JP3235052B2 - Watertight structure under the combination of double doors - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a watertight structure at a lower portion of a double door in which a main door and a sub door are attached to a door frame using a flat lower frame having a flat upper surface so as to be freely opened and closed.

[0002]

2. Description of the Related Art In a conventional double door, the upper surface of a lower frame constituting a door frame has a stepped shape having a door stop, and a lower horizontal watertight material attached to the door stop has a lower edge of a main door and a sub door. Although the lower edge of the door is in contact with and watertight, a flat lower frame having a flat upper surface does not have a door stop, so that the lower horizontal watertight material cannot be attached to the lower frame.

[0003] For this purpose, for example, Japanese Unexamined Patent Publication No. Hei.
As shown in Japanese Patent Application Publication No. 5 (1993) -195, a lower horizontal watertight material is attached to the lower part of the door so as to be movable up and down, and when the door is closed, the lower horizontal watertight material moves downward and presses against the upper surface of the lower frame so as to be watertight.

[0004]

In the case of a double door having a main door and a sub door, the space between the main door and the sub door is made watertight with a watertight material. When the lower horizontal door watertight material is attached to the lower part of the main door so that it can move up and down,
The lower horizontal main door watertight material, the combined watertight material and the lower horizontal subdoor watertight material attached to the lower part of the sub door are not continuous, and the watertightness of the lower part of the combined side is reduced.

Accordingly, an object of the present invention is to provide a combined watertight structure at the lower part of a double door which can solve the above-mentioned problem.

[0006]

According to the present invention, there is provided a door frame provided with a flat lower frame having a flat upper surface, and a double door comprising a main door and a sub door attached to the door frame. A watertight material for the lower horizontal main door, which is mounted movably up and down and presses against the upper surface of the lower frame when the main door is closed, and a watertight material for the lower horizontal sub door which is mounted at the lower part of the sub door and presses against the upper surface of the lower frame. A sealing watertight material attached to the mating frame of the sub door and pressed against the mating frame of the main door; and a lower watertight member attached to the lower portion of the mating frame of the sub door and pressed against the upper surface of the lower frame. Wherein the lower watertight member is attached to the lower part of the frame.
A girder attachment and the lower watertight material attached to this attachment
More made, combined lower watertight material was the召合attachment member and callings
It protrudes below the lower part of the frame and presses against the upper surface of the lower frame.
Was召合the top of the combined lower watertight material in contact watertight material, the lower
The watertight material for the horizontal main door is in contact with the left and right
Touch, the watertight material for the lower horizontal sub door is on the left
Double door, characterized in that it contacts the other side on the right
It is a watertight structure at the bottom of the combination.

[0007]

According to the present invention, the space between the main door and the lower frame is watertight with the watertight material for the lower horizontal main door, the space between the sub door and the lower frame is watertight with the watertight material for the lower horizontal sub door, The mating section of the main door and the sub door is watertight with the mating watertight material.

In addition, the lower portion of the watertight member at the lower portion
Watertight material shall protrude below the mounting part and the lower part of the staircase.
And press it against the upper surface of the lower frame.
Part, left and right side, left and right other side, watertight material, lower horizontal
The watertight material for the door and the watertight material for the lower horizontal sub door are in contact with each other
So, the watertight material for the lower horizontal door and the watertight material for the lower horizontal secondary door
Since the dense material is continuous with the assembling lower watertight material, a flat lower frame
Excellent watertightness at the bottom of the assemblage of double doors
Becomes

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS As shown in FIG. 1, a main door 5 and a sub door 6 are openably and closably mounted on a door frame 4 having an upper frame 1, a lower frame 2, and left and right vertical frames 3. Is composed.

The main door 5 has an upper frame 10, a lower frame 11, a hanging frame 12 and a combining frame 13 assembled in a square frame, and a panel 14 is mounted inside the frame. A hanging frame 12 of the main door 5 is attached to one of the vertical frames 3 by a hinge 15 so as to be rotatable out of the plane.

The sub-door 6 has an upper frame 20, a lower frame 21, a hanging frame 22, and a combining frame 23 assembled in a rectangular frame, and a panel 24 is mounted inside thereof. The hanging frame 22 of the auxiliary door 6 is attached to the other vertical frame 3 by a hinge 25 so as to be rotatable out of the plane.

The main door 5 is opened and closed when a person enters and exits. The sub door 6 is opened and closed at the time of loading and unloading of cargo, and is normally locked by a French drop 26.

As shown in FIG. 2, the upper frame 1 is integrally provided with a door stop 30 facing downward in the room on the lower surface 1a. Upper frame 10 (upper edge) and upper frame 20 (upper edge) of sub door 6
Are pressed against each other.

The lower frame 2 has an upper surface 2a as shown in FIG.
Is a flat flat lower frame. Specifically, lower frame 2
The upper surface 2a includes a horizontal indoor portion 32 and an outdoor vertical portion 33 inclined so that the outdoor side is lower than the horizontal. When the main door 5 and the sub door 6 are closed, the boundary portion 34 between the indoor leaning portion 32 and the outdoor leaning portion 33 substantially coincides with the door indoor side surfaces 5a and 6a.

A watertight material 35 for the lower horizontal main door is mounted on the lower frame 11 of the main door 5 so as to be vertically movable. Specifically, as shown in FIGS. 2 and 3, an outer case 36 is attached to the lower frame 11, and an inner case 37 is provided on the outer case 36 so as to be movable up and down. 35 is attached. One end of the leaf spring 38 in the longitudinal direction is connected to one end of the outer case 36 in the longitudinal direction, and the other end of the leaf spring 38 in the longitudinal direction is connected to a rod 39 provided near the other end of the outer case 36 in the longitudinal direction. The inner case 37 is biased and held upward by the leaf spring 38.
When the rod 39 is pushed, the leaf spring 38 bends and the inner case 37 moves downward. The rod 39 protrudes outward from the hanging frame 12. The structure for vertically moving the watertight material 35 for the lower horizontal main door is not limited to this structure, and may be a conventionally known structure.

As described above, when the main door 5 is closed, the rod 39 interferes with one of the vertical frames 3 and is pushed in, the plate spring 38 bends downward, and the inner case 37 is pushed down to make the lower horizontal door watertight. The member 35 is pressed against the outdoor portion 33 on the upper surface 2 a of the lower frame 2.

When the main door 5 is opened, the rod 39 is moved to one vertical frame 3
The leaf spring 38 is elastically restored in a straight line and moves the inner case 37 upward, and the watertight material 35 for the lower horizontal main door moves upward.

The mating frame 23 of the sub-door 6 has a mating projection 40 as shown in FIG. This assembling piece 40
Has a hook-like shape with a projecting piece 41 facing the indoor side and a transverse piece 42 facing the in-plane direction, and a joining watertight material 43 is attached to the transverse piece 42. When the main door 5 is closed with the sub door 6 closed, the indoor side surface 13 a of the mating frame 13 is pressed against the mating watertight material 43.

As shown in FIG. 5, a mating frame cap 44 is fitted to the lower portion of the mating frame 23 and fixed with screws 45 to close the hollow portion 23a. The lower part of the mating projection 40 is notched and removed, and the lower part of the mating watertight member 5
0 is attached. The lower water sealing member 50 is composed of an attachment body 51 made of a resin material and a block lower water sealing material 52 made of a relatively soft resin material.

The mounting body 51 has a concave portion 53, the concave portion 53 is fitted into the lower portion of the assembling projection 40, and a screw 55 is inserted through a hole 54 of the projection 41 as shown in FIG. It is screwed to 56 and fixed. The lower watertight material 52 is almost L
It is shaped like a letter and protrudes below the mounting body 51 and the mating frame 23 (the mating frame cap 44). When the sub door 6 is closed, the lower watertight material 52 is pressed against the upper surface 2 a of the lower frame 2.

As shown in FIG. 7, the watertight material 43 contacts the upper portion of the lower watertight material 52, and the watertight material 35 for the lower horizontal door of the main door 5 is located on the left and right sides of the lower watertight material 52. The watertight material 60 for the lower and lower subdoors of the subdoor 6 is in contact with the side surface, and is in contact with the other left and right side surfaces of the watertight material 52 at the lower part of the combination frame.

As shown in FIG. 8, the watertight material 60 for the lower horizontal sub door has a tongue-like shape, and is mounted in the concave groove 62 of the lower frame attachment 61 screwed to the lower frame 21.
Protrudes to the mating frame 23, and the lower horizontal sub door watertight material 60 is in contact with the left and right other side surfaces of the lower mating watertight material 52 continuously to the mating frame 23.

Because of this, the watertight material 3 for the lower horizontal main door
5 and the lower horizontal sub door watertight material 60 and the combined watertight material 43 are connected by the combined lower watertight material 52, and the combined lower watertight material 52 is pressed against the upper surface 2 a of the lower frame 2. And the sub-door 6 and the portion between the sub-door 6 and the lower frame 2, that is, the water-tightness of the lower portion of the sub-door 6 is excellent.

Since the sub-door 6 is opened and closed in a special case such as when loading or unloading luggage, the number of times of opening and closing is extremely small, and when the sub-door 6 is closed, the watertight material 60 for the lower horizontal sub-door is assembled. Even if the lower watertight material 52 is pressed against the upper surface 2a of the lower frame 2, the watertightness does not decrease even if they deteriorate early.

[0025]

According to the present invention, the space between the main door and the lower frame is watertight with the watertight material for the lower horizontal main door, and the space between the sub door and the lower frame is watertight with the watertight material for the lower horizontal sub door. The joining portion of the main door and the sub door is watertight with the joining watertight material. In addition, the lower part
The watertight material at the lower part of the mat is from the mounting part and the lower part of the mat.
Also project downward and press against the upper surface of the lower frame.
On the upper part of the dense material, one side on the left and right, the other side on the left and right
Material, watertight material for the lower horizontal main door, and watertight material for the lower horizontal secondary door
Because it is touching, the watertight material for the lower horizontal main door and the watertight material for the lower horizontal secondary door
And the consolidation watertight material are continuous with the consolidation bottom watertight material.
The watertightness of the lower part of the assemblage of the double door using the rat lower frame
It will be excellent.

[Brief description of the drawings]

FIG. 1 is an external appearance view of a double door showing an embodiment of the present invention.

FIG. 2 is a sectional view taken along line AA of FIG.

FIG. 3 is a perspective view showing a mounting structure of a watertight material for a lower horizontal main door.

FIG. 4 is a sectional view taken along line BB of FIG. 1;

FIG. 5 is an exploded perspective view of a mating frame and a watertight member at the bottom of the mating.

FIG. 6 is a perspective view of a state in which a mating frame and a watertight member at the lower part of the mat are attached.

FIG. 7 is an inside view of the lower part of the combination of the main door and the sub door.

8 is a sectional view taken along the line CC of FIG. 7;

[Explanation of symbols]

2 ... lower frame, 2a ... upper surface, 4 ... door frame, 5 ... main door, 6 ... sub door, 13 ... mating frame, 23 ... mating frame, 35 ... watertight material for lower horizontal main door, 40 ... mating Protruding piece, 43 ... assembling watertight material, 5
Reference numeral 0: lower sealing member, 51: mounting body, 52: lower sealing member, 60: lower horizontal auxiliary door sealing member.

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-7-305577 (JP, A) JP-A 63-111592 (JP, U) JP-A 60-112592 (JP, U) (58) Investigation Field (Int.Cl. ⁷ , DB name) E06B ^7/ 16-7/22

Claims (1)

(57) [Claims] 1. A door frame provided with a flat lower frame having a flat upper surface, and a double door comprising a main door and a sub-door mounted on the door frame, wherein the main door is attached to a lower portion of the main door so as to be vertically movable. When the door is closed, the watertight material for the lower horizontal main door that presses against the upper surface of the lower frame, the watertight material for the lower horizontal subdoor that is attached to the lower part of the subdoor and presses against the upper surface of the lower frame, and the mating frame of the subdoor mounted includes a召合not watertight material pressed against the mating stile callings main door, and the sub door callings combined stile <br/> attached to the lower allowed召合pressed against the lower frame the upper surface the lower watertight member, wherein The watertight material at the lower part of the assortment was attached to the lower part of the assortment frame.
From the mounting body and the watertight material at the bottom of the assembling attached to this mounting body
Made, from combined stile bottom lower watertight material was the召合attachment member and callings
Also project downward and press against the upper surface of the lower frame.
The sealing material contacts the upper part of the sealing material, and the sealing material for the lower horizontal door is on one side of the left and right sealing members.
Surface, and the watertight material for the lower horizontal sub door is
Characterized by contact with the left and right sides of the material
The lower part of the door is watertight.