JP2732208B2 - Airtight structure of sash window - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an airtight structure for a sash window, such as a sliding window or an externally moving window.

[0002]

2. Description of the Related Art As an airtight structure of a joining portion of a sliding window and an inner sliding frame of an inner sliding door in a sliding window, as shown in Japanese Utility Model Publication No. 63-45508, for example, It is known that a groove is formed in an indoor vertical plate of a frame, an airtight material is attached to the groove, and the airtight material is pressure-bonded to an indoor vertical plate of an inner frame. .

[0003]

The above hermetic sealing material is fitted into the groove, or is fitted and adhered with an adhesive to be mounted on the outer mating frame. It may hang down along the groove, and if the airtight material hangs down in this way, it may not be possible to properly airtightly seal between the outer mating frame and the inner mating frame.

In the above-mentioned Japanese Utility Model Publication No. 63-45508, an airtight material is attached to a lower sliding block attached to an outer frame, and the airtight material and the airtight material are connected. However, since this airtight material is thin and has a weak waist, the airtight material is deformed when the airtight material hangs down as described above. There is a case where the air cannot be sealed properly.

SUMMARY OF THE INVENTION It is an object of the present invention to provide an airtight structure for a sash window that can solve the above-mentioned problem.

[0006]

In the sash window in which the inner sash B and the outer sash C are mounted on the window frame A, the room extends over the entire length in the longitudinal direction of the indoor vertical board 5 of the outer frame 4 of the sash S. An inwardly open groove is formed, and the airtight material 13 is mounted over the entire length in the longitudinal direction of the groove toward the outdoor vertical plate 2 of the inner mating frame 1 of the inner sash B, and the outer dressing is performed. The lower sliding block 40 attached to the lower part of the joint frame 9 has a protruding horizontal piece 42 protruding from the indoor vertical plate 5 to the indoor side, and a lower protruding piece 43 provided on the indoor side of the protruding horizontal piece 42. The lower end surface 13a of the airtight material 13 is in contact with the protruding lateral piece 42, and the lower protruding piece 43 is in contact with an outdoor lateral piece 45 provided on the lower frame 20 of the window frame A. 45, a notch 45a was formed in a portion facing the lower protruding piece 43 in the closed state of the outer sliding door C. Calling combined unit airtight structure of the sash window, characterized and.

[0007]

[Operation] Since the lower end surface 13a of the sealing airtight material 13 mounted over the entire length of the outer mating frame 4 is in contact with the protruding horizontal piece 42 of the lower sliding block 30, the sealing airtight material 1 is provided.
3 can be prevented from hanging down, and the joining portion of the inner sash B and the outer sash C can be reliably airtight. In addition, the lower protruding piece 43 of the lower sliding block 40 is connected to the outdoor side piece 45 of the lower frame 20.
When the outer sash C is moved, the lower projection 43 slides along the outdoor side piece 45 to serve as a guide when the outer sash C is moved, and is pressed by wind pressure when the outer sash C is moved. Also, since the airtight material 13 does not move to the indoor side, the airtight material 13 does not come into contact with the inner shoji B, and it is possible to prevent the inner shoji B from moving in the case of a sliding window. Further, when the outer sash is closed, the lower protruding piece 43 is formed by the notch 45 a of the outdoor side piece 45.
The outer sash is movable to the indoor side, and the outer sash is drawn to the indoor side so that the airtight material 13 can be pressed against the inner sash of the inner sash. Nothing.

[0008]

[Embodiment] As shown in FIG. 1, a sliding window serving as a sash window is formed by mounting an inner sash B and an outer sash C on a window frame A so as to be movable in an in-plane direction, as shown in FIG. An inner chimney 3 is formed integrally with the outdoor vertical plate 2 of the inner sliding frame 1 of the inner sliding door B, and the outer combining frame 4 of the outer sliding door C is formed of the indoor vertical plate 5 and the outdoor vertical plate 6. The inside and outside connecting vertical plates 7 and 8 have a cross section having a hollow portion 9, and the indoor vertical plate 5 is formed with an outside smoke return 10 and first and second grooves 11 and 12, and the first groove 11 is formed. , An airtight material 13 is mounted, and a draining material 14 is mounted in the second groove 12.

As shown in FIG. 3, the upper frame 15 constituting the window frame A has inner and outer upper rails 16 and 17, and the inner upper rail 16 has first and second upper horizontal airtight members 18, The lower frame 20 constituting the window frame A has inner and outer lower rails 21 and 22, and the first and second lower horizontal airtight members 23 are provided below the inner lower rail 21. , 24 are attached to the outdoor side, and the outdoor vertical plate 25 of the upper frame 25 and the lower frame 26 of the inner shoji B
a and 26a are the second upper horizontal airtight material 19 and the first lower horizontal airtight material 23
To the upper frame 27 and the lower frame 27 of the lower frame 28
a, 28a are the first upper horizontal airtight material 18 and the second lower horizontal airtight material 24
To be pressed against.

As shown in FIG. 4, an upper sliding block 30 is fitted to and attached to the upper part of the hollow portion 9 of the outer joining frame 4, and the upper sliding block 30 has a concave portion 31 opened in the upper surface 30a. The recess 31 faces the outer upper rail 17 shown in FIG. 3, and the upper protrusion 32 is integrally provided above the indoor surface 30 b of the upper sliding block 30.
The upper protruding piece 32 has a hook-like shape with a mounting base portion 32a and a vertical portion 32b, and has a downward groove 33 between the indoor surface 30b of the upper sliding block 30. When the upper projection piece 3 is fitted into the hollow portion 9 from above,
The second mounting base 32a fits into a notch 5a formed on the upper end surface of the indoor vertical plate 5 of the outer frame 4 and the groove 33 fits into the indoor vertical plate 5, and the vertical portion 32b is shown in FIG. And protrudes inwardly, facing the outdoor vertical plate 2 of the inner frame 1.

As shown in FIG. 4, a lower sliding block 40 is fitted and attached to a lower portion of the hollow portion 9 of the outer joining frame 4 and a lower concave portion 41 is provided on a lower surface 40a of the lower sliding block 40. A downwardly facing recess 41 is formed so as to face the outer lower rail 22 of the lower frame 20 shown in FIG.
Are integrally formed, and a lower protruding piece 43 is integrally provided upwardly near the room of the protruding horizontal piece 42 so as to form the indoor surface 40.
b, an upward groove 44 is formed.

When the lower sliding block 40 is fitted and mounted in the hollow portion 9 of the outer frame 4, the protruding lateral piece 42 and the lower protruding piece 43 protrude from the indoor vertical plate 5 to the indoor side, and the lower protruding piece 4
3 is an outdoor facing horizontal piece 4 of the lower frame 20 as shown in FIGS.
5, the lower end surface 13a of the airtight material 13 and the lower end surface 14a of the drainage material 14 are in contact with the protruding horizontal piece 42 to prevent the hanging member 42 from sagging.

Since the lower projection 43 of the lower sliding block 40 is in contact with the outdoor side piece 45 of the lower frame 20,
When moving the outer sash C, the lower protruding piece 43 slides along the outdoor facing lateral piece 45 to serve as a guide,
Even when the outer sash (C) is moved by the wind pressure, the outer sash (C) is not moved to the indoor side, so that the inner airtight material (13) and the drainer (14) can be prevented from contacting the inner sash (B) and moving the inner sash (B). A notch 45a is formed at the center of the lower frame 20 in the longitudinal direction of the outdoor-facing horizontal piece 45 so that when the outer sash C is closed, it can be drawn to the indoor side.

When the inner sash B is pulled to the outside of the room by a negative pressure, the inner sash B hits the upper projection 32 of the upper sliding block 30 and the inner sash B can be supported by the outer sash C.

When the inner shroud B and the outer shroud C are closed, the upper protruding piece 32 and the lower protruding piece 43 face each other with a slight gap from the outdoor vertical plate 2 of the inner frame 1 so that the inner and outer shrouds are closed. B,
When C moves to the indoor side and the outdoor side due to wind pressure and negative pressure, the upper and lower protrusions 32 and 43 come into contact with the outdoor vertical plate 2 of the inner frame 1 and the inner frame 1 and the outer frame 9. Since the upper and lower portions are integrated to increase the strength, the wind pressure resistance is improved.

[0016]

According to the present invention, since the lower end surface 13a of the sealing airtight material 13 attached over the entire length of the outer mating frame 4 is in contact with the protruding horizontal piece 42 of the lower sliding block 30, the sealing airtight material 13 is provided. Can be prevented from sagging.
The sealing part can be airtight. In addition, the lower protruding piece 43 of the lower slide block 40 is connected to the outdoor side piece 4 of the lower frame 20.
5, the lower protruding piece 43 slides along the outdoor side piece 45 when moving the outer sash, and is pressed by wind pressure when the outer sash C is moved. However, since the airtight material 13 does not move to the indoor side, the airtight material 13 does not come into contact with the inner shoji B.
Can be prevented from moving. In a state where the outer sash is closed, the lower protruding piece 43 is notched 45
Since it is opposed to a, the outer sash can move indoors,
Since the outer sash can be drawn into the room and the airtight material 13 can be pressed against the inner sash of the inner sash, the airtightness of the summing portion is not impaired.

[Brief description of the drawings]

FIG. 1 is a front view of a sash window.

FIG. 2 is a cross-sectional view of a sash window.

FIG. 3 is a longitudinal sectional view of a sash window.

FIG. 4 is an exploded perspective view of the outer frame.

FIG. 5 is a vertical cross-sectional view of a portion of the outer assembling frame to which a sealing airtight material is attached.

[Explanation of symbols]

A: window frame, B: inner sash, C: outer sash,… inner sash,
2 ... Outdoor vertical board, 4 ... Outdoor dressing frame, 5 ... Indoor vertical board, 13
... airtight material, 13a ... lower end face, 30 ... lower sliding block, 32 ... protruding horizontal piece.

Claims (1)

(57) [Claims] 1. A sash window in which an inner sash B and an outer sash C are mounted on a window frame A, and the sash window is opened to the indoor side over the entire longitudinal length of the indoor vertical board 5 of the outer sash 4 of the outer sash . A groove is formed, and the airtight material 13 is attached to the outdoor vertical plate 2 of the inner frame 1 of the inner sash B over the entire length of the groove in the longitudinal direction . the lower sliding block 40 which is attached to the lower, the projecting crosspiece 42 which projects to the indoor side from the interior vertical plate 5, provided in a room near the projecting crosspiece 42
A shape having a lower projecting piece 43, to the projecting crosspiece 42 against the lower end surface 13a of the召合airtight member 13, the lower protruding piece
43 is connected to the outdoor side piece 45 provided on the lower frame 20 of the window frame A.
Then, in the closed state of the outer sliding door C at the outdoor facing side piece 45,
A joining portion of a sash window , wherein a notch 45a is formed in a portion facing the lower projecting piece 43 .