JPH07612Y2 - Door hinge structure - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door hinge structure, and more particularly, to a door hinge structure in which the same parts can be applied to both right and left doors.

[0002]

2. Description of the Related Art Conventionally, door side metal fittings having shaft holes formed at the upper and lower ends of a door are attached, and fixed side metal fittings integrally fixed with pivot shafts which are fitted into the shaft holes of the door side metal fittings from above and below respectively Hinge structures for doors mounted on the top and bottom of one side are known.

Further, a load supporting screw is screwed into the axial center position of the pivot shaft in the lower fixed side metal fitting, the load supporting screw is screwed out downward, the tip thereof is pressed against the floor surface, and the reaction force thereof is applied to the door. It is also known that the load is supported on the floor so that an excessive load does not act on the fixed side metal fitting.

[0004]

However, when the door hinge structure as described above is applied to both the right-opening door and the left-opening door, it is necessary that the upper and lower door fittings and fixed-side fittings are vertically symmetrical. For example, the same parts can be installed by turning them upside down.However, the one with the load support screw screwed on the fixed side metal fitting on the bottom as described above is not symmetrical in the top and bottom. And it is necessary to manufacture the upper and lower fixed side metal fittings for the left opening door,
There was a problem that the cost would increase not only in terms of manufacturing but also in terms of product management. Further, it is conceivable that the upper fixed side metal fitting can also be screwed with the load supporting screw so as to have a vertically symmetrical shape, but there is a problem that the cost becomes high because extra processing is required.

Further, in order to mount the door in the door hinge structure as described above, door side metal fittings are attached to the upper and lower ends of the door, and fixed side metal fittings are attached to support the door side metal fittings at the lower end of the door. , Next, it is necessary to insert the pivot shaft of the upper fixed side metal fitting into the door side metal fitting at the upper end of the door and attach the upper fixed side metal fitting while positioning the door at a predetermined position, which is not good workability. There was a problem.

In view of the above-mentioned conventional problems, the present invention can be applied to a right-opening door and a left-opening door by using the same parts while having a load-supporting screw on the lower fixed side metal fitting, and the workability of installing the door. Also aims to provide a good door hinge structure.

[0007]

SUMMARY OF THE INVENTION According to the present invention, door side metal fittings having shaft holes are attached to the upper and lower ends of a door, and a fixed side fixed to a shaft support fitted in the shaft holes at upper and lower sides of a doorway. In the hinge structure of the door with the metal fittings attached, the upper and lower door-side metal fittings and the fixed-side metal fittings are formed vertically symmetrically, and the upper and lower fixed-side metal fittings are perforated with holes through which the pivots can pass. It is characterized in that a flange is formed at one end of the shaft so as to be screwed to the fixed side metal fitting, and a load supporting screw is screwed at a shaft center position of a lower pivot shaft and a bearing is arranged on the flange.

[0008]

According to the structure of the present invention, when applied to a door that opens oppositely to the right and left, vertically symmetrical door-side metal fittings and fixed-side metal fittings are attached to the upper and lower opposite sides, respectively. By installing the upper pivot shaft and the lower pivot shaft that is screwed with the load support screw to the lower fixed side metal fitting, the same parts can be mounted on the right side while the lower fixed side metal fitting is equipped with the load support screw. Applicable to hinged doors and left doors.

Further, when the door is attached, door side metal fittings are attached to the upper and lower ends of the door respectively, a lower fixed side metal fitting is attached, and a flange of a lower pivot shaft is screwed thereon and a load supporting screw is attached. After screwing it into contact with the floor and attaching the upper fixed side metal fitting, and then supporting the door with the lower fixed side metal fitting, the upper pivot shaft is fixed to the upper fixed metal fitting. Through the hole from above to fit into the shaft hole of the upper door side metal fitting, and finally screw the flange of the upper pivot shaft to the upper fixed side metal fitting. Workability is good because there is no need to install metal fittings.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to FIGS. 1 to 3, reference numeral 1 denotes a door that opens and closes an entrance and exit, and upper and lower door side metal fittings 2 and 3 are arranged at right end portions of an upper end and a lower end thereof, respectively.
These door-side metal fittings 2 and 3 are vertically symmetrically formed. Both door side metal fittings 2 and 3 are composed of a mounting portion 4 for the door 1 and a bearing portion 5 projecting toward the opening side of the door 1 at the right end thereof, and a bearing hole 5 is formed in the bearing portion 5. . The mounting portion 4 is formed with a plurality of long holes 7 having a long groove for accommodating the screw head and a countersunk hole 8 for a countersunk screw. The mounting screw 9 and the countersunk screw 10 for positioning these door side metal fittings. A few are attached to the door 1.

Reference numerals 12 and 13 denote fixed-side metal fittings attached to the upper and lower portions of the right side surface of the entrance / exit, and these fixed-side metal fittings 12 and 13 are vertically symmetrical. Both the fixed side metal fittings 12 and 13 are attached to the side surface of the entrance / exit and a pivot extending from the mounting portion 14 to the bearing portion 5 of the door side metal fittings 2 and 3 in an L shape so as to overlap from the outside in the vertical direction. The support shaft mounting portion 15 is formed, and a hole 16 having a substantially same diameter is formed facing the shaft hole 6. Three mounting screw holes 17 are formed around the hole of the pivot shaft mounting portion 15. Mounting part 14
Is formed with a plurality of holes 18 with a plate for mounting.
The fixed side metal fittings 12 and 13 are attached to the entrance / exit side surface with a flat head screw 19.

Reference numeral 22 is an upper pivot shaft, and 23 is a lower pivot shaft, which is provided with a shaft portion having a shaft diameter which is rotatably fitted in the shaft hole 6, and is attached to the pivot shaft attaching portion 15 at one end thereof. A flange 24 for forming is formed.

In the upper pivot shaft 22, the flange 24 is formed at the upper end, and a hole 25 with a countersink is formed in the upper surface corresponding to the mounting screw hole 17, so that the pivot shaft mounting of the upper fixed side metal fitting 12 is performed. The flange 24 is superposed on the portion 15 and the flat head screw 2
It is configured to be attached at 6.

In the lower pivot shaft 23, the flange 24 is formed at the lower end, and a hole 27 with a countersink is formed on the upper surface thereof so as to correspond to the mounting screw hole 17, so that the lower fixed side metal fitting 12 is pivotally supported. The flange 24 is superposed on the portion 15 and the flat head screw 2
It is configured to be attached at 8. This flange 2
The bearing 21 is arranged on the door 4, and the door 1 is inserted through the bearing 21.
Is configured to support the load. Further, a screw hole 29 is formed in the lower pivot shaft 23 so as to penetrate the axial center position, and the load supporting screw 11 is screwed so as to be able to project downward.

In the above structure, when the door 1 is attached, the door side fittings 2 and 3 are attached to the upper and lower ends of the door 1, respectively. Next, the lower fixed side metal fitting 13 is attached to a predetermined position on the lower side of the entrance / exit side surface, the lower pivot shaft 23 is arranged thereon, and the flange 24 thereof is fixed with a countersunk screw 28 and a load is applied to the screw hole 29. The support screw 11 is screwed to bring its tip into contact with the floor surface, and the bearing 21 is arranged on the flange 24. Further, the upper fixed side metal fitting 12 is also attached at a predetermined position on the upper side of the entrance / exit side surface.

Next, the shaft hole 6 of the door side metal fitting 3 at the lower end of the door 1
The lower pivotal shaft 23 of the lower fixed side metal fitting 13 is fitted into the lower side of the door 1 and the door 1 is mounted on the lower fixed side metal fitting 1 through the bearing 21
3, and then the shaft hole 6 of the door side metal fitting 2 at the upper end of the door 1 is opposed to the hole 16 in the upper fixed side metal fitting 12,
The upper pivot shaft 22 is inserted into the shaft hole 6 of the upper door-side metal fitting 2 from above the upper fixed-side metal fitting 12 through the hole 16 thereof, and finally the flange 24 of the upper pivot shaft 22 is fixed to the upper part. It may be fixed to the fixed side metal fitting 12 with a flat head screw 26.

Thus, according to the present embodiment, the upper fixed side metal fitting 1 is positioned while the door 1 is positioned and held as in the conventional case.
Workability is good because there is no need to install 2. Also, FIG.
Then, the case of pivoting the right side of the door 1 was illustrated, but
Even when the left side of the door 1 is pivotally supported, vertically symmetrical door-side metal fittings 2 and 3 and fixed-side metal fittings 12 and 13 are attached on the opposite sides, and the upper fixed-metal fitting 1 in that state is mounted.
3, the upper pivot shaft 22 is screwed to the lower fixed side metal fitting 12 in the same state, the load support screw 11 is screwed, and the lower pivot shaft 23 in which the bearing 21 is arranged is attached, respectively. The parts can be used to mount the door. Thus, it is possible to apply the same parts to a right-opening door and a left-opening door, even though the lower fixed-side metal fitting has the hinge structure having the load supporting screw 11.

[0018]

According to the door hinge structure of the present invention, when it is applied to a door which is opened oppositely to the left and right as described above, a vertically symmetrical symmetric door side metal fitting and a fixed side metal fitting are attached to the upper and lower opposite sides, respectively. In that state, the upper fixed shaft can be attached to the upper fixed shaft, and the lower fixed shaft to which the load support screw is screwed can be attached to the lower fixed shaft. It can be applied to the right-opening door and the left-opening door with the same part while having the support screw. or,
Even when installing the door, attach the metal fittings on the door side and the metal fittings on the fixed side, attach the lower pivot shaft to the metal fittings on the lower part, then support the door with the metal fittings on the lower part, and then pivot the upper shaft. Can be inserted into the shaft hole of the upper door-side metal fitting from above the upper fixed-side metal fitting and screwed in.Since there is no need to mount the fixed-side metal fitting while positioning the door, workability is also great. Be effective.

[Brief description of drawings]

FIG. 1 is a partial sectional front view showing a schematic configuration of an embodiment of a door hinge structure of the present invention.

FIG. 2 is an exploded perspective view of an upper hinge portion of the embodiment.

FIG. 3 is an exploded perspective view of a lower hinge portion of the embodiment.

[Explanation of symbols]

 1 Door 2 Upper door side metal fitting 3 Lower door side metal fitting 6 Shaft hole 11 Load support screw 12 Upper fixed side metal fitting 13 Lower fixed side metal fitting 16 Hole 21 Bearing 22 Upper pivot shaft 23 Lower pivot shaft 24 Flange

Claims (1)

[Scope of utility model registration request] 1. A door hinge structure in which door-side metal fittings having shaft holes are attached to upper and lower ends of the door, and fixed-side metal fittings fixed to pivot shafts to be fitted into the shaft holes are attached to upper and lower sides of a doorway. In the above, the upper and lower door side metal fittings and the fixed side metal fittings are formed vertically symmetrically, and holes are formed in the upper and lower fixed metal fittings so that the pivot shaft can pass through. A hinge structure for a door, which is characterized in that a flange for screwing is formed, a load supporting screw is screwed at a shaft center position in a lower pivot shaft, and a bearing is arranged on the flange.