JPH11159222A - Slider device of sliding door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent a sliding door from unexpectedly opening/closing and give appropriate opening/closing resistance to it by providing a slider on a casing, and providing an engaging part on the slider. SOLUTION: A slider 5 is fitted to a casing capably of adjusting the position in the vertical direction and the position in the thickness direction of a sliding door. Then, a supporting shaft 12 and a screw shaft 14 are rotatably provided in the casing 8. Next, a regulating block 15 is in a threaded fashion engaged with the screw shaft 14, and it is engaged with the recessed part 16 on the lower part of a bracket 13. Next by rotating the head part 17 of the screw shaft 14, the slider 5 together with the bracket 13 are swung around the supporting shaft 12, and the vertical position of the upper end of the slider 5 is regulated. Further a catch member 30 is fitted to the end part of a guide rail with screws, and when the sliding door is closed, the catch member 30 is engaged with the engaging part 31 of the slider 5, so as to prevent the door from unexpectedly opening. Hereby, the sliding door is prevented from unexpectedly opening/closing, and resistance force at operating to open/close can be made appropriate.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door slider device for mounting a slider sliding on a guide rail to a sliding door.

[0002]

2. Description of the Related Art Conventionally, there is a type in which a slider is provided at an upper end portion of a sliding door to slide on a guide rail attached to a doorway of a building or an upper edge of an opening of furniture.

[0003]

For example, if the opening and closing resistance of the sliding door is reduced by attaching a roller to the lower portion of the sliding door, there arises a problem that the sliding door is opened and closed unexpectedly.

SUMMARY OF THE INVENTION It is an object of the present invention to provide a sliding door slider device that can prevent accidental opening and closing of a sliding door and can provide appropriate opening and closing resistance.

[0005]

Means for Solving the Problems In order to achieve the above object, the present invention employs the following technical means.

That is, the sliding door slider device of the present invention comprises:
A slider that slides the guide rail along the longitudinal direction is provided on the casing attached to the sliding door so that the slider can be adjusted vertically. It is provided with an engaging portion that engages removably. Therefore, by adjusting the vertical position of the slider, the engaging force of the catch member to the engaging portion of the slider is adjusted, whereby an appropriate opening / closing resistance of the sliding door can be provided, and the sliding door is accidentally opened and closed. Can be prevented.

If an operating portion for adjusting the vertical position of the slider is provided on the casing so that it can be operated from the side end surface side of the sliding door, the operating portion is not exposed on the surface side of the sliding door.
The operability of the operation unit can be ensured while improving the appearance productiveness.

In addition, by mounting the slider on the casing so that the position of the sliding door can be adjusted in the thickness direction of the sliding door independently of the vertical position adjustment, the position of the sliding door in the thickness direction with respect to the guide rail is different from the adjustment of the opening / closing resistance. For example, in the case of sliding doors, it is possible to prevent interference between sliding doors and to provide appropriate opening and closing resistance to each sliding door.

[0009]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 17 show a slider device 1 for a sliding door according to an embodiment of the present invention and components thereof.

The apparatus 1 is mounted on an upper edge of a flat sliding door 2, and an upper end of the sliding door 2 is provided on a lower surface of an upper edge 6 such as a doorway of a building or an opening of furniture. It is set in four. At the center in the width direction of the guide rail 4, an upwardly concave groove 4a is formed.
Slider 5 that slides in the groove 4a along the longitudinal direction
Are provided in the device 1. In addition, the guide rails 4 are formed in two rows side by side, and the sliding doors 2 are respectively guided and held to form sliding doors. The width of the sliding door receiver of the guide rail 4 is formed larger than the thickness of the sliding door 2 so that the position of the sliding door 2 can be adjusted in the thickness direction.
The width of the groove 4a is substantially the same as the thickness of the slider 5 in order to prevent the sliding door 2 from rattling.

The slider device 1 has a casing 8 which is fitted into a notch-shaped concave portion 7 at the center in the thickness direction of the upper edge (corner) of the sliding door 2. As shown in FIGS. 3 to 5, the casing 8 has a substantially rectangular shape in a front view, and has an uneven portion 9 formed on a lower surface. On the bottom surface of the concave portion 7 of the sliding door 2, an uneven portion (not shown) adapted to the uneven portion 9 of the casing 8 is formed. The gap can be prevented. The casing 8 is concealed by the left and right side walls 2 a of the recess 7 while being fitted in the recess 7, so that it cannot be seen from the front side and the back side of the sliding door 2.

As shown in FIG. 6, the casing 8 is formed with a screw insertion hole 10 that penetrates the casing 8 in the opening and closing direction of the sliding door. The casing 8 is attached and fixed to the sliding door 2 by screwing into the sliding door 2. In the casing 8 of the illustrated embodiment, the screw insertion hole 10 is provided at the lower part of the casing 8, the axis of the screw insertion hole 10 is directed in the opening and closing direction of the sliding door 2, and the screw insertion hole 10 is formed from the side end face side of the sliding door 2. Can be screwed into the sliding door 2, and the screw 11 prevents vertical displacement of the casing 8 with respect to the sliding door 2.

The slider 5 is mounted on the casing 8 so that the position in the vertical direction can be adjusted and the position in the thickness direction of the sliding door 2 can be adjusted.
Is open on the side (upper side in the illustrated example) opposite to, and the slider 5 protrudes from the opening. In the illustrated embodiment, the bracket 13 is attached to the support shaft 12 in the thickness direction provided on the upper part of the casing 8 so as to be movable in the axial direction (thickness direction) and to be rotatable around the axis of the support shaft 12. The slider 5 is fixedly attached to the bracket 13,
As the slider 5 swings around the support shaft 12, the upper part of the slider 5 is vertically adjusted between the raised position shown in FIG. 8 and the lowered position shown in FIG. ing.

Although various configurations can be adopted for the operation portion for adjusting the vertical position of the slider 5, in the illustrated embodiment, the casing 8 is provided below the slider 5.
A screw shaft 14 orthogonal to the support shaft 12 in a plan view is provided in the inside thereof so as to be rotatable from the side end surface side of the casing 8, and an adjustment block 15 which is screwed in the axial direction by rotation of the screw shaft 14. By screwing the adjustment block 15 into a concave portion 16 formed in the lower portion of the bracket 13, the head 17 of the screw shaft 14 serving as an operation portion is rotated, whereby the slider 5 is moved together with the bracket 13.
Is pivoted around the support shaft 12 to adjust the vertical position of the upper end of the slider 5. 6 and 7, the screw shaft 14 is mounted in the casing 8 through an opening 25 formed in a front side wall of the casing 8, and is rotatable by a lid 26 attached to the opening 25. Is held in.

In the casing 2, there is provided an adjusting body 18 capable of adjusting the movement in the thickness direction. This adjustment body 1
Reference numeral 8 denotes a guide pin 20 inserted through a long hole 19 in the thickness direction formed on a side end surface of the casing 8, and an engaging portion that engages with a groove 21 formed on the inner surface side of the casing 8 and extending in the thickness direction. 22 and a rack 25 which engages with a pinion 24 held in a pinion holding hole 23 formed in the end face on the casing 8 side.
The adjustment body 18 can be moved and adjusted in the thickness direction by rotating the pinion 24. The adjusting body 18 is engaged with the bracket 13 so as to be integrally moved in the thickness direction. Thus, by rotating the pinion (operation unit) 24, as shown in FIG. The position of the slider 5 is adjusted in the thickness direction of the sliding door independently of the adjustment.

Incidentally, as shown in FIG.
Serrations that engage with each other are formed on respective opposing surfaces of the inner surface of the casing 8 and the casing 8.
In addition to preventing rattling in the thickness direction, good operability for each fine pitch is ensured.

As shown in FIGS. 13 to 16, the slider 5 is composed of an upper block 51 protruding above the casing 8 and engaging with the guide rail 4, and a lower block 52 housed in the casing 8. It is configured. The lower block 52 is connected to the upper block 51 via the step 53.
The bracket 13 is fitted to the lower block 52, and the upper end of the bracket 13 contacts the step 53. A vertically elastically deformable catch member 30 attached to the guide rail 4 engages with the upper surface of the upper block 51 on the side horizontally separated from the support shaft 12 by opening and closing the sliding door 2. An engagement portion 31 is provided. The engaging portion 31 is an arc-shaped concave portion, and is configured so that a catch member 30 formed of a spring plate that is convex downward in an arc shape can be fitted.

The catch member 30 is attached to the end of the guide rail 4 with a screw 35, and when the sliding door 2 is closed, the catch member 30 engages with the engaging portion 31 of the slider 5 so that the sliding door 2 is accidentally moved. Prevents opening. In the illustrated example, each catch member 30 has two wood screws 35.
And is fixed to the upper surface of the groove 4 of the guide rail 4 by two screw holes 30 formed in the catch member 30.
One of a is formed in a long hole shape so that it can be finely adjusted in the opening and closing direction of the sliding door. Note that a catch member 30 can be attached to a middle portion of the guide rail 4 to prevent accidental opening and closing of the opened sliding door 2.

According to the slider device 1 of the above embodiment, the amount of engagement of the catch member 30 with the engagement portion 31 of the slider 5 can be adjusted by adjusting the vertical position of the slider 5. The opening / closing resistance of the sliding door 2 from a state where accidental opening / closing is prevented by the member 30 can be set to an appropriate value. Such adjustment work can be easily performed by rotating the operation unit 17 with a tool 36 such as a screwdriver from the side end surface side of the sliding door 2, as shown in FIG. However, when the sliding door 2 is closed, the side end surface of the sliding door 2 is hidden and cannot be seen, so that the appearance is good. The vertical adjustment amount of the slider 5 is 3 mm upward and 2 m downward from the neutral position.
m is preferable.

Also, especially in the case of a sliding door, the sliding doors may interfere with each other due to an installation error or the like. The position of the sliding door 2 in the thickness direction can be adjusted, and interference between the sliding doors can be easily eliminated. As shown in FIG. 11, such adjustment work can be easily performed by rotating the operation unit 24 with a tool 36 such as a screwdriver from the side end surface side of the sliding door 2, and has good visibility at the time of work. However, when the sliding door 2 is closed, the side end surface of the sliding door 2 is hidden and cannot be seen, so that the appearance is good. The amount of adjustment in the thickness direction of the slider 5 is preferably about 2 mm to the left and right from the neutral position.

Further, as described above, since the position adjustment in the thickness direction and the adjustment of the vertical position of the slider 5 can be easily performed independently of each other, provision of an appropriate opening / closing resistance and positioning in the thickness direction (especially, , Prevention of interference in sliding doors)
Since it is a simple device having a small number of components, it is very useful as a slider device for the sliding door 2 while reducing costs and suitable for mass production.

The present invention is not limited to the above-described embodiment, and the design can be changed as appropriate. For example, the slider device 1 may be attached not only to the upper end but also to the lower end of the sliding door 2. In addition, the slider 5 can be configured to include a sliding roller that rolls on the guide rail.

The structures of the engaging portion 31 and the catch member 30 of the slider 5 can be appropriately changed in design.
1 can be formed in an upwardly convex shape, and the catch member 30 can be formed in a concave shape.

[0025]

According to the sliding door slider device of the present invention, by adjusting the position of the slider provided on the casing attached to the sliding door in the vertical direction, the slider is elastically mounted in the vertical direction mounted on the guide rail on which the slider slides. Since the depth at which the deformable catch member engages with the engagement portion of the slider changes, it is possible to adjust the elastic repulsion force of the catch member when trying to open and close the sliding door from such an engaged state, Thereby, appropriate opening / closing resistance of the sliding door can be provided, and it is possible to prevent the sliding door from being opened and closed unexpectedly, and it is possible to make the resistance at the time of the opening / closing operation appropriate.

When an operating portion for adjusting the vertical position of the slider is provided on the casing so that the operating portion can be operated from the side end surface side of the sliding door, the operating portion is not exposed on the surface side of the sliding door, and the appearance and product Can be improved, and the operability of the operation unit can be ensured.

When the slider is mounted on the casing such that the position of the sliding door can be adjusted in the thickness direction of the sliding door independently of the vertical position adjustment, the position of the sliding door in the thickness direction with respect to the guide rail is referred to as the adjustment of the opening / closing resistance. It can be done separately and independently.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a use state of a sliding door slider device according to an embodiment of the present invention.

FIG. 2 is a perspective view showing a state in which the device is attached to a sliding door.

FIG. 3 is a plan view of the same device.

FIG. 4 is a front view of the same device.

FIG. 5 is a bottom view of the same device.

FIG. 6 is a vertical sectional view of the same device.

FIG. 7 is a sectional view taken along line AA of FIG. 6;

FIG. 8 is a longitudinal sectional view of the same device showing a state where the slider is adjusted to an upper limit position.

FIG. 9 is a longitudinal sectional view of the same device, showing a state where the slider is adjusted to a lower limit position.

FIG. 10 is a perspective view showing a vertical position adjustment operation state of the slider.

FIG. 11 is a perspective view showing an operation of adjusting a position of a slider in a thickness direction.

FIGS. 12A and 12B are left side views of the apparatus, in which FIG. 12A shows a state in which the slider is adjusted to the left in the figure, FIG. 12B shows a state in which the slider is adjusted to the neutral position in the thickness direction, and FIG. It shows a state adjusted in the right direction in the figure.

FIG. 13 is an enlarged perspective view of a slider.

14 (a) is a plan view, FIG. 14 (b) is a left side view, FIG. 14 (c) is a front view, FIG. 14 (d) is a right side view, and FIG. 14 (e).
Is a bottom view.

FIG. 15 is a rear view of the slider.

FIG. 16 is a sectional view taken along line BB of FIG. 15;

FIG. 17 shows a catch member, (a) is a plan view,
(B) is a left side view, (c) is a front view, and (d) is a bottom view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Sliding door slider device 2 Sliding door 4 Guide rail 5 Slider 8 Casing 17 Operation part 30 Catch member 31 Engagement part

Claims (3)

[Claims] 1. A slider (5) that slides a guide rail (4) along a longitudinal direction is provided on a casing (8) attached to a sliding door (2) so that the slider (5) can be adjusted vertically. A vertically movable elastically deformable catch member (30) attached to the guide rail (4) comprises a sliding door (2).
A sliding door slider device provided with an engaging portion (31) which is disengageably engaged by opening and closing. 2. A casing (8) provided with an operating portion (17) for adjusting a vertical position of a slider (5) so as to be operated from a side end surface side of a sliding door (2). Item 2. A sliding door slider device according to Item 1. 3. The sliding door according to claim 1, wherein the slider is attached to the casing so as to be adjustable in the thickness direction of the sliding door independently of the vertical position adjustment. 3. The sliding door slider device according to 2.