JPH0754550Y2 - Airtight device for folding doors - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to an airtight device for a folding door.

(Prior Art) Today, a folding door device is often used as an opening / closing device for a frontage or as a partition of an indoor space, but the folding door device is required to be airtight. Not only to prevent the entry of rainwater and wind, but also to improve the heating and cooling effect, it is necessary to close the outside or the adjacent room in a sealed state, and to prevent noise, the above-mentioned airtightness Is being emphasized.

Conventionally, a technology has been known in which a highly elastic airtight material is attached to a folding door device along a rail, and when the folding door is closed, the airtight material adheres to the door surface to improve the airtightness. ing.

4a and 4b show a conventional example in which a folding door device is provided with an airtight member, and b shows an enlarged view of the section AA of a. In this way, since the airtight material (a) is in contact with the surface (c) of the door (b), the air entering the traveling rail (d) through the arrow is blocked by the airtight material (a). Can not enter the room. However, as shown in the figure, the airtight material (a) is in contact with the surface (c) of the door (b) to eliminate the gap, but a joint that flexibly connects the doors (b), (b) ... A slight gap is generated in the part. FIG. 6B shows a gap generated between the airtight material (a) and the joint portion (e), and a slight amount of air flows in and out through the gap, so that a sufficient effect can be obtained in the conventional airtight device. I can't.

(Purpose of the present invention) As described above, even if the conventional folding door device is provided with the airtight material, a slight gap is generated between the folding door device and the joint portion, and air enters through the gap. The present invention aims to solve this problem, and provides an airtight device having higher airtightness.

(Structure of the present invention) The airtight device of the folding door of the present invention has the following features in order to further improve the airtightness.

The basic form of the folding door which is the subject of the present invention is the same as the conventional type, and a plurality of doors are connected in a bendable state via a joint portion, and the main joint portion is arranged every other one. A connecting rod is extended above and the running tool attached to the upper end of the connecting rod can run along the upper rail. Shaft washers are attached to the upper and lower ends of the main joint part and the sub-joint part that is kicked out of the rail when folded to prevent the joint parts from coming off. One piece is protruding. The present invention has the first feature that the position of the airtight member is set to the shaft washer attachment position by attaching the cover piece. Therefore, the airtight material is provided along the position where the shaft washer and the inner surface of the cover piece come into contact with each other. If necessary, another airtight member is also provided along the conventional position, that is, a position where it is abutted on the surface of the upper end portion of the door, thereby forming an airtight device having a double structure. Here, the airtight material may be any material as long as it has elasticity and can be brought into close contact with the door surface and the cover piece without forming a gap. Also, the folding door device is not only a flat surface when closed, but also a curved surface. It is also applicable when

Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.

(Embodiment) FIG. 2 shows a general folding door device, in which a plurality of doors 1a, 1b, 1c ... Includes main joint portions 2a, 2b.
3b ... are connected in a bendable state, and the main joint portion 2a,
A running tool 6 is attached to the upper ends of 2b, the pulling bar frame 4, and the hanging base frame 5, and these running tools 6, 6 ... Hang each door 1a, 1b, ... There is. A main slider 9 and a sub slider 10 projecting from the lower ends of both joint portions 2a, 2b ..., 3a, 3b ... Are guided to the lower rail 8.

FIG. 1 is an enlarged vertical sectional view of FIG. 2, in which the runners 6 are mounted on both rail pieces 11a and 11b of the upper rail 7 so that they can roll and move. The connecting rod 12 extends downward, and the main joint portion 2 is fixed to the lower end of the connecting rod 12 via a shaft washer 13. Then, the rail pieces 11a, 1
The guide pieces 14a and 14b extend below 1b, and the seal material 15 is attached to the inside of the lower end of the guide piece 14a.
The first airtight material 16 is attached to the inside of the lower end of 14b,
The sealing material 15 and the first airtight material 16 are in contact with both surfaces 17a, 17b of the doors 1a, 1b ... And the main joint portions 2a, 2b ... And the sub joint portions 3a, 3b. The sealing material 15 is also attached to the conventional folding door device, and has a function of preventing the entry of wind and rain from the outside, and the first airtight material 16 is also the air that has entered the upper rail 7 inside the room. Prevent entering. Here, the first airtight member 16 is made of a material having a high elasticity, and its cross section is V-shaped and its tip is in contact with the surface 17b. Absent. Further, in the present invention, in addition to the first airtight material 16, a second airtight material 18 is provided above the first airtight material 16.

FIG. 3 shows the first airtight member 16 and the second airtight member 18 provided along the surface 17b side, both of which are provided along the upper rail 7, but the first airtight member 16 has the guide piece 14b. On the other hand, the second airtight member 18 is attached to the tip of the rail piece 11b and extends downward. Cover pieces 19a, 19b ... on the upper ends of the doors 1a, 1b.
Project upwards and its surface 20 is the surface 21 of the shaft washer 13.
The second airtight material 18 is in contact with these surfaces 20 and 21 without a gap. Of course, the first airtight member 16 is made of a material having high elasticity so that no gap is formed. Even if the first airtight member 16 and the second airtight member 18 are curved upper rails 7, the doors 1a, 1b ...
Gently touch it to minimize the formation of gaps.

Intrusion of wind and rain enters the upper rail 7, and doors 1a, 1b ... and joints
2a, 2b ... 3a, 3b ... naturally enter not only from the upper part but also from the lower part thereof. As shown in FIG. An airtight material 22 and a second airtight material 23 are provided. The first airtight material 22 is
The main slider 9 and the sub-slider 10 are in contact with the joint portions 2 and 3 to which the main slider 9 and the sub slider 10 are attached, and the lower end surface 17b of the door 1, and the second airtight material 23 is located above the first airtight material 22 and is in contact with the surface 17b. .
The first airtight material 22 and the second airtight material 23 are provided along the lower rail 8, and a space 24 is formed between the airtight materials 22 and 23.

The present invention is intended for the airtight device on the side of the upper rail 7,
Since the structure of the airtight device on the side of the lower rail 8 is not limited, it is free to adopt an airtight device other than that shown in FIG.

By providing such an airtight device in the folding door device, the following effects can be obtained.

(Effects) (1) The second airtight member, which is the airtight device of the present invention, is installed along the position of the shaft washer attached to the upper end of the joint portion, and the cover piece is projected at the upper end of each door to form the shaft washer. Since they are formed so that they form the same surface and can contact these surfaces, the air that has entered the upper rail is completely blocked by this second airtight material, and is affected by the hinge gap of the joint part. Without it, the airtightness of the folding door device becomes very high.

(2) Further, in the present invention, by providing the first airtight material in addition to the second airtight material, the airtightness is further improved, and even in the case of the folding door device that opens and closes in a curved manner, both airtight materials are provided. The above airtightness can be sufficiently secured by using.

(3) Since the second airtight member is arranged so as to hang downward from the rail piece and is in contact with the surfaces of the cover piece and the shaft washer, even if the wind and rain enters, the wind and rain is blocked, and especially rainwater Since it has a shape that flows to the outside, it is possible to prevent rainwater from entering the first airtight material as much as possible. Further, even if rainwater enters, the slight amount of rainwater is completely blocked by the first airtight material, and the effect of watertightness can be sufficiently secured.

[Brief description of drawings]

FIG. 1 is a sectional view of a folding door provided with the airtight device of the present invention.
FIG. 2 shows a general folding door device, FIG. 3 shows a concrete example of the airtight device arranged at the upper end of the folding door, and FIG. 4a shows a conventional airtight device, and FIG. 4A and 4B respectively show enlarged sectional views taken along the line AA of FIG. 4A. 1 ... Door, 2 ... Main joint part, 3 ... Sub joint part, 4 ... Puller frame, 5 ... Suspension frame, 6 ... Running tool, 7 ... Upper rail,
8 ... Lower rail, 9 ... Main slider, 10 ... Secondary slider, 11 ... Rail piece, 12 ... Connecting rod, 13 ... Shaft washer,
14 …… Guide piece, 15 …… Seal material, 16,22 …… First airtight material, 17,20,21 …… Surface, 18,23 …… Second airtight material, 19 ……
Cover piece, 24 ... Space section.

Claims (2)

[Scope of utility model registration request] 1. A folding door device in which a plurality of doors are foldably connected to each other via a joint portion and is suspended by a traveling tool that rolls and moves on an upper rail, and a shaft washer fixed to an upper end of the joint portion is provided. A cover piece that is flush with the indoor surface is formed on the upper end of each door so that the shaft washer and the airtight material that contacts the indoor surface of the cover piece are attached along the upper rail. Airtight device. 2. A folding door device in which a plurality of doors are foldably connected to each other via a joint portion and is suspended by a traveling tool that rolls and moves on an upper rail, and a shaft washer fixed to an upper end of the joint portion is provided. A cover piece that is flush with the indoor surface is formed on the upper end of each door, and the airtight material that contacts the shaft washer and the indoor surface of the cover piece is attached along the upper rail. Another airtight member is attached along the upper rail, and the tip of the airtight member is arranged so as to be in contact with each door and the joint portion.