JPH0718858Y2 - Lock device for sliding window - Google Patents

Description

[Detailed description of the device] [Industrial applications]

This invention pivotally mounts an actuating member having a hooking piece having a first engaging structure at its tip on both side walls of a fixed base fixed to a sliding window, and biases the actuating member in the engaging direction. The present invention relates to an improvement of a locking device for a sliding window that releasably locks the first locking component to a second locking component provided on the receiving portion side of the sliding window.

[Prior art]

FIG. 6 shows a conventional configuration of a slide window locking device that locks when a freely openable / closable slide window that slides along a wall of a room or the like is closed. A fixed base 15 with a bottom is fixed to the sliding window 21,
An actuating member 25 having a hooking piece 16 and an operating piece 24 on its side wall.
Is rotatably attached via a rotary shaft 17, and the actuating member 25 is biased by a coil spring 18 in the locking direction. Further, a claw portion 20 is formed at the tip of the hooking piece 16. On the other hand, a window frame is provided on the wall surface side of the room, and the sliding window 21
A receiving portion 22 is formed so as to slidably hold the side edge portion thereof and abut against the front end of the sliding window 21, and a hook receiving piece 23 is projectingly provided on the receiving portion 22. Then, when closing the sliding window 21, the claw portion of the hooking piece 16
20 goes over the latch receiving piece 23 and is locked to complete the lock. When opening the sliding window 21, the operating piece 24 may be manually rotated in the lock releasing direction to release the engagement between the claw portion 20 and the latch receiving portion 23, and the sliding window 21 may be moved in the opening direction.

[Problems to be solved by the device]

In the conventional locking device for a sliding window as described above, it is necessary to separately provide a rotating shaft for pivotally attaching the actuating member to the fixing member, the number of members is large, the number of assembling steps is complicated, and the cost is expensive. There are drawbacks. This invention was created in view of the above circumstances,
The main problem is that the rotary shaft is provided integrally with the operating member,
Another object of the present invention is to provide a highly reliable locking device for a sliding window, which can be assembled by one-touch fitting into a bearing hole provided in a fixed base.

[Means for solving problems]

In order to solve the above problems, the present invention provides (a). On both side walls of the fixed base fixed to the sliding window,
A second locking component provided on the receiving part on the window frame side by pivotally mounting an operating member provided with a hooking piece having a first locking component at its tip and urging the operating member in the locking direction. (B). A sliding window locking device for releasably locking the first locking component, as described in (b). Rotating shafts provided on both sides of the base end of the actuating member are projecting shafts in which one cross section of the rotary shaft is made wider at one side and the other width is set at a narrower width. Bearing holes for rotatably bearing the rotary shaft are provided inside both side walls of the fixed base, (d). A technical means is provided in which a guide groove is provided which communicates with a part of the bearing hole and has a width that allows the narrow portion of the rotary shaft to be inserted and which is open at a free end of the side wall. In addition to the above configuration, (e). The guide surface is the second locking component or the first locking component so that the first locking component is rotationally displaced in the lock releasing direction when the first locking component is abutted against the second locking component. (F). A technical measure may be taken to provide a holding means for restraining the rotation of the actuating member at a position where the first locking component and the second locking component can abut the guide surface.

[Action]

A narrow portion of the rotary shaft of the operating member is slid along the guide groove of the fixed base to fit the rotary shaft into the bearing hole, and the operating member is pivotally attached to the fixed base by intersecting. Thus, the fixed base to which the operating member is attached is fixed to the sliding window side. As a result, the first locking component of the hooking piece and the second locking component of the receiving part can be disengaged. Further, when the guide surface is provided on the second locking component or the first locking component, the rotation of the operating member is restricted by the holding means, so that the hooking piece is held at the predetermined position, and the first locking element is held. The abutting position between the locking component and the second locking component is always constant and the guide surface functions. That is, when the sliding window is closed, the guide surface causes the first locking component to rotate in the unlocking direction to increase the biasing force, and then when the sliding surface is exceeded, the biasing force collides with the second locking component. The sliding windows are locked at a high speed.

【Example】

An embodiment of a lock device for a sliding window according to the present invention will be described below with reference to the drawings starting from FIG. As shown in FIGS. 2 and 3, the lock device of the present invention comprises a fixed base 1 fixed to the sliding window 11 and an actuating member 8 pivotally mounted on the fixed base 1. Each is a plastic molded product. This fixed base 1 has mounting pieces 1A on both sides and a pair of left and right side walls 1B in the center, and has a shape in which bearing holes 5 and 5 are arranged inwardly facing each other on both side walls. There is. A guide groove 4 having a width shorter than its diameter and hanging down and opening at the lower end of the side wall 1B is connected to the bearing hole 5. Although not shown, the groove bottom surface of the guide groove 4 has a deeper bottom end like the bearing hole 5 and is formed in a taper shape which gradually becomes shallower toward the bearing hole 5, so that the rotary shaft 7 can be fitted easily. Become. Further, the bottom portion between the side walls 1B is opened so that an operating member described later can be fitted thereto except for the back side continuous portion 1C. A spring piece 6 for urging the actuating member in the locking direction is integrally connected to the connecting portion 1C so as to incline forward. Further, the upper separation position of the connecting portion 1C connects the side walls. A knob 3 is provided. Next, in the operating member 8, the hooking piece 10 and the operating piece 14 are integrally connected so as to be substantially orthogonal to each other, and the rotary shaft 7 is provided on both sides of the base end thereof.
It is configured by protruding. The rotating shaft 7 has a cross section that is orthogonal to one another and has a wide width so that its opposite peripheral surface is a curved surface, and the other width is set to be narrow so that the opposite peripheral surface is a parallel surface. It is arranged such that its long side is parallel to the extending direction of the hooking piece 2, and is substantially equal to the diameter of the bearing hole 5, and is set to a size to be supported in the bearing hole 5. There is. The length of the short side of the rotary shaft 7 is determined by the guide groove 4
Corresponding to the groove width, and can be slid along the guide groove 4. Further, a stopper piece 9 as a holding means that is connected to the base end of the hooking piece 2 and hangs substantially perpendicularly is integrally connected to the operating member 8. Therefore, at the time of assembly, as shown in FIG.
The rotary shaft 7 is slid into the guide groove 4 so that the longitudinal side of the rotary shaft 7 is aligned with the center line of the guide groove 4 and fitted into the bearing hole 5. Then, it is rotated to a position where the long side of the rotary shaft 7 intersects with the extending direction of the guide groove 4. In this state (see FIG. 1), slide the fixed base 1 into a sliding window.
The rotary shaft 7 does not fall out of the bearing hole 5 because it is fixed to a predetermined position of 11. As a result, as is clear from FIG. 3, the tip of the spring piece 6 is pressed against the back surface of the operation piece 14, so that the operating member 8 is biased in the locking direction, but the stopper piece 9 abuts the sliding window 11. Therefore, the hooking piece 2 can be held in a substantially parallel posture along the sliding window 11. Next, the sliding window 11 is slidable in the opening / closing direction via sliding window guide means (not shown) formed on the wall surface of the room, and the receiving portion 12 provided at the lower end of the window frame.
Is held in. That is, as shown in FIG. 3, the receiving portion 12 is composed of a channel groove into which the front end of the sliding window 11 is fitted and abutted when the sliding window 11 is closed. A latch receiving piece 13 serving as a component is provided in a protruding manner. In the case of the present embodiment, this hook receiving piece 13 has an inclined guide surface 13a that gradually and gradually rises at the tip, and the end of the guide surface 13a forms an engaging surface 13b orthogonal to the wall surface of the receiving portion. It consists of a protrusion. A hook portion 10 serving as a first locking component portion is formed at the tip of the hooking piece 2 corresponding to this. The claw portion 10 extends substantially orthogonally from the hooking piece 2 in the lock rotation direction, and the surface on the base end side is the engaging surface 13 of the hook receiving piece 13.
It is formed on the engaging surface 10b that is restrained with b. In addition, by the stopper piece 9 described above, the tip of the claw portion 10 is
10a is held at a position where it can abut against the guide surface 13a of the latch receiving portion 13. Therefore, when closing the sliding window 11, the tip 10 of the claw portion 10
a collides with the guide surface 13a of the lock receiving piece 13 and the actuating member 8 rotates in the lock releasing direction (clockwise in FIG. 3) against the biasing force of the spring piece 6 via the claw portion 10. , The hooking piece 2 reversely rotates in the locking direction due to the repulsive force of the spring piece 6, and the engaging surface 10b of the pawl portion 10 and the hook receiving piece 13
The engagement surface 13b is engaged to complete the lock. Next, when the sliding window 11 is opened, the operation piece 14 is rotated in the lock releasing direction (counterclockwise direction in FIG. 3) with a hand or the like to release the engagement between the claw portion 10 and the latch member 13, The free sliding window 11 may be slid in the opening direction. Next, the sliding window locking device shown in FIG. 5 shows a different embodiment in which the guide groove 4 is opened at the front edge of the side wall 1B. In this case, since the actuating member 8 does not need to be inserted from the lower side of the fixed base 1, the bottom portion 1D having a predetermined height can be connected between the side walls 1B. Then, by supporting the front corner 2A of the base end of the hooking piece 2 as a square shape capable of colliding with this bottom 1D, the hooking piece 2 is replaced by the bottom 1D of the fixed base 1 in place of the stopper piece of the above embodiment. It is possible to hold and set the position of the claw portion 10 to a position where it can collide with the guide surface (not shown) of the latch receiving piece. Here, the hooking piece 2 is preferably provided with a notch so as not to collide with the bottom portion 1D when attached to the fixed base 1. Since other configurations are similar to those of the above-described embodiment, the same components are designated by the same reference numerals and the description thereof will be omitted. Further, in the present invention, the first locking component and the second locking component may be projections or recesses as long as they are engaging means capable of locking. Also, the guide surface that rotates the hook piece in the lock release direction is
Although it is provided in the second locking component in the above embodiment, it may be provided in the first locking component on the contrary.

[Effect of device]

According to this invention, since the rotary shaft integrally formed with the actuating member can be slid into the guide groove provided on the fixed base and set narrower than the bearing hole, the device can be assembled with one touch. Moreover, the number of parts can be reduced, and the cost can be reduced. Further, the reliability is increased and useful without lowering the rigidity of the rotary shaft portion. Further, the operability of the lock is excellent by using the guide surface and the holding means together.

[Brief description of drawings]

1 is a perspective view showing a mounting part on the sliding window side according to an embodiment of a sliding window locking device of the present invention, FIG. 2 is an exploded perspective view of FIG. 1, and FIG. 3 is a sectional view showing a locked state.
FIG. 4 is a sectional view showing a mounting state, FIG. 5 is an exploded sectional view showing a different embodiment of the sliding window locking device of the present invention, and FIG. 6 is a sectional view showing a locking state of a conventional sliding window locking device. It is a figure. 1 …… Fixed base 2 …… Hooking piece 3 …… Grip section 4 …… Guide groove 5 …… Bearing hole 6 …… Spring piece 7 …… Rotating shaft 8 …… Operating member 9 …… Stopper piece 10 …… Pawl Part 11 …… Slide window 12 …… Receiving part 13 …… Latch receiving piece 14 …… Operating piece

Claims (5)

[Scope of utility model registration request] 1. An operating member having a hooking piece having a first locking component at its tip is pivotally attached to both side walls of a fixed base fixed to a sliding window, and the operating member is attached in the locking direction. A locking device for a sliding window for biasingly locking the first locking component to a second locking component provided on a receiving part on the window frame side, wherein the locking device is provided on both sides of a base end of an operating member. The cross section of the rotating shaft is orthogonal and the width of one is wide and the width of the other is narrow, and it consists of a protruding shaft, and the bearing hole that rotatably bears the rotating shaft inside both side walls of the fixed base. And a guide groove communicating with a part of the bearing hole and allowing a narrow portion of the rotary shaft to be inserted therethrough and opening at a free end of a side wall. 2. An actuating member having a hooking piece having a first engaging structure at its tip is pivotally attached to both side walls of a fixed base fixed to the sliding window, and the operating member is attached in the engaging direction. A locking device for a sliding window for biasingly locking the first locking component to a second locking component provided on a receiving part on the window frame side, wherein the locking device is provided on both sides of a base end of an operating member. The cross section of the rotating shaft is orthogonal and the width of one is wide and the width of the other is narrow, and it consists of a protruding shaft, and the bearing hole that rotatably bears the rotating shaft inside both side walls of the fixed base. And a guide groove that communicates with a part of the bearing hole and allows the narrow portion of the rotary shaft to be inserted and opens at a free end of the side wall, and the second locking component includes the first locking component. A guide surface is provided so that the first locking component is rotationally displaced in the lock releasing direction when abutted against each other.
A locking device for a sliding window, characterized in that a holding means for restraining the rotation of the actuating member is provided at a position where the locking component and the second locking component can collide with the guide surface. 3. The lock for a sliding window according to claim 1, wherein the holding means comprises a stopper piece provided on the base end side of the hooking member and hanging down from the hooking member, the tip end of which is abutted against the sliding window. apparatus. 4. The sliding window according to claim 1, wherein a spring piece extending from the rear of the fixed base and biasing the actuating member in the locking direction is integrally connected to the fixed base. Locking device. 5. The operating member is provided with an operating piece projecting behind the hooking piece.
The locking device for the sliding window described.