JPH0366889A - Rotary lift door - Google Patents

Abstract

PURPOSE:To modify a manual type elevating door into a motor-driven type with simple works by removing each support arm from the bearing point in the ocular checking position, and fitting instead a follower wheel driven by a motor while it is turned together at the bearing point. CONSTITUTION:One-side ends of support arms 21, 22 are fitted to near the side ends of a door 1, while the other ends are borne at bearing points 41, 42 on an axis X. When the door 1 sinks and the main surface of the door is plumb, the door shut limitation is attained, and the door 1 rises so that the door open limitation is attained when this main surface of the door is horizontal. To modify this type of elevating door into a motor-driven type, the support arms 21, 22 are removed from the bearing points 41, 42 in the ocular checking position. Then a follower wheel P driven by a motor M is fitted while turning together relative to the bearing points 41, 42. Then the support arms 21, 22 are mounted capable of turning together relative to the follower wheel P. This permits modifying from the manual type to motor-driven with the other parts left as they are.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to external gates for buildings, particularly garage doors.

[Conventional technology]

Conventional electric rotating lift doors have a structure in which an electric drive unit is attached from the side of the rotating lift door, as shown in Japanese Patent Laid-Open No. 122385/1983. However, if a person who had previously been using a manual revolving lift door later tried to convert it to an electric one, it would be difficult or impossible due to boundaries with neighboring properties such as side walls.

[Problem to be solved by the invention]

A technical object of the present invention is to provide a rotary elevator door that allows an electric drive unit to be attached from inside the garage and that can be easily converted from manual to electric.

[Means and Embodiments for Solving the Problems] The structure of an embodiment of the rotating lift door according to the present invention will be described with reference to the drawings.
One end of the support arms 21 and 22 is attached near the second side edge of the l in a direction intersecting the main surface of the sl, and the other ends of the support arms 21 and 22 are connected to the garage side. A second axis fulcrum 41 arranged on the first axis X perpendicular to the boundary surface
42, respectively, and when the sl is lowered and the top surface of the groove is vertical, the door is closed, and when the door 1 is raised and the top surface of the groove is horizontal, the door is opened. @In the rotating lift door, the support arm 2 is installed from the pivot support points 41 and 42 at the visual position.
*Support arm 21 (22)
When is not restrained from the shaft support 41 (42), the driven wheel P opened by the electric motor M instead becomes the shaft support,
It is said that it can be attached to and detached from Go 41 (42) so that it can rotate together,
Furthermore, the structure is characterized in that the support arm 21 (22) is also constructed so as to be able to rotate together with the driven @P.

A stopper for limiting the rotation stroke of the support arm to approximately 90' and a biasing member for reducing the gravity of the trench are not shown for the sake of clarity. Further, C is a cover of the electric drive unit.

[Effect]

Since the present invention has the above configuration, when converting a manual rotating lift door to an electric one after construction and use,
Support arm 21 (22
), remove the electric a! I! One part is attached to the pillars 31 and 32 from the inside of the garage, and the driven wheel P as the final output is fitted to the shaft supporting points 41 and 42 while rotating together, and the support arm that has been removed is attached to the driven wheel P. 21 (22
) are fitted so that they can rotate together, the support arm 21 (22)
The transmission relationship between the IM and other structural members is the same as in the past, only with the intervention of an electric drive section, so the sl can be automatically opened and closed electrically by forward and reverse rotation of the electric IM. Since the thickness of the electric drive part increases the vehicle width of the stored vehicle by 11VB, it is desirable to make it as thin as possible.In the above, the support arm 21 (22) is fitted to the driven wheel P so as to rotate together. Although an example is shown in which a driven wheel P and a supporting arm 21 and 42 are attached in advance to
If both fitting portions 22 are provided, after the driven wheels P are fitted to the shaft supports 41 and 42, the support arm 21 (22) can be directly installed on the shaft supports. The same thing as described above can be applied to the operating rod shaft Q instead of the shaft supports 41 and 42. In this case, the rotation of the operating rod shaft Q is transmitted to the shaft fulcrum 4 and 42 at an appropriate ratio,
By linking the free length of the operating lever and the door 1, the operating lever can be provided so that the angle at which sl is attached to the support arms 21 and 22 is variable. In other words,
The operating lever is a member of a mechanism that restrains the lower end of the door 1 from protruding excessively into traffic when the door 1 is opened/closed, and has an operating lever axis Q and a pivot point 4.1.

42 is rotationally transmitted, the door 1 can be electrically opened and closed by electrically rotating the operating rod shaft Q.

〔Effect of the invention〕

According to the present invention, the support arms 21 and 22 or the operating lever can be freely removed from the pivot points 41 and 42 or the operating lever shaft Q, and the driven wheel P of the electric drive unit can be moved from the inside of the garage to the pivot points 4 and 4.
42 or the operating rod shaft Q, it is possible to obtain a rotating lift door that can be easily modified from a manual electric rotating lift door to an electric rotating lift door.

The rotating lift door according to claim 2 will be described below.
[Industrial field of application], [Prior art], [Problem to be solved by the invention], [Action] and [Effect of the invention] are the same as those already described.

[Means and Embodiments for Solving the Problems] The structure of an embodiment of the rotary lift door according to the present invention will be described with reference to a drawing. The pillars 31 and 32 are inserted into (outside of) an auxiliary pillar T-T fixed to the ground surface so as to be slidable up and down, and the pillars 31 and 32 are biased upward with respect to the auxiliary pillar TT. ,
The structure is characterized in that the rotation angle of sl with respect to the pivot points 41 and 42 from the door closing limit corresponds to the upward distance of the pillars 31 and 32 from the lowering limit.

[Effect]

Since the present invention has the above configuration, it can also be applied to a type of rotary lift door (for example, Japanese Patent Laid-Open No. 62-276191) in which the ground height of the axis of rotation of the door 1 increases or decreases as the door 1 is opened or closed. The present invention is applicable. The content of claim 2 is only limited to ↑ and 9 different configurations of the struts to which it is applied, so the [action] is the same as described above.

[Brief explanation of drawings]

The construction drawing is a perspective view of the main part of one embodiment of the rotary lift door according to the present invention, and fjiZ diagrams (a) and (b) are the rotary lift door of Fig. 1 before and after the driven wheel is installed, respectively. FIG. 3 is a partially exploded perspective view of an embodiment in which both the driven wheel and the support arm are detachable from the pivot point, and FIG. FIG. 3 is a perspective view of the main parts of the elevator door. l ・ 21 ・ 22 ・

Claims (2)

[Claims] (1) One end of the support arm is attached near the second side edge of the door in a direction intersecting the main surface of the door, and the other ends of the support arm are connected to the garage side boundary surface. The door is pivotally supported by two shaft fulcrums arranged on one axis orthogonal to the door, and when the door is lowered and the main surface of the door is vertical, the door is at the closing limit,
In a rotating lift door that is configured to be opened only when the door is raised and the main surface of the door is horizontal, The support, which is installed at a visual position from the operating rod shaft (operating rod shaft) which is arranged and is rotationally transmitted so as to rotate together with the supporting arm when the supporting arm rotates, is installed on the shaft fulcrum (the operating rod shaft). When the arm (operating rod that makes the mounting angle of the door to the supporting arm variable) is detachable, and the supporting arm (operating rod) is not restrained from the pivot point (operating rod axis),
Instead, the driven wheel driven by the electric motor is at the above-mentioned shaft fulcrum (
The support arm (operating rod) is also constructed such that it can rotate together with the driven wheel or the shaft fulcrum (the operating rod shaft). A rotating lift door characterized by the fact that (2) The support column is not directly supported on the ground surface, but is inserted into and out of an auxiliary column fixed to the ground surface so as to be able to slide up and down, and the column is biased upward with respect to the auxiliary column. 2. The rotary lift door according to claim 1, wherein the rotation angle of the door with respect to the pivot point from the door closing limit corresponds to the lifting distance of the support column from the lowering limit.