JPH0446467Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field This invention relates to a door hanging device for a hanging door installed in, for example, a prefabricated refrigerator or a warehouse.

BACKGROUND ART Conventionally, various door hanging devices for this type of hanging door have been known, but the applicant first installed a door wheel and a door hanging rod on the upper edge of the door. proposed a door hanging device that is hung by a pair of mutually independent hanging tools (see Utility Model Application Publication No. 107074/1983).

Problems to be Solved by the Invention However, in the door hanging device proposed in the future, the upper edge of the door is suspended by a separate hanging device, which prevents the door from opening and closing smoothly, and the door wheel rattles, causing noise. The problem was that it was easy to occur.
In addition, since the door wheel and the hanging device with the door hanging rod are independent from each other, especially when the door is fully opened, if one of the hanging devices hits the stopper provided at a predetermined location on the hanger rail, the impact will cause There was a problem that the door hanging rod of the hanging tool was easily bent and deformed.

The purpose of this invention is to solve the above problems and to make it possible to install and remove the door near the front of the refrigerator or warehouse entrance, which is very convenient as there is no need to move the door left or right. With,
The door can be moved smoothly toward the wall in front of the refrigerator or warehouse entrance, and the door can be reliably sealed, and the hook attached to the upper edge of the door will not come off. The door can be opened and closed reliably, and the door hanging rod can be prevented from deforming when the door is opened.It has excellent durability, the door can be opened and closed smoothly, and the noise caused by the door wheel can be reduced. Can be made very small. It is an object of the present invention to provide a door hanging device for a hanging door.

Means for Solving the Problems In order to achieve the above object, this invention has a plurality of door rollers mounted on a hanger rail attached to one door roller connecting member, and a plurality of door rollers having a male threaded portion on the door roller connecting member. A book door hanging rod is fixed in a hanging manner, and an intermediate connecting member is attached to the lower end of each door hanging rod. The center part of the cylindrical member and the round bar-shaped member is provided with a female threaded part extending through it, which is screwed into the male threaded part of the door hanging rod. A roller is fitted and rotatably attached to each joining part, and a hook is attached to the upper edge of the door so as to correspond to the door hanging rod having the intermediate joining member, and the hook is attached to the upper edge of the door. It consists of a horizontal fixed wall part fixed to the front edge of the horizontal fixed wall part, and a swinging vertical wall part which is swingably attached to the front edge of the horizontal fixed wall part via a pivot and has a hook-shaped hook part at the upper end. A notch for releasing the door hanging rod is provided in the vertical wall between the shaped hanging parts, and a nut to prevent the hook from coming off is screwed onto the male threaded part of each door hanging rod. The hook part is hooked from above to the horizontal engagement part of the intermediate connecting member at the lower end of the door hanging rod via a roller, and the middle part of the length of the door hanging rod is inserted into the notch of the hook. The gist is a door hanging device for a hanging door, in which the hook-shaped hook part of the hook is held down from above by a nut on the side of the door hanging rod to prevent the hook from coming off.

Function According to the above-mentioned door hanging device for a hanging door, the female threaded part of the central part of the intermediate connecting member is screwed from below to the male threaded part of each door hanging rod of one door roller connecting member placed on the hanger rail. The amount of screwing is adjusted according to the height at which the door should be installed. Then, the door with the hook attached to its upper edge is lifted up, and the hook-shaped latching portion at the upper end of each hook is engaged with the horizontal engaging portion of the intermediate connecting member from above via a roller. At this time, the door hanging rod escapes into the notch. Thereafter, each hook removal prevention nut is screwed down, and the hook-shaped hook portion of the hook is held down from above by this nut.

Therefore, when installing and removing doors,
Since the intermediate connecting member and the hook only need to be attached and detached,
These operations can be performed near the front of the refrigerator or warehouse entrance, and there is no need to move the door left or right. In addition, rollers are attached to each intermediate connecting member, and the vertical wall part of the hook can swing freely relative to the horizontal fixed wall part, so that the door can be smoothly moved toward the wall in front of the entrance of a refrigerator or warehouse. It can be moved and the opening can therefore be reliably sealed. In addition, the hook-shaped hook portion at the upper end of the hook, which is hooked to the horizontal engaging portion of each intermediate connecting member via a roller, is held down from above by the hook detachment prevention nut on the door hanging rod side. The hook-shaped hook portion at the upper end does not come off from the horizontal engaging portion of the intermediate connecting member, and the door can be opened and closed reliably.

Embodiment Next, an embodiment of this invention will be described based on the drawings.

In this specification, front, back, right and left are based on Figure 1, where the front refers to the front side of the sheet of paper in Figure 1, the rear refers to the back side, the left refers to the left side of the same figure, and the right refers to the right side of the same figure. shall be taken as a thing.

In the drawing, the door hanging device according to this invention has a pair of left and right door wheels 12, 12 mounted on a hanger rail 4 attached to the upper edge of the refrigerator 1 via an L-shaped bracket 3, connected to one door roller. Two door hanging rods 13, 1 are attached to the member 11 and made of bolts to the door roller connecting member 11.
3 is fixed by welding in a hanging shape, and the upper end of the door 2 is suspended from the lower ends of these door hanging rods 13, 13 via an intermediate connecting member 21 and a hook 31.

The door roller connecting rod 11 is made of a square pipe, to which a pair of left and right door rollers 12, 12 are attached by pivots 15, 15, and both ends of each pivot 15 are caulked. In addition, the door roller connecting rod 11 may be made of other materials such as a round pipe or a groove-shaped material.

Further, the intermediate coupling member 21 is made of a round bar-shaped member 25 having horizontal engaging portions 23 and 24 on both left and right sides, and a cylindrical member 26 fitted over the center of the rod-shaped member 25. A female threaded portion 22 is provided in the central portion of the rod-shaped member 25 in a penetrating manner to be screwed into the height-adjusting male threaded portion 14 of the door hanging rod 13. Rollers 27 and 27 are rotatably placed on the left and right horizontal engaging parts 23 and 24, respectively, and an annular groove 2 provided at the outer end of both the horizontal engaging parts 23 and 24
Retaining rings 29, 29 for preventing roller escape are fitted to 8, 28. A hook-off prevention nut 41 is screwed into the male threaded portion 14 of each door hanging rod 13 to hold down the hook-shaped hooking portions 32, 32 hooked onto the horizontal engaging portions 23, 24 from above.

Further, the hook 31 has a swinging vertical wall portion 34 provided with hook-shaped hook portions 32, 32 at the upper end on the front edge of a horizontal fixed wall portion 33 fixed to the upper edge of the door 2.
It is swingably attached via 5. A door hanging bar release notch 36 is provided in the vertical wall portion 34 between the hook-shaped hook portions 32, 32.

A stopper 40 is provided at the right end of the door roller connecting member 11, while a stopper 4 having a cushion member 42 is provided at the right end portion of the hanger rail 4.
3 is attached by bolts 44 and nuts 45.

The door 2 is hung from the hanger rail 4 in the following manner by the door hanging device according to this invention.

First, screw the hook removal prevention nuts 41, 41 screwed onto the male threaded parts 14, 14 of the pair of left and right door hanging rods 13, 13 onto the upper ends of the male threaded parts 14, 14, respectively, and connect the door roller in this state. A pair of left and right door rollers 12, 12 of the member 11 are placed on the hanger rail 4. Then the roller 27,
27 and retaining rings 29, 29 are set, screw each female threaded part 22 of the pair of left and right intermediate connecting members 21, 21 onto the male threaded part 14 of the door hanging rod 13, and adjust the screwing amount according to the height at which the door 2 should be installed. Adjust. And a pair of left and right hooks 31 on the upper edge,
Lift door 2 with 31 attached, and attach each hook 3.
1, the hook-shaped hooking part 32 at the upper end is connected to the horizontal engaging parts 23, 24 of the intermediate connecting member 21 at the lower end of the door hanging rod 13.
from above via rollers 27, 27.
At this time, the middle portion of the length of the door hanging rod 13 is allowed to escape into the notch 36 of the hook 31. Finally, each hook detachment prevention nut 41 is screwed down, and the hook-shaped hooking portions 32, 32 of the hook 31 are held down by the nuts 41 from above.

According to the above-mentioned door hanging device, when attaching and detaching the door 2, it is only necessary to attach and detach the intermediate connecting members 21, 21 and the hooks 31, 31, so these operations can be carried out at the front of the refrigerator 1's opening. This can be done nearby, and there is no need to move the door 2 from side to side.

Further, rollers 27, 27 are attached to each intermediate connecting member 21, and the vertical wall portion 34 of the hook 31 is made swingable with respect to the horizontal fixed wall portion 33, so that the front side of the opening 5 of the refrigerator 1 can be The door 2 can be smoothly moved toward the wall surface, and the store entrance 5 can therefore be reliably sealed.

Effects of the invention As described above, in the door hanging device for a hanging door of this invention, a plurality of door rollers placed on a hanger rail are attached to one door roller connecting member, and this door roller connecting member has a plurality of male threaded parts. A book door hanging rod is fixed in a hanging manner, and an intermediate connecting member is attached to the lower end of each door hanging rod. The center part of the cylindrical member and the round bar-shaped member is provided with a female threaded part extending through it, which is screwed into the male threaded part of the door hanging rod. A roller is fitted and rotatably attached to each joining part, and a hook is attached to the upper edge of the door so as to correspond to the door hanging rod having the intermediate joining member, and the hook is attached to the upper edge of the door. It consists of a horizontal fixed wall part fixed to the front edge of the horizontal fixed wall part, and a swinging vertical wall part which is swingably attached to the front edge of the horizontal fixed wall part via a pivot and has a hook-shaped hook part at the upper end. A notch for releasing the door hanging rod is provided in the vertical wall between the shaped hanging parts, and a nut to prevent the hook from coming off is screwed onto the male threaded part of each door hanging rod. The hook part is hooked from above to the horizontal engagement part of the intermediate connecting member at the lower end of the door hanging rod via a roller, and the middle part of the length of the door hanging rod is inserted into the notch of the hook. Fitted into the
The hook-shaped hook part of the hook is held down from above by a nut on the door hanging rod to prevent the hook from coming off, and when installing or removing the door, the intermediate connecting member and the hook must be attached and removed. This allows these operations to be performed near the front of the refrigerator or warehouse entrance, and there is no need to move the door left or right.

In addition, rollers are attached to each intermediate connecting member, and the vertical wall part of the hook can swing freely relative to the horizontal fixed wall part, so that the door can be smoothly moved toward the wall in front of the entrance of a refrigerator or warehouse. It can be moved and the opening can therefore be reliably sealed.

In addition, a plurality of door hanging rods are fixed in a hanging manner to one door wheel connecting member, and the upper end of the door is suspended from the lower end of these door hanging rods via an intermediate connecting member and a hook. Therefore, when the door is opened and the right end of the door wheel connecting member hits the stopper, the impact force acts equally on the multiple door hanging rods, thus preventing deformation of the door hanging rods. It can be prevented and has excellent durability.

Furthermore, since a plurality of door wheels are attached to one door roller connecting member, rattling of the door roller can be prevented, the door can be opened and closed smoothly, and the noise caused by the door roller is extremely small.

Furthermore, the hook-shaped hook portion at the upper end of the hook, which is hooked to the horizontal engaging portion of each intermediate connecting member via a roller, is held down from above by the hook release prevention nut on the door hanging rod side. The hook-shaped hook portion at the upper end does not come off from the horizontal engaging portion of the intermediate connecting member, and the door can be opened and closed reliably.

[Brief explanation of drawings]

The drawings show an embodiment of this invention; Fig. 1 is a partially cutaway front view of a refrigerator equipped with a door hanging device, and Fig. 2 is a partially omitted vertical sectional view of the refrigerator's opening. , FIG. 3 is an enlarged exploded perspective view of the product of the present invention. 1... Refrigerator, 2... Door, 4... Hanger rail, 11... Door roller connecting member, 12... Door roller, 1
3...Door hanging rod, 14...Male threaded part for height adjustment, 21...Intermediate connecting member, 22...Female threaded part,
23, 24...Both left and right horizontal engaging parts, 25...Round bar-shaped member, 26...Cylindrical member, 27...Roller, 3
DESCRIPTION OF SYMBOLS 1... Hook, 32... Hook-shaped hanging part, 33... Horizontal fixed wall part, 34... Swinging vertical wall part, 35... Pivot, 36... Door hanging bar release notch, 41... …
A nut to prevent the hook from coming off.

Claims (1)

[Scope of utility model registration request] A plurality of door rollers 12, 12 placed on the hanger rail 4 are attached to one door roller connecting member 11, and a plurality of door hanging rods 13, 13 each having a male threaded portion 14 are suspended from the door roller connecting member 11. An intermediate connecting member 21 is attached to the lower end of each door hanging rod 13, and the intermediate connecting member 21 is fitted into a round bar-shaped member 25 having horizontal engaging portions 23 and 24 on both left and right sides, and the center portion thereof. The external threaded portion 1 of the door hanging rod 13 is connected to the central portion of the cylindrical member 26 and the round bar-shaped member 25.
A female screw part 22 to be screwed into the door 2 is provided in a penetrating manner, and rollers 27 and 27 are fitted and rotatably attached to the left and right horizontal engaging parts 23 and 24, respectively, and a hook is attached to the upper edge of the door 2. 31 is attached so as to correspond to the door hanging rod 13 having the intermediate connecting member 21, and the hook 31 is attached to the horizontal fixed wall part 33 fixed to the upper edge of the door 2 and the front side of the horizontal fixed wall part 33. It is swingably attached to the edge via a pivot 35 and has a hook-shaped hook 3 at the upper end.
2, 32 and a swinging vertical wall portion 34,
The vertical wall portion 34 is located between the hook-shaped hook portions 32, 32.
A notch 36 for releasing the door hanging rod is provided, and a nut 41 for preventing the hook from coming off is screwed into the male threaded portion 14 of each door hanging rod 13, and a hook-shaped hook portion of each hook 31 on the upper edge of the door 2 is screwed together. 32, 32 are hooked from above to the horizontal engaging portions 23, 24 of the intermediate coupling member 21 at the lower end of the door hanging rod 13 via rollers 27, 27, and are attached to the notch 3 of the hook 31.
The middle part of the length of the door hanging rod 13 is fitted into the inside of the door hanging rod 13, and the hook-shaped hook portions 32, 32 of the hook 31 are held down from above by the hook removal prevention nut 41 on the door hanging rod 13 side. Door hanging device for hanging doors.