JP2010270548A - Door frame - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door frame capable of improving the property of assembling a jamb and a sill together. <P>SOLUTION: In a structure of this door frame 1, a lower end 25 of the jamb 20, and a longitudinal end of the sill 10 are provided with connecting portions 27 and 14 which restrain movement along the longitudinal direction of the sill and which are fitted to each other along a vertical direction, respectively; the connecting portions are fitted together; an inside surface 25b of the lower end of the jamb and an end surface 10b of the sill butt against each other; and the jamb and the sill are connected together. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a door frame provided with a vertical frame and a lower frame disposed in an opening of a building or the like.

2. Description of the Related Art Conventionally, door frames that support door bodies such as sliding doors, folding doors, and hinged doors for opening and closing openings provided in doorways and partition walls of buildings are known.
Such a door frame is provided with a vertical frame, a lower frame (sill), etc., and generally, both end surfaces in the longitudinal direction of the lower frame are abutted against both inner side surfaces of the lower ends of the pair of vertical frames, It was set as the construction aspect which fixes after fixing a fastener, such as a wood screw, from both the outer side surfaces of the lower end part of a vertical frame, connecting a vertical frame and a lower frame, and fixing to an opening part.
In such a construction mode, it is necessary to fix the vertical frame and the lower frame to the opening after assembling, and it is impossible to assemble the lower frame after fixing the vertical frame to the opening. Improvement of workability during construction has been desired.
In addition, after the construction, if it is necessary to remove the lower frame for maintenance or replacement of the lower frame, the entire vertical frame and lower frame are removed from the opening, and then the vertical frame and lower frame are removed. Therefore, improvement of workability was desired.

  In the following Patent Document 1, a vertical frame connecting plate housed in a door frame groove of a vertical frame is fixed to an end face on the vertical frame side of the sill, and a screw tool for connecting the vertical frame connecting plate and the vertical frame is provided. There has been proposed a sliding door frame having a structure in which a vertical frame connecting plate is penetrated from inside a sliding door groove and screwed into a nut member embedded in the vertical frame to connect the sill and the vertical frame. According to this, it is described that by removing the screw tool, it is possible to easily remove only the sill from the sliding door frame without removing the vertical frame from the building opening.

JP 2007-92340 A (see FIG. 1)

  However, in the sliding door frame described in Patent Document 1, it is necessary to connect the lower frame to the vertical frame and to remove the vertical frame from the vertical frame by tightening and removing the screw tool. Improvement was desired. Moreover, since the screw head is located in the sliding door groove, the screw tool is inconspicuous, but has a problem that workability at the time of tightening is poor.

  This invention is made | formed in view of the said situation, and it aims at providing the door frame which can improve the assembly | attachment property of a vertical frame and a lower frame.

  In order to achieve the above object, the door frame according to the present invention restrains movement along the longitudinal direction of the lower frame at the lower end portion of the vertical frame and the longitudinal end portion of the lower frame, and in the vertical direction. A connecting portion that fits together along each other, the connecting portions are fitted, the inner surface of the lower end of the vertical frame and the end surface of the lower frame are abutted, and the vertical frame and the lower frame are connected It is said that it is said.

In the door frame according to the present invention, a notch step portion for receiving an end portion of a flooring is formed at a lower portion of the side surface in the width direction of the lower frame, and the notch step portion in the lower frame is formed as the vertical frame. The width of the narrowed portion, the thickness, and the width in the prospective direction are approximately the same size, the connecting block having the connecting portion, the width in the prospective direction is larger than the connecting block, It is good also as a thing provided with the vertical frame main body fixed to a lower end part.
In the door frame provided with the connection block, the vertical frame main body is provided with a door scraping groove along the vertical direction, and on the upper surface of the connection block, the engagement protrusion is engaged with the door scraping groove. May be provided.

  In any one of the door frames according to the present invention, the connecting portion of the vertical frame has a structure including a guide connecting piece that extends toward the lower frame and has a locking portion. A connecting portion of the lower frame is provided on a lower surface of the end portion, and includes a guide concave portion that accommodates the guide connecting piece, and a locked portion that is provided in the guide concave portion and is locked to the locking portion. It is good also as a structure.

The door frame according to the present invention is connected to the lower end portion of the vertical frame and the longitudinal end portion of the lower frame, restraining movement along the longitudinal direction of the lower frame, and fitting to each other along the vertical direction. Since each part is provided, the vertical frame and the lower frame can be easily connected by fitting the connecting parts of the vertical frame and the lower frame along the vertical direction. Workability can be improved. Further, even when the lower frame needs to be removed, the lower frame can be easily removed by lifting the lower frame in the direction opposite to the fitting direction of the connecting portion, that is, upward.
Moreover, since the connection part of the said vertical frame and the connection part of the said lower frame are made into the structure which restrains the movement along the longitudinal direction of this lower frame, the inner surface of the lower end part of the faced vertical frame and the lower frame It is possible to prevent a gap from occurring between the end surface.

In the door frame according to the present invention, a notch step portion for receiving an end portion of a flooring is formed at a lower portion of the side surface in the width direction of the lower frame, and the notch step portion in the lower frame is formed on the vertical frame. The width of the narrowed portion, the thickness, and the width in the prospective direction are substantially the same size, the connecting block having the connecting portion, the width in the prospective direction is larger than the connecting block, and the connecting block has a lower end. If a vertical frame main body fixed to the part is provided, the following effects can be obtained.
Conventionally, in a manufacturing factory or a construction site, it is common to further form a notch step portion for receiving the end portion of the flooring material after cutting the lower end portion of the vertical frame in accordance with the height of the opening. However, according to the present invention configured as described above, it is not necessary to form such a notch step portion, the number of manufacturing steps can be reduced, and the workability at the construction site can be improved. That is, by fixing the lower part of the lower frame in which the notch step portion is formed and the connecting block whose thickness and the width in the prospective direction are substantially the same size to the lower end part of the vertical frame main body, Thus, a step portion for receiving the end portion of the flooring is formed, and it is not necessary to form a notch step portion by cutting or the like in advance or at a construction site. In addition, by adjusting the length of the vertical frame main body and fixing the connecting block, it can be easily applied to openings having different heights, and the door frame is highly versatile while being easy to install.

  In the door frame provided with the connection block, the vertical frame body is provided with a door-scraping groove along the vertical direction, and an engagement protrusion that engages with the door-scraping groove on the upper surface of the connection block. If provided, the engagement protrusion functions as positioning when the connecting block is fixed to the vertical frame body, so that the assembling property can be improved.

  In any one of the door frames according to the present invention, the connecting portion of the vertical frame has a structure including a guide connecting piece that extends toward the lower frame and has a locking portion. A frame connecting portion is provided on the lower surface of the end portion, and includes a guide recess for receiving the guide connecting piece, and a locked portion provided in the guide recess and locked to the locking portion. With the structure, the guide connecting piece of the vertical frame is accommodated and connected to the guide recess of the lower frame, and the locked portion of the lower frame is locked to the locking portion of the vertical frame so that the vertical frame and the lower frame are Since the frame is connected, it is possible to more effectively prevent the lower frame from being displaced.

(A), (b) shows typically one Embodiment of the door frame which concerns on this invention, (a) shows V1 part in Fig.2 (a), X- in FIG.2 (b). FIG. 2B is a schematic enlarged vertical cross-sectional view taken along the X-ray, and FIG. 2B is a schematic enlarged vertical cross-sectional view taken along the line Y1-Y1 in FIG. (A), (b) shows an example of the state in which the same door frame was constructed, (a) is a schematic front view, and (b) is a schematic enlarged view taken along the line ZZ in (a). It is a cross-sectional view. It is a schematic exploded perspective view of the same door frame. (A) is a partially broken schematic exploded perspective view showing the V2 portion in FIG. 3 in an enlarged manner, and (b) is a partially broken schematic exploded perspective view showing the V3 portion in FIG. 3 in an enlarged view from the back side. It is. (A), (b) both show an example of the assembly procedure of the same frame, (a) is a figure corresponding to FIG. 1 (a), (b) is FIG. It is the schematic side view seen from Y2 in). (A), (b) shows the same frame, (a) is a schematic enlarged longitudinal sectional view taken along line Y3-Y3 in FIG. 2 (b), taken along line V4 in FIG. 2 (a). (B) is a figure which shows the V4 part in Fig.2 (a), and was made to respond | correspond to FIG.5 (b). (A), (b) shows typically other embodiment of the door frame which concerns on this invention, (a) is the figure corresponding to FIG.2 (b), (b) is a figure. It is the figure corresponding to 5 (b). It is a schematic exploded perspective view of the same door frame.

Embodiments of the present invention will be described below with reference to the drawings.
1-6 is explanatory drawing for demonstrating the door frame which concerns on 1st Embodiment.
A door frame (sliding door frame) 1 according to the present embodiment is attached to an opening 4 opened on an inner wall 5 of a building such as a residence, as shown in FIG. The sliding door frame 1 is slidably disposed with a one-way sliding door (single sliding door) 2 made of a single sheet for closing or opening the opening 4.
As shown in FIGS. 2 and 3, the sliding door frame 1 includes a duck 3 as an upper frame arranged on the ceiling side and a sill 10 as a lower frame arranged on the floor side in the opening 4. The pair of vertical frames 20 and 30 disposed on the left and right sides of the duck 3 and the sill 10 and the neutral stand 8 disposed between the vertical frames 20 and 30 are provided.

As shown in FIG. 2A and FIG. 3, the Kamoi 3 has a structure disposed between upper ends of a pair of vertical frames 20 and 30 described later, and an upper end of the sliding door 2 is provided on the lower surface thereof. And has a guide groove along the longitudinal direction for guiding the sliding movement of the sliding door 2.
In this embodiment, the head 3 is made to correspond to the single sliding door 2, the door end side is made to be a wide part corresponding to the wall thickness of the inner wall 5, and the door bottom side is made to correspond to the wall thickness of the retaining wall 6. A notch 3a with which the upper end of the neutral 8 is engaged is formed at a substantially central portion in the longitudinal direction that divides the wide portion and the narrow portion.
Further, the Kamoi 3 has an end surface in the longitudinal direction abutted against the inner surface of the upper end portion of the pair of vertical frames 20 and 30, and screwed in a fixing stopper such as a wood screw from the outer surface of the upper end portion of the vertical frames 20 and 30. Are connected to each other and fixed to the ceiling side base material (horizontal cross, timber, etc.) of the opening 4.

As shown in FIG. 2 (b), the neutral stand 8 has a structure disposed at the end of the retaining wall 6 provided continuously to the inner wall 5, and as shown in FIG. The upper end portion and the lower end portion are engaged with the cutout portions 3a and 19 formed respectively, and fixed to the ceiling side base material or the duck 3 and the floor base 7a of the opening 4 or the like. A gap shielding member (mohair member) projecting toward the single sliding door 2 and slidingly contacting one side surface of the single sliding door 2 is attached to the neutral stand 8 along the vertical direction.
In FIG. 3, the neutral 8 is not shown. Further, the column material, the trunk edge, the wall material, and the wall surface material constituting the inner wall 5 and the retaining wall 6 are not shown.

As shown in FIG. 2A and FIG. 3, the sill 10 has a structure disposed between lower ends of a pair of vertical frames 20 and 30 described later. A wide portion corresponding to the wall thickness of the inner wall 5 is formed, and a door bottom side is formed as a narrow portion, and a lower end portion of the neutral stand 8 is provided at a substantially central portion in the longitudinal direction separating the wide portion and the narrow portion. A notch 19 that engages is formed.
As shown in FIGS. 1 and 3, a door wheel 2 a (see FIG. 1A) provided on the single sliding door 2 is engaged with the upper surface 10 a of the sill 10 to guide its rolling. A sliding door groove 11 into which the rail member 12 is fitted is formed over the entire length.
Further, as shown in FIGS. 1 and 6, below the sliding door groove 11 and on the lower surface of the sill 10 are guide recesses for accommodating guide connecting pieces 26 and 36 of the vertical frames 20 and 30 described later. A groove 13 is formed over the entire length. Locking holes 14 that are formed along the thickness direction of the sill 10 and open downward are formed in the vicinity of both ends of the guide groove 13 in the longitudinal direction. These guide concave grooves 13 and locking holes 14 constitute connecting portions provided on the lower surfaces of both ends of the sill 10.

Further, as shown in FIGS. 1 (b), 3 and 6 (a), a floor panel or the like is provided at the lower portion of one side surface in the width direction of the sill 10 (the side surface on which the notch 19 is not formed). A notch step portion 15 for receiving the end portion of the floor material 7b is formed over the entire length of the sill 10. In addition, a similar notch step portion 15 is formed in the lower portion of the other side surface of the wide portion over the entire lengthwise direction of the wide portion. On the other hand, as shown in FIG. 6 (a), a notch step portion is not formed on the other side surface of the narrow portion, as shown in FIG. 6A. However, a similar notch step portion is formed. It may be.
That is, as shown in FIG. 1 (b), notch step portions 15 and 15 are formed on both side surfaces of the wide portion, respectively, and projecting piece portions 16 projecting in the width direction at the upper portion thereof. , 16 are formed, and these projecting piece portions 16, 16 function as covering members for the end surface of the flooring 7b. On the other hand, as shown in FIG. 6 (a), a cutout step 15 is formed on one side of the narrow portion, and a protruding piece 16 protruding toward one side in the width direction is formed at an upper portion thereof. The projecting piece 16 functions as a covering member for the end surface of the flooring 7b.
In the present embodiment, the widened lower portion 17 (see FIG. 1B) and the narrow notched step portion are formed in the narrowed portion where the wide notched step portion is formed. The narrowed portion will be described as a narrow sill lower portion 18 (see FIG. 6A).

As shown in FIGS. 3 and 4, the pair of vertical frames 20 and 30 are fixed to the vertical frame main bodies 21 and 31 and the lower ends of the vertical frame main bodies 21 and 31, respectively. And connecting blocks 25 and 35 having connecting portions which will be described later.
On the inner side surfaces 21b and 31b facing the vertical frame main bodies 21 and 31, there are door drilling grooves 22 and 32 for accommodating the door end side end and the door bottom side end of the single sliding door 2, respectively. They are formed along the vertical direction and over the entire longitudinal direction. In the example shown in FIG. 2 (b), these door punching grooves 22 and 32 are shaped to expand toward the inward side (the other opposing vertical frame side). It does not have to be such a shape.
In addition, engagement holes 23 and 33 into which engagement protrusions 29 and 39 provided on the upper surfaces 25a and 35a of the connection blocks 25 and 35 are fitted are formed in the lower end surfaces 21a and 31a of the vertical frame bodies 21 and 31, respectively. Each is provided.

As shown in FIG. 4, on the upper surfaces 25a and 35a of the connecting blocks 25 and 35 fixed to the lower ends of the vertical frame bodies 21 and 31, the door punching grooves 22 of the vertical frame bodies 21 and 31 are provided. Engaging protrusions 28 and 38 (see also FIG. 5B and FIG. 6B), and engaging protrusions 29 and 39 engaging the engaging holes 23 and 33, respectively. Are provided so as to protrude upward.
Each of the engaging protrusions 28 and 38 has a shape that matches the shape of the door scraping grooves 22 and 32 of each of the vertical frame main bodies 21 and 31 described above, and has an outer surface (on each side of the vertical frame main bodies 20 and 30). Surface) is in close contact with or in contact with the groove side wall surface and the groove bottom surface of each door scraping groove 22, 32, and the inner surface (the surface on the opposite side, the surface on the side of the sill 10) is connected to the connecting block 25, The inner surfaces 25a and 35a of the 35 are coupled to be flush with each other.

  In addition, the upper surfaces 28a, 38a of the engaging projections 28, 38 are substantially the same as the upper surface 10a of the sill 10, as shown in FIG. It forms so that it may become one shape (refer FIG. 6 for the door bottom side). In this way, by making the upper surface 10a of the sill 10 and the upper surfaces 28a, 38a of the engaging protrusions 28, 38 engaged and housed in the door-skin grooves 22, 32, substantially flush with each other, These engagement protrusions 28 and 38 function as members that fill the gaps between the both end faces 10b of the sill 10 and the door-scraping grooves 22 and 32. Therefore, no dust or dust accumulates, and no step is formed between the upper surface 10a of the sill 10 and the door scraping grooves 22 and 32, so that the appearance is good.

As shown in FIG. 4, guide connection pieces 26 and 36 extending toward the sill 10 side are provided at the lower ends of the inner side surfaces 25 b and 35 b of the connection blocks 25 and 35, respectively. The guide connecting pieces 26 and 36 have a thickness and a width in a prospective direction according to the guide concave groove 13 provided on the lower surface of the sill 10 as shown in FIGS. 1B and 6A. In addition, it is configured to be accommodated so as to fit in the guide groove 13.
The guide connecting pieces 26 and 36 are provided with locking projections 27 and 37 protruding upward. These locking projections 27 and 37 are fitted into locking holes 14 and 14 provided in the vicinity of both ends of the guide groove 13 of the sill 10 described above. The guide connecting pieces 26 and 36 and the locking projections 27 and 37 constitute connecting portions provided at the lower ends of the vertical frames 20 and 30, respectively, and guide grooves provided in the above-described sill 10. 13 and the locking holes 14 and 14 are fitted in the vertical direction so that the vertical frames 20 and 30 are connected to the sill 10 and restrain the movement of the sill 10 along the longitudinal direction and the prospective direction. To do.

  The vertical frame bodies 21 and 31 and the connection blocks 25 and 35 are engaged with the upper surfaces 25a and 35a of the connection blocks 25 and 35, as shown in FIGS. The protrusions 28 and 38 are engaged with the door punching grooves 22 and 32 of the vertical frame bodies 21 and 31, and engaging protrusions 29 and 39 provided on the upper surfaces 25 a and 35 a of the connection blocks 25 and 35 are provided. The connection is made by fitting into engagement holes 23 and 33 provided on the lower surfaces 21a and 31a of the connection main bodies 21 and 31. Thus, in the connected state, the inner side surfaces 25b and 35b of the respective connecting blocks 25 and 35 and the inner side surfaces 21b and 31b of the respective vertical frame bodies 21 and 31 are connected in a substantially flush manner. (See FIG. 1A).

In the present embodiment, as described above, the engagement protrusions 28 and 38 that engage with the door-scraping grooves 22 and 32 are provided on the upper surfaces 25a and 35a of the connection blocks 25 and 35. The protrusions 28 and 38 function as positioning when the connection blocks 25 and 35 are fixed to the vertical frame bodies 21 and 31, respectively, and the assembling property can be improved.
In addition, instead of or in addition to the mode in which the engagement protrusions of each connection block and the engagement holes of each vertical frame body are fitted and connected, the upper surface of each connection block and the lower end surface of each vertical frame body An adhesive agent or the like may be interposed between them, and these may be bonded and connected.

Of the pair of vertical frames 20 and 30, the width W3 in the prospective direction of the vertical frame body 21 of the vertical frame 20 on the door-end side is connected to the lower end portion thereof as shown in FIG. 5 (b). The expected width W1 of the block 25 is larger than the expected direction width W1 of the connecting block 25, and the expected end directions of the vertical frame body 21 protrude from the expected direction end portions of the vertical frame body 21, respectively. .
Further, the width W1 in the expected direction of the connecting block 25 is substantially the same as the width W2 in the expected direction of the wide sill lower portion 17 in the above-described sill 10, and further, the thickness T1 of the connecting block 25, The thickness T2 of the wide sill lower portion 17 is substantially the same.
That is, on both sides in the prospective direction of the lower end portion of the vertical frame 20 on the door end side, the connection block 25 is fixed to the lower end portion of the vertical frame main body 21, thereby forming the lower side of the wide portion of the sill 10. Receiving step portions 24 and 24 similar to the notched step portions 15 and 15 are formed.
In the present embodiment, the width W3 in the prospective direction of the vertical frame body 21 is substantially the same as the width in the prospective direction at the upper part of the wide portion of the sill 10, as shown in FIG. ing.

Of the pair of vertical frames 20 and 30, the width W6 in the prospective direction of the vertical frame body 31 of the vertical frame 30 on the door bottom side is connected to the lower end portion thereof as shown in FIG. 6 (b). The expected width W4 of the block 35 is larger than the expected direction end of the connection block 35, and the expected end of the vertical frame body 31 protrudes from the expected direction of the vertical frame body 31. Further, the vertical frame 30 is substantially aligned along the vertical direction so that the other end portion of the connection block 35 in the expected direction and the other end portion of the vertical frame body 31 in the expected direction are along the above-described retaining wall 6. I'm doing it.
The width W4 in the prospective direction of the connecting block 35 is substantially the same width as the width W5 in the prospective direction of the narrow sill lower portion 18 in the sill 10 described above, and the vertical frame 20 on the door-end side. Similarly, the thickness T1 of the connecting block 35 and the thickness T2 of the narrow sill lower portion 18 are substantially the same.
That is, one side of the lower portion of the narrow portion of the sill 10 is fixed to the lower end portion of the vertical frame body 31 on one side in the prospective direction of the lower end portion of the vertical frame 30 on the door bottom side. A receiving step portion 34 similar to the notch step portion 15 formed in the above is formed.
Moreover, in this embodiment, the width W6 of the vertical direction of the vertical frame main body 31 is substantially the same width as the width of the vertical direction of the upper part of the narrow part in the sill 10, as shown in FIG. Has been.

  The notch steps 15 and 15 formed in the respective portions of the sill 10 and the receiving steps 24, 24 and 34 formed in the vertical frames 20 and 30 are shown in FIGS. 5B and 6B. As shown in FIG. 3, in this embodiment, it is formed corresponding to the thickness of the floor material 7b disposed on the floor base 7a. In other words, in the present embodiment, the thickness T1 of the connecting blocks 25 and 35 and the thickness T2 of the wide sill lower portion 17 and the narrow sill lower portion 18 are substantially the same as the thickness of the flooring 7b.

As described above, the thicknesses T1 and T2 may be smaller or larger than the flooring material, instead of the thickness T1 and T2 being substantially the same as the thickness of the flooring material 7b. In other words, it is also possible to adopt a mode in which the end portions of the floor material having a thickness smaller or larger than these thicknesses T1 and T2 are received in the notch step portions 15 and 15 and the reception step portions 24, 24 and 34 described above. . When it is set as the aspect which receives the edge part of the flooring material thinner than these thickness T1, T2, for example, the lower surface of the protrusion 16 part of the above-mentioned sill 10, and the receiving step of each vertical frame 10,20 A spacer member may be disposed on the lower end surfaces of the vertical frame bodies 21 and 31 at the portions 24, 24 and 34. On the other hand, when it is set as the aspect which receives the edge part of the flooring material larger than these thickness T1 and T2, between the lower surface of these sill 10 and each connection block 25 and 35, and the floor foundation 7a, A spacer member may be provided.
Moreover, you may make it shape | mold each door frame member which comprises the sliding door frame 1 which concerns on this embodiment from a wood type material, a metal type material, a synthetic resin type material, etc., for example.

Next, an example of the construction procedure of the sliding door frame 1 according to the present embodiment configured as described above, and an example of a connection structure between the vertical frames 20 and 30 and the sill 10 will be described.
First, the connection blocks 25 and 35 are fixed to the lower ends of the vertical frame bodies 21 and 31 as described above (see FIGS. 3 and 4). It should be noted that the head 3 and the sill 10 and the vertical frame bodies 21 and 31 and the neutral stand 8 of each vertical frame 20 and 30 are adjusted in length so as to correspond to the opening height and width of the opening 4. May be.
Next, both end surfaces of the Kamoi 3 are butted against the inner side surfaces of the upper end portions of the vertical frame main bodies 21 and 31, and these are connected and installed in the opening 4 as described above (see FIGS. 2A and 3). .

  Next, as shown in FIGS. 5 and 6, the above-described sill 10 is installed so as to be fitted from above into a recess formed by the floor material 7 b and the floor base 7 a. At this time, the guide groove 13 of the sill 10 and the guide connection pieces 26 and 36 of the connection blocks 25 and 35 are fitted along the vertical direction, and each of the guide grooves 13 formed in the vicinity of both ends of the guide groove 13. The locking projections 27 and 37 provided on the guide connecting pieces 26 and 36 are fitted and locked in the locking holes 14 and 14, and the sill 10 is connected to the vertical frames 20 and 30. Thus, in the state where the sill 10 and the pair of vertical frames 20 and 30 are connected, as shown in FIG. The inner side surfaces 25b and 35b of the connection blocks 25 and 35 and the both end surfaces 10b and 10b of the sill 10 are abutted and connected to each other. In addition, after connecting the Kamoi 3 and each vertical frame 20 and 30 and putting it in the opening part 4, it replaces with the aspect which connects the threshold 10, and the Kamoi 3 and the threshold 10 are made into a pair of vertical frames 20 and 30, respectively. You may make it fit in the opening part 4 after connecting with an upper-lower-end part.

As described above, after the duck 3 and the sill 10 and the pair of vertical frames 20 and 30 are accommodated in the opening 4, these are fixed fasteners such as wood screws and nails to the base material of each part of the opening 4. Fixed by.
In addition, about the sill 10, since the load of the single sliding door 2 is applied and the movement along a longitudinal direction and a prospective direction is restrained by the connection by each above-mentioned connection part, it is fixed with respect to the floor base 7a by the fixed stopper. It may not be fixed. Further, when the sill 10 is fixed to the floor base 7a, the rail member 12 described above may be removed and a fixing stopper may be screwed (or driven) into the sliding door groove 11.

Next, the upper end and the lower end of the neutral stand 8 are engaged with the notches 3a and 19 of the duck 3 and the sill 10, as described above, and the neutral stand 8 is used as the ceiling-side base material or the duck 3 and the floor base. Fix to 7a. After constructing the sliding door frame 1 in this way, the single sliding door 2 may be built.
On the other hand, after the construction is performed as described above, when the sill 10 is removed for maintenance or replacement, the one-way sliding door 2 is detached from the sliding door frame 1 and the sill 10 is attached to the floor base 7a by the fixing stopper. When fixed, the sill 10 can be easily removed by removing the fixed stopper from the sill 10 and lifting the sill 10 upward.
In addition, the said construction procedure is an example and you may make it construct in another procedure so that the function of each member may not be impaired.
Moreover, it replaces with the aspect which constructs the flooring 7b previously before construction of the sliding door frame 1, and after constructing the sliding door frame 1, the notch steps 15 and 15 of the sill 10 and the receiving step portions of the vertical frames 20 and 30 You may make it construct so that the edge part of the flooring 7b may be inserted in 24,24,34.

As described above, according to the sliding door frame 1 according to the present embodiment, the connecting portions 26 and 27 of the vertical frame 20 on the door end side, the connecting portions 36 and 37 of the vertical frame 30 on the door bottom side, and both ends of the sill 10. The vertical frames 20 and 30 and the sill 10 can be easily connected by fitting the connecting parts 13 and 14 provided in the part along the vertical direction, and workability at the time of assembly is improved. Can be improved.
The connecting portions 26 and 27 of the vertical frame 20 on the door end side, the connecting portions 36 and 37 of the vertical frame 30 on the door bottom side, and the connecting portions 13 and 14 provided at both ends of the sill 10 are In the embodiment, since the movement along the longitudinal direction and the prospective direction of the sill 10 is constrained, the inner surfaces 25b and 35b of the lower end portions of the vertical frames 20 and 30 and the both end surfaces 10b and 10b of the sill 10 are matched. It is possible to prevent a gap from being generated between the two and the positional deviation of the sill 10 with certainty.

Furthermore, in the present embodiment, each of the vertical frames 20 and 30 has a structure including the vertical frame bodies 21 and 31 and the connection blocks 25 and 35. Therefore, the connection blocks 25 and 35 are connected to the vertical frame bodies. By adhering to the lower ends of 21 and 31, the vertical frame bodies 21 and 31 and the connecting blocks 25 and 35 form receiving steps 24, 24 and 34 for receiving the ends of the flooring 7b. Therefore, it is not necessary to form a notch step portion in the vertical frame by cutting in advance or at the construction site, the manufacturing man-hour can be reduced, and the workability at the construction site can be improved.
In addition, by adjusting the length of the vertical frame bodies 21 and 31 and fixing the connecting blocks 25 and 35 to each other, it is possible to easily construct the openings having different heights, and the construction is easy but versatile. High sliding door frame.

Next, another embodiment according to the present invention will be described with reference to the drawings.
FIG.7 and FIG.8 is explanatory drawing for demonstrating the door frame which concerns on 2nd Embodiment.
Note that differences from the first embodiment will be mainly described, and the same components are denoted by the same reference numerals, and description thereof will be omitted or simplified.
As shown in FIG. 7A, the door frame 1A according to the present embodiment is slidable with two sliding sliding doors (sliding doors) 2 and 2 for closing or opening the opening 4. The sliding door frame 1A is supported.

As shown in FIG. 7A and FIG. 8, this sliding door frame 1A does not have a neutral stand, and, in the opening 4, a mower 3A as an upper frame disposed on the ceiling side and on the floor side. A sill 10A serving as a lower frame is provided, and a pair of vertical frames 20 and 20 are provided on the left and right sides of the moor 3A and the sill 10A.
As shown in FIG. 8, the Kamoi 3A has two guide grooves along the longitudinal direction on the lower surface thereof corresponding to the two sliding doors 2 and 2, in the first embodiment. Unlike the Kamoi 3 described above, the width is the same over the entire length.

Similarly to the above-described Kamoi 3A, the threshold 10A corresponds to the two sliding doors 2 and 2, and the upper surface 10a has two sliding door grooves 11 and 11 into which the rail members 12 and 12 are respectively fitted. It is formed over the entire longitudinal direction. Moreover, unlike the threshold 10 demonstrated in the said 1st Embodiment, it is set as the same width over the whole longitudinal direction.
As shown in FIG. 7B, two guide grooves 13, 13 similar to those in the first embodiment are provided below the sliding door grooves 11, 11 and on the lower surface of the sill 10 </ b> A in the longitudinal direction. It is formed throughout.
Lock holes 14 and 14 similar to the above are formed in the vicinity of the ends of the two guide grooves 13 and 13 on the side of the door-skin grooves 22 and 22 (see FIG. 7A). That is, in the said 1st Embodiment, it is set as the aspect which each formed the locking holes 14 and 14 in the both-ends vicinity of the one guide ditch | groove 13, However, In this embodiment, it is the length of one guide ditch | groove 13 The locking hole 14 is provided in the vicinity of one end in the direction, and the locking hole 14 is provided in the vicinity of the other end in the longitudinal direction of the other guide groove 13.

Moreover, the notch step parts 15 and 15 similar to the above are formed in the longitudinal direction on both sides of the lower part of the sill 10A.
That is, the sill 10A has been described in the first embodiment except for the configuration in which the rail member 12, the sliding door groove 11, and the two guide grooves 13 each having the locking hole 14 are provided. The configuration is substantially the same as the wide portion of the threshold 10.
Further, the sill 10 </ b> A is configured to be able to connect both end portions to any of the vertical frames 20, 20 by being rotated 180 degrees in a plan view.

The pair of vertical frames 20 and 20 has the same configuration as that of the vertical frame 20 on the door end side described in the first embodiment, and the vertical frame main bodies 21 and 21 and lower ends of the vertical frame main bodies 21 and 21. And connecting blocks 25 and 25 fixed to the portion.
In addition, about each connection block 25 and 25, the lower part 17 and upper part of 10 A of thresholds, and the dimension (thickness or width dimension of a prospective direction) of each vertical frame main body 21 and 21, it is the same as that of the said 1st Embodiment.
Further, the construction procedure and the connection structure of the sliding door frame 1A are substantially the same as those in the first embodiment except for the neutral stand.
The sliding door frame 1A according to the present embodiment configured as described above also has the same effects as those of the first embodiment.

In each of the above embodiments, the guide connecting piece extended from the connecting block toward the lower frame side is provided with a locking projection as a locking portion, and the guide concave groove provided on the lower surface of the sill (lower frame) is provided. Although the aspect which provided the latching hole as a to-be-latched part is illustrated, these latching protrusions and the latching hole are provided in the reverse side, and it constitutes a latching part and a to-be-latched part Alternatively, the locking portion and the locked portion may be configured by a plurality of locking protrusions and a plurality of locking holes.
Also, instead of these locking projections and locking holes, one is provided with a locking protrusion along the prospective direction, and the other is provided with a locking groove for receiving the locking protrusion. You may make it comprise a latching | locking part and a to-be-latched part. Or it is good also as an aspect which provides both these latching | locking parts and a to-be-latched part in each member corresponding to each.
Furthermore, it is good also as an aspect which provides the latching nail | claw part which this latching claw elastically locks in each to-be-latched part, while providing a latching claw in each above-mentioned latching part.

Alternatively, in place of the above-described form of the locking portion and the locked portion, the shape of the connecting piece extended from the connecting block toward the lower frame side and the concave portion on the lower surface of the lower frame may be different. You may make it comprise the connection part which has the shape of a joint structure, and has a latching | locking part and a to-be-latched part, respectively. Even in the case of such a dovetail structure, in the male connection part, both side parts that expand in the protruding direction function as locking parts, while in the female connection part, the male side Both side portions that taper toward the connecting portion function as locked portions, the connecting portion of the vertical frame and the connecting portion of the lower frame can be fitted along the vertical direction, and the longitudinal direction of the lower frame And movement along the prospective direction can be restricted.
Moreover, in each said embodiment, although the connection part of a vertical frame and the connection part of a lower frame are made into the structure which restrains the movement along the longitudinal direction and prospective direction of a lower frame, the structure which restrains only the movement along a longitudinal direction It is good. For example, you may make it provide the latching protrusion along a prospective direction, and the latching ditch | groove in which this latching protrusion is inserted over the whole prospective direction. Even in such a mode, it is possible to restrict movement along the longitudinal direction of the lower frame, and if both sides of the lower frame in the expected direction are regulated by wall members, flooring, etc., the expected direction Misalignment to the position does not occur so much.

Furthermore, in each of the above-described embodiments, the example in which the engagement protrusion that engages with the door-scraping groove of the vertical frame body is provided on the upper surface of the connection block has been described, but the engagement protrusion may not be provided. Good. In this case, an engaging protrusion that protrudes outward and engages with the door-slip groove is provided on the end face in the longitudinal direction of the lower frame, and the engagement as described above is provided on the lower surface of the engaging protrusion. While providing a stop part or a to-be-latched part, you may make it provide a to-be-latched part or a latching | locking part in the upper surface of the site | part corresponded to the door-scraping groove | channel of a connection block. In addition, what is necessary is just to make it not provide such an engagement protrusion, when the door frame groove is not formed in the vertical frame main body.
Furthermore, in each of the above embodiments, the guide groove is provided over the entire longitudinal direction of the lower frame, but the guide recess corresponding to the width of the guide connecting piece extending to the lower frame side may be used. In addition, the formation location in the expected direction, the width of the recess in the expected direction, and the like may be appropriately set in accordance with the shape of the guide connecting piece.

  Further, in each of the above embodiments, the vertical frame has a structure including the vertical frame main body and the connection block fixed to the lower end portion of the vertical frame main body. It is good also as an aspect which forms a part integrally. In this case, notch step portions similar to the lower frame may be formed on both sides in the prospective direction of the lower end portion of the vertical frame. Or it may replace with the lower frame and vertical frame which have the notch step part which receives the edge part of a flooring, and may be made into the lower frame and vertical frame which do not have a notch step part. In this case, it is good also as an aspect which installs these directly in a floor finishing surface (surface of a flooring material).

  Further, in each of the above embodiments, the movement along the longitudinal direction of the lower frame is constrained to the lower end portions of the pair of vertical frames and the longitudinal end portions of the lower frame, and they are fitted to each other along the vertical direction. And connecting each of the connecting portions to each other so that the inner surfaces facing each other at the lower end portions of the pair of vertical frames and the both end surfaces in the longitudinal direction of the lower frame are butted together. Although the example which made the structure which connects a frame was demonstrated, it is not restricted to such an aspect. For example, a connecting portion as described above is provided at the lower end of one vertical frame and the longitudinal end of the lower frame on the corresponding side, and the lower end of the vertical frame and the end of the lower frame are provided. It is good also as a structure which connects. In this case, you may make it connect the lower end part of the other vertical frame, and the other end part of the lower frame corresponding to it using another connection structure.

Furthermore, in each of the above embodiments, a sliding door frame that supports a so-called under load type sliding door in which a door is provided at the lower end of each sliding door and a rail member that guides the door is provided on the upper surface of the lower frame will be described. However, instead of a mode in which a sliding door groove or rail member is provided in the lower frame, a so-called upper suspension is provided in which an upper suspension rail that guides a suspension runner or the like fixed to the upper end of each sliding door is provided in the upper frame (kamoi). It is good also as a sliding door frame which supports the sliding door of a type | mold. In this case, it is good also as an aspect which provides the recessed groove opened toward the lower frame in the lower end surface of a sliding door, and provides the guide pin etc. which engage with this recessed groove in the upper surface of the both ends of a lower frame.
Moreover, in each said embodiment, although the one-sided sliding door which consists of one sheet, and the sliding door which consists of two sheets were demonstrated as a sliding door supported by each sliding door frame, it is a draw-type sliding door which consists of two sliding doors. The door frame according to the present invention can also be applied to a sliding door frame that supports the sliding door frame and a sliding door frame that supports a large number of sliding doors composed of three or more. In this case, each frame member constituting the sliding door frame may be appropriately modified according to the support type, the number of the sliding doors, and the like.

  Furthermore, in each said embodiment, although the sliding door frame which supports the sliding door as a door body slidably was demonstrated, the door frame which supports the hinged door as a door body rotatably, for example, and several door bodies are supported. The door frame according to the present invention can be applied to a folding door frame or the like that foldably and slidably supports the connected folding doors. When applied to a door frame that supports such hinged doors or folding doors, when attaching the door stop member to the inner side surface of the vertical frame, the door stop member may be attached after the lower frame is assembled. Or when it is necessary to remove a lower frame after construction, you may make it provide the notch corresponding to the door stop member in the both ends of this lower frame.

1,1A Sliding door frame (door frame)
10,10A threshold (bottom frame)
10b End face of sill 13 Guide groove (guide recess, connecting part)
14 Locking hole (locked part, connecting part)
15 Notch steps 17, 18 Lower part of the threshold (parts where notches are formed and narrowed)
20, 30 Vertical frame 21, 31 Vertical frame body 22, 32 Door pricking groove 25, 35 Connection block (lower end of vertical frame)
25a, 35a Upper surface of connecting block 25b, 35b Inner side surface of connecting block (inner side surface of lower end of vertical frame)
26, 36 Guide connection piece (connection part)
27, 37 Locking protrusion (locking part, connecting part)
28, 38 Engagement projections W1, W4 Expected width of connecting block W2, W5 Expected width of lower part of sill W3, W6 Expected width of vertical frame body T1 Thickness of connecting block T2 Lower part of sill Thickness 7b flooring

Claims (4)

  The lower end portion of the vertical frame and the end portion of the lower frame in the longitudinal direction are provided with connecting portions that restrain movement along the longitudinal direction of the lower frame and fit with each other along the vertical direction, respectively. A door frame characterized in that the door frame has a structure in which the inner surface of the lower end portion of the vertical frame and the end surface of the lower frame are brought into contact with each other to connect the vertical frame and the lower frame. In claim 1,
A notch step portion for receiving an end portion of a flooring is formed at the lower side surface in the width direction of the lower frame,
The vertical frame is formed with a notch step portion in the lower frame to be narrow in width, the thickness and the width in the prospective direction are substantially the same size, the connection block having the connection portion, and the connection block A door frame comprising a vertical frame main body having a larger width in a prospective direction and having the connection block fixed to a lower end portion. In claim 2,
The vertical frame main body is provided with a door punching groove along the vertical direction, and an engagement protrusion for engaging with the door punching groove is provided on the upper surface of the connection block. A door frame characterized by In any one of Claims 1 thru | or 3,
The connecting portion of the vertical frame extends toward the lower frame, and has a structure including a guide connecting piece having a locking portion. On the other hand, the connecting portion of the lower frame is a lower surface of the end portion. The door is provided with a guide recess that accommodates the guide coupling piece, and a locked portion that is provided in the guide recess and is locked to the locking portion. frame.

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