JP2885362B2 - Ventilation system of pull sash - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilator for opening and closing a ventilation port provided on an upper frame by operating an operation block provided on a vertical frame of a pulling sash.

[0002]

2. Description of the Related Art Generally, as a ventilating device for a draw sash, a ventilating device provided on a sash frame is known.
For example, Japanese Utility Model Laid-Open No. 3-68292 and Japanese Utility Model Laid-Open No. 4-198.
No. 9 and Japanese Unexamined Utility Model Publication No. Hei 4-27090, an operation unit is provided on a vertical frame, and components other than those necessary for operation to improve the appearance are arranged in the vertical frame, and are externally provided. It is configured not to be exposed. For example, FIG. 2 of Japanese Utility Model Laid-Open Publication No. 4-27090 discloses an example in which an operating device 11, a connecting plate 64, an operating rope (12), a guide pulley (10) and the like are inserted and arranged in a vertical frame 9. Have been.

[0003]

However, if such a configuration is adopted in which most of the parts necessary for the operation are accommodated in the vertical frame, for example, the operation rope may be cut off, may come off the guide pulley, or the operation device may break down. Sometimes the repair work is very cumbersome and the sash frame must be disassembled and the vertical frame removed.

Similarly, it is necessary to form an opening for installing an operation device in the vertical frame. In addition, it takes time and effort to insert and install the above-described components in the vertical frame. When assembling, it is troublesome to assemble the vertical frame in which predetermined parts are incorporated into the upper frame.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems and to provide a ventilation device for a pull-over sash which can easily perform maintenance such as repair and assembling work of the sash, and requires minimum processing on a vertical frame. I do.

[0006]

In order to solve the above problems, a ventilation device for a pulling sash according to the present invention has a rectangular sash frame composed of upper and lower frames and a vertical frame, and a ventilation port is provided in the upper frame. And a ventilation plate provided with an operation block connected to the opening / closing device via an operation rope in the vertical frame, and having the following requirements. It is characterized by. (B) The upper frame is composed of an upper frame main body and an upper frame auxiliary frame detachably provided at a lower portion thereof, and the guide pulley of the operation rope is attached to the upper frame auxiliary frame. (B) The vertical frame (C) An operation rope wrapped around the guide pulley is arranged along the guide protrusion along the longitudinal direction of the inner side surface of the guide pulley. ) The operation block connected to the other end of the operation rope is slidably mounted on the guide ridge.

Preferably, the opening and closing plate and the opening and closing device are also attached to the upper frame auxiliary frame.

It is preferable that the guide pulley is incorporated in a door stop block attached to the upper frame auxiliary plate.

Further, it is preferable that the operation rope is configured to be inserted into the cylindrical elastic body held by the guide ridge on the side of the vertical frame.

[0010]

1 and 2 are a longitudinal sectional view and a transverse sectional view, respectively, of a pulling sash, and reference numeral 1 indicates a sash frame. The sash frame 1 is framed in a rectangular shape by upper and lower frames 2 and 3 and a vertical frame 4 made of extruded members of aluminum or its alloy, and is fixed to the peripheral edge a of the opening S of the building.
Inside the sash frame 1, a sliding shoji 5 and a screen door 6 are slidably housed.

The sash frame 1 is provided with a ventilation device. As shown in FIG. 3, this ventilating device is provided with a vent 8, an opening / closing plate 9 of the vent 8 and its opening / closing device 10 in the upper frame 2, and an operating rope 11 on the opening / closing device 10 in the vertical frame 4. And an operation block 12 connected via the control block.

The upper frame 2 comprises an upper frame main body 2a and an upper frame auxiliary frame 2b detachably provided below the upper frame main body 2a. As shown in detail in FIGS. 4 (a) and 4 (b), a recess 13 is formed in the center of the lower surface of the upper frame body 2a,
A ridge 14 is formed on one inner wall of 3. The upper frame auxiliary frame 2b has a pair of sash guide edges 16 formed below the band plate portion 15 having the same length as the upper frame main body 2a, and a hook-shaped protruding edge 17 formed above the band plate portion 15. In addition, a fitting groove 18 for the opening / closing plate 9 facing each other is formed inside the projecting edges 17 on both sides, and a fitting groove 19 is also formed outside the one projecting edge 17. To the recess 13 of the upper frame body 2a.
And is fixed to the upper frame body 2a by fixing the opposite side with a screw 20.

The upper frame auxiliary frame 2b is provided with a ventilation opening 8 of a ventilation device, and the upper frame auxiliary frame 2b is provided with an opening / closing plate 9 for the ventilation opening 8 and an opening / closing device 10 thereof. A guide pulley 21 is provided for guiding the operation rope 11 connected to the device 10 around the vertical frame 4 by winding the operation rope 11 around the operation rope 11. The opening / closing plate 9 is constantly urged in the closing direction by a tension spring 33. The opening / closing plate 9 and the opening / closing device 10 are the same as those indicated by reference numerals 7 and 8 in Japanese Utility Model Laid-Open Publication No. 4-27090, respectively, and the description thereof is omitted here. Further, the opening / closing plate 9 and the opening / closing device 10 may be attached to the upper frame main body 2a.

The guide pulley 21 is rotatably supported by a support block 22. As shown in FIGS. 4 (a) and 4 (b),
The support block 22 is formed to have a size to be fitted between the pair of sash guide edges 16 of the upper frame auxiliary frame 2b, and has engagement claws 23 formed on both side surfaces. The engagement holes 24 formed in the sash guide edge 16 corresponding to
, Whereby the support block 22 is attached to the upper frame auxiliary frame 2b. A notch groove 25 is formed in the support block 22 so that the operation rope 11 wound around the guide pulley 21 can be lowered.

It is preferable that the end of the support block 22 be assembled so as to abut on the inner surface of the vertical frame 4 to form a door stop block.

Next, the vertical frame 4 has a vertical frame main body 4a having a mounting edge 27 formed outside the base edge 26, and a locking edge 29 for locking to a locking receiving portion 28 formed on the mounting edge 27. A base edge 26 and a mounting edge 27 are screwed to the opening peripheral edge a. A guide ridge 30 is formed on the inner surface of one of the vertical frames 4 along the longitudinal direction. The guide ridge 30 is shown in FIG. 5 (a) (b)
As shown in the figure, the tip is bent outwardly to form a substantially C-shaped cross section.
A space is formed inside the space. The upper end of the guide ridge 30 is cut out by the height of the operation block 12 described below. The cross-sectional shape of the tip of the guide ridge 30 is U-shaped,
It may be L-shaped or the like.

As shown in FIG. 6, an operation block 12 is connected to a hanging end 11a of the operation rope 11. It is preferable that the operation rope 11 is inserted into a cylindrical elastic body 31 made of rubber, synthetic resin, or the like. The outer diameter of the elastic body 31 is formed slightly larger than the space of the guide ridge 30. The operation block 12 is provided with a slide groove 32 having substantially the same shape as the cross section of the guide protrusion 30 and a protrusion 33 for stopping the end of the operation rope 11 as shown in FIG. The operation block 12 is pushed from a notch 30a (see FIGS. 1 and 3) at the upper end of the vertical frame 4, and is fitted by fitting the sliding groove 32 into the guide ridge 30 as shown in FIG. Further, after the operation block 12 is slid downward until the operation rope 11 is stretched, the cylindrical elastic body 31 is pushed into the guide cylindrical space as shown in FIG. Assemble as in 3.

When operating the ventilator, the operation block 12 is slid up and down so that the opening / closing device 10 moves the opening / closing plate 9 via the operation rope 11 in the direction in which the ventilation opening 8 opens or closes. Good. As described above, since the operation of the ventilator can be performed by sliding the operation block 12 upward or downward along the guide ridge 30, opening and closing operations are easy.

According to the ventilation device having the above structure, the guide pulley 2
1 is attached to the upper frame auxiliary frame 2b.
If the guide pulley 21 comes off the guide pulley 21 or the guide pulley 21 itself has a problem, the upper frame auxiliary frame 2b can be removed together with the screw 20 from the upper frame main body 2a and easily repaired. Maintenance is easy.

Since the operation rope 11 and the operation block 12 as well as the guide pulley 21 are all mounted outside the vertical frame 4, the processing of the vertical frame 4 is almost eliminated, and the work of assembling parts into the vertical frame 4 becomes unnecessary. Repair and maintenance of parts can be performed without being affected by (4).

The sash frame 1 is assembled by an upper frame main body 2 separate from the upper frame auxiliary frame 2b to which the guide pulley 21 is attached.
a and the vertical frame 4 that does not require the operation rope 11 and the operation block 12 to be assembled in advance.
The work of assembling the sash frame 1 is greatly facilitated.

Further, the operating rope 11 wound around the guide pulley 21 is guided along the guide ridge 30 of the vertical frame 4, but since the guide ridge 30 is bent to the outdoor side, it can be operated from the indoor side. The rope 11 is difficult to see, and the introspection is not impaired.

Since the operation rope 11 is inserted into the cylindrical elastic body 31, the cylindrical elastic body 31 is held in the space of the guide ridge 30, and the operation rope 11 is not exposed to the outside. The operability is good because the appearance is not impaired and the operation rope 11 is prevented from jumping out.

In this regard, the holding of the operation rope 11 does not have to be constituted by the tubular elastic body 31. For example, the guide ridge 3 is detachably locked to the guide ridge 30 like a ridge.
A configuration may be adopted in which the opening of the space formed by 0 is closed. Any configuration may be used as long as the operation rope 11 is held in the space formed by the guide ridge 30.
Further, it is more preferable that the operation rope 11 is not exposed to the outside.

By the way, together with the guide pulley 21, the opening / closing plate 9
And the opening and closing device 10 are also attached to the upper frame auxiliary frame 2b, so that the assembling work of the sash frame 1 is further facilitated, and all the operation adjustment can be completed when the sash frame 1 is attached to the upper frame auxiliary frame 2b. There is no need to adjust after mounting on In addition, by removing the upper frame auxiliary frame 2b, it is possible to easily perform maintenance, inspection, cleaning, and the like of almost all the ventilation device components.

Further, the guide pulley 21 is incorporated in a door stop block attached to the upper frame 2 auxiliary plate, so that the guide pulley 21 can be stably mounted and the guide pulley 21 can be fixed.
Can be reliably positioned, no new mounting member is required, and assembly to the sash is easy.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view of a pulling sash provided with a ventilation device according to the present invention.

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

FIG. 3 is an overall configuration diagram of the ventilation device.

FIGS. 4A and 4B are a front view and a bottom view showing an upper frame, an upper frame auxiliary frame, and an assembled state of a guide pulley.

FIGS. 5 (a) and 5 (b) are explanatory diagrams showing a state in which an operation rope and an operation block are attached to guide ridges of a vertical frame, respectively.

FIG. 6 is an explanatory diagram of an operation rope, a cylindrical elastic body, and an operation block arranged on the vertical frame side.

[Description of Signs] 1 Sash frame 2 Upper frame 2a Upper frame main body 2b Upper frame auxiliary frame 4 Vertical frame 8 Ventilation opening 9 Opening / closing plate 10 Opening / closing device 11 Operating rope 12 Operating block 21 Guide pulley 30 Guide ridge

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-50-103152 (JP, A) JP-A-4-27090 (JP, U) JP-A-4-1989 (JP, U) 2763 (JP, Y1) (58) Field surveyed (Int. Cl. ⁶ , DB name) E06B 7/10

Claims (4)

(57) [Claims] 1. A sash frame is framed from an upper and lower frame and a vertical frame, and a ventilation opening, a ventilation opening / closing plate and an opening / closing device are provided in the upper frame, and the vertical frame is provided with the opening / closing device. A frame ventilation device provided with an operation block connected via an operation rope, wherein the ventilation device for a pulling sash has the following requirements. (B) The upper frame is composed of an upper frame main body and an upper frame auxiliary frame detachably provided at a lower portion thereof, and the guide pulley of the operation rope is attached to the upper frame auxiliary frame. (B) The vertical frame (C) An operation rope wrapped around the guide pulley is arranged along the guide protrusion along the longitudinal direction of the inner side surface of the guide pulley. ) The operation block connected to the other end of the operation rope is slidably mounted on the guide ridge. 2. The ventilation device according to claim 1, wherein the opening / closing plate and the opening / closing device are attached to the upper frame auxiliary frame. 3. The sliding sash ventilation device according to claim 1, wherein the guide pulley is incorporated in a door stop block attached to the upper frame auxiliary plate. 4. The ventilation device for a pulling sash according to claim 1, wherein the operation rope is inserted into a cylindrical elastic body held on the guide ridge on the side of the vertical frame.