JP2528753B2 - Window shoji control device - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a control device for holding and locking the opening of a window shoji.

[0002]

2. Description of the Related Art A conventional window screen opening and holding means is constructed so that the opening angle of the window screen can be adjusted from a small angle of 15 degrees to a large angle of 90 degrees, and the opening holding means and the locking means are provided separately. It is operated with the provided handle.

[0003]

The above-mentioned conventional opening / holding means for a window shovel is convenient in that it can be adjusted from a small opening angle to a large opening angle. Rotation angle and stopper
There is a big difference in the moving distance of. Therefore, when the opening angle is large, the influence of the processing error of the component of the holding means on the opening of the shoji is small and the manufacturing is easy, the rattling of the shoji does not easily occur, and the holding force of the shoji is strong and strong. Although it can withstand wind pressure sufficiently, conversely, when the opening angle is small, the manufacturing error is large due to the processing error of the constituent members of the holding means, which makes it difficult to manufacture. It has a weak holding power and cannot withstand strong wind pressure.

Further, in the above-mentioned conventional combination of the opening holding means and the locking means of the window shoji, the operation of locking or unlocking the holding means with one handle and locking or unlocking with the other handle. Is troublesome.

According to the present invention, irrespective of the opening angle of the window shoji, the influence of the processing error of the constituent members of the holding means on the opening of the shoji is small, and the manufacturing is easy, and rattling occurs in the open state of the shoji. It is an object of the present invention to provide a device that is strong and has a strong holding force for shoji screens, can withstand a strong wind pressure, and can easily operate the double-opening holding means.

Another object of the present invention is to provide an opening holding means and a locking means for a window shoji, which can be easily operated.

[0007]

In order to achieve the above-mentioned object, the present invention comprises an opening holding means for restraining a small opening angle of a window shovel and an opening holding means for restraining a large opening angle,
Both of these holding means are operated by a common handle. The present invention further comprises a locking means, which is also operated by a handle which is common to the double-opening holding means.

[0008]

Embodiments of the present invention will be specifically described below with reference to the drawings.

The window shoji (1) can be opened inside by being suspended by a hinge (3) on the window frame (2) as shown in FIG. An inner lever-shaped first handle (5) is pivotally attached to the vertical frame (4) on the free end side of the window shoji, and the vertical frame (4) and the vertical frame (6) of the window facing the vertical frame (4). Locking means (7) is provided between them. An outer lever-shaped second handle (9) is pivotally attached to the upper frame (8) of the window shoji, and a window is provided between the upper frame (8) and the upper frame (10) of the window opposite thereto. A first opening holding means (11) for the shoji screen is provided.
The lower frame (12) of the window shoji and the lower frame (1
The second opening holding means (14) for the window shoji is provided between the second opening holding means (3) and (3). The first opening holding means (11) is used for ventilation for restraining a small opening angle of the window shoji, and second
The opening holding means (14) is used for restraining a large opening angle of the window shoji. In normal use of the window screen (1), the outer handle (9) is always oriented laterally,
The locking / unlocking of the locking means (7) is performed by operating only the inner handle (5), and at the same time, the first transmission for restraining and releasing the first opening holding means (11) or the second opening holding means (14) Via the means (15) or the second transmission means (16). In the event of an emergency such as a fire, when the shoji door is opened from the outside and the user is inside the room, the outer lever handle (9) is operated to unlock the locking means (7) and the third transmission means (17) . 1
At the same time that the shoji (1) is operated via the transmission means (15),
First opening holding means (11) or second opening holding means (1
When restrained in 4), release the restraint by 3rd transmission
Means (17) or third transmission means (17) and first transmission
Via the stage (15) and the second transmission means (16) .

As shown in FIG. 2, in the locking means (7), a latch (18) is pivotally attached to a case (19) around a handle shaft (20) as a rotation center, and the case (19) is a shoji (shoji). Screw to the vertical frame (4)
It is fixed at (21). The handle (5) has a handle shaft (2
It is integrally connected to the latch (18) via 0). Latch (1 when the handle (5) is oriented vertically downwards
8) projects laterally and engages with the mating latch receiver (22) to lock it. When the handle (5) is rotated laterally, the latch (18) disengages from the receiver (22) and is unlocked. Become. The latch receiver (22) is fixed to the vertical frame (6) with a screw (23). The latch (18) has an elongated hole (24) extending in a radial direction from its rotation shaft (20), and a pin (25) is fitted into the elongated hole, and the pin (25) is connected to the interlocking piece (26). ) Is attached. Therefore, the swing of the latch (18) causes the interlocking piece (26) to move up and down. A lower end of a transmission rod (15a) as a transmission means (15) is connected to the interlocking piece (26) with a screw (27). The upper end of the transmission rod (15a) is connected to the left end of the transmission rod (15c) via a chain-shaped transmission member (15b) (Fig. 1) to operate the next first opening holding means (11). . The interlocking piece (26) also has a screw (2) at the upper end of the transmission rod (16a) as the transmission means (16).
8) and the second opening holding means (14) is operated. The handle (5) is pivotally attached to the mounting seat (29) (Fig. 1), and this mounting seat is fixed to the inner surface of the vertical frame (4).

As shown in FIG. 3, the first opening holding means (11) controls the first opening arm (3) for controlling the opening angle of the shoji screen.
0), a first stopper (31) for restraining the holding arm (30), and first and second operations for moving the stopper (31) to a restraining position and a releasing position with respect to the first holding arm (30). It comprises pieces (32), (33).

The first holding arm (30) has an elongated plate shape and has a triangular plate-shaped portion (34) at the left end, and this portion (34) is used as a pivot (3).
5) It is pivotally attached to the mounting seat (36) (Fig. 4), and this mounting seat (36) is fixed to the upper frame (10) with the screw (37). First winding spring (38)
Has its winding portion (39) fitted to the pivot shaft (35), one end of which is hooked on a pin (40) integral with the first holding arm (30), and the other end of which is a mounting seat (36). It is hung on the integral pin (41) (Fig. 3). Due to this spring (38), the first holding arm (30) always receives a force in the closing direction of arrow A (FIGS. 3, 9 and 10). The first holding arm (30) has a stop hole (42) for the first stopper (31) at the other end, and the stopper hole is provided in this stop hole.
When the (31) is fitted, the first holding arm (30) is held in the open position to hold the shoji in the open position (Fig. 1).
0). The first holding arm (30) further has a raised portion on one side thereof.
(43) (Figs. 3, 9 and 10), and the stopper (31) is guided to the stop hole (42) by the raised portion (Figs. 9, 10).

The first stopper (31) is the first holding arm (30).
It is assembled in the case (44) so as to move up and down in the direction orthogonal to the direction (Fig. 8), and is engaged at the lower end position of the stopper (31) with the engaging part (45).
The case (44) is fixed to the upper frame (8) of the shoji (1) with screws (47). Stopper (31) has central hole (48)
And the hole is fitted to the guide pin (50) standing on the seat plate (49), and the stopper (31) is held by the second spring (51).
It always receives force in the direction of (30) and automatically jumps in when the stopper (31) reaches the stop hole (42).

The first operating piece (32) and the second operating piece (33) (FIG. 3)
Have bifurcated portions (52), (52) and (53), (53), respectively, and are in a mutually abutting relationship. Each fork (52), (53) is a stopper
It fits into (31) (Fig. 3) and stopper- (31)
Case (44) to reciprocate linearly in a direction orthogonal to
Built into. Each actuating piece (32), (33) has a horizontal engaging surface (54), (55) and an oblique engaging surface (56), (57) (FIG. 3). The horizontal engaging surface (54) or (55) is the stopper (31)
When engaged with the engaging portion (45) of (Fig. 4 and Fig. 7), the stopper (31) is in the lowered position (retracted position) out of the stop hole (42). Any engagement surface (54), (55), (5
When 6) and (57) are not engaged with the engaging portion (45) of the stopper (31) (Figs. 5 and 6), is the stopper (31) pressed against the holding arm (30)? 5) or stop holes (42)
Take the raised position (protruding position, Fig. 6) that is fitted with. When the slanting engagement surface (56) or (57) is reciprocated while engaging with the engagement portion (45) of the stopper (31), the stopper (31) moves up and down between the raised position and the lowered position.

The first operating piece (32) is fixed to the transmission rod (15c) of the transmission means (15) (FIG. 3), and this transmission rod (15c) is incorporated in the upper frame (8) of the shoji (1). One end thereof is connected to the transmission rod (15a) (Fig. 2) via a chain-shaped corner transmission member (15b) (Fig. 1). As a result, the first operating piece (32) reciprocates by operating the handle (5).

The second operating piece (33) is fixed to the transmission rod (17a) of the transmission means (17) (FIG. 3), and this transmission rod (17a) is connected to the outer handle (9). Specifically, the figure
As shown in FIG. 11, the pin (58) which is erected at the end of the transmission rod (17a) is fitted into the slot (60) of the interlocking plate (59),
The pin (61) erected on (59) fits into the long hole (63) of the rotary plate (62), and the rotary plate (62) is integrally connected to the handle shaft (64). According to the swing of the handle (9), the rotary plate (62) rotates in both directions, and then the long hole (63) and the pin (61) are sequentially arranged.
The interlocking plate (59) reciprocates through the shaft, and the transmission rod (17a) reciprocates through the slot (60) and the pin (58). As a result, the second operating piece (33) reciprocates. The handle (9) has a handle shaft (6
It is pivotally attached to the mounting seat (65) at 4), and this mounting seat (65) is fixed to the outer surface of the upper frame (8) of the shoji.

The first operating piece (32) and the second operating piece (3
3) are connected to each other by connecting means (66) having appropriate play (FIG. 3). As the connecting means (66),
It is provided with connecting members (67) and (68) having a predetermined height and an elongated connecting member (70) integrally connecting these connecting members with a screw (69). Connecting member (67)
Is fixed to the transmission rod (15c) by a screw (71) (FIG. 4), and the connecting member (68) is erected by the pin (7).
2) and (72) are the long holes (73) of the transmission rod (17a),
It is movably inserted in (73). By the connection of the first operating piece (32) and the second operating piece (33),
To the extent that the pin (72) can move within the slot (73), the inner handle (5) can be operated independently of the outer handle (9) to open and close the latch (18). Moreover, the stopper (31) can be controlled by independently reciprocating the first operating piece (32) from the second operating piece (33). When the pin (72) cannot move with respect to the long hole (73), the inner handle (5) and the first and second actuating pieces (32), 32 are operated in accordance with the operation of the outer handle (9).
(33) is interlocked, the latch (18) is unlocked, and the stopper (31) is controlled.

The operation of the handles (5) and (9), the locking means (7) and the first opening holding means (11) will be described below. When the shoji (1) is closed (Figs. 1 and 9), the first holding arm (30) is parallel to the upper frame (8) of the shoji and the upper frame (10) of the window frame. Trapped, stopper- (31)
Moves out of the stop hole (42) toward the pivotal axis (35) of the first holding arm (Fig. 4), and further engages with the ridge (43) of the first holding arm to cause the spring (38). ) Against the rotational force of the first holding arm (30) in the direction of arrow A (FIG. 9). With the outer handle (9) facing sideways and the inner handle (5) facing down (Figs. 1 and 2), the latch (18) sticks out sideways and engages the receiver (22), (1) is locked (Fig. 2). In this case, the engagement surface (54) of the operating piece (32) is engaged with the engagement portion (45) of the stopper (31) so that the stopper (31)
Is pushed down to the descending position where it is pulled out from the hole (42) of the first holding arm (30) and is held at that position (FIGS. 3 and 4). The operating piece (32) is in a butting state in which the operating piece (33) is pressed against each other, and the pin (72) of the connecting member (68) is in contact with the right end of the elongated hole (73) of the transmission rod (17a). (Fig. 4).

When the inner handle (5) is rotated from the bottom to the side (FIGS. 1 and 2), the latch (18) is rotated from the side to the bottom and disengages from the receiver (22). Locked. As the latch (18) rotates, the interlocking piece (26) will engage the pin (25).
And it is lowered through the long hole (24) and pushes down the transmission rod (15a) (Fig. 2).

As the transmission rod (15a) descends, the transmission rod (15c) is fed leftward (FIG. 5) via the transmission members (15b) (FIG. 1) at the corners, and the operating piece (32) is moved. Pull in the direction. The engagement surface (54) and engagement surface (56) of the operating piece (32) are disengaged from the engagement portion (45) of the stopper (31) (Fig. 5), and the spring (51) of the stopper (31) is released. Allow rise by. When the stopper (31) rises, its upper end surface abuts against the lower surface of the holding arm (30) and is held in its raised position (Fig. 5), and its peripheral surface becomes the raised portion (43) of the holding arm (31). Spring mesh
Direction of arrow A of the first holding arm (30) by (38) (close direction)
Against rotation (Fig. 9).

Connecting members (67), (6) together with the transmission rod (15c)
8) and (70) move integrally to the left, but the connecting member (68)
Since the pin (72) moves along the long hole (73) of the transmission rod (17a), the transmission rod (17a) does not follow and remains stationary (Fig. 5), and therefore the operating piece (33) also stops. -(31) Engagement part (45)
It is held in the off position (Fig. 5).

When the shoji screen (1) is opened inward (FIG. 10), the upper end surface of the stopper (31) makes a hole (4) in the lower surface of the first holding arm (30).
While sliding in the direction 2), the peripheral surface slides while pushing the raised portion (43) of the holding arm to move the holding arm (30) around the shaft (35) in the opposite direction of arrow A. Rotate and open. When the shoji (1) is opened, the stopper (31) reaches the hole (42) of the holding arm (30) and jumps into the hole by the force of the spring (51) to hold the arm.
Restrain (30) in the open state (Figs. 6 and 10). As a result, the shoji (1) is held open.

When the inner handle (5) is turned downward from the side, the interlocking piece (26) rises through the pin (25) and the slot (24) (Fig. 2), and the transmission rod (15a). Drive in the same direction. Further, a transmission rod (15
c) follows the right direction and sends the operating piece (32) in the same direction (Fig. 4). As a result, the engaging surface (56) of the operating piece (32) stops
Engage with the engaging part (45) of (31) and push it down.
(31) is pulled out from the hole (42) of the holding arm (30) (Fig. 4).
In this state, if you close the shoji (1) for a moment, the holding arm
(30) closes while following the stopper (31), and the stopper (31) moves away from the hole (42) (Fig. 4). Then, the handle (5) is returned to the lateral direction, the latch (18) is retracted, and then the shoji (1) is closed, so that the shoji holding arm (30) is completely closed (FIG. 9). Rotate the handle (5) downwards from the side and hang it on the latch (18) and receive it (22). The engaging surface (54) of the operating piece (32) engages with the engaging part (45) of the stopper (31). Hold the stopper in the lowered position. Meanwhile, the pin (72) has a long hole (7
It moves to the right along 3) and reaches the right end of the elongated hole (Fig. 4), and the operating piece (32) reaches a position where it presses against the operating piece (33).

Outer handle (9) in the locked state
When is rotated downward from the horizontal direction (FIG. 11), the rotary plate (62) moves the transmission plate (59) to the left through the elongated hole (63) and the pin (61). The interlocking plate (59) sends the transmission rod (17a) to the left through the slot (60) and the pin (58) (Fig. 11). The transmission rod (17a) feeds the operating piece (33) in the same direction, and at the same time, the pin (72) and the connecting member (6
Send the transmission rod (15c) in the same direction via 8), (70) and (67) (Fig. 7). As a result, the operating piece (33) moves the stopper (31).
While holding the lower position (Fig. 7), the transmission rod (15c)
Is retracting the latch (18) from the transmission member (15b) through the transmission rod (15a), the interlocking piece (26), the pin (25), and the long hole (24) (Fig. 2). .

When the opening holding angle of the shoji (1) by the holding arm (30) is for ventilation only, for example, when it is narrow at about 15 degrees, the stopper (31) is fitted into the hole (42). When the opening of the shoji (1) is restricted (Figs. 6 and 10),
When the outer handle (9) is rotated downward from the lateral direction (Fig. 11), the transmission rod (17a) moves the actuating piece (33) to the left and the stopper (31) from the hole (42). Pull out and hold
Release the restraint of the frame (30) (Fig. 7). At that time, since the long hole (73) moves with respect to the pin (72) (Fig. 7), the transmission rod (15c).
Is not driven and the latch (18) is kept in the released state. In this way, the shoji can be completely opened in any case by operating the outer handle.

When the holding arm (30) is released from the restraint by the outer handle (9) (FIG. 7) and the latch (18) is unlocked (FIG. 2), the shoji (1) is removed. When it is closed and the inner handle (5) is turned down from the side (Fig. 2), the latch (18) is locked and both actuating pieces are moved through the transmission means.
(32) and (33) are sent to the right from the state of FIG. 7 to the state of FIG. 4, and at the same time, the outer handle (9) is returned from the lower side to the original lateral direction (FIG. 11), It is set in use.

As shown in FIG. 12, the second opening holding means (14) has a second holding arm (80) for controlling the opening angle of the shoji screen and a guide plate (81) for holding the second holding arm (80).
It is provided with a second stopper (82) for restraining the stopper and an operating rod (83) for moving the stopper to a restraining position and a releasing position with respect to the guide plate (81).

The second holding arm (80) is in the form of an elongated plate,
One end is pivotally attached to a bracket (85) by a pivot (84), and this bracket is fixed to the lower frame (13) of the window. Hold arm (8
A guide shaft (86) is erected at the other end of (0), and a stopper (82) is fitted on the guide shaft (86) so as to be vertically movable.

The guide plate (81) is rectangular and has a long guide hole (87) and an enlarged stop hole (88) communicating with the guide hole, and is fixed in the lower frame (12) of the shoji. It
The guide shaft (86) is movable from the guide hole (87) to the stop hole (88) and guides the stopper (82) to the stop hole (88). The stopper (82) is a guide plate (8
The guide plate (1) is in a relationship of sandwiching the holding arm (80) and is provided between the head (98) of the guide shaft (86 ) and the stopper (82) by a coiled third compression spring (89). 8
It is constantly pressed in the direction 1) (Fig. 13). As the shoji (1) opens and closes, the guide plate (81) swings around the hinge (3), the holding arm (80) swings around the pivot (84), and the guide shaft (86) moves into the guide hole ( It reciprocates along 87). As a result, the stopper (8
2) slides on the guide plate (81) and automatically jumps into the hole at the position of the stop hole (88) to fit the circular protrusion (90) of the stopper, and the holding arm (80). Restrain the open state.

The operating rod (83) is in the shape of a round bar, and a part of it (9
1) is ground flat to form an operating part with a roughly semicircular cross section. This operating rod (83) has a guide hole (87) in the guide plate (81).
It is arranged in a space that is parallel to and is surrounded by the side surface (92) of the stopper (82), the engaging portion (93) extending laterally from its upper end, and the guide plate (81) (FIG. 13). When the latch (18) is in the locked state, the operating rod (83) is in a state in which the flat portion (91) of the operating rod is inclined and the stopper (82) is floated from the guide plate (81) via the engaging portion (93). Is pushed up to the ascending position. When the latch (18) is in the unlocked state, the flat portion (91) of the operating rod (83) is oriented horizontally to release the push-up to the engaging portion (93), and the stopper (82) is lowered, The protrusion (90) is pressed against the edge of the guide hole (87) or fitted into the stop hole (88).

Stopper (82), guide shaft (86) and operating rod (83)
The spring (89) is incorporated in a rectangular parallelepiped case (94), and the opening surface of the case (94) facing the holding arm (80) is closed by a guide plate (81). The spout (94) is fixed in the lower frame (12) of the shoji.

In order to swing the operating rod (83), the operating rod (8
A rocking piece (16b) as a transmission means (16) is fixed to one end of 3), and a connecting piece (16c) is attached to the pin (95) on the rocking piece (16b).
And the connecting piece (16c) is fixed to the lower end of the transmission rod (16a) with a screw (97) (
(Figure 12). The transmission rod (16a) is moved up and down by the handle (5) to swing the operating rod (83).

The operation of the handles (5) and (9), the locking means (7) and the second opening holding means (14) will be described below.
It will be described in relation to the operation of the first opening holding means (11). When the shoji (1) is closed (FIGS. 12, 13, 14, and 15), the second holding arm (80) is located between the lower frame (12) of the shoji and the lower frame (13) of the window. The second stopper (82) is trapped in parallel with the stop hole (88).
It is located at the end of the guide hole (87) away from (FIG. 15), and the protrusion (90) of the stopper is pressed against the upper surface of the guide plate (81) by the spring (89) (FIG. 13). At this time the first
The holding arm (30) is also closed and the first stopper (3
1) is also located away from the stop hole (42) (Fig. 4). With the outer handle (9) sideways and the inner handle (5) down (FIGS. 1 and 2), the latch (18) engages the receiver (22) as described above. (Figure 2). In this case, the operating rod (83) has a flat surface (9
1) tilts and holds the stopper (82) in a state of floating from the guide plate (81) (FIG. 13).

When the inner handle (5) is rotated laterally from below (FIGS. 1 and 2), the latch (18) disengages from the receiver (22) as described above. At the same time, the transmission rod (16a) is lowered by the interlocking piece (26) together with the transmission rod (15a) (FIG. 2). The transmission rod (16a) is attached to the swinging piece (16) via the pin (95) of the connecting piece (16c) and the long hole (96) of the swinging piece (16b).
Rotate b) in the direction of arrow B (Figs. 12 and 14). As a result, the operating rod (83) rotates so that the flat portion (91) thereof becomes flat (Fig. 13), and the stopper (82) is spring-loaded on the guide plate (81).
Allow it to descend into a pressed condition with (89) (Fig.
13). The stopper (31) of the first operating piece (32) is also the first holding arm.
It is allowed to be pressed against the frame (30) (Fig. 5). The second handle (9) holds the lateral closed position by the play (FIG. 11).

When the shoji screen (1) is opened to the inside together with the guide plate (81) (direction of arrow C, FIG. 10, FIG. 16), the projection (90) of the stopper (82) is located at the edge of the guide hole (87). Slide in the direction of the stop hole (88), and the guide hole (87) is retained by the guide shaft (86).
Rotate (80) about axis (84) in the direction of arrow D to open. At the same time, the first holding arm (30) is also opened by the stopper (31) (Figs. 9 and 10). As the shoji (1) is opened, the first stopper (31) is moved to the first position before the second stopper (82).
It jumps into the stop hole (42) of the holding arm (30) and restrains the shoji (1) at a small opening angle (FIGS. 6 and 10). Shoji (1)
If the handle is opened further and restrained at a large opening angle, move the handle (5) from the open position (lateral direction) to the closed position (vertical direction).
Then, the first operating piece (32) releases the first stopper (31) from the fitting state (FIG. 6) with the stop hole (42). In this state, open the shoji (1) a little and return the handle (5) to the open position (lateral direction), the second stopper (82) will come to the spring (89).
It is pressed against the guide plate (81) (Fig. 15). Shoji (1)
When is opened to a predetermined large opening angle, the projection (90) of the second stopper (82) reaches the stop hole (88) at that position and jumps into the stop hole by the force of the spring (89), and the second Hold the holding arm (80) open (Fig. 16). As a result, the shoji (1) is held in an open state with a large angle. The first stopper (31) is returned to the closed position by the spring (38).

When the handle (5) is turned from the open position (horizontal) to the closed position (vertical) in the open state of the shoji (1), the transmission rod (16a) is pulled up. Below connecting plate (16c),
The oscillating piece (16b) and the operating rod (83) sequentially follow the reverse of the case of unlocking, the flat portion (91) of the operating rod (83) tilts, and the engaging portion (93) of the stopper (82). ) Is pushed up against the spring (89) (Fig. 13). As a result, the protrusion (90) of the stopper (82) is
Exit from (88) and release the restraint of the second holding arm (80) (Fig. 13). The first stopper (31) is also held at a position separated from the stop hole (42). In this state, when the shoji (1) is slightly closed, the second holding arm (80) is closed via the guide hole (87) and the guide shaft (86) (in the direction opposite to the arrow D), and the stop hole is formed.
Stopper (82) moves away from (88). Then, when the handle (5) is returned to the lateral direction and the latch (18) is retracted and then the shoji (1) is closed, the holding arm (80) is also completely closed (FIG. 16). When the handle (5) is turned from the side downward, the latch (18) engages with the latch receiver (22). Meanwhile guide shaft
(86) moves leftward along the guide hole (87) together with the stopper (82) and reaches the left end of the guide hole (Fig. 16). The transmission rod (15c) also moves to the left, but the pin (72) and the long hole (7
Due to 3), the transmission rod (17a) does not follow, and the handle (9)
In the lateral closed position (Fig. 11). During this time, the first stopper (31) returns to the position where it coincides with the first holding arm (30).

[0037]

As described above, the present invention comprises the opening holding means for restraining the small opening angle of the window shovel and the opening holding means for restraining the large opening angle, and both holding means are operated by the common handle. Therefore, regardless of the size of the opening angle of the window shoji, the influence of the processing error of the constituent members of the holding means on the opening of the shoji is small, and it is easy to manufacture. Is hard to occur,
The holding power of the shoji is strong and it can withstand a strong wind pressure, and the double-opening holding means is easy to operate. The present invention further comprises a locking means, and since this locking means is also operated by the common handle, the safety against illegal intrusion is obtained and the operation of the locking means is easy. In addition to the above handle, the present invention is provided with a handle that can be operated from the outside, and the opening and closing means and the locking means can also be operated with this outside handle, so that the window shoji can be sufficiently opened in an emergency, which is convenient. is there.

[Brief description of drawings]

FIG. 1 is a front view seen from the inside of a window.

FIG. 2 is a vertical sectional front view of the locking means.

FIG. 3 is a perspective view of a first opening holding means of the window shoji.

FIG. 4 is a first view showing a state in which a first stopper is retracted by operating an inner first handle when a window screen is closed.
It is sectional drawing of an opening holding means.

FIG. 5 is a view showing a state in which a first stopper is projected by operating an inner first handle in a closed state of the window shoji.
It is a sectional view similar to FIG.

FIG. 6 is a sectional view similar to FIG. 4, showing a state in which the first stopper is fitted in the hole of the first holding arm in the opened state of the window shoji.

FIG. 7 is a cross-sectional view similar to FIG. 4, showing a state in which the first stopper is retracted by the outer second handle when the window shoji is closed.

8 is an enlarged sectional view taken along line VIII-VIII in FIG.

FIG. 9 is a bottom view of the first opening holding means in a closed state of the window shoji.

10 is a bottom view showing a state in which the restraint in the first open-out holding means a window sash in an open position.

FIG. 11 is a partially longitudinal rear view showing the operational relationship between the outer second handle and the transmission means.

FIG. 12 is a perspective view of a second opening holding unit for a window shoji.

FIG. 13 is an enlarged cross-sectional view showing an operating relationship between a second stopper and an operating rod in a closed state of the window shoji.

FIG. 14 is a partially cross-sectional enlarged side view showing the drive means for the operating rod in the closed state of the window shoji.

FIG. 15 is a vertical cross-sectional view showing the relationship between the second stopper, the guide hole, and the stop hole in the closed state of the window shoji.

FIG. 16 is a bottom view showing a state in which the window shoji is held in the open position by the second opening holding means.

[Explanation of symbols]

1 Window Shoji 2 Window Frame 3 Hinge 5 First Handle 9 Second Handle 11 First Open Holding Means
14 Second opening holding means 18 Latch 20 Handle shaft
22 Latch receiver 30 1st holding arm 31 1st
Stopper-32 First operation piece 33 Second operation piece 35 Axis 38
Spring 42 Stop hole 43 Raised part 50 Guide pin 51 Spring 64 Handle shaft 80 Second holding arm 81 Guide plate 82 Second
Stopper-83 Operating rod 84 Pivot 86 Guide shaft 87 Guide hole 89 Spring 90 Projection

Claims (7)

(57) [Claims] 1. A first opening holding means for constraining a window screen to a predetermined open position between window frames at both ends of a rotary window screen parallel to each other and a window frame facing these window frames. A second opening holding means is provided, and the first opening holding means is pivotally attached to the window frame and is provided with the guide means and a first holding arm having a stop hole connected to the guiding means; The first holding arm includes a first stopper that is guided in the hole direction and the opposite direction and automatically fits in the stop hole, and a release means that separates the first stopper from the stop hole. (1) Following the opening and closing of the window shoji via the stopper, the second opening holding means is provided with a second holding arm pivotally attached to the window frame and having a second stopper, and a guide means provided on the window shoji. It has a continuous stop hole, and the second stopper is a guide means. It is guided in the direction of the stop hole and in the opposite direction, and is in the relationship of automatically fitting in the stop hole.
Equipped with a release means for separating the stopper from the stop hole,
The second holding arm follows the opening and closing of the window shoji through the guide means and the second stopper, and the releasing means of the first opening holding means and the releasing means of the second opening holding means are common first attached to the shoji. A window sliding door operated by a handle, wherein the first opening holding means is used for restraining a small opening angle, and the second opening holding means is used for restraining a large opening angle. Control device. 2. The guide means of the first holding arm is the first
A ridge having a hooking surface having a length corresponding to the stroke length of the stopper is provided on the first holding arm, and the hooking surface receives a force constantly pressed by the first spring against the first stopper when opening or closing the window shoji. The first holding arm is driven by the first stopper, and the first stopper can reciprocate in the direction orthogonal to the first holding arm, and the second spring constantly receives the force in the direction of contacting the first holding arm. When opening and closing the window shoji
Sliding on the first holding arm in the pressed contact state,
The first stopper releasing means has a first actuating piece capable of reciprocating in a direction orthogonal to the first stopper, and has a relationship of automatically jumping when reaching the stop hole. Pulls the first stopper against the second spring in a direction to separate from the stop hole of the first holding arm, or protrudes in the direction of the stop hole of the first holding arm together with the force of the second spring. 2. The window shoji control device according to claim 1, wherein the one actuating piece is connected to the first handle via the first transmission means. 3. The guide means of the second holding arm comprises a second
Guide hole having a length corresponding to the stroke length of the stopper is formed in the guide plate with stop holes communicating with the guide hole the guide plate is secured to the window sash, the second stopper slides in the guide hole The second holding arm is connected to the second holding arm when the window shoji is opened and closed, and the second stopper reciprocates between a position where the second holding arm is engaged with the stop hole by the guide shaft and a position where the second holding arm is disengaged. It is mounted so that it can always be subjected to the force to automatically jump into the stop hole by the third spring, and slides on the guide plate while the guide shaft moves along the guide hole. When it reaches, it automatically jumps in to restrain the second holding arm, and the releasing means of the second stopper includes an operating rod extending parallel to the moving direction of the second stopper, and the swinging of the operating rod causes the second stopper to swing. the against the third spring disengaged from the stop hole of the guide plate Or retracted in the direction that projecting in the direction of the third spring force coupled with the guide plate of the stop hole, the actuating rod is according to claim 1 or 2 wherein becomes connected to the first handle through the second transmission means Window shoji control device. 4. A locking mechanism for a window shoji, further comprising a locking mechanism for operating the first opening holding means and the second opening holding means in common with the first handle. The control device for the window shoji described in any one of 1. Wherein said locking means is constituted by a latch receiving the latch and the window frame side of the window sash side, according to claim 4 wherein the latch is operated by a common first handle together with the first stopper and the second stopper Window shoji control device. 6. The first handle further comprises a second handle attached to the inside of the window shoji and attached to the outside of the window shoji, and the second handle also unlocks the latch and the first handle in the same manner as the first handle. The first stopper and the second stopper are used for releasing operation for each stop hole.
5. The window shoji control device according to 5. 7. The first handle and the second handle are connected to each other by a transmission means having a predetermined play, and the transmission means, like the first actuating piece, causes the first stopper to project and retract and is coupled to the second handle. A second actuating piece, the two actuating pieces being connected by a connecting means that defines the predetermined play by the relative movement of the slot and the pin, the play being the first
7. The window shoji control device according to claim 6, wherein the handle is operated in a state of being disconnected from the second handle, and the first handle is driven by the operation of the second handle.