JP3346747B2 - Hanging door lower guidance 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 lower guide device for a hanging door, such as a folding door or a sliding door, which is hung on an upper guide rail.

[0002]

2. Description of the Related Art A conventional lower guide device for a hanging door of this type has a grooved guide rail embedded or fixed in a groove or a groove on a floor surface, and a hanging door is provided in a guide rail groove which is opened upward. The vertical axis roller of the guide roller unit on the side was loosely fitted.

[0003]

In the above-described conventional lower guide device for a suspension door, since the guide groove of the guide rail on the floor surface is open upward, dust and foreign matter are contained in the guide groove. There was a risk that the guide roller could easily enter, and the guide roller could not slide smoothly, and thus the hanging door could not move smoothly.

[0004]

SUMMARY OF THE INVENTION An object of the present invention is to provide a lower guide device for a hanging door which can solve the above-mentioned conventional problems. And a guide roller unit 6A attached to the hanging door (folding door 1) side, and the guide rail 7 is provided with a door. The guide roller unit 6A is disposed at an appropriate distance from the lower floor surface 48 and has a guide groove 52 that is open to the lower side. The guide roller unit 6A is located near the lower end of the hanging door (folding door 1). A roller support plate 28 attached to the back surface and entering the lower side of the guide rail 7 through a gap between the guide rail 7 and the floor surface 48 under the door.
And a lower portion of a suspension door having vertical axis guide rollers 31a and 31b supported on the upper side of the roller support plate 28 and loosely fitted in the guide rail grooves 52 of the guide rail 7.
A guide device, wherein the guide roller unit 6A is provided.
Is an elevating body urged downward by a spring 36
27 and the guide rail
A horizontal axis roller 30 that abuts and rolls on the upper surface of the
The roller support plate 28 is attached to the elevating body 27.
It has a configuration that is broken .

The guide rail 7 is provided with a mounting plate portion 51 having an L-shaped cross section which fits into a protruding corner portion 50 of a storage space floor surface 49 one step higher than the door lower floor surface 48. it can.

The roller support plate 28 for supporting the guide rollers 31a and 31b of the guide roller unit 6A is connected to the roller support plate 28 and the guide rollers 31a and 31b supported on the upper side of the roller support plate 28. A lower position where the guide roller 31a, 31b can be freely inserted into and removed from the guide rail 7 between the lower position and the outer position of the guide rail 7; Locking means 29 configured to be able to ascend and descend between
Can be added.

[0007]

The device of the present invention can be used as a lower guide device of a folding door 1 which can be moved horizontally in a folded state. In this case, the guide roller units 6A and 6B are used.
Are disposed at both ends of the lower part of the folding door 1, and the lifting door 27 of each of the guide roller units 6 </ b> A and 6 </ b> B is attached to the folding door 1.
When folded, fitting members 45 and 46 that fit together and prevent relative movement in the vertical direction can be attached.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to the accompanying drawings.
Is a hanging type folding door, and two door bodies 2A and 2B
Are connected by a hinge 3 so as to be foldable and deployable. The folding door 1 is engaged with the upper suspension guide rails 5 in the guide roller units 4A and 4B attached to the upper rear side at both ends in the lateral movement direction, and is attached to the lower rear side at both ends in the horizontal movement direction. In the guide roller units 6A and 6B, the lower rails engage with the guide rails 7 for steadying the lower side. As shown by a solid line in FIG. As shown by, by folding it into a V-shape protruding to the front side, it can be moved laterally along each of the upper and lower guide rails 5 and 7, thereby opening a storage space.

Upper guide roller units 4A, 4B
As shown in FIGS. 3 to 5, a mounting plate 10 screwed to the door main bodies 2A and 2B, and a swing plate pivotally attached to the outer side of the mounting plate 10 so as to be swingable about a vertical axis 11. 12, one horizontal shaft roller 13 pivotally supported near the upper end outside the rocking plate 12, and the slot 14 is engaged with the rocking plate 12 below the horizontal shaft roller 13. Lifting body 16 mounted to be movable up and down within a certain range with a sliding guide 15
And a pair of left and right vertical shaft rollers 17a and 17b supported by the upper end of the elevating body 16, and locking means 18 for locking the elevating body 16 at the ascending position. The locking means 18 is composed of a pin 19 supported by the elevating body 16 so as to be able to extend and retreat in a horizontal direction within a certain range, and a spring 20 for projecting the pin 19 toward the rocking plate 12.
Is raised to a predetermined position, the pin 19 is fitted into the pin hole 21 on the side of the swing plate 12 by the urging force of the spring 20, and the elevating body 16 is locked at the ascending limit position.

As shown in FIG. 3, the upper suspension guide rail 5 has a U-shaped support guide groove 22 having an open front side and a support surface 22a for supporting the horizontal shaft roller 13.
And a U-shaped direction regulating guide groove 23 which is arranged below the supporting guide groove 22 and is open at the lower side, and is attached to the ceiling side.

Lower guide roller units 6A, 6B
6 to 11, a mounting plate 24 screwed to the door bodies 2A and 2B, and a swing plate pivotally attached to the outer side of the mounting plate 24 so as to be swingable by a vertical axis 25. 26, an elevating body 27, a roller support plate 28, a locking means 29, one horizontal axis roller 30, and a pair of left and right vertical axis rollers 31a, 31b.

As shown in FIG. 10, the elevating body 27 has a vertically long slot 32 provided in the swinging plate 26 and a slide guide 3 attached to the elevating body 27 so as to engage with the long hole 32.
8, the pair of right and left recesses 34 formed on the side of the lifting body 27 that is in contact with the rocking plate 26 as shown in FIG. A pair of left and right springs 36 interposed between a lower end surface and a projection 35 projecting from the swing plate 26 so as to project into the concave portion 34 is urged downward.

The roller supporting plate 28 is provided in the groove 37 formed on the side of the lifting body 27 which is in contact with the rocking plate 26.
6, a vertical plate portion 38 that fits loosely up and down so as to be able to move up and down, a horizontal plate portion 39 that is bent and provided outward from the lower end of the vertical plate portion 38 (in a direction away from the door bodies 2A and 2B). A finger hook 40 bent outward from the upper end of the vertical plate 38
The vertical plate portion 38 is provided with an elongated hole 41 in the vertical direction in which the slide guide 33 on the lifting body 27 side moves relatively.

The locking means 29 includes a swing plate 26
The U-shaped locking member 42 is provided so as to be capable of horizontal movement only in the perspective direction,
And a spring 44 that biases inward to fit both inner ends of the locking member 42 into a locked hole 43 formed in the vertical plate portion 38 of the roller support plate 28. When the roller support plate 28 is raised to the raised position, the inner ends of the locking members 42 are biased by the springs 44 when the roller support plate 28 is raised to the raised position. Locked hole 4 of vertical plate portion 38
3 to lock the roller support plate 28 at the raised position.

The horizontal axis roller 30 is supported on the outer surface of the elevating body 27 so as to protrude below the lower end of the elevating body 27, and a pair of left and right vertical axis rollers 31a, 31b.
Are supported on the horizontal plate portion 39 of the roller support plate 28 so as to be located right and left symmetrically with respect to the horizontal axis roller 30 directly below the horizontal axis roller 30.

The lower guide roller unit 6
1A and 6B, the folding door 1 is folded in a V-shape as shown by the imaginary line in FIG.
When B is brought close to each other, fitting members 46A and 46B are fitted to each other as shown by phantom lines in FIG. 11 to prevent the two-door main bodies 2A and 2B from shifting in the vertical direction. That is, both guide roller units 6A, 6B
On the left and right sides of the elevating body 27 attached to the swing plate 26, a locking groove 47 having a middle width is formed as shown in FIGS. 7 and 9B, and one guide roller unit 6A is formed.
The female fitting member 46A provided with a vertically protruding portion is fitted and locked in the locking groove 47 on the side remote from the vertical support shaft 25, and the vertical support shaft 25 of the other guide roller unit 6B.
A male fitting member 46B fitted between the upper and lower projecting portions of the female fitting member 46A is fitted and locked in the locking groove 47 farther from the female fitting member 46A.

The elevating body 27 provided with the roller support plate 28 and its locking means 29 is formed symmetrically to the left and right so that it can be assembled to any of the guide roller units 6A and 6B. .

As shown in FIG. 8, the lower steadying guide rail 7 is a door lower floor surface 48 located immediately below the folding door 1.
And a mounting plate portion 51 having an L-shaped cross section that fits into the protruding corner portion 50 of the storage space floor surface 49, which is one step higher than the storage space floor 49, and is disposed at an appropriate distance from the door lower floor surface 48. A guide groove 52 which is open downward on the outside of the vertical plate portion 51a of the mounting plate portion 51.
Having.

When the folding door 1 is engaged with and supported by the upper and lower guide rails 5 and 7, the pins 19 of the locking means 18 in the guide roller units 4A and 4B on both upper ends of the folding door 1 are provided.
3 is pulled outward against the urging force of the spring 20, and the pin 19 is disengaged from the pin hole 21 on the rocking plate 12 side. And the locking members 42 of the locking means 29 in the guide roller units 6A and 6B below the both ends of the folding door 1 are fixed to the springs 4 via the knobs 45.
4 and is pulled outward against the urging force of the locking member 42.
In a state where both inner ends of the roller support plate 28 are detached from the locked holes 38 in the vertical plate portion 38 of the roller support plate 28, as shown in the left half of FIG. 9B and FIG. It is pushed down to the lower limit position using 40.

Next, one horizontal roller 13 of each of the guide roller units 4A and 4B on both ends of the folding door 1 is fitted into the support guide groove 22 of the upper guide rail 5, and the horizontal roller 13 is supported. Support surface 2 of guide groove 22
2a. Then, the lifting / lowering body 16 is pushed up by a fingertip and raised, and the two vertical shaft rollers 17a and 17b located immediately below the direction regulating guide groove 23 are fitted into the direction regulating guide groove 23. When the elevating body 16 reaches the elevating position, the pin 19 of the locking means 18 is automatically fitted into the pin hole 21 of the rocking plate 12 by the urging force of the spring 20, and the elevating body 16 is engaged with the elevating position. And the two vertical shaft rollers 17a and 17b are held in a state fitted in the direction regulating guide grooves 23.

On the other hand, the guide roller units 6A and 6B at the lower ends of both ends of the folding door 1 are in a state in which the elevating body 27 is lowered to the lower limit position by the urging force of the spring 36. To raise the horizontal axis roller 30 slightly higher than the upper surface level of the guide rail 7 on the floor surface side. In this state, the lower portions at both ends of the folding door 1 are swung toward the guide rail 7 so that each one horizontal axis roller 30 of each of the guide roller units 6A and 6B rides on the guide rail 7,
The pair of left and right vertical shaft rollers 31a and 31b is inserted under the guide rail 7. Then, the roller support plate 28 is pulled up by using the finger hook portion 40 at the upper end of the roller support plate 28, and a pair of left and right vertical axis rollers 31 is provided.
a, 31b are fitted into the guide grooves 52 of the guide rail 7. At this time, both inner ends of the locking member 42 of the locking means 29 match the locked holes 43 on the roller support plate 28 (vertical plate portion 38) side, and the locking member 42 is , The two inner ends of the locking member 42 are fitted into the locked holes 43, and the state where the vertical shaft rollers 31 a and 31 b are fitted in the guide grooves 52 of the guide rail 7 is maintained.

As described above, the upper and lower guide rails 5,
7 has guide roller units 4A and 4B and 6A and 6B.
, The upper portions at both ends of the folding door 1 are suspended on the support surface 22a of the upper suspension guide rail 5 via one horizontal axis roller 13 of each of the guide roller units 4A and 4B. Then, a pair of left and right vertical axis rollers 17a of the guide roller units 4A and 4B,
17b is fitted into the guide groove 23 of the upper suspension guide rail 5, and the guide roller units 6A, 6B
The pair of right and left vertical shaft rollers 31a, 31b are fitted into the guide grooves 52 of the lower steadying guide rail 7, whereby the positions of the four corners of the folding door 1 are determined with respect to the upper and lower guide rails 5, 7. , Held in a vertical position.

The door bodies 2A and 2B of the folding door 1 are
Upper and lower guide roller units 4A, 6A and 4B, 6
B can swing back and forth about the vertical support shafts 11 and 25 of B, and can move horizontally along the upper and lower guide rails 5 and 7. As a result, as shown by the solid line in FIG.
Can be opened in a flat plate shape to close the storage space, or the folding door 1 can be folded into a V-shape protruding to the front side to open the storage space, as shown by a virtual line in FIG. In addition, the folding door 1 in the folded state can be moved laterally along the upper and lower guide rails 5 and 7 according to the work position with respect to the storage space. At this time, if the upper suspension guide rail 5 and the lower steady rest guide rail 7 are not completely parallel, the vertical distance between the lower end of the folding door 1 and the lower steady rest guide rail 7 changes. In other words, the elevating body 27 in the lower guide roller units 6A and 6B
The horizontal axis roller 30 urged downward by the spring 36 and abutting on the upper surface of the guide rail 7
Since the roller support plate 28 is locked to the elevating body 27 via locking means 29, a pair of left and right vertical shafts fitted into the guide grooves 52 of the lower steady rest guide rail 7 is provided. Rollers 31a, 31b and guide rail 7
Is kept constant, and there is no danger that the pair of left and right vertical shaft rollers 31a and 31b may come off the guide groove 52.

Further, the folding door 1 is connected to the door main bodies 2A, 2B.
Are folded so as to be adjacent to each other, the fitting members 45 and 46 of the lower guide roller units 6A and 6B approaching each other fit each other as shown by phantom lines in FIG. Each of these fitting members 45, 46 is attached to the elevating body 27 in the guide roller units 6A, 6B, and the elevating body 27 has a constant vertical positional relationship with the guide rail 7 as described above. The two fitting members 45 and 46 are securely fitted to each other so that the door bodies 2A and 2B are displaced in the vertical direction. In other words, the folded door 1 is opened and closed in the opening and closing direction. Can be reliably prevented from tilting.

In the above embodiment, the apparatus of the present invention is applied to a hanging type folding door. However, the apparatus of the present invention can be applied to other hanging doors such as sliding doors. Further, the upper guide device of the hanging door is not limited to the above embodiment.

[0027]

As described above, according to the suspension door lower guide apparatus of the present invention, the guide rail on the floor surface for guiding the lower part of the suspension door has a guide groove which is open to the lower side. Since the vertical axis roller of the guide roller unit on the door side is fitted into the guide groove from below, the floor side is compared with the conventional lower guide device of this type using the upper side open guide rail. There is no danger that dust or foreign matter may enter the guide groove of the guide rail and hinder the smooth sliding of the vertical axis roller. Therefore, the lower portion of the suspension door can always be slid smoothly, but in particular, the present invention
According to the configuration, the upper guide rail for hanging the hanging door and
The guide rail on the floor surface that guides the lower part of the suspension door is completely
Even if they are not parallel, the vertical groove
To avoid inconvenience that the
No.

In particular, according to the configuration of the second aspect, it is not necessary to machine the guide rail embedding groove on the floor surface unlike the conventional case, and the guide rail on the floor side can be laid easily and inexpensively. In addition, the position accuracy of the guide rail can be improved.

According to the third aspect of the present invention, there is provided a suspension door in a state where the entire lower guide roller unit is mounted on the suspension door side and the upper part is suspended on the upper suspension guide rail. The lower guide roller unit can be engaged with the floor-side guide rail. Therefore, the guide roller unit is divided into a portion to be engaged with the guide rail and a portion to be attached to the suspension door side, and the guide rail side portion is engaged with the floor side guide rail, and the guide rail side portion is engaged. There is no need to connect the hanging door and the hanging door side part, and the hanging door can be easily and easily assembled.

[0030]

Further, according to the structure of the fourth aspect, in a so-called free folding door which can be moved laterally in a folded state,
When the folding door is folded, the fitting members of the guide roller units at both ends of the folding door are fitted to each other to prevent relative movement in the vertical direction, so that when the folding door in the folded state is moved laterally, the folding door is The tilting door does not tilt in the lateral movement direction, and the folding door can be moved laterally smoothly.

[Brief description of the drawings]

FIG. 1 is a schematic plan view illustrating a hanging folding door.

FIG. 2 is a schematic rear view illustrating the folding door.

FIG. 3 is a vertical sectional side view showing an upper guide device of the folding door.

FIG. 4 is a partially cutaway plan view showing a guide roller unit of the upper guide device.

FIG. 5 is a rear view showing a guide roller unit of the upper guide device.

FIG. 6 is a vertical sectional side view showing the lower guide device of the folding door;

FIG. 7 is a cross-sectional plan view showing a guide roller unit of the lower guide device.

FIG. 8 is a vertical sectional side view of the lower guide device at another position.

9A is a rear view showing a guide roller unit of the lower guide device, and FIG. 9B is a longitudinal rear view showing a state where a roller support plate of the guide roller unit is at a lowered position and a state where the roller support plate is at an elevated position. FIG.

FIG. 10 is a vertical side view of the guide roller unit in a state where a roller support plate is at a lowered position.

FIG. 11 is a rear view showing the guide roller units at the lower ends of both ends of the folding door when the folding door is folded.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Folding door (hanging door) 2A, 2B Door body 3 Hinge 4A, 4B Upper guide roller unit 5 Upper hanging guide rail 6A, 6B Lower guide roller unit 7 Lower steady rest guide rail 10, 24 Mounting plate 11, 25 Vertical support shaft 12, 26 Swinging plate 13, 30 Horizontal shaft roller 14, 32 Long hole 15, 33 Slide guide 16, 27 Lifting body 17a, 17b, 31a, 31b Vertical shaft roller 18, 29 Locking means 22 Guide groove for support 23 Guide groove for regulating direction 28 Roller support plate 36, 44 Spring 42 Locking member 43 Locked hole 45 Knob 46A, 46B Fitting member 47 Locking groove 48 Door bottom floor surface 49 Storage space floor surface 50 Outer corner 51 Mounting plate for guide rail for lower steady rest

Claims (4)

(57) [Claims] 1. A guide rail provided on a floor side and a guide roller unit mounted on a suspension door side, wherein the guide rail is provided at an appropriate distance from a floor surface on a door lower side. The guide roller unit has a lower open guide groove, and the guide roller unit is attached to the rear surface near the lower end of the hanging door, and is provided between the guide rail and the floor under the door. a roller support plate to enter the lower side of the guide rail through an air gap, the roller is rotatably supported on the upper side of the support plate and the guide rail of the guide loosely fitted into the rail groove vertical axis guide rollers and hanging doors that have a Under
Part guide device, wherein the guide roller unit,
The lifting body urged downward by the spring and this
It is supported by an elevating body and abuts on the upper surface of the guide rail.
A roller having a horizontal axis roller that rolls,
Is a lower guide device for a hanging door, which is attached to the elevating body . 2. The hanging door according to claim 1, wherein the guide rail includes an L-shaped mounting plate portion that fits into a protruding corner of a floor space of the storage space one step higher than the floor surface under the door. Lower guide device. 3. The roller support plate may move the roller support plate and a guide roller pivotally supported above the roller support plate into and out of a position between the guide rail lower position and the guide rail outer position along a floor surface. It is supported by the elevating body so as to be able to ascend and descend between a descending position and an ascending position where the guide roller loosely fits into the guide groove of the guide rail, and locks the roller support plate to the elevating body at least at the ascending position. The lower guide device for a suspension door according to claim 1 or 2, further comprising a locking means. 4. A lower guide device for a folding door which can be moved laterally in a folded state, wherein the guide roller units are disposed at both ends of a lower portion of the folding door, and a folding door is provided on the elevating body of each guide roller unit. The lower guide device for a suspension door according to any one of claims 1 to 3 , further comprising a fitting member that is fitted to each other when folded to prevent relative movement in the vertical direction.