JP2596095Y2 - Floor hinge position adjustment device in cement case - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a floor hinge in which a piston is moved forward by the rotation of a main shaft by an opening operation, and the piston is moved back by an accumulating and restoring force of a return spring to transmit closing power to the main shaft. About the floor hinge, the floor hinge in the cement case buried in the floor so that the main shaft can be positioned and adjusted in the width direction of the door when the door is attached, and the door can be fully closed in accordance with the door closing angle. The present invention relates to a floor hinge position adjustment device in a cement case, which can adjust a position of a main body in a door width direction and an angle corresponding to a door closing angle.

[0002]

2. Description of the Related Art As a conventional apparatus for adjusting the position of a floor hinge in a cement case, Japanese Utility Model Publication No. 58-37137 is used.
There is an official gazette. In the apparatus disclosed in Japanese Utility Model Publication No. 58-38137, five bolts provided around the floor hinge body are stuck to the inner surface of the cement case for positioning in the door width direction and positioning of the door closing position. This was done by tightening the lock nut. To adjust the position of the door width direction and the position of the door closing position, use two spanners at the same time and loosen the lock nuts on both sides, respectively.
The tension of one bolt was reduced and the tension of the other bolt was increased, and then the two lock nuts were simultaneously used to tighten the lock nuts on both sides.

[0003] The device disclosed in Japanese Utility Model Publication No. 58-38137 has a drawback that the adjustment is very troublesome. Further, if the positioning of the door closing position is to be adjusted after the positioning adjustment in the door width direction, it is necessary to loosen the positioning bolt in the door width direction, which makes the adjustment difficult.

[0004] Recently, it is desired to narrow the width of the floor hinge to fit from the design issues to the door vertical frame, the conventional floor hinge, floor hinge spindle side
There is a limit to narrowing the width because the adjustment bolt portion (vertical frame side) is provided so as to protrude in the width direction, and a space for a wrench or the like is required. For example, it is desired to change the width from 132 mm to 100 mm due to the problem of design, but with the current configuration, it was not possible to make the width smaller than 132 mm.

The present invention has been devised in view of the above-mentioned point. When the floor hinge and the door are mounted, the positioning of the main shaft in the door width direction can be adjusted, and the door can be completely closed accurately by adjusting the door closing angle. As a result, it is possible to easily adjust the position of the floor hinge body in the door width direction and the angle of the door closing angle in the cement case buried in the floor, and secure a space for a wrench or the like. An object of the present invention is to provide a floor hinge position adjusting device in a cement case, which can greatly reduce the width of a floor hinge and can correspond to a door having a significantly reduced width of a door vertical frame from the viewpoint of design. And

[0006]

According to the present invention, as a means for solving the above-mentioned problems, a floor hinge main body A of a floor hinge F is adjusted and positioned in a cement case B buried in the floor. A positioning adjustment device in a cement case, wherein a long axis of a long hole has a floor hinge at a position substantially corresponding to a main axis a of one of a floor hinge body A and a lower surface of a floor hinge body A or a bottom surface of a cement case B. A long hole-shaped recess 1 is formed so as to correspond to the longitudinal direction of the main body A, and a protrusion engaging with the recess 1 is provided on one of the lower surface of the floor hinge body A and the bottom of the cement case B. part 2 is formed, the
Screw the two bolts 7 into the floor case of cement case B.
Fixed on the surface facing the piston-side end surface of the nozzle body A
Through the long slit 5a in the thickness direction of the door of the locking device 5
Provided on the piston-side end surface of the floor hinge body A.
By adjusting the screw engagement with the second screw hole 6
Hinge body A is positioned in the width direction of door in cement case B
The screw part of the second bolt 7 can be
5a by sliding the guide 5a
1 with the engagement between the projection 1 and the projection 2 as the center of rotation.
The piston side of the body A is the door thickness direction in the cement case B
The second bolt 7 and the second bolt
Tighten the locking tool 5 with the nut 8 screwed to the
And the first bolts 4, 4 of the floor hinge body A
Screw into the first screw holes 3 and 3 provided on both sides on the piston side.
To the inner surface of cement case B
Position of the floor hinge body A in the cement case B
It is an object of the present invention to provide an apparatus for adjusting the positioning of a floor hinge in a cement case, wherein the positioning adjustment device can be locked .

[0007]

In order to adjust the floor hinge main body A in the door width direction, the first bolts 4 and 4 are prevented from sticking to the inner surface of the cement case B, the lock nut 11 is loosened, and the second bolt 7 and the nut 8 are adjusted. By adjusting the tightening of the main body a to the required position, the floor hinge main body A is adjusted and moved in the door width direction. In order to position the floor hinge body A to the door closing position, the second bolt 7 is slid in the door thickness direction after slightly loosening the tightening of the second bolt 7 and the nut 8 to the locking member 5. The first bolt 4 on the side is deeply screwed away from the inner surface of the cement case B, and the screwing of the first bolt 4 on the opposite side is made shallower so as to stretch against the inner surface of the cement case B. A cement case B
When the inclination as viewed from the inner plane is adjusted as required, the second bolt 7 and the nut 8 are tightened to the locking member 5 and then the first bolts 4 on both sides are again fixed to the inner surface of the cement case B. Stretch.

[0008]

1 shows a first embodiment of a device for adjusting the position of a floor hinge in a cement case according to the present invention. In this embodiment, as shown in FIGS. 1A and 1B, positioning adjustment of a floor hinge F in a cement case B in which a floor hinge body A of a floor hinge F is adjustably positioned in a cement case B embedded in the floor. The device, wherein the long axis of the long hole coincides with the longitudinal direction of the floor hinge body A at a position substantially corresponding to the main axis a of the floor hinge body A on the bottom surface of the steel (or aluminum) cement case B. And a pin hole 2a corresponding to the concave portion 1 on the lower surface of the floor hinge body A.
The convex portion 2 made of a pin is firmly fitted into the pin hole 2a, and the convex portion 2 is slidably fitted into the concave portion 1 without looseness. The first screw holes 3 and 3 are screwed in places, and the first screw holes 3 and 3 are provided.
The first bolts 4 and 4 screwed into the cement case B project on the inner surface in the longitudinal direction of the cement case B, and an inverted T-shaped slit 5a is formed in a space on the piston side in the cement case B. Is provided from the cement case B, and a second screw hole 6 is screwed into an end face of the floor hinge body A on the piston side, and the second screw hole 6 is formed in the second screw hole 6. The second bolt 7 is inserted into the slit 5 a of the locking tool 5 so that the locking tool 5 is sandwiched between the two washers 9, 9 screwed and passed through the second bolt 7 fastened by the lock nut 11. The locking tool 5 can be tightened and fixed by the second bolt 7 and the nut 8 screwed to the second bolt 7, and
As shown in FIGS. 1 (d) and 1 (e), the second bolt 7 is slidable in the slit 5a in the door thickness direction. Further, as shown in FIG. 1 (b), the second bolt 7 is made of steel (or It is covered with a decorative lid C (made of aluminum) and fixed with screw screws 10. In addition, since the slit 5a of the locking tool 5 has a T-shaped upside-down bay shape, the locking tool 5 is sandwiched between the two washers 9, 9 during assembly so that the screw neck of the second bolt 7 is formed. Is dropped into the slit 5a of the locking member 5, and the floor hinge main body A can be easily housed in the cement case B.

The floor hinge has a piston connected to a main shaft a serving as a rotation axis of the door by a rotation-linear motion conversion mechanism using a leaf-like cam mechanism. The rotation causes the piston to move forward and accumulates the return spring, and the accumulated return force of the return spring causes the piston to return and transmit the closing power to the main shaft a via the rotation-linear motion mechanism. Is configured to
The speed of the piston movement at the time of the door closing operation is controlled by controlling the flow rate of hydraulic oil in the piston front chamber to the rear chamber of the piston by a hydraulic control circuit.

Next, the operation of the apparatus for adjusting the positioning of the floor hinge in the cement case of the embodiment constructed as described above will be described. The floor hinge F is factory-assembled as shown in FIG. 1A, and is buried in a predetermined position when the concrete is poured on the floor of the building, or after the concrete is poured on the floor. A recess is formed at a required position by a filing operation, a floor hinge is installed in the recess, and a surrounding gap is filled with mortar. If the door frame is not misaligned, the floor hinge F is not adjusted, but if the door frame is misaligned, the decorative panel C is removed and the floor hinge body A is displaced. It is necessary to carry out the movement adjustment in the door width direction, the angle adjustment for positioning to the door closing position, or both of these adjustments. Thus, in order to adjust the hinge body A in the door width direction, the first bolts 4 and 4 should not be stuck to the inner surface of the cement case B, and the second bolts 7 and the nuts 8 should be fastened to the locking members 5. After the adjustment, the floor hinge main body A is adjusted and moved in the door width direction to adjust the main shaft a to a required position. In order to position the floor hinge main body A to the door closing position, as shown in FIG. 1D, the second bolt 7 and the nut 8 are slightly loosened from the locking member 5, and then the second bolt 7 and the nut 8 are loosened. The first bolt 4 on the side where the bolt 7 slides in the door thickness direction is screwed deeply to separate it from the inner surface of the cement case B, and the screwing of the first bolt 4 on the opposite side is made shallower so that the inner surface of the cement case B When the inclination of the floor hinge body A as viewed from the plane in the cement case B is adjusted as required, the second bolt 7 and the nut 8 are tightened with respect to the locking member 5 and then the first bolts on both sides. The bolts 4 and 4 are again stretched against the inner surface of the cement case B. After the adjustment is completed, cover the decorative lid C with the screw
Fix with.

FIG. 2 (a) shows a main part of a second embodiment of the apparatus for adjusting the position of a floor hinge in a cement case according to the present invention. In this embodiment, a long hole-shaped concave portion 1 is formed on the lower surface of the floor hinge main body A so that the long axis of the long hole coincides with the door width direction. At a position near the main shaft a of the floor hinge main body A, a convex portion 2 capable of engaging with the concave portion 1 is punched and formed by pressing.

FIG. 2 (b) shows a main part of a third embodiment of the apparatus for adjusting the position of a floor hinge in a cement case according to the present invention. In this embodiment, the slit 5a of the locking tool 5 is a horizontally long hole. Therefore, in this embodiment, cement case B
In the manufacture of the lock member 5, the lock member 5 is spot-welded to the inner surface of the cement case B through a second bolt 7 in which one washer 9 is fitted into the slit 5a of the lock member 5, and the floor hinge body A is cemented. After being accommodated in the case B, another washer 9 and a nut 8 are fitted or screwed to the second bolt 7, and the second bolt 7 is screwed into the second screw hole 6 of the floor hinge body A. After that, the position adjustment of the floor hinge body A in the door width direction and the positioning to the door closing position can be performed in the same procedure as in the first embodiment.
After the adjustment is completed, the decorative lid C is put on and fixed with the screw 10.

[0013]

As described above, according to the positioning and adjusting device for the floor hinge in the cement case of the present invention, when the floor hinge and the door are mounted, the main shaft can be positioned and adjusted in the door width direction, and the door closing angle can be adjusted. At the same time, it is possible to easily perform the positioning adjustment of the floor hinge body in the door width direction and the angle adjustment corresponding to the door closing angle in the cement case buried in the floor so that the door is completely closed accurately. Further, a space for a wrench or the like can be secured, and the width of the floor hinge can be significantly reduced, so that it is possible to correspond to a door in which the width of the door vertical frame is significantly reduced from the viewpoint of design.

[Brief description of the drawings]

FIG. 1A is a plan view of an apparatus for adjusting the position of a floor hinge in a cement case according to a first embodiment of the present invention;
(B) is a cross-sectional view of Ib-Ib in (a), (c) is a cross-sectional view of Ic-Ic in (a), (b) is a plan view showing a state where a floor hinge main body in a cement case is adjusted, (e) () Is an Ie-Ie sectional view in (a).

FIG. 2 (a) is a sectional view of a main part of a second embodiment of a positioning and adjusting device for a floor hinge in a cement case according to the present invention;
(B) is a sectional view of an essential part of a third embodiment of the device for adjusting the position of a floor hinge in a cement case according to the present invention.

[Explanation of symbols]

 F Floor hinge A Floor hinge body B Cement case a Main shaft 1 Concave portion 2 Convex portion 3 First screw hole, 4 First bolt, 5 Locking member, 5a slit, 6 Second screw hole, 7 Second bolt, 8 Nut,

Claims (1)

(57) [Scope of request for utility model registration] 1. An apparatus for adjusting the positioning of a floor hinge body in a cement case, wherein the floor hinge body of the floor hinge is adjustably positioned in a cement case embedded in the floor, wherein a lower surface portion of the floor hinge body and a bottom surface portion of the cement case are provided. A long hole-shaped recess is formed at a location substantially corresponding to the main axis of one of the floor hinge bodies so that the long hole long axis line coincides with the longitudinal direction of the floor hinge body, and the lower surface of the floor hinge body A protrusion that engages with the concave portion is formed on the other of the bottom portion of the cement case and the bottom portion of the cement case.
Fixed on the surface of the lower hinge body facing the piston side end surface
Through the long slit in the thickness direction of the door
Provided at the piston-side end surface of the floor hinge body
By adjusting the screw engagement with the second screw hole, the floor hinge
The body can be freely adjusted in the door width direction in the cement case.
In addition to guiding the slit of the thread part of the second bolt,
And slide it to allow the concave portion and the convex portion
Piston side of floor hinge body with engagement as center of rotation
Can be adjusted freely in the thickness direction of the door in the cement case.
And the second bolt and a nut screwed to the second bolt.
And tighten the first bolt on the floor
-First screw holes on both sides of the hinge body on the piston side
Screw on the inner surface of the cement case
The position of the floor hinge body in the cement case
The floor is characterized in that it can lock the rules
-Positioning adjustment device for hinge in cement case.