JP2007247357A - Fastener fitting and window sash using this fitting - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To prevent erroneous operation thought as being locked, in a fastener fitting for locking and unlocking, by engaging with a receiving tool by moving up and down a lock pin by a lever. <P>SOLUTION: A trigger 33 is arranged in a body 1 having the lock pin 3. This trigger 33 has an engaging part 34 engaging with the lock pin 3 and an abutting part 35 abutting on the receiving tool 2. When a window sash opens, since the lock pin 3 engages with the engaging part 34, the lever 9 cannot be operated. When closing the window sash, the abutting part 35 abuts on the receiving tool 2, and since the trigger 33 retreats, the lock pin 3 can be moved and locked by the lever 9. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention uses a fastener that rotates a lever to move a lock pin up and down, and enters or exits the receiving groove of the receiving tool to lock and unlock a window shoji and the same. Regarding window shoji.

Mount the main body having the lock pin on the window screen and the expected surface of the window frame, and the receiving device having the receiving groove in a facing state, and lock the window shoji by moving the lock pin into the receiving groove when the window screen is closed. Such fasteners are known (see, for example, Patent Document 1). According to this fastener, the window shoji can be pulled and locked by a simple lever operation, so that it is used conveniently, but the lever can be operated regardless of the position of the window shoji. Therefore, it may not be locked even if it is locked by forgetting to lock it or operating it in a state where the window screen is not completely closed, which is not preferable for crime prevention. Moreover, since the rotation of the lever itself is not restrained in the locked state, it cannot be said that it is sufficiently safe. In addition, although the apparatus which prevented the locking operation if the window screen is not closed is also known, the configuration is complicated and cannot be obtained economically.
JP 2002-188336 A (FIGS. 1 to 5)

  The problem to be solved by the present invention is that, in the above-described fastener, the lever operation cannot be performed unless the window screen is closed, and the lever can be locked in a locked state, and the configuration is simple. It is to provide a fastener that is economically obtained and has a durable misoperation prevention and crime prevention function and a window shoji using the same.

  According to the present invention, a main body having a lock pin provided so as to linearly move by lever operation, and a receiving tool having a receiving groove for receiving the lock pin are attached to the window shoji and the expected surface of the window frame so as to face each other. A trigger having an engaging portion capable of projecting into the moving path of the lock pin in a fastener that locks or unlocks the window shoji by allowing the lock pin to enter or exit the receiving groove with the shoji closed. Is provided on the main body so as to be movable along the prospective surface of the window screen, and the engagement portion is urged in a direction in which the engagement portion projects into the moving path of the lock pin, and the engagement portion is closed when the window screen is closed. Provided is a fastener and a window shoji using the same, wherein the trigger is provided with an abutting portion that abuts against the receiving tool so as to move the lock pin in a direction of retreating from the moving path. Be done

  Further, according to the present invention, when the lever is in the locked position, the lock device is provided to prevent the lever from rotating, and the lock device can be engaged with a locking edge of a crank that linearly moves the lock pin. There are provided the above-mentioned fastener including a simple locking piece and a window screen using the same.

  The present invention is configured as described above, and is provided with a trigger having an engaging portion that can project in the moving path of the lock pin so as to be movable along the expected surface of the window shoji, and comes into contact with the receiving member when the window shoji is closed. Since the trigger is provided with a contact portion so that the trigger moves in a direction in which the engagement portion moves out of the path of movement of the lock pin, the lock pin is engaged with the trigger engagement portion when the window shoji is not closed. The movement is restrained by the lever, and even if it is attempted to enter the lock pin into the receiving groove of the receiving tool by the operation of the lever, it cannot be moved, and a situation that makes it seem that the lock is accidentally locked can be prevented. When the window shoji is closed, the abutment part of the trigger hits the receiver and the engaging part retreats from the movement path of the lock pin, so that the lock pin enters the receiving groove of the receiver by operating the lever. Can be locked.

  As mentioned above, the trigger moves in contact with the receiving tool, but since this trigger is configured to move along the expected surface of the window shoji, the structure is simple and does not require a large space. It can be used effectively, and can be easily incorporated into a main body provided with a lock pin, and can be economically obtained by being placed in a window screen or a window frame. Furthermore, when the lever is in the locking position, the locking state of the window shoji can be made more reliable and safer by providing a lock device that prevents the lever from rotating.

  The drawings show an embodiment of the present invention. As shown in FIGS. 1 to 5, the fastener of the present invention includes a main body (1) having a lock pin (3), and a receiving groove into which the lock pin enters ( 4), the main body (1) and the receiver (2) are provided opposite to the prospective surfaces of the window shoji (5) and the window frame (6), and are shown in the figure. In the embodiment, the main body (1) is attached to the window shoji (5) and the receiver (2) is attached to the window frame (6). However, the main body (1) is attached to the window frame (6) and the receiver ( You may make it attach 2) to a window shoji (5).

  The case (7) of the main body (1) is formed of a plastic material, and is reinforced by attaching a reinforcing case (8) formed of a metal material to the back surface. A pivot (10) of a lever (9) is pivotally attached to the case (7), and the lever (9) is formed by insert molding a base material made of a metal material into a plastic material. . A crank (12) having a crankpin (11) is fixed to the pivot (10) of the lever (9) in a non-rotating state. The crank (12) can rotate to a position where the side (13) abuts on a columnar protrusion (14) projecting from the back surface of the case (7), and is in slidable contact with the tip of the crank (12). It is elastically held at a position rotated by a linear leaf spring (15).

  The crank (12) is formed with a locking edge (16) protruding laterally, and the main body (1) is engaged with the locking edge (16) when the lever (9) is in the locked position. Possible locking devices are provided. As shown in FIG. 4, the lock device includes a lock piece (18) having a mountain-shaped engagement end (17) engaged with the locking edge (16), and a surface side of the main body (1). It includes a knob (19) for slidingly operating the lock piece (18), and a leg piece (20) is integrally projected on the back surface of the knob (19), and the leg piece (20) is attached to the case (7). ) Is inserted through a through hole (21) provided at the tip thereof and connected to the lock piece (18). When the knob (19) is operated, the lock piece (18) is guided to the side wall (22) provided on the side wall of the case (7), the side surface of the columnar protrusion (14) and the reinforcing case (8). 4 moves up and down.

  The lock piece (18) is formed with a side (24) provided with a hole (23) so that it can be easily bent, and the side (24) projects sideways. A stop projection (25) is provided, and recesses (26) and (27) are provided on the side wall of the case (7). When the locking piece (18) is lowered to a position where the locking projection (25) fits into the recess (26), the engagement end (17) engages with the locking edge (16) of the crank (12), The locked state that prevents the crank (12) and the lever (9) from rotating is obtained. Further, when the locking piece (18) is raised to a position where the locking projection (25) is fitted into the recess (27), the engagement end (17) is disengaged from the locking edge (16), and the crank (12) And it will be in the unlocking state which accept | permits rotation of a lever (9). The above locking device is an example, and other appropriate locking devices can also be used.

  The crank pin (11) of the crank (12) is fitted into a groove (30) between the legs (29) and (29) of the slider (28), and the lock pin (3) is inserted into the slider (28). It is fixed to. The slider (28) has a sliding groove (32) that fits into a protrusion (31) provided on the back surface of the case (7), and rotates the crank (12) via the lever (9). By doing so, it moves up and down in FIG.

  The main body (1) is provided with a trigger (33) movably along a prospective surface of the window screen (5). The trigger (33) includes an engaging portion (34) that can project into a moving path in which the lock pin (3) moves linearly in the figure, and a side surface of the receiving device (2) when closing the window shoji. And a contact portion (35) for moving the trigger in a direction in which the engagement portion (34) is withdrawn from the movement path of the lock pin (3). The trigger can be formed in various shapes, but in the embodiment shown in the figure, it is formed in a plate shape with a metal material, and the edge is projected in the direction along the projection surface to form the engagement portion (34). In addition, the contact portion (35) is formed by raising a part in a substantially L shape toward the finding direction. The engaging portion (34) has an inclined surface (36) on the abutting portion side and a substantially mountain shape having an engaging surface (37) shaped along the outer periphery of the lock pin (3) on the other side. Is formed.

  On the substrate (38) of the case (7) of the main body (1), as shown in FIG. 6, by opposing side walls (39), (39) and a top plate (40) existing at the upper end of the side wall, A storage space (41) whose front is open and whose rear end is closed is formed integrally with the case (7). The storage space (41) includes a trigger spring (42) for biasing the trigger (33) in a direction in which the trigger (33) and the engaging portion of the trigger (33) protrude into the moving path of the lock pin. Has been inserted. The trigger (33) is formed with a locking claw (43) protruding laterally, and the side wall (39) is formed with a long hole (44) for restricting the movement range of the trigger (33). ing. The trigger (33) is pushed against the elasticity of the side walls (39), (39) made of plastic material from the opening on the front surface of the storage space (41), and the locking claws (43), (43) are When fitted into the long hole (44), the trigger (33) is guided by the side walls (39), (39) and smoothly slides within a predetermined range without being inclined.

  On the inner surface of the storage space (41), in FIG. 6, the top plate (40) and the substrate (38) are preferably provided with a plurality of ribs (45). It is provided. By this rib (45), the trigger (33) slides with less movement resistance, and the operation becomes smoother.

  FIG. 7 shows a state in which the window shoji (5) is open. Since the lock pin (3) is engaged with the engaging portion (34) of the trigger (33), the lever (9) is The lock pin (3) cannot be moved by turning. Accordingly, it is possible to prevent an erroneous operation that makes the user think that the lock has been made by mistake.

  FIG. 8 shows a state when the window shoji (5) is closed. The side surface of the support (2) hits the abutting portion (35) of the trigger (33), the trigger (33) moves backward, and the lock pin ( 3) can be moved. When the lever (9) is operated in this state to move the lock pin (3), the lock pin (3) enters the receiving groove (4) of the receiving tool (2) and can be locked. (FIG. 9). Furthermore, if the lever (9) is locked by operating the knob (19) of the locking device, the lever (9) itself can be locked.

  When unlocking, the operation reverse to the above is performed, and after unlocking the lever by the locking device with the knob (19), when the lever (9) is rotated, the lock pin (3) is moved into the receiving groove ( 4) The window shoji (5) is unlocked by escaping, and the lock pin (3) moves while pushing the inclined surface (36) while retracting the trigger (33), and faces the engagement surface (37). When this occurs, the trigger (33) is returned by the trigger spring (42) and engaged with the engaging portion (34) (FIG. 7).

  In the above embodiment, the main body is attached to the vertical frame and the lever is operated in the vertical direction. However, the main body is attached to the horizontal frame and the lever is operated in the horizontal direction. Then, the lever may be slid.

The top view which shows one Example of this invention. The perspective view is shown, (A) is a main body, (B) is a perspective view of a receptacle. The front view of the main body in the unlocked state. The rear view which shows the state which removed the back cover of the main body. The cross-sectional view of a main body. Explanatory drawing which shows the attaching part of a trigger. The state which the window shoji is open is shown, (A) is a plan view, (B) is a front view. The state which the contact part of the trigger contacted the holder of the window shoji is shown, (A) is a top view, (B) is a front view. The locked state of a window shoji is shown, (A) is a top view, (B) is a front view.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Main body 2 Receiving tool 3 Lock pin 4 Receiving groove 9 Lever 12 Crank 19 Knob 28 Slider 33 Trigger 34 Engagement part 35 Contact part

Claims (10)

  A main body having a lock pin provided so as to move linearly by lever operation and a receiving tool having a receiving groove for receiving the lock pin are attached to the window screen and the window frame in a facing state, and the window screen is closed. In a fastener that locks or unlocks a window screen by allowing the lock pin to enter or exit the receiving groove, a trigger having an engaging portion that can project in the movement path of the lock pin is used as a window for the window screen. Is provided in the main body so as to be movable along the direction of the lock pin, and the engagement portion is urged in a direction protruding into the movement path of the lock pin, and the engagement portion is moved away from the movement path of the lock pin when closing the window shoji. A fastener having a contact portion that contacts the receiving member so as to be moved in a retreating direction.   The trigger is formed in a plate shape, and an end edge is projected in a direction along the projection surface to form the engagement portion, and the contact portion is provided in a substantially L-shape in the direction of finding. The fastener according to claim 1.   The fastener according to claim 2, wherein the engagement portion is formed in a substantially mountain shape having an inclined surface on one side and an engagement surface along the outer periphery of the lock pin on the other side.   On the substrate of the main body, a storage space is formed by an opposing side wall and a top plate located at the upper end of the side wall, and the trigger and a spring for biasing the trigger are stored in the storage space. The fastener according to claim 2, which slides while being guided by a side wall.   The fastener according to claim 4, wherein the trigger has a locking claw, and an elongated hole into which the locking claw is fitted is formed in the side wall.   The fastener according to claim 4, wherein a rib is formed in the storage space so as to be in sliding contact with the trigger.   The fastener according to claim 1, wherein the main body is provided with a lock device that prevents rotation of the lever when the lever is in the locked position.   The lock pin protrudes from a slider, the slider moves linearly by a crank rotated by a lever, the crank has a locking edge, and the locking device is a locking piece that can be engaged with the locking edge. The fastener according to claim 7 comprising:   The fastener according to claim 8, wherein the lock piece is slidably provided.   A window screen comprising the fastener according to any one of claims 1 to 9.

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