JP2607366Y2 - Folding door support device - Google Patents

Description

[Detailed description of the invention]

[0001]

The present invention relates to a folding door support in which a door panel is supported by upper and lower runners, and a runner base of each runner is inserted and fixed in a mounting hole provided in a side end surface of the door panel. Related to the device.

[0002]

2. Description of the Related Art As this kind of prior art, Japanese Utility Model Publication No. 62-1
No. 0384 is known, and a folding door in which the runner mounting structure is further developed and improved is known from Japanese Utility Model Laid-Open No. 2-20673. In this case, a holding case is pre-assembled and fixed to a mounting hole provided in a door panel, a runner base of a runner assembled to a rail is inserted into the holding case, and then the runner base is fastened and fixed to the door panel with a screw.

[0003]

According to the above-mentioned runner mounting structure, the holding case is fixed to the door panel, the upper and lower rails loaded with the runner are fixed to the opening frame, and then the runner is fixed to the holding case. The door panel can be hung by insertion. In other words, there is no need to cut off a part of the upper rail to provide a hanging opening, and the hanging operation can be simplified as compared with the conventional folding door. The problem is that there is a tongue for retaining in the built-in opening of the holding case, so after inserting the runner base into the holding case by going around the tongue, move the runner base up and down inside the mounting hole. It is necessary to fix the runner base with screws, and it takes time to fix the runner and the door panel.

[0004] After the runner and the door panel are integrated, the hanging height of the door panel is adjusted, but there is a disadvantage that it is difficult to make this adjustment. An adjustment shaft is provided between the runner base and the runner body.When adjusting the suspension height, adjust the adjustment shaft or the adjustment nut screwed into it in the narrow space between the door panel and the rail. Because it must be.

An object of the present invention is to provide a folding door support device that can easily perform a series of operations from hanging of a door panel to adjustment of a hanging height with a small amount of labor. Another object of the present invention is to provide a folding door support device that allows a runner fixed to a door panel to be easily removed as needed.

[0006]

According to the present invention, there is provided a folding door support device in which a runner base 12 is inserted into and fixed to a mounting hole 31 of a door panel 2, and the runner base 12 is captured inside the mounting hole 31. The holding case 32 to be engaged is fixed. An engaging groove 36 opening toward the side opening of the mounting hole 31 is formed in the opposing wall of the holding case 32.
Is provided adjacent to the runner table 12,
The lock claw 24 at the tip moves up and down and rides on the engagement guide surface 37.
Lock arm 23 that falls over and engages with engagement groove 36
And the lock claw 24 engages the lock arm 23 with the engagement groove 36.
And a spring 27 that urges to move in a direction to maintain
Be equipped, in the interior of the runner block 12 of the upper runner 4, a swing arm 39 for vertically operating the runner shaft 13,
An adjusting screw 41 that engages with a female screw body 40 provided at one end of the oscillating arm 39 to swing the oscillating arm 39 is incorporated. An operation head 41 a of the adjusting screw 41 is attached to a side end surface of the runner base 12. Characterized in that they are arranged facing. Specifically, a lever 25 for releasing the lock arm 23 against the spring 27 is provided on the side end surface of the runner base 12, and the upper end of the lever 25 faces the upper opening surface of the mounting hole 31.

[0007]

When the door panel 2 is suspended, the holding case 32 is fitted into the mounting hole 31 and fixed with screws 33 or the like. The upper and lower runners 4 and 6 are loaded on the upper rail 3 and the lower rail 5, respectively. When the runner base 12 is inserted into the holding case 32 in the mounting hole 31, the lock arm 23 is locked .
The hook pawl 24 comes into contact with the engagement guide surface 37, rides over the engagement guide surface 37 against the spring 27, and falls into and engages with the engagement groove 36. That is, only by inserting the runner base 12 relatively into the mounting hole 31, the runner base 12 is captured and engaged with the holding case 32, and can be fixed so as not to come off. Adjustment of the suspension height is performed with an adjustment screw 41 incorporated in the runner base 12. At this time, the operation head 4 of the adjustment screw 41
Since 1a faces the side end surface of the runner base 12, the suspension height can be adjusted by operating the adjustment screw 41 from the open surface side of the door panel 2. If a lever 25 for releasing the lock arm 23 is provided, the upper and lower runners 4.6 can be separated from the door panel 2 simply by operating the lever 25 and pulling out the runner base 12 from the mounting hole 31.

[0008]

According to the folding door support device of the invention,
Only by relatively inserting the holding case 32 pre-assembled into the door panel 2 and the upper and lower runners 4.6 loaded into the upper and lower rails 3.5, the upper and lower runners 4.6 can be connected to the door panel 2 with one touch. Can be inserted and fixed. In addition, it is possible to easily and quickly adjust the suspension height, which is indispensable after the suspension, on the open side end surface of the door panel 2. Can be easily performed with less labor, and the cost required for folding door construction can be reduced. Runner 4 provided with a lever 25 for releasing lock arm 23 on runner base 12
At 6, the upper and lower runners 4 and 6 can be easily separated from the door panel 2 simply by releasing the lever 25, so that the position of the door panel 2 can be changed or the door panel 2 can be protruded when folded. This is convenient when changing directions.

[0009]

1 to 10 show an embodiment of a supporting device according to the present invention. In FIG. 2, the folding door is constituted by a pair of door panels 2 connected by a hinge as a minimum unit, and each door panel 2 is supported by an upper runner 4 loaded on an upper rail 3 and a lower runner 6 loaded on a lower rail 5. I do.

In FIG. 3, the upper rail 3 is formed in a C-shaped cross section. A concave arc-shaped guide groove 7 is provided on the inner surfaces of a pair of support walls opposed to each other with the rail opening therebetween, and guide ribs are provided on the lower surfaces of both support walls. 8 is protruded. A pair of regulating grooves 9 are provided on the inner surface of the upper wall of the upper rail 3 so as to face the respective guide grooves 7. The restricting groove 9 restricts the upward movement of the roller 15 of the upper runner 4 and restricts the meandering of the roller 15 in cooperation with the guide groove 7. The upper runner 4 includes a runner main body 11 guided by the upper rail 3, a runner base 12 mounted on the door panel 2, and a runner shaft 13 connecting these two vertically.

The runner body 11 includes a traveling block 14 which is a plastic molded product, four rollers 15 disposed in a pair on the left and right sides before and after the traveling block 14, and a shaft 16 for supporting these rollers 15 freely. Consists of On both sides of the lower surface of the running block 14, engagement recesses 17 formed of arc grooves are formed. The engaging recess 17 is provided for catching and engaging the runner main body 11 with a runner stopper 58 described later. The peripheral surface of the roller 15 is formed by an arc surface that comes into surface contact with the guide groove 7. The runner shaft 13 is attached to the center of the traveling block 14 so as to penetrate it vertically. The traveling block 14 and the runner shaft 13 are relatively rotatable. In a state adjacent to the lower surface of the traveling block 14, a regulating roller 18 is fitted around the runner shaft 13 and supported by a retaining ring. The regulating roller 18 contacts one of the pair of guide ribs 8 of the upper rail 3 to receive a lateral load acting on the runner body 11 (see FIG. 3).

In FIG. 4, a runner base 12 is made of an injection-molded plastic block, has a stepped portion 20 along its lower peripheral surface for retaining the runner shaft 12, and a runner shaft 13 is formed by a semicircular bearing 21. Support up and down freely. An upright wall portion 22 thinner than the bearing portion 21 is provided adjacent to the bearing portion 21, and the lock arm 2 is sandwiched between the upright wall portions 22 in the front-rear direction.
3 and is supported so as to be able to swing up and down around a shaft 19. The lock arm 23 is formed by integrally forming a pair of front and rear arms each having a lock claw 24 at the tip and a bifurcated lever 25 connecting both arms.
The lock claw 24 is pressed down and urged through the spring receiving piece 28 by the spring 27 incorporated in the lock 6. In a normal state, in order to make the lever 25 face the side end surface of the runner base 12, a stopper 29 having an upper portion of the lever 25 formed on the upright wall portion 22.
It is received at.

In order to insert and fix the runner base 12 to the door panel 2, an inverted T-shaped mounting hole 31 is formed in an upper portion of a side end surface of the door panel 2, and the holding case 3 is formed in the mounting hole 31.
2 is fitted and fixed with screws 33 (see FIG. 1). The holding case 32 is made of a plastic molded product having a U-shaped cross section, and has upper and lower ends and one side end opened. The runner base 12
A step wall 34 for receiving the step portion 20 is provided, and an engagement groove 36 for catching and engaging the lock arm 23 and an engagement guide surface 37 are formed in each of the pair of front and rear opposing walls. The engagement groove 36 is open in a hook shape toward the side opening, and the engagement guide surface 37 is formed in an upwardly inclined shape toward the middle thereof. The wall thickness between the engagement guide surface 37 and the engagement groove 36 is formed to be thicker than other portions so that the lock claw 24 can be securely engaged with the engagement groove 36.

As shown in FIG. 5, when the runner base 12 is inserted into the mounting hole 31 from the side, the lock claw 24 of the lock arm 23 comes into contact with the engagement guide surface 37 and gradually resists the spring 27. , And gets over the engagement guide surface 37 and falls into the engagement groove 36, where it is captured and engaged. In this state, the step portion 20 of the runner base 12 is received by the step wall 34 of the holding case 32, and the lock claw 24 is further engaged and held by the engagement groove 36 so that the runner base 12 comes out of the mounting hole 31. Therefore, the runner base 12 can be inserted and fixed to the door panel 2 without using screws for fastening. When necessary, the lever 25 is operated sideways to release the engagement between the lock claw 24 and the engagement groove 36, and the entire runner base 12 is pulled out of the holding case 32 while maintaining this state. The runner 4 can be separated from the door panel 2.

In order to adjust the hanging height of the door panel 2,
A suspension height adjustment mechanism is provided inside the upper runner 4.
As shown in FIGS. 6 and 7, the adjusting mechanism includes a swing arm 39 for vertically operating the runner shaft 13 and a swing arm 3.
An adjusting screw 41 which is engaged with a female screw body 40 pivotally supported at the lower end of the shaft 9 to swing the swing arm 39 around a shaft 44;
And a bearing piece 42 that engages and holds the adjusting screw 41 so that it can only rotate. The swing arm 39 has a pair of L-shaped stamped arm walls, and the pair of upper arm portions 39.
The engagement shaft portion 13a provided at the lower portion of the runner shaft 13 is received by the lower surface of the leading end of the shaft a, and the female screw body 40 is supported between the pair of lower arm portions 39b.

The adjusting screw 41 is formed of a countersunk screw, and is disposed laterally with its operating head 41a exposed at the side end surface of the runner base 12. This is because the hanging height can be adjusted on the open side end surface of the door panel 2. When the adjusting screw 41 is rotated, the female screw body 40 moves along the screw axis, the swing arm 39 is swung, and the runner shaft 13 can be moved either up or down by that amount, whereby the suspension height can be reduced. Adjustments can be made. At this time, the loading groove 43 of the bearing piece 42 is formed in a drum shape in order to tilt the adjusting screw 41 up and down following the female screw body 40 which is oscillatingly displaced. Is formed slightly larger.

2 and 3, the lower rail 5 is formed to have a C-shaped cross section, has a pair of receiving walls opposed to each other across the rail opening, and has a guide groove wider than the rail opening on the upper surface of the receiving wall. 46 are provided, and flanges 47 are extended on both sides of the upper end of the rail body. The rail portion below the lower surface of the flange 47 is embedded in the floor frame. The lower runner 6 has a runner main body 48 guided by the lower rail 5, a runner base 12 mounted on the door panel 2, and a runner shaft 49 for connecting the two 12 and 48 vertically.

In FIG. 8, a runner body 48 is formed of a plastic-molded running block 50 which is long on the left and right, and a pair of left and right running blocks 50 arranged before and after the running block 50.
1 comprises four rollers 52 freely rotatably supported,
The engagement recesses 17 are formed on both sides of the upper surface of the traveling block 50. The engagement recesses 17 are provided for the same purpose as the engagement recesses 17 provided in the traveling block 14 of the upper runner 4, and their positions and shapes match. A runner shaft 49 is attached to the center of the traveling block 50 so as to penetrate it vertically. Travel block 50 and runner shaft 49
Are relatively rotatable. The regulating roller 53 is mounted on the runner shaft 49 adjacent to the upper surface of the traveling block 50 (see FIG. 2). The regulating roller 53 comes into contact with one of the side walls of the guide groove 46 of the lower rail 5 and receives a lateral load acting on the runner body 48. A regulating piece 54 for regulating the meandering of the lower runner 6 is provided before and after the left and right ends of the traveling block 50.

In FIG. 2, the runner base 12 used for the lower runner 6 is the same as the runner base 12 of the upper runner 4, and the runner shaft 49 is supported by the bearing 21 so as to be vertically movable. The whole of the runner body 48 is pushed up and urged by a compression coil-shaped spring 55 fitted to the outside. 56 is a spring receiving screw. The only difference between the runner base 12 of the lower runner 6 and the runner base 12 of the upper runner 4 is that a suspension height adjustment mechanism is not provided therein. I do. However, the lower runner 6 fixes the holding case 32 to the mounting hole 31 in the opposite direction to the mounting hole 31 in the case of the upper runner 4, and inserts and fixes the runner base 12 to this.

In FIG. 9 and FIG.
A runner stopper 58 for catching and engaging the upper and lower runner bodies 11, 48 is mounted on one of the rail ends. The runner stopper 58 is used for the upper and lower rails 3.
5, a nut plate 59 and a stopper body 60 for sandwiching the rail wall in and out across the rail opening 5
And a screw 61 for fastening 0. Stopper body 60
Is an injection-molded product, which has a tightening seat 62 for a screw 61, and a stopper claw 63 protruding laterally from the tightening seat 62;
A spring arm 64 protrudes from the outer surface of the stopper claw 63. The protrusion 65 at the tip of the stopper claw 63 is used for the upper and lower traveling blocks 14.
The upper and lower runners 4 and 6 are held and fixed by engaging with the engaging recesses 17 provided in the 50. When the door panel 2 is pulled against the engaging force of the stopper claw 63, the upper and lower runners 4 and 6 can be separated from the runner stopper 58. The spring arm 6 is used to assist the engaging force of the stopper claw 63 at this time.
4 are provided. Note that the runner stopper 58 is not limited to the rail end, and may be provided at the center of the opened folding door.

In the above embodiment, the lever 25 is provided integrally with the lock arm 23. However, it is not necessary.
Can be formed as separate parts. Alternatively, instead of the lever 25, an engagement groove is formed on the outer peripheral surface of the rocking base end of the lock arm 23, and a tool such as a screwdriver is inserted into this groove and engaged to unlock the lock arm 23. . The holding case 32 may be any of a sheet metal press molded product and a plastic molded product. A long groove may be formed in the lower part of the runner shaft 13 in the axial direction, and the upper arm portion 39a of the swing arm may be inserted and engaged in the groove. The operating head 41a of the adjusting screw 41 is
It may be provided at a position deeper inward than the side end face of No. 2.

[Brief description of the drawings]

FIG. 1 is a longitudinal sectional view showing a state where an upper runner and a door panel are separated.

FIG. 2 is a front view of upper and lower runners mounted on a door panel.

FIG. 3 is a side view of upper and lower runners mounted on a door panel.

FIG. 4 is a perspective view of a runner base.

FIG. 5 is a vertical cross-sectional view showing a state where the runner base is being assembled.

FIG. 6 is a vertical sectional front view of the runner base.

FIG. 7 is a perspective view of a suspension height adjusting component.

FIG. 8 is a sectional view taken along line BB in FIG. 3;

FIG. 9 is a perspective view of a runner stopper.

FIG. 10 is a longitudinal sectional view showing a runner stopper.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 Runner main body 12 Runner base 13 Runner shaft 23 Lock arm 25 Lever 27 Spring 31 Mounting hole 32 Holding case 36 Engagement groove 37 Engagement guide surface 39 Swing arm 40 Female screw body 41 Adjustment screw 48 Runner main body

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model 4-1088769 (JP, U) Japanese Utility Model 4-1981 (JP, U) Japanese Utility Model 4-11884 (JP, U) Japanese Utility Model 2- 20673 (JP, U) J. 62-10384 (JP, Y2) (58) Fields investigated (Int. Cl. ⁷ , DB name) E05D 15/26 E05D 15/06 114 E05D 15/06 122 E05D 15 / 06 123

Claims (2)

(57) [Scope of request for utility model registration] 1. A door panel 2, which is connected to bend freely, is supported by upper runners 4 and lower runners 6 loaded on upper and lower rails 3, 5, respectively.・
48, a runner base 12, and runner shafts 13 and 49 connecting the two 11 and 12 respectively. Each of the runner bases 12 is attached to a mounting hole 31 provided in a side end surface of the door panel 2 from the side. A supporting device for a folding door which is inserted and fixed, wherein a holding case 32 for catching and engaging the runner base 12 is fixed inside a mounting hole 31, and is attached to an opposing wall of the holding case 32. and engaging groove 36 which is open toward the side opening of the hole 31, and the engagement guide surface 37 is provided adjacent to the runner block 12, the lock pawl 24 of the tip is moved vertically engaged
It gets over the joint guide surface 37 and falls into the engagement groove 36 to engage.
Lock arm 23 and lock claw 2
4 is moved in a direction to maintain the state in which it is engaged with the engagement groove 36.
And a runner shaft 1 inside the runner base 12 of the upper runner 4.
3 and a female screw member 40 provided at one end of the swing arm 39 to engage the swing arm 3.
9. A folding door support device in which an adjusting screw 41 for swinging the rotary member 9 is incorporated, and an operating head 41a of the adjusting screw 41 is arranged facing the side end surface of the runner base 12. 2. A lever 25 for releasing the lock arm 23 against the spring 27 is provided on a side end surface of the runner base 12, and an upper end of the lever 25 faces an upper opening surface of the mounting hole 31. The folding door support device according to claim 1.