JPH07293094A - Door hinge structure and box body - Google Patents

Abstract

PURPOSE:To provide a door hinge structure, which adjusts the inclination of a door simply and in which no spacer for adjustment is required. CONSTITUTION:A hinge fitting 30 having an elliptic-shaped bolthole in the direction of adjustment and being fixed on a frame 7 by a fixing bolt 4 is provided while an adjustment exclusive bolt 10 apart from the fixing bolt 4 is mounted. The hinge fitting 30 is slid by rotating the bolt 10, and the inclination of a door generated after the installation of the door is adjusted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door hinge structure attached to a box body such as a switchboard or a control panel.
Particularly, the tilt angle of the door is adjusted.

[0002]

2. Description of the Related Art FIG. 10 (a) is an overall perspective view showing a state in which a conventional door hinge is attached to a switchboard or the like, and FIG. 10 (b) is shown in FIG.
The enlarged view of the A section of (a) is shown. In the figure, reference numeral 1 is a box body such as a switchboard and a control board, and a vertical frame 7 is provided in its opening.
The box-side hinge fitting 3 is attached to the frame 7 with the fixing bolt 4. On the other hand, a door-side hinge fitting 5 is welded to the door 2, and the box-side hinge fitting 3 and the door-side hinge fitting 5 are provided with vertical pin holes 3a and 5a for inserting the hinge pins 6, respectively. ing.

Next, the assembling operation of the door hinge structure will be described. First, the box-side hinge fitting 3 is fastened to the vertical frame 7 of the box 1 with the fixing bolts 4. Here, FIG.
1 (a) and (b) show how the hinge fitting 3 is attached to the box frame 7. After that, the hinge pin 6 is inserted into the pin holes 3a, 5a of the door-side hinge fitting 5 and the box-side hinge fitting 3 welded to the door 2, so that the door 2 is pivotably attached to the box 1.

[0004]

The door hinge structure is constructed as described above, and the clearance between the hinge pin insertion holes 3a and 5a of the hinge fittings 3 and 5 and the hinge pin 6, the weight of the door 2 and the door 2 is increased. Due to the deformation of the box body 1 due to the weight, after the door 2 is attached, the door 2 is tilted (door tilt 8) as shown in FIG. 12, and the tilt of the door 2 must be adjusted. However, in the conventional tilt adjustment, after loosening the fixing bolts 4 of the box-side hinge fitting 3, the heavy door 2 is lifted manually or with a tool (machine), and as shown in FIG. It was necessary to adjust the inclination of the door 2 by inserting a spacer 9 between 3 and then re-tightening the fixing bolt 4. Further, since the box 1 is deformed depending on the installed state, there is a problem that even if the tilt is adjusted in the factory, the tilt of the door 2 must be adjusted again after the installation is completed.

The present invention has been made to solve the above-mentioned problems, and can easily adjust the inclination of the door after the door is attached, and eliminates the need for a spacer for adjusting the door. It is intended to provide a structure.

[0006]

In the door hinge structure according to the present invention, a hinge metal fitting is attached to a box or door frame by a fixing bolt, and the hinge metal fitting is provided with an adjustment-specific bolt different from the fixing bolt. By rotating the adjusting bolt, the hinge fitting is slid to adjust the tilt angle of the door.

In particular, a hinge fitting having oval bolt holes that are long in the front-rear, left-right, and up-down directions is prepared, and the hinge fitting is attached to a box or door frame by a fixing bolt, and the frame or the hinge is attached. An adjustment hole into which the adjustment bolt is screwed is provided in one of the fittings in the front-rear, left-right, and up-down directions, and the hinge fitting is slid by the rotation of the adjustment-specific bolt to adjust the tilt angle of the door.

A box body such as a switchboard and a control panel according to the present invention is provided with a hinge fitting for adjusting the inclination of the door.

[0009]

According to the door hinge structure of the present invention, after the door is mounted via the hinge metal fitting, the fixing bolt is loosened, and the tilt of the door generated after the door is attached is eliminated by adjusting the rotation of the adjustment-specific bolt to further fix the door. Door hinge adjustment can be easily achieved by tightening the bolts.

In particular, the hinge fittings are attached to the front, rear, left and right,
It is possible to easily adjust the tilt angle of the door by providing a bolt hole having a long shape in the vertical direction and sliding the hinge metal fitting in the front-back, left-right, and vertical directions by rotating the adjustment-specific bolt.

Further, according to the box body of the present invention, by attaching the hinge fitting capable of adjusting the tilt of the door, it becomes possible to easily adjust the tilt of the door again after the installation is completed.

[0012]

【Example】

Example 1. Embodiment 1 of the door hinge structure of the present invention will be described below with reference to the drawings. 1 (a) to 1 (d) are various views showing the state in which the box-side hinge fitting according to the first embodiment is attached to the frame of the box, and FIGS. 2 (a) to 2 (b) are perspective views of the hinge fitting. Is. The box-side hinge fitting 30 of FIG. 2A used in this embodiment has a pin hole 3 into which a hinge pin (not shown) is inserted.
0a, an adjustment hole 31a tapped to tighten the adjustment-dedicated bolt 10, and a fixing hole 32 for the fixing bolt 4 attached to the box frame 7. A bolt 10 for adjustment is placed horizontally in the adjustment hole 31a with respect to the front surface of the door.
It is adapted to be screwed in the (left and right) direction, and the fixing hole 32 has an oval shape so that the fixing bolt 10 can be mounted in the horizontal (left and right) direction. Note that the hinge fitting 30 shown in FIG. 2 (b) is provided with a burrow hole 31b that is not tapped as a hole for the adjustment-dedicated bolt.
Used in the mounting modes of (a) and (d).

Next, FIG. 1 shows a mounting mode of the hinge fitting.
(a) to (d) will be described. In FIG. 1A, the adjustment bolt 10 is locked to the hinge fitting 30 side with a retaining ring 11, and the adjustment bolt 10 is screwed into an adjustment hole (tap hole) 70 a provided in the vertical frame 7. Has become. Further, in FIG. 1B, the adjustment-specific bolt 10 is locked to the vertical frame 7 side by a retaining ring 11, and the screw portion of the adjustment-specific bolt 10 is screwed into the adjustment hole 31a on the hinge fitting side. Further, in FIG. 1 (c), the adjusting bolt 10 is screwed into the adjusting hole 31a of the hinge fitting so that the tip end thereof abuts the box frame 7. Further, in FIG. 1D, the adjustment bolt 10 is screwed into the adjustment hole 70a of the vertical frame.

Next, the assembling operation of the hinge structure will be described. First, the box-side hinge fitting 30 is fixed to the vertical frame 7 of the box 1 with the fixing bolts 4. Then, by inserting the hinge pins 6 into the pin holes 30a of the door-side hinge fitting 5 and the box-side hinge fitting 30, the door 2 is pivotably attached to the box 1. Then, check the inclination of the door 2, loosen the fixing bolt 4, and adjust the adjustment bolt 10 to the position shown in FIG.
Rotate in the R1 direction of (a) and (b) to move the box side hinge fitting 30
The position of is changed in the left-right direction (R or L direction in FIG. 1) to adjust the tilt angle of the door 2. After the adjustment, the fixing bolt 4 is tightened and fixed in the solid hole 32 that is long in the left-right direction. Note that FIG.
In the mounting mode of (c), when the bolt 10 is rotated in the R1 direction, the hinge fitting 30 can be adjusted only in the R direction. In the mounting mode of FIG. 1 (d), the bolt 10 is rotated in the R1 direction. In this case, the hinge fitting 30 can be adjusted only in the L direction. For example, as shown in FIG. 3, when the weight of the door 2 exerts a force in the F1 direction on the upper hinge portion and a force in the F2 direction on the lower hinge portion, as shown in FIG.
The attachment mode of 1 can be applied to the upper hinge part, and the attachment mode of FIG. 1D can be applied to the lower hinge part.

Although the adjustment exclusive bolt 10 is screwed in from the adjustment hole 31a side of the hinge fitting 30 in the first embodiment, the adjustment exclusive bolt 10 may be screwed in from the frame 7 side.

Further, the hinge fitting 3 for tilt adjustment of the present embodiment.
Either 0 may be installed only at the upper position of the door, only at the lower position of the door, or both the upper and lower parts may be attached.

Example 2. In the first embodiment described above, the hinge fittings can be adjusted in the left-right direction with respect to the box-side frame.
A door hinge structure that can be adjusted in the front-back direction as in the second embodiment may be used.

FIGS. 4 (a) to 4 (d) are various views showing a state in which the box side hinge fitting 40 according to the second embodiment is attached to the frame 7 of the box body, and FIGS. 5 (a) to 5 (b) are the above. It is a perspective view of a hinge metal fitting. The hinge fitting 4 of FIG. 5 (a) used in this embodiment
0 is a pin hole 40a for inserting a hinge pin (not shown)
An adjustment hole 41a tapped to tighten the adjustment bolt 10 and a fixing hole 42 for the fixing bolt 4 to be attached to the box frame 7 are provided. A bolt 10 for adjustment is screwed into the adjustment hole 41a in the front-rear direction with respect to the front surface of the door.
2 has an oval shape that is long in the front-rear direction. Note that FIG.
The hinge fitting 40 shown in (b) is provided with a burrow hole 41a that is not tapped, and is used in the mounting mode shown in FIGS. 4 (a) and 4 (d).

Next, the manner of mounting the above-mentioned hinge fittings is shown in FIG.
(a) to (d) will be described. In FIG. 4A, the adjustment bolt 10 is locked to the hinge fitting 40 side with the retaining ring 11, and the adjustment bolt 10 is screwed into the adjustment hole (tap hole) 70 a provided in the vertical frame 7. Has become. Further, in FIG. 4 (b), the adjustment bolt 10 is locked to the vertical frame 7 side by a retaining ring 11, and the screw portion of the adjustment bolt 10 is screwed into the adjustment hole 41 a of the hinge fitting 40. Further, in FIG. 4 (c), the bolt 10 for adjustment is screwed into the adjustment hole 41a of the hinge fitting so that the tip portion is the box frame 7.
It comes into contact with. Further, in FIG. 4 (d), the adjustment-specific bolt 10 has an adjustment hole (tap hole) 70a in the vertical frame.
Is screwed into. Reference numeral 70b is a stupid hole provided in the vertical frame 7.

Next, the assembling operation of the hinge structure will be described. First, the box-side hinge fitting 40 is fixed to the vertical frame 7 of the box 1 with the fixing bolts 4. Then, by inserting the hinge pins 6 into the pin holes 40a of the door-side hinge fitting 5 and the box-side hinge fitting 40, the door 2 is pivotally attached to the box body 1. After that, check the inclination of the door 2, loosen the fixing bolt 4, and rotate the adjustment bolt 10.
(Rotate in R2 direction in Fig. 4 (a) (b))
Vary the position of 0 in the front-back direction (P or Q direction in FIG. 4),
Adjust the tilt angle of the door 2. Fixing bolt 4 after the adjustment
Tighten and fix. In addition, in the mounting mode of FIG. 4 (c),
Hinge fitting 3 when the bolt 10 is rotated in the R2 direction
It is possible to adjust 0 only in the P direction, and also in Fig. 4 (d).
In this mounting mode, when the bolt 10 is rotated in the R2 direction, it can be adjusted only in the Q direction of the hinge fitting 30. For example, as shown in FIG. 6, when the force of F3 direction is applied to the upper hinge part and the force of F4 direction is applied to the lower hinge part due to the weight of the door 2, the mounting mode of FIG. Can be applied only to the upper hinge part, and the mounting mode of FIG. 4D can be applied only to the lower hinge part.

The hinge metal fitting 4 for tilt adjustment of this embodiment
Either 0 may be installed only at the upper position of the door, only at the lower position of the door, or both the upper and lower parts may be attached.

Example 3. In the third embodiment, a door hinge structure in which a hinge fitting is vertically adjustable is shown. FIG. 7 illustrates a box-side hinge fitting 50 and a box frame 70 according to the third embodiment.
FIG. 8 is a plan view showing a state in which the box-side hinge fitting 50 is attached to the box frame 70, and FIGS. 9A and 9B are views showing the box-side hinge fitting 50 attached to the box frame 70. It is the front view and side view which show a state.

Box-side hinge fitting 50 used in this embodiment
Includes an oblong fixing hole 52 for the fixing bolt 4, which is long in the vertical direction, and a contact plate 55 on which the adjusting bolt 10 is contacted.
Is provided. On the other hand, the box-side frame 70 is provided with a fixing hole 72 for the fixing bolt 4 and a rib 75 having an adjusting hole 71 into which the adjusting bolt 10 is screwed. In addition, 50a is a pin hole into which a hinge pin (not shown) is inserted, and a door side hinge fitting (not shown) is rotatably installed.

In this embodiment, the fixing bolt 4 is loosened, and the adjusting bolt 10 is rotated right / left (rotation in the R3 direction) to change the position of the hinge metal fitting 50 in the vertical direction (V direction), and the door 2 Adjust the height direction of. After the adjustment, the fixing bolt 4 is tightened and fixed.

The fixing bolt 10 may be locked to the rib 75 by a snap ring and screwed into the adjusting hole (tap hole) of the contact plate 55 (see FIG. 1 (a)). The tip of the bolt 10 is locked to the abutment plate 55 by a snap ring and rib 7
It may be screwed to the screw 5 (see FIG. 1 (b)). In this way, the vertical adjustment becomes more reliable.

[0026]

According to the door hinge structure of the present invention, since the adjustment dedicated bolt is attached to the hinge fitting to adjust the inclination of the door, the inclination of the door can be easily adjusted, which is troublesome as in the prior art. This has the effect of eliminating the work process and eliminating the need for adjusting spacers.

In particular, the hinge fittings are attached to the front, rear, left and right, respectively.
By providing a bolt hole having a long shape in the up-down direction and sliding the hinge fitting by rotating the adjusting bolt, the tilt angle of the door can be easily adjusted in the front-back, left-right, and up-down directions.

Further, according to the box body of the present invention, by providing the hinge structure capable of adjusting the inclination, after the installation is completed,
Even if the tilt of the door is adjusted again, it can be easily adjusted.

[Brief description of drawings]

FIG. 1 is a plan view showing various modes in which a hinge fitting according to a first embodiment of the present invention is attached to a frame of a box body.

FIG. 2 is a perspective view showing a hinge fitting of the first embodiment.

FIG. 3 is an overall perspective view showing a state in which the hinge fitting of the first embodiment is attached to a box body.

FIG. 4 is a plan view showing various modes in which the hinge fitting of Example 2 is attached to the frame of the box body.

FIG. 5 is a perspective view of a hinge fitting according to a second embodiment.

FIG. 6 is an overall perspective view showing a state in which a hinge fitting of the second embodiment is attached to a box body.

FIG. 7 is a perspective view of a hinge fitting and a box frame according to a third embodiment.

FIG. 8 is a plan view showing a state in which the hinge fitting of Example 3 is attached to the frame of the box body.

9A and 9B are a front view and a side view showing a state in which a hinge fitting of the third embodiment is attached to a frame of a box body.

FIG. 10 is an overall perspective view showing a conventional door hinge structure and an enlarged view of part A.

FIG. 11 is a plan view showing how a conventional hinge fitting is attached to a box frame.

FIG. 12 is a front view showing the inclination of the door.

FIG. 13 is a diagram showing a conventional door tilt adjusting method.

[Explanation of symbols]

1 Box, 2 Door, 4 Fixing Bolt, 7,70 Vertical Frame, 10 Special Adjustment Bolt, 30, 40, 50 Hinge Metal Fittings, 31a, 41a, 70a, 71 Adjustment Hole (Tap Hole), 32, 42, 52 Fixed hole (oval hole).

Claims (3)

[Claims] 1. A hinge fitting attached to a box body by a fixing bolt is provided, and an adjustment dedicated bolt different from the fixing bolt is attached to the hinge fitting, and the hinge fitting is slid by rotation of the adjustment dedicated bolt. Door hinge structure characterized by adjusting the tilt angle of the door. 2. A hinge fitting which has a long bolt hole in the adjusting direction and is attached to the box body by a fixing bolt through the hole, and the box body and the hinge body screwed to at least one of the box body and the hinge fitting. A door hinge structure characterized in that an adjustment-specific bolt for determining the relative position of the hinge fitting in the adjustment direction is provided, and the hinge fitting is slid in the adjustment direction by rotating the adjustment-specific bolt. 3. A box body provided with the door hinge structure according to claim 1.