JP2500895Y2 - Area lattice - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a surface lattice in which a window opening is normally closed and the window opening can be opened in an emergency such as a fire.

(Prior Art) Since the surface lattice that is attached to the window opening of the building frame for the purpose of crime prevention is generally of a fixed type, the surface lattice prevents the escape from the window opening in an emergency such as a fire, which may cause a disaster. was there.

Therefore, as a means to prevent such a catastrophe, the surface lattice itself is constructed as a door type that opens and rotates to the outside, and a lock that cannot be opened in normal times is provided, and the unlocking operation can be performed only from the indoor side. Structures are proposed (Japanese Patent Publication No. 51-4355, No. 59-13557, No. 60-10088, etc.).

(Problems to be solved by the invention) With the above-mentioned conventional plane lattice, it takes time to unlock, so in an emergency such as a fire, the plane lattice may be upset and the plane lattice cannot be opened, and escape from the window opening. I couldn't do it.

Therefore, the present invention is always securely fixed to the window opening,
It is an object of the present invention to provide a surface lattice that can be easily opened when necessary.

(Means for Solving the Problems) The structure of the present invention for achieving the above object will be described with reference to FIGS. 1 to 3 corresponding to the embodiment. A pair of fixed bars 1a, 1a are fixedly provided in the opening 3, and a movable surface lattice 1b is provided between the fixed bars 1a, 1a.
The movable surface grating 1b is arranged so as to be movable in the longitudinal direction of a and 1a.
A lock hole is provided at a predetermined position on the side, and the fixed bar 1a is
The movable surface lattice 1b is engaged with the lock hole 13 to fix the fixed crosspieces 1a, 1a.
Guide plate 10 with locking pin 8 for locking
A pair of guide rods 9 and 9 fixed to the fixed crosspieces 1a and 1a and slidably guiding and supporting the guide plate 10 in the engagement and disengagement direction of the lock pin 8, and fitted to each guide rod 9. A lock holding spring 14 for urging the lock pin 8 in the lock holding direction via the guide plate 10 is provided, and the other end of the flexible wire 18 having one end connected to the guide plate 10 is extended to a desired position in the room. Then, by pulling the extending end of the flexible wire 18, the lock pin 8 is moved in the unlocking direction against the lock holding spring 14 via the guide plate 10. Unlocking means for
Area grid with 15

(Operation) In the area lattice having the above-described structure, the fixed bars 1a and 1a are always provided.
By engaging the lock pin 8 on the side with the lock hole 13 on the side of the movable surface grating 1b, the movable surface grating 1b is locked to the window opening 3.

When necessary, the flexible wire 18 is pulled by the lock releasing means 15 and the lock pin 8 is moved in the lock releasing direction via the guide plate 10, whereby the movable surface lattice is moved.
The locked state of 1b can be released, and the window opening 3 can be opened by moving the movable surface grating 1b along the fixed bar 1a.

When releasing the locked state of the movable surface lattice 1b, the lock pin 8 is projectingly provided on the guide plate 10, and the guide plate 10 is fixed by the pair of guide rods 9 fixed to the fixed bars 1a, 1a. Since the lock pin 8 is slidably supported in the engagement / disengagement direction and is biased by the lock holding springs 14, 14 fitted to the guide rods 9, 9, the flexible wire 18 is locked. Although the pin 8 is extended in an indefinite direction with respect to the engagement / disengagement direction, the guide plate 10 is guided by both guide rods 9 and 9 by pulling the flexible wire 18 toward the indoor side by the lock release means 15. While moving in parallel, the lock pin 8 engaging in the lock hole 13 can move back in parallel with the lock hole 13 along a coaxial line. Therefore, the pulling operation of the flexible wire 18 by the lock releasing means 15 can be performed easily, and the lock pin 8
Can be quickly disengaged from the lock hole 13, whereby the unlocking operation of the movable surface lattice 1b can be performed quickly and easily.

(Embodiment) FIGS. 3 (a) and 3 (b) show an area grating 1 according to an embodiment of the present invention.
1 is a view showing a state in which is attached to the window opening 3 of the building frame 2, and the surface lattice 1 includes a pair of fixed bars 1a and 1a fixed along the upper and lower edges of the window opening 3, and It is composed of a fixed crosspiece 1a and a movable surface grating 1b arranged between the fixed crosspieces 1a.

As shown in FIG. 1 and FIG. 2, the fixed bar 1a is
A slide rail 7 is movably fitted into the groove 5 on the outdoor side, out of a pair of grooves 5 and 6 made of a cylindrical aluminum extruded member and formed along both sides of the room along the longitudinal direction. The movable surface grid 1 is provided between the upper and lower slide rails 7, 7.
b is provided.

Reference numeral 8 denotes a lock pin that engages with the lock hole 13 of the block 12 fixed to the slide rail 7 by penetrating the outdoor groove wall 5a of the fixed rail 1a to lock the movable surface lattice 1b on the fixed rail 1a. Thus, the guide plate 10 is projected. This guide plate 10
Is inserted and supported by a pair of guide rods 9, 9 fixed to the indoor groove wall 6a of the fixed rail 1a so as to be slidable in the indoor and outdoor directions. Reference numeral 14 denotes a lock holding spring which is interposed between the guide plate 10 and the indoor concave groove wall 6a and biases the lock pin 8 in the lock holding direction. As shown in FIG.
Is fitted to. Reference numeral 15 is a lock release lever for moving the lock pin 8 in the lock release direction against the lock holding spring 14 via a flexible wire 18, and is pivotally supported by a bracket 16 mounted at a desired position in the room. Axis 17
It is provided rotatably via. One end of the flexible wire 18 is connected to the guide plate 10, and the other end of the flexible wire 18 penetrates the building body 2 and is connected to a pulley portion 15a formed around a pivot 17 at the base end of the lock release lever 15. It is connected in a state in which it is wound about half way around.

1 and 2 show a state in which the movable surface lattice 1b is locked in the window opening 3 by inserting the lock pin 8 into the lock hole 13, and from this state, the lock release lever 15 is released.
1 is rotated as shown by the phantom line in FIG. 1, the other end of the flexible wire 18 is wound around the pulley portion 15a of the lever 15, whereby the guide plate 10 is guided by the guide rods 9 and locked in both directions. It moves backward in the unlocking direction against the holding springs 14, 14, and the tip of the lock pin 8 is pulled out from the lock hole 13 to unlock the lock. In this unlocked state, the window opening 3 can be opened by moving the movable surface lattice 1b along the fixed bar 1a.

In this case, the lock pin 8 is projectingly provided on the guide plate 10, and the guide plate 10 is slidable in the engagement / disengagement direction of the lock pin 8 by the pair of guide rods 9 and 9 fixed to the fixing bars 1a and 1a. The flexible wire 18 is supported and is biased by the lock holding springs 14, 14 fitted to the two guide rods 9, 9, respectively.
Although the flexible wire 18 is pulled inward by the lock releasing means 15 even though it extends in an indefinite direction with respect to the engaging / disengaging direction of the guide plate 10, the guide plate 10 causes both the guide rods 9,
The lock pin 8 which is smoothly guided in the backward direction while being guided by 9 and is engaged with the lock hole 13 accordingly.
Can be rapidly moved backward along the lock hole 13 and the coaxial line.

When the movable surface lattice 1b is moved in the opposite direction to the above after opening the window opening 3, the tip end of the lock pin 8 is pulled up against the spring 14 by the inclined surface 12a of the block 12, It fits in the lock hole 13 and automatically returns to the locked state.

In FIG. 2, 20 is a flexible protective tube that is loosely fitted to the flexible wire 18, 21 is a synthetic resin cap that is capped on both ends of the fixed bar 1a, and when the movable surface lattice 1a is opened. It is pushed by the slide rail 7 and peeled off from the fixed rail 1a. Reference numeral 22 is a mounting bracket for fixing the fixed rail 1a to the building frame 2.

In the above embodiment, the flexible wire 18 is connected to the building frame 2
However, the flexible wire 18 may be inserted into a through hole provided in a window frame, for example.

(Effect of the Invention) According to the present invention, since the movable surface grating is always locked by the lock pin, the movable surface grating is not unexpectedly opened, and the crime prevention effect can be reliably retained. it can.

On the other hand, in the event of an emergency such as a fire, the movable surface lattice can be unlocked by simply moving the lock pin in the unlocking direction via the flexible wire by the unlocking means. Thus, it is possible to quickly open the movable surface lattice and easily escape to the outside of the room without taking time and effort to unlock.

Particularly, according to the present invention, the lock pin is projected from the guide plate, and the guide plate is slidably supported by the pair of guide rods in the engagement / disengagement direction of the lock pin.
Since the lock holding springs fitted to both guide rods are urged, the indoor end of the flexible wire is locked even if the flexible wire is extended in an indefinite direction with respect to the engagement / disengagement direction of the lock pin. By pulling toward the room by the release means, the guide plate smoothly moves in parallel in the backward direction while being guided by the guide rods, and accordingly, the lock pin can move backward along the lock hole and the coaxial line. Therefore, the pulling operation of the flexible wire by the lock releasing means can be performed lightly, the lock pin can be quickly released from the lock hole, and the lock releasing operation of the movable surface lattice can be performed quickly and easily.

Further, since the guide means composed of the guide plate and the pair of guide rods has a simple structure, it can be easily attached to the fixed crosspiece. Further, there is also an advantage that the lock releasing means can be provided at a desired position via a flexible wire in accordance with indoor conditions and remote control can be performed.

[Brief description of drawings]

FIG. 1 is a vertical sectional view of an essential part of an area grating according to an embodiment of the present invention, FIG. 2 is a horizontal sectional view of the essential part, and FIGS. 3 (a) and 3 (b).
[Fig. 3] is a front view and a vertical cross-sectional view of the entire coplanar lattice. 1 ... Area grating, 1a ... Fixed crosspiece, 1b ... Movable area grating, 2 ...
… Building frame, 3 …… Window opening, 8 …… Lock pin, 14…
… Lock holding spring, 15 …… Lock release lever (lock release means), 18 …… Flexible wire.

Claims (1)

(57) [Scope of utility model registration request] 1. A pair of fixed bars are fixedly provided in a window opening of a building frame, and a movable surface grating is disposed between the fixed bars so as to be movable in the longitudinal direction of the fixed bars. Is provided with a lock hole at a predetermined position, the fixed bar is fixed to the fixed bar, and a guide plate is provided with a lock pin for engaging the lock hole to lock the movable surface lattice on the fixed bar. A pair of guide rods that slidably guide and support the guide plate in the engagement / disengagement direction of the lock pin, and are fitted to the guide rods.
A lock holding spring that biases the lock pin in the lock holding direction via the guide plate is provided, and the other end of the flexible wire whose one end is connected to the guide plate is extended to a desired position in the room. At the extended end of
A surface lattice provided with lock releasing means for pulling the extending end portion to move the lock pin in the lock releasing direction against the lock holding spring via the guide plate.