JPS6329084Y2 - - Google Patents

Description

[Detailed description of the invention] This invention relates to a casement prevention device that pivots one side of the shoji and swings the shoji open and close around the pivot support.The purpose of this device is to rotate the shoji at an appropriate angle. To easily release a fan-stopping device that holds a vehicle in an open state.

Conventional fan-stopping devices for casement windows have one end of the fan-stopping lever pivoted on the lower frame of the window, and the other end of the lever inserted through a guide provided on the open side of the shoji, or vice versa. One end of the lever was pivoted, the other end of the lever was inserted through a guide in the window sill, and the lever was fixed by tightening the screws provided in the guide, so every time the shoji was opened or closed, the guide screws had to be tightened. In addition to the trouble of loosening and tightening the shoji, in the case of the fan-locking device for casement windows, you have to either lean out to the outside of the room on the opening side of the shoji or put your hand out to operate it, making it difficult to open and close the shoji. It was also dangerous to operate.

Therefore, this idea was devised to prevent the fanning of casement windows so that the shoji can be automatically opened and held in several stages, and the shoji held in the open state can be easily released from the indoor side. It is something.

Next, the structure of the present anti-tilting device will be explained with reference to drawings of embodiments. Reference numeral 1 is a fixed plate attached to the bottom surface a of the shoji A, and the step is parallel to the bottom surface a of the shoji and is one step lower from the middle part to the rear of the fixed plate 1. part 13, the whole has a round shape, and has an upright wall 11 that hangs down at the front, and a guide wall 12 that hangs down from both sides of the fixed plate 1 and folds inward at the rear thereof, and the stepped part of the fixed plate 1. 13 is provided with a long hole 14 parallel to the longitudinal direction of the fixing plate 1, and the long hole 1
4 are provided with locking holes 15 wider than the elongated holes 14, while elongated holes 15 are provided in several locations of the stepped portion 13.
A protruding strip 16 is provided which intersects the fixing plate 1 at right angles to the fixing plate 1 and protrudes downward, and mounting holes 10 are formed at both ends of the fixing plate 1. Reference numeral 2 denotes a sliding plate held by a fixed plate 1 and a lever 5 whose one end is pivotally supported on the window frame F;
is shorter than the fixed plate 1 and has a width that allows it to be inserted into the fixed plate guide wall 12, and is provided at the front end of the sliding plate front part 2a with an upright piece 21 facing the upright wall 11 of the fixed plate 1.
A cam portion 23 longer than the fixed plate step portion 13 is formed one step behind the front portion 2a, and the cam portion 23
A long groove 24 slightly longer than the long hole 14 of the fixing plate 1
A protrusion 26 is provided which protrudes upward at the same pitch as the formation interval H of the protrusion 16, and the groove width S of the long groove 24 is the same width as the locking hole 15. The cam part 23 has a bending piece 22 at the rear end of the cam part 23, which faces the rear end of the stepped part 13. 3 is a spring stretched between the fixed plate 1 and the sliding plate 2; the spring 3 is stretched between the front end of the fixed plate stepped portion 13 and the front end of the sliding plate cam portion 23; The sliding plate 2 is constantly pulled rearward so that the provided protruding portion 16 and the protruding portion 26 provided on the sliding plate cam portion 23 are offset.
4 is a fixed plate standing wall 11 from the standing piece 21 of the sliding plate 2.
The wire 4 moves the sliding plate 2 forward against the tension of the spring 3, and the bending piece 22 provided at the rear end of the sliding plate 2 moves behind the fixed plate step 13. When the sliding plate cam portion 23 is moved until it is locked at the end, the protruding portion 26 provided on the sliding plate cam portion 23 touches the fixed plate stepped portion 1.
It rides on the protruding portion 16 of No. 3. Reference numeral 5 denotes a lever whose one end is pivotably supported on the window lower frame F, and reference numeral 6 refers to a lever inserted from the other end of the lever 5 into the long groove 24 of the sliding plate cam part 23 and the long hole 14 of the fixed plate stepped part 13. As a stop pin, the pin 6 can be inserted into the sliding plate long groove 24 and the fixing plate locking hole 15, and the body part 62 cannot be inserted into the long hole 14.
A neck portion 63 that can be inserted only into the elongated hole 14 of the fixing plate 1 is provided on the top, and collar portions 64 and 61 that are wider than the locking hole 15 are provided below the body portion 62 and above the neck portion 63.
The upper flange portion 64 is exposed above the fixed plate step portion 13,
The lower flange 61 comes into contact with the back surface of the lever 5, and the upper flange 6
4 and the fixed plate stepped portion 13, the lever 5 is attached to the neck portion 63 between the
and a compression spring 7 that presses the sliding plate 2 in the direction of the fixed plate 1.
is inserted. The pin body part 62 is the fixed plate convex strip part 1
6 and the sliding plate protrusion 26 are misaligned, insert the fixing plate 1 up to the locking hole 15, and then insert the protrusion 1
6, the protruding portion 26 is released from the locking hole 15, and the neck portion 63, which has a smaller diameter than the body portion 62, is inserted into the locking hole 15.

Since the fan-stopping device of the present invention has the above-mentioned structure, the sliding plate 2 is held under the fixed plate 1 so as to be able to reciprocate, and the tension spring 3 is stretched from the stepped portion 13 of the fixed plate 1 to the front part 2a of the sliding plate. At the same time, the wire 4 is attached from the front end upright piece 21 of the sliding plate 2 to the front end upright wall 11 of the fixed plate 1.
A locking pin 6 is inserted into the long hole 14 of the stationary plate stepped portion 13 through the long groove 24 of the rocking plate cam portion 23, and one end of the lever 5 is pivotally supported to the pin 6 so as not to be detachable.

The fan stopper assembled as described above has the drawer side of the wire 4 facing the pivot side of the shoji A, the fixing plate 1 is screwed to the bottom surface a of the shoji, and the other end of the lever 5 is pivoted to the window lower frame F. With respect to the shoji A that rotates around the hinge part B, the lever 5 is made to rotate around the shaft support 8 of the window frame F that is distant from the hinge part B, and the long groove of the sliding plate 2 From 24 to the elongated hole 14 of the fixing plate 1
A pin 6 of a lever 5 inserted into the shoji door A is made to reciprocate along a long groove 24 and a long hole 14 in accordance with the opening and closing of the shoji A. In the lever 5, the body part 62 of the pin 6 comes out of the fixing plate locking hole 15, and the neck part 63 comes out of the long hole 14.
However, when the pin 6 reaches the locking hole 15 of the elongated hole 14, it is automatically raised by the compression spring 7 and the pin 6 is inserted into the locking hole 15.
Since the pin body 62 larger than 4 is inserted, the lever 5 becomes unable to slide when the pin 6 moves to the locking hole 15, and the shoji A is appropriately fixed in the open state.

When opening and closing the shoji A held in the open state, the wire 4 fixed to the sliding plate 2 is pulled against the tension of the spring 3, and the convex strip 16 of the fixed plate step 13 is pulled. If the protruding part 26 of the sliding plate cam part 23, which was in a misaligned state, is moved until it rides on the protruding part 16, the protruding height h of the protruding part 16 will be reduced.
The sliding plate 2 is separated downward from the fixed plate 1 by
As a result, the lever 5 is also pushed down, so that the pin body 62 inserted into the locking hole 15 of the fixing plate elongated hole 14 slips out from the locking hole 15 at the same time as the lever 5 leaves the locking hole 15. A neck portion 63 having a smaller diameter than the body portion 62 is inserted into the locking hole 1.
5 to the elongated hole 14, the lever 5 provided with the pin 6 can freely swing open and close around the fixture 8. In the above state, the shoji A swings open and close,
After the pin neck portion 63 pulled out to the locking hole 15 is moved from the locking hole 15 until it reaches the elongated hole 14, if the tension on the wire 4 is released, the convex strip portion 1 of the fixing plate 1 will be removed.
The sliding plate 2 is pulled backward by the spring 3 and returned to its original state until the protrusion 26 that has been riding on the protrusion 26 comes off the protrusion 16 and is offset. On the other hand, the compression spring 7 fitted into the pin 6 presses the sliding plate 2 and the lever 5 in the direction of the fixed plate 1, but the pin neck 63 is inserted into the long hole of the fixed plate.
4, the pin body 64, which is wider than the elongated hole 14, is inserted into the sliding plate elongated groove 24. Shoji A
The pin 6 moves from the elongated hole 14 to the next locking hole 15 due to the swinging.
When the pin body 62 is inserted into the locking hole 15 by the spring 7, the swinging of the shoji A is fixed.

Note that the specific implementation of the invention is not limited to the above embodiment, and includes a fixed plate 1 attached to the bottom surface a of the shoji, a sliding plate 2 held freely reciprocally below the fixed plate 1, The specific shape and structure of the locking pin 6 and the like inserted from the long groove 24 of the sliding plate 2 into the long hole 14 of the fixed plate 1 can be changed as appropriate as long as it does not go against the gist of this invention.

Therefore, the tilt-stop device of this proposal has a fixed plate attached to the bottom of the screen, a sliding plate held reciprocally below it, and a locking pin inserted from the other end of a lever journalled on the window sill into the long groove of the sliding plate and the long hole of the fixed plate, so that the screen can be opened and closed freely during the section where the locking pin, which is inserted through the sliding plate and fixed plate by the lever, is inserted into the long hole, but when the pin moves from the long hole to the locking hole, it is inserted deep into the locking hole and automatically locks the screen so that it cannot rotate. Moreover, the pin that locks the screen so that it cannot rotate can be easily released by operating the sliding plate from inside the room, and the screen can be opened, closed and rotated again until the released pin reaches the next locking hole. In other words, the anti-tilt device of this invention automatically locks the opening and closing rotation of the screen and releases the lock from inside the room, so even the screen of a hinged window can be opened and closed completely and easily from inside the room, and installation is also extremely easy, making this device a significantly more practical device for preventing the screen from opening and closing when rotated.

[Brief explanation of the drawing]

Figure 1 is a vertical sectional view of the lower part of a casement window with the proposed anti-tilting device installed, Figure 2 is a plan view showing the rotational relationship between the shoji and the lever, Figure 3 is a sectional view of the fixed plate, and Figure 4 is its Fig. 5 is a sectional view of the sliding plate, Fig. 6 is its bottom view, Fig. 7 is a bottom view of a similar fixed plate, Fig. 8
Figures 1 to 10 are cross-sectional views showing the structure of the main parts of the proposed device in the rotating state, locked state, and unlocked state of the shoji, and Figures 11 to 13 are enlarged cross-sectional views of the pin insertion part in the above states. , FIG. 14 is a front view of the locking pin. A... Shoji, a... Bottom, B... Hinge, F...
... Window sill, 1 ... Fixed plate, 11 ... Standing wall, 12
... Guide wall, 13 ... Stepped section, 14 ... Long hole, 15
... Locking hole, 16 ... Convex section, 2 ... Sliding plate, 2
1... Standing piece, 23... Cam part, 24... Long groove,
26... protrusion, 3... tension spring, 4...
Wire, 5... Lever, 6... Locking pin, 62...
...Body part, 63...Neck part, 61, 62...Brim part, 7
... Compression spring, H... Formation interval between the protruding stripes and the protruding portion, h... Projection height of the protruding stripes, S... Long groove width.

Claims (1)

[Scope of utility model registration request] A sliding plate 2 is held reciprocatingly below a fixed plate 1 attached to the bottom surface a of the shoji, and a stepped part 13 that is one step lower at the rear than the middle part of the fixed plate is placed at the rear from the front part of the sliding plate. A cam part 23 is provided opposite to the fixed plate step part, and a long hole 14 that becomes long in the reciprocating direction is provided in the step part of the fixed plate, and wide locking holes 15 are provided in some places in the long hole, and a cam part 23 is provided at several places in the step part to intersect with the long hole. A protruding strip 16 is formed to protrude downward, and a long groove 24 wider than the fixed plate elongated hole is provided in the sliding plate cam portion so as to face the elongated hole.
Protrusions 26 are provided on the cam part at the same formation interval H as the protrusions, and the other end of the lever 5, one end of which is pivotally supported on the window lower frame F, is fitted with a fitting that is inserted from the long groove of the sliding plate into the long hole of the fixed plate. A stop pin 6 is provided so that the pin can move within the elongated hole when the protruding part and the protruding part are misaligned, and automatically locks when it reaches the locking hole, so that the protruding part and the protruding part overlap. A shoji locking device for casement windows that is released from the locking hole.