JPH0634538Y2 - Support structure for door pivot - Google Patents

Description

TECHNICAL FIELD The present invention relates to a support structure for a pivot of a door, and more particularly to a technique for stably supporting the pivot.

BACKGROUND ART Conventionally, as shown in FIG. 8, in order to rotatably mount a rotary shaft 13 on a lower end of a door main body 2, the rotary shaft 13 is guided by a support fitting 54 attached to the door main body. Rotating shaft with pipe P attached
Although it is configured to rotatably support 13, the center of the guide pipe P easily tilts, which makes it difficult to stably and rotatably support the rotating shaft.

[Object of the Invention] The present invention has been made in view of the above problems,
The purpose of this is that the rational structure of the support metal fitting enables reliable centering of the pipe without using a pipe, and stable rotation of the rotation shaft. It is to provide a support structure for a pivot shaft of a door.

DISCLOSURE OF THE INVENTION The support structure for the pivoting shaft of the door of the present invention is composed of an upper horizontal piece 54a, an upper vertical piece (a) bent downward from the outer end of the upper horizontal piece (54a), and an upper vertical piece (a). A middle horizontal piece 54b bent inwardly from the lower end, a lower vertical piece b bent downward from the inner end of the middle horizontal piece 54b and hanging downward from the lower end surface of the door body 2, and below The lower horizontal piece 54c that bends outward from the lower end of the vertical piece b forms a substantially S-shaped support fitting 54, and the upper horizontal piece of the support fitting 54 is formed.
An upper end vertical piece c which is bent upward on the side opposite to the upper vertical piece a of 54a is fixed to the side end of the door body 2, and a horizontal piece d of the connecting metal fitting 41 fixed to the lower end surface of the door body 2 is fixed. The vertical piece 42 bent downward from the outer end and the lower vertical piece b of the support metal fitting 54 are fixedly coupled to each other,
The slider 12 and the support fitting 54 provided near the lower end of the rotating shaft 13
The spring 31 interposed between the lower horizontal piece 54c and the lower horizontal piece 54c.
It is characterized in that it is fitted in the above-mentioned structure, and the above-mentioned object is achieved by such a structure. That is, the end face 2a of the door body 2 has a substantially S-shaped support fitting 54
The upper and lower end portions of the upper and lower end pieces are attached by a mounting tool 43 such as a screw, and the upper horizontal piece 54a, the middle horizontal piece 54b and the lower horizontal piece 54a of the substantially S-shaped support fitting 54 are attached.
By forming through holes 47 in each of 54c and rotatably supporting the rotary shaft 13 in these through holes 47, one plate member is bent into a substantially S-shape to form the support fitting 54. You don't have to use pipe material like before,
Upper horizontal piece 54a, middle horizontal piece 54b, which is a supporting metal piece 54 bent in a substantially S shape.
The rotary shaft 13 can be stably and rotatably supported by inserting the rotary shaft 13 into the through holes 47 ... In each of the lower horizontal pieces 54c.

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

Two upper rails with an inverted U-shaped cross section with an open bottom 1,1
And two lower rails that are laid below this and have a substantially U-shaped cross section
The two door bodies 2,2 along 8,8 are the vertical runners 3a, 3 on the door end side.
It is configured so that it can travel freely via b and the upper and lower traveling tools 9a and 9b at the rear. Specifically, a disc-shaped upper traveling tool 3a is integrally attached to the door body 2 via the mounting shaft 10 at the upper end of the door body 2 on the door tip side. 3a is mounted on the laying surface 11 of the upper rail 1. A sub-runner 15 is rotatably attached to a rear upper end of the door main body 2 via a runner shaft 14, and the sub-runner 15 is mounted on a mounting surface 11 of the upper rail 1 so that the door main body 2 is mounted on the upper rail 1. It is suspended so that it can run freely. The sub-runner 15 is the running tool 9b.

In the lower part of the door body 2, a floor-contacting member 16 is provided so as to be vertically movable over substantially the entire length of the door body 2. As the floor contact member 16, a hollow box body 21 having a U-shaped cross section is arranged at the lower end of the panelized door body 2 so as to be able to move up and down, and a flexible member 22 such as a mohair is attached to the lower surface of the box body 21. is there. On the rear end side of the floor contact member 16,
The operating shaft 23 is integrally attached to the box body 21, and the operating shaft 23 is spring-loaded.
When the operation knob 19 is integrally attached to the operation shaft 23 and the operation knob 19 is held and pulled up within the range of the long hole 25, the notch 26 formed at the upper end of the operation shaft 23 is ejected downward at 24. A lock spring 27 made of a spring plate is inserted, holds the operation shaft 23 pulled up against the spring 24, and holds the raised position of the floor-contacting member 16. Then, when the operation knob 19 is lowered to unlock the lock spring 27, the operation shaft 23 is lowered to obtain the floor contact state of the floor contact member 16. Such raising and lowering of the floor-contacting member 16 is performed only on the side of the operation shaft 23, and the floor-contacting member 16 is lifted in an oblique posture in which the rear end side is largely floated up as shown in FIG. A slider 17 is provided so as to project from the lower rear end of the floor contact member 16, and the slider 17 is slidably inserted in the lower rail 8. The slider 17 is inserted into the lower rail 8 while the floor-contacting member 16 is lowered, so that smooth running is possible.

A slider as a lower traveling tool 3b is provided at the lower end of the door body 2 on the door tip side.
A rotating shaft 13 provided with 12 is provided downward by urging it with a spring 31,
The rotation shaft 13 can be rotated with respect to the support fitting 54 and can be raised and lowered by a guide. The slider 12 is slidably inserted into the lower rail 8. Then floor contact member 16
Is raised, and the door main body 2 is supported by the upper traveling tool 3a inserted into the upper rail 1 and the slider 12 inserted into the lower rail 8, and the mounting shaft 10 and the rotating shaft 13 are supported. The door body 2 can be opened and rotated. Such opening and pivoting of the door body 2 causes the rod-shaped held body 6 integrally provided on the upper surface of the upper traveling tool 3a to be C-shaped at the traveling end position of the door body 2 by the catch 28 having a substantially C-shape. The catch 28 is held in the form of a tension rod inside the catch 28, and is performed in such a holding state.

Thus, by providing the floor-contacting member 16 capable of contacting the floor surface at the lower end portion of the door body 2 so as to be lifted and lowered, the door body 2
When the door is opened and rotated, the floor-contacting member 16 is raised to perform the opening-rotating so as not to damage the floor surface, and the door-main body 2 is projected downward to the floor-contacting member 16 on the front end side of the opening and rotating. By providing a slider 17 that is slidably inserted into the lower rail 8, the slider 17 is inserted into the lower rail 8 and the door body 2
To run smoothly.

The support structure of the rotating shaft 13 will be described in detail. As shown in FIG.
An upper end portion of a substantially S-shaped support metal fitting 54 is attached to an end surface 2a of the door body 2 by a mounting tool 43 such as a screw. An L-shaped connection fitting 41 is attached to the lower surface of the door body 2 by a mounting tool 43 such as a screw. The lower end portion of the support fitting 54 is connected to the vertical piece 43 of the connection fitting 41 by the rivet 44. Substantially S-shaped support bracket
The upper horizontal piece 54a, the middle horizontal piece 54b, and the lower horizontal piece 54c are each formed to be substantially horizontal. And a substantially S-shaped support fitting
The upper horizontal piece 54a, the middle horizontal piece 54b, and the lower horizontal piece 54c each have a through hole 4
7 ... has been formed. The rotary shaft 13 is rotatably inserted and supported in these through holes 47.

As described above, the end surface 2a of the door body 2 has a substantially S-shaped support fitting 54.
The upper and lower end portions of the upper and lower end pieces are attached by a mounting tool 43 such as a screw, and the upper horizontal piece 54a, the middle horizontal piece 54b and the lower horizontal piece 54a of the substantially S-shaped support fitting 54 are attached.
By forming through-holes 47 in each of 54c and rotatably supporting the rotary shaft 13 in these through-holes 47, one plate member is bent into a substantially S-shape to form the support fitting 54. By rotating the rotary shaft 13 through the through holes 47 ... through the upper horizontal piece 54a, the middle horizontal piece 54b, and the lower horizontal piece 54c of the support fitting 54 bent in a substantially S shape, the rotation shaft 13 is rotated. The moving shaft 13 is stably and rotatably supported.
In other words, the upper horizontal piece 54a, the upper vertical piece a bent downward from the outer end of the upper horizontal piece 54a, and the middle horizontal piece 54b bent inward from the lower end of the upper vertical piece a, A lower vertical piece b bent downward from the inner end of the middle horizontal piece 54b and hanging downward from the lower end surface of the door body 2, and a lower horizontal piece bent outward from the lower end of the lower vertical piece b. Together with the piece 54c, a substantially S-shaped support fitting 54 is formed. Then, the upper horizontal piece 54a of the support fitting 54
An upper end vertical piece c which is bent upward on the side opposite to the upper vertical piece a is fixed to the side end of the door body 2, and the outside of the horizontal piece d of the connection fitting 41 fixed to the lower end surface of the door body 2. The vertical piece 42 bent downward from the end is fixedly coupled to the lower vertical piece B of the support fitting 54, and the slider 12 and the lower horizontal piece 54c of the support fitting 54 provided near the lower end of the rotary shaft 13 are fixed. A spring 31 interposed between and is fitted to the rotating shaft 13.

The diameter of the through hole 47 of the support fitting 54 is 8φ for the rotary shaft 13.
If the diameter is 8 mm, the through hole 47 of the upper horizontal piece 54a should be 8.3
φ, the through hole 47 of the middle horizontal piece 54b is 9.0φ, and the through hole 47 of the lower horizontal piece 54c is an elliptical hole. Further, a cap 45 is fitted and closed at the end opening of the box body 21 constituting the floor-contacting member 16.

[Effects of the Invention] The present invention is configured as described above and has the following effects. That is, the rotation shaft is rotatably inserted into the through holes of the upper horizontal piece and the lower horizontal piece of the support metal member formed in a substantially S-shape. Even if it is freely supported and a slider, spring, etc. are provided below and it hangs largely downward from the lower end surface of the door body,
It is surely supported by the lower horizontal piece of the support fitting, and in this case, since the vertical piece of the connecting fitting and the lower vertical piece are fixedly coupled to each other to form a double structure, the rotation shaft is extremely supported. It has the advantage of being strong and not easily damaged.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of the present invention with a part omitted.
FIG. 2 is a cutaway front view showing a rotary shaft support structure of the above, and FIG.
The figure is a side view of the same, with some parts omitted, and FIGS. 4 (a) and 4 (b).
(C) and (d) are front views, side views, plan views, and bottom views of the above-mentioned support metal, and FIGS. 5 (a) and (b) are front views, bottom views, and 6 of the same caps. FIG. 7 is a schematic front view of the operating shaft side, FIG. 7 is a schematic front view of the same rotating shaft side, and FIG. 8 is a front view of a conventional example, in which 2 is a door body, 12 is a slider, and 13 is a slider.
Is a rotating shaft, 31 is a spring, 41 is a connecting metal fitting, 54 is a supporting metal fitting, 54
a is the upper horizontal piece of the support bracket, 54b is the middle horizontal piece of the support bracket, 54c is the lower horizontal piece of the support bracket, b is the upper vertical piece of the support bracket, b is the lower vertical piece of the support bracket, and c is the support bracket's lower vertical piece. A vertical strip at the top.

Claims (1)

[Scope of utility model registration request] 1. An upper horizontal piece, an upper vertical piece bent downward from an outer end of the upper horizontal piece, a middle horizontal piece bent inward from a lower end of the upper vertical piece, and a middle horizontal piece thereof. The lower vertical piece that folds downward from the inner end of the door and hangs downward from the lower end surface of the door body, and the lower horizontal piece that folds outward from the lower end of the lower vertical piece have a substantially S shape. Forming a supporting metal fitting, and fixing an upper end vertical piece that bends upward on the opposite side of the upper vertical piece of the upper metal fitting of the supporting metal fitting to the side end of the door body and fixing it to the lower end surface of the door body. The vertical piece bent downward from the outer end of the horizontal piece of the connecting metal fitting and the lower vertical piece of the supporting metal fitting are fixedly coupled to each other, and the slider provided near the lower end of the rotating shaft and the lower horizontal piece of the supporting metal fitting. A support structure for a pivot of a door, in which a spring interposed between the one and the other piece is fitted to the pivot.