[0037] The fixing member 51 further includes a fourth part 51D in contact with the base part 4 and a fifth part 51E rising from the fourth part 51D and connected to the third part 51C. The fourth part 51D is provided on the side opposite to the first part 51A with respect to the third part 51C.

[0038] The fixing member 51 is arranged such that at least the third part 51C of the fixing member 51 is located below the lower part 22 of the door. Further, the fixing member 51 is arranged on the base part 4 such that the third through hole 51Y of the first part 51A is arranged at a position away from the door unit 11 in plan view.

[0039] One or more fixing members 51 are arranged such that the third part 51C of the fixing member 51 is located below the fixing rail part 30 at the lower part of the door 22. The other one or more fixing members 51 are arranged such that the third part 51C of the fixing member 51 is located below the mounting member 37 provided on the first rail part 31 and the second rail part 32.

[0040] In each of the fixing members 51, the third part 51C is arranged below the first through hole 22X of the door unit 11. The third part 51C is fixed to the lower part of the door 22 via the connecting member 52.

[0041] [Connecting member] As shown in FIGS. 4 and 5, the connecting member 52 has a screw part 52A and a first nut 52B that engages with the screw part 52A. The connecting member 52 is fixed to the lower part of the door 22 and fixed to the third part 51C in a state of being inserted through the first through hole 22X of the lower part of the door 22 and the second through hole 51X of the fixing member 51. The connecting member 52 is fixed to the lower part of the door 22 by tightening the first nut 52B in a state where the screw part 52A of the connecting member 52 engages with the engaging hole part 36.

[0042] As shown in FIG. 3, in the door 10, part or all of the lower fixing device 12 is embedded in the concrete 7. Specifically, the fixing member 51 is embedded in the concrete 7. Also, the connecting member 52 is embedded in the concrete 7. The fixing member 51 and the connecting member 52 are buried in the mortar by filling the base part 4 with mortar after fixing the door unit 11 to the opening 5.

[0043] [Fixing method for the lower part of the door] The fixing method of the lower part of the door will be described. In the first step, the fixing member 51 is arranged at a predetermined position in the base part 4 below the lower part 22 of the door. Then, the driving member 55 is driven into the base part 4 so that the driving member 55 passes through the third through hole 51Y of the first part 51A of the fixing member 51. This driving may be changed as follows. After marking the position where the first part 51A of the fixing member 51 is arranged, the driving member 55 is driven into the base part 4 at that position, and then the first part 51A of the fixing member 51 is engaged with the driving member 55. At this stage, the driving member 55 and the first part 51A are not fastened.

[0044] In the second step, the position of the fixing member 51 is adjusted so that the first through hole 22X of the lower part 22 of the door and the second through hole 51X of the fixing member 51 overlap. Then, they are inserted into the first through hole 22X of the lower part 22 of the door and the second through hole 51X of the fixing member 51. Then, the first nut 52B is brought into contact with the lower part 22 of the door. By adjusting the height positions of the first nuts 52B of each of the plurality of fixing members 51, the lower part 22 of the door unit 11 is made horizontal.

[0045] In the third step, after positioning the door unit 11, the first nuts 52B of each of the plurality of fixing members 51 are tightened in order with a wrench. Also, a third nut 56 is inserted into the driving member 55 that passes through the first through hole 22X of the first part 51A of the fixing member 51, and the third nut 56 is tightened with an impact wrench. In the above manner, the lower part 22 of the door is fixed to the base part 4.

[0046] [Operation of this Embodiment] It is conceivable to fix the door unit 11 to the base portion 4 with one reference fixing member. The reference fixing member is fixed to the base portion 4 and coupled to the door unit 11. However, in this case, if the position of the door unit 11 shifts in the opening 5, a gap is generated between the door unit 11 and the reference fixing member, making it difficult to properly couple the door unit 11 and the reference fixing member. Also, even when the base portion 4 in the opening 5 is not flat, it may become difficult to properly couple the door unit 11 and the reference fixing member. Further, when the dimensional error of the door unit 11 is large, it may become difficult to properly couple the door unit 11 and the reference fixing member. In such a case, when the door unit 11 is coupled to the reference fixing member, there is a risk that the position of the door unit 11 with respect to the opening 5 may deviate from the predetermined position originally planned.

[0047] In this regard, the door unit 11 is fixed to the base portion 4 by the lower fixing device 12. The lower fixing device 12 includes a fixing member 51 fixed to the base portion 4 and a connecting member 52 connected to the fixing member 51 and the lower door 22. The fixing member 51 includes a third portion 51C extending along the bottom surface of the lower door 22. The third portion 51C of the fixing member 51 is fixed to the lower door 22 via the connecting member 52. Thus, the door unit 11 is fixed to the base portion 4 via the fixing member 51 and the connecting member 52. The connecting member 52 connects the fixing member 51 and the door unit 11. According to the connecting member 52, even if there is a variation in the distance between the fixing member 51 and the door unit 11, the connecting member 52 can connect the fixing member 51 and the door unit 11. And the height position of the door unit 11 can be adjusted with respect to the connecting member 52. Therefore, according to the structure of the door 10 of the present embodiment, the door unit 11 can be fixed at an appropriate predetermined position with respect to the opening 5.

[0048] [Effects of the Present Embodiment] The effects of the present embodiment will be described. (1) The door 10 of building 1 is provided with a lower fixing device 12. The lower fixing device 12 includes a fixing member 51 fixed to the base portion 4, and a connecting member 52 connected to the fixing member 51 and the lower part 22 of the door. The fixing member 51 includes a first portion 51A fixed to the base portion 4 by a driving member 55, a second portion 51B rising from the first portion 51A, and a third portion 51C extending along the lower part 22 of the door from the second portion 51B. The third portion 51C of the fixing member 51 is fixed to the lower part 22 of the door via the connecting member 52.

[0049] According to this configuration, the door unit 11 is fixed to the base portion 4 via two members. Specifically, the door unit 11 is fixed to the base portion 4 via the fixing member 51 and the connecting member 52. The position of the lower part 22 of the door in the connecting member 52 can be adjusted. Therefore, it is easy to adjust the position of the door unit 11 at the opening 5. Thus, it is easy to fix the door unit 11 at a predetermined position at the opening 5.

[0050] (2) In the door 10 of building 1, a first through hole 22X penetrating in the vertical direction is provided in the lower part 22 of the door. The third portion 51C of the fixing member 51 has a second through hole 51X penetrating in the vertical direction. The third portion 51C is disposed below the first through hole 22X of the door unit 11. The connecting member 52 is fixed to the lower part 22 of the door and fixed to the third portion 51C in a state of being inserted through the first through hole 22X and the second through hole 51X. According to this configuration, the connecting member 52 is inserted through the first through hole 22X in the lower part 22 of the door and the second through hole 51X in the fixing member 51. Therefore, the connecting member 52 can be fastened to the lower part 22 of the door by the first nut 52B.

[0051] (3) In the door 10 of building 1, the lower part 22 of the door has an engaging hole portion 36 with which a screw portion 52A engages. The engaging hole portion 36 is fixed so as to communicate with the first through hole 22X of the lower part 22 of the door. Then, the connecting member 52 is fixed to the lower part 22 of the door by tightening the first nut 52B in a state where the screw portion 52A of the connecting member 52 engages with the engaging hole portion 36.

[0052] According to this configuration, the height position of the lower door part 22 can be adjusted by adjusting the insertion length of the screw part 52A of the connecting member 52 into the engagement hole part 36 in the lower door part 22. Then, the connecting member 52 can be fixed to the lower door part 22 by tightening the first nut 52B.

[0053] (4) In the door 10 of the building 1, the fixing member 51 further includes a fourth portion 51D that contacts the base portion 4, and a fifth portion 51E that rises from the fourth portion 51D and is connected to the third portion 51C. The fourth portion 51D is provided on the side opposite to the first portion 51A with respect to the third portion 51C.

[0054] According to this configuration, the fixing member 51 contacts the base portion 4 at two locations, namely the first portion 51A and the fourth portion 51D. When the fixing member 51 is placed on the base portion 4, the fixing member 51 is stabilized, so that the working efficiency of constructing the door unit 11 can be improved.

[0055] (5) In the door 10 of the building 1, the third through hole 51Y of the first portion 51A is arranged at a position away from the door unit 11 in a plan view. According to this configuration, the third through hole 51Y of the fixing member 51 does not overlap the door unit 11 in a plan view. Therefore, when fixing the first portion 51A to the base portion 4 by the driving member 55, the tool can be arranged directly above the third through hole 51Y of the first portion 51A. When driving the driving member 55 into the base portion 4 through the third through hole 51Y, the tool is less likely to interfere with the door unit 11, so that the efficiency of driving the driving member 55 can be improved. An example of the tool is an impact wrench.

[0056] (6) In the door 10 of the building 1, the fixing member 51 is embedded in the concrete 7. According to this configuration, since the fixing member 51 is embedded in the concrete 7, the fixing member 51 is firmly fixed. Thereby, the door unit 11 can be firmly fixed.

[0057] (7) The building 1 includes the door 10 having the above configuration. According to this configuration, in the construction of the door 10, it is easy to fix the door unit 11.

[0058] <Modification Example> The above embodiment is an exemplification of the forms that the building 1 and the door 10 can take, and is not intended to limit such forms. The building 1 and the door 10 can take forms different from those exemplified in the above embodiment. Examples thereof are forms in which part of the configuration of the embodiment is replaced, changed, or omitted, or forms in which a new configuration is added to the embodiment. Modification examples of the embodiment are shown below.

[0059] · Referring to FIG. 6, a modification example of the fixing member 51 will be described. In the present embodiment, the fixing member 51 has a fourth portion 51D and a fifth portion 51E in addition to the first portion 51A to the third portion 51C. On the other hand, as shown in FIG. 6, in the fixing member 51, the fourth portion 51D and the fifth portion 51E may be omitted. Since the fixing member 51 is embedded in the concrete 7 after the construction of the door unit 11, even if the fixing member 51 has a structure as shown in FIG. 6, the door unit 11 is firmly fixed to the base portion 4.

[0060] · In the embodiment, the height position of the lower door 22 is adjusted with respect to the connecting member 52, but the position of the lower door 22 may be adjusted by the following method. The connecting member 52 is fixed to the lower door 22. Thereafter, the position of the connecting member 52 is adjusted with respect to the third portion 51C of the fixing member 51. Then, the connecting member 52 is fixed to the third portion 51C with a nut.

[0061] This specification discloses the following technology. [Appendix 1] Appendix 1 is a door of a building. The door of the building includes a door unit provided at an opening of the building, and a lower fixing device for fixing the lower part of the door of the door unit to the opening. The opening has a concrete base part and a horizontal member arranged on the base part. The lower fixing device includes a fixing member fixed to the base part and a connecting member connected to the fixing member and the lower part of the door. The fixing member includes a first part fixed to the base part by a driving member, a second part rising from the first part, and a third part extending along the lower part of the door from the second part. The third part of the fixing member is fixed to the lower part of the door via the connecting member.

[0062] [Appendix 2] In the door of the building according to Appendix 1, a first through hole penetrating in the vertical direction is provided in the lower part of the door. The third part has a second through hole penetrating in the vertical direction and is arranged below the first through hole of the door unit. The connecting member is fixed to the lower part of the door and the third part in a state of being inserted through the first through hole and the second through hole.

[0063] [Appendix 3] In the door of the building according to Appendix 2, the connecting member has a threaded part and a first nut engaging with the threaded part. The lower part of the door has an engaging hole part with which the threaded part engages, and the engaging hole part is fixed so as to communicate with the first through hole of the lower part of the door. The connecting member is fixed to the lower part of the door by tightening the first nut in a state where the threaded part of the connecting member engages with the engaging hole part.

[0064] [Appendix 4] In the door of the building according to Appendix 1, the fixing member further includes a fourth part contacting the base part and a fifth part rising from the fourth part and connected to the third part. The fourth part is provided on the side opposite to the first part with respect to the third part.

[0065] [Appendix 5] In the door of the building according to Supplementary Note 1, the first part has a third through-hole through which the driving member is inserted. The third through-hole of the first part is arranged at a position away from the door unit in a plan view.

[0066] [Supplementary Note 6] In the door of the building according to Supplementary Note 1, the fixing member is embedded in the concrete.

[0067] [Supplementary Note 7] Supplementary Note 7 is a building. The building is provided with the door of the building according to any one of Supplementary Notes 1 to 6.

Explanation of Reference Signs

[0068] 1... Building, 4... Foundation part, 5... Opening, 6... Horizontal beam member, 10... Door, 11... Door unit, 12... Lower fixing device, 22... Lower part of the door, 22X... First through-hole, 36... Engaging hole part, 51... Fixing member, 51A... First part, 51B... Second part, 51C... Third part, 51D... Fourth part, 51E... Fifth part, 51X... Second through-hole, 51Y... Third through-hole, 52... Connecting member, 52A... Screw part, 52B... First nut, 55... Driving member.

Claims

1. A door unit provided at an opening of a building, and a lower fixing device for fixing a lower part of the door of the door unit to the opening, wherein the opening has a concrete base part and a horizontal member disposed on the base part, the lower fixing device includes a fixing member fixed to the base part and a connecting member connected to the fixing member and the lower part of the door, the fixing member includes a first part fixed to the base part by a driving member, a second part rising from the first part, and a third part extending from the second part along the lower part of the door, the third part of the fixing member is fixed to the lower part of the door via the connecting member, A door of a building.

2. A first through hole penetrating in the vertical direction is provided in the lower part of the door, the third part has a second through hole penetrating in the vertical direction and is disposed below the first through hole of the door unit, the connecting member is fixed to the lower part of the door and the third part in a state of being inserted through the first through hole and the second through hole, The door of a building according to Claim 1.

3. The connecting member has a threaded portion and a first nut engaging with the threaded portion, the lower part of the door has an engaging hole portion with which the threaded portion engages, and the engaging hole portion is fixed so as to communicate with the first through hole of the lower part of the door, the connecting member is fixed to the lower part of the door by tightening the first nut in a state where the threaded portion of the connecting member engages with the engaging hole portion, The door of a building according to Claim 2.

4. The fixing member further includes a fourth part contacting the base part and a fifth part rising from the fourth part and connected to the third part, the fourth part is provided on a side opposite to the first part with respect to the third part, The door of a building according to Claim 1.

5. The first part has a third through hole through which a driving member is inserted, the third through hole of the first part is disposed away from the door unit in a plan view, The door of a building according to Claim 1.

6. The fixing member is embedded in concrete, The door of a building according to Claim 1.

7. A building including the door of a building according to any one of Claims 1 to 6.

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