JPS63181883A - Rotary rising and falling door - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Field of Application] The present invention relates to a gate for use outside a building, particularly a garage door.

[Conventional technology]

The present invention is a proposal to revise a patent application filed by the applicant on December 26, 1986 (invention title: "Rotating Lifting Door"). In the structure of the rotary lift door of the cited application, the fulcrum and the pivot are shared in the present invention, and the floating linkage and support arm are integrated, and naturally no slit is required. Therefore, in the invention according to the cited application, the rotational movement of the floating linkage is essentially the rotational movement of the support arm.

[Problem that the invention seeks to solve]

In the invention related to the cited application, even if the door rises slightly in the opening direction when the door is closed, it is accompanied by a rotation about the pivot (axis fulcrum) of the floating link, and the decorative panel (door) also rotates around the axis (axis fulcrum). This means that the rotation of the shaft will be completely eliminated. As a result, when the door is closed, the lower end of the door protrudes toward the road side, which is an inconvenience in cases where the door is installed directly above the boundary with the road in front of the road. If the Door of Time were set inside the estate, the above inconvenience would be eliminated, but this would pose a problem in terms of effective use of the estate.) The technical problem of the present invention is to provide a method for initially raising the door vertically as much as possible when opening the door, and then slowing down the opening rotation halfway through.

[Means and Implementations for Solving the Problems] The configuration of an embodiment of the rotating lift door according to the present invention will be described with reference to a drawing.
and two shaft fulcrums 41 and 42 arranged on the axis X,
Two support arms 21 and 22 whose one ends 21a and 22a are pivotally supported by the two shaft supports 41 and 42 and are rotatable in a plane intersecting the axis X; and the two support arms 21 and 22. 2
A decorative panel (door) 1 is installed between the open ends of the two support arms 21 and 22 in a direction intersecting with the support arms 21 and 22, and a second support arm 41 and the second support arm 41 and the second support arm 41 and the second support arm 42 are respectively supported on the ground. The biasing portion tt (31, 62, and the second support member 31, 62, which provides a moment in the counter-gravitational direction to the gravitational moment exerted by the pivoting portions of the pillars 31, 32, the above-mentioned GL, and the supporting arms 21, 22) In a rotary lift door consisting of stoppers 51 and 52 that restrict the rotation stroke of the arms 21 and 220 to approximately 906, the two pillars 31 and 32 are respectively connected to the pivot point 4.
It is divided into two parts: an upper member 31a, 32a connected to 1 and 42, and a lower member 31b, 321) fixed to the ground surface. lower members 31b and 321], the biasing member 61
・U:, storage fulcrums 41, 42 are provided near one end 21a, 22a of the second support arm 21, 22, respectively.
Slits 21s and 22s facing the direction are arranged, and the upper part (313I and
It is supported by pivots 41a and 42a installed across 32a, and one end 71a and 72a is located at the lower part +A' 3
The curved ends 71b and 721) of the two floating linking rods 71 and 72, whose distances from the fixed points 31b and 32b of lb and 32b are constrained to be constant, are slidably engaged, and the two The pond ends 71b and 72b of the floating link rods 71 and 72 and the pivot 41a
・The structure is characterized in that the cross-section connecting the strainer 42 is substantially orthogonal to the above-mentioned second sleeves 21s and 22s when the door is closed and when the door is opened, respectively.

In addition, the upper parts 31a and 32a and the lower members 31b and 32b
There is no substantial difference in the sliding movement of the other parts (i.e., even if the sliding movement is an interleaved sliding movement).Also, the second digit of the code used in this specification, 2.l, refers to the support arm system. The left and right sides are shown, and the ones not shown are j and 5, but they appear the same as those in the song series.

[Effect]

Since the present invention has the above-mentioned structure, the weight of the rotating part is 14 forces (1 force part is 61.62 mm), and therefore the operating force for opening and closing the GL is also light. As the door l opens and closes, the pivot points 41-42, and thus the upper parts (31a and 32a) also move up and down. 72a
is constrained to a constant distance from fixed points 31b' and 321)', which are integral with the earth's surface, so the locus of its movement is fixed point 3
It is on the circumference centered on 1b' and 32b'. When the door is opened from the time of closing, the swinging link rods 71 and 72 immediately begin to rotate about the pivots 41a and 42a, and at the same time, the upper parts 31a and 32a also begin to rise relative to the lower parts 31b and 32b. (The door opening operation means the 11th stage of the door worker, Hn
This is equivalent to increasing the members 61 and 62). When the door is closed, the other jfH portions 71b- of the floating link rods 71 and 72
The direction connecting 72b and the pivots 41a and 42a is substantially vertical, and the sleeves 21s and 22s of the support arms 21 and 22 coincide with the direction of the support arms 21 and 22 when the door is closed, so they are ultimately sleeves. 21s and 22s and the vector radius of the end portions 71b and 72Ill of the floating link rod are approximately perpendicular to each other.

As a result, even if the floating linking rods 71 and 72 rotate, the other end 7
l b ·72 +) only moves within the slit 218, 22S and hardly contributes to the rotation of the support arms 21, 22. This means that even if door opening operation 11 is performed, door 1 will initially rise almost vertically. Immediately after the point where the dynamic range of the other end portions 711) and 72b and the slits 21s and 22s are approximately in a straight line (approximately the midpoint of the opening stroke of the door 1, that is, the position of approximately -I5゛ in terms of the opening angle) In this case, the angular velocity of the rotation of the door 1 becomes the fastest. Combining the above, the door 1 first moves vertically upward, then rapidly reverses in the middle to reach a horizontal open state.

〔Effect of the invention〕

According to the present invention, since the lower end of the door 1 does not immediately protrude toward the road when the door is opened, the safety of traffic is increased accordingly, and of course there is an advantage of increasing the storage volume inside the refrigerator. It can be said that the combination is also effective.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of the main part of an embodiment of the rotary lift door according to the present invention, FIGS. 2 and 3 are side sectional views of the main part of FIG. 5 and 5 are respectively perspective views of the support arm and floating link shown in FIG. 1, and FIG. 6 is a comparison view of the locus of the lower end of the door in a side view. 1... Decorative board (door) 21, 22... Support arm 21a-22a◆... One end 21s, 22s... Slit X... Axis 31, 32, φ... Supports 31a, 32a - Repair, Upper members 31b, 32b... Upper members 31b', 32b"... Fixed points 41, 42... Axis fulcrums 41a-42a --- Axis 51, 52...stoppers 61, 62...biasing members 71a, 72a...one end 71b, 72b...other end

Claims (1)

[Claims] The axis of rotation is a straight line that intersects a constant ground height plane and a vertical plane, and two fulcrums are placed on the axis, and one end of the axis is supported by the two fulcrums, and the axis intersects with the above axis. two support arms that are rotatable in a plane, a decorative plate that is installed between the open ends of the two support arms in a direction intersecting the two support arms, and a pivot point for the two support arms. a second support column that supports each of the two support arms against the ground surface; a biasing member that provides a moment in the anti-gravity direction that counteracts the gravitational moment exhibited by the rotating parts such as the decorative plate and the support arm; In a rotary lift door consisting of a stopper that restricts the rotation stroke to approximately 90 degrees, each of the two pillars has two parts: an upper member connected to the shaft fulcrum, and a lower member fixed to the ground surface. The above two upper members are respectively slidable directly or indirectly with respect to the above two lower members while being biased vertically upward by the above biasing member, while the above one end of each of the second support arms Nearby, a slit facing toward the pivot point is provided, and within the two slits, a pivot shaft fixed to the upper member is supported, and one end thereof is fixed at a constant distance from a fixed point of the lower member. The direction in which the other end of the two floating link rods that are restrained by the lever is slidably engaged, and the other end of the two floating link rods and the pivot axis are connected is the same when the door is closed and when the door is opened. A rotating elevator door characterized in that the slit is substantially perpendicular to the second slit.