JP5330078B2 - Connection structure of vertical frame and lower frame in external door frame - Google Patents

Description

The present invention relates to a connecting structure of a vertical frame and a lower frame in an external door frame.

The door frame includes a so-called internal door frame and an external door frame. The internal door frame is a door frame that opens and closes a building opening located indoors, and the external door frame is a door frame that opens and closes a building opening located between the outdoors and indoors. There is a feature that the latter can be exposed to rainwater.

Generally, door frames are shipped from the factory in a state of being assembled as a four-sided frame, but if the door frames can be shipped as they are and assembled on site (knock-down), the loading efficiency during transportation will be improved. This has the advantage of reducing transportation costs.

Conventionally, knockdown has been implemented for internal door frames. For example, since the door frame disclosed in Patent Document 1 does not perform a welding operation, it can be used for on-site assembly. However, in this case, it is necessary to form screw holes on the upper surface of the lower frame, and there is a problem of waterproofness in order to apply this door frame to the door frame for external use.

Further, in the lower frame of the external door frame, since the upper surface of the outdoor part is an inclined surface for draining water, the lower end of the vertical frame connected to the lower frame must also be an inclined surface. It is difficult to separately attach a fixing member in accordance with the inclination of the lower end of the frame.

JP 2002-174083 A

An object of this invention is to provide the connection structure of the vertical frame and lower frame which makes it possible to assemble the external door frame on-site.

The technical means adopted by the present invention are:
In the connection structure of the vertical frame and the lower frame in the external door frame,
The vertical frame is composed of an indoor side portion having an indoor side finding surface and an indoor side looking surface, and an outdoor side portion having an outdoor side finding surface and an outdoor side looking surface,
The lower frame is composed of an indoor side portion having a horizontal upper surface and an outdoor side portion having a downwardly inclined upper surface toward the outdoor side,
At the end in the opening width direction of the lower frame, a first fixing member is erected on the upper surface of the outdoor side part, and a second fixing member is provided on the indoor side part,
The lower part of the outdoor side part of the vertical frame is externally fitted to the first fixing member, and at least part of the lower end of the outdoor side part is in contact with the inclined upper surface of the outdoor side part of the lower frame, The lower part of the indoor side part of the vertical frame is fixed to the indoor side part of the lower frame with the lower part of the indoor side part fixed to the first fixing member by the first fastening member from the outdoor side expected surface. It is the connection structure of the vertical frame and the lower frame fixed to the said 2nd fixing member with the 2nd fastening member in the state contact | abutted to the horizontal upper surface.

The outdoor-side prospective surface of the outdoor-side portion may include a prospective surface (first outer prospective pieces 35, 45 in the embodiment) on the side separated from the opening in addition to the prospective surface facing the opening. The first fastening member may be provided on a prospective surface facing the opening and / or on a prospective surface on the side away from the opening.
In one aspect, the first fastening member is provided on the outdoor side expected surface facing the opening,
When the opening is fully closed, the door body is located at the outdoor side portion of the vertical frame and the lower frame, the first fastening member is concealed by the side end surface of the door body, and the second fastening member Is located on the indoor side of the door.

In one aspect, the first fixing member and the second fixing member are welded to a lower frame.
Examples of the first fastening member and the second fastening member include rivets such as screws and blind rivets.
In one mode, the 1st fixed member is provided with the extension part which reaches to the indoor side part of the lower frame, and the extension part is engaged with the indoor side part of the lower frame.

In one aspect, the second fastening member fixes the second fixing member and the indoor side portion of the vertical frame at a position higher than the outdoor side portion of the lower frame.
In one aspect, the second fixing member is provided inside an indoor side portion of the lower frame, and a slit is formed at an end of an upper surface of the indoor side portion of the lower frame, and the vertical frame A locking piece to be inserted into the slit is formed at the lower end of the indoor side portion, and the locking piece inserted into the lower frame from the slit is fixed to the second fixing member with a screw or the like.
In one aspect, the second fixing member is provided at an end portion in the longitudinal direction of the upper surface of the indoor side portion of the lower frame, and a lower portion of the indoor side portion of the vertical frame is screwed to the second fixing member. It is fixed with.

The connecting structure of the vertical frame and the lower frame according to the present invention enables the assembly of the door frame at the site, but does not provide a screw hole or the like in the outdoor side portion of the lower frame. The waterproofness of the outer part is not impaired. In the connecting structure of the vertical frame and the lower frame according to the present invention, the vertical frame is connected to the lower frame to which the first fixing member and the second fixing member are connected. There is no need to provide a separate member. A fastening member such as a screw is used to connect the vertical frame to the first fixing member and the second fixing member. In the connection structure according to claim 2, when the opening is fully closed, the fastening member is a side end surface of the door body. Since it is concealed by or located on the back of the door body, the influence of rainwater or the like can be minimized.

The first fixing member includes an extension portion that reaches an indoor side portion of the lower frame, and the extension portion is engaged with an indoor side portion of the lower frame. When welding one fixing member in a factory or the like, the positioning of the first fixing member with respect to the lower frame is facilitated, and the first fixing member is engaged (temporarily fixed) with the lower frame, so that the efficiency of the welding operation is increased. Can be achieved.

It is the front view and side view which show the assembly state of the door frame for exteriors. It is a longitudinal cross-sectional view which expands and shows a lower frame part. It is a cross-sectional view of a door frame. It is a perspective view explaining the connection of the vertical frame with respect to a lower frame. It is a perspective view which shows the state by which the vertical frame was connected with the lower frame. It is a perspective view explaining the connection of the vertical frame with respect to the lower frame which concerns on other embodiment. It is a perspective view which shows the state by which the vertical frame was connected with the lower frame.

Embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a front view and a side view showing an assembled state of an external door frame. The door frame is a four-round frame including an upper frame 1, a lower frame 2, left and right vertical frames of a door-end side vertical frame 3 and a door-end side vertical frame 4. A drainer 1A is provided on the front surface (outdoor-side finding surface) of the upper frame 1, and the upper frame 1 from which the drainer 1A is removed is shown above the front view of FIG. A hinge receiving portion (pin) 4A is attached to the vertical frame 4 on the door bottom side. The door frame is assembled by connecting the ends of the frames 1, 2, 3, and 4 shipped from the factory as a single unit at the site. In the connection between the end portions of the frames 1, 2, 3, and 4, the lower ends of the left and right vertical frames 3 and 4 are placed on the upper surfaces of both end portions in the length direction of the lower frame 2, and the left and right ends of the upper frame 1 The part is connected to the expected surface of the upper end part of the left and right vertical frames 3 and 4.

In this specification, “outdoor side” and “indoor side” do not necessarily mean “outdoor” and “indoor”. That is, in addition to being actually located in “outdoor” and “indoor”, it is also used to indicate a relative positional relationship. For example, in a member or part extending in the indoor / outdoor direction, a part close to the outdoors is referred to as an outdoor part, and a part close to the indoors is referred to as an indoor part. Below, the structure of the lower frame 2 and the vertical frames 3 and 4 of a door frame is demonstrated in detail.

As shown in FIG. 2, the lower frame 2 includes an outdoor side finding surface 20, an indoor side finding surface 21, a building opening, and an upper surface extending in the opening width direction. The first surface portion 22 and the indoor-side second surface portion 23 are formed. The first surface portion 22 is an inclined surface extending downward and inclined outward, and the second surface portion 23 is a horizontal surface.

The second surface portion 23 is at a higher position than the first surface portion 22, and the rear end (indoor side end portion) of the first surface portion 22 and the front end (outdoor side end portion) of the second surface portion 23 are stepped recesses 24. Connected through. The recess 24 is formed from an indoor side portion of the first surface portion 22, a rising wall 240 that rises from an indoor side end portion of the first surface portion 22, and an outdoor side portion of the second surface portion 23.

The lower frame 2 includes an outdoor-side portion including an outdoor-side finding surface 20 and an outdoor-side first surface portion 22, and an indoor-side portion including an indoor-side finding surface 21 and an indoor-side second surface portion 23. . When the building opening is fully closed, the lower end surface 50 of the door body 5 is in close proximity to the first surface portion 22 of the outdoor part of the lower frame 2, and the lower end of the indoor-side finding surface 51 of the door body 5 is filled in the recess 24. It contacts the airtight / buffer member (not shown). The second surface portion 23 is located on the indoor side of the door body 5 in the fully closed state and is at a position higher than the lower end surface 50 of the door body 5.

As shown in FIG. 3, the vertical frames 3, 4 are provided with outdoor-side finding surfaces 30, 40, indoor-side finding surfaces 31, 41, and a prospective surface facing a building opening, respectively. It is formed of first outer surfaces 32, 42 on the outer side and second outer surfaces 33, 43 on the indoor side. The first appearance surfaces 32 and 42 and the second appearance surfaces 33 and 43 are vertical surfaces extending in the vertical direction. The second prospective surfaces 33 and 43 are located on the inner side with respect to the first prospective surfaces 32 and 42, and the rear end (indoor side end portion) of the first prospective surfaces 32 and 42 and the second prospective surfaces 33 and 43. The front end (outdoor side end) is connected via stepped recesses 34 and 44. The concave portions 34 and 44 are the indoor side portions of the first prospective walls 32 ′ and 42 ′, the outdoor side portions of the second prospective walls 33 ′ and 43 ′, and the indoor side ends of the first prospective walls 32 ′ and 42 ′. And bottom walls 340, 440 extending in the direction of finding from the first to the second prospecting walls 33 ', 43'.

The vertical frames 3 and 4 are the outdoor side part provided with the outdoor side finding surfaces 30 and 40 and the outdoor side first appearance surfaces 32 and 42, the indoor side finding surfaces 31 and 41, and the indoor side second expected surface. The indoor side part provided with 33,43. When the building opening is fully closed, the side end surfaces (probable surfaces) 52 and 53 of the door body 5 are in close proximity to the first prospective surfaces 32 and 42, and the widthwise end portion of the indoor side finding surface 51 of the door body 5 is a recess. It abuts against airtight / buffer members (not shown) filled in 34 and 44. The 2nd prospective surfaces 33 and 43 are located in the back surface (indoor side) of the door body 5 in a fully closed state.

The outdoor side portions of the vertical frames 3 and 4 further extend from the outer end portions of the outdoor side finding walls 30 'and 40' so as to face the first prospecting walls 32 'and 42', respectively. The pieces 35 and 45 are provided. The indoor side portions of the vertical frames 3 and 4 further extend from the outer end portions of the indoor side finding walls 31 ′ and 41 ′ so as to face the second prospecting walls 33 ′ and 43 ′, respectively. The pieces 36 and 46 are provided.

Similarly, it is understood by those skilled in the art that the upper frame 1 includes an outdoor-side finding surface, an indoor-side finding surface, and a lower surface facing the building opening, and the configuration of the upper frame 1 is the gist of the present invention. Therefore, detailed description is omitted. In addition, as a connection structure between the upper frame 1 and the left and right vertical frames 3 and 4, a conventional connection structure used in the knock-down method of the internal door frame can be employed.

As shown in FIGS. 2 to 4, the first fixing member 6 is mounted in a standing manner on the portion where the longitudinal frames 3 and 4 on both ends in the length direction of the first surface portion 22 of the lower frame 2 are mounted. Yes. The first fixing member 6 is seen in a plan view from side walls 60 and 61 extending in a facing direction in the expected direction and a front wall 62 extending in the finding direction and connecting the end portions on the outdoor side of the side walls 60 and 61. It has a substantially U shape. The lower half side of the side wall 60 on the side close to the opening is an extended portion 600 that extends to the indoor side in the expected direction, and the extended portion 600 reaches the portion of the second surface portion 23. A slit 601 extending horizontally in the expected direction is formed at the tip of the extension portion 600. The lower end on the proximal end side of the extending portion 600 is a stepped portion, and the lower end of the extending portion 600 extends horizontally from a position higher than the lower end of the side wall 60.

The lower ends of the side walls 60, 61 are inclined so as to correspond to the inclined surface of the first surface portion 22, and are connected to the first surface portion 22 (typically welding, but also by using an adhesive or the like) Good). Further, a water stop treatment is applied to the connection portion between the lower end of the side walls 60 and 61 and the first surface portion 22.

The first fixing member 6 is a portion on which the vertical frames 3 and 4 at both ends in the length direction of the second surface portion 23 of the lower frame 2 are placed via the slits 601 of the extending portion 600 of the first fixing member 6. Are engaged as described below.

The surface portion 230 is formed by cutting out a portion corresponding to the outdoor portion of the second surface portion 23 that forms the upper surface of the recess 24 at the end portion in the length direction of the second surface portion 23. Furthermore, a part of the upper half of the rising wall 240 (the end side) of the recess 24 whose upper side is notched is cut away to form the rising wall 241, and the edge of the rising wall 240 is located with respect to the rising wall 241. It is stepped. The surface portion 230 is formed with a first slit 231 that extends in an expected direction from an end edge (outdoor side end edge) formed by cutting. In a state where the lower ends of the side walls 60 and 61 are placed on the first surface portion 22, the lower end of the extending portion 600 of the first fixing member 6 is placed on the upper end of the rising wall 241 and forms the stepped portion. The slit 601 of the extending portion 600 of the first fixing member 6 is engaged with the first slit 231 of the surface portion 230.

The first fixing member 6 is connected to the lower frame 2 at the factory. When connecting the first fixing member 6 to the lower frame 2, first, the slits of the extending portion 600 of the first fixing member 6 with the lower ends of the side walls 60 and 61 being placed on the first surface portion 22. 601 is engaged with the first slit 231 of the surface portion 230. By engaging the first fixing member 6 with the indoor side portion of the lower frame 2, the first fixing member 6 is positioned with respect to the lower frame 2, and the lower end of the first fixing member 6 and the first position of the lower frame 2 in the factory are set. The welding operation with the upper surface of the first surface portion 22 can be performed efficiently.

Similarly to the lower ends of the side walls 60 and 61 of the first fixing member 6, the lower ends of the outdoor side portions of the vertical frames 3 and 4 are inclined so as to correspond to the inclined surface of the first surface portion 22. The dimension between the outer surfaces of the side walls 60 and 61 of the first fixing member 6 is substantially the same as the dimension between the inner surfaces of the first prospective walls 32 ′ and 42 ′ of the vertical frames 3 and 4 and the first outer prospective pieces 35 and 45. Yes, when the first fixing member 6 covers the outer side portion of the vertical frames 3 and 4 from the upper side and is externally fitted, the first fixing member 6 becomes the outdoor side portion of the vertical frames 3 and 4 (first prospective wall 32 ′). , 42 ′ are in contact with the inner surfaces of the outdoor side finding walls 30 ′, 40 ′ and the first outer expectation pieces 35, 45).

The first prospective walls 32 ′ and 42 ′ of the vertical frames 3 and 4, the first outer prospective pieces 35 and 45, and the side walls 60 and 61 of the first fixing member 6 are externally fitted to the outdoor side portion of the first fixing member 6. Screw holes 60A, 61A, and 42A (other holes are not shown) so that the lower ends of the outdoor side portions of the vertical frames 3 and 4 are in contact with the inclined surface of the first surface portion 22, respectively. Is formed. The lower part of the outdoor side part of the vertical frames 3 and 4 is fixed to the first fixing member 6 by using screws S1 and S2 screwed from the expected surfaces of the vertical frames 3 and 4.

The screw S1 is screwed into the first prospective surfaces 32 and 42 of the vertical frames 3 and 4, but the screw hole 60A is formed in the upper part of the side wall 60 of the first fixing member 6 (the side away from the lower frame 2). Thus, the influence of the splash of rain water from the first surface portion 22 of the lower frame 2 is minimized. Furthermore, since the screw S1 is concealed by the side end surfaces 52 and 53 of the door body 5 when the opening is fully closed, the influence of rainwater is minimized. The screw S2 is screwed from the first outer prospective pieces 35 and 45 of the vertical frames 3 and 4, but since the first outer prospective pieces 35 and 45 are embedded in the wall after the door frame is constructed, the screw S2 is It is not affected by rainwater.

Further, a first cutout portion 232 is formed by cutting out the indoor side portion of the surface portion 230, and a second cutout portion 233 is formed by cutting out the indoor side portion of the end portion in the length direction. The surface 230 is located on the building opening side with respect to the first slit 231 and is located immediately below the second prospective walls 33 ′ and 43 ′ of the vertical frames 3 and 4 and extends in the prospective direction. 234 is formed.

Inside the lower frame 2, a lower surface of the second surface portion 23 of the lower frame 2 is provided with a prospective wall 70 extending in the prospective direction in the vicinity of the second slit 234, and in a facing manner, extending in the finding direction. The second fixing member 7 formed in a U-shape in plan view is welded from the attached walls 71 and 72. The fixing of the second fixing member 7 to the lower frame 2 is performed in a factory, and the fixing means is not limited to welding, but may be bonding, fixing using a fastening member, or the like.

The lower end portions of the second prospective walls 33 ′ and 43 ′ of the vertical frames 3 and 4 are positioned at the tongue-shaped locking pieces 330 and 430 and the first notch portion 232 inserted into the lower frame 2 from the first slit 234. The first notch portions 332 and 432 and the second notch portions 333 and 433 are formed by notching so as to form the protruding pieces 331 and 431 to be formed. When the outdoor side portions of the vertical frames 3 and 4 are fitted on the first fixing member 6 and the lower ends of the vertical frames 3 and 4 are mounted on the first surface portion 22, The locking pieces 330 and 430 at the lower end extend into the lower frame 2 through the second slit 234 and approach or come into contact with the prospective wall 70 of the second fixing member 7. At this time, the lower edge formed by notching the first notch portions 332 and 432 and the second notch portions 333 and 433 comes into contact with the horizontal upper surface of the second surface portion 23. The projecting pieces 331 and 431 extend below the second surface portion 23 through the first cutout portion 232, and the second outer expected pieces 36 and 46 of the vertical frames 3 and 4 are second through the second cutout portion 233. It extends below the surface portion 23. Moreover, the lower end part of the bottom walls 340 and 440 of the recessed parts 34 and 44 also extends below the 2nd surface part 23, and is contacting so that it may overlap with the standing wall 240 of the recessed part 24 of the lower frame 2 (refer FIG. 2). .

On the locking pieces 330 and 430 formed at the lower ends of the second prospective walls 33 and 43 of the vertical frames 3 and 4 and the prospective wall 70 of the second fixing member 7, the indoor side portions of the vertical frames 3 and 4 are second. Receiving holes 330A, 430A, and 70A are formed so as to coincide with each other in the state of being mounted on the horizontal surface of the surface portion 23, and the locking pieces 330 and 430 at the lower ends of the vertical frames 3 and 4 are connected to the second by the screw S3. It fixes to the expectation wall 70 (pop nut S3 ') of the fixing member 7. FIG. Further, as is apparent from the height position of the receiving hole 330A shown in FIG. 2, the screw S3 is provided at a position higher than the upper surface of the first surface portion 22 of the outdoor side portion of the lower frame 2.

6 and 7 show another embodiment of the second fixing member. Constituent elements similar to those in FIGS. 2 to 5 are denoted by the same reference numerals, and the above description can be used for explanation of the constituent elements having the same reference numerals.

As shown in FIG. 6, the second fixing member 8 is formed in an L shape from a rising vertical piece 80 and a horizontal mounting piece 81, and the mounting piece 81 is welded onto the second surface portion 23. Yes. A notch portion 432 ′ is formed by notching the lower end portion of the second prospecting wall 43 ′ of the vertical frame 4 so as to form the protruding piece 431. In the surface portion 230, only the slit 231 is formed, and the slit 234 is not formed. Hereinafter, although the connection structure of the indoor side site | part of the vertical frame 4 and the lower frame 2 is demonstrated, the connection structure of the vertical frame 3 and the lower frame 2 is also the same.

When the lower end of the outdoor side portion of the vertical frame 4 is placed on the first surface portion 22, the lower edge of the notch portion 432 ′ contacts the horizontal surface of the second surface portion 23. The projecting piece 431 extends below the second surface portion 23 through the first cutout portion 232, and the second outer expectation piece 46 of the vertical frame 4 passes through the second cutout portion 233 and is below the second surface portion 23. Extend.

In a state where the indoor side portion of the vertical frames 3 and 4 is mounted on the horizontal surface of the second surface portion 23 on the lower portion of the second prospective wall 43 ′ of the vertical frame 4 and the vertical wall 80 of the second fixing member 8, Screw holes 80A and 43A are formed so as to coincide with each other, and the second prospective wall 43 of the vertical frame 4 and the vertical piece 80 of the second fixing member 8 are fixed by screws (not shown).

The present invention can be used for a knockdown method for an external door frame.

2 Lower frame 22 1st surface part 23 2nd surface part 3, 4 Vertical frame 32, 42 1st expected surface 33, 43 2nd expected surface 5 Door body 6 1st fixing member 7 2nd fixing member 8 2nd fixing member

Claims (3)

In the connection structure of the vertical frame and the lower frame in the external door frame,
The vertical frame is composed of an indoor side portion having an indoor side finding surface and an indoor side looking surface, and an outdoor side portion having an outdoor side finding surface and an outdoor side looking surface,
The lower frame is composed of an indoor side portion having a horizontal upper surface and an outdoor side portion having a downwardly inclined upper surface toward the outdoor side,
At the end in the opening width direction of the lower frame, a first fixing member is erected on the upper surface of the outdoor side part, and a second fixing member is provided on the indoor side part,
The lower part of the outdoor side part of the vertical frame is externally fitted to the first fixing member, and at least part of the lower end of the outdoor side part is in contact with the inclined upper surface of the outdoor side part of the lower frame, The lower part of the indoor side part of the vertical frame is fixed to the indoor side part of the lower frame with the lower part of the indoor side part fixed to the first fixing member by the first fastening member from the outdoor side expected surface. The second fixing member is fixed to the second fixing member with a second fixing member in a state of being in contact with the horizontal upper surface.
Connection structure of vertical frame and lower frame. The first fastening member is provided on the outdoor side expected surface facing the opening,
When the opening is fully closed, the door body is located at the outdoor side portion of the vertical frame and the lower frame, the first fastening member is concealed by the side end surface of the door body, and the second fastening member Is located on the indoor side of the door,
The connection structure of the vertical frame and lower frame of Claim 1.   The said 1st fixing member is provided with the extension part which reaches even the indoor side site | part of the said lower frame, The said extension part is engaged with the indoor side site | part of the said lower frame. Connection structure in any one.

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