JPH0416867Y2 - - 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.

Conventional technology Conventionally, the door hanging device for this type of hanging door is
There were problems in that the height adjustment amount of the door was small and the number of parts was large, making it difficult to manufacture easily and inexpensively. Therefore, the present applicant first proposed a door hanging device to solve this problem (utility application filed in 1983-
(See No. 200521). In the previously proposed device, a screw was provided on the hook side to serve as a stopper in order to prevent the hook attached to the upper edge of the door from coming off the engagement part of the hanging device. When opening or closing a door, people often forget to install the screw to prevent the hook from coming off, and when the door applies shock to the screw when opening and closing the door, the screw bends and the gap between the tip of the screw and the upper end of the hook is damaged. There was a problem that the gap between the doors was wide and the hook could come off the hanger and cause the door to fall.

Purpose of the invention The purpose of this invention is to solve the above problems and to prevent forgetting to attach the hook and damage by using nuts instead of screws as in the previously proposed invention. This allows you to reliably prevent the hook from coming off.
There is no danger of the door falling, the height adjustment work is easy, the amount of height adjustment is large, and the number of parts is small, making it easy and inexpensive to manufacture. We are trying to provide a lowering device.

Structure of the invention In order to achieve the above-mentioned purpose, this invention is equipped with a door roller that can be placed on a hanger rail, and has a leg part with a male screw part for height adjustment hanging down at the lower end. an intermediate connecting member having a female threaded portion screwed onto the male threaded portion and horizontal engaging portions on both left and right sides of the female threaded portion; A hanging door consisting of a hook having a hook-shaped latching part at the upper end that can be stopped, and a hook-removal prevention nut that holds down the hook-shaped latching part from above, which is screwed onto a male screw part and engaged with a horizontal engaging part. The gist is the door hanging device.

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 2, where the front refers to the front side of the sheet of paper in Figure 2, 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 includes a door wheel 12 that is placed on a hanger rail 4 that is attached to the upper edge of the refrigerator 1's opening via an L-shaped bracket 3, and a male threaded portion for height adjustment at the lower end. An intermediate connection comprising a door hanging moving body 11 in which a leg part 13 with a 14 is provided in a hanging manner, a female threaded part 22 screwed into the male threaded part 14, and horizontal engaging parts 23 and 24 on both left and right sides thereof. a member 21, a hook 31 provided with hook-shaped hooks 32, 32 attached to the upper edge of the door 2 and hooked from above to the horizontal engaging portions 23, 24 of the intermediate connecting member 21; and a male threaded portion 14. It consists of a hook-off prevention nut 41 which is screwed together and holds down the hook-shaped hooking parts 32, 32 which are engaged with the horizontal engaging parts 23, 24 from above.

The door suspension moving body 11 has a cylindrical shape with a bottom, and a pivot shaft 15 of a pair of front and rear door wheels 12, 12 is attached to the door suspension moving body 11.
is attached in a penetrating manner, and both ends are caulked.

Further, the intermediate connecting member 21 has horizontal engaging portions 23 and 24.
It is made up of a round rod-shaped member 25 that constitutes a cylindrical member 25, and a cylindrical member 26 that is fitted over the center of the rod-shaped member 25.
The central portions of the cylindrical member 26 and the round rod-like member 25 and the female threaded portion 22 are provided in a penetrating manner. Rollers 27, 27 are rotatably placed on the left and right horizontal engaging parts 23, 24, respectively, and retaining rings for preventing the rollers from coming off are provided in annular grooves 28, 28 provided at the outer ends of both the horizontal engaging parts 23, 24. 29, 29 are fitted.

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 leg relief notch 36 is provided in the vertical wall portion 34 between the hook-shaped hook portions 32, 32.

Two sets of door hanging devices according to this invention are attached to the left and right sides of the upper edge of the door 2, and the door 2 is hung by these devices.

First, screw the hook detachment prevention nut 41 onto the upper end of the male threaded part 14 of the leg part 13, and in this state, the pair of front and rear door wheels 12 of the door hanging movable body 11 is screwed up.
Place it on hanger rail 4. Next, the male threaded portion 22 of the intermediate connecting member 21, on which the rollers 27, 27 and retaining rings 29, 29 have been set in advance, is attached to the movable body 11.
2. Adjust the amount of screwing in according to the height at which the door 2 should be installed. Door 2 with hook 31 attached to the upper edge
Lift up the hook 31 and attach it to the hook-shaped hook 3 at the top of the hook 31.
2, 32 are the horizontal engaging portions 23 of the intermediate connecting member 21,
24 from above. At this time, the moving body 11
The leg 13 of is allowed to escape into the notch 36. Finally, the nut 41 for preventing the hook from coming off is screwed down, and the hook-shaped hooking portions 32, 32 of the hook 31 are held down by this nut 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 member 21 and the hook 31, so these operations can be performed near the front of the refrigerator 1 entrance. There is no need to shift the door 2 to the left or right.

Further, according to the above embodiment, the rollers 27, 27 are attached to the 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 refrigerator 1 The door 2 can be moved toward the wall surface in front of the store entrance 5, and therefore the store entrance 5 can be reliably sealed. However, if the door 2 does not need to be in close contact with the wall surface at the entrance of a warehouse or the like, for example, the hook 31 itself is fixed to the upper edge of the door 2, and the rollers 27 and 2 are attached to the intermediate connecting member 21.
There is no need to install 7.

Effects of the invention As described above, the door hanging device according to this invention includes a door wheel 12 that is placed on the hanger rail 4, and a leg portion 13 with a male threaded portion 14 for height adjustment is provided in a hanging shape at the lower end. A door hanging movable body 11, a female threaded part 22 screwed into the male threaded part 14, and horizontal engaging parts 2 on both left and right sides thereof.
3 and 24, and hook-shaped hooking parts 32 and 32 attached to the upper edge of the door 2 and hooked from above to the horizontal engaging parts 23 and 24 of the intermediate coupling member 21, respectively. A hook 31 provided in
Hook-shaped hook portions 32 and 3 interlocked with 3 and 24
Nut 41 to prevent the hook from coming off, which holds down 2 from above.
Since the hook removal prevention nut 41 is screwed onto the male threaded part 14 of the leg 13 in advance, there is no need to forget to install the nut 41, and when opening and closing the door 2, 41 will not be damaged at all, so
It is possible to reliably prevent the hook 31 from coming off,
There is no danger of Door 2 falling. Furthermore, the height of the door 2 can be easily adjusted, and the height can be adjusted to a large extent. Furthermore, the number of parts is small, and manufacturing can be done easily and inexpensively. In addition, there are 4 hanger rails and 12 door wheels.
At the same time, in this state, screw up the unhooking prevention nut 41 of the male threaded part 14 and clamp the hanger rail 4 between this nut 41 and the door roller 12, thereby temporarily fixing the door roller 12 to the rail 4. It has the advantage that it can be shipped directly and is very convenient.

[Brief explanation of the drawing]

The drawings show an embodiment of this invention; Fig. 1 is a partially omitted vertical cross-sectional view of the opening of a refrigerator equipped with a door hanging device; Fig. 2 is a partial front view of the refrigerator;
FIG. 3 is an enlarged exploded perspective view of the product of the present invention. DESCRIPTION OF SYMBOLS 1...Refrigerator, 2...Door, 4...Hanger rail, 11...Movable body for hanging the door, 12...Door wheel, 13...Legs, 14...Male threaded part for height adjustment, 21... ...Intermediate connecting member, 22...Female threaded portion,
23, 24...Horizontal engaging portion, 27...Roller, 3
1...Hook, 32...Hook-shaped hook portion, 41...Hook detachment prevention nut.

Claims (1)

[Scope of utility model registration request] A door hanging moving body 11 is provided with a door wheel 12 that is placed on a hanger rail 4, and has a leg portion 13 with a male threaded portion 14 for height adjustment hanging down at the lower end, and a female thread screwed into the male threaded portion 14. portion 22 and horizontal engaging portions 2 on both left and right sides thereof
3 and 24, and hook-shaped hooking parts 32 and 32 attached to the upper edge of the door 2 and hooked from above to the horizontal engaging parts 23 and 24 of the intermediate coupling member 21, respectively. A hook 31 provided in
Hook-shaped hook portions 32 and 3 interlocked with 3 and 24
Nut 41 to prevent the hook from coming off, which holds down 2 from above.
A door hanging device for a hanging door.