JP2588371B2 - Door hinge device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door hinge device for pivotally supporting a door.

[0002]

2. Description of the Related Art Generally, as shown in FIG. 3, a door hinge device is provided with door-side hinge members 25, 26 at the top and bottom of the door.
The door-side hinge members 28 and 29 are attached to the upper and lower edges of the door 27, and the support shafts of the door-side hinge members 25 and 26 are fitted to the bearings of the door-side hinge members 28 and 29. I have.

[0003] Specifically, as shown in FIG.
Door side hinge member 25 fixed to the lower surface of
Has a shaft holding cylinder 33 in a vertical direction on a mounting base 32, and a support shaft 34 is provided in the shaft holding tube 33 so as to be vertically movable, and a tip of the support shaft 34 is attached to a mounting base by a coil spring 35. It protrudes below the member 32. On the other hand, a door side hinge member 28 is screwed on the upper surface of the door 27.
6, and a bearing body 38 is mounted on the mounting base 37. By fitting the support shaft 34 into the bearing body 38, the door 27 is pivotally connected to the support shaft 34 so as to be rotatable. Note that the hinge mechanism below the door 27 is substantially the same as the above-described configuration, and a description thereof will be omitted.

[0004]

Generally, the door 27 has a considerable thickness, and is heavy because of the overall structural members. Therefore, when the bearing body 38 of the door 27 is fitted to the support shaft 34 of the doorway side hinge member 25, one worker supports the door 27, and the other worker positions the bearing body 38 with respect to the support shaft 34. Since the fitting and the fitting work are performed, at least two workers are required, and the fitting work between the support shaft 34 and the bearing body 38 is not easy.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and an object of the present invention is to provide a door hinge device in which even a single worker can easily perform a pivoting operation between a doorway side hinge member and a door side hinge member.

[0006]

In order to achieve the above object, the present invention comprises a door-side hinge member and a door-side hinge member, and one of the door-side hinge member and the door-side hinge member is end-locked by an operating screw. Has a lever that is displaced up and down, and a support shaft whose position is controlled by a first position slightly protruded by the lever and a second position that greatly protrudes, and a lever that engages one end of the lever on the support shaft The engaging recess has play so as to allow the support shaft to move from the first position. The other of the door-side hinge member and the door-side hinge member is provided with a bearing having a shaft hole for fitting the support shaft, and a taper for pushing the support shaft at a distal end shoulder of the bearing body. Configuration.

[0007]

In the above construction, a door is fixed to an upper part of the door on a support shaft of the door-side hinge member fixed to the door-door top portion, wherein a support shaft is provided on the door-side hinge member and a bearing is provided on the door-side hinge member. When the bearing body of the side hinge member is fitted, the support shaft of the doorway side hinge member is controlled in advance to a first position where the lever slightly projects by a lever. When the door is moved in the horizontal direction in this state, the taper of the shoulder of the bearing body of the door side hinge member hits the lower end of the support shaft, and after the support shaft is moved upward, the tip of the support shaft is connected to the shaft hole of the bearing body. To fit. This operation is performed without any trouble because the lever engaging concave portion of the support shaft has play. Thereafter, the lever is actuated to control the second position where the support shaft largely protrudes, and the support shaft is completely fitted into the shaft hole of the bearing body.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A door hinge device according to an embodiment of the present invention will be described below with reference to FIGS.

In FIG. 1, reference numeral 1 denotes a top portion of a doorway, and a doorway side hinge member 2 is fixed to a lower surface thereof with screws 3. A shaft holding cylinder 5 is attached to the mounting base 4 of the doorway side hinge member 2 in a vertical direction, and a support shaft 6 is provided in the shaft holding cylinder 5 so as to be vertically movable. The support shaft 6 is provided by an urging member 7 such as a coil spring provided in the shaft holding cylinder 5.
The tip protrudes below the mounting base material 4,
The amount of protrusion is regulated by a stopper 8 provided at the upper end of the support shaft 6 being locked by a step 9 formed inside the shaft holding cylinder 5. The support shaft 6 has a circular arc portion 10 formed at the tip and is rounded, and a lever engaging concave portion 11 having a required length is formed at a side portion. A lever 12 is disposed on the mounting base 4. The lever 12 has a middle part pivotally supported by a pivot part 13, and one end part 14 is vertically inserted into the lever engagement recess 11 of the support shaft 6. The other end 15 is engaged with the operating screw 16 held by the mounting base 4, and the lever 12 is rotated by the vertical displacement of the operating screw 16, and the support shaft 6 is engaged. Is a first position (A) at which the tip slightly protrudes from the lower surface of the mounting substrate 4.
And a second position (B) that protrudes greatly from the lower surface of the mounting base 4.

On the other hand, a door-side hinge member 18 is fixed to an upper edge of the door 17 by screws 19, and a bearing 22 is fixed to a mounting base 20 such that a shaft hole 21 is in a vertical direction. I have. A taper 23 is formed at the upper end shoulder of the bearing body 22.

In the above structure, before pivoting the door 17, the operating screw 16 of the doorway side hinge member 2 is lowered, and the end 15 of the lever 12 is pulled down as shown by the dotted line in FIG. The end 14 of the shaft engaging side is displaced upward. Due to the upward movement of the end portion 14, the support shaft 6 engaging with the end portion 14 moves upward, and the tip end thereof is located at the first position (A) where it slightly projects from the lower surface of the mounting base 4.

In this state, as shown in FIG.
7 is incorporated. More specifically, the door 17 is moved in the horizontal direction, and the bearing 22 of the door-side hinge member 18 is moved.
Is positioned directly below the support shaft 6. At this time, the lower end of the support shaft 6 whose tip is rounded by the taper 23 of the upper end shoulder of the bearing body 22 is moved to the third position (C), that is,
Push up to the upper surface position of the bearing body 22 and
When the shaft hole 21 corresponds to the lower end of the support shaft 6, the support shaft 6 is pushed down to the first position A by the urging body 7, that is, the support shaft 6 is Some of the tips of the fit.

When the support shaft 6 is displaced from the first position (A) to the third position (C), the lever engaging recess 11 of the support shaft 6 with which one end 14 of the lever 12 engages. In addition, since the play corresponding to the distance between the position (A) and the position (C) is provided in the vertical direction, the operation can be performed without any trouble.

Next, by pushing up the operating screw 16 of the door side hinge member 2, the lever 12 pushes the support shaft 6 further down as shown by the solid line in FIG. The support shaft 6 fits into the shaft hole 21 of 22 and the pivoting of the door 17 is completed.

A lever 12 is provided on the side of the shaft holding cylinder 5.
The slit 24 for inserting the one end part 14 of this is formed. As described above, when the bearing 22 of the door-side hinge member 18 fixed to the door 17 is fitted to the support shaft 6 of the doorway-side hinge member 2, the door hinge device of this embodiment is attached to the support base 6 from the support shaft 6. Since it slightly protrudes from the member 4, the object can be easily checked during the fitting operation, and the work is easy to perform. In addition, by moving the door 17 horizontally, the bearing body 22 pushes up the support shaft 6 and the predetermined position. Since the support shaft 6 is fitted into the bearing body 22 in a stepwise manner, the work is further facilitated, and the fitting can be surely confirmed. Of course, while one worker supports the door 17, The work of fitting the support shaft 6 and the bearing body 22 can be performed.

In the above embodiment, the support shaft is provided on the door side hinge member and the bearing is provided on the door hinge member. However, the support shaft and the bearing may be provided upside down. There is no difference in the effect of the method.

[0017]

As is clear from the description of the above embodiment,
According to the door hinge device of the present invention, the first position where the support shaft of the doorway side or the door side hinge member slightly protrudes, the second position where the support shaft protrudes greatly, and the third position which is above or below the first position. When the door is pivoted, the support shaft is moved once by horizontal movement of the bearing body, and then the tip of the support shaft is fitted to the bearing body. Are further projected to completely fit the bearing, so that the work of fitting the support shaft of the door-side hinge member or the door-side hinge member with the bearing of the other hinge member can be easily performed. This can be done by many workers, and the effect is great.

[Brief description of the drawings]

FIG. 1 is a cross-sectional side view of a door hinge device according to an embodiment of the present invention.

FIG. 2 is a fragmentary side view of the door hinge device.

FIG. 3 is a front view of a general door unit using a door hinge device.

FIG. 4 is a cross-sectional side view of a conventional door hinge device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Top part of doorway 2 Doorway side hinge member 4 Mounting base material 5 Shaft holding cylinder 6 Support shaft 7 Urging body 10 Arc part 11 Lever engagement concave part 12 Lever 13 Pivot part 14 One end of lever 15 The other end of lever 16 Operating screw 17 Door 18 Door side hinge member 20 Mounting base material 21 Shaft hole 22 Bearing body 23 Taper

Claims (3)

(57) [Claims] 1. A door-side hinge member and a door-side hinge member, and one of the door-side hinge member and the door-side hinge member is displaced up and down by an actuating screw, and the other lever is provided by the lever. A support shaft whose position is controlled at a first position slightly protruding toward the hinge member side and a second position protruding largely, wherein the support shaft is provided in a lever engaging recess which engages one end of a lever of the support shaft; Is provided with a play to allow movement from the first position, and a bearing body for fitting the support shaft is provided on the other of the door-side hinge member and the door-side hinge member, and the support shaft is provided at a tip shoulder of the bearing body. Door hinge device provided with a taper that presses. 2. The door hinge device according to claim 1, wherein the support shaft is rounded with an arc at its tip. 3. The door hinge device according to claim 1, wherein the support shaft is held in a support shaft holding cylinder provided on the mounting base material and is urged to project by an urging body.