JPH08270299A - Axial-center adjustment type top pivot device - Google Patents

Abstract

PURPOSE: To fit for usage at the place of low ceiling height, and to adjust the inclination of a door. CONSTITUTION: A frame-side substrate 2, to which a shaft hole 1 is formed, is fixed onto the upper frame 9 of a door 7 while a door-side substrate 6, to which a lever 4 hung in by inserting a shaft 3 into the shaft hole 1, a supporter 51, to which a fulcrum supporting the lever 4 is fitted, and an axial-center adjusting mechanism 5 moving the supproter 51 in the horizontal direction and adjusting the axial centers of the shaft hole 1 formed to the upper frame 9 and the shaft 3 are set up, is fastened to an upper section oppositely faced to the frame-side substrate 2 of the door 7. An operating window 8 for operating the lever 4 and the axial-center adjusting mechanism 5 is mounted on the side face side of the door 7.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a top pivot device mounted between a door and an upper frame of the door to support the rotation of the door.

[0002]

2. Description of the Related Art For example, a top pivot device has been developed and used in order to rotatably support an upper side of a door between an upper frame and an upper part of the door. Usually, as this top pivot device, for example, a frame side substrate fixed to the upper frame side has a rotation shaft, and a door side substrate having a shaft hole into which the rotation shaft is inserted is provided on the door side. The operation of suspending the rotary shaft is performed by operating an appropriate operation unit provided in the driver with a driver or the like.

[0003]

However, in such a top pivot device, the shaft center cannot be adjusted to the original position when the door is hung or the door is tilted.

Further, in recent years, many types having a low ceiling height have been constructed, so that a sufficient clearance from the upper frame to the ceiling cannot be secured in many cases. At the same time, the size of the upper frame is becoming smaller.

Therefore, in such a case, for example, FIG.
As shown in FIG. 6, the frame-side substrate 100 having a large height is fixed to the upper part of the door 101, and the thin door-side substrate 102 is replaced with the upper frame 103.
It may be possible to use a structure such as a screwdriver that is fixed to, or reversely installed, but even with such a structure, if there is some clearance between the top of the door and the ceiling, it is not possible to carry out the lifting operation with a driver or the like. . Also, in the case of reverse mounting, the shaft center cannot be adjusted similarly.

In view of the above circumstances, an object of the present invention is to provide an axial center adjustment type top pivot device suitable for use in a place where the ceiling height is low.

[0007]

That is, the present invention is a top pivot device which is mounted between a door and an upper frame of the door to support the rotation of the door, and a shaft hole is provided in the upper frame of the door. A lever for fixing the frame-side substrate and fitting the rotary shaft into the shaft hole for suspension, a support provided with a fulcrum for supporting the lever, and a horizontal movement of the support to move the door. The door-side substrate provided with the shaft hole provided in the upper frame and the shaft center adjusting mechanism for adjusting the shaft center of the rotary shaft is fixed to the upper portion facing the upper frame of the door, and the door An operation window for operating the lever and the shaft center adjusting mechanism is provided on the side surface side.

[0008]

According to the present invention, the door-side base plate fixed to the door-side upper part is provided with the axis adjusting mechanism, and the door-side base plate is provided with the adjusting window on the side surface side of the door upper part. When suspending the rotary shaft of or when adjusting the axis of the rotary shaft, you can insert your fingers or a screwdriver into the adjustment window from the outside and perform those operations from the side of the door. These operations can be performed even when there is relatively little clearance between and.

[0009]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. 1 and 2 are a cross-sectional view and a cross-sectional view taken along the line AA of the axial center adjustable top pivot device according to the embodiment of the present invention. This shaft center adjustment type top pivot device includes a frame side substrate 2 provided with a rotation shaft hole 1, a door side substrate 6 provided with a rotation shaft 3, a lever 4 and a shaft center adjusting mechanism 5, and an adjustment provided on a door 7. The window 8 is provided. Note that reference numeral 9 in the figure indicates an upper frame.

The frame-side substrate 2 of this embodiment is screwed to the upper frame 9 and the height dimension is the maximum height H of the portion provided with the screw holes. If the clearance to the ceiling is at least slightly higher than the height H, the frame-side substrate 2 can be attached even if the ceiling height is low. The door-side substrate 6 of this embodiment is also fixed to the upper portion of the door 7 facing the frame-side substrate 2 with screws.

The adjustment window 8 is used for suspending the rotary shaft 3 and adjusting the rotary shaft 3 from the outside of the door 7.
It is provided on the side surface near the mounting portion of the door side substrate 6, and is normally closed by a lid (not shown) that can be opened and closed.

The rotating shaft 3 projects upward from the door-side base plate 6 in a vertically movable state. The rotating shaft 3 passes through a cylindrical body 31 and is pivotally attached to the upper end of the lever 4. There is.

The lever 4 is a support body 51 of the shaft center adjusting mechanism 5.
Is rotated about the rotation fulcrum 51A, and by inserting a finger or the like into the adjustment window 8 to push the lower end side, and by rotating clockwise as shown in FIG. Push the rotating shaft 3 upwards and insert the rotating shaft 3 into the rotating shaft hole 1.
Is designed to be suspended. Also, this lever 4
Has a small hole (not shown) opened, and if the rotary shaft 3 is inserted into the rotary shaft hole 1 to a predetermined depth, the screw 4 is inserted into this small hole.
1 is inserted and fixed to the support body 51 integrally with the screw 41 or the like so that the lever 4 is fixed so as not to move.

The shaft center adjusting mechanism 5 is for adjusting the shaft center of the rotary shaft 3 and the rotary shaft hole 1 by inserting a steel rod or the like into the same adjusting window 8 and operating it. In this embodiment. As shown in FIG. 3, a slider 52 movably mounted in a guide hole 61 opened in the door-side substrate 6, and a screw shaft 53 projecting laterally from a support body 51 fixed to the slider 52, This screw shaft 53
And a fixing screw 5 that locks the rotating operation of the rotating body 55 after the axial center adjustment is completed after the rotating body 55 that is screwed into and is rotatably sandwiched between the pair of holding members 54A and 54B.
6 is provided.

Therefore, according to this embodiment, for example, when the door 7 is suspended, the adjustment window 8 on the door 7 side is first opened, and then the lever 4 is rotated to rotate the rotary shaft. 3 is inserted into the rotary shaft hole 1 on the upper frame side. In this way, when the rotary shaft 3 is inserted to a predetermined depth, the lever 4 is fixed to the slide support body 51 with the screw 41 so as not to move.

Next, after locking the lever 4, the fixing screw 56 screwed to the screw shaft 53 is loosened, the rotating body 55 is rotated, and the axial center of the screw shaft 53 screwing the slider 52 to the rotating body 55. As shown in FIG. 4, the rotary shaft 3 is moved with respect to the door 7 by appropriately moving the rotary shaft 3 in the direction, and thereby the axis of the rotary shaft 3 and the rotary shaft hole 1 are adjusted. In this way, when the axis is properly adjusted, the fixing screw 56 is tightened, and the rotor 55
Lock it so that it will not move.

Between the lower part of the door 7 and the floor side, of course, the shaft center adjustment type top pivot device of this embodiment is made to have the same shaft center, and it is used as a pivot hinge or a center hanging type door closer. Any of various pivot type hinge mechanisms according to the purpose is provided. In addition, in this embodiment, the shaft center adjustment type top pivot device is provided with the upper frame 9
Although it is applied to the door 7 in a place where the clearance from the ceiling to the ceiling is small and the ceiling height is low, the present invention is not limited to this and may be installed in the upper and lower portions of the two-stage door, for example.

[0018]

As described above, according to the present invention, the door side substrate fixed to the door side upper part is provided with the shaft center adjusting mechanism, and the side face of the door upper part on which the door side substrate is provided. The adjustment window is provided on the side, and when suspending the rotary shaft of the door or when adjusting the axis of the rotary shaft, insert your fingers from the outside into the adjustment window on the side of the door and perform those operations on the side of the door. It can be performed from the side, and even if the clearance between the upper frame and the ceiling is relatively small, or even if the upper frame is small, it is possible to reliably hang it and perform the axial center adjustment work. There is an effect that can be greatly expanded.

[Brief description of drawings]

FIG. 1 is a cross-sectional view showing an axial center adjustable top pivot device according to the present invention.

FIG. 2 is a sectional view taken along the line AA of FIG.

FIG. 3 is a schematic explanatory view showing a shaft center adjusting mechanism according to the present invention.

FIG. 4 is an explanatory view showing the operation of the moving shaft center adjusting type top pivot device.

FIG. 5 is a sectional view of a main part of a conventional example.

6 is a sectional view taken along the line BB of FIG.

[Explanation of symbols]

 1 Rotation axis hole 2 Frame side board 3 Rotation axis 4 Lever 5 Shaft core adjustment mechanism 6 Door side board 7 Door 8 Adjustment window 9 Upper frame

Claims (1)

[Claims] 1. A top pivot device that is mounted between a door and an upper frame to support rotation of the door, wherein a frame side substrate having a rotating shaft hole provided in the upper frame is fixed, and the rotating shaft hole is provided in the rotating shaft hole. A lever for inserting and suspending the rotary shaft, a support for supporting the lever, and a shaft center adjusting mechanism for horizontally moving the support to adjust the shaft centers of the rotary shaft hole and the rotary shaft. The door side substrate provided with is fixed to the upper part of the door facing the frame side substrate, and an operation window for operating the lever and the axis adjusting mechanism is provided on the side surface side of the door. A shaft pivot adjustment type top pivot device.