JPH0516376Y2 - - Google Patents

Description

[Detailed description of the invention] [Industrial field of application] This invention is a window shoji holding device that keeps the shoji of casement windows, revolving windows, etc., which are opened by rotation, in an open state at a predetermined position. It is related to.

[Problems to be solved by the prior art and the invention]

Conventionally, the mechanism that holds the shoji open in casement windows, etc., is installed between the stile and the window frame separately from the handle that opens and closes it, but with this structure, the holding mechanism is linked to the handle. Because there is no shoji, the operation must be performed twice when opening the shoji.

Therefore, the applicant proposed in Utility Model Application No. 58-159272 a mechanism in which an arm and a handle installed between a stile and a window frame are interlocked by a connecting rod circulating inside the stile.

This holding mechanism reciprocates the belt by rotating the handle, rotates one end of the arm, and uses a universal joint to transmit rotational force to the arm regardless of the opening angle of the shoji, and the rotational force is applied to the outer circumference of the arm. The open state is maintained by locking a provided pin into a groove in the cylinder, but since a universal joint is used, there is a limit to the opening angle, and a holding mechanism is provided within the arm, which requires a large number of parts. There are some inconveniences such as

This invention attempts to improve the above-mentioned problem by using the tension of the reciprocating wire that links the handle and the holding mechanism with the connecting rod to lock the arm.

[Means for solving problems]

In this invention, one end of the arm 1 is pivotally supported on the stile D that constitutes the shoji C using a bracket 4, and the other end of the arm 1 is slidably inserted into a locking block 3 fixed to the window frame E. A wire 5 is arranged between a handle A provided on the stile and the arm 1, and by rotating the handle A, the wire 5 is tensioned so that the shoji C can be opened and closed, and by rotating the handle A in the opposite direction, the wire 5 is In the window B, in which the shoji C is kept open at a predetermined angle by relaxing the shoji C, a rod 2 is slidably inserted into the arm 1, and a wire 5 is connected to the end of the rod 2 on the side of the bracket 4. At the same time, the spring 6 urges the rod 2 from the bracket 4 side to the locking block 3 side, thereby forming a tapered insertion hole 1a that expands toward the surface of the arm 1 at a required distance in the length direction of the arm 1. A locking groove 2a having a tapered surface expanding toward the surface in the biasing direction of the spring 6 is provided at the same position as the insertion hole 1a of the arm 1 of the rod 2 when the wire 5 is in a relaxed state. A locking pin 3b biased by a locking spring 3a is built into the locking block 3, and this locking pin 3b
When the wire 5 is relaxed, it is inserted into a predetermined insertion hole 1a of the arm 1 and locked in the locking groove 2a of the rod 2, and when the wire 5 is tensed, it is pressed against the tapered surface of the locking groove 2a and released from the locking groove 2a. This is a window shoji holding device characterized in that it is adapted to be moved.

〔Example〕

This invention will be explained below as an example based on a drawing showing a casement window.

The shoji holding device of this invention is used in a window B in which an arm 1 is installed between a stile D and a window frame E of a shoji C as shown in FIG. The arm 1 is brought into a locked state by operating the handle A, and the shoji C is held in the open state.

As shown in the figure, a wire 5 for transmitting the rotational force of the handle A to the arm 1 is disposed inside the frame D.
One end is connected to the handle A, and the other end is connected to the rod 2 in the arm 1. For example, it is connected to a pulley A' connected to the handle A so that it is pulled when the handle A is rotated, and tension and relaxation are switched by the rotation of the handle A. The wire 5 is guided into the stile D by a sheath 8, as shown in FIG.

As shown in FIGS. 1 and 2, one end of the arm 1 is inserted through a locking block 3 fixed to the window frame E.
One end is fixed to a bracket 4 that is pivotally supported by the stile D, and as the shoji C opens and closes, it slides into the locking block 3 and rotates about this and the bracket 4 as an axis.

As shown in Fig. 3, a rod 2 is fitted inside the arm 1 and slides as the handle A is rotated. A wire 5 that reciprocates within D is connected.

This rod 2 is biased from the bracket 4 side to the locking block 3 side by a spring 6 installed in the arm 1, and under normal conditions, the pin 1b (described later) is locked in the guide groove 2b by this spring 6. Then, the arm 1 returns to the state where it abuts against the cap 7 which is placed over the end of the window frame E side.

A pin 1b is screwed onto the outer peripheral surface of the rod 2, as shown in FIG. 4, which shows a cross section taken along the Y-Y line in FIG.
A guide groove 2b, which guides the rod 2 when it slides, is formed by the amount of movement of the rod 2, and prevents rotation when it slides.

As shown in FIG. 3, the locking pin 3b of the locking block 3, which will be described later, is inserted into the locking block 3 side of the arm 1 and the rod 2, and there is an insertion hole 1a that expands toward the surface of the arm 1 to be locked. A locking groove 2a having a tapered surface that expands toward the surface in the biasing direction of the spring 6 is provided at the same position as the insertion hole 1a at a distance in the length direction. The insertion hole 1a and the locking groove 2a are provided in the same position when the rod 2 has returned to its normal position, overlapping each other as shown in FIG. Stop groove 2
The side surfaces in the longitudinal direction are tapered so that locking to the locking groove 2a and releasing from the locking groove 2a can be smoothly performed.

The bracket 4 to which the arm 1 is fixed is shown in FIG.
As shown in FIG. 3, it is fixed to the frame D, while the locking block 3 is pivotally supported by the window frame E.

A locking pin 3b is attached in the locking block 3 in a state in which it is urged toward the arm 1 by a locking spring 3a, as shown in FIG. 3, which shows how the locking pin 3b is released.

When the wire 5 is loosened, this locking pin 3b is in a state where it can be locked in the locking groove 2a as close as possible by opening and closing the shoji C, and by adjusting the opening angle of the shoji C, as shown in FIG. Predetermined locking groove 2
a, and the open state of the shoji C is maintained.

Conversely, to release the locking pin 3b, fold down the handle A and pull the wire 5 toward the handle A,
By moving the rod 2 toward the bracket 4, the locking pin 3b is pressed by the tapered side surface of the locking groove 2a and pushed out of the rod 2 and further out of the arm 1. At this time, the arm 1 is in a state where it can freely slide on the locking block 3, and the shoji C is in a state where it can be freely opened and closed.

In this way, holding and releasing the shoji C can be switched by rotating the handle A.

[Effect of idea]

This idea is as described above, and a rod is slidably fitted into the inside of the arm, a wire is connected to the end of the rod on the bracket side, and the rod is biased toward the locking block side by a spring, and is pressed against the surface of the arm. A locking groove is provided with a tapered insertion hole that expands in the direction in which the spring is biased, and a locking groove that has a tapered surface that expands toward the surface in the direction in which the spring is biased. A built-in pin is designed so that when the wire is relaxed, it fits into a specified insertion hole in the arm and is locked in the locking groove of the rod, and when the wire is tensed, it is pressed against the tapered surface of the locking groove and released from the locking groove. Therefore, the shoji is locked and released using the tension of the wire and the bias of the spring, and is done only by rotating the handle, which simplifies the force transmission mechanism and simplifies the overall structure. will be done.

Furthermore, since the arm is rotatably installed between the stile and the window frame, there is no limit to the opening angle of the shoji, and the shoji can be kept open at a relatively arbitrary position.

[Brief explanation of the drawing]

Figure 1 is a perspective view showing the entire window, Figure 2 is a perspective view showing how the arm is attached, Figure 3-,
are a plan view, a cross-sectional view, and a fourth view showing the arm, respectively.
Figure 3 indicates X-X line and Y line in Figure 3, respectively.
-Y line sectional view, and FIG. 5 is a partial sectional view showing the locked state of the arm. A...handle, A'...pulley, B...window, C
... Shoji, D ... Frame, E ... Window frame, 1 ... Arm, 1a ... Insertion hole, 1b ... Pin, 2 ... Rod, 2a ... Locking groove, 2b ... Guide groove, 3 ……
Locking block, 3a... Locking spring, 3b... Locking pin, 4... Bracket, 5... Wire, 6...
Spring, 7... Cap, 8... Sheath.

Claims (1)

[Scope of utility model registration request] One end of the arm 1 is pivotally supported on the stile D that constitutes the shoji C using a bracket 4, and the other end of the arm 1 is slidably inserted into the locking block 3 fixed to the window frame E, and attached to the stile. A wire 5 is disposed across the provided handle A and the arm 1, and by rotating the handle A, the wire 5 is tensioned so that the shoji C can be opened and closed, and by rotating the handle A in the opposite direction, the wire 5 is relaxed. In window B, which maintains the open state of shoji C at a predetermined angle, a rod 2 is installed inside arm 1.
A wire 5 is connected to the end of the rod 2 on the bracket 4 side, and a spring 6 urges the rod 2 from the bracket 4 side to the locking block 3 side. A tapered insertion hole 1a is provided that expands toward the surface of the arm 1 at a required distance in the direction, and expands toward the surface at the same position as the insertion hole 1a of the arm 1 of the rod 2 when the wire 5 is in a relaxed state. A locking groove 2a having a tapered surface is recessed, and a locking pin 3b biased by a locking spring 3a is built into the locking block 3, and this locking pin 3b is inserted into the arm 1 when the wire 5 is loosened. The locking groove 2 of the rod 2 is inserted into the predetermined insertion hole 1a of the rod 2.
A shoji holding device for a window, characterized in that the shoji holding device for a window is latched to the latching groove 2a and released from the latching groove 2a by being pressed by the tapered surface of the latching groove 2a when tensioned.