JP2668654B2 - Automatic release device for folding door - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for automatically releasing vibration of a folding door such as a horizontal shutter.

[0002]

2. Description of the Related Art For example, Japanese Utility Model Laid-Open No. 2-115872 is known as an automatic swing-release canceling device for a folding door of this kind.

According to this proposal, a fixed pop-out block arranged on the hanging wall on the front side of the upper frame, a push-down block arranged on the inner side of the latch receiving wall on the rear side of the upper frame, and an escape connecting frame for the folding door or An automatic anti-vibration device shall be configured with a swing latch installed on the door panel and a rotatable cam placed on the door panel. While pushing down the stop latch, the fixed door block on the front side of the upper frame causes the cam on the folding door side to abut against it, so that the folding door is pushed out to the rear side when the swing latch is pushed down. It is said.

[0004]

In this case, swinging can be performed when the folding door is closed and automatically released when the folding door is opened. However, at least the fixed jump-out block, push-down block, swing-off latch, and cam are required. Since four types of members are required, the work for installing them is easily complicated,
In addition, the push-down block and swing stop latch, and the fixed jump-out block and the cam each require two separate movements, which complicates the movements and also requires precise positional relationships between the members to match the timing of the two movements. This necessitates more complicated installation work.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to provide an automatic door release device for a folding door, which simplifies the operation and simplifies the installation operation.

[0006]

According to the present invention, in accordance with the above problems, two types of members, that is, a pop-out unit and a latch unit, are used to perform a pop-up of a folding door and a push-down of a swing latch in a single operation. By doing so, the folding door is swayed when the folding door is closed and automatically released when the folding door is opened. A case installed on the wall and embedded in the hanging wall, and a curved slide that is rotatably unidirectionally rotatably supported by the case in one direction and urged toward the rear side to project. A pop-out unit equipped with a pivoting pop-out block having a contact surface, and an upper end of an exit connecting frame of a folding door or an upper end of a door panel in the vicinity thereof, which is mounted on the escape connecting frame or the door panel. A case and a latch on the rear side of the upper frame that can be pushed into and retracted from the case An anti-slip latch biased upward in the protruding direction so as to be in contact with the wall, and abutted against the curved sliding contact surface of the rotary pop-out block according to the pulling side of the folding door. Horizontally pivots to the case so that the swing latch rotates horizontally toward the back side so that the swing latch is forcibly immersed in the case, and the inside position on the front side of the swing latch is set as a fixed position on the upper surface of the case. And a latch unit having a latch immersion plate urged toward a fixed position direction on the front side of the folding door. In order to make the folding of the folding door easier,
Claim 2 is a folding part of at least a folding door in the upper frame, and the door panel substantially 1
2. A folding door according to claim 1, wherein a second ejecting unit similar to the ejecting unit is additionally provided on a front hanging wall at a position separated by a sheet. In order to further improve the operability of the installation, the third and fourth jumping units are embedded in a hanging wall component of the folding portion of the folding door in the upper frame. 3. The automatic swing-off releasing device for a folding door according to claim 2, wherein the hanging-wall constituting material is provided afterwards on the upper frame, and these are respectively the gist of the invention. It is a means.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in more detail with reference to the drawings showing the embodiments.
B is an opening frame that forms the shutter frame, C is a folding door that forms the shutter door, 1 is the upper frame of the opening frame B, 2 is a pair of upper suspension rails provided on the upper frame 1, and 3 is the upper frame 1. Of the above, the hollow thick front side hanging wall of the front side hanging rail 2 hangs down, 4 hangs below the rear side hanging rail 2 of the upper frame 1, and is made shorter than the hanging wall 3. A latch receiving wall having the same width and a hollow shape, which is opened downward, 5 is a sliding guide for the latch receiving wall, 6 is a lower frame of the opening frame B, 7 is an outer frame installed in a floor surface embedded state, and 8 is By removably fittingly mounting the outer frame 7, foreign matter such as dust and pebbles can be removed and the opening is narrowed so that the heel of the shoe does not enter as much as possible, and the groove rail 9 is an inner frame, 10 is a vertical frame on the suspension source side of the opening frame B, 11 is a clearance provided on the vertical frame 10 on the suspension source side, 12 A doorstop side vertical frame of the opening frame B, also 13 door panels of the folding door C, the upper rail of the door panel 13 14, 15 hinge stile of the door panel 13, 16 the door panel 1
Door panel 13 installed between 3 and hinged with hinge frame 15
And a hinged door carriage 17 mounted on the upper suspension rail 2 at the upper end and a sliding member 18 inserted in the groove rail 9 at the lower end to guide the opening and closing of the folding door C. The frames and 19 are also interposed between the door panels 13, and hingedly connect the door panels 13 by forming hinges with the hinge frame 15, and when the folding door C is opened and closed, it escapes from the opening frame B to the rear side, and the folding door Reference numeral 20 denotes a running frame of the folding door C, 21 denotes a running frame of the folding door C, and 21 denotes a hanging frame of the folding door C.

The horizontal pull shutter A has an automatic swing stop releasing device for the folding door C so that the folding door C can be swung when the folding door C is closed and automatically released when the folding door C is opened.

The automatic swinging apparatus is constructed by including a jumping unit 30 and a latch unit 40 as a pair, and the jumping unit 30 is arranged on the hanging wall 3 on the front side of the upper frame 1 and Case 32 embedded in wall 3
And a pivoting and ejecting block 35 having a curved sliding contact surface 36 which is supported by the case 32 so as to be rotatable in one direction horizontally and is urged toward the projecting direction on the rear side. Further, the latch unit 40 is disposed on the upper end of the escape connecting frame 19 of the folding door C or on the upper end of the door panel 13 in the vicinity thereof, and the case 41 installed on the escape connecting frame 19 or the door panel 13 in a mounted state, A swing-stop latch 44 biased in an upward projecting direction so as to be capable of projecting and retracting in the case 41 so as to be in contact with the latch receiving wall 4 on the rear side of the upper frame 1, and a suspension door side of the folding door C. In response to the pulling, the rotating and jumping block 35 comes into contact with the curved sliding contact surface 36 and horizontally rotates to the rear side, and horizontally rotates to the case 41 so that the anti-skid latch 44 is forced into the case 41. The swing latch is supported by the shaft and is set on the upper surface of the case 41. There 4 of the front side inner position as provided with the latch immersive plate 48 which is biased toward the position direction of the front side so as to place.

The pop-out unit 30 and the latch unit 40 of this example are both made of stainless steel, and the pop-out unit 30 has screw holes 34 on both sides.
In a rectangular case 32 having a mounting piece 33 having
A rotary slide-out block 35 of a piece-shaped member having a curved sliding contact surface 36 on one side so as to have a latch shape is rotatably supported on a support shaft 37, and the curved sliding contact surface 36 is always It is assumed that the spring 38 is urged toward the rear side so as to keep the protruding state of the rotary pop-out block 35 so as to face the non-suspending side, and thus the curved sliding contact surface 3
6 against the external force toward the hanging base side, the turning-out block 35 keeps the protruding state and resists it, while the opposite external force, that is, the external force toward the non-suspending side. On the other hand, the turning pop-out block 35 is forcibly turned,
It is designed to be resiliently immersed in the case 32.

On the other hand, the latch unit 40 is also provided with a case 41 in which a mounting piece 42 having a long screw hole 43 for adjusting the position of the upper frame 1 in the longitudinal direction is provided on both sides thereof. With the surface facing the front, the lower latch shaft 4
5 is held and guided by a guide plate 46 provided below the case 41 so that the swing latch 44 can be projected and retracted, and the state in which the swing latch 44 projects above the upper surface of the case 41 is normal. , Case 41 and guide plate 46
A spring 47 interposed between the springs urges it in the upward protruding direction. On the other hand, the latch immersing plate 48 in the latch unit 40 is formed into a flat plate shape, and a pressing portion 49 by a bent piece bent downward is provided at a corner portion on one side of the suspension side and a tip on the other side of the non-suspension side. The case 41 is provided with a groove guide 50 by an extended bending piece bent in a U shape.
The upper surface of the case 41 is superposed on the upper surface of the case 41 at the end of the case 41 on the rear side of the case 41 on the suspension base side of the swing latch 44. At that time, the latch press-fitting portion 52 is wound around the support shaft 51 so that the latch press-fitting portion 52 is in a fixed position at the front inner side position of the swing stop latch 44, and the latch press-fitting portion 52 is in the normal position. It is assumed that the spring 53 is biased toward the fixed position, and the case 4
At the end of the non-suspending side of 1, the horizontal movement of the latch immersing plate 48 is made stable and reliable, and the pivoting range is restricted to prevent the latch immersing plate 48 from protruding to the back side. In addition, there is provided a horizontal guide 54 formed by a horizontal protruding piece that fits into the groove guide 50 and a stopper 55 formed by a downwardly inclined protruding piece on the back side thereof.

In this example, the pop-out unit 30 is a door panel 13 located on the most hanging base side of the folding door C, which is a folding portion of the folding door C on the hanging side of the hanging wall 3 of the upper frame 1.
It is disposed at an intermediate position, and the
The same second pop-out unit 31 is additionally provided on the same hanging wall 3 at a position separated by approximately one door panel on the non-suspending side, and at this time, the mounting piece 33 is attached in each case. The case 32 is embedded so as to be in contact with the hanging wall 3 so that each of the turning and popping blocks 35 projects rearward from the hanging wall 3.

At this time, the hanging wall 3 of the upper frame 1 is cut away at a length of at least the width of the door panel 13 at the folding portion of the folding door C, together with the upper hanging rail 2 on the front side from the upper frame 1. On the other hand, the hanging wall component 3a that can be fixed in a retrofitting manner is provided, whereby the upper hanging door roller 17 of the folding door C is used as the hanging port of the folding door C mounted on the upper hanging rail 2, while the above-mentioned popping-out is performed. The sushi unit 30 and the second jumping unit 31 are embedded in the hanging wall constituent member 3a, and the hanging wall constituent member 3a is attached to the upper frame 1 afterwards. 31 The installation work for installation is simplified and the workability can be improved.

On the other hand, in this embodiment, the latch unit 40
Are arranged in the vicinity of the escape connecting frames 19 of the alternate alternating ones and are respectively arranged on the upper ends of the door panels 13 located on the hanging side of the escape connecting frames 19, and the arrangement is performed for each of these doors. The mounting piece 42 is brought into surface contact with the upper surface of the panel 13, that is, the upper frame 14, while the guide plate 46 is embedded, and the case 41 of the latch unit 40 is placed on this. Further, at this time, the swing latch 44 is brought into contact with the latch receiving wall 4 of the upper frame 1 in a protruding manner while the latch unit 40 is in a height position where it can slip through the latch receiving wall 4 when it is retracted. is there.

As described above, according to the automatic door release device for the folding door C in the horizontal sliding shutter A of this embodiment, the traveling frame 20 of the folding door C is manually or electrically pulled toward the door stop side vertical frame 12 side. When the folding door C is extended and closed by closing, the swing-stop latch 44 of each latch unit 40 hits the curved sliding contact surface against the latch receiving wall 4 on the rear side of the upper frame 1 and rebounds. When the folding door C is pressed by the upper frame 1, the upper frame 1 of the folding door C is held by the upper frame 1 of the folding door C. Leading to anti-shake.

At this time, the door unit 1 of the folding door C
Even when the latch unit 40 of 3 hits the rotary jump block 35 of the jump unit 30, the rotary jump block 3
There is no possibility that 5 is pivoted horizontally each time and is retracted into the case 32, thereby preventing the folding of the folding door C.

On the other hand, on the contrary, by pulling the traveling frame 20 of the folding door C toward the hanging-side vertical frame 10 side, the folding door C is
The clearance is extended by the width of the clearance 11 and the vertical frame 10 is moved.
, And receives the reaction force thereof, and the hanging side pulling causes the latch immersion plate 48 pressing portion 49 of the latch unit 40 of the hanging side door panel 13 to push the rotating and jumping block of the jumping unit 30. 35 curved sliding contact surface 3
6, the door panel 13 of the folding door C is jumped out from the upper frame 1 to the rear side, and at the same time, the latch retractable plate 48 is forcibly rotated horizontally, and the swinging latch 44 is
The case 41 is elastically immersed in the case 41, and the abutting engagement with the latch receiving wall 4 by pushing down the swinging latch 44 is forcibly released. The door panel 13 on the side and the swing stop latch 44 are pushed down at the same time.

At this time, the turning-out jumping block 35 of the second jumping-out unit 31 acts on the latch unit 40 of the next door panel 13 and the like so as to perform a single operation of jumping out and swinging. Therefore, in the horizontal pull shutter A of this example, the folding door C is the pop-out unit 3
0 and the folded portion where the second jumping-out unit 31 is provided is guided by the hanging wall 3 of the upper frame 1 and the slidable guide strip 5 of the latch receiving wall 4 so that the folded portion in the extended state is used as a door pocket. In this area, the door panel 13 on the most hanging side is provided with the pop-out unit 30, and the remaining door panel 13 is provided with the second panel.
Each of them is folded by the pop-out unit 31.

In this example, the relationship between the folding door C and the lower frame 6 is based on the engagement of a monkey lock on the folding door C side and the receiving hole on the lower frame 6 (not shown). The formation of a protrusion such as a vertical wall or a latch receiving wall that obstructs the passage of a vehicle or a wheelchair on the lower frame 6 is avoided.

Although the illustrated example is as described above, the latch unit can be installed not only on the upper end of the door panel but also on the upper end of the escape connecting frame, and can be folded, for example, on the upper frame or this and the lower frame. The upper end or the lower end of the door C is held in a wrapping shape, while a cutout is provided in the folding portion to release the holding shape, and the cutout portion is used as a door pocket. If this is the case, the latch unit shall be installed on one or more escape connecting frames or door panels on the hanging side, and the remainder shall be folded so that it may be pulled by the door panel that is folded first. It should be.

On the other hand, the jumping-out unit is used alone, and at this time, it is arranged at the position of the second jumping-out unit in the above-mentioned example, or in the above-mentioned example, each in the longitudinal direction of the upper frame. It is also possible to arrange so as to correspond to each of the latch units.

In the practice of the present invention including the above, each of the ejecting unit, its case, the rotating ejecting block, the latch unit, its case, the anti-shock latch, the latch immersion plate, the folding door, the upper frame, etc. Concrete material, shape, structure,
The dimensions, the number, the relationship between them, additions to these, and the like can be variously modified without departing from the gist of the invention.

[0023]

As described above, according to the present invention, claim 1 is arranged in the hanging wall on the front side of the upper frame, the case is embedded in the hanging wall, and the case is rotatable in one direction horizontally. A pop-out unit equipped with a pivoting pop-out block having a curved sliding contact surface that is rotatably supported and urged toward the rear-side projecting direction, and the escape connecting frame upper end of the folding door or its A case installed on the upper end of a nearby door panel and mounted on the escape connecting frame or door panel, and so as to be capable of protruding and retracting into the case so as to engage with a latch receiving wall on the rear side of the upper frame in a face-to-face manner. An anti-slip latch urged in the upward projecting direction and an abutting contact with the curved sliding contact surface of the rotating pop-out block in accordance with the pulling of the folding door on the hanging side, and horizontal rotation to the rear side to cause the swing. The stopper latch is pivotally supported horizontally in the case so that it can be forcibly immersed in the case. It is characterized by comprising a latch unit having a latch immersing plate biased toward a fixed position on the front side so that the inner position on the front side of the swing latch is fixed. When the folding door is closed, the two types of members, the pop-out unit and the latch unit, which are composed of a small number of members, are used to perform the pop-out of the folding door and the push-down of the swing latch in a single operation. While swinging off and automatically releasing when opening,
It is possible to provide an automatic swing-release canceling device for a folding door that simplifies installation work.

According to the second aspect of the present invention, the popping-out unit is made into a folding portion of at least a folding door, and the pop-out unit is separated from the pop-out unit on the non-suspension side by approximately one door panel. In addition to the above, in addition to the above, the second pop-out unit and the second pop-out unit are additionally provided with a second pop-out unit. It is possible to more easily fold the folding door at the time of opening by sharing the following movement of the door panel and pushing down the swing latch.

According to a third aspect of the present invention, the projecting unit and the second projecting unit are embedded in the hanging wall component of the folding portion of the folding door in the upper frame, and the hanging wall component is placed on the upper frame. Since it is characterized in that it is arranged on the frame afterwards, in addition to the above, workability of installing the jumping unit and the second jumping unit can be further improved.

[Brief description of the drawings]

FIG. 1 is a rear view of a horizontal shutter.

FIG. 2 is a longitudinal sectional view of a horizontal shutter.

FIG. 3 is a vertical cross-sectional view showing a relationship between a latch receiving wall of an upper frame and a swing stop latch of a latch unit.

FIG. 4 is a cross-sectional view of the horizontal shutter.

FIG. 5 is a cross-sectional view showing a closed state of the folding door.

FIG. 6 is a cross-sectional view showing a state in which the folding door is pulled toward the hanging side.

FIG. 7 is a cross-sectional view showing a folding stage of the folding door.

FIG. 8 is a cross-sectional view showing a closing stage of the folding door.

FIG. 9 is an exploded perspective view showing a relationship between an upper frame and a hanging wall component.

FIG. 10 is a plan view of a jumping-out unit.

FIG. 11 is a front view of the pop-out unit.

FIG. 12 is an exploded perspective view showing the relationship between the door panel and the latch unit.

FIG. 13 is a plan view of a latch unit.

FIG. 14 is a front view of the latch unit.

FIG. 15 is a plan view showing an operating state of the latch unit.

FIG. 16 is a front view showing the operating state of the latch unit.

[Explanation of symbols]

 Reference Signs List A Horizontal shutter B Opening frame C Folding door 1 Upper frame 3 Hanging wall 3a Hanging wall component 4 Latch receiving wall 13 Door panel 16 Running connecting frame 19 Escape connecting frame 30 Jumping unit 31 Second jumping unit 32 Case 35 times Motion pop-out block 40 Latch unit 41 Case 44 Sway latch 48 Latch immersion plate

Claims (3)

(57) [Claims] 1. A case, which is disposed on a hanging wall on the front side of the upper frame, is embedded in the hanging wall, and is rotatably unidirectionally rotatably supported in one direction in the case, and is directed toward a rearward protruding direction. A pop-out unit equipped with a pivoting pop-out block having a curved sliding contact surface that is urged and retracted, and an escape connection of the folding door. A case installed on the connecting frame or door panel, and a swing stop that is urged upward in the protruding direction so as to be capable of projecting and retracting in the case and contactingly engaging the latch receiving wall on the rear side of the upper frame. A case where the latch and the swing-stop latch are forced to immerse into the case by colliding with the curved sliding contact surface of the rotating and popping block according to pulling of the folding door on the hanging side of the folding door and horizontally rotating to the rear side. Is horizontally rotatably supported on the case, and the inner position on the front side of the swing stop latch is located on the upper surface of the case. And a latch unit having a latch immersing plate that is biased toward a fixed position on the front side so that the automatic swing-release device for a folding door is provided. 2. The same as the above-mentioned pop-out unit on the hanging wall on the front side at a position separated by approximately one door panel from the non-hanging side as the folding part of at least the folding door in the upper frame. 2. The automatic swing-release canceling device for a folding door according to claim 1, wherein the second pop-out unit is additionally provided. 3. The jumping unit and the second jumping unit are embedded in a hanging wall component of the folding part of the folding door in the upper frame, and the hanging wall component is retrofitted to the upper frame. The automatic swing-release device for a folding door according to claim 2, wherein the device is provided.