JPH0510129Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention relates to an opening/closing device for doors that are difficult to reach and difficult to open and close, such as bay windows.

[Conventional technology]

Conventionally, doors such as bay windows have been opened and closed by grasping the handle of the door directly or by remote control using a link mechanism. Further, as disclosed in Japanese Utility Model Application Publication No. 59-122371, a push lever is attached to the door, and the door is opened and closed by pushing and pulling the push lever.

[Problems that the invention aims to solve] The handle of the bay window was located at the back of the bay window and had to be operated by leaning forward, making it difficult to open and close the door.

Therefore, there are known devices that use a link mechanism or have a push-pull rod, but these have protrusions such as operating handles on the inner periphery of the window, which are not only undesirable in terms of external design, but also have such protrusions. Occasionally, people would get their bodies or clothes caught on objects, resulting in unexpected injuries.

This idea was created in view of the above-mentioned problems, and there is no protruding device on the inner surface of the window for opening and closing the door, making it possible to easily open and close the window door in front of the window. The purpose of the present invention is to provide a window door opening/closing device.

[Means for solving problems]

This invention is a window door opening/closing device that opens and closes a door attached to a window via a hinge, in which the door is always biased in the direction of opening by a door biasing device using a spring, and the door is placed at a location remote from the window. , a slider device having a slider body capable of linear reciprocating motion;
an opening/closing drive device equipped with a pulley that rotates with the linear reciprocating motion of the slider device and outputs the rotational speed at a reduced speed, the tip of a remote control wire wound around the pulley is fixed to the door, and the slider By rotating the opening/closing drive device by the device, the remote control wire is wound around the pulley of the opening/closing drive device,
It is characterized in that the door is fastened so that it can be closed.

[Effect]

The window door opening/closing device of this invention allows a window door to be opened and closed easily by the sliding action of a slider provided at an easily accessible position.

〔Example〕

Examples of this invention will be described below based on the drawings.

1 to 5 show a first embodiment of this invention. As shown in FIG. 1, a blind 8 is installed in front of a bay window 2 provided protruding from an outer wall 1 of a building frame. A built-in double-glazed glass 7 is provided in a fitted state, and a door 5 is provided between a pair of mullions 3 and 4 on the side of the bay window 2, and this door 5 is connected to the mullions on the frame side. It is provided so that it can be opened to the outside of the room around a hinge 6 provided at 3. Also door 5
The glass 7 is attached to a rectangular frame 9, and one end of an arm 11 is fixed to the middle part of the lower stile 9a in the longitudinal direction, and the other end of the arm 11 is a door biasing member made of a tension spring. Bay window 2 by device 12
It is fixed to a piece 13 that is pulled in the direction in which it protrudes. This door biasing device 12 and piece 13 are connected to the bay window 2
It is slidably housed in a case 15 fixed to a lower frame 14 of the. Note that the tension spring of the door biasing device 12 may be a coil spring provided on the hinge 6.

As shown in FIGS. 1 to 3, the door 5 has
One end of a remote control string 10 made of a ball chain or wire is fixed to the inner side of the longitudinal end of the lower stile 9a of the frame 9, and the remote control string 10 is stretched over the end side of the bay window of the lower frame 14. A pulley 16 is rotatably provided, and a remote control line 1
0 has its other end fixed to an opening/closing drive device 17 provided at a position remote from the window 2 via a pulley 16, specifically on the base end side (front side) of the bay window 2.

As shown in FIGS. 1 and 3, the opening/closing drive device 17 is provided on the back side of the base plate 25 of the bay window 2, and has a small diameter pulley 18 on the output side on one rotating shaft 26 that stands up. A large-diameter pulley 19 on the input side is provided overlappingly with the pulley 19 on the input side.By rotating the pulley 19 on the input side, the pulley 18 on the output side also rotates at the same time.
9 have different diameters, the output side is decelerated relative to the input. The end of the remote control wire 10 is fixedly wound around the pulley 18 on the output side, and a slider device 20 having a mechanism for converting linear reciprocating motion into rotational motion is connected to the pulley 19 on the input side. .

As shown in FIG. 1, the slider device 20 is provided on a side surface in front of the bay window 2 facing the opening/closing drive device 17, and a guide member 26 is provided in the longitudinal direction of the side surface in front of the bay window 2. The slider body 22 is slidably fitted along this, and the other end of the interlocking member 27 made of a ball chain or wire fixed to the slider body 22 is fixed to the pulley 19 on the input side of the opening/closing drive device 17. If the slider body 22 is pulled away from the pulley 19, the pulley 1
8 and 19 are rotated.

However, when the pulling force on the slider body 22 is removed, the door biasing device 1 biases the door 5 in the direction of opening.
2, the pulleys 18 and 19 are reversed. Therefore, as shown in FIGS. 4 and 5, the slider body 22 of the guide member 26 can be fixed in the slidable position.
A rack 28 is fixed to the surface facing the slider body 22, protrusions 22a are provided at both ends of the slider body 22 to engage with the teeth of the rack 28, and the slider body 22 further protrudes outward from the sliding groove 26a of the guide member 26. A pillar 23 is provided, and a handle 2 is attached to the outer tip of the pillar 23.
1 is rotatably attached, and the slider body 22 is pressed by a curved leaf spring 24 to hold each protrusion 22a of the slider body 22 in engagement with a rack 28. On the other hand, a semicircular cam surface 21a is provided extending from the shaft support of the pull handle 21 so as to release the engaged state.

Therefore, by standing the pull handle 21 parallel to the column 23 as shown by the two-dot chain line in FIG. Since the engagement will be disengaged,
The slider body 22 can freely slide along the guide member 26, and when the handle 21 is pushed down as shown by the solid line, it is engaged with the rack 28 again and held in the slid position. It is.

Next, a second embodiment of this invention will be explained based on FIG. 6. In this example, the opening/closing drive device 17 and the slider device 20 have different means from those in the above example, and the opening/closing drive device 17 has a worm 3.
1 and a worm gear 30, and the worm gear 30 is provided with the output pulley 18 of the above example. Furthermore, the warm 31
is pivotally supported within the guide member 26.

On the other hand, the slider device 20 has a spiral rod 32 formed by twisting a flat plate in a spiral shape to the worm 31.
A slit 33 is provided in the slider body 22 and the spiral rod 32 is inserted through the slit 33 to allow the slider body 22 to slide along the guide member 26. It is provided. In addition, in this example, as mentioned above,
Since the worm 31 and the worm gear 30 are used, the worm gear 30 can be rotated from the worm 31, but since it has a function that cannot be rotated from the opposite direction, a means for holding the position of the slider body 22 is unnecessary.

Next, a third embodiment of this invention will be explained based on FIG. 7. This example differs in the means for fixing the slider main body 22 in a predetermined position, and the other structure is the same as the first example.

A plurality of notches 26b are provided at equal intervals in the sliding groove 26a of the guide member 26 and are perpendicular to the longitudinal direction thereof.
, when the handle 21 is folded down, the notch 26b
A protrusion 35 that engages and disengages in a snap-like manner is protrudingly provided. Note that this protrusion 35 has a pair of tongue pieces 35b.
is provided through a slit 35a, and an enlarged portion 35c is provided at the lower end of both tongue pieces 35b on the side opposite to the slit 35a side.

Incidentally, the windows to which this invention is applied are not limited to the above-mentioned bay windows, but can be applied to all windows installed in hard-to-reach places such as skylights.

[Effect of idea]

According to the window door opening/closing device of this invention, the door, which is provided to open toward the outdoor side around the hinge, can be opened and closed by remote control using the door biasing device.
The opening/closing drive device and the slider device are installed within easy reach, and by sliding the slider body of the slider device, the linear motion is transmitted to the opening/closing drive device as rotational motion, and the opening/closing drive device is It is equipped with a pulley that rotates by decelerating the input rotation, and the pulley and the door are connected by a remote control wire, so even if the window door is out of reach or difficult to reach, the window It can be opened and closed easily and easily by sliding the slider body in front of the slider. In addition, since the output of the opening/closing drive device is decelerated from the input side, the door does not open suddenly, and the door can be opened safely and smoothly without giving reaction to the spring of the door biasing device. I can do it. Furthermore, the opening/closing drive device can be installed indoors in a place that cannot be touched by hands or the body, and the slider body of the slider device protrudes into the room, but if it is installed in a place that does not come into contact with the body, it will not come into contact with the body. Even if it is installed in a certain location, the amount of protrusion is small, so there is no risk of catching clothes or the like.

[Brief explanation of the drawing]

Fig. 1 is a cross-sectional view showing the first embodiment of this invention, Fig. 2 is a partial longitudinal sectional view of the first embodiment, Fig. 3 is a longitudinal sectional view of another part of the first embodiment, and Fig. 4. is the first
FIG. 5 is a vertical sectional view showing the slider device of the first embodiment, FIG. 6a is a partial sectional view of the second embodiment of the invention, and FIG. FIG. 7a is a partial plan view showing a third embodiment of the invention, FIG. 7b is a sectional view taken along line A-A in FIG. 7a, and FIG. 7c is a side view showing the slider device of the second embodiment. It is a BB sectional view of FIG. 7a. 2...window, 5...door, 10...remote control strip,
12...Door biasing device, 17...Opening/closing drive device, 2
0...Slider device, 22...Slider main body, 27...Interlocking member, 32...Spiral rod.

Claims (1)

[Scope of utility model registration request] In a window door opening/closing device that opens and closes a door 5 provided on a window 2 via a hinge 6, the door 5 is provided so as to be always biased in the open direction by a door biasing device 12 using a spring, and the door 5 is provided remotely from the window 2. a slider device 20 in which a slider body 22 is installed in a position to allow linear reciprocating motion; and an opening/closing drive device 17 that includes a pulley 18 that rotates with the linear reciprocating motion of the slider device 20 and outputs a reduced rotational speed. established,
Remote control wire 10 wrapped around the pulley 18
The tip of the slider device 20 is fixed to the door 5.
A window door opening/closing device characterized in that a remote control wire 10 is wound around a pulley 18 of the opening/closing drive device by rotation of the opening/closing drive device 17, thereby closing the door 5.