JP2011080305A - Method for mounting door frame - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a door frame, which allows each of workers of different industry sectors to perform operation in a construction site in order without boomerange to prevent the adjustment or management of an operation process from being put into an extremely strict state, and has both of responding property capable of responding to an error, even if caused in the wall thickness of an opening part, and satisfactory workability, and a method for mounting the door frame. <P>SOLUTION: The door frame includes a first frame body provided on an opening edge on one wall surface side of an opening of a wall surface, and a second frame body provided on an opening edge on the other wall surface side of the opening. The first frame body includes a door stopper which is provided on a leading end inside the opening, and a holding section which is provided on the reverse side of the door stopper to hold an inside leading end portion of the second frame body overlapping with the door stopper from the reverse side together with the door stopper. <P>COPYRIGHT: (C)2011,JPO&amp;INPIT

Description

    The present invention relates to a door frame mounting construction method for holding a door provided at an opening of a wall surface so as to be freely opened and closed.

In the construction of lightweight steel partition walls and joinery, the work processes of different traders are now intermingled and have an impact on the overall finishing process. There is a need for a new construction method that changes this conventional flow.
Therefore, the frame is divided so that the construction work can be done after the wall construction is completed, and the construction equipment that fixes the wall and the frame in a form that is sandwiched from both sides is developed and put to practical use, reducing the total cost at the construction site and reducing the process Shortening is required.

    The joinery frame described in Patent Document 1 is composed of a combination of a front frame and a rear frame that are divided into two parts, door stops are formed in a G shape in series on the inner surface of the front frame, and the lip portion of the door stop is the rear frame. By adjusting the expected dimension in contact with the inner side surface, it is possible to apply even an error in the thickness of the mounting wall or a change at an intermediate stage. With the joinery frame described in Patent Document 1, it is possible to flexibly cope with changes in wall thickness and malfunctions regardless of the type of peripheral wall and the determination time of the thickness, and prepare and prepare the front frame and door in advance. It is possible to keep.

It has an upper frame, a lower frame, and left and right vertical frames to be attached to the opening of the building, and has mounting pieces that protrude outwardly on the mounting surface side of the upper frame, the lower frame, and the left and right vertical frames, respectively, Each attachment piece is provided with a building opening member having a cutting groove at the base (see Patent Document 2).

    Further, the joinery frame is constituted by a joinery frame main body formed with a through hole for adjusting at least the mounting member with a tool, and a joinery frame cover that can cover the through hole and can be coupled to the joinery frame main body. Mount the joinery frame body on the base frame using the mounting member while making necessary adjustments such as verticality, straightness, gap adjustment, etc., and then hang the door and then cover the through hole A construction method for joining a joinery frame cover to the joinery frame body has been proposed (see Patent Documents 3 and 4).

    A process of driving an angle material into the floor slab corresponding to the mounting opening of the housing to determine the position of entry and exit, a process of building a door frame in the mounting opening, and adjusting the level and building with a rotating member such as a bolt; A door frame mounting method has been proposed which includes a step of fixing the housing and the head of the rotating member with an adhesive such as an epoxy resin (see Patent Document 5).

    In addition, a sliding door frame retrofitting method is also provided that allows the sliding door frame to be constructed on the wall after the wall cloth has been constructed without impairing the appearance of the sliding door frame (see Patent Document 6).

The frame is leaned against the left and right side base materials, and the upper frame is temporarily fixed to the frame. The hook frame is fixed to the side base material by the fixing means so that the gap can be adjusted, and the upper part of one of the rib frames is adjusted to the reference position. The other part in the longitudinal direction of the frame is adjusted to a vertical position, and the position of the other frame is adjusted based on the opening width of the opening for attaching the joinery. A construction method has been proposed in which the upper frame is permanently fixed and a frame additional member is attached to the collar frame and the upper frame (see Patent Document 7).
These were not fully satisfactory in installation.

JP 2006-316446 A JP 2000-220347 A JP 2009-24336 A JP 2006-233604 A JP 2002-303081 A JP 2000-110443 A JP 2002-276248 A

    In the joinery frame described in Patent Document 1, the front frame and the rear frame are welded or joined with bolts and nuts, then placed in the opening of the wall, and joined to the base curing material (column) through the connecting material. Therefore, as a mounting order, first, the front frame and the rear frame coupled to the pillar are joined via the connecting material, and then the wall board material (wall panel) is built.

    However, since the worker who builds the pillar and the worker who sticks the wall panel are often the same worker, first build the pillar that forms the opening, join the door frame to this pillar, and In the procedure of building a panel, the worker who built the pillar must wait until the door frame construction is completed.

    For example, if the installation work of the door frame is delayed or the number of door frames that need to be installed is large, the waiting period until the wall panel is pasted becomes long. Workers may enter work at other sites due to the longer waiting period, but if the work at other sites is delayed, the installation of the door frame is completed and the wall panel is installed. Even if it is waiting to be built, it will not be possible to exit from the other site, and it will not be possible to return to the site where the wall panel is pasted. Then, the process adjustment and management will be very difficult. Accordingly, there is a demand for a door frame having high workability that enables workers of different industries to perform work on a construction site in order without going back and forth.

    It is an object of the present invention to provide a door frame and a door frame mounting construction method that have both the compatibility that can cope with an error in the door thickness of the opening and good workability.

    The door frame of the present invention includes a first frame provided at an opening edge on one wall surface side of an opening of a wall surface, and a second frame provided at an opening edge on the other wall surface side of the opening. The first frame body includes a door stop portion provided at a front end inside the opening, and an inner front end portion of the second frame body provided on the back side of the door stop portion and overlapping the door stop portion. A holding portion that is sandwiched together with the door stop portion from the back side is formed.

    The present invention provides a step of fitting a stiffener-shaped fixing bracket to be fixed to a finished wall edge to a first frame, and a first U-shaped groove is formed on one wall surface side of the finished wall opening. The step of attaching the frame body to the wall edge using an L-shaped angle, from the other finished wall surface side of the opening to the wall surface toward the U-shaped groove of the first frame body, the tip portion This is a door frame installation construction method comprising a step of attaching the second frame formed in a structure into which the frame is inserted to sandwich the frame from both sides, and a step of fixing both the frames.

      The stiffener-shaped fixture that fits into the first frame is a U-shaped and knot-shaped bending member that can be moved freely. By joining the bending member and the L-shaped angle member, It can be fixed to the wall edge.

  The first frame body is formed with a substantially L-shape that secures a fixing space between the small edge surface of the finished wall surface and the side surface of the insertion portion of the first frame body, and a stiffener-shaped fixture for fixing the first frame body Is provided with a groove-shaped guide portion that can be slid, and has a substantially L-shaped structure that allows the distal end portion of the second frame to be inserted into the U-shaped groove at the distal end. It has a shape that can accommodate changes in wall thickness for half the size.

    The second frame body is a J-shaped frame body having a front end portion, and has a length of the front end portion that can be adjusted to the thickness of the wall. About half of the U-shaped groove of the frame can be inserted.

    The second frame body is fixed to the first frame body after joining with the second frame body inserted into the U-shaped groove of the first frame body, and then the U-groove holding portion of the first frame body and the second frame body. This is a door frame installation method in which the tip of the frame is fixed with screws at several locations.

In both the first frame and the second frame, the vertical member and the horizontal member of the frame are separable so that they can be assembled and assembled in order to facilitate transportation and arrangement.
It is a door frame installation construction method that can be performed after the position of the wall opening is determined, rather than preceding the wall finishing, because the on-site management becomes simpler than usual and can be handled with simplified drawings.

    Further, the door frame construction method of the present invention includes a first frame body provided at an opening edge portion on one wall surface side of the opening portion of the wall surface, and an opening edge portion provided on the other wall surface side of the opening portion. In this method, a door frame provided with two frames is attached to the opening.

  A door stop portion provided at the front end of the opening and a holding portion provided on the back side of the door stop portion and sandwiching the inner front end portion of the second frame body overlapping with the door stop portion from the back side together with the door stop portion. A first frame body formed with a portion from the one wall surface side, a step of fixing the first frame body to the opening, and the second frame body from the other wall surface side. A step of disposing the inner end portion of the second frame body between the door stop portion and the holding portion, and a step of fixing the second frame body to the opening portion. It is characterized by including.

The door frame of the present invention is formed of two frames, a first frame and a second frame. The first frame is provided at an opening edge on one wall surface side of the opening of the wall surface. The second frame is provided at the opening edge on the other wall surface side of the opening. When the two frames are installed in the opening, the first frame is arranged from one wall surface side, and then the first frame is fixed to the opening.

  Next, the second frame body is arranged from the other wall surface side to the opening, and the inner front end portion of the second frame body is inserted between the door stop and the holding portion provided at the inner end of the opening. To do. The holding portion provided on the back side of the door stop portion sandwiches the inner front end portion of the second frame that overlaps with the door stop portion together with the door stop portion from the back side, so that the first before the door frame is installed in the opening portion. There is no need to connect the frame and the second frame.

Therefore, the door frame can be constructed after the wall surface is formed. In addition, since the second frame body is only sandwiched between the door stop portion and the holding portion, even if the wall thickness becomes thicker or thinner due to the construction error of the opening portion, Only the degree of overlap with the inner tip portion of the frame changes. Therefore, it can be determined from the appearance that the degree of overlap is hidden behind the door stop, so that even if an error occurs in the wall thickness of the opening, it can be dealt with.

    The first frame extends from one wall surface side of the wall panel to the inside of the opening, and a fixing space is formed between the inner side surface of the opening formed by the pillar member and the back side surface of the first frame body. The second frame is formed in a substantially L-shape to be secured, and the second frame extends from the other wall surface side of the wall panel to the inside of the opening and can be inserted between the door stop portion and the holding portion. It is desirable to be formed in a shape.

    The first frame body is formed in a substantially L shape extending from one wall surface side to the inside of the opening portion by the wall surface panel, but between the column member forming the opening portion and the back side surface of the first frame body. Since the fixing space is secured, the first frame can be fixed to the frame member even after the wall panel forming the wall surface is built on the frame member forming the opening. And since the 2nd frame is formed in the substantially L shape extended from the other wall side to the opening part inner side, after fixing the 1st frame, the 2nd frame is changed from the other wall side. It can be inserted and fixed between the door stop portion of the one frame body and the holding portion.

    The 1st connection member arrange | positioned at a back side surface to the said 1st frame, The 2nd connection member arrange | positioned in the position of the said frame member connectable with the said 1st connection member, and is connected with the said frame member by a screw member Preferably, the first connecting member and the second connecting member are connected by a screw member in the fixed space. It can fix, without using welding by connecting a 1st frame and a pillar member with the 1st connecting member and the 2nd connecting member.

    A stiffener-type fixing bracket and an angle-shaped connecting member that are movable on the back side surface of the first frame body are provided in the fixed space, and the angle-shaped connecting member is connected to the first frame body and the column member. It is also possible to connect with a screw member. By connecting the first frame body and the column member by the angle-shaped connecting member, it can be fixed without using welding.

    An extension receiver for fixing the second frame body to the first frame body is provided, and the extension receiver can be extended in proportion to the size of the second frame body. The second frame body is connected by a screw member, but it is preferable that the second frame body is connected at two places with a large size. Since a fixing space is secured in the first frame body, a space is formed between the second frame body and the frame member in a state where the second frame body is connected to the first frame body.

  Therefore, when the second frame is fixed to the first frame member, if the flat frame is simply fixed at one place, the second frame may be fixed easily. Therefore, it is desirable to increase the number of screws fixed by changing the size of the second frame body.

    When the first frame and the second frame are formed so that the connection between the vertical member and the horizontal member is separable, the vertical member and the horizontal member of the first frame and the second frame, respectively. Can be stored in a separated state or can be carried into the construction site, so a large storage place is not required and transportation is easy.

According to the structure of this invention, since the inner side front-end | tip part of the 2nd frame which overlaps with a door stop part is inserted | pinched with a door stop part from the back side, construction of a door frame is possible after a wall surface is finished. Further, according to the configuration of the present invention, even if an error occurs in the wall thickness, it can not be determined from the appearance that the degree of overlap is hidden behind the door stop, so even if an error occurs in the wall thickness of the opening. Can respond. Therefore, the present invention can have both the compatibility that can cope with an error in the wall thickness of the opening and the good workability.

The whole drawing showing the construction method of the present invention shows a procedure for sandwiching a finished wall in the center. U1: First frame, K2: Finished wall opening, U2: Second frame It is a figure which shows the hand side of the state which attached the door to the door frame which concerns on embodiment, and is drawing which shows the member arrangement | positioning of a 1st frame. A: Front view, B: II flat section It is a figure which shows the push hand side of the state which mounted | wore the door frame which concerns on embodiment, and is drawing which shows the member arrangement | positioning of a 2nd frame. A: Front view, B: Loro flat cross section It is construction procedure figure (vertical direction sectional drawing) of 1st frame U1, 2nd frame U2, stiffener type | mold frame fixing bracket A, A1, and L-shaped fixing bracket A2. It is a construction completion figure (longitudinal direction sectional view) of the 1st frame, the 2nd frame, a stiffener type frame fixture, and an L-shaped fixture. It is construction procedure figure (lateral direction sectional drawing) of 1st frame U1, 2nd frame U2, stiffener type | mold frame fixing bracket A, A1, and L-shaped fixing bracket A2. It is a construction completion figure (lateral direction sectional view) of a 1st frame, a 2nd frame, a stiffener type frame fixture, and an L-shaped fixture. Insertion method of stiffener type frame fixing tool (sliding type) for frame. State diagram of joining of horizontal member X1 of first frame and vertical members Y1A and Y1B A: perspective view, B: plan view Hinge part and hinge reinforcement plate of the first frame

The door frame which concerns on embodiment of this invention is demonstrated based on FIGS. 1-10.
As shown in FIG. 1, the opening K2 of the finished wall K1 is constructed by placing the first frame body U1 from the opening M1 side and the second frame body U2 from the opening M2 side and sandwiching from both sides. FIG. 2 is a view showing a front view and a cross-sectional view of the Ei in which the first frame of the door frame according to the present embodiment is arranged. The door frame according to the present embodiment is formed by bending a steel plate (JISG3302), and holds the hinged doors T1 provided in the opening K2 of the wall surface K1 by hinges H1 attached at three locations so as to be opened and closed. This hinged door T1 is formed in a rectangular shape having a height of about 2 m and a width of 0.9 m.

     The II cross section represents the positional relationship in a state in which the first frame body U1 and the second frame body U2 are arranged on the finished wall. The opening K2 is formed by two column members Kx and Kx ′ made of lightweight steel C-shaped steel having a C-shaped cross section, which is a frame member, and a beam member Ky made of C-type steel installed on the column members Kx and Kx ′. Has been. On the column members Kx and Kx ′ that are erected with respect to F, a board receiving material K4 is provided. The column members x and Kx ′, the beam member Ky, and the board receiving materials K3 and K4 are covered with a wall surface panel P that forms a wall surface K1. The wall surface panel P covers both sides with one wall surface panel P. Depending on the design, there may be two or three layers.

      As shown in FIGS. 4, 5, 6, and 7, the first frame of the door is a three-way frame including vertical frame portions Y 1 A and Y 1 B attached to the column members Kx and Kx ′ and a horizontal frame portion X 1 attached to the beam member Ky. Is forming. Similarly, the second frame also forms a three-way frame with the vertical frame members Y2A and Y2B and the horizontal frame member X2. 4 and 6 show an arrangement procedure of the formed three-way frame. Arrangement and bonding are performed in the order of arrows 1, 2, and 3 in the figure.

      As shown in FIGS. 4 and 6, the first frame body U <b> 1 is provided on one wall surface M <b> 1 side opening edge of the opening K <b> 2. The first frame U1 has a substantially L-shaped cross section as a whole. Specifically, the first frame body U1 configured by the horizontal member X1 and the vertical members Y1A and 1YB is formed so as to extend from the one wall surface M1 side by the wall surface panel P to the inside of the opening K2, and the column member Kx and the beam A fixing space S1 is secured between the inner side surface of the U-shaped opening formed by the member Ky and the back side surface of the first frame member X1, Y1A, Y1B.

      As shown in the figure, the first frame body U1 is provided with door stop portions X1-1, Y1A-1, and Y1B-1 at the tip inside the opening K2. Moreover, the holding | maintenance part X1-2, Y1A-2 * 1B-2 is provided in the X1-1, YA1-1, YB1-1 back side of the door stop part. The holding portions X1-2, Y1A-2, and Y1B-2 are provided at the tips of the door contact portions X1-1, YA1-1, and Y1B-1, and the lower ends of the door contact portions X1-1, Y1A-1, and Y1B-1. It is formed with the plate body bent in the substantially U shape of the length from an upper end.

      As shown in FIG. 8, stiffener type fixtures A and A1 are attached to the first frame body U1 from the back side surfaces of the door contact portions X1-1, Y1A-1, and Y1B-1 toward the fixing space S1. ing. As shown in FIG. 3, the stiffener type fixtures A and A1 are mounted on the first frame body U1 at a predetermined interval. The installation position of the stiffener type fixtures A and A1 will be described in detail. As shown in Fig. 3, the stiffener type fixing bracket A1 for the vertical member is equipped with a vertical member that is 40mm below the floor and 100mm above the frame method on the upper side, and is divided into five equal parts. Has been. Further, the stiffener type fixing bracket A for the horizontal member is provided at the position and center of 50 mm from the both-side inner method. It is fixed with a total of 15 stiffener fixtures.

As shown in FIGS. 4 and 6, the stiffener type fixtures A and A1 are fixed to the column members Kx and Kx ′ and the beam member Ky by using an auxiliary material having an L-shaped angle A2 with two screws. Has been. In the case of fixing, when the position defect occurs, the positions of the stiffener type fixing brackets A and A1 can be freely changed.

  As shown in FIGS. 4, 5, 6, and 7, the second frame bodies X2, Y2A, and Y2B are provided at the opening edge portion on the other wall surface M2 side of the opening portion K2. The second frame bodies X2, Y2A, Y2B are formed in a substantially L shape in cross section as a whole. Specifically, the second frame bodies X2, Y2A, and Y2B extend from the other wall surface M2 side of the wall surface panel P to the inside of the opening, and U-shaped holding portions X1-2 and Y1 on the back surface of the first frame door contact portion. -2 is inserted.

    The door frame according to the present embodiment is not only divided into a first frame body and a second frame body in the front and rear, but also the first frame body is divided into vertical members Y1A and Y1B and a horizontal member X1. The frame is formed to be separable into vertical members Y2A and Y2B and a horizontal member X2. That is, the door frame is divided into six parts.

As shown in FIG. 9, the first frame U1 of the front frame will be described as an example. A tenon into which a part of the horizontal member can be inserted is formed at the upper end of the vertical members Y1A and Y1B of the first frame U1. . The transverse member is formed with a projection portion that fits the tenon, and the projection portion is also provided with a fixing hole. By this mechanism, the vertical members Y1, Y1A of the first frame body and the end portions of the horizontal member X1 can be easily connected by aligning them at right angles and screwing.

      As shown in FIG. 10, at the position where the hinge H1 is provided, an L-shaped hinge reinforcing plate H2 (first connector) is screwed by a screw member N1, so that the hinge side vertical of the first frame body is obtained. It is attached to the member. In addition, an L-shaped hinge reinforcing plate connecting member H3 (second connecting tool) is provided in the fixing space S1, and is attached to each surface of the column member Kx ′ or the hinge-side vertical member Y1B of the first frame. The column member Kx ′ and the first frame hinge side vertical member Y1B are fixed by inserting and screwing the holding part on the back surface of the door of the frame body Y1B in a state where the standing surfaces are in contact with each other. .

    The construction method of the door frame 1 which concerns on embodiment of this invention comprised as mentioned above is demonstrated based on figures. In the opening K2 to which the door frame is attached, the column members Kx and Kx ′ and the beam member Ky are already erected together with the board receiving members K3 and K4, and the beam member Ky is installed between the column members Kx. The wall panel P is pasted so as to cover, and the L-shaped plate H2 is attached together with the hinge H1.

(Attaching the first frame)
The door frame was made of a JISG3302 hot-dip galvanized steel plate with a thickness of 1.6 mm and 2.3 mm, and a development view was created so as to be a rectangular product with an internal dimension of 0.9 × 2 m. Furthermore, it was commercialized through cutting, pressing, bending, door assembly, anti-rust / finish coating, temporary assembly inspection, appearance and dimensional inspection. Product sorting packaging, stiffener-shaped fixtures, and L-shaped angle auxiliary materials were shipped together with the shipping chart. At the construction site, prior to installation work, the opening position of the finished wall, the installation error (vertical direction, in-plane direction, floor level) and dimensions were checked, and the product was received and temporarily placed.

    Prior to the connection of the vertical member and the horizontal member in the assembly space on the finished wall opening M1 side, a stiffener-shaped fixing bracket is inserted into a groove (guide portion) formed in the door stop portion of the member and arranged. As shown in FIG. 9, the tenon and protrusions of the first frame body vertical members Y1A and Y1B and the horizontal member X1 were combined and connected to assemble in a three-way frame state. The arrangement position of the stiffener-shaped fixing bracket is the position shown in FIG. In order to secure the fixing strength of the first frame body, the stiffener type fixing brackets A and A1 are longitudinal members, the lower side is 40 mm from the floor surface, the upper side is 100 mm from the in-frame method, and the dimension between them is divided into five equal parts. At the position, the transverse member was equipped at the center and 50mm from the both side internal method. A total of 15 stiffener fixtures were equipped.

    The first frame body U1 in a three-way frame state was built into the opening K2 from the one wall surface M1 side of the finished wall surface. When the first frame body U1 was built, the openings between the first frame body members X1, Y1A, and Y1B were measured, and it was confirmed whether a width capable of attaching the hinged door T1 was secured. When the width was too wide, the first frame members X1, Y1A, Y1B were moved and adjusted. Since the stiffener-type fixing bracket and the L-shaped angle fixing bracket are not fixed, they can move freely, and even if the design value and the actual state are slightly different, the first frame U1 can be built with high accuracy. Could be adjusted.

    Next, the stiffener-shaped fixing brackets A1 and A2 disposed on the first frame body U1 were used to connect the column members Kx and Kx ′ and the beam member Ky by screwing N1. As shown in FIG. 10, apart from the A1 and A2 stiffener-shaped fixing brackets, the hinge H1 portion is also connected to the column member Kx ′ by using L-shaped angle members H2 and H3 and screwed with N1. As described above, as shown in FIGS. 5 and 7, the first frame body U1 is fixed to the column member Kx and the beam member Ky of the opening K2 of the finished wall.

Thus, even if the wall surface panel P is affixed to the column members Kx, Kx ′ and the beam member Ky, the fixing frame S1 is used to make Y1 and Y1A of the first frame body vertical member and the column member Kx. , And the first frame body transverse member X1 and the beam member Ky can be connected, and the first frame body U1 can be attached to the opening K2 of the finished wall.

(Attachment of second frame body U2)
In the assembly space of the finished wall on the opening M2 side, the second frame vertical members Y2A, Y2B and the horizontal member X2 are joined and connected to the tenon and the protruding portion, and the second frame U2 in a three-sided frame is finished. It arrange | positioned at the opening part M2 side of the wall surface. When the second frame body U2 is arranged, the inner frame end portion of the second frame body is placed on the holding portions (U-shaped groove portions) X1-2, Y1A-2, and Y1B-2 of the first frame body members X1 and Y1A and 1B. I went while inserting.

    As described above, the holding portions X1-2, Y1A-2, and Y1B-2 provided on the back side of the door contact portions X1-1, Y1A-1, and Y1B-1 of the first frame body are the second frame body X2−. 1, since the inner end portion of Y2A-1 and Y2B-1 is sandwiched, it is not necessary to connect the first frame body U1 and the second frame body U2 prior to installing the door frame in the opening, After the wall panel P was bonded to the column members Kx, Kx ′ and the beam member Ky, the door frame could be constructed.

   Further, the second frame bodies X2, Y2A, and the holding sections X1-2, Y1A-2, Y1B-2 provided on the back side of the door contact portions X1-1, Y1A-1, Y1B-1 of the first frame body, Since the Y2B is sandwiched, the wall thickness becomes thicker or thinner due to the construction errors of the column members Kx, Kx 'and the beam member Ky that form the finished opening K2. 1-1 and the second frame X2, Y2, Y2A on the holding portions X1-2, Y1A-2, Y1B-2 provided on the back side of the door end portions X1-1, Y1A-1, Y1B-1 of the frame body It was possible to adjust the degree of overlap with the inner front end portion, and even if the degree of overlap changed, it was hidden by the door stop portions X1-1, Y1A-1, and Y1B-1, so there was no problem in appearance. Therefore, the door frame according to the present embodiment can cope with an error in the wall thickness of the opening of the finished wall. Moreover, it had good workability.

    In addition, the first frame body X1 in which the holding portions X1-2, Y1A-2, and Y1B-2 provided on the back side of the door contact portions X1-1, Y1A-1, and Y1B-1 of the first frame body are formed. , Y1 and Y1A in advance, and after the wall thickness is finally determined at the design stage, the second frames X2, Y2 and Y2A are manufactured. The shapes of the second frames X2, Y2A and Y2B are Since the structure is simpler than the one frame body X1, Y1A, Y1B, and the steel plate is simply bent in an L shape, it can be manufactured in a short time. We were able to respond with a short delivery time and were able to prepare quickly for construction.

(General construction)
In the present embodiment, since the first frame U1 and the second frame U2 are divided into vertical members and horizontal members, it is possible to save the storage space and to easily carry it into the construction site. can do. In addition, when installing the door frame 1 which concerns on this Embodiment in the opening part in which a fire prevention door is provided, it is not by connecting the vertical member Y1A, Y1B and the horizontal member X1 by screwing but by making it an integral structure. The required strength can be ensured.

    Further, in the present embodiment, the first frame body U1 and the column member Kx, and the first frame body horizontal member X1 and the beam member goods Ky are connected by screws using a stiffener-type fixing bracket and an L-shaped angle. However, the first frame vertical members Y1A and Y1B and the column members Kx and Kx ′, the first frame horizontal member X1 and the beam member Ky are used as anchoring space S1 as a welding space. It is also possible to fix by welding with a (connecting rod) interposed. However, when the first frame U1 is fixed by welding, the welding flame that scatters from the tip of the welding rod for electric welding toward the back side of the fixing space S1 is the end of the wall panel P on the opening K2 side. There is a risk of scorching. Therefore, it is better to perform the connection by screwing rather than the connection by welding as in the present embodiment. By doing so, the door frame 1 can be safely attached even in a state where the wall surface panel P is pasted as the wall surface S1, S2, a state where a cloth is pasted on the wall surface panel P, and a state where the wall surface S1, S2 is painted. .

    Further, the reinforcing plate H2 is screwed together with the hinge H1 to the hinge H1 portion that is most loaded when the hinged door T1 is opened and closed, so that the reinforcing plate functions as a fixing member for fixing the first frame body U1. In addition, it also has a function as a reinforcing member that reinforces U1 from the first frame.By fixing the reinforcing plate H2 together with the hinge H1, it is not necessary to perform fixing by welding or other screws. .

    Further, in the present embodiment, the substantially U-shaped portion formed on the back surface of the door stop portion of the first frame body is integrally formed, but the substantially U-shaped (X1-2, Y1A-) is formed by welding the members. 2, Y1B-2).

   The present invention is suitable for a door frame provided in an opening of a wall surface, and can be used not only in a three-sided frame but also in a four-sided frame. Moreover, the door attached to the door frame of the present invention may be not only a single swing door, but also a double door (folding door), a folding door, or a sliding door.

K1 Finished wall K2 Finished wall opening Kx, Kx 'Opening reinforcement for fixture fixing Ky, Ky' Opening reinforcement for fixture fixing K3 Light steel wall material runner K4 Light steel wall material stud P Light steel wall material board M1 Finished wall Opening (first frame side)
M2 Finished wall opening (second frame side)
U1 first frame (substantially L-shaped assembly frame)
U2 Second frame (substantially L-shaped assembly frame)
X1 1st frame horizontal member X1-1 1st frame horizontal member door part X1-2 1st frame horizontal member U-shaped groove part
X1-3 1st frame body Horizontal groove type guide part Y1A 1st frame body Vertical member (right)
Y1B 1st frame vertical member (left)
Y1A-1 1st frame vertical part door stop
Y1B-1 1st frame vertical member door contact part Y1A-2 1st frame vertical member U-shaped groove Y1B-2 1st frame vertical member U-shaped groove Y1A-3 1st frame 1st frame Vertical member groove type guide Part Y1B-3 1st frame body Groove type guide part X2 2nd frame body member (J-shaped frame)
X2-1 Second frame Horizontal member tip Y2A Second frame Vertical member (right) (J-shaped frame)
Y2B 2nd frame Vertical member (left) (J-shaped frame)
Y2A-1 2nd frame Vertical member tip
Y2B-1 Second frame vertical member tip S1 Space for fixing frame S2 Horizontal member and vertical member joint (separable part) of frame
A1 Stiffener-type fixture A1A Stiffener-type fixture A2 L-shaped angle T1 Door N1 Fixed round screw N2 Fixed countersunk screw H1 Hinge part H2 Hinge part reinforcement plate H3 Hinge part reinforcement plate connecting material II Cutting position Roll cutting position

Claims (7)

The step of fitting the stiffener-shaped fixing bracket to be fixed to the finished wall edge into the first frame, the first frame having a U-shaped groove formed on one wall side of the finished wall opening, A process of attaching to the wall edge using the L-shaped angle, and a structure in which the tip part enters from the other finished wall surface side of the opening to the wall surface toward the U-shaped groove of the first frame body A door frame mounting construction method comprising: a step of attaching the formed second frame so as to be sandwiched from both sides of the frame, and a step of fixing both the frames. The stiffener-shaped fixing fitting to be fitted into the first frame is a U-shaped and knot-shaped bending member that can be moved freely. The bending member and the L-shaped angle member are joined to each other. The door frame mounting construction method according to claim 1, wherein the door frame can be fixed to the wall edge. The first frame body is formed with a substantially L-shape that secures a fixing space between the small edge surface of the finished wall surface and the side surface of the insertion portion of the first frame body, and a stiffener-shaped fixing bracket that fixes the first frame body Is provided with a groove-shaped guide portion that can slide, and the tip of the second frame body can be inserted into the U-shaped groove at the tip, so that the U-shaped groove depth is reduced. It is made into the shape which can respond to the change of the wall thickness for a half dimension. The installation construction method of the door frame of Claims 1-2 characterized by the above-mentioned. The second frame body is a J-shaped frame body having a front end portion, which can cope with an error in wall construction, and the front end portion is fitted to the U-shaped groove of the first frame body when fitted. The door frame mounting construction method according to any one of claims 1 to 3, wherein about half of the door frame can be inserted. The second frame is fixed to the first frame by joining the second frame inserted into the U-shaped groove of the first frame, and then the substantially L-shaped structure of the first frame and the second frame. The door frame mounting construction method according to any one of claims 1 to 4, wherein the front end of the body is fixed with screws at several places.
The first frame body and the second frame body are configured so that the vertical member and the horizontal member of the frame body can be separated and assembled in order to facilitate transportation and arrangement. The installation construction method of the door frame as described in any one of 1 to 5. The installation of the door frame according to any one of claims 1 to 6, characterized in that construction can be performed in a state in which the wall finish is preceded in order to simplify on-site management and to enable common production drawings. Construction method.

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