JPH04176984A - Hinge with automatic door closing system - Google Patents

Abstract

PURPOSE:To automatically close a door with a hinge by providing a cam with spring pressure automatically moving a door in either the opening or closing direction with the spring pressure on a pillar side or the door side, and pivotally fitting them coaxially. CONSTITUTION:A hinge is pivotally fitted with a pillar side body A and a door side body B with a shaft C. The pillar side body A is formed with a fitting plate 1, a cylindrical body 2 and a hinge piece 3. The door side body B is formed with a notch 13 coupled with the hinge section 3 and a cam 20. The cylindrical body 2 is protruded on the fitting plate 1, and a roller case 6 with a roller 7 and a spring 8 are inserted into it. A roller 7 pressed by the spring of the cylindrical body 2 is brought into contact with the cam 20 of the door side body B, and they are pivotally fitted with the shaft C coaxially. The automatic opening/closing device of a door is assembled into a hinge main body, and the door can be automatically closed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a hinge equipped with an automatic door closing mechanism.

[Conventional technology]

A door checker is a device that automatically closes an open door at an entrance door. This has a piston, valve, and spring built into a cylinder filled with hydraulic oil, and the door closing time is adjusted by adjusting the flow of hydraulic oil flowing between both chambers inside the cylinder, which are partitioned by the piston. did,
There are external types, lintels, and types recessed into the floor.

[Problem to be solved by the invention]

Even if it is a conventional external hydraulic type or a type recessed into the floor, it must be installed separately from the hinge that opens and closes the door, and it is relatively large, and if it is externally installed, it spoils the appearance.
The recessed type requires work to install.

An object of the present invention is to incorporate the door into a hinge that supports the openable door so that the door can be automatically closed without requiring any installation work such as external attachment or embedding.

[Means to solve the problem]

The present invention has been made to achieve the above object, and includes a pillar-side body that is fixed to a pillar and has a hinge piece protruding from its surface, a book that is held between the door surfaces, a notch that fits the hinge piece, and a cam. The hinge piece and the Ms body having a notch are pivoted about a shaft and abut against the cam, so that the door is automatically opened or closed by spring pressure. The gist is that a cam under spring pressure for movement is provided inside either the column side body or the door side body.

(Function) A cam having the same size as the thickness of the body that is attached to the glass door is supported so that it fits within the body and is coaxial with the pivots of the column side body and the door side Pode. A roller under spring pressure is brought into contact with this, and the automatic door opening/closing mechanism is built into the hinge body, so the only installation work is to attach the hinge, and it is compact and has a beautiful appearance. can be finished.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS A hinge equipped with an automatic door-closing mechanism according to the present invention will be described below based on illustrated embodiments.

As shown in detail in FIGS. 1 and 2, the hinge of the present invention is constructed by pivoting a column side body A fixed to the column side and an m side body B attached to the door side about an axis C. Pillar side body A is the first
As shown in Figures 2 to 14, a cylindrical body 2 to be embedded in the pillar is protruded from the center of the back side of a plate-shaped mounting plate 1 that is attached to the entrance side of the pillar with multiple screws. When mounting the mounting plate 1 in the longitudinal direction, that is, when mounting it on a pillar, the hinge pieces 3 that protrude in the vertical direction can be squeezed together, and the hinge pieces 3
A shaft hole 4 is drilled that passes through the hinge piece 3 in the longitudinal direction or vertically, and a cut groove 5 is formed in the central part of the hinge piece 3 so as to extend slightly inward from the outer edge of the hinge piece 3 than the position of the shaft hole 4. The hinge piece 3 is divided into an upper piece 3a and a lower piece 3b by the cut groove 5, and the cylindrical body 2 is equipped with a roller case 6 equipped with a roller 7 and a spring 8 as shown in FIGS. 8 and 9. Insert and screw! ! 9
The spring pressure can be adjusted to provide support.

The roller case 6 has an outer shape that is slidably inserted into the cylindrical body 2, and has a cut groove 61 formed in the center of its outer end.
The roller 7 is fitted into this cut groove 61, and the roller 7 is rotatably supported by the roller case 6 with a pin 62, and a part of this roller rough is made to protrude slightly from the tip of the roller case, and is further attached to the rear end of the roller case. is spring fitting hole 63
A long hole 64 is bored in a part of the outer periphery.

When this roller case 6 is inserted into the cylindrical body 2, the 12th
As shown in the figure, since the inner flange is formed at the end of the cylindrical body, the roller case 6 is prevented from protruding by this 2L inner flange. By fitting the spring 8 into the spring fitting hole 63 of the roller case 6 and screwing the screw cap 9, the elastic force of this spring prevents the tip side of the roller case from protruding toward the surface side of the mounting plate. However, the maximum protrusion amount is regulated by the inner flange, and the roller case 7 is placed in a position facing the cut groove 5, and the bins 41 provided in the cylindrical body 2 are passed through the long holes 64. The sliding distance of the roller case 6 is regulated by the length of the elongated hole 64. The door side body BLt consists of a body main body B1 as shown in detail in FIGS. 3 to 5, and an auxiliary body main body B2 shown in detail in FIGS. 6 and 7, and this body main body B1 and auxiliary body main body B2 have the same size and are integrated by sandwiching one end edge of a glass door or other member used as a door (hereinafter referred to as a glass door) D.

The body main body B1 has a flat plate shape with the required size as a hinge, and when it is installed, a projecting piece 11 that protrudes from the central part of the inner surface on the pillar side by a thickness almost equal to the thickness of the glass door is attached to the flat body body B1. It is formed integrally with the main body plate 1G, and the Pode main body plate 10
Two or more mounting posts 12 are protruded from the inner surface of the mounting boss 12, and a screw hole 12H is formed in the mounting boss 12.
A notch 13 into which the hinge piece 3 of the pillar-side body A is fitted is formed on the edge that becomes the pillar side when the is installed, and an upper piece 11a and a lower piece 11b of the protruding piece 11 formed to surround this notch 13 are formed. are vertically opposed to each other, and are arranged in a straight line with the shaft hole 4 of the column side body A. Bottle through holes 15 are respectively bored in the side pieces 11c of the projecting piece 11 so that the holes 14 and 14 are orthogonal to the 20-axis hole 14.

The auxiliary body main body B2 has a flat auxiliary body plate 16 having a notch 17 of the same size as that formed in the body main body B1 at the center of one end thereof, and a countersunk screw hole 18 into which the head of a countersunk screw fits. 18, and the body main plate 16 of the bracket is formed to have the same size as the body main body B1, and the countersunk screw hole drill 8 is formed on both main body plates 10. When stacking 16, screw hole 1
Make it consistent with 2H.

20 is a cam with depressions 22, 23. 2
4 and a shaft hole 21 is bored in the center of the side surface, and the thickness of this cam 20 is determined so that it fits into the cut groove 5 formed in the hinge piece 3 of the column side body A. The side body A and the door side body B are assembled as a hinge around the axis C. A bottle hole 15 is located in the kerf 5 of the hinge piece 3 and inserted through the axis C, and is drilled in the protruding piece 11. The bottle 18 is inserted into the hole 25 provided in the cam 2o, and the cam 20 is fitted into the hole 25.
This is to prevent it from rotating.

The glass door has the door side body main body B1 and the auxiliary body main body B2
and if necessary, insert it through the packing P.
Fix both main bodies Bl and B2 with countersunk screws.This glass door is made into one piece. That is, this door side body A is fixed to the hinge attachment edge position of the glass door.

Roller case 6 with roller, spring 8, and screws inside column side body A! 9 are fitted in sequence, and the screws IF5 are screwed into the cylindrical body to assemble them into one body, and this is fixed to a pillar (not shown) at the door mounting position using screws.

At this time, the mounting plate 1 is placed on the side surface of the column, and the cylindrical body is embedded in the hole bored in the column.

On the other hand, for the door side body B, place the cam 20 in the notch of the door side body main body B1, and hold the cam 20 through the hole 15 of the protrusion.
At the same time, align the glass gD with the door side body main body Bl, stack the auxiliary body main body B2 on top of this, and if necessary, attach the packing P with a round countersunk screw to attach both body main bodies Bl.
, When fixing B2, the glass door is sandwiched and integrated.

Assemble the glass door so that the hinge piece 3 of the column side body A attached to the column is inserted into the notch 13 of the door side body B attached to the glass door side, and connect the shaft hole 4 of the hinge piece 3 to the door side. Shaft hole 14 of protruding piece 11 of body B and hole 2 of cam 20
1 and the shaft C between the shaft hole 4゜14 and the hole 21.
Penetrate it to form a hinge. At this time, the roller 7, which is constantly pressed by the spring 8, comes into contact with the outer peripheral surface of the cam 20, which has the same size as the thickness of both body bodies Bl and B2, which are attached so as to sandwich the glass door, and comes into contact with the recess 22. The glass door closes when it touches the recess 23 or 24, and opens inward or outward when it contacts the recess 23 or 24.The highest point of the protruding part between the recess 22 and 23 or 24 becomes the dead point, and after this position The glass door is automatically opened or closed by the action of the spring 8, and the recess 22.
23 or 24, the glass door is held still.

The first embodiment is shown in Figs. 1 to 14, in which a roller is built into the column side body A under spring pressure and a cam is arranged on the glass door side, but Figs. 15 and 16 show the first embodiment. As in the second embodiment, the roller 7 and the roller case 6 to which this roller is attached are installed in the door side Pode B, and the spring 8 is connected to the cam 2.
0, and the column side body A has a hinge piece 3 on the front side.
The same effect applies to those with a protruding chisel.

〔Effect of the invention〕

According to the present invention, a cam having the same size as the thickness of the main body that is attached to the glass door is supported so that it fits within the main body and is coaxial with the axis of the column side body and the door side body. Since the roller under spring pressure is brought into contact with this, an automatic opening/closing mechanism can be built into the hinge, making it more compact. It has the advantage of having a clean appearance as there are no protrusions on the outside.

[Brief explanation of the drawing]

The drawings show an embodiment of the hinge equipped with the automatic door closing mechanism of the present invention, in which Fig. 1 is a front view showing the installed state, Fig. 2 is a cross-sectional plan view thereof, and Fig. 3 is a side view of the door side body. Figure 4 is a sectional view of the same, Figure 5 is a front view of the same, Figure 6 is a front view of the auxiliary body main body, Figure 7 is a front view of the roller case, Figure 8 is a front view of the roller case, and Figure 9 is a front view of the auxiliary body. 1G is a front view of the cam, FIG. 11 is a plan view, FIG. 12 is a side view of the lower half of the column side body, FIG. 13 is a front view, and FIG. 14 is a partial view. A broken plan view, FIG. 15 is a cross-sectional plan view of the second embodiment, and the first
Figure 6 is a front view of the same. A is the column side body, B is the door side body, C is the shaft, D is the glass IL, 1 is the mounting plate, 2 is the cylindrical body, 3 is the hinge piece, 6 is the roller case, 7 is the roller, 8 is the spring, 10 is the body main plate, 11 is the protrusion, 13 is the notch, 14 is the shaft hole, 16
is the auxiliary body main plate, and 20 is the cam. Patent Applicant: Osaka Metals Co., Ltd. No U Figure 2 Figure 3 Figure 5 Figure 4 Figure 7 Figure 8 Figure 12 Figure 14 Figure 13

Claims (1)

[Claims] (1) Consisting of a pillar-side body fixed to a pillar and having a hinge piece protruding from its surface, and a door-side body held between the door surface and equipped with a notch and a cam into which the hinge piece fits, and The hinge piece and the door-side body having a notch are pivoted about a shaft, and a spring-loaded cam that abuts the cam and automatically moves the door in the opening or closing direction with spring pressure is attached to the pillar-side body or A hinge equipped with an automatic door-closing mechanism, characterized by being installed inside one of the door-side bodies.