JPH0712620Y2 - Folding door device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a folding door device, in particular, a folding door device which is mounted on a veranda, a solarium or the like, and a panel is kicked outward when folding. .

(Prior Art) A folding door device is a device in which a plurality of panels are connected via a joint and opens and closes along upper and lower rails, and is widely used as an opening and closing device for partitioning and opening an indoor space. The present invention was developed especially for folding door devices mounted on balconies, solariums, etc., but in the conventional folding door devices of this type, the kick-out joint portion on the lower rail side is not constrained. As a result, flutter may occur due to wind pressure, or drafts may enter. If the height of each panel is low, it is possible to prevent rattling of the panel to some extent by restraining the kick-out joint part only on the upper rail side, but if the panel height is high, on the lower rail side. Also, the kick-out joint part must be restrained. Of course, if the drop bar is attached to the joint, the lower end of the kick-out joint can be restrained by inserting the drop bar into the drop hole or the U-groove type rail groove in the closed state. The operation of the drop bar is extremely troublesome and the positioning with the drop hole is not easy.

(Object of the Invention) As described above, the above-described problem exists in the folding door device such as the veranda in which the kick-out joint part is kicked outward and folded, and the folding door device such as the solarium. The present invention is intended to solve these problems and enables smooth opening and closing, and also prevents the rattling of the panel by blocking the kick-out joint on the lower rail side to prevent the entry of drafts. A folding door device that can be used is provided.

(Structure of the present invention) The folding door device of the present invention aims to solve the above problems.
It has the following features:

That is, the basic structure of the folding door device is the same as the conventional one, and the folding doors are mounted on the upper and lower rails so as to be openable and closable, and the folding door has a plurality of panels connected through a joint portion. Become. Here, the joint is always constrained (guided) by the upper and lower rails, and when folding, the main joint only bends the panels connected to the left and right, and when folding it kicks outward from the upper and lower rails. It has a kick-out joint part to be ejected, a running tool is attached to the upper end of the main joint part, and a main slider is attached to the lower end. A latch that engages and disengages with the upper rail is projected upward at the kick-out joint portion or an upper end near the joint portion, and a spring force acting upward is applied to the latch. . Further, a push-down block for pushing down the latch and a kick-out block for kicking out from the rail in the pushed-down state are fixed to necessary portions.

However, the structure of engaging the kick-out joint on the upper rail side with the upper rail when closing and releasing it from the upper rail when opening reversely consists of the above-mentioned latch, push-down block and kick-out block. It is not limited to a series of devices (kicking means).

On the other hand, on the lower rail side, a main slider is formed at the lower end of the main joint, and a latch extending downward is attached to the kick-out joint or the lower end near the joint, and the latch always faces downward. The spring force that protrudes is biased. Here, the lower rail comprises a main groove and a sub groove, the main slider is guided by the main groove, the latch is guided by the sub groove, and the sub groove is formed on the outer side of the lower rail. A push-up block is fixed to the sub-groove at an appropriate position and has a height sufficient to engage with the latch and push the latch up to separate it from the sub-groove. Furthermore, the lower rail has a guide that supports the inside of the panel,
An airtight material is provided along the guide. Here, the number of the above-mentioned push-up blocks is related to the number of panels constituting the folding door, and if the folding door has one kick-out joint portion with two panels, it is installed in the joint portion. One push-up block is sufficient to push up the attached latch, but if it is constructed with 4 or 6 or more panels, then two or more push-down blocks may be used as auxiliary grooves. Fixed to. In the case of the first push-up block, the fixed position is set near the first latch and closer to the suspension side, and the second push-up block is set at an appropriate position between the second latch and the first latch.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.

(Embodiment) FIG. 1 is an embodiment showing a folding door device of the present invention,
The folding door device is configured by mounting a folding door composed of a plurality of panels 1a, 1b ... On a frame body formed by an upper rail 2, a lower rail 3, a suspension frame 4 and a door stop frame 5, The figure shows the front view. The panels 1a, 1b ... Are flexibly connected via the main joint portion 6 and the kick-out joint portion 7, and the main joint portion 6
A traveling tool 8 for suspending the panel 1 and moving the upper rail 2 is provided at the upper end of the, and a main slider 9 is provided at the lower end for moving while being restrained by the lower rail 3, while at the upper end of the kicking joint portion 7. The upper latch 10 and the lower latch 11 project from the lower end. Further, kick-out cams 21 and kick-out blocks 16 and 16 engaging with the kick-out cams 21 are fixed to the upper rails 2 at appropriate positions on the upper ends of every other panels 1a, 1c ,. . As is well known, the running tool 8 does not come off from the upper rail 2, but the kick-out joint portion 7 has the upper and lower latches 1.
By releasing 0 and 11 from the rail guides, the folding doors are kicked out from the upper and lower rails 2 and 3. As will be described later, the upper and lower latches 10 and 11 are released, and the upper latch 10 is pushed down and the lower latch 11 is kicked out while being pushed up. The kick-out joint portion 7 is kicked out by engaging the kick-out block 16 arranged on the upper rail 2 and the kick-out cam 21 fixed to the upper end of the panel.

FIG. 2 shows a cross section in which the upper rail 2 and the upper latch 10 are attached, but the panel 1 is suspended by the traveling tool 8 attached to the upper end of the main joint portion 6, and the traveling tool 8 is attached.
Can travel along the rail piece 12 of the upper rail 2 in the longitudinal direction. A guide piece 13 is extended downward on the rail piece 12 on one side, and an airtight material 14 having an airtight function is provided inside the lower end of the guide piece 13 to guide one side surface 15 of the panels 1a, 1b. A kick-out block 16 is fixed at a predetermined position inside the guide piece 13, and a latch receiver 17 is formed on the other rail piece 12 along the longitudinal direction. However, the latch receiver 17 is not long enough to reach the side surface of the panel 1 like the guide piece 13 and has a slight gap between the upper end 18 of the panel and is pushed down inside the latch receiver 17. The block 19 is fixed at a predetermined position, and the lower end surface of the push-down block 19 is the same as or slightly protrudes from the lower end surface of the latch receiver 17. The upper latch 10 projects from the upper end 18 of the panel 1, and the tip of the upper latch 10 forms a triangle inclined inward and is attached in a vertically movable state. That is, the upper latch 10
Is constantly lifted by a spring 20 built into the upper part of the panel 1, moves along with the panel 1 along the rail, and descends when engaged with the push-down block 19, and the tip of the upper latch 10 is at the same position as the lower end surface of the latch receiver 17 Can be pushed down to.
Further, in this state, the kick-out cam 21, which will be described later, comes into contact with the above-mentioned kick-out block 16 so that the upper latch
10 passes through the latch receiver 17 and is kicked out of the rail, and then the panel 1 is bent and folded.

FIG. 3 shows a cross section of a position where the kick-out cam 21 is attached. The kick-out cam 21 is pivotally supported on the upper end of the panel 1 through a shaft 22 and rotates only in a fixed direction. Is allowed.

4 and 5 show the kick-out cam 21 and the kick-out block 16.
The kicking cam 21 shown in FIG.
Rotates about an axis 22 and its tip portion forms slopes 23, 23 that are inclined to the left and right, while the kicking block 16 also has slopes 24, 24, as shown in FIG. 23 and 24 are almost in agreement with each other. Of course, there is no necessity that the slopes 23 and 24 as shown in the figure must be used, and it is sufficient to form them with a smooth arc. And such a kick-out cam 21 together with the panel 1
When folded, it moves in the direction of the arrow, and at the same time the upper latch 10 is pushed down by the push-down block 19, the kick-out cam 21 makes contact with the kick-out block 16 and further moves in the arrow direction (longitudinal direction of the rail). Then, the kick-out cam 21 is forced to move in the direction perpendicular to the moving direction of the arrow. That is, the panel 1 is kicked out of the upper rail 2 and folded. Since the kick-out cam 21 is prevented from rotating counterclockwise from the state shown in FIG. 4, the panel 1 can be kicked out, but when the folded panels 1a, 1b ... Kicking cam
21 hits the kicking block 16 on the opposite slope 23, and in this case, the kicking cam 21 rotates clockwise and escapes as shown in FIG. In the state where the panels 1a, 1b ... Are folded, the upper latch 10 is outside the upper rail 2 and the latch receiver 17, but if the folding door is extended, the upper latch 10 will be inclined with its tip facing inward. Since it forms 25, the slope 25 hits the latch receiver 17 and is pushed down,
It is guided into the latch receiver 17. The kick-out cam 21 that has once entered the upper rail 2 moves within the upper rail 2 by rotating and escaping as shown in FIG. 5, and in this case, the upper latch 10 is also pushed down by the push-down block 19 to move. To do. Therefore, since the shape of the push-down block 19 pushes down the upper latch 10, it needs to be inclined with respect to the longitudinal direction of the upper rail 2, and the kick-out cam 21 rotates clockwise and then returns to the original state ( A torsion spring (not shown) is attached to the shaft 22 so as to be able to return to the state shown in FIG. However, the kick-out cam 21 attached to the suspension side panel 1a and the panel 1e located on the sliding door side may not necessarily be allowed to rotate.

By the way, the latch receiver 17 is formed over the entire length of the upper rail 2, and the upper latch 10 which engages / disengages with the latch receiver 17 is not attached to the kick-out joint portion 7 and the upper latch 10 is provided on the suspension side. (1) Attach only to the kick-out joint part 7,
A depressing block 19 for depressing 10 is arranged at a predetermined position, a latch receiver 17 is provided only at a folding position, and other portions are provided with the guide pieces 13 alongside each panel.
1a, 1b ... You can also guide the upper end. Also in this case, the first and second kick-out blocks 16a and 16b are arranged at predetermined positions, and the kick-out cams 21 ... Are similarly attached to the upper end of the panel.

The specific example of the upper rail 2 side has been described above, but the lower rail side is configured as shown in FIG. As shown in the figure, the lower rail 3 has a main groove 26 and a sub groove 27 arranged side by side, and the main slider 9 is loosely fitted in the main groove 26 and the lower latch 11 is loosely fitted in the sub groove 27.
It is in a movable state. The main slider 9 is fixed to the lower end of the main joint portion 6 by protruding downward, and the lower latch also protrudes downward at the kick-out joint portion 7 or the lower end near the joint portion, while the lower latch 11 is upward. Like the latch 10, it is biased by a spring force, is always in a protruding state, and is pushed up by the action of a pushing force from below. A partition 28 is provided between the main groove 26 and the sub groove 27, a latch receiver 29 is formed outside the sub groove 27, and the lower latch 11 is easily inserted into the sub groove 27 at the upper end of the latch receiver 29. It has an introduction guide 30 for Then, in order to push up the lower latch 11, the push-up block 31 is pushed into the sub-groove 27 as shown in FIG.
Is fixed, and the lower latch 11 that comes along the auxiliary groove 27
When it comes in contact with the push-up block 31, it is pushed up, and when the lower end of the lower latch 11 rises above the upper end of the latch receiver 29,
Separate from the sub groove 27. The kick-out block and kick-out cam are not attached to the lower rail 3 side, but the lower latch 11
The push-up block 31 must be positioned so that the push-up block 31 is timed with the push-down of the upper latch 10. On the other hand, a guide piece 32 is provided on the lower rail 3 as well as the upper rail 2, and an airtight material 33 that is in contact with the side surface 15 of the panel 1 and is airtight is attached to the guide piece 32.

FIG. 7 is an embodiment showing another form of the lower rail 3. In this embodiment, the sub groove 27 and the lower latch 11 are almost the same as those shown in FIG. 6, but the constructions of the main groove 26 and the main slider 9 are different. The main groove 26 is formed on one side of the lower rail 3, and the main slider 9 is loosely fitted in the main groove 26.
A connecting member 34 is fixed to the lower end, and the main slider 9 is attached to the tip of the connecting member 34.

As described above, the folding door device of the present invention is one in which the folding doors that are hung and guided to open and close are attached to the upper and lower rails, and the lower rail is formed with the main groove and the sub-groove. The main slider is loosely fitted in the main groove and the lower latch is loosely fitted in the sub groove, and the following effects can be obtained.

(Effects) (1) The folding door device of the present invention used as a partition from the outside such as a veranda or a solarium, has a lower rail having a main groove and a sub-groove formed therein, and the sub-groove engaging and disengaging the lower latch. Can be loosely fitted to restrain the lower end of the panel. Therefore, the folding door is free from rattling, and intrusion of draft can be prevented, and in particular, the airtightness and watertightness of the folding door device can be improved by abutting the side surface of the panel against the airtight material attached to the guide piece.

(2) In addition, the lower latch is easy to be introduced into the sub groove,
An introduction guide is formed at the upper end of the introduction latch receiver, and conversely, it is detached from the auxiliary groove by the action of the push-up block and the kick-out means on the upper rail side, so that the folding door can be opened and closed smoothly.

(3) On the other hand, a sub-groove is formed in the lower rail, and a lower latch that loosely fits in the sub-groove is attached to the kick-out joint portion or the lower end in the vicinity of the joint portion. It is not necessary to form a notch or a storage part, and the suspension side panel (2
The lower end of (sheet) can be automatically locked / unlocked, there is no notch, rail processing is easy, and it is aesthetically pleasing and operation is smooth.

[Brief description of drawings]

FIG. 1 is a front view showing a folding door device, and FIGS.
The figure shows a cross-sectional view of the upper rail side, Figs. 4 and 5 show the engagement state of the kicking block and the kicking cam, and Figs. 6 and 7 show the main rail and the sub-groove of the lower rail being loosely fitted. FIG. 8 shows a state of the push-up block fixed to the sub-groove of the lower rail, respectively. 1 ... panel, 2 ... upper rail, 3 ... lower rail, 4 ...
… Suspension base frame, 5 …… Door stop frame, 6 …… Main joint part, 7 …… Kick-out joint part, 8 …… Running equipment, 9 …… Main slider, 10
…… Upper latch, 11 …… Lower latch, 12 …… Rail piece, 13,3
2 …… Guide piece, 14,33 …… Airtight material, 15 …… Side, 16 ……
Kick-out block, 17,29 …… Latch holder, 18 …… Top end, 19 …… Push down block, 20 …… Spring, 21 …… Kick-out cam, 22 …… Axis, 23,24,25 …… Slope, 26 ...... Main groove,
27 …… Secondary groove, 28 …… Partition, 30 …… Introduction guide, 31 ……
Push-up block, 34 ... Connecting member.

Claims (2)

[Scope of utility model registration request] 1. A folding door device in which a folding door formed by connecting a plurality of panels in a bendable state is suspended and guided by an upper rail and a lower rail, and a main groove and a sub groove are formed in the lower rail. The main slider provided at the lower end of the main joint portion for connecting the panel is loosely fitted to the main groove, and the kickout joint portion for connecting the panel or the lower end near the joint portion is attached to the auxiliary groove. The lower latch is loosely fitted, spring force is applied to the lower latch so as to always project downward, and at least one push-up block for pushing up the lower latch is provided in the auxiliary groove.
Folding door device characterized by being installed at a place. 2. A utility model registration claim comprising a kick-out means on the upper rail side for kicking out a kick-out joint part from the rail when the lower latch is engaged with a push-up block and pushed up. The folding door device according to item 1.