JP4441346B2 - 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 operation error prevention device for shoji locking mechanisms that can prevent erroneous operation of the locking mechanism using an interlocking plate.

  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 is a case in which an erroneous operation that the user is not actually locked even if the user forgets to lock or thinks that the user has locked the door may occur. 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 directly engaged with this notch. In order to lock the shoji, separate members such as cams, hooks and cam followers are required. The structure was complicated and could not be obtained economically.
JP 2001-279983 A (Claims 3, (0040), (0043), FIGS. 3 to 6)

  The problem to be solved by the present invention is to provide a device for preventing misoperation of a shoji locking mechanism that can easily prevent misoperation using a guide block that holds the interlocking plate in the shoji locking mechanism using the interlocking plate. It is.

  According to the present invention, an engagement frame is provided on the open end side of the shoji, the interlock plate having the engagement pin on the shoji frame, and the guide having the guide groove through which the interlock pin is movably held and inserted. A block is provided, and when the shoji is closed, the interlocking plate is moved to the locking position via the operation unit to engage the engaging pin with the engaging frame, and when the shoji is opened, the interlocking plate is set to the unlocking position. In the shoji locking mechanism that moves to disengage the engaging pin from the engaging frame, a lock plate is provided on the guide block so as to engage with the engaging pin when the interlocking plate is in the unlocked position. A device for preventing erroneous operation of the shoji locking mechanism is provided, wherein a receiving portion is formed on the lock plate so that the lock plate is moved to a position where the shoji is pushed to disengage from the engaging pin when closing the shoji. The problem is solved.

  The present invention is configured as described above, and a lock plate is provided on a guide block that holds an interlocking plate having an engagement pin, and when the shoji is opened and the interlocking plate is in the unlocked position, the lock plate is used as the engagement pin. Since the lock plate is formed so that the lock plate moves to a position where it is pushed away from the engagement pin when it is engaged and closed, the interlock plate is moved if the door is not closed. Therefore, even if it is attempted to operate the operation unit, the operation unit cannot be moved. Therefore, it is possible to prevent an erroneous operation that makes the user think that the user is locked although the user is not locked. In addition, since it is only necessary to attach the lock plate to the guide block that holds the interlocking plate, the configuration is simple and can be obtained economically.

  The present invention can be applied to a sliding door such as a vertical opening type that opens and closes a shoji around a horizontal axis and a horizontal opening type that opens and closes around a vertical axis. However, in the embodiment shown in the figure, A side-opening type shoji is shown, and an engagement frame (2) as shown in FIG. 1 is provided on the side surface of the shoji (1) on the open end side. The engagement frame (2) is engaged with the entrance (4) into which the engagement pin (3) enters and the engagement pin (3) entered into the entrance (4) is raised in FIG. Has a groove (5). An enlarged head (6) is provided at the tip of the engagement pin (3) so as to enter the inner surface side of the engagement frame (2) and exert a retaining action. The engagement frame (2) and the engagement pin (3) as described above are preferably provided at a plurality of locations along the side surface with respect to one shoji.

  A plurality of guide blocks (8) are fixed to the vertical frame of the shoji frame (7) along the frame with mounting screws (9), and the guide block (8) can be moved up and down in FIGS. The interlocking plate (10) is inserted through the. The interlocking plate (10) is provided with a through hole (11) for penetrating the mounting screw (9) portion, and the engagement pin (3) engaged with the engagement frame (2) is provided. It protrudes at a plurality of locations corresponding to the engagement frame (2) of the shoji. The engaging pin (3) protrudes through a guide groove (12) formed in the guide block (8), and when the shoji is closed, the distal end portion enters the inlet (4) of the engaging frame (2) facing each other. It is so positioned.

  An interlocking pin (13) for moving the interlocking plate projects from the end of the interlocking plate (10). The interlocking pin (13) protrudes through the guide groove (15) of the proximal end side guide block (14), and a cam plate (16) having a cam surface surrounding the interlocking pin (13) is attached to the operation portion main body (17). Is provided. The cam plate (16) moves up and down in the drawing by rotating a lever (18) pivotally attached to the operation portion main body (17), and can move the interlocking plate (10) in the longitudinal direction. In the case of the embodiment shown in the figure, since the interlocking plate is provided on the vertical frame of the shoji frame, the engagement pin (3) engages with the engagement frame (2) when it moves along the vertical frame and rises. The locking position engages with the mating groove (5). When the locking position is lowered, the locking pin (3) is unlocked from the engagement frame (2). When an interlocking plate is provided on the horizontal frame of the shoji frame, the interlocking plate moves left and right. Since such a locking mechanism is widely known, its detailed configuration will not be described in detail.

Among the guide blocks, at least one guide block (8) is provided with a lock plate (19). As shown in FIG. 4, the lock plate (19) has guide grooves (20) and (20) at both ends, and guide pins (21) are inserted into the guide grooves (20). By fixing (21) to the outer surface of the guide block (8), it is provided so as to be movable in the lateral direction in the figure .

The lock plate (19) is formed with a locking piece (22) so as to engage with the engagement pin (3) when the interlocking plate (10) is in the unlocked position. Engagement pin (3
) Is urged by a spring (23) in a direction to engage with. Further, when the shoji (1) is closed, the lock plate (19) moves to a position where it is pushed against the side surface of the engaging frame (2) provided on the shoji (1) and released from the engaging pin (3). A receiving portion (24) is formed. In the embodiment shown in the figure, the receiving portion (24) is formed into a plate-like piece by raising the inner edge of the lock plate (19) .

  Thus, FIGS. 2, 3 and 5 show the locked state in which the shoji (1) is closed and the engaging pin (3) is engaged with the engaging frame (2). At this time, the lock plate (19) is pressed against the side surface of the engagement frame (2), moves to the side against the spring (23), and does not restrain the movement of the engagement pin (3). is there.

  When the lever (18) of the operation part is rotated to lower the cam plate (16) and lower the interlocking plate (10), the engagement pin (3) becomes the entrance (4) portion of the engagement frame (2). To enter the unlocked state. When the shoji (1) is opened, the lock plate (19) that has been moved to the side by being pressed by the side surface of the engagement frame (2) is restored by the action of the spring (23), and The piece (22) engages with the engagement pin (3) (FIG. 6).

  As described above, when the interlocking plate (10) is moved to the unlocked state, the locking piece (22) of the lock plate (19) is in contact with the engagement pin (3), so that the operation portion The lever (18) cannot be rotated even if the lever (18) is rotated to raise the interlocking plate (10) in the drawing.

  When the shoji (1) is closed, the side surface of the engagement frame (2) provided on the shoji (1) hits the receiving portion (24) of the lock plate (19), and the lock plate (19) is moved, The engagement between the locking piece (22) and the engagement pin (3) is released. Therefore, the interlocking plate (10) can be moved, the lever (18) of the operation portion is rotated to raise the interlocking plate (10) in the drawing, and the engaging pin (3) is moved to the engaging frame (2 ) In the engagement groove (5) (FIG. 5).

Explanatory drawing which shows the relationship between an engagement frame and an engagement pin. The front view of a locked state. The side view of the state shown in FIG. The perspective view which shows an example of a lock plate. Explanatory drawing of a locked state. Explanatory drawing of an unlocked state.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Shoji 2 Engagement frame 3 Engagement pin 7 Shoji frame 8 Guide block 10 Interlocking plate 19 Lock plate 22 Locking piece 24 Receiving part

Claims (3)

An engagement frame is provided on the open end side of the shoji, an interlocking plate having an engagement pin on the shoji frame, and a guide block having a guide groove through which the engagement pin is inserted while movably holding the interlocking plate is provided. When the door is closed, the interlocking plate is moved to the locking position via the operation portion to engage the engaging pin with the engaging frame, and when the shoji is opened, the interlocking plate is moved to the unlocking position to engage the engaging pin. In the shoji locking mechanism in which the engagement plate is removed from the engagement frame, a lock plate is formed on the outer surface of the guide block, and guide grooves formed on both ends of the lock plate are inserted into guide pins fixed to the guide block. A lock plate is provided so as to be movable in the lateral direction, a receiving portion that abuts on the engagement frame is erected on the lock plate, and a locking piece that engages with the engagement pin is formed. The board is in the unlocked position Engage Rutoki locking pieces to the engaging pin, the engaging so that the lock plate is moved to a position out of engagement pin pushed hitting is receiving the engagement frame該障Ko when closing the sliding door A device for preventing erroneous operation of a shoji locking mechanism, wherein the device is biased in a direction to engage with a mating pin. 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. The said engaging frame and the engaging pin are provided with two or more with respect to one shoji.
Device for preventing misoperation of the shoji locking mechanism described in 1.

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