JP2550540Y2 - Stay for folding window - Google Patents

Description

[Detailed description of the invention]

[0001]

This invention relates to a closed position where a shoji is closed, a small open position where the window frame is tilted at a small angle in either direction inside or outside the lower frame member, and a wide open position where the same is tilted at a large angle. It relates to a stay used for a folding window adapted to be taken.

[0002]

2. Description of the Related Art Conventionally, as a stay for this type of window, a slider which is conventionally slidably fitted in a guide groove formed in a vertical frame of a window and a first end portion is rotatably mounted on the slider. The connected first arm and the first end are rotatably connected to the vertical length of the shoji and the second end is rotatably connected to the second end of the first arm. A second arm,
A rotation preventing member that is provided in the vertical direction and that prevents the second arm from rotating in the same direction as the tilting direction of the shoji with respect to the vertical direction, and is slidably attached to a case fixed to the vertical position And a movable stopper movable between a release position allowing rotation of the second arm in a direction opposite to the tilting direction of the sash with respect to the town and a fixed position preventing this rotation. In the small open position of the shoji, the first arm rotates about the first end by a small angle with respect to the vertical frame in the same direction as the tilting direction of the shoji while the second arm is fixed to the shoji. At the same time, the first end slides with respect to the vertical frame, and in the wide open position, the first arm rotates around the first end by a large angle with respect to the vertical frame in the same direction as the tilting direction of the shoji and the second arm. One end slides with respect to the vertical frame, and the second arm is the first end. The tilting direction of the sash with respect shoji those adapted to rotate in opposite directions is known as the center (see actual fair No. 4-35495).

[0003]

[Problems to be Solved by the Invention] However, the conventional stay has the following problems. That is, a guide groove is formed in the vertical frame, a slider is fitted into the guide groove, the case is attached in a vertical manner, a movable stopper is attached to the case, and the rotation preventing member is fixed in a vertical manner. Since it must be provided, the assembling work was troublesome. In addition, since the slider is fitted into the guide groove of the vertical frame, it cannot be removed once assembled, and the repair work is extremely troublesome. Furthermore, since it is necessary to form a guide groove for the slider in the vertical frame, it has not been possible to use an existing window frame to convert it into a folding window.

[0004] An object of the present invention is to provide a stay for a folding window which solves the above problem.

[0005]

SUMMARY OF THE INVENTION A stay for a folding window according to the present invention comprises a sliding door in a closed position, a small opening position inclining at a small angle about the lower frame of the window frame, and a large opening position inclining at a large angle. A first arm having a first end rotatably and vertically slidably connected to a vertical frame of a window frame; A second arm having an end rotatably connected to the vertical sash of the shoji and a second end rotatably connected to the second end of the first arm; A rotation preventing means for preventing rotation of the shoji in the same direction as the tilting direction of the sash with respect to the vertical gusset; A movable stopper movably between a fixed position for preventing the rotation. In the small open position of the shoji, the first arm is rotated about the first end by a small angle with respect to the vertical frame in the same direction as the tilting direction of the shoji while the second arm is fixed to the shoji. One end slides with respect to the vertical frame, and in the wide open position, the first arm rotates about the first end by a large angle with respect to the vertical frame in the same direction as the tilting direction of the shoji, and the first end. In a falling window stay, the portion slides with respect to the vertical frame, and the second arm rotates about the first end in the direction opposite to the tilting direction of the sash with respect to the sash, It has a base that is screwed to the vertical frame of the window frame, and a shoji mounting plate that screws the sash in the vertical direction. The base has an elongated hole extending vertically, and the first end of the first arm. Is provided with a pin rotatably and slidably fitted in the oblong hole, Movable stopper is attached to the movable stopper, in which rotation preventing means is provided for preventing the rotation of the tilt in the same direction as the direction of the sliding door of the second arm.

[0006]

The base includes a base screwed to the vertical frame of the window frame and a shoji mounting plate for screwing the vertical sash of the sash, and a long hole extending vertically is formed in the base. A pin rotatably and slidably fitted in the elongated hole is provided at the first end, a movable stopper is provided on the shoji mounting plate, and the movable stopper has the same direction as the tilting direction of the shoji of the second arm. Since the rotation preventing means for preventing the rotation of the base is provided, the mounting operation can be performed by screwing the base to the vertical frame and screwing the shoji to the shoji mounting plate. In addition, the base can be easily removed from the vertical frame, and the shoji can be easily removed from the shoji mounting plate. Further, there is no need to apply any processing to the vertical frame of the window frame and the vertical sash of the shoji.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. In this embodiment, the stay of the present invention is applied to an inward-looking window.

FIGS. 1 and 2 show the overall configuration of a stay for a window, and FIGS. 3 to 6 show the configuration of each part thereof. Also,
FIG. 7 shows a state immediately before the shoji returns from the wide open position to the small open position.

In the following description, the outdoor side (the left side in FIG. 1)
Is the front, and the opposite side is the back. In addition, left and right refer to the rear.

[0010] The stay for the inward window is interposed between the left and right vertical frames (1A) of the window frame (1) and the left and right vertical frames (2A) of the shoji (2), The closed position where the shoji (2) is tilted by a small angle around the lower frame (1B) of the window frame (1) shown by the solid line in FIG. 1 and the solid frame shown in FIG. Y
This is a stay used for a folding window configured to take a large open position tilted at a large angle indicated by. In the following description, the front, rear, up and down in the description of each part is a shoji (2)
Is referred to the reference to the closed position.

The stay has a vertically long base (3) attached to the vertical frame (1A) of the window frame (1), and a vertical sash (2A) of the shoji (2).
Vertical mounting (2A) Shoji mounting plate long in the length direction
(4), a first arm (5) having a first end rotatably and vertically slidably connected to the base (3), and a first end mounted with a pin (6). A second arm (8) pivotally connected to the plate (4) and having a second end pivotally connected to a second end of the first arm (5) by a pin (7); And

At the upper and lower ends of the base (3), legs (3a) extending outward in the left-right direction (outside the window frame) are integrally formed.
Outer bent part (3b) along the vertical frame (1A) at the tip of (3a)
Are formed. A screw through hole (9) is formed in the bent part (3b), and the screw (11) passed through the screw through hole (9) is
The base (1) is screwed into the vertical frame (1A)
(3) is fixed to the vertical frame (1A). The base (3) has a vertically long slot (12). In addition, bent portions (3c) are formed at the upper and lower ends of the front edge of the base (3), respectively, inward in the left-right direction (inside the window frame). Upper bend
(3c) is the first arm (5) when the shoji (2) is in the closed position.
To prevent the first arm (5) from rotating forward about the first end. Bend (3c)
The base (3) can be used for both left and right stays because two are formed at the top and bottom.

Legs (4a) extending inward in the left-right direction are integrally formed at both upper and lower ends of the shoji mounting plate (4), and the ends of the legs (4a) extend along the sash (2A). Outer bend (4b)
Are formed. A screw through hole (13) is formed in the bent portion (4b), and the screw (14) passed through the screw through hole (13) is
The vertical gusset (2A) is fixed to the shoji mounting plate (4) by being screwed into the vertical gusset (2A). A cut-and-raised portion (4c) is formed in the upper part of the sliding door mounting plate (4) in the left-right direction. Further, a narrow portion (4d) is provided below the cut-and-raised portion (4c) of the shoji mounting plate (4). Shoji mounting plate (4)
An arm receiver (4e) that restricts the rotation of the second arm (8) to the side opposite to the tilting direction of the shoji (2) with respect to the shoji mounting plate (4) protrudes outward in the left-right direction. It is formed so that. Also, in order to make it possible to use the shoji mounting plate (4) for both left and right stays,
On the rear side, an arm receiver (4e) symmetrical to the front and rear is formed.

The portion of the second arm (8) above the narrow portion (4d) of the shoji mounting plate (4) is a
A movable stopper (16) made of synthetic resin, which is movable between a release position allowing rotation in the direction opposite to the tilting direction of (2) and a fixed position preventing this rotation, is mounted. . An operation projection (16a) is integrally formed on the rear surface of the movable stopper (16). A guide groove (17) extending vertically is formed on the inner surface in the left-right direction of the movable stopper (16), and the sliding stopper mounting plate (4) is fitted into the guide groove (17) so that the movable stopper (16) can be attached to the sliding door. It is slidably mounted on the plate (4). At the edge of the groove (17) opening side on both sides of the guide groove (17),
Projections (17a) projecting toward the other side are formed integrally with each other, and the projections (17a) prevent the movable stopper (16) from coming off the shoji mounting plate (4). The distance between the tips of the protrusions (17a) is
Is larger than the narrow portion (4d) and narrower than other portions.

A notch (18) is formed at the upper end of the movable stopper (16), and a cutout (18) of the sliding door mounting plate (4) is formed at the bottom outer edge of the notch (18) in the left-right direction. An engagement claw (19) that engages with 4c) and regulates the downward movement of the movable stopper (16) is integrally formed so as to protrude upward. An engaging protrusion (19a) is integrally formed on the inner surface in the left-right direction of the engaging claw (19), and the lower end of the engaging protrusion (19a) is cut and raised to engage with (4c). I have. The inner surface in the left-right direction of the engaging projection (19a) is inclined downward and inward in the left-right direction. (1)
9b). In addition, a spring fitting recess (2) having an upper end opened to a notch (18) is provided above the guide groove (17) of the movable stopper (16).
1) is formed, and a compression coil spring (22) is fitted into the recess (21). The width of the recess (21) is such that the cut-and-raised (4c) fits inside thereof, and when the movable stopper (16) moves upward, the cut-and-raised (4c) becomes the recess (21). It fits inside. The upper end of the compression coil spring (22) is received by the cut-and-raised (4c), and the movable stopper (16) is constantly urged downward by the spring (22). Then, the cut-and- raised (4c) and the engaging claw (1
The lowering position of the movable stopper (16) is regulated by 9). The movable stopper (16) is raised and raised (4c).
And the lower surface of the recess (21).

A notch (23) is formed from the lower end of the movable stopper (16) to the front edge. The periphery of the notch (23)
The lower end of the movable stopper (16) bends upward in a circular arc shape from a portion corresponding to the rear side surface of the guide groove (17), and extends straight forward from its tip, and further upwards forward. It is inclined. The arc-shaped curved portion and the inclined portion are indicated by (23a) and (23b), respectively. In addition, guide groove (17)
At the bottom of the bottom of the recess, the lower end is open to the notch (23) (24)
Are formed. The front side of the recess (24) is the second arm (8)
Is a first stopper portion (25) for preventing the shoji (2) from rotating in a direction opposite to the tilting direction of the shoji (2) with respect to the vertical gusset (2A). Shoji for)
A second stopper portion (rotation preventing means) (26) for preventing rotation in the same direction as the tilting direction of (2).

The mounting of the movable stopper (16) on the shoji mounting plate (4) is performed as follows. That is, as shown in FIG. 6, after the spring (22) is arranged in the recess (21), the narrow portion (4d) of the shoji mounting plate (4) is moved to the protrusion (17) of the movable stopper (16).
a) Insert it into the guide groove (17) from between. Then, the movable stopper (16) is moved upward with respect to the shoji mounting plate (4). Then, the cut-and-raised (4c) is engaged with the engaging projection (19a) of the engaging claw (19).
When the movable stopper (16) is further moved when the movable stopper (16) is moved, the engaging claw (19) is pushed and cut by the (4c) and elastically deforms so as to incline outward in the left-right direction. And raise up (4c)
Is passed through the lower end of the inclined surface (19b), the engaging claw (19) returns to the original position. As a result, the engagement protrusion (19a) of the engagement claw (19)
The movement of the movable stopper (16) is restricted by the engagement of the cut-and-raised (4c), and the protrusion (17a) prevents the movable stopper (16) from coming off in the left-right direction. Then, the movable stopper (16) is mounted on the shoji mounting plate (4).

A pin (27) is fixed to the first end of the first arm (5), and the pin (27) is rotatably and vertically slidable in the elongated hole (12) of the base (3). By being fitted, the first end of the first arm (5) is rotatable and vertically slidable with respect to the base (3). The upper end of the first arm (5), that is, the second end is arc-shaped,
When (2) tilts from the closed position to the small open position, the first arm (5) does not buffer with the movable stopper (16).

An upper protruding portion (8a) is integrally formed at the upper end of the second arm (8), that is, substantially at the rear half of the second end. The front edge of the upper protruding portion (8a) has a straight shape, and has an arc shape curved upward and forward from the rear edge to the upper edge. When the movable stopper (16) is at the lowered position, the front edge of the upper protruding portion (8a) is recessed in the movable stopper (16).
By engaging the first stopper portion (25) of (24), the tilting direction of the shoji (2) with respect to the shoji mounting plate (4) about the pin (6) of the second arm (8) is opposite. Rotation of the movable stopper (16) is prevented.
By engaging the second stopper portion (26) of (24), the same direction as the tilting direction of the shoji (2) with respect to the shoji mounting plate (4) about the pin (6) of the second arm (8). Is prevented from rotating. When the movable stopper (16) is in the raised position, the front edge of the upper protruding portion (8a) and the concave portion of the movable stopper (16)
(24) is disengaged from the first stopper portion (25), and the tilting direction of the shoji (2) with respect to the shoji mounting plate (4) about the pin (6) of the second arm (8) is determined. Is allowed to rotate in the opposite direction, and the rear edge of the upward projection (8a) and the movable stopper
The rotation of the second arm (8) in the same direction as the tilting direction of the shoji (2) was prevented while the engagement of the recess (24) of (16) with the second stopper portion (26) was maintained. In state.

In such a configuration, when the sash (2) is in the closed position, the movable stopper (16) is located at the lowered position by the spring (22), and the second stopper of the second arm (8). Rotation in any direction about the end is prevented.
The pin (27) at the first end of the first arm (5) is
(3) It is located at the lower end in the long hole (12).

When the shoji (2) is tilted backward about its lower end, the first arm (5) rotates around the pin (27) in the same direction as this, and the pin (27) is Slot (1
2) Slide up inside. When the pin (27) reaches the upper end in the elongated hole (12), the backward rotation of the first arm (5) is stopped, and at the same time, the shoji (2) reaches the small open position. Is held.

To tilt the shoji (2) in the small open position to the wide open position, the movable stopper (16) is operated upward by the projection (16a) and further tilted backward.
Then, the engagement between the front edge of the upwardly protruding portion (8a) of the second arm (8) and the first stopper portion (25) of the movable stopper (16) is released, and the second arm (8) is disengaged from the pin (6). ) And Shoji (2)
The first arm (5) rotates further around the pin (27), and the pin (27) slides downward in the slot (12). I do. Then, the second arm (8) comes into contact with the arm receiver (4e) of the shoji mounting plate (4), and its rotation is stopped. As a result, the rotation of the first arm (5) is stopped, and The tilting of the shoji (2) is stopped. Thus, the shoji (2) reaches the wide open position.

When returning the wide open position of the shoji (2) to the closed position, the first arm (5) rotates forward about the pin (27), and the second arm (8) moves the pin (6). Around the center. Until the small open position, the pin (27) slides upward in the long hole (12). When the shoji (2) comes close to the small open position, as shown in FIG.
a) The trailing edge is the inclined surface (2) of the notch (23) of the movable stopper (16).
In step 3b), the rotation of the second arm (8) is stopped. When the shoji (2) passes the small open position, the first arm (5) further rotates forward about the pin (27), and the pin (27) slides downward in the elongated hole (12). I do. Shoji
When (2) comes close to the closed position, the pin (27) reaches the lower end of the long hole (12), and the inclined surface (23a) is pushed upward by the upward projection (8a) to move the movable stopper (16). Is moved upward against the urging force of the spring (22) (see the chain line in FIG. 7). When the upper protruding portion (8a) passes the lower end of the inclined surface (23b), the spring
The movable stopper (16) is moved downward by the biasing force of (22), and the upper protrusion (8a) enters the recess (23) and the second arm
(8) is prevented from rotating in both directions. Thus, the shoji (2) returns to the closed position.

[0024]

According to the folding window stay of the present invention, as described above, the mounting operation can be performed by screwing the base to the vertical frame and screwing the shoji to the shoji mounting plate. Therefore, the work becomes simpler than the conventional one. In addition, since the base can be easily removed from the vertical frame and the shoji can be easily removed from the shoji mounting plate, the repair work can be easily performed. Further, since there is no need to perform any processing on the vertical frame of the window frame and the vertical sash of the shoji, the existing window frame can be applied to the folded window.

[Brief description of the drawings]

FIG. 1 is a side view of an inward window having a stay according to the present invention.

FIG. 2 is a perspective view showing a state of a stay when a shoji is in a wide open position.

FIG. 3 is an enlarged view of a partly cutaway part of FIG. 1;

FIG. 4 is a sectional view taken along line IV-IV of FIG. 3;

FIG. 5 is a sectional view taken along line VV of FIG. 3;

6 is a perspective view showing an attachment only towards the movable stopper to the shoji mounting plate.

FIG. 7 is a diagram corresponding to FIG. 3, showing a state of a stay immediately before the shoji returns from the wide open position to the small open position.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Window frame 1A Vertical frame 1B Lower frame 2 Shoji 2A Vertical sash 3 Base 4 Shoji mounting plate 5 1st arm 8 2nd arm 12 Elongated hole 16 Movable stopper 26 2nd stopper part (rotation prevention means) 27 pin

Claims (1)

(57) [Scope of request for utility model registration] A shoji (2) is in a closed position and a lower frame (1) of a window frame (1).
B) A stay used for a folding window which is configured to take a small open position inclined at a small angle around the center and a large open position also inclined at a large angle, the first end of which is a window frame (1). Vertical frame
A first arm (5) rotatably and vertically slidably connected to (1A), and a first end portion of a shoji (2) has a vertical length (2A).
A) a second arm (8) rotatably connected to A) and a second end rotatably connected to a second end of the first arm (5); (8) a rotation preventing means (26) for preventing the shoji (2) from rotating in the same direction as the tilting direction of the shoji (2) with respect to the vertical machi (2A), and the vertical machi (2A) of the second arm (8). A movable stopper (16) movably between a release position allowing rotation of the shoji (2) in a direction opposite to the tilting direction with respect to the axis and a fixed position preventing this rotation.
In the small open position of (2), with the second arm (8) fixed to the shoji (2), the first arm (5) is moved from the vertical frame (1A) to the vertical frame (1A) around the first end. 2) While rotating by a small angle in the same direction as the tilting direction of (1), the first end slides with respect to the vertical frame (1A), and in the wide open position, the first arm (5) is centered on the first end. The first end is slid with respect to the vertical frame (1A), and the second arm (8) is rotated with respect to the vertical frame (1A) by a large angle in the same direction as the tilting direction of the shoji (2). In the case of a stay for a folding window which is configured to rotate around the first end in a direction opposite to the tilting direction of the shoji (2) with respect to the shoji (2), the vertical frame (1A) of the window frame (1) ), And a shoji mounting plate (4) for screwing the vertical gusset (2A) of the shoji (2), and a long hole extending vertically in the base (3). (12)
A pin (27) rotatably and slidably fitted in the elongated hole (12) is provided at the first end of the first arm (5), and is movable on the shoji mounting plate (4). The stopper (16) is attached,
A stay for a falling window in which a movable stopper (16) is provided with a rotation preventing means (26) for preventing rotation of the second arm (8) in the same direction as the tilting direction of the shoji (2).