JPH0960393A - Hinge for door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To adjust the place of the height of a door-side hinge body to a column-side hinge body, in which there is no fear that an external facing cylinder and a shaft pin may slip off from a lower-side bearing section to be reassembled or being lost. SOLUTION: The lower section 11 of a shaft pin 10 is inserted into the lower-side bearing section 5 of a column-side hinge body 1 in an unturned manner while an adjusting member 25 bearing the shaft pin 10 is installed, and and externally set cylinder 20 borne by the collar 15 of the shaft pin 10 and made of a synthetic resin is fitted externally to the lowe-side bearing section 5 vertically movably. The upper-side bearing section 35 of a door-side hinge body 30 is inserted rotatably to the upper section 13 of the shaft pin 10 while using the top face of the externally set cylinder 20 as a seat. In a hinge for a door constituted in this manner, either one of a stopper mechanism consisting of a projection 7 and a vertical groove 23 capable of being mutually engaged is formed to the inner circumferential surface of the externally set cylinder 20 and the outer circumferential surface of the lower-side bearing section 5 respectively, and the externally set cylinder 20 is fitted externally to the lower-side bearing section 5 in a manner that the cylinder 20 cannot be demounted and extracted.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door hinge in which the height of the door-side hinge can be adjusted with respect to the pillar-side hinge, and more specifically, to the bearings of the pillar-side hinge and the door-side hinge. The present invention relates to a door hinge in which an exterior cylinder is interposed between parts to conceal an exposed shaft pin portion.

[0002]

2. Description of the Related Art Conventionally, a door hinge in which the height of the door-side hinge relative to the pillar-side hinge can be adjusted at the time of mounting and thereafter, the bearings of the pillar-side hinge and the door-side hinge. A door hinge in which an exterior cylinder is interposed between parts, and the shaft pin portion exposed by adjustment including the flange portion of the shaft pin exposed between the pillar-side hinge body and the door-side hinge body is covered and hidden by the exterior cylinder. For example, those shown in FIGS. 7 to 9 are known.

In this door hinge, a lower bearing portion 53 having a tubular shape is formed along a lower side edge 52 of a pillar-side hinge body 51, and a lower side of the lower bearing portion 53 is advanced and retracted by a predetermined distance. An adjusting member 54 that can be screwed is screwed, and a stopper 55 is attached to the lower end.
Is fitted and fixed, and the lower portion 56 of the shaft pin 56 is
a is non-rotatably fitted from the upper opening of the lower bearing portion 53 and supported by the adjusting member 54, and the upper portion 56b of the shaft pin 56 penetrates through the flange a of the shaft pin 56. An outer casing 58 made of synthetic resin supported by 57 is externally fitted to the lower bearing portion 53 so as to be vertically movable by sandwiching the lower side end edge portion 52 of the pillar-side hinge 51 with a notch portion 58a opened at the lower end of the peripheral wall thereof. Further, the upper bearing portion 61 formed in a tubular shape along the upper side edge 60 of the door hinge 59 on the upper portion 56b of the shaft pin 56 exposed from the upper surface of the outer casing 58 is a shaft pin. It is rotatably fitted and inserted about the axis of the above, and is assembled by using the upper surface of the exterior cylinder 58 as a seat.

Then, the adjusting member 54 in the lower bearing portion 53
The door-side hinge 59 with respect to the pillar-side hinge 51 is screwed by a tool such as a screwdriver inserted from the lower side of the lower bearing 53 to change the depth of insertion into the lower bearing 53 of the shaft pin 56. The height position of the can be adjusted.
At this time, even if the exposed amount of the shaft pin 56 from the lower bearing portion 52 changes, the outer cylinder 58 is interlocked with the adjusted shaft pin 56 to change the height position thereof to expose the exposed portion of the shaft pin 56. It is supposed to be hidden.

Therefore, even if the height position of the door-side hinge 59 is adjusted, the exposed portion of the shaft pin 56 is always concealed by the outer casing 58, so that the appearance is good and the upper bearing portion 61 is provided.
Since the upper surface of the outer casing 58 made of synthetic resin is rotated as a seat, the door can be smoothly opened and closed without producing a metallic squeaking noise.

[0006]

However, the exterior cylinder 58 used in the conventional hinge for the door has the lower bearing portion 5
The top plate 58b is provided on the upper surface of the collar 57 of the shaft pin 56 fitted in
Since it is supported by and is simply fitted to the lower bearing portion 53, when handling the door-side hinge 59 and the pillar-side hinge 51 in a separated state at the site of installation work, etc. When the column-side hinge 51 into which the shaft pin 56 is inserted is held upside down or continuous vibration is applied in the axial direction,
The outer cylinder 58 is disengaged from the lower bearing portion 53 due to the weight of the shaft pin 56 and the impact force due to vibration, and the shaft pin 56 also slips out of the lower bearing portion 53, so that the outer cylinder 58 and the shaft pin 56 can be reassembled. There was a problem of losing.

The present invention has been made in view of the above problems, and the pillar-side hinge body does not come off the outer casing from the lower bearing portion, and therefore there is no fear of reassembling or losing the outer casing or the shaft pin. The subject is to make a door hinge in which the height position of the door side hinge body can be adjusted with respect to.

[0008]

Therefore, in the door hinge of the present invention, a cylindrical lower bearing portion is formed along the lower side end edge of the pillar-side hinge body, and the shaft pin is provided in the lower bearing portion. A lower part of the shaft is fitted into the shaft so as not to be rotatable, and an adjusting member for supporting the shaft pin to adjust a fitting depth is attached. An outer cylinder made of synthetic resin supported by a flange of the pin is fitted onto the lower bearing part so as to be vertically movable by sandwiching the lower part of the side end edge of the pillar-side hinge body by a notch opened at the lower end of its own peripheral wall. In addition, an upper bearing portion formed in a tubular shape along the upper portion of the side edge of the door-side hinge rotates on the upper portion of the shaft pin with the upper surface of the outer casing as a seat around the shaft center of the shaft pin. A door for the pillar-side hinge by vertically moving the adjusting member. A door hinge in which a height position of a hinge body is adjustable; a stopper mechanism including a protrusion and a vertical groove that are engageable with each other on an inner peripheral surface of the outer casing and an outer peripheral surface of the lower bearing portion. One of them is provided respectively, and the exterior cylinder is fitted onto the lower bearing portion in a non-removable manner, which is a means for solving the above-mentioned problems.

[0009]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

FIGS. 1 to 3 show a preferred embodiment of a door hinge according to the present invention. As shown in FIG. 1, a pillar-side hinge body 1 having a lower bearing portion 5 is formed. , Upper bearing part 3
5, a door-side hinge body 30 formed with 5, and a shaft pin 10 that is fitted into the upper and lower two bearing portions 5 and 35 to pivotally mount them.
An outer cylinder 20 made of synthetic resin that penetrates the shaft pin 10 and is fitted on the lower bearing portion 5, and an adjusting member that is provided in the lower bearing portion 5 to support the shaft pin 10 and change its height position. Two
5 and a stopper 29 fitted to the lower end of the lower bearing 5 to prevent the adjusting member 25 from slipping out.

The pillar-side hinge 1 is formed with a lower bearing portion 5 having a cylindrical shape along the lower side edge 2 thereof, and a protrusion 7 is provided on an upper portion of the outer peripheral surface of the lower bearing portion 2. In addition, a female screw 6 of a predetermined length is screwed below the inner peripheral surface,
An adjusting member 25 which is screwed into the female screw 6 and is capable of advancing and retracting a predetermined distance is provided. Further, the lower portion 11 of the shaft pin 10 is fitted from the upper opening of the lower bearing portion 5 and supported by the upper end of the adjusting member 25.

The shaft pin 10 is provided with a flange 15 that bisects the shaft pin 10 into upper and lower parts, and a protrusion 12 projecting from a peripheral surface of a lower portion 11 of the flange 15 is formed into a lower bearing portion 5 and a pillar-side hinge body 1. It is fitted in the gap 3 formed between the two and is not rotatable about the shaft center.

The outer cylinder 20 has a peripheral wall 22 vertically extending from a peripheral edge of a top plate 21 having a through hole 21a formed therein.
A notch 24 is provided on the inner and outer sides of the peripheral wall 22 and the lower end of the peripheral wall 22, and a vertical groove 23 whose upper and lower ends are closed is provided on the inner peripheral surface of the peripheral wall 22. . In this outer casing 20, the through hole 21a is provided in the shaft pin 10.
Of the shaft pin 10 is supported by the upper surface of the flange 15 of the shaft pin 10, and the notch 24 is fitted on the lower bearing 5 so as to be vertically movable with the side edge lower part 2 of the pillar-side hinge 1 interposed therebetween. At the same time, the vertical groove 23 is provided with a stopper mechanism S for preventing the outer cylinder 20 from coming off from the lower bearing portion 5 by engaging the projection 7 of the lower bearing portion 5.

Further, the door-side hinge 30 has a side edge upper portion 31.
A tubular upper bearing portion 35 is formed along the upper side bearing portion 35. The upper bearing portion 35 is fitted into the upper portion 13 of the shaft pin 10 so as to be rotatable about the axis of the shaft pin 10, and It is assembled with the upper surface as a seat.

The door hinge of the embodiment configured as described above is attached to the pillar and the door (not shown) like the conventional door hinge, and the adjustment member 25 in the lower bearing portion 5 is lowered. Within the lower bearing portion 5 of the lower portion 11 of the shaft pin 10 supported by the adjusting member 25, the adjustment is made by advancing and retracting within a predetermined distance regulated by a tool such as a screwdriver inserted from the lower side of the side bearing portion 5. By changing the insertion depth, the height position of the door-side hinge 30 with respect to the pillar-side hinge 1 is adjusted.

Then, by adjusting the height of the shaft pin 10, the outer casing 20 also moves in the vertical direction to change its height position.
Since the adjustable distance of the shaft pin 10 is set to be shorter than the length of the vertical groove 23 of the stopper, even if the door-side hinge 30 is set to the height of the adjustment limit, the projection 7 will be in the vertical groove 23.
There is no concern that the stopper mechanism S will come off from the exterior cylinder 20, and the stopper mechanism S will not be exposed from the exterior cylinder 20 and spoil the appearance. Needless to say, the position where the stopper mechanism S is provided is not limited to the position on the outer peripheral surface of the lower bearing portion 5 shown.

As is clear from the above description, this door hinge is formed by engaging the vertical groove 23 provided on the inner peripheral surface of the outer casing 20 with the projection 7 provided on the outer peripheral surface of the lower bearing portion 5. Since the stopper mechanism S that is movable in the vertical direction is configured, the shaft pin 10 is inserted and inserted when the door-side hinge 30 and the pillar-side hinge 1 are handled in a separated state at the installation work site or the like. Even if the pillar-side hinge 1 is held upside down or the exterior cylinder 20 is impacted by vibration in the axial direction, the stopper mechanism S operates and the lower bearing portion 5 is caused by the self-weight of the shaft pin 10 and the impact force. Since the outer casing 20 does not come off from the shaft pin 10 and thus the reassembling work can be saved, an accident that the outer casing 20 or the shaft pin 10 is inadvertently lost can be prevented. is there.

The stopper mechanism S described above is provided with the vertical groove 2
Since the stopper mechanism S is configured by a simple concave-convex engagement, the place where the concave-convex of the stopper mechanism S is provided may be changed to the opposite position, and FIGS. 4 to 6 show the embodiment. Is shown.

As shown in the drawing, a vertical groove 4 is provided on the outer peripheral surface of the lower bearing portion 5 of this embodiment, and a protrusion 27 is provided on the inner peripheral surface of the outer casing 20 corresponding to this, thereby providing a stopper. Even when the mechanism S is configured, the skirt portion 20a of the outer casing 20 is formed longer than the outer casing 20 of the previous embodiment, and the outer casing 20 is adjusted to a high position, the vertical groove 4 is formed. It is configured to be hidden by 20.

The other parts are the same as the door hinges of the previous embodiment, and their operations are also the same. Therefore, in the drawings, the same parts as those of the previous embodiment are designated by the same reference numerals and their description is omitted. Is omitted.

[0021]

According to the door hinge of the present invention, the door side hinge and the exterior cylinder are provided with a vertically movable stopper mechanism, so that the door can be used at the installation site, at the time of transportation, and at the time of sale. When the side hinge and the pillar side hinge are placed in a separated state, even if the pillar side hinge with the shaft pin inserted is held upside down or an impact is applied in the axial direction, The outer cylinder does not come off from the lower bearing portion due to its own weight or impact force, and the shaft pin does not fall off. Therefore, it is possible to save the trouble of reassembling and reliably prevent the outer cylinder and the shaft pin from being lost.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an embodiment of a door hinge of the present invention.

FIG. 2 is a cross-sectional view of the door hinge of FIG.

FIG. 3 is an enlarged explanatory view of a main part of the door hinge of FIG.

FIG. 4 is an exploded perspective view showing another embodiment of the door hinge of the present invention.

5 is a cross-sectional view of the door hinge of FIG.

FIG. 6 is an enlarged explanatory view of a main part of the door hinge of FIG.

FIG. 7 is an exploded perspective view of a conventional door hinge.

8 is a cross-sectional view of the door hinge of FIG.

FIG. 9 is an enlarged explanatory view of a main part of the door hinge of FIG. 7.

[Explanation of symbols]

1 pillar side hinge, 2 side edge lower part, 5 lower bearing part, 7
Protrusion, 10 Axis pin, 11 Lower part, 13 Upper part, 15
Tsuba, 20 exterior cylinder, 23 vertical groove, 24 notch, 25
Adjusting member, 30 Door hinge, 31 Upper edge, 3
5 Upper bearing part, S stopper mechanism,

Claims (1)

[Claims] 1. A cylindrical lower bearing portion is formed along a lower portion of a side end edge of a pillar-side hinge, and a lower portion of a shaft pin is fitted in the lower bearing portion so as not to be rotatable about an axis. An outer cylinder made of synthetic resin, which is inserted and is equipped with an adjusting member that supports the shaft pin to adjust the insertion depth, is penetrated by the upper part of the shaft pin and supported by the flange of the shaft pin. It is externally fitted to the lower bearing part so as to be vertically movable by sandwiching the lower part of the side end edge of the pillar-side hinge by a notch opened to the lower end of its own peripheral wall, and further on the upper side end edge of the door-side hinge. An upper bearing portion formed in a tubular shape along the shaft pin is rotatably fitted to the upper portion of the shaft pin with the upper surface of the outer casing as a seat around the shaft center of the shaft pin. A door hinge in which the height of the door hinge relative to the pillar hinge can be adjusted by moving it up and down. On the inner peripheral surface of the outer casing and the outer peripheral surface of the lower bearing portion, any one of stopper mechanisms including protrusions and vertical grooves engageable with each other is provided, respectively, A door hinge that is fitted onto the lower bearing so that it cannot be removed.