JP3039413U - Damper hinge - Google Patents

Abstract

[PROBLEMS] To provide a damper hinge in which a damper unit is incorporated in a hinge, the overall cost is not increased, and the appearance of the peripheral portion of the door is improved. SOLUTION: A rotary damper unit having a built-in damping mechanism has a large rotational resistance when the rotor is normally rotated with respect to the stator and a rotational resistance when the rotor is reversely rotated is almost zero. It is used as a pivot member that connects the moving blades.

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a damper hinge that uses a rotary damper unit that has different rotational resistances when the rotor rotates forward and when it rotates in reverse.

[0002]

2. Description of the Related Art In order to avoid inconveniences and dangers such as the generation of impact noise and the pinching of fingers due to the rapid closing operation of the door, it is necessary to provide the door with a damper function that reduces the rotational force when the door is closed. There is.

However, since the conventional hinge only has a function of attaching the door to the fixed frame so that the door can be opened and closed, in order to give the door a damper function, a damper device such as a door checker is attached to the fixed frame and the door. It must be installed separately between them. As a result, the overall cost is high, and the appearance of the door periphery is poor due to the damper device.

[0004]

Therefore, an object of the present invention is to incorporate a damper unit into a hinge so that the damper function can be provided without increasing the overall cost, and the appearance of the peripheral portion of the door can be improved. It is to provide a damper hinge that can be improved.

Further, the object of the present invention is to adjust the rotational resistance within a certain range only by changing the fitting mode of the damper unit, so that various hinges having different rotational resistance can be constructed at low cost. It is possible to provide a damper hinge with variable rotation resistance that can be used.

Still another object of the present invention is to provide a self-closing damper hinge that can automatically rotate a door to a closed position while decelerating the door.

[0007]

[Means for Solving the Problems] In the damper hinge of the present invention, the rotation resistance when the rotor is normally rotated with respect to the stator is large, and the rotation resistance when the rotor is reversely rotated is almost zero. The rotary damper unit is used as a pivot member that connects the fixed-side blade and the rotating-side blade.

According to another damper hinge of the present invention, in the rotary damper unit used as the pivot member of the fixed-side blade and the rotating-side blade, the cross-sectional contour shape of the stator and the interlocking shaft portion of the rotor protruding to the stator end surface are used. The cross-sectional contour shape of each is a regular n-gon, and the axial holes of the fixed-side vane and the rotating-side vane are regular n-gons, respectively. Fit the stator into and the rotor interlocking shaft into the other. Here, n is an integer of 3 or more, and the quotient when 360 is divided is an integer.

According to another damper hinge of the present invention, in addition to the above respective configurations, a torsion bar or a torsion coil panel having one end fixed to a rotor and the other end fixed to a stator is incorporated into the damper unit, and Rotational torque in the forward direction is applied to.

The stationary blade is fixed to a fixed frame body such as a box body, and the rotating blade is fixed to a door. The rotary damper unit is set so that the normal rotation direction of the rotor is the closing direction of the door and the reverse rotation direction of the rotor is the opening direction of the door. The door is opened and closed by rotating the rotor of the rotary damper unit with respect to the stator, the opening operation is performed lightly with zero or extremely small rotation resistance, and the closing operation provides the required rotation resistance. Received from the unit and performed gently.

In a damper hinge using a rotary damper unit in which the cross-sectional contours of the rotor interlocking shaft and the stator are regular n-sided polygons, the angle between the stator and the rotor is fixed by changing the angle by 360 / n degrees. And fit into each shaft hole of the rotating side blade. As a result, even if the damper characteristic curve is single, the utilization region of the damper characteristic curve can be individually changed, so that various damper hinges having different rotational resistances can be obtained.

In a damper hinge using a rotary damper unit having a torsion bar and a torsion coil spring incorporated therein, the door is gradually and automatically closed due to the rotational torque in the forward direction applied to the rotor.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION In the illustrated embodiment, the damping mechanism of a rotary damper unit 1 accommodates a rotor 3 in a cylindrical stator 2 filled with a polymer viscous fluid or other highly viscous fluid, This is a rotary orifice damper that changes the viscous shear resistance of the highly viscous fluid by changing the gap between the inner peripheral surface of the stator 2 and the outer peripheral surface of the rotor 3 along the rotational direction.

The cross-sectional contour shapes of the interlocking shaft portion 3 a of the stator 2 and the rotor 3 are both regular hexagons (n = 6). Further, the cross-sectional shapes of the shaft hole 5 of the fixed side vane 4 and the shaft hole 7 of the rotating side vane 6 are both regular hexagons. Therefore, the fitting angle of the stator 2 and the rotor 3 to the fixed-side blade 4 and the rotating-side blade 6 is changed in units of 60 degrees.

The rotary damper unit 1 has a rotation angle of 180 degrees from a starting point, which is a reference position, to an ending point, a low torque range from the starting point to 30 degrees, and an allowance angle of 10 degrees in the reverse direction from the starting point. It is set, and an allowance angle of 10 degrees is provided from the end point in the forward rotation direction.

The rotary damper unit 1 has a forward rotation direction set clockwise as shown in FIG. 4 (R-type unit) and a counterclockwise direction set as shown in FIG. Two types of tatami (L-shaped unit) are manufactured and are selected and used according to the convenience of the door.

The rotating blade 6 has a pair of arm plates 8, and the shaft hole 7 is provided at the tip of the arm plate 8. The R-type rotary damper unit 1 and the L-type rotary damper unit 1 face the stators 2 and 2 in the shaft hole 5 of the fixed-side blade 4 arranged between the arm plate portions 8 and 8. It is housed together.

The two rotary damper units 1, 1 are urged to move outward by a compression coil spring 9 to prevent the interlocking shaft portion 3 a of the rotor 3 from coming out of the shaft hole 7 of the rotating side vane 6. ing. A spring receiving protrusion 2a is provided at the center of the end surface of the stator 2 of each rotary damper 1.

The fixed-side blade 4 is fixed to the fixed frame body 11 by the screw 10, and the rotating-side blade 6 is fixed to the door 13 by the screw 12. Generally, the rotary damper unit 1 is mounted so that the normal rotation direction of the rotor 3 is the closing direction of the door 13 and the reverse rotation direction of the rotor 3 is the opening direction of the door 13, and Since the part is reduced by the rotation resistance of the rotary damper unit 1, the door 13 is gently closed.

When the two rotary damper units are incorporated as described above, both R-type units or L-type units can be used to provide a damper function in both the opening and closing directions of the door. Also, by varying the fitting angles of the two rotary damper units with respect to the fixed-side blades and the rotating-side blades, it is possible to increase or decrease the rotational torque finally given to the door as a combined force.

In the embodiment shown in FIG. 6, one end 14a of the torsion coil spring 14 fitted in the rotor 3 is inserted and fixed in the receiving hole 15 on the stator 2 side, and the other end 14b is received in the receiving hole 16 on the rotor 3 side. It is inserted and fixed. In this rotary damper unit 1, the torsion coil spring 14 is twisted when the rotor 3 is rotated in the reverse direction, and the elastic force accumulated by this twist is released when the rotor 3 is rotated in the normal direction. Driven to.

In the above embodiment, the damping mechanism of the rotary damper unit 1 is a rotary orifice damper, but an oil damper or gas that changes the rotational resistance during forward rotation and reverse rotation by combining a check valve and a flow rate adjusting valve is used. Other known various damping mechanisms such as a damper may be appropriately adopted.

This damper hinge is used in any of a vertical type in which a rotary damper unit as a pivot member is vertically arranged vertically and in a horizontal type in which a rotary damper unit is horizontally arranged horizontally.

[0024]

As described above, the damper hinge of the present invention has a large rotation resistance when the rotor is normally rotated with respect to the stator, and a rotation resistance when the rotor is rotated reversely is close to zero. The built-in rotary damper unit is used as a pivot member that connects the fixed-side blade and the rotating-side blade, and the hinge itself has a damper function, so that the door has a damper function. Since it is not necessary to separately equip the damper device, the total equipment cost can be reduced. Since a separate damper device is not exposed around the door, the appearance is improved.

Further, a damper hinge using a rotary damper unit in which the cross-sectional contours of the rotor interlocking shaft portion and the stator are regular n-sided polygons is used to change the angle by 360 / n degrees to fix the stator and rotor to the fixed side blades. It is fitted in each shaft hole of the plate and the blade on the rotating side, and the rotational resistance of the damper can be kept within a certain range by only changing the fitting angle without changing the cross-sectional dimensions of the stator and rotor. Since it can be changed in-house, it can be widely applied and cost reduction can be achieved by mass production of a single type.

In a damper hinge in which a torsion bar or a torsion coil spring, one end of which is fixed to the rotor and the other end of which is fixed to the stator, is incorporated into a rotary damper unit, and a rotation torque is applied to the rotor in a normal rotation direction, The door can be automatically rotated to the closed position while decelerating.

[Brief description of the drawings]

FIG. 1 is a front view of a damper hinge according to an embodiment of the present invention.

FIG. 2 is a plan view of the damper hinge.

FIG. 3 is a sectional view taken along line AA of FIG. 1;

FIG. 4 is a plan view of a rotary damper unit in which the forward direction is clockwise.

FIG. 5 is a plan view of a rotary damper unit in which a normal rotation direction is a counterclockwise direction.

FIG. 6 is a schematic cross-sectional view showing an example of a rotary damper unit used in the self-closing damper hinge of the present invention.

[Explanation of symbols]

 1 Rotating Damper Unit 2 Stator 3 Rotor 3a Rotor Interlocking Shaft Part 4 Fixed Side Wing Plate 5 Fixed Side Wing Plate Shaft Hole 6 Rotating Side Wing Plate 7 Rotating Side Wing Plate Shaft Hole 8 Rotating Side Wing Plate Arm Plate 9 With Biasing compression coil spring 10 Fixing screw for fixed side blade 11 Fixed frame body 12 Fixing screw for rotating side blade 13 Door 14 Torsion coil spring 15 Spring fixing hole for stator side 16 Spring fixing hole for rotor side

Claims (3)

[Utility model registration claims] 1. A rotary damper unit having a built-in damping mechanism, which has a large rotational resistance when the rotor is normally rotated with respect to the stator and has a rotational resistance when the rotor is reversely rotated as close to zero as a stationary vane. A damper hinge used as a pivot member that connects the rotating blades. 2. A rotary damper unit having a fixed-side vane, which has a large rotational resistance when the rotor is normally rotated with respect to the stator and has a built-in damping mechanism in which the rotational resistance when the rotor is reversely rotated is as close to zero as possible. It is used as a pivot member that connects the rotating side blades, and the sectional outline shape of the stator and the sectional outline shape of the interlocking shaft part of the rotor protruding to the stator end surface are both regular n-gons, and the axial hole of the fixed side blade and the rotating side blades A damper hinge in which the shaft holes of the plates are regular n-sided, the stator is fitted in one of the shaft holes of the fixed-side vane and the pivot-side vane, and the interlocking shaft part of the rotor is fitted in the other. 3. A rotary damper unit having a fixed side vane, which has a large rotational resistance when the rotor is normally rotated with respect to the stator and has a built-in damping mechanism in which the rotational resistance when the rotor is reversely rotated is as close to zero as possible. It is used as a pivot member that connects the rotating side blades, and the sectional outline shape of the stator and the sectional outline shape of the interlocking shaft part of the rotor protruding to the stator end surface are both regular n-gons, and the axial hole of the fixed side blade and the rotating side blades The shaft holes of the plate are made regular n-gons, the stator is fitted into one of the shaft holes of the fixed-side blade and the rotating-side blade, and the interlocking shaft part of the rotor is fitted into the other, and one end is fixed to the rotor. A torsion bar or a torsion coil spring, the other end of which is fixed to the stator, is incorporated into the damper unit to apply a rotational torque to the rotor in the forward direction. A damper hinge to be used.