JP4441342B2 - Device for preventing misoperation of the shoji locking mechanism - Google Patents

Description

  The present invention relates to a locking mechanism for shojis such as windows and doors, and more particularly to an erroneous operation preventing device for shoji locking mechanisms that can prevent erroneous operation of the locking mechanism.

  A locking mechanism is used in which a shoji side engaging member is provided on the shoji, and an interlocking plate having a frame side engaging member on the shoji frame and an operation unit for moving the interlocking plate are provided to lock the shoji (for example, , See Patent Document 1). According to this mechanism, when the interlock plate is moved through the operation portion when the shoji is closed, the frame side engaging member can be locked by being engaged with the shoji side engaging member, and when the shoji is opened, the operation portion is interlocked. When the plate is moved in the opposite direction, the frame side engaging member and the shoji side engaging member are disengaged and unlocked.

Usually, the operation part is composed of a lever or the like, and the lever can be operated regardless of the position of the shoji. Therefore, the interlocking plate is moved to the locking position via the operation part before the shoji is completely closed. You can also. For this reason, there has been a case in which an erroneous operation that the user is not actually locked even if the user forgets to lock or thinks that locking has occurred. Patent Document 1 discloses an erroneous lock prevention means for preventing such an erroneous operation. This means is provided separately from an engaging member for locking the shoji, and is a moving member (interlocked). This is a structure in which a notch is formed in the plate and the rear plate-like part provided on the stopper is engaged with this notch, and a separate member such as a cam, hook or cam follower is required to lock the shoji. Is complicated and cannot be obtained economically. Further, it cannot be retrofitted into an existing locking mechanism.
JP 2001-279983 A (Claims 3, (0040), (0043), FIGS. 3 to 6)

  The problem to be solved by the present invention is that the shoji locking mechanism of the shoji locking mechanism, which can prevent the misoperation with a simple structure and can be retrofitted to the locking mechanism of the existing structure, is used in the locking mechanism of the shoji type using the interlocking plate Is to provide.

  According to the present invention, the shoji side engaging member is provided on the open end side of the shoji, and the interlocking plate having the frame side engaging member is movably provided on the shoji frame. Move the plate to the locked position to engage the frame side engaging member with the shoji side engaging member, and when opening the shoji, move the interlocking plate to the unlocked position to engage the frame side engaging member and the shoji side engaging In the shoji locking mechanism in which the members are disengaged, a stopper is provided on the shoji frame so as to engage with the frame side engaging member when the interlocking plate is in the unlocked position, and the stopper is provided when the shoji is closed. A device for preventing erroneous operation of the shoji locking mechanism is provided, wherein the stopper is movably provided so that the stopper is moved to a position where the stopper is disengaged from the frame side engaging member. .

  The present invention is configured as described above, the shoji side is provided with a shoji side engaging member, the shoji frame is movably provided with an interlocking plate having a frame side engaging member, and the interlocking plate is moved by an operating portion to be locked, The structure for unlocking is the same as that of the conventional locking mechanism, and a stopper is provided on the shoji frame to engage the frame side engaging member when the interlocking plate is in the unlocking position. Since the stopper is movably provided so that the stopper is moved to a position where the stopper is detached from the frame side engaging member when the shoji is closed, the interlocking plate can be moved unless the shoji is closed and the stopper is removed. Can not. Therefore, it is possible to prevent an erroneous operation of the operation unit that makes the user think that the lock has been performed even though the lock is not performed. Moreover, since the stopper is directly engaged with the frame-side engagement member using the frame-side engagement member that holds the shoji in the locked position, it can be retrofitted into an existing locking mechanism, The structure is simple and can be obtained economically.

  The present invention can be applied to any type of shoji that opens and closes the shoji around the horizontal axis and laterally opens and closes around the vertical axis. The shoji side engagement member (2) as shown in FIG. 3 is provided on the side surface of the open end side of the shoji (1).

  On the other hand, the vertical frame of the shoji frame (3) is provided with an attachment member (4) at a position facing the shoji side engaging member (2). An interlocking plate (6) having a frame-side engaging member (5) that can be engaged with the shoji-side engaging member (2) is slidably attached to the mounting member (4). A leaf spring (7) (FIG. 2, broken line) is provided on the back surface of 6) so as to elastically contact the mounting member (4).

  An interlocking pin (8) projects from the interlocking plate (6), and a cam plate (9) having a cam surface surrounding the interlocking pin (8) is provided on the operation portion main body (10). The cam plate (9) moves up and down in the drawing by rotating a lever (11) pivotally attached to the operation portion main body (10), and can move the interlocking plate (6) in the longitudinal direction. In the case of the embodiment shown in the figure, since the interlocking plate (6) is provided in the vertical frame of the shoji frame (3), when it moves along the vertical frame and rises, the above-mentioned shoji side engaging member ( 2) and the frame side engaging member (5) are engaged with each other in the locking position (FIG. 1). When it is in the unlocked position (FIG. 2) and provided in the horizontal frame of the shoji frame, the interlocking plate moves left and right. Although such a locking mechanism is widely known, its detailed configuration will not be described in detail.

In the embodiment shown in the figure, the above-mentioned shoji-side engaging member (2) is an engaging frame (14) formed with an engaging groove (13) extending in the vertical direction following the inlet (12). The frame (14) has a contact piece (15) bent sideways. The frame side engaging member (5) is constituted by an engaging pin (16) having a diameter that can be inserted into the engaging groove (13) through the inlet (12). An enlarged head (17) that enters the inner surface of the engagement frame (14) and has a retaining action can be provided at the tip of 16).

  The shoji frame (3) is provided with a stopper (18). The stopper (18) includes an engagement surface (19) that can be engaged with the frame side engagement member (5), that is, an engagement pin (16), and an abutment plate (20) that rises toward the front in FIG. And pivotally attached to a shaft (22) of a stopper body (21) attached to the shoji frame (3) with a screw or the like. A spring (23) is attached to the shaft (22), and one end (24) of the spring (23) abuts against a spring receiving portion (25) formed on the stopper body (21), and the like. The end (26) comes into contact with a bent piece (27) formed on the stopper (18), and a stopper is attached so that the contact plate (20) of the stopper (18) faces toward the interlocking plate (6). It is fast. The stopper (18) is moved in the direction of the interlocking plate (6) at a position where the stopper (28) formed on the stopper (18) hits the step (29) provided on the stopper body (21). Be blocked. Moreover, the shape of the said engaging surface (19) of a stopper can be changed into the various shapes corresponding to the structure of the frame side engaging member which remove | deviates from a frame side engaging member by a shoji.

  With the above configuration, when the shoji is open and the interlocking plate (6) is in the unlocked position as shown in FIG. 2, the engaging pin (16) has the engaging surface (19) of the stopper (18). Are engaged. Accordingly, even if the lever (11) of the operation unit main body (10) is to be rotated, the upward movement of the interlocking plate (6) is restricted, so that the lever (11) can be rotated. Can not.

  When the shoji (1) is closed, as shown in FIG. 1, the abutting piece (15) of the engaging frame (14) provided on the shoji hits the abutting plate (20) of the stopper (18). 18) moves backward in the direction away from the interlocking plate (6) against the spring (23), and the engagement surface (19) is disengaged from the engagement pin (16). Therefore, the interlocking plate (6) can be moved upward by rotating the lever (11) of the operation portion main body (10). Since the engaging pin (16) is in the entrance (12) of the engaging frame (14) when the shoji is closed, it is inserted into the engaging groove (13) when the interlocking plate (6) rises. The shoji (1) is locked (FIG. 1).

  In order to open the shoji (1), the lever (11) of the operation unit main body (10) is rotated in the reverse direction, and the interlocking plate (6) is moved downward in FIG. After the 16) is opposed to the entrance (12) of the engagement frame (14), the shoji (1) may be rotated. When the shoji (1) rotates, the stopper (18) that has come into contact with the contact piece (15) of the engagement frame (14) moves toward the interlocking plate (6) by the action of the spring (23). The engagement surface (19) engages with the engagement pin (16) and restrains the movement of the interlocking plate (6) (FIG. 2).

  In the embodiment shown in the figure, the interlocking plate (6) is locked when it is raised, and unlocked when it is lowered. Thus, it can be configured to be unlocked when it is raised and locked when it is lowered, and the engaging member and the stopper can be provided at a plurality of locations for one shoji and can be interlocked with an interlocking plate.

The explanatory view of the locked state which shows one example of the present invention. Explanatory drawing of an unlocked state. The front view of the shoji side engaging member provided in the shoji.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Shoji 2 Shoji side engagement member 3 Shoji frame 5 Frame side engagement member 6 Interlocking plate 10 Operation part main body 11 Lever 14 Engagement frame 15 Contact piece 16 Engagement pin 18 Stopper 19 Engagement surface 20 Contact plate 21 Stopper Body

Claims (3)

A shoji-side engaging member is provided on the open end of the shoji, and an interlocking plate having a frame-side engaging member is provided on the shoji frame so that the interlocking plate can be moved. Then, the frame side engaging member is engaged with the shoji side engaging member, and when the shoji is opened, the interlocking plate is moved to the unlocked position to disengage the frame side engaging member from the shoji side engaging member. In the shoji locking mechanism, the shoji side engaging member is an engaging frame having an engaging groove that forms an inlet and an abutting piece that is bent laterally, and the frame side engaging member closes the shoji. An engagement pin that can be inserted into the engagement groove of the engagement frame, and a stopper body is attached to the shoji frame , and a contact plate that contacts the contact piece of the engagement frame and the stopper body stopper is provided with an engagement surface which engages with the engaging pin, the axis of the stopper the interlocking plate unlocking position near Said that the engagement surface engages with the engagement pin, the stopper and the abutting piece hits the engagement frame sash to the abutment plate when closing the sliding door is moved to a position out of engagement pin when A device for preventing erroneous operation of a shoji locking mechanism, wherein the device is pivotally attached to a stopper main body and urged so as to be swingable in the direction of the interlocking plate. The erroneous operation preventing device for a shoji locking mechanism according to claim 1, wherein the engagement pin has an enlarged head that enters an inner surface side of the engagement frame. 3. The device for preventing erroneous operation of the shoji locking mechanism according to claim 1, wherein a plurality of the shoji side engaging members, the frame side engaging members and the stoppers are provided for one shoji.

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