JPH03176581A - Door opening closing protecting device for box body - Google Patents

Abstract

PURPOSE:To prevent the damage of a box body by a method wherein a stopper pressed through the force of a spring for rotation toward the box body and blocking rotation of a detent is provided, and when a door is closed, the stopper is forcibly returned to release the detent from a block of rotation. CONSTITUTION:A hinge 8 is secured to a mounting seat 4 fixed to a door 1, a stopper 7 is mounted to the hinge 8, and a spring 6 is located between the stopper 7 and the mounting seat 4 to form a protection device. When the door 1 is opened, the stopper 7 is pressed through the force of the spring 6 and widely rotated until it is collided with the mounting seat 4, and a detent 3 is collided with the stopper 7 to block rotation of a handle 2. When the door 1 is closed, the stopper 7 is collided with a box body 5 and forcibly returned in the direction of a door, and by freely moving the handle 2, the detent 3 locks an edge metal part 5a to close the door 1. Since when the door 1 is opened, the handle 2 is not moved, this constitution enables prevention of the damage of the box body.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an opening/closing protection device for a door that fixes the door in a closed state by rotating a catch on a handle.

[Conventional technology]

FIG. 7 is a longitudinal cross-sectional view of the conventional example, taken along the line -■ in FIG. 8, and FIG. 8 is a cross-sectional view taken along the line -■ in FIG.

In these figures, a handle 2 is attached to the front surface of a door 1, and a stopper 3 is attached to the tip of the rond of the handle 2. door l
In the closed state, the door 1 is closed and fixed by turning the handle 2 and rotating the stopper 3 in the direction of the edge 5a of the box body 5 to make it horizontal.

To open the door 1, turn the handle 2 and press the stopper 3 on the edge 5a.
The door 1 can be opened by rotating it in the direction away from the handle to make it vertical and pulling the handle 2 toward you.

[Problem to be solved by the invention]

In the conventional example described above, when closing the door 1 again, if the door 1 is closed while the stopper 3 is being rotated in the horizontal direction by mistake, the edge 5a of the box body 5 may be scratched or the paint may peel off. In addition to this, there was a problem in that the stopper 3 and the edge metal part 5a were deformed and the door could not be fixed in the closed state.

An object of the present invention is to provide an opening/closing protection device for a box door that protects a stopper 3 and a box 5 from damage even if the door is accidentally closed with the stopper in the horizontal direction.

[Means to solve the problem]

In order to solve the above-mentioned problems, according to the present invention, an opening/closing protection device for the door of the box body is provided, and as one of the devices, the stopper of the handle is rotated when the door is closed. In a door that locks an edge metal part of a box body and fixes the door in a closed state, a stopper that is pushed by the door by a spring and rotates toward the box body to prevent rotation of the stopper. is provided, and when the door is closed, the strike collar is pushed back into the box body, releasing the rotation prevention of the stopper.

[Effect]

When the door is closed, the stopper contacts the box body and is pushed back toward the door, so the handle can be rotated freely without the stopper hitting the stopper.

When the door is opened, the stopper is pushed by the spring and moves in the opposite direction of the door, so even if you try to turn the handle, the stopper will hit the stopper and you will not be able to turn the handle.

〔Example〕

A first embodiment of the present invention will be described based on FIGS. 1 to 4.

FIG. 1 is a longitudinal cross-sectional view of the embodiment with the door open, showing the Ii section in FIG. 2, and FIG.
-n sectional view, FIG. 3 is a longitudinal sectional view of the door in FIG. 1 with the door closed, and shows the m-m cross section of FIG. It is. Components with the same reference numerals as those in the conventional example and each figure have roughly the same functions, and their explanations may be omitted below.

In these figures, a protective device is installed next to the handle 2 attached to the door 1.

The protection device is constructed by fixing a hinge 8 to a mounting seat 4 fixed to the door 1, attaching a stopper 7 to the hinge 8, and interposing a spring 6 between the stopper 7 and the mounting seat 4. The dust 9 attached to the tip of the stopper 7 is to prevent the box body 5 from being damaged by the stopper 7.

When the door 1 is opened, the stopper 7 is pushed by the spring 6 and rotates greatly until it hits the mounting seat 4. At this time, even if you try to turn the handle 2, the stopper 3 hits the stopper 7 and the handle 2 cannot be turned. Can not.

When the door 1 is closed, the stopper 7 hits the box body 5 and is pushed back toward the door, so that the stopper 7 that is an obstacle in the rotation range of the stopper 3 disappears, so the handle 2 can be moved freely. , the stopper metal 3 locks the edge metal part 5a to close and fix the door 1.

A second embodiment of the invention will be explained with reference to FIGS. 5 and 6. In FIGS. 5 and 6, a rubber cushion 11 having an appropriate hardness is fixedly and protrusively provided on the rear end surface of a stopper 3 which constitutes an opening/closing device and is integrally formed with a handle 2.

In the above-mentioned configuration, if the door l is closed by mistake with the stopper 3 in the horizontal position as shown in the figure, the stopper 3 will close the edge part 5.
a, but the cushion 11 absorbs the impact and metal-to-metal contact is avoided.

Therefore, damage such as peeling of the paint on the edge metal part 5a and deformation of the stopper metal 3 is prevented.

On the other hand, when the door 1 is to be fixed to the box body 5, the stopper 3 is engaged with the rim portion 5a at its front end surface, so that the door 1 is fixed to the box body 5 without any problem.

〔Effect of the invention〕

In the conventional case, the handle can be turned freely regardless of whether the door is opened or closed, and if you accidentally move the latch to the closed position while the door is open and try to close the door, the edge of the box body In some cases, the clasps and edges were sometimes damaged, the paint peeled off, and the clasps and edges were deformed.

In this invention, a protective device is installed on the back side of the door, for example, so that the handle cannot be moved when the door is open, so there is no risk of damaging the box, peeling off the paint, or deforming the clasp. This has the effect of preventing the function of the stopper from being impaired.

[Brief explanation of drawings]

1 to 4 show a protection device according to a first embodiment of the present invention, and FIG. 1 is a vertical cross-sectional view with the door open and shows a cross section taken along the line I-I in FIG. Figure 2 is the ■− of Figure 1.
■Cross-sectional view, Figure 3 is a vertical cross-sectional view with the door in Figure 1 closed, showing the III-III cross section in Figure 4;
The figure is a cross-sectional view taken along line IV-IV in Figure 3, and Figures 5 and 6 show a second embodiment of the invention, with Figure 5 showing a state in which the door is open and the stopper is in the horizontal direction. 6 is a vertical sectional view taken along the line Vl-VI in FIG. 5, and FIG.
The figure is a sectional view taken along the line ■-■ in FIG. ■...door, 2...handle, 3...stop, 4...
Mounting seat, 5...Box, 5a...Edge part, 6...Spring, 7...Stock Figure Figure Figure Figure Figure Figure Figure Figure Figure

Claims (1)

[Scope of Claims] 1) In a door that is fixed in a closed state by rotating a stopper of a handle so that the stopper locks an edge part of a box body and fixes the door in a closed state, the above-mentioned The door is provided with a stopper that is pushed by a spring and rotates toward the box body to prevent rotation of the stopper, and when the door is closed, the stopper is pushed back toward the box and the stopper rotates. A box door opening/closing protection device characterized by releasing the blockage. 2) A stopper formed integrally with a handle rotatably supported by the door is engaged with a rim formed on the periphery of the opening of the box inwardly by the rotation of the handle. 1. An opening/closing protection device for a box door, which is used in an opening/closing device for fixing a door to the box, and is characterized in that a cushion is provided protruding from the rear end surface of the stopper.