JPH0746274Y2 - Window damper - Google Patents

Description

[Detailed Description of the Invention] [Industrial field of application] The present invention relates to a window damper arranged in an apartment, etc. for fire prevention, smoke prevention, etc.

[Conventional technology]

Generally, in apartment houses, for example, it is regulated to install a class A fire door at the window of a house in an open corridor on the 11th floor or above to prevent fire and smoke.

FIG. 6 to FIG. 8 show a conventional window damper used as such an A-type fire door, and in the figures, reference numeral 11 is a plate arranged above the window portion 13 in the horizontal direction. The storage part is shown.

As shown in FIGS. 7 and 8, in the plate housing portion 11, for example, three damper plates 15, 16, 17 are provided.
However, they are housed at a predetermined interval in the front-rear direction.

When the damper plates 15, 16 and 17 are dropped on both sides of the plate storage section 11 which is on both sides of the window section 13, the damper plate 1
Guide rails 19 for guiding the guide portions formed at both ends of 5, 16, 17 are vertically arranged.

Further, in this example, below the window portion 13, a support portion 21 that supports the lower end of the dropped damper plate 17 is arranged in the horizontal direction.

In such a window damper, at the time of fire or the like, as shown in FIG. 7, the damper plates 15, 16, 17 housed in the plate housing 11 are guided by the guide rails 19 at the guide portions. Are dropped and the window 13 is closed.

On the other hand, FIG. 9 shows a window damper provided with an opening / closing device 25 for opening and closing the damper. In this window damper, a pair of upper and lower plate storage portions 11 are arranged at predetermined intervals in the horizontal direction. The pulley 27 is arranged so as to be tiltable in the forward direction.

Further, among the damper plates 15, 16 and 17, the lowermost damper plate 17 which is positioned at the lowermost position when dropped is also provided with pulleys 28 at predetermined intervals in the horizontal direction.

Further, in front of the damper plate 17, a switch 25 for opening and closing the damper is arranged, and a rope 29 of this switch 25 is
It is wrapped around pulleys 27 and 28.

In this example, when the fuse of the fuse device (not shown) is melted, the switch 25 pulls out the rope 29 to drop the damper plates 15, 16 and 17 downward to close the damper, while the handle (not shown) is used. When the shaft of the opening / closing device 25 is rotated, the rope 29 is pulled in, the damper plates 15, 16 and 17 are moved upward, and the damper is opened.

[Problems to be solved by the device]

However, in such a conventional window damper, in particular, since the pulley 28 is arranged on the lowermost damper plate 17, the width L of the plate housing portion 11 is required to be about 130 mm. As shown in the figure, since the width of the guide rail 19 is also required to be about 130 mm, as shown in FIG. 7, to obtain the corridor width W legally regulated as the open corridor 23, for example, 1.2 mm. There is a problem that it may be difficult.

In addition, even when there is no regulation by law, there is a problem that the width of the corridor becomes narrow and people cannot pass through.

The present invention has been made in order to solve the conventional problems, and an object thereof is to provide a window damper capable of significantly reducing the width in the front-rear direction of the guide rail.

[Means for Solving the Problems]

The window damper according to the present invention accommodates a plurality of damper plates in a horizontally arranged plate storage portion at predetermined intervals in the front-rear direction, and the damper plates are provided on both sides of the plate storage portion. When falling, guide rails that guide the guide portions formed at both ends of the damper plate are arranged in the vertical direction.Furthermore, among the damper plates, the lowermost damper plate that will be positioned at the lowermost position when falling. In a window damper in which a pulley around which a rope for an opening / closing device for opening / closing the damper is wound is arranged, a partition member is arranged above the pulley of the lowermost damper plate, and a partition member is placed on the partition member from the bottom when falling The lower end of the second-stage damper plate is placed.

[Action]

In the window damper of the present invention, the partition member is arranged above the pulley of the lowermost damper plate, and the lower end of the damper plate, which is the second stage from the bottom when dropped, is placed on this partition member. The overall width in the front-back direction is reduced, and as a result, the front-back width required for the guide rail is reduced.

〔Example〕

The present invention will now be described in detail with reference to an embodiment shown in the drawings.

1 to 5 show an embodiment of a window damper of the present invention, which is designated by reference numeral 31 in FIGS. 1 and 2.
Shows a plate accommodating portion arranged in the horizontal direction above the window portion 33.

The plate storage portion 31 includes a support portion 37 supported by the side wall 35.
And a front cover 39.

Three damper plates 43,4 in the plate storage 31
4, 45 are housed at a predetermined interval in the front-rear direction.

Upper and lower ends of the damper plates 43, 44, 45 are bent, and locking portions 47, 49, 51 are formed.

On both sides of the plate accommodating portion 31 which is on both sides of the window portion 33, the fourth
As shown in FIGS. 5 and 5, the damper plates 43, 44,
Guide rails 55 for guiding the guide portions 53 formed at both ends of the damper plates 43, 44, 45 when the 45 is dropped are arranged in the vertical direction.

A supporting portion 48 that supports the lower end of the dropped damper plate 45 is horizontally fixed to the side wall 35 below the window 33.

Further, in this embodiment, the guide portions 53 formed at both ends of the damper plates 43, 44, 45 are directed rearward so that the guide portions 53 of the adjacent damper plates 43, 44, 45 are substantially in contact with each other. Has been bent.

That is, the guide portion 53 is connected to the main body portion of the damper plates 44, 45 via the bent step portion, and the guide portion 53
Only one of them is inserted between the guide rails 55 in a state where they overlap each other in the front-rear direction with almost no gap.

Therefore, in this embodiment, a pair of pulleys 61 are arranged at the upper end of the plate storage portion 31 at a predetermined horizontal interval so as to be tiltable in the forward direction, as shown in FIGS. 1 and 4. Has been done.

Further, among the damper plates 43, 44, 45, the lowermost damper plate 45, which is positioned at the lowest stage when dropped, is also provided with pulleys 63 at predetermined intervals in the horizontal direction.

Further, in front of the damper plate 45, a switch 65 for opening and closing the damper is arranged, and a rope 67 of this switch 65 is
It is wrapped around pulleys 61 and 63.

Therefore, in this embodiment, the lowermost damper plate 45
A partition member 71 is fixed above the pulley 63.

The lower end of the damper plate 44, which is the second stage from the bottom when dropped, is placed on the partition member 71.

In this embodiment, when the fuse of the fuse device 69 shown in FIG. 4 is melted, the switch 65 pulls out the rope 67 and drops the damper plates 43, 44, 45 downward.
When the damper is closed and the shaft of the opening / closing machine 65 is rotated by a handle (not shown), the rope 67 is pulled in, the damper plates 43, 44, 45 are moved upward, and the damper is opened.

In the window damper configured as described above, in the event of a fire or the like, the fuse of the fuse device 69 is melted, whereby the rope 67 of the switch 69 is pulled out, and as shown in FIG. The damper plates 43, 44, 45 accommodated in the accommodating portion 31 are guided by the guide portion 53 between the guide rails 55 and dropped, and the locking portions 47, 4 of the damper plates 43, 44, 45 are dropped.
The window 33 is closed in a state in which 9,51 are locked to each other.

Then, in the window damper configured as described above,
Since the partition member 71 is arranged above the lowermost damper plate 45, and the lower end of the damper plate 44, which is the second stage from the bottom when dropped, is placed on this partition member 71, the damper plates 43, 44, 45 The total width in the front-back direction is reduced, and as a result,
The width in the front-rear direction required for the guide rail 55 can be significantly reduced as compared with the conventional case.

Further, in the window damper configured as described above, the guide portions 53 of the damper plates 43, 44, 45 are arranged so that the distance between the guide portions 53 of the adjacent damper plates 43, 44, 45 becomes narrower. Since it is bent toward the side, the total width in the front-rear direction of the guide portion 53 inserted between the guide rails 55 can be reduced, and as a result, the width in the front-rear direction of the guide rail 55 is significantly reduced compared to the conventional case. It will be possible.

[Effect of device]

As described above, in the window damper of the present invention, the partition member is arranged above the pulley of the lowermost damper plate, and the lower end of the damper plate, which is the second stage from the bottom when dropped, is mounted on this partition member. Since the damper plate is disposed, the entire width in the front-rear direction of the damper plate is reduced, and as a result, the width in the front-rear direction of the guide rail can be significantly reduced as compared with the conventional case.

[Brief description of drawings]

FIG. 1 is a sectional view showing a plate accommodating portion of an embodiment of a window damper of the present invention. FIG. 2 is a sectional view showing a state in which the window damper of FIG. 1 is opened. FIG. 3 is a sectional view showing a building in which the window damper of FIG. 1 is arranged. FIG. 4 is a front view showing the window damper of FIG. FIG. 5 is a horizontal sectional view showing the window damper of FIG. FIG. 6 is a front view showing a conventional window damper. FIG. 7 is a vertical sectional view showing the window damper of FIG. FIG. 8 is a horizontal sectional view showing the window damper of FIG. FIG. 9 is a vertical cross-sectional view showing another example of a conventional window damper. [Explanation of reference numerals of main parts] 31 ... Plate housing 33 ... Window 43, 44, 45 ... Damper plate 63 ... Pulley 67 ... Rope 71 ... Partition member

Claims (1)

[Scope of utility model registration request] 1. A plurality of damper plates are accommodated in a plate accommodating portion arranged in a horizontal direction at predetermined intervals in the front-rear direction, and dampers are provided on both sides of the plate accommodating portion when the damper plates fall. Guide rails for guiding the guide portions formed at both ends of the plate are arranged in the vertical direction, and further, among the damper plates, the lowermost damper plate, which is located at the lowest stage when dropped, is used for opening and closing the damper. In the window damper in which the pulley around which the rope of the switch is wound is arranged, a partition member is arranged above the pulley of the lowermost damper plate, and a second member from the bottom when dropped is placed on the partition member. A damper for windows, characterized in that the lower end of the damper plate is placed.