JP2929371B2 - Opening / closing window lattice, locking device and pusher device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a window grate which can be easily opened from the room at the time of an emergency such as a fire or a carry-in / out of a load, a lock device used for locking the window grate, and a release of the window grate. And a hidden pusher device.

[0002]

2. Description of the Related Art Conventionally, a window lattice is fixed outside a window frame to prevent intrusion from the outside, and has a fixed structure that cannot be opened and closed. In particular, in the case of concrete, block buildings, and the like, they have a strong metal structure that cannot be easily broken from inside and outside. Therefore, even if a fire escapes through a window or a firefighter enters the window and tries to rescue it in an emergency such as a fire, the window grate cannot be easily destroyed and cannot escape or rescue from the room. An accident has occurred. In addition, even if it is not an emergency, it is not possible to carry in or carry out the luggage from the window into the room as required, because the window lattice is in the way.

[0003]

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above-mentioned problems in the conventional window grid, and completely sets the window grid so that the window grid cannot be opened from the outside in daily life. Locks to prevent intrusion from the window and functions as a window grid, but in an emergency, it can be easily unlocked and opened by children, the elderly or sick from inside. The grid and its locking device, and when the window grid is closed, it becomes a mounting support for the normal grid frame. When released, the window grid can be urged to the release side to be quickly released, and a hidden pusher device that is not noticeable outside. The purpose is to provide.

[0004]

According to the present invention, there is provided an opening / closing window lattice which has at least one of which can be opened and a locking device which regulates the opening and closing of the movable lattice. The lock device includes a lock device main body, a latch plate, and a key rod, the latch plate is fixed to the movable lattice member, and the lock device main body to which the latch plate is fitted and locked is attached to a fixed portion, The key rod protruding from the rack device main body protrudes into the room, and the movable grid body is opened by pressing the key rod from the room.

[0005] The movable grid of the window grid can be either a system that swings outward and opens, or a system that slides and opens in parallel with the fixed grid portion. It is desirable that the movable grid body be urged in the opening direction when the locking device is released by the operation.

The lock device of the present invention used for the openable window lattice includes a latch plate having a fitting hole, a lock device main body having a rocking plate for locking the latch plate, and the rocking device. The lock device body includes a key plate for rocking the plate to release the engagement between the rocking plate and the latch plate, and the lock device body has a latch plate insertion hole for inserting the latch plate in its frame.
The rocking plate is pivotally mounted on the frame so as to face in parallel with the latch plate insertion hole, and a locking projection is formed on the rocking plate to fit into the fitting hole of the latch plate. The key rod has a distal end fitted into the locking device main body, a base end having a sufficient length protruding into the room, and a swing plate fitted to a portion fitted into the locking device main body. The latch plate is urged by a spring in a direction in which the engagement protrusion engages with the engagement hole, and when the key rod is pushed, the swing plate operation portion causes the swing plate operation portion to swing. It is characterized in that the engagement between the latch plate and the swing plate can be released by swinging the moving plate.

According to the form of the window lattice, the key rod has a tip portion which enters the locking device main body substantially in parallel with the latch plate in a direction opposite to the latch plate, or a substantially right angle to the rocking plate. A method in which the tip portion enters the lock device main body from the direction can be adopted, and in the case of the former method, a cam follower projection is formed on the rocking plate, and the rocking plate operation of the key rod is performed. Forming a cam that abuts the cam follower projection in the part,
It is preferable that the cam is brought into contact with a cam follower projection to swing the rocking plate along the cam surface by pushing the key rod substantially in parallel with the latch plate in the opposite direction. In the case of the latter method, by pushing the key rod, the swing plate operating portion hits the swing plate, and the swing plate can be pushed down against the spring.

The concealed pusher device of the present invention, which functions as an attachment support for the lattice frame and has a function of urging the window lattice to the release side when the window lattice is released to quickly release the window lattice,
A cylindrical body having a spring seat at one end, a large-diameter portion slidably fitted inside the cylindrical body, and a small diameter extending from the large-diameter portion and extending outside through the other end of the cylindrical body; A pusher having a shaft portion, a stopper having a through hole through which the small-diameter shaft portion of the pusher penetrates, and a stopper fixed to an end of the cylindrical body opposite to a spring seat, between the spring seat and an end of the pusher; And a spring inserted between the springs and biasing the pusher toward the stopper.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of the present invention will be described in detail with reference to the drawings. FIG. 1 is a schematic cross-sectional view of a portion where a lock device for an openable window grid configured to open a part of a window grid outward through a hinge is mounted, and FIG. 2 is a cross-sectional view of the lock device. FIG. 4 is a schematic side view of the window lattice, and FIG.

In FIG. 1, reference numeral 1 denotes a wall of a building in which a window opening 2 is formed. A window grid 5 is provided on a fixing portion 3 such as a window frame or a pillar of the wall so as to cover the window opening 2 from outside. It is attached with a mounting bracket described later. In the present embodiment, the window grid 5 is provided on the window grid frame 4 by being divided into a movable grid body 6 and a fixed grid section 7 (FIG. 5), and the movable grid body 6 forms at least an opening through which a human can pass. It is formed to the size that can be. Therefore, when the window lattice is small, the whole becomes a movable lattice body.
For example, as shown in FIG. 5, the movable grid is formed by a movable grid body 6 and a fixed grid section 7 and each frame is connected to each other by a hinge, or the upper and lower girders of the window grid frame are respectively connected. A method of separating from a substantially intermediate portion so as to be able to be opened and closed via an appropriate hinge mechanism as shown in FIG. 8 or further configured so as to be slidable in parallel with a sliding door type as described later. Can be adopted.

The mounting bracket for supporting the window lattice frame 4 to the fixed part of the building is different between the fixed lattice part side and the movable lattice body, and the fixed lattice part is the same as the conventional one. The movable lattice body has a special mechanism. That is, one end of a metal rod 11 such as an iron pipe is fixed to the fixing portion 3 by welding or a mounting flange at the upper and lower two places on the fixed lattice portion or at an intermediate portion as necessary, as in the conventional case. The other end is fixed to the window lattice frame 4 by welding or the like.

On the other hand, on the movable lattice member side, two upper and lower portions of the window lattice frame are connected by a connection fitting constituted by a pusher device 12 as shown in FIG. The pusher device includes a metal tubular body 13 such as an iron pipe having a spring seat 14 at one end,
A pusher 17 having a large-diameter portion 15 slidably fitted inside the cylindrical body, and a small-diameter shaft portion 16 extending from the large-diameter portion and extending outside through the other end of the cylindrical body; A stopper having a through hole through which the small-diameter shaft portion of the pusher penetrates and fixed to an end of the cylindrical body opposite to the spring seat; a pusher inserted between the spring seat and an end of the pusher 17; The spring 17 is configured to urge the spring 17 toward the stopper. In addition, as shown by a broken line in FIG. 6, flanges 43 and 44 for attachment may be provided on both ends or one side of the cylindrical body 13 as necessary.

The pusher device 1 configured as described above
2, the movable lattice body side of the window lattice frame 4 is attached to the fixed part 3 as shown in FIG. That is, a hole is formed in the mounting portion of the window lattice frame 4 in advance so that the small diameter shaft portion of the pusher 17 can freely penetrate, and the small diameter shaft portion 16 is projected from the hole of the window lattice mounting frame. The stopper-side end of the pusher device is welded to the window lattice frame surface, and the spring seat-side end is welded to the fixing portion 3 and fixed. Alternatively, in the case of a pusher device with a flange, the flanges 43 and 44 are fixed to the fixing portion 3 and the window lattice frame surface with screws or the like.

As described above, by fixing the end on the movable lattice body side by using the pusher device 12, the movable lattice body must be locked to the window lattice frame with the pusher 17 pushed in against the spring 19. That is, when the lock is released, the spring 19 is automatically pushed open by the spring force of the spring 19. In addition, the pusher body can be seen as a mere mounting bracket, and functions effectively as a hidden pusher.

A lock device 20 shown in FIG. 2 is provided between the movable grid body 6 of the window grid 5 and the window grid mounting frame 4 configured as described above. The lock device 20 includes a lock device main body 21, a latch plate 22 and a key rod 23 which are fitted and locked to the lock device main body. As shown in FIGS. 1 and 2, the lock device main body 21 is formed of a frame 25 integrally formed in a rectangular parallelepiped shape with an iron plate or the like so as not to be easily broken.
2 is formed with a latch plate insertion hole 24 into which the lock device enters the lock device main body. A swing plate 28 is pivotally attached to the lower portion of the latch plate insertion hole 24 by a hinge 27 so as to be swingable. The rocking plate is urged toward the top wall 31 by a spring 30 interposed between the rocking plate and the bottom wall 29 of the frame 25. As shown in the figure, the upper surface of the swing plate 28
A locking projection 33 that engages with a locking hole 32, which is a locking portion formed in the above, and a cam driven projection 34 for swinging the swinging plate downward are formed.

The latching projection 33 is formed on an inclined surface on the entry side of the latch plate, and is formed substantially vertical so that the wall surface of the latching hole of the latch plate is latched on the opposite side. Further, the cam follower projection 34 has an inclined surface on the cam entry side, and when the key rod 23 is pressed and the cam 36 formed on the key rod comes into pressure contact, the rocking plate is pushed down and rocks, The engagement between the locking projection 33 and the latch plate 22 is released.

As shown in FIG. 1, the key rod 23 has a length protruding into the room with its base end penetrating through the fixing part 3 of the wall 1 when attached to the window lattice. A cam 36 that is in pressure contact with the cam follower projection 34 is formed on the cam follower projection 34.
The key rod 23 is provided on a slide guide 35 formed on the top wall 31 of the lock device main body 21 such that the cam 36 is located between the cam follower projection 34 of the rocking plate 28 and the rear wall 37. It is slidably fitted, and a spring 38 is fitted between the leading end of the key rod and the leading end closing portion of the sliding guide 35 so that the cam 36 is located at the inoperative position as shown in FIG. Has been energized.

The lock device 20 of the present embodiment is configured as described above. For example, as shown in FIGS. 1 and 4, the lock device body 21 is fixed to the window grid mounting frame 3 and the movable grid body 6 is The latch plate 22 is fixed inside the frame 10 so as to engage with the lock device main body when the movable grid body is closed.
The key rod 23 is mounted so that its base end penetrates through a sleeve 40 fixed in the wall 1 and protrudes into the room, and presses its head 39 to be pushed into the lock device main body.

Therefore, in a normal state, as shown in FIG. 1, the latch plate 22 fixed to the vertical frame 10 of the movable lattice body is fitted into the lock device main body, and the swing plate is 2
The engagement projection 33 formed at 8 is fitted and engaged. In this state, the swinging plate 28 is urged by the spring 30 in the direction of the latch plate and is in pressure contact with the latch plate. Even if it is pulled while swinging, the engagement between the engagement hole 32 of the latch plate and the locking projection 33 does not come off and cannot be opened.

On the other hand, when an emergency such as a fire occurs,
By pressing the head 39 of the key rod 23 from the room, the spring 3
When the key rod 23 is pushed in against the cam rod 8, the cam 36 formed on the key rod hits the cam follower projection 34, and the rocking plate is pushed down against the spring 30 by the inclined cam surface. As a result, the locking projection 33 comes out of the locking hole 32 and the latch plate 2
7A and 7B, the upper and lower ends of the movable lattice member are simultaneously pushed out by the pushers 17 of the pusher device 12 as shown in FIG. The body 6 is automatically pushed open. As a result, people in the room can escape from the window,
It can be easily recognized from the outside that the lock has been released, and rescue can be made.

As described above, the lock device of the present invention can be easily released from the room simply by pressing the head 39 of the key rod 23, and is left in the room due to a fire or the like. Even a child or an elderly person who cannot do so can easily unlock and open the window lattice. On the other hand, unless the frame 25 of the lock device body is destroyed from the outside,
Since the rocking plate cannot be pushed down, the movable grid body cannot be opened from the outside, and the function of the window grid for preventing intrusion from the outside in daily life is not impaired.

Although one embodiment of the present invention has been described above, the present invention is not limited to the above embodiment, and various design changes are possible. For example, if a structure as shown in FIG. 8 is employed as a hinge structure for swingably attaching the movable lattice body to the window lattice frame, the hinge portion can be identified from the outside as compared with the case where a hinge is employed. Since it is difficult to perform the operation, it is difficult to determine that the movable grid body is used, which is advantageous for crime prevention.

The hinge mechanism shown in FIG. 8 is configured such that a bearing ring 4
7 is fitted and fixed, and a hinge cylinder having a locking piece 49 having a large-diameter cylindrical head 48 fitted to the bearing ring is adopted. On the other hand, a hole through which the column head 48 of the locking piece penetrates is formed in the opposing surface of the upper frame 50 and the lower frame 51 to which the hinge cylinder is attached, and the lower frame 5 of the window grid mounting frame 4 is formed.
2, a locking piece receiving hole 53 is formed, and a locking piece through hole 55 is formed in the upper frame 54.

With the bearing ring 47 fitted and fixed, both ends of the cylindrical body 46 are welded and integrated with the opposing surfaces of the upper and lower frames of the movable lattice body, and the movable lattice body is attached to the window lattice mounting frame. At the time of attachment, the locking piece 49 is fitted into the cylindrical body 46 via the lower frame 52 and the bearing ring 47 of the movable grid body, and the end of the cylindrical head 48 is fixed to the locking piece receiving hole of the window grid mounting frame. The movable lattice member is fitted to the window lattice mounting frame 4 from the upper surface of the upper frame 54 as shown in FIG. It can be swingably attached to the frame.

In the above embodiment, the movable grid body is opened by swinging. However, the movable grid body may be slid and opened in a sliding manner in parallel. In this case, since the latch plate attached to the movable grid body moves parallel to the wall surface of the chamber, the locking device must be configured so that the key rod pushes down the sliding plate from a direction substantially perpendicular to the latch plate. Must. FIG. 3 shows an embodiment of the locking device in that case.
Shown in The basic structure of the lock device is the same as that of the lock device of the above-described embodiment. Therefore, the same components are denoted by the same reference numerals as those of the above-described embodiment, and only the different portions will be described.

The lock device 60 of the present embodiment includes a sliding guide 6 for a key rod 63 on the inner surface of a front wall 62 of a rectangular parallelepiped frame 61.
A long groove 65 is formed halfway in the front wall at the position where the slide guide 64 is formed, so that an engaging projection 66 formed on the key rod can pass therethrough. Therefore, as shown in FIG. 3, the key rod 63 extends in a direction substantially perpendicular to the top wall of the lock device main body, and the tip end located inside the device main body is engaged with the tip of the swing plate 67. An engagement projection 66 for pushing down the rocking plate is formed.

The locking device according to the present embodiment is constructed as described above. For example, as shown in FIG. 9, an openable / closable type in which the movable lattice 71 is moved in parallel with the fixed lattice 72 and opened. In the window lattice 70, the locking device main body 60 is fixed to the window lattice mounting frame 73, and the latch plate 22 is fixed to the vertical frame 74 of the movable lattice body facing the latch plate insertion hole 24 of the locking device main body. 63 penetrates the wall and its head 75
Protrudes into the room. In FIG. 9, reference numeral 77 denotes a spring provided on the vertical frame for moving the movable lattice body in the opening direction when the lock is released, but the spring may be provided on the fixed side, for example, on the lock device body. .
Therefore, also in this embodiment, the lock device can be easily released and the movable window lattice portion can be opened by simply pushing the key rod from the room. In the above embodiment, the lock device has been described as applied to an openable window lattice. However, the lock device of the present invention is not limited to application to an openable window lattice, and may be, for example, an emergency door or a gate. It goes without saying that the present invention can be applied to a lock device of other similar opening / closing means.

[0028]

The opening / closing window grid of the present invention is constructed as described above, and the window grid is completely locked so that it cannot be opened from the outside in daily life to prevent intrusion from the window. It functions as a lattice, but can be easily unlocked and opened by children, the elderly or the sick from the inside in an emergency, and is very effective for escape and rescue of people left indoors in case of fire It is. In addition, by configuring the window lattice as in the present invention, it is possible to carry in a load even from a window having the window lattice.

The lock device can be manufactured at a low cost with a simple structure, and the latch plate and the rocking plate can be securely engaged. The lock cannot be released from the outside unless the device body is destroyed. Can be released very easily by simply pushing the key. Since the tip of the key rod is always fitted into the apparatus main body without detaching from the apparatus main body, it is very effective for unlocking in an emergency.

Further, the pusher device of the present invention stores the pusher urged in the protruding direction inside, so that the operation as the pusher is assured, and the pusher device can be used as a mounting bracket such as a window lattice. Function can be performed. Further, by adopting the pusher device of the present invention in the opening and closing portion of the window lattice, it is not necessary to provide a separate spring or the like for opening the movable lattice body separately,
Further, since the pusher cannot be seen from the outside when the movable lattice member is closed, the appearance is good and the security effect is excellent.

[Brief description of the drawings]

FIG. 1 is a schematic cross-sectional view of a main part of an opening / closing window lattice according to an embodiment of the present invention.

FIG. 2A is a front sectional view of a lock device according to an embodiment of the present invention, and FIG. 2B is a sectional view taken along the line AA.

FIG. 3A is a front sectional view of a lock device according to another embodiment of the present invention, and FIG.

FIG. 4 is a schematic side view of a state in which the openable window lattice according to the present embodiment is attached to a building.

FIG. 5 is an operation schematic diagram of the openable window grid shown in FIG. 1;

FIG. 6 is a sectional view of an embodiment of the pusher device according to the present invention.

7 is an operation state diagram of the pusher device shown in FIG. 6,
(A) shows a state where the movable lattice is closed, and (b) shows a state where the movable lattice is pushed open.

FIG. 8 is a cross-sectional view of a main part of a hinge part of a movable lattice body according to another embodiment.

FIG. 9 is an operation schematic diagram of another embodiment of the openable window grid according to the present invention.

[Explanation of symbols]

1, wall 2 window opening 3, 73 window grid mounting frame 5, 70 openable window grid 6, 45, 71 movable grid body 7, 72 fixed grid section 12 pusher device 13 cylinder 17 pusher 18 stopper 20, 59 locking device 21, 60 Lock device main body 22 Latch plate 23, 63 Key rod 24 Latch insertion hole 25, 61 Frame 26 Front wall 27 Hinge 28, 67 Swing plate 32 Lock hole 33, 66 Lock protrusion 34 Cam follow protrusion 35, 64 Slide guide 36 Cam 39 Head 40 Sleeve 46 Tube rod 47 Bearing ring 49 Locking piece

Claims (7)

(57) [Claims] A movable grid body at least one of which can be opened, and a lock device for restricting opening and closing of the movable grid body, wherein the lock device comprises a lock device main body, a latch plate, and a key rod; The latch plate is fixed to the movable lattice body, the lock device main body to which the latch plate is fitted and locked is attached to a fixed portion, and the key rod protruding from the rack device main body protrudes indoors. A movable window lattice is opened by pressing said key rod from above. 2. The window frame according to claim 1, wherein the movable lattice member is swingable outward and can be opened, and is urged by urging means in an opening direction when the locking device is unlocked. Openable window grid. 3. The movable grid body according to claim 1, wherein the movable grid body can be slidably opened in parallel with the fixed grid portion, and is urged by an urging means in an opening direction when the locking device is unlocked. Openable window grid. 4. A latch plate having a locking portion, a lock device main body having a rocking plate for locking the latch plate, and a rocking plate which is rocked by rocking the rocking plate. The lock device main body includes a latch rod insertion hole for inserting the latch plate into the frame body, and the rocking plate is configured to face the parallel with the latch plate insertion hole. A locking projection is formed on the rocking plate so as to engage with the latch plate. The key rod has a distal end fitted into the lock device main body, and a base end located indoors. The latch plate has a swing plate operating portion at a portion fitted in the lock device main body, and the latch plate has the engagement protrusion engaged with the engagement hole. In the direction, and the rocking plate operating section rocks the rocking plate by pushing the key rod. A locking device wherein the engagement between the latch plate and the swing plate can be released. 5. A cam driven projection is formed on the swing plate,
A cam which abuts the cam driven projection is formed on the rocking plate operating portion of the key rod, and the tip of the key rod enters the locking device main body substantially parallel to the latch plate in a direction opposite to the latch plate. The locking device according to claim 4, wherein 6. A tip end of the key rod enters the locking device main body from a direction substantially perpendicular to the rocking plate, and the rocking plate is pressed against the spring by pushing the key rod. The locking device according to claim 4, wherein the locking device is pushed down. 7. A cylindrical body having a spring seat at one end, a large-diameter portion slidably fitted inside the cylindrical body, and extending from the large-diameter portion, penetrating through the other end of the cylindrical body, and externally. A pusher having a small-diameter shaft portion extending to the stopper, a stopper having a through hole through which the small-diameter shaft portion penetrates, and being fixed to an end of the cylinder opposite to a spring seat, the spring seat and the pusher A pusher device inserted between the end of the pusher and a spring for urging the pusher toward the stopper.