JPH02248595A - Open and close structure of door of frame body - Google Patents

Abstract

PURPOSE:To open a door from both right and left sides, by inserting axial pins in noches provided at the respective right and left sides of a body and using one of the axial pins as a bearing axis of the door and also leaning forward the other axial pins. CONSTITUTION:Notches 7 are formed at the right and left two positions of the upper beam and the lower beam 4 in front of the body and further, notches 15, 16 are formed at the corresponding positions to the upper beam and the lower beam 6 of the door-side frame respectively. Next, axial pins 13, 14, which can be leaned forward, are inserted into two penetrating holes formed by both notches 7, 15, 16 of the body A and the door-side frame 2. Next, a proportional device C with slide plates 25, 25 is arranged within the door-side frame 2 to prevent one of the axial pins 13, 14 from leaning forward on opening the door- side frame 2 to function as a bearing axis of the door and further to open the door by leaning forward the other axial pins. Moreover, the slide regulation devices D, D being attached the motion of the slide plates 25, 25 is appropriately regulated.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a door opening/closing structure for an aircraft body that can be opened and closed from either the left or right side.

[Problems to be solved by conventional technology and invention]

Conventionally, the door of an aircraft, for example, the door of a refrigerator, can only be opened and closed from one direction, and therefore, there has been a problem in that the location where the refrigerator is placed is determined by the direction in which the door opens and closes.

The present invention solves these problems.

[Means to solve the problem]

The details are as follows with reference to the accompanying drawings.

Notches 7 and 8 are provided at two places on the left and right of the upper crosspiece 3 or lower crosspiece 4 on the front side of the machine body A, and the upper crosspiece 5 or lower crosspiece 6 of the door side frame body 2 attached to the front side of the machine side frame body 1 is cut out. Notches b and 16 at corresponding positions, respectively.
, and the respective communication holes formed by the notches 7 and 8 of the machine side frame 1 and the notches 15 to 18 of the door side frame 2 are connected to the respective notches 7 and 16 of the door side frame 2. When opening the door frame 2 by penetrating the shaft pins 13 and 14 provided so that they can be folded forward inward, one shaft pin 13 will fall forward and the other shaft pin 1 will open.
An interlocking device C with a sliding plate 5 that prevents the sliding plate 4 from falling forward is provided on the door side frame 2, and a sliding regulating device C that restricts the sliding of the sliding plate 2 is provided on the interlocking device C with a sliding plate 6. A door opening/closing structure for an aircraft body, characterized in that the door opening/closing structure of an aircraft body is provided so that the other shaft pin 14 is tilted forward to open and moved forward to close using a shaft pin 13 as a fulcrum.

[For production]

When opening the door frame 2 by hand, the shaft pins 13 and 14 provided in the notch 16 of the door frame 2 so that it can be folded forward are interlocked with the slide plate 5. Since the device C allows one shaft pin 13 to fall forward and prevents the other shaft pin 14 from falling forward, the door frame 2 uses one shaft pin 14 as a fulcrum and the other shaft pin has a notch. It will be opened apart from section 7.

When closing the door frame 2, one of the shaft pins is gradually penetrated into the notch 7, the shaft pin 13 gradually rises and returns to its original state, and the other shaft pin 14 is closed. serves as a fulcrum when closing the door frame 2, which prevents it from tipping forward.

When the door frame 2 is opened and closed, the slide regulating device properly regulates the sliding of the slide plate δ, so that one shaft pin 13 is prevented from falling forward and the other shaft pin 14 is prevented from falling forward. It will be held in

〔Example〕

The present invention can be applied to all types of so-called single-swing doors, such as cooking utensils, cooking utensil storage shelves, and refrigerators, and can be used to convert single-swing doors into doors that can be opened from either direction.

The drawings illustrate the case where the present invention is implemented on a refrigerator door, and the details thereof will be explained below.

A door side frame 2 provided on the back side of an opening/closing door 〇 is fitted to a machine side frame 1 provided on the front side of a machine body A.

The upper crosspiece 3 and lower crosspiece 4 of the machine side frame body 1 and the upper crosspiece 5 and lower crosspiece 6 of the door side frame body 2 are fastened and fixed by the following structure.

In addition, the fastening structure between the upper crosspiece 3 of the machine side frame 1 and the upper crosspiece 5 of the door side frame 2, and the fastening structure between the lower crosspiece 4 of the machine side frame l and the lower crosspiece 6 of the door side frame 2. Since they have the same structure, only the fastening structure between the lower crosspiece 4 of the machine side frame 1 and the lower crosspiece 6 of the door side frame 2 will be explained below.
The fastening structure between the upper crosspiece 3 of the machine side frame 1 and the lower crosspiece 6 of the door side frame 2 is omitted.

Horizontal part 4a of lower crosspiece 4 of machine side frame 1 using angle pieces
Notches 9 and 10 are formed at two locations near the left and right ends of the , and a planar U-shaped ring body 11- is formed below the base of the notches 9 and 10.
12 is attached to the horizontal part 4a with the tip folded part slightly tilted downward, and this ring body 11 [and the cutout part 9 l
0 to form through holes 7 and 8 through which shaft pins 13 and 14 erected on the horizontal portion 6a of the lower crosspiece 6 of the door side frame body 2 are passed.

A notch is formed in the horizontal part 6a of the lower crosspiece 6 of the door side frame 2 at a position overlapping with the notches 9 and 10 provided in the horizontal part 4a of the lower crosspiece 4 of the machine side frame l. Axial pins 13 and 14 are provided in the side walls 6 degrees that are erected on both sides of the notch 16 so as to swing back and forth.

A shaft pin 13 is attached to the lower surface of the horizontal portion 6a of the lower crosspiece 6 of the door side frame 2.
Regulating rods 19 and 20 that prevent 14 from falling too far toward the front
Also, a regulating rod 17 is attached to prevent it from falling too far beyond the standing state.

Guide rollers 21 a, 21 b, and na-2 constitute a pair of upper and lower guide rollers on the left and right sides of the vertical portion 6b of the lower crosspiece 6 of the door side frame 2.
A total of four slide plates 2b are provided in a horizontal position protruding from each other, and between the upper and lower pairs of guide rollers 21a and 211) and the guide rollers 22a and 22)), a slide plate of approximately the same thickness as the middle of the space is installed. Insert and slide freely left and right.

The slide plates 6 in the drawings are connected in the middle by connecting bolts n so that the length between the left and right ends of the slide plate δ can be finely adjusted.

The inner corners of both ends of the slide plate 5 are cut to form a curved cam edge n, and this curved cam edge n is always attached to the shaft bin 1.
A regulating rod 29 which is brought into contact with 3 and 14 is erected on the horizontal part 6a of the lower crosspiece 6 of the door side frame 4.

The regulating rods 28 to 29 are erected at a position where a predetermined swinging gap is interposed between the front edge of the slide handle and the inner surface of the vertical portion 6b of the lower crosspiece 6 of the door frame 2.

The slide plate 5 is held between the shaft pins 13 and 14 and the regulating rod 29, and the slide plate δ is prevented from shaking in the middle direction.

When the slide plate 5 slides towards both ends of the slide plate 5, there are guide recesses (
9).31 is formed, and the guide edge artificial part of the guide recess (material) 81 is formed on the curved cam edges 39, 40.

A pin blade for regulating the sliding of the slide plate 5 is provided near the guide recess 31 of the slide plate 5.

Further, shafts 34-35 are erected near both ends and inside of the horizontal portion 6a of the lower crosspiece 6 of the door frame 2, and the shafts 34-35
The pin blades (and the engaging rods 36a-36 that engage with the shaft pins 13 and 14, respectively), 37a and 37b are connected in an L-shape to connect the connecting corner arm 37 to the shaft diagonal. .

The drawings illustrate the case where the above configuration is adopted, and its operation is as follows.

First, the handle portion 38 on the left side in FIG. 1 (handle portion 3 in FIG.
8) to open the door side frame 2 by pulling it toward you, that is, the state shown in FIG. 4 will be explained.

Since the shaft pins 13 and 14 are inserted into the through holes 7 and 8 formed by the notches 9 and 1O and the ring body 11 and the hill, the second.
As shown in Figure 3, the door frame 2 is secured to the machine side frame 1, but if you pull the left hand handle 38 toward you in this state, the lower part of the shaft pin opening is in contact with the regulating rod 17 provided on the lower surface of the lower crosspiece 4 of the machine side frame 1,
The shaft pin 13 moves to the state 14 in which it is tilted toward the front as shown in FIG. 4.5, and the upper part of the shaft pin opening presses the bending force of the slide plate 5 toward the front.

Due to this suppression, the slide plate 5 slides to the left in FIG. 2, resulting in the state shown in FIG.
The shaft pin 14 on the right side is prevented from falling toward the front by shifting toward the front and sliding to the right by that amount.

As the slide plate 5 slides, the left side contact side 41 of the slide plate 6 is guided by the regulation rod Z, and the right side contact side 4
2 moves while being guided by the regulating rod 29, the regulating fixture is fitted into the guide recess 31 via the curved cam edge 40, and the right shaft pin 14 is supported by the inner side of the slide plate 6 so that it cannot be tilted forward. be done.

Since the regulating fixture is fitted into the guide recess 31, the curved cam edge I of the slide plate 25 is fitted into the space between the shaft pin 14 and the regulating fixture without any problem while coming into contact with the shaft pin 14.

Furthermore, as the slide plate 5 slides, the pin blade of the slide plate 5 also slides to the right, so the slide of this pin blade causes the engagement rod Na to rotate about the axis U, and along with this rotation. The engaging rod 36)) also rotates to the left using the axis as a pivot point, and serves to push down the shaft pin 13 toward the front, so that the shaft pin 13 is returned to its original state by the engaging rod 36I). is prevented.

At this time, the shaft pin B can be reliably prevented from falling too far by the regulating rod 19.

Therefore, when the left handle portion 38 is pulled toward you, the left shaft pin 13 is released from the machine side frame 1, and the right shaft pin 14 is connected to the machine side frame 1 and the door frame 2. The door frame 2 becomes the opening/closing fulcrum and is opened from the left side.

Next, the case where the door frame 2 shown in FIG. 4 closes will be described.

When the door frame 2 is moved in the closing direction using the right shaft pin 14 as a fulcrum, the tilted shaft pin 13 comes into contact with the ring body 11 that is tilted slightly downward, and slides on the ring body 11. penetrates through hole 7 formed by ring body 11 and notch 9,
When the door frame 2 is further moved in the closing direction, the shaft pin 13
comes into contact with the side wall 9° of the notch 9, and the shaft pin 13 gradually becomes erect.

In accordance with the movement of the shaft pin 13 to the upright state, the engaging rod 13 is also pressed by the side surface of the shaft pin 13 and returns to its original position, and therefore the engaging rod Na also rotates the shaft tilt to the pivot point. The engaging rod 36a presses the pin wing, presses the slide plate 6 to the left, and slides the slide plate 6 back to its original state.

As the slide plate 6 returns to its original position, the curved cam rim of the slide plate presses the shaft pin 13 into an upright state, and the shaft pin 13 completely returns to its original state, and the slide plate 5 13 will be maintained in the standing state.

Even at the right end of the slide plate 5 that is in contact with the right shaft pin 14, the slide plate 5 smoothly returns to its original state.

That is, the curved cam edge 40 of the guide recess 31 of the slide plate 6
The slide plate 6 moves while being in contact with the regulating fixture.
moves smoothly to the right side, and the right contact side 42 of the slide plate δ
is supported by the regulating fixture and the curved cam edge 27 of the slide plate supports the shaft pin 14, and the shaft pin 14 is maintained in an upright state.

In the figure, reference numeral 43 is a leg, 44 is a nut, and 45 and 46 are the shafts of the shaft pins 13 and 14.

〔Effect of the invention〕

Since the present invention is configured as described above, it provides a convenient door opening/closing structure for a machine body that allows the door side frame to be opened from either the left or right side.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention; FIG. 1 is a partially cutaway front view of the present invention, FIG. 2 is a plan cross-sectional view of the main part,
FIG. 3 is an enlarged side sectional view of the main part, FIG. 4 is a plan sectional view when the door frame is opened, and FIG. 5 is an enlarged side sectional view of the main part. A... Airframe, C... Interlocking device with slide plate, D...
・Slide regulating device, 1...Machine side frame, 2...Door side frame, 3...Upper rail, 4...Lower rail, 5...Upper rail, 6
...lower crosspiece, 7, 8...notch, 13, 14...shaft pin, ...slide plate. March 18, 1999

Claims (1)

[Claims] Notches are provided at two places on the left and right of the upper or lower rung on the front of the machine body, and the cutouts are formed at corresponding positions on the upper or lower rung of the door side frame attached to the front of the machine side frame, respectively. A shaft pin provided so as to be able to be folded forward into each notch of the door side frame is inserted into each communication hole formed by the notch of the machine side frame and the notch of the door side frame, respectively, When the door side frame is opened, an interlocking device with a sliding plate is provided on the door side frame so that one shaft pin falls forward and the other shaft pin is prevented from falling forward, and the sliding plate is allowed to slide on this interlocking device with a sliding plate. A door opening/closing structure for a fuselage, characterized in that a slide regulating device is provided, and the door opening/closing structure of an aircraft body is provided such that one shaft pin is used as a fulcrum and the other shaft pin is tilted forward to open and reversed to close.