JPH09112152A - Ventilating device for double sliding sash - Google Patents

Abstract

PROBLEM TO BE SOLVED: To facilitate maintenance such as repair and assembling work of a sash and minimize processing for a vertical frame. SOLUTION: A ventilating opening 8, an opening and closing plate 9 and an opening and closing device 10 are provided on an upper frame 2, and an operation block 12 connected through an operation rope 11 is set on a vertical frame 4. The upper frame 2 is constituted of an upper frame body and an upper frame auxiliary frame 2b, and a guide pulley 21 of the operation rope 11 is attached to the upper frame auxiliary frame 2b. Along the longitudinal direction of the inside face of the vertical frame 4, a guide projection line whose edge is bent and formed in the side of the outdoors is formed. The operation rope 11 on the guide pulley 21 is moved along the guide projection line. The operation block 12 is slidably attached to the guide projection line.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a ventilation device for opening and closing a ventilation opening provided in an upper frame by operating an operation block provided in a vertical frame of a double-pull sash.

[0002]

2. Description of the Related Art In general, as a ventilation device for a sliding sash, a ventilation device provided on a sash frame is known.
For example, Japanese Utility Model Publication No. 3-68292 and Japanese Utility Model Publication No. 4-198.
As disclosed in Japanese Patent Publication No. 9 and Japanese Utility Model Application Laid-Open No. 4-27090, components other than those necessary for operation are provided in the vertical frame in order to provide an operating portion on the vertical frame and to improve the appearance, It is configured not to be exposed. For example, FIG. 2 of Japanese Utility Model Laid-Open No. 27070/1990 shows 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. Has been done.

[0003]

However, when most of the components required for the operation are housed in the vertical frame in this way, for example, the operation rope is broken, the guide pulley is disengaged, or the operation device is broken. Sometimes the repair work is very troublesome, and the sash frame must be disassembled to remove the vertical frame.

Similarly, in addition to the processing for forming an opening for incorporating the operating device in the vertical frame, it also takes time and effort to insert and incorporate the above-mentioned components in the vertical frame, and also the sash frame. In the case of assembling, the work of assembling the vertical frame with the predetermined parts assembled into the upper frame was also troublesome.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above problems, and to provide a ventilation system of a double sash, in which maintenance such as repairs and assembling work of a sash are particularly easy, and processing on a vertical frame is minimal. To do.

[0006]

In order to solve the above-mentioned problems, a ventilation system for a sliding sash according to the present invention forms a sash frame in a rectangular shape from an upper frame and a lower frame, and a ventilation port in the upper frame. A frame ventilation device provided with an opening / closing plate of the ventilation port and its opening / closing device, and an operation block connected to the opening / closing device via an operation rope in the vertical frame, and having the following requirements: Is characterized by. (A) The upper frame is composed of an upper frame main body and an upper frame auxiliary frame detachably provided below the upper frame, and a guide pulley for the operation rope is attached to the upper frame auxiliary frame. (B) The vertical frame A guide ridge whose tip is bent outwardly is formed along the longitudinal direction of the inner surface of the (c) The operation rope wound around the guide pulley is guided along the guide ridge (d. ) The operation block connected to the other end of the operation rope is slidably attached to the guide ridge.

It is preferable that the opening / closing plate and the opening / closing device are also attached to the upper frame auxiliary frame.

Further, it is desirable 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 inserted into a cylindrical elastic body held by the guide ridge on the vertical frame side.

[0010]

1 and 2 are a longitudinal sectional view and a lateral sectional view of a pulling sash, respectively, in which 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 aluminum or aluminum alloy, and is fixed to the peripheral edge a of the opening S of the building.
A sliding sliding door 5 and a screen 6 are slidably housed inside the sash frame 1.

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

By the way, the upper frame 2 is composed of an upper frame body 2a and an upper frame auxiliary frame 2b which is detachably provided at a lower portion thereof. 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 No. 3. The upper frame auxiliary frame 2b is formed with a pair of shoji guide edges 16 projecting below the strip plate portion 15 having the same length as the upper frame body 2a, and a hook-shaped projecting edge 17 is formed on the upper portion of the strip plate portion 15. In addition, the fitting grooves 18 for the opening / closing plate 9 facing each other are formed inside the protruding edges 17 on both sides, and the fitting groove 19 is also formed outside the one protruding edge 17. Is the recess 13 of the upper frame body 2a
It is attached to the upper frame main body 2a by fitting with the ridge 14 and fixing the opposite side with a screw 20.

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

The guide pulley 21 is rotatably supported by a support block 22. As shown in FIGS. 4 (a) and (b),
The support block 22 is sized to fit between the pair of shoji guide edges 16 of the upper frame auxiliary frame 2b, and engaging claws 23 are formed on both side surfaces thereof. The engaging hole 24 formed in the shoji guide edge 16 corresponding to
, So that 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 descend downward.

It is preferable that the end portion of the support block 22 is attached to the inner surface of the vertical frame 4 so as to form a door-stop block.

Next, the vertical frame 4 is provided with a vertical frame main body 4a having a mounting edge 27 formed outside the base edge 26 and a locking edge 29 for locking with a locking receiving portion 28 formed on the mounting edge 27. It is formed of the cover material 4b, and the base edge 26 and the attachment edge 27 are screwed to the opening peripheral edge portion a. A guide ridge 30 is formed on the inner side surface of the one vertical frame 4 along the longitudinal direction thereof. The guide ridge 30 is shown in FIGS. 5 (a) and (b).
As shown in FIG. 3, the tip is bent to the outdoor side and the cross section is formed into a substantially C-shape.
A space is formed inside the. The upper end of the guide ridge 30 is cut out by the height of the operation block 12 described below. In addition, the cross-sectional shape of the tip of the guide ridge 30 is U-shaped,
It may be L-shaped or the like.

By the way, as shown in FIG. 6, an operation block 12 is connected to the hanging end 11a of the operation rope 11. It is preferable that the operation rope 11 is inserted into the cylindrical elastic body 31 made of rubber or synthetic resin. The outer diameter of the elastic body 31 is formed to be slightly larger than the space of the guide protrusion 30. The operation block 12 is formed with a sliding groove 32 having substantially the same shape as the cross section of the guide projection 30, and a projection 33 for stopping the end of the operation rope 11 as shown in FIG. 5 (a). The operation block 12 is pushed in from the notch 30a (see FIGS. 1 and 3) at the upper end of the vertical frame 4, and the sliding groove 32 is fitted in the guide protrusion 30 as shown in FIG. Further, slide the operation block 12 downward until the operation rope 11 is stretched, and then push the tubular elastic body 31 into the guide tubular space as shown in FIG. Install as in 3.

When operating the above ventilation device, by sliding the operation block 12 up and down, the opening and closing device 10 moves the opening and closing plate 9 through the operation rope 11 in the direction in which the ventilation port 8 opens or closes. Good. As described above, the operation of the ventilation device may be performed by sliding the operation block 12 upward or downward along the guide protrusions 30, so that the opening / closing operation is easy.

According to the ventilation device having the above structure, the guide pulley 2
1 is attached to the upper frame auxiliary frame 2b, the operation rope 11
If the guide pulley 21 comes off or the guide pulley 21 itself has a problem, the upper frame auxiliary frame 2b can be easily removed together with the screw 20 from the upper frame main body 2a. Maintenance is easy.

Since the operation rope 11 and the operation block 12 as well as the guide pulley 21 are all attached to the outside of the vertical frame 4, there is almost no processing of the vertical frame 4, and there is no need to assemble parts inside the vertical frame 4, and the vertical frame 4 is no longer required. The parts can be repaired and maintained without being affected by No. 4.

Further, the sash frame 1 is assembled by the upper frame main body 2 which is separate from the upper frame auxiliary frame 2b to which the guide pulley 21 is attached.
Since it is a work of framing the a and the vertical frame 4 which does not require pre-assembly of the operation rope 11 and the operation block 12,
Assembling work of the sash frame 1 becomes much easier.

Further, the operation 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 hard to see, and the inner appearance is not damaged.

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

In this regard, the operation rope 11 may not be held by the cylindrical elastic body 31. For example, the guide ridge 3 is detachably locked to the guide ridge 30 like a ridge.
Alternatively, the opening of the space formed by 0 may be closed. Any structure may be used as long as the operation rope 11 is held in the space formed by the guide protrusion 30.
Furthermore, it is more preferable if the operation rope 11 is not exposed to the outside.

By the way, the opening and closing plate 9 together with the guide pulley 21
With the configuration in which the opening / closing device 10 is also attached to the upper frame auxiliary frame 2b, the assembling work of the sash frame 1 becomes easier, and all the operation adjustments can be completed when the sash frame 1 is attached to the upper frame main frame 2a. There is no need to make adjustments after mounting on. Further, by removing the upper frame auxiliary frame 2b, it is possible to easily perform maintenance, inspection, cleaning, etc. on almost all the ventilation device constituent members.

Further, the guide pulley 21 is installed in the door stop block attached to the auxiliary plate 2 of the upper frame 2 so that the guide pulley 21 can be mounted stably and the guide pulley 21 can be installed stably.
Can be reliably positioned, and a new mounting member is not required, so that the sash can be easily assembled.

[Brief description of the drawings]

FIG. 1 is a vertical sectional view of a sliding sash equipped with a ventilation device according to the present invention.

FIG. 2 is a transverse sectional view of the sash.

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

4 (a) and (b) are a front view and a bottom view showing an assembled state of an upper frame, an upper frame auxiliary frame, and a guide pulley.

[Fig. 5] (a) and (b) are explanatory views of the state where the operation rope and the operation block are attached to the guide ridges of the vertical frame, respectively.

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

[Explanation of symbols]

 1 Sash Frame 2 Upper Frame 2a Upper Frame Main Body 2b Upper Frame Auxiliary Frame 4 Vertical Frame 8 Ventilation Port 9 Opening Plate 10 Opening / Closing Device 11 Operation Rope 12 Operation Block 21 Guide Pulley 30 Guide Protrusion

Claims (4)

[Claims] 1. A sash frame is framed in a rectangular shape from an upper and lower frame and a vertical frame, and a ventilation port, an opening / closing plate for the ventilation port, and an opening / closing device for the ventilation port are provided in the upper frame, and the vertical frame has the opening / closing device. A frame ventilation device provided with an operation block connected through an operation rope, wherein the ventilation device for a double-pull sash is provided with the following requirements. (A) The upper frame is composed of an upper frame main body and an upper frame auxiliary frame detachably provided below the upper frame, and a guide pulley for the operation rope is attached to the upper frame auxiliary frame. (B) The vertical frame A guide ridge whose tip is bent outwardly is formed along the longitudinal direction of the inner surface of the (c) The operation rope wound around the guide pulley is guided along the guide ridge (d. ) The operation block connected to the other end of the operation rope is slidably attached to the guide ridge. 2. The ventilation system for a double sash according to claim 1, wherein the opening / closing plate and the opening / closing device are attached to the upper frame auxiliary frame. 3. A ventilation system for a double sash 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 double sash according to claim 1, wherein the operation rope is inserted into a cylindrical elastic body held by the guide ridge on the vertical frame side.