JP2565410Y2 - Top pivot hinge for center suspension - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a center pivot top pivot hinge which can temporarily fix a door when the door is hung and can easily hang the door alone.

[0002]

2. Description of the Related Art As shown in FIG. 4, a conventional center suspension pivot hinge comprises a pivot bearing device 30 attached to an upper side D1 of a door D and a pivot arm device 40 attached to an upper side W1 of a door frame W. The bearing device 30 is provided with a pivot bearing insertion hole 31 for receiving a pivot shaft 41, and a bearing 32 is provided in the pivot bearing insertion hole 31 so that the pivot shaft 41 can rotate. In the pivot arm device 40, a pivot shaft 41 is slidably fitted in a pivot shaft hole 42a, which is a vertical hole formed in the main body 42, and the tip of the pivot arm 43 has a rattling above the pivot shaft 41 through a slit. The hook portion 43a at the base end of the pivot arm 43 is engaged with the head portion 44a of the screw 44, and by turning the screw, the pivot arm 43 is swung to move the pivot shaft 41 up and down. ing. Therefore, when suspending the door, the pivot shaft 41 is connected to the pivot shaft hole 4.
2a, the pivot bearing insertion hole 31 is centered with respect to the pivot shaft 41 while supporting the door, and the pivot shaft 41 is lifted by turning the screw in the direction in which the screw is removed.
Is lowered and fitted into the pivot bearing receiving hole 31.

[0003]

As described above, in the conventional center suspension pivot hinge, one person hangs the door and supports it, and another person is attached to the pivot shaft of the pivot arm device by the center of the pivot bearing receiving hole of the pivot bearing device. For this purpose, two or more people were required, for example, to pull out the pivot shaft while turning the screw of the pivot arm device.

The present invention has been made in view of the above-mentioned point, and a pivot shaft holding device attached to a door is brought closer to a pivot shaft attached to a door frame from a horizontal direction to temporarily fix the holding device in a holding engagement state. It is another object of the present invention to provide a center pivot top pivot hinge which can be permanently fixed and the door can be easily suspended by one person.

[0005]

According to the present invention, as means for solving the above-mentioned problems, the upper side W1 of the door frame W is connected to the door.
A pivot shaft device 10 attached to the upper end D1 of D
This is a combination of the pivot shaft holding device 20, and the pivot shaft device 10 has a pivot shaft 12
Is rotatably supported, and the projection of the pivot shaft 12 is pivoted.
The pivot shaft holding device 20 protrudes toward the pivot shaft holding device 20, and the pivot shaft holding device 20 is pivotally connected to a main body 21 having a concave portion 21a for receiving the protrusion of the pivot shaft 12 from the horizontal direction. And two finger portions 22a
The bay portion 22b between the fingers is
a hook 22 which embrace the pivot shaft 12 conforms to a planarly open direction while rotating accept from the horizontal direction <br/> collision detecting portion of the pivot shaft 12, the rear surface of the hook 22 The hook 22 is pivotally attached to the main body 21 so as to engage with the main body 21 and is biased by a spring 24 so that when the hook 22 embraces the pivot shaft 12,
Steps 22c, 23 formed mutually with the back of
and a stopper 23 which locks the hook 22 so that the hook 22 cannot engage with the hook 22 so that the rotation of the hook 22 cannot be returned.

[0006]

By raising the door D and raising the door upper end D1 to the center of the thickness of the door frame W, the concave portion 21a of the main body 21 of the pivot shaft holding device 20 and the bay portion 22b of the hook 22 are connected to the pivot shaft device 10. The pivot shafts 12 are fitted to face each other. Then, since the pivot shaft 12 rotates the hook 22, the bay portion 2 of the hook 22 is rotated.
2b changes the direction to make the pivot shaft 12 unable to escape, and the stopper 23 engages and locks with the back surface of the hook 22 to make the hook 22 unable to return to rotation, thereby completing the temporary fixing. Next, when the retainer 25 is screwed and fixed to the main body 21, the hanging of the door D is completed.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a center pivot top pivot hinge of the present invention will be described with reference to FIGS. First, the configuration is shown in FIG.
This will be described with reference to FIG. This center suspension top pivot hinge is attached to the upper side W1 of the door frame W and the upper end D1 of the door D.
Pivot shaft device 10 to be attached and pivot shaft holding device
20 .

The pivot shaft device 10 includes a mounting base 11
A bearing 13 is mounted on the upper part, and the pivot shaft 12 is supported by the bearing 13 so as to be rotatable.
1 and the mounting base 11 is a door frame W
Is fitted in a concave portion formed in the upper side portion W1 and both ends of the base are fixed by screws 14.

[0009] The device 20 narrowing embracing the pivot axis, the pivot
Pivot shaft 12 protruding toward the shaft holding device 20
A main body 21 having a concave portion 21a for receiving the projecting portion from the horizontal direction is fixed to the upper end D1 of the door D with a screw 26, and a hook 22 for holding the pivot shaft 12 for receiving the concave portion 21a of the main body 21 on the upper surface of the main body 21. Is the first pin 2
2d, and a stopper 23 is pivotally attached to the back surface of the hook 22 by a second pin 23b. The hook 22 has two finger portions 22a, and the bay portion 22b between the fingers coincides with the concave portion 21a of the main body 21 in a planar opening direction and receives the protrusion of the pivot shaft 12 from the horizontal direction and rotates. The pivot shaft 12 is held while being held. The stopper 23 is urged by a spring 24 to press the hook 22, and is locked when a step 23 a formed at the tip of the stopper 23 engages with a step 22 c formed on the back surface of the hook 22. State, and the hook 22 cannot be rotated and returned. The holding member 25 closes the concave portion 21a of the main body 21 and is fixed to the main body 21 with a screw 27 so as to prevent the pivot shaft 12 from coming out of the concave portion 21a. The cover 28 holds down the spring 24, the hook 22, and the stopper 23. The screw screw 29 is screwed into the main body 21 and, when screwed in, presses a projection formed on the stopper 23, rotates the stopper 23 in a direction to compress the spring 24, and moves the stopper 23 from the hook 22. The engagement lock with the hook 22 can be released by separating.

To hang the door D, the pivot shaft device 10 is attached to the upper side W1 of the door frame W as shown in FIG. 1B, and the pivot shaft holding device 20 is attached to the upper portion of the door D. Then, as shown in FIG. 2A, the concave portion 21a of the main body 21 of the pivot shaft
The door D is raised by aligning the two bay recesses 22a, and the recess 21a of the main body 21 is placed horizontally on the side of the pivot shaft 12 so that the pivot shaft 12 can be relatively received in the recess 21a of the body 21. Make the corresponding position. So, first,
A bottom pivot shaft (not shown) attached to the lower end of the door is fitted to a center suspension pivot seat (not shown) attached to the lower end of the door vertical frame, and then the upper end D1 of the door D is fitted as shown in FIGS. 2 (b) and 2 (c). The pivot shaft holding device 20 is moved closer to the pivot shaft device 10 by raising the door frame W to the center of the thickness width of the door frame W, and the concave portion 21a of the main body 21 of the pivot shaft holding device 20 and the concave portion 22a of the hook 22 are pivoted. The ten pivot shafts 12 are opposed and fitted. Then, since the pivot shaft 12 rotates the hook 22, the bay portion 22 b of the hook 22 changes its direction to make the pivot shaft 12 unable to escape, and the stopper 23 is moved between the hook 22 and the back surface of the hook 22. The steps 22c and 23a formed on each other are engaged and locked so that the hook 22 cannot rotate and return, and the temporary fixing is completed. Next, FIG.
As shown in (1), when the holding member 25 is screwed and fixed to the main body 21, the hanging of the door D is completed.

In order to remove the door D, as shown in FIG. 3, when the screw 29 is closed after removing the holding member 25, the stopper 23 rotates in the direction of compressing the spring 24. Since the formed step portion 22c is separated from the step portion 22c formed on the back surface of the hook 22, the hook 22 can be turned back. Then, when the pivot shaft 12 strongly pushes the upper end D1 of the door D in the direction of the arrow X in a direction in which the pivot shaft 12 relatively escapes from the concave portion 21a of the main body 21, the pivot shaft 12 returns the hook 22 to rotate and returns.
It will relatively escape from the one concave portion 21a. The door D can be removed by the above operation.

[0012]

As described above, according to the center suspension top pivot hinge of the present invention, the pivot shaft holding device attached to the door is brought closer to the pivot shaft attached to the door frame from the horizontal direction. The door can be temporarily fixed and then permanently fixed, so that the door can be easily suspended by one person.

[Brief description of the drawings]

1A is a schematic plan view of a center pivot top pivot hinge according to an embodiment of the present invention, and FIG.

FIG. 2 is a plan view showing a door hanging step using the center hanging top pivot hinge of FIG. 1 in the order of steps.

FIG. 3 is a plan view of a center suspension top pivot hinge for explaining removal of a door using the center suspension top pivot hinge of FIG. 1;

FIG. 4 is a schematic side view of a conventional center pivot top pivot hinge.

[Explanation of symbols]

 D: Door, D1: Upper end of the door, W: Door frame, W1: Upper edge of the door frame, 10: Pivot shaft device, 11: Mounting base, 12: ... Pivot shaft, 20... Pivot shaft holding device, 21...・ Step of hook 23 ・ ・ ・ Stopper 23a ・ ・ ・ Step of stopper 24 ・ ・ ・ Spring

Claims (1)

(57) [Scope of request for utility model registration] 1. An upper side of a door frame and an upper end of a door.
Of a pivot shaft device and a pivot shaft holding device
In the pivot shaft device, the pivot shaft is rotatably supported by the mounting base, and the protrusion of the pivot shaft is pivoted.
The pivot shaft hugging device protrudes toward the bot shaft hugging device, and the pivot shaft hugging device includes a main body having a concave portion that receives the protrusion of the pivot shaft from a horizontal direction, and a two finger portion that is pivotally mounted so as to be horizontally rotatable. A hook that embraces the pivot shaft while pivotally receiving and projecting the protrusion of the pivot shaft from a horizontal direction with the bay portion between the fingers coinciding with the concave portion of the main body in a planar opening direction, and a back surface of the hook. The hook is pivotally pivotally attached to the main body so as to engage with the main body and is biased by a spring, and the hook is formed mutually with the rear surface of the hook when the pivot shaft is embraced. A top pivot hinge for center suspension, comprising a stopper which engages a step portion to lock the hook so that rotation of the hook cannot be returned.