JP2896227B2 - Openable grid - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to an opening frame or a wall that can be opened by a simple operation on either the left or right side from the indoor side when a fire or other emergency occurs. The present invention relates to an openable and closable surface grid supported by a body.

[Conventional technology]

A screen grid may be attached to openings such as windows for ventilation and lighting for security.

This screen grid is firmly attached via a fixing bracket around a window frame or an opening wall so that a thief does not easily enter the room.

[Problems to be solved by the invention]

From the point of view of crime prevention, it is desirable that the surface grid is firmly fixed to the opening.

However, since the screen grid cannot be easily removed, when an emergency evacuation situation such as a fire or an earthquake occurs, it is difficult to evacuate from the window provided with the screen grid, and often precious human lives are lost.

The present invention makes it impossible to remove and open from the outside of the room, make it easier to open the lower part of the surface grid from either side from inside the room, and make it easier to evacuate in the event of an emergency. It is an object of the present invention to provide an openable and closable surface grid.

[Means for solving the problem]

In order to achieve the above object, the openable and closable surface grid of the present invention swingably supports both upper sides of a surface grid installed in an opening such as a window via a hinge, and a lower portion of the surface grid is outward. In an openable and closable surface grid supported on a wall so as to be opened, locking devices are respectively provided on both sides of a lower horizontal rail of the surface grid, the two locking devices are connected by rods, and both outer sides of the surface grid are provided. A strike and a lock strike are respectively attached to the end and the opening, and the strike and the lock strike are locked by a lock bolt protruding from a bolt stand of the lock device, and the handle of the lock device is rocked by swinging operation. The lock bolt is moved via a protruding bolt stand or link, and the gear cam arranged on the base end side of the handle is rotated to engage with the gear cam. By moving the rack gear bolt base formed with the above, the bolt base protruding the lock bolt of the other locking device via the rod locked to the rack gear bolt base is moved, and the handle of one of the locking devices is moved. By swinging the lock, the strike by the lock bolt and the lock by the lock strike of both lock devices are released, so that the surface lattice can be opened.

(Operation)

This openable and closable surface grid supports both upper sides of a surface grid installed in an opening such as a window so as to be swingable via a hinge,
In an openable and closable grid supported by a wall so that the lower part of the grid is opened outward, the handle of one of the locking devices provided on both sides of the lower cross bar of the grid is rocked. As a result, the strikes by the lock bolts of both lock devices and the lock by the lock strikes are released so that the surface lattice can be opened, so if the sash inside the surface lattice is not opened, from the outside, Since the handle cannot be operated and the lock does not come off, the screen grid serves as a security.

Also, in the event of an emergency such as a fire, open the sash of the opening and pull the handle on the open side in either direction from the indoor side to the left or right to release the surface grid. Make it easier to evacuate when a situation occurs.

At this time, if the handle pulled toward you is used as a support for the lower side of the opening of the wall body, the surface lattice will keep the open state, and people in the room can easily go outside from the lower part of the opening window. it can.

〔Example〕

Hereinafter, an openable and closable surface grating according to the present invention will be described based on the illustrated embodiment.

In the figure, 1 is a wall provided with an opening 0 having a required size such as a window, 2 is a sash provided in the opening 0 of the wall 1, and 3 is unable to enter the room even if the sash 2 is broken. This is the screen grid on the security.

The mechanism for attaching the sash 2 to the opening 0 of the wall 1 is the same as that of the conventional method, and a description thereof will be omitted.

The surface lattice 3 is attached to hinges 4, 4 at both ends of the upper horizontal rail, and is pivotally supported inside the upper part of the opening 0 of the wall body 1 via
A lock device 5 having a handle 56 for opening and closing operation is provided at both lower ends, and a detachable hinge with the opening 0 side is provided.
Locking or unlocking is selectively performed with the opening 0 side, and at the time of unlocking, as shown in FIG. 2, the lower portion of the surface grid is pushed to the outside of the room via the upper hinge 4 as shown in FIG. It is attached so that it opens.

The main body of the surface grating 3 is provided with two horizontal bars 31, 32, 33 arranged vertically in parallel or three parallel in the upper, lower and middle parts, and the upper and lower horizontal bars 31, 32 are required in the longitudinal direction. The plurality of vertical lattices 34, 34,... Connected to the horizontal rails 31, 32, are arranged so as to be spaced and orthogonal to each other, and moreover, the opening 0 of the wall 1 is formed.
And the above-mentioned hinges 4, 4 are provided at both ends of the upper horizontal rail 31.

The hinge 4 has a flat plate shape fixed to the inner surface of the opening of the wall body 1 with screws as shown in FIGS. 13 to 14, and has one shaft hole 4H and one or more screw holes 43. Perforated fixing plate
41, and a grid mounting plate 42 having an L-shaped cross section, which is rotatably supported via shafts mounted at both ends in shaft holes 4H of the fixed plate 41. , Overlaps with the fixed plate 41 via a shaft, is swingably supported,
On the other hand, 42B is fixed to the end of the horizontal rail 31 with screws, so that both ends of the upper portion of the surface grating are attached to the opening of the wall via the hinges 4, 4 so that the surface grating 3 can be freely opened and closed.

A locking device 5 provided on both lower sides of the surface lattice 3 supports a strike portion 5A provided on the lower inner side surface of an opening 0 such as a window of the wall body 1 along a horizontal rail 32 and a lock bolt L.
And a handle operation section 5B that slides along the handle.

The strike portion 5A has a flat plate shape as shown in FIG. 11, and is laterally connected to the lock strike 51 in which one or two or more screw holes for securely attaching screws or bolts to the wall of the opening and other fixed sides are drilled. A strike 52 is attached to the end of the crosspiece 32. A lock piece 51a fitted in a lock hole 52H of the strike 52 is projected from a tip of the lock strike 51, and a lock bolt fitting hole 51b is formed in the lock piece 51a. The strike 52 is fitted into the cross rail 32 as shown in FIG. When the space is attached with a screw, the ridge of the horizontal rail is sandwiched and fixed. This strike 52 is a screw hole 52
The lock bolt fitting hole 52b is drilled so as to coincide with the lock bolt fitting hole 51b of the lock piece 51a of the lock strike 51 fitted along with the lock hole 52H and the strike longitudinal direction and in the lock hole 52H. As shown in FIG. 10, the lock piece 51a is fitted into the lock hole 52H of the strike 52,
When the lock bolt L is inserted between the lock bolt insertion holes 51b and 52b which coincide with each other, the surface lattice is fixed to the opening by the strike portion 5A, and cannot be opened and closed. When the handle operation part 5B is removed from the lock bolt fitting hole 51b by the operation of the handle operation part 5B, the lock between the lock strike 51 and the strike 52 is released, and the lower part of the surface lattice can be opened.

FIGS. 3 to 9 show a handle operation section 5B which supports the lock bolt L along the horizontal rail 32 and slides the lock bolt L along the horizontal rail 32. As shown in FIGS.

This is an outer case 54 having a U-shaped cross section which is fixed by screws or studs at both ends of the horizontal rail 32 and at a position where the sash can be operated by the indoor side when the sash is opened, and unlocked inside the outer case 54 At the time, a middle case 55 having a U-shaped cross section to be slidably inserted therein, and a handle 56 fitted in the middle case 55 and pivotably pivotally attached to the middle case 55 via the handle shaft S1, Lock bolt L inserted into middle case 55
And a link 58 connected between the bolt stand 57 and the handle 56 via shafts S2 and S3, respectively.
And a gear cam 59 inserted into the base end of the handle 56 and fixed by the handle shaft S1, meshed with the gear cam 59,
The rack gear bolt stand 60 and the ball 61, which are engaged with the ends of the rod 6, are fitted to each other. The rack gear bolt stand is housed in the middle case 55.
And a ball case 62 fixed to the ball case.

As shown in FIG. 1, the handle operation unit 5B configured as described above is disposed on each of the both ends of the cross rail 32, one by one.
The ends of the rods 6 arranged along the horizontal rail 32 between the two handle operation parts 5B, 5B are respectively engaged with the rack gear bolt stand 60, and the two handle operation parts 5B, 5B are connected to each other. Lock bolts L, L, each of which is locked to a bolt stand 57, protrude outward from the handle operation unit, are fitted between the lock strikes, and the strikes, and the surface lattice 3 is attached.

As shown in FIGS. 4 and 6, the gear cam 59 fitted in the handle 56 and supported by the handle shaft S1 makes a part of the outer peripheral surface flat, and this flat surface is fitted to the inner surface of the handle 56. When the handle shaft is supported through it,
The gear cam 59 is integrated with the handle 56, and the handle shaft
When the handle 56 is swung about S1, the gear cam 59 rotates around the handle shaft, and a groove 59a in which a ball fits is formed at the center of the outer peripheral surface except for the flat portion. Gears 59b, 59b meshing with the rack gear of the rack gear bolt stand are formed on both outer peripheral surfaces of the groove 59a, and a shaft hole 59H penetrating the handle shaft S1 is formed in the center.

4 and 7, the rack gear bolt base 60 is inserted into the inside of the middle case 55, has an L-shaped cross section, and one end of the rod 6 is locked to the vertical piece 60a. Piece 60b
The center of the hole 60c to fit the oval ball case 62
A hole is formed on the top surface on both sides of the hole 60c so as to be higher than the top surface of the hole 60c. The rack cam 60d is meshed with the gear cam, and the rotation of the gear cam causes the rack gear bolt base 60 to slide in the longitudinal direction of the middle case 55 and within an allowable range.

As shown in FIG. 9, the bolt base 57 is formed integrally with side pieces 57b, 57b opposite to both longitudinal sides of the bottom piece 57a, and drills a shaft hole in the side piece 57b, thereby forming the shaft S3. Penetrating link 5
8, one end of the bottom piece 57a is bent in the same direction as the side piece 57b to form a vertical piece 57c, the base end side of the lock bolt L is locked to this vertical piece 57c, and the center of the bottom piece 57a is An open groove 57d is provided in the longitudinal direction of the part, and the bolt holder 7 fixed to the middle case 55 is inserted into the open groove 57d, and when the handle 56 is swung, the bolt base is connected via the shaft S2 and the link 58 shaft S3. When the 57 moves to the rod side, the bolt stand is not guided by the open groove 57d and the bolt retainer 7, but is guided accurately and slides. The link 58 is bent in a rectangular shape as shown in FIGS. 3, 5 and 8, and a shaft hole penetrating through the shafts S2 and S3 is drilled at both ends. When the link end moves along with the shaft S2 by moving along the handle shaft S1 and the axis S2 in an arc with the handle shaft S1 as a center, the other end side of the link, that is, the shaft S3 side is placed in the middle case 55. Is to move the bolt table 57 horizontally to the rod side.

The upper part is hinged, and the lower part is open with the lock strike 51, strike 52 and lock bolts L to open the lower part in emergency or the like. When the handle 56 on the side where the sash is opened is pulled in the room direction, the handle 56 is turned around the handle axis S1.
Rocks. As a result, the gear cam 59 also rotates, and the bolt stand 57 is pulled and moved via the link 58 pivotally attached to the handle 56, whereby the lock bolt L locked to the bolt stand strikes and strikes. The lock bolts are pulled out from the matched lock bolt insertion holes 51b and 52b.

However, the lock bolt of the handle operation portion on the side that does not operate the handle 56 is in a stopped state. And
When the handle 56 is further swung, the ball 61 fitted in the recess 59d is rotated by the rotation of the gear cam 59, so that the recess 5
9d, it is pressed by the inner bottom surface of the groove 59a, moves in the ball case, and is pressed against the outer case 54 side.

As a result, the middle case 55 has been slid freely with respect to the outer case 54 until now.
Locked by pressing outward, the middle case 55 is fixed to the outer case 54. In this state, the rack gear bolt stand can be moved to the lock bolt side by the rotation of the gear cam, and the rod 6 locked to this bolt stand is similarly moved, so that the entire handle operation unit on the side where the handle operation is not performed is moved. By moving the lock bolt together with the rod 6, both the left and right lock bolts are released from the strike, and the lower part of the surface lattice is free and can be opened.

〔The invention's effect〕

ADVANTAGE OF THE INVENTION According to the openable and closable surface grid of this invention, the upper both sides of the surface grid installed in the opening part, such as a window, are supported swingably via a hinge, and a wall body is opened so that the lower part of a surface grid may open outside. In the openable and closable surface grid supported on the side grids, the handle of one of the lock devices arranged on both sides of the lower horizontal rail of the surface grid is rocked to strike the lock bolts of both lock devices. And the lock by the lock strike is released so that the surface grid can be opened, so the handle cannot be operated from the outside unless the sash inside the surface grid is opened, and the lock will not come off, so the surface will not come off. The grid can serve as a security feature, and in the event of an emergency such as a fire, open the sash at the opening and use the handle on the open side in either direction from the interior to the left or right. By pulling in, it is possible to open the surface lattice, easy to perform the evacuation of the event of an emergency,
Safety can be improved.

[Brief description of the drawings]

FIG. 1 is a front view of the surface grid of the present invention viewed from the inside thereof, FIG. 2 is an explanatory view showing a state where the grid is attached to an opening of a wall body, FIG. FIG. 5 is a cross-sectional view of the rack gear portion, FIG. 5 is a cross-sectional view of a bolt base of the lock device, FIG. 6 is an explanatory view of a gear cam, FIG. 7 is an explanatory view of a rack gear bolt base, and FIG. Fig. 9, Fig. 9 is an explanatory view of a bolt stand, Fig. 10 is an explanatory view of a strike part,
FIG. 11 is a cross-sectional view, FIG. 12 is a front view of a lock strike, FIG. 13 is an explanatory view of a hinge, and FIG. 14 is an explanatory view of a hinge. 0 is an opening, 1 is a wall, 2 is a sash, 3 is a grid, 31,3
2 is a horizontal rail, 34 is a vertical lattice, 4 is a hinge, 41 is a fixed plate, 42 is a lattice mounting plate, 5 is a locking device, 5A is a strike part, 5B is a handle operation part, 51 is a lock strike, 52 is a strike, 54 is an outer case, 55 is a middle case, 56 is a handle, 57 is a bolt stand, 58 is a link, 59 is a gear cam, 60 is a gear bolt stand, and L is a lock bolt.

Claims (1)

(57) [Claims] 1. An openable and closable surface which supports an upper side of a surface grid installed in an opening such as a window and the like so as to be swingable via a hinge, and which is supported by a wall so that a lower portion of the surface grid is opened outward. In the lattice, locking devices are respectively provided on both sides of the lower horizontal rail of the surface lattice, the two locking devices are connected by rods, and strikes and lock strikes are respectively attached to both outer ends and openings of the surface lattice. The strike and the lock strike are locked by a lock bolt protruding from a bolt stand of the lock device, and the handle of the lock device is swung to link the bolt stand protruding the lock bolt through a link. While rotating the gear cam disposed on the base end side of the handle, and moving the rack gear bolt base forming the rack gear meshing with the gear cam. By moving the bolt stand protruding the lock bolt of the other lock device via the rod locked to the rack gear bolt stand, and by swinging the handle of one of the lock devices, both The openable and closable surface grid is characterized in that the strike by the lock bolt and the lock by the lock strike of the lock device are released to open the surface grid.