JP2577860B2 - Door hinge - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge for a door capable of finely adjusting a door attached to a frame in the vertical and horizontal directions.

[0002]

2. Description of the Related Art Although a frame and a door attached to the frame are originally designed so as to be conveniently dimensioned, fine adjustment in the vertical and horizontal directions of the door is required after the door is mounted on the frame. May be done. This vertical and horizontal adjustment is 2
This is performed by using a hinge in which a plurality of blades are pivotally connected via a pivot. As shown in FIG. 6, a conventional vertical adjustment mechanism is provided on a pivot 103. As one example, the pivot 1 is attached to one of the blades 101 fixed to the upright frame 107.
A cylindrical portion 104 through which the pivot shaft 103 is inserted is provided, and a cylindrical portion 105 through which the pivot shaft 103 is inserted is similarly provided on the other blade plate 102 on the door side. A substantially central portion of the pivot 103 has a flange 10 which is in contact with the upper end of the cylindrical portion 104.
3a is provided, and a male screw portion 103b is provided above the flange 103a. The male screw portion 103b is screwed with a spacer 106 provided with a female screw portion 106a on the inner diameter of the cylinder. The spacer 106 is provided with a rotation stopper 106b that fits into one of the blade plates 101. The pivot 1 protrudes from the upper portion of the spacer 106 in a state where the lower end of the cylindrical portion 105 contacts the upper end of the spacer 106.
03 is pivotally connected to the cylindrical portion 105 of the other blade plate 102.

For vertical adjustment, a female groove 103c or the like into which a driver is fitted is provided at the lower end of the pivot 103, and by rotating the pivot 103, the spacer 106 moves up and down the male screw portion 103b of the pivot 103. This spacer 1
The other blade plate 102 moves up and down together with the cylindrical portion 105 along with the vertical movement of 06, so that the door fixed to the other blade plate 102 is adjusted in the vertical direction.

The left-right adjusting mechanism is provided with a guide member 108 having a substantially U-shaped cross section between one of the blades 101 and a stand frame 107, as shown in FIG. Is provided with an adjustment protrusion 108a extending in the vertical direction substantially at the center of the closed back 109.
The guide member 108 is provided with a recess 10 provided at a hinge mounting position of the stand frame 107 by screwing or the like (not shown).
7a, one of the hinged slats 1
Numeral 01 is fixed by fixing screws 110 on both sides of the guide member 108 with the adjustment protrusion 108a as a boundary.

[0005] To adjust in the left-right direction, loosen the fixing screw 110, tighten and loosen the fixing screw 110, and adjust the adjustment protrusion 10.
At 8a, one of the blades 101 is inclined to move the position of the pivot 103 to the left and right, thereby adjusting the door in the left and right direction.

[0006]

However, in the above-mentioned conventional hinge for a door, since the vertical adjustment mechanism is provided at the pivot 103 in the vertical adjustment, the strength of the pivot 103, which increases the weight of the door, is reduced. There was a problem of doing it. In the adjustment in the left-right direction, the tightening and tightening of the fixing screw 110 for fixing the one blade plate 101 and the inclination obtained by the adjustment projection 108a are rough, and there is a problem that fine adjustment is difficult. there were.

Accordingly, an object of the present invention is to provide a door hinge capable of maintaining the strength as a hinge and facilitating fine adjustment of the door vertically and horizontally, in order to solve the above-mentioned problems. .

[0008]

In order to achieve the above object, a hinge for a door according to the present invention has two blade plates 1 and 2 pivotally attached to each other at a facing edge thereof via a pivot 3. In the door hinge for attaching one of the slats 1 to the upright frame 30 and attaching a door to the other slat 2, the upright frame 3
A fixing member 5 in the shape of a hollow box fixed to 0, and a moving member 20 provided in the fixing member 5 and slidable vertically in the fixing member 5 along the upright frame 30. A contact 8a formed on the moving member 20, a circumferential cam 9 pivotally supported by the fixed member 5 and having a peripheral surface in contact with the contact 8a; A swing member 22 to which the one blade plate 1 is fixed while being pivotally supported by the moving member 20 so that the swing member 22 can swing freely, and a swing end at the swing end of the swing member 22 along the swing direction. Screw
An angle adjusting rod 23 whose one end is rotatably supported by the moving member 20 is provided.

[0009]

When the circumferential cam 9 rotates, the contact 8a formed on the moving member 20 is pushed up or down, so that the moving member 20 moves up and down in the fixed member 5,
Along with this, the swing member 22 disposed in the moving member 20
The hinge fixed to the door moves in the vertical direction together with the door, and the vertical adjustment of the door is performed.

When the angle adjusting rod 23 rotates, the angle adjusting rod 23 is screwed with the angle adjusting rod 23 and the movable member 2 is rotated.
The swing member 22 pivotally supported at 0 is swung in the direction in which the upright frame 30 faces each other to adjust the door in the left-right direction.

[0011]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be specifically described below with reference to the drawings. FIG. 1 is a front view showing an embodiment of a door hinge according to the present invention, FIG. 2 is a plan view of the door hinge, FIG. 3 is a partial cross-sectional view taken along the line AA in FIG. 2, and FIG. It is a partial sectional view. As shown in FIGS. 1 and 2, the hinge for a door according to this embodiment is based on a structure in which two blades 1 and 2 are pivotally connected via a pivot 3, and is fixed to the stand frame 30 side. A fixing member 5 is disposed on one of the blades 1.

As shown in FIG. 3, the fixing member 5 is fixed to the stand frame 30 by screws 29. Also, the fixing member 5
Is a box body having a hollow interior, in which a vertical adjustment mechanism and a horizontal adjustment mechanism for the door are provided.

First, the vertical adjustment mechanism will be described. A moving member 20 is provided inside the box of the fixing member 5.
Are slidably accommodated in the longitudinal (up and down) direction. The movable member 20 is formed in a box shape with an opening on the side to which the one blade plate 1 is fixed. In the moving member 20, a swinging member 2 which is a main part of a left-right adjusting mechanism described later is provided.
2 are provided. The rocking member 22 has a plurality of (four in FIG. 4) elongated holes 5c formed in the fixing member 5, and each of the screwing portions 22a protrudes. And the screwing part 22
One blade 1 is attached to a by a blade fixing screw 7.

A driving chamber 8 is dug in the middle of the moving member 20 so as not to interfere with the swinging member 22, and a contact 8a is formed inside the driving chamber 8 so as to protrude integrally with the moving member 20. Have been. The contact 8a is provided above the inside of the drive chamber 8 as shown in FIG. In the drive chamber 8, a circumferential cam 9 having a spiral peripheral surface that comes into contact with the contact 8a is provided. The circumferential cam 9 is rotatably supported in the fixed member 5 via a shaft 9a formed integrally with the circumferential cam 9 itself. One end of the shaft 9a passes through a long hole 20b provided in the moving member 20, and a female groove 10 to be fitted with a driver is formed at the shaft end.
Further, the shaft end in which the female groove 10 is formed penetrates the fixing member 5 and is exposed through a height adjustment hole 1a provided in one of the blades 1, so that the female groove 10 can be visually observed from outside. It is supposed to be.

Next, the left-right adjustment mechanism will be described. A rocking member 22 is disposed inside a moving member 20 having a box shape with the side to which one of the blades 1 is fixed opened as described above inside the box of the fixing member 5. I have.
As shown in FIG. 4, the swinging member 22 has a shaft 21 vertically arranged on the upper side and the lower side inside the moving member 20 in the facing direction (left and right) of each of the facing standing frames 30. It is pivotally supported so as to be swingable. And, as described above, each of the long holes 5 of the fixing member 5 is
One of the blades 1 is fixed to the screwed portion 22a inserted through c by a blade plate fixing screw 7. Also,
An angle adjusting rod 23 having a thread groove around the swinging end of the swinging member 22 is screwed. This angle adjusting rod 23
Is rotatably supported on the moving member 20. The other end of the angle adjusting rod 23 is provided with a female groove 24 into which a driver fits. The other end penetrates through the fixing member 5 and is exposed through an angle adjusting hole 1c provided in one of the blades 1, so that the female groove 24 is visible from the outside.

The procedure for adjusting the door in the vertical and horizontal directions by the door hinge of the above embodiment will be described below. To adjust the door in the vertical direction, a driver is inserted through the height adjustment hole 1a with the door attached to the frame via a door hinge so that the door can be opened and closed. Is rotated. Accordingly, the abutment 8a formed integrally with the drive chamber 8 of the moving member 20 is pushed up or down along the spiral outer periphery of the circumferential cam 9 to move the moving member 20 together with the swing member 22 to the fixed member 5. Move up and down. As a result, the hinge itself attached to the swing member 22 moves up and down together with the door,
The vertical adjustment of the door is performed.

The adjustment of the door in the left-right direction is as shown in FIG.
As shown in (b), a driver is inserted through the angle adjustment hole 1c with the door being attached to the frame via the door hinge so that the door can be opened and closed, and the angle adjustment rod 23 is rotated with the driver. Accordingly, the swing member 22 screwed with the angle adjusting rod 23 swings right and left around the shaft 21 along the screw groove of the angle adjusting rod 23. As a result, the swing member 22
, One of the blades 1 is tilted in the left-right direction, the position of the pivot 3 is moved in the left-right direction, and the door is adjusted in the left-right direction.

Therefore, in the hinge for a door configured as described above, one of the blades 1 attached to the upright frame 30 side.
A stationary member 5 in the shape of a box is provided between the vertical frame 30 and the vertical frame 30. By providing the moving member 20 to which 1 is fixed, fine adjustment in the vertical direction of the door can be easily performed by rotating the circumferential cam 9.

A rocking member 22 is provided inside the box-shaped moving member 20 and is slidably supported by a shaft and has an angle adjusting rod 23 for adjusting the rocking of the rocking member. Since one of the blades 1 is fixed to the swing member 22, the rotation of the angle adjusting rod 23 causes the swing member 22 to rotate.
At the same time, since one of the blades 1 is swung, fine adjustment of the door in the left-right direction can be easily performed.

Further, each of the adjusting mechanisms includes a pivot 3 for pivotally connecting one and the other blades 1 and 2 to open and close the door.
By being configured to be unrelated to parts,
Since the pivot 3 is used as a hinge only for opening and closing the door, the strength of the pivot 3, which is heavy on the door, can be maintained.

[0021]

As described above, the door hinge according to the present invention includes a box-shaped fixing member fixed to the upright frame.
A moving member slidable in the vertical direction by the rotation of the circumferential cam is provided in the fixed member, and the moving member is further swung in the opposite direction of each stand frame by the screwing rotation of the angle adjusting rod. The movable swinging member is pivotally supported, and one of the hinge plates fixed to the upright frame side is attached to the swinging member. Therefore, fine adjustment in the vertical direction of the door can be easily performed only by rotating the circumferential cam after attaching the door to the frame, and fine adjustment in the horizontal direction of the door only by rotating the angle adjustment rod. Can be easily performed.

Particularly, in the left-right adjustment mechanism, one of the blades is attached to a swinging member pivotally supported on the fixed member side (moving member), so that the left-right adjustment can be performed. There is no need to loosen the mounting of one of the blades, and the adjustment can be performed while always mounting and supporting the one of the blades, so that the one of the blades and the door mounted via the one of the blades are inadvertently rattled. There is no such thing.

Also, the pivot, which is the basic structure of the hinge and which combines the one and the other blades so as to be swingable, is configured so that the above-mentioned vertical and horizontal adjustment mechanisms are not involved, so that the pivot can be used only for opening and closing the door. Used, the weight of the door can be maintained without compromising the strength of such pivot portions.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of a door hinge according to the present invention.

FIG. 2 is a plan view of the same.

FIG. 3 is a partial cross-sectional view along AA in FIG. 2;

FIG. 4 is a partial sectional view taken along line BB in FIG. 2;

FIGS. 5A and 5B are plan sectional views showing operations.

FIG. 6 is a sectional view of a conventional door hinge.

FIG. 7 is a cross-sectional plan view showing a state where a conventional hinge for a door is attached.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... One blade board, 2 ... The other blade board, 3 ... Axis, 5 ...
Fixed member, 20 moving member, 8a contact member, 9 circumferential cam, 22 swing member, 23 angle adjustment rod.

Claims (1)

(57) [Claims] 1. Two blade plates (1, 2) are pivotally connected to each other at their opposing edges via a pivot (3), and one of the blade plates is fixed to an upright frame (30). A door hinge for attaching a door to the other slat, comprising: a hollow box-shaped fixing member (5) fixed to the upright frame; provided in the fixing member; A movable member (20) that is slidable in the vertical direction along the same; a contact (8a) formed on the movable member; and a peripheral surface that is pivotally supported by the fixed member and abuts the corresponding contact. A circumferential cam (9), and a swing member (22) that is pivotally supported by a moving member and fixed to the one blade plate so as to be swingable in a direction opposite to the facing frame. screwed along Oite swinging direction oscillating end of the oscillating member, freely one end pivoted to the moving member An angle adjusting rod (23) pivotally supported by the door hinge.