JP2930871B2 - Hinge - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge used for furniture and the like.

[0002]

2. Description of the Related Art FIG. 6 is a sectional view showing a conventional hinge for furniture. This hinge for furniture is one proposed by the present applicant (Japanese Utility Model Laid-Open No. 4-134379),
The attachment piece 6 to the door 4 and the attachment piece 6a to the door 4
6 so as to be freely rotatable. The mounting piece 6 attached to the box main body 5 includes a pin shaft mounting portion 63 having a tip wound around a pin shaft 66, a flat contact surface portion 62 continuous with the base end of the pin shaft mounting portion 63, and a flat contact surface portion 62. And a flat mounting portion 61 that is continuous with the tip. The mounting piece 6a for the door includes a pin shaft mounting portion 65 having a distal end wound around the pin shaft 66, and a flat mounting portion 64 connected to the base end of the pin shaft mounting portion 65. The flat mounting portions 61 and the flat mounting portions 64 each having a certain thickness are tightly fitted to the hole portions 51 and 41 having a certain depth and a substantially semicircular flat shape provided on the box body 5 and the door 4, respectively. It is shaped to fit into The flat mounting portions 64, 61 are provided with a plurality of mounting through holes 61a, 64a in the plane, respectively.

In use, a flat mounting portion 61 is fitted in a hole 51 provided in the box body 5 in advance, and a flat mounting portion 64 is fitted in a hole 41 provided in the door 4 in advance. Fit. Thereby, proper positioning to the door 4 and the box main body 5 can be performed, and this proper positioning state is temporarily stopped. In this temporarily fixed state, screws are screwed into through holes 61a, 64a in the planes of both flat mounting portions 61, 64, thereby fixing both flat mounting portions 61, 64 to door 4 and box body 5, respectively. .

[0004]

In a conventional furniture hinge, a flat mounting portion is directly fitted into a hole provided in a door and a box body in advance, and a through hole provided in the plane of the flat mounting portion. Screws are inserted through holes. For this reason, in the door and the box body, the thickness of the portion corresponding to the hole is reduced by the depth of the hole, and a screw with a short screw leg length must be used, and the fastening force is weak and it is easy to come off. is there. In addition, since the opening interval of the plurality of through holes provided in the small area of the flat mounting portion is narrow, the screw interval (screw pitch) for fastening is short and close to a single point, and the fastening force in the rotating direction is weak. . Further, the holes (temporary fixing holes) provided in the door and the box main body are near the edge of the door and the edge of the box main body, and stop in the plane of the flat mounting portion fitted into these holes. The positions of the driving screws to be attached are naturally extremely close to the end of the door and the opening end of the box body, respectively, so that the screw driving may damage the end of the door and the opening end of the box body. There were disadvantages.

SUMMARY OF THE INVENTION The present invention solves the above-mentioned problems, and can use a fixing screw having a long screw foot, can be firmly fastened, has a wide pitch interval of the fixing screw, has a function of preventing rotation, and has a door end. It is an object of the present invention to provide a hinge that does not have a risk of damaging the opening end of the box and the box body.

[0006]

In order to achieve this object, the hinge according to claim 1 of the present invention has the following structure. The hinge is formed by continuously forming a right-angled flat plate-shaped contact surface at the base end of the flat-plate pin shaft mounting portion whose tip is rotatably wound around the pin shaft, and provided on the box body at the tip of the flat plate-shaped contact surface. Provision is made for a temporary fixing fitting bulging portion to be fitted into the hole, and a horizontal flange portion is protruded from the periphery of the opening of the fitting bulging portion. A fitting piece to be attached to the box body having a through hole for attachment and a hole provided in the door at the base end of the flat pin shaft mounting portion whose tip is rotatably wound around the pin shaft. A temporary bulging portion for provisional fixing is provided, a horizontal flange portion is protruded from the periphery of the opening of the fitting bulging portion, and a mounting through hole is formed at an appropriate position in the plane of the protruding end of the horizontal flange portion. And a mounting piece for the door.

[0007] In the hinge having such a configuration, the temporary fixing fitting bulging portion is fitted into the hole provided in the door and the hole provided in the box body, respectively. Thereby, both mounting pieces are temporarily fixed to the door and the box body, respectively. In this state, the horizontal flange portions are in contact with the outer peripheral surfaces of the holes of the door and the box body, respectively. Therefore, the thickness of the door and the box body corresponding to the horizontal flange portion is sufficient irrespective of the hole portion, so that screws with long screw legs can be fastened and can be firmly attached. In addition, a plurality of through holes for screw insertion are provided at the protruding end of the horizontal flange portion, and the gap between the through holes is not allowed to exhibit a detent function, but rather than the end of the door and the box main body. Since it is at a distant position, there is no fear that the door end and the box body end may be damaged by screwing.

The hinge according to claim 2 has the following configuration. The hinge is formed continuously with a temporary fixing fitting bulging portion which fits into a hole provided in the door at the base end of the flat plate pin shaft mounting portion whose tip is rotatably wound around the pin shaft. A mounting piece for a door having a horizontal flange portion projecting from the periphery of the opening of the fitting bulging portion, and a through hole for mounting formed at an appropriate position in the plane of the protruding end of the horizontal flange portion, A right-angled flat plate contact surface is continuously formed at the base end of the flat-plate pin shaft mounting portion that is rotatably wound around the shaft, and the mounting plate for the box body is formed at the right end at the tip of the flat plate contact surface. And a mounting piece to a box body having a mounting through-hole formed in a front end surface of the mounting plate portion.

In the hinge having such a configuration, the temporarily-fitting bulging portion of the mounting piece on the door side is fitted into the hole provided in the door. Thereby, the mounting piece on the door side is temporarily fixed to the door. In this state, the horizontal flange portion of the mounting piece on the door side is in contact with the outer peripheral surface of the hole of the door. Therefore,
The thickness of the door corresponding to the horizontal flange has a sufficient thickness irrespective of the hole, and a screw with a long screw foot can be fixed. In this state, the door is brought close to the opening surface of the box body, and the mounting piece on the box body side is brought into contact with the inner wall surface of the box body. That is, the flat mounting plate is brought into contact with the inner wall surface, screws are screwed through the through holes of the mounting plate, and the mounting piece on the box body side is fixed to the box body. In this case, the mounting piece on the box body side is not temporarily fixed, but since the mounting piece on the door side is completely fixed,
Even if the position of the hole provided in the door is slightly displaced, it is not easy to fix it to the box body, and even if it is slightly displaced, it is simply attached to the inner wall surface of the box body The displacement can be adjusted on the plate side, and the door can be completely closed.

[0010]

FIG. 1 is a perspective view showing a specific embodiment of a hinge according to claim 1 of the present invention.

The hinge is a piece 1 attached to the box body 5.
And a pin 2 for pivotally connecting the mounting pieces 1 and 2 to the door 4. The mounting piece 1 attached to the box main body 5 has a rectangular flat plate-shaped pin shaft mounting portion 12 whose tip is rotatably wound around the pin shaft 3, and a base end portion of the pin shaft mounting portion 12 is bent at a right angle. Plate-shaped contact surface portion (flat plate-shaped vertical plate portion) 11 and plate-shaped contact surface portion 1
1 is formed by bending a front end portion (lower end portion) of the fitting swelling portion 13 at a right angle in the horizontal direction, and has a substantially semicircular planar shape. The horizontal flange portion 14 protrudes in the direction, and mounting through holes 15 provided in the plane of the protruding end portion of the horizontal flange portion 14. The temporary fixing fitting bulging portion 13 has a peripheral wall 13a projecting downward from an outer peripheral edge of a substantially semicircular plate body that is perpendicular to the lower end portion of the flat contact surface portion 11, and is provided with a flat contact surface portion. 1
A portion corresponding to the lower end of the cutout 1 is notched and opened, and the lower surface is set as a bulging portion having an opening 13b. The temporarily-fitting bulging portion 13 is provided with a hole 51 provided in the box body 5 in advance.
To fit. As shown in FIG. 2, the hole 51 has a shape and a depth corresponding to the temporarily fixing fitting bulging portion 13, and the fitting bulging portion 13 fits tightly. In this fitted state, the horizontal flange portion 14 comes into contact with the outer peripheral surface of the hole 51 of the box body 5. The horizontal flange portion 14 is provided so as to protrude outwardly, and the through holes 15 are provided on both sides of the protruding tip portion of the horizontal flange portion 14.
5 is set to be as large as possible, and is set at a position farthest from the pin shaft 3, that is, a position farthest from the flat contact surface portion 11.

The mounting piece 2 to the door 4 has a rectangular flat plate-shaped pin shaft mounting portion 21 whose tip is rotatably wound around the pin shaft 3, and a base end portion of the pin shaft mounting portion 21. Is temporarily bent at right angles in the horizontal direction, and has a substantially semicircular planar fitting fitting bulging portion 22, and a horizontal flange integrally projecting outward from the lower edge of the opening of the fitting bulging portion 22. Part 23,
Mounting through holes 24 and 14 provided in the plane of the horizontal flange portion 23. The temporary fixing fitting bulging portion 22 has a peripheral wall 22 a protruding downward from an outer peripheral edge of a substantially semicircular plate body that is perpendicular to the lower end of the pin shaft mounting portion 21. A portion corresponding to the lower end of the opening 22 is notched and an open lower surface is set as a bulging portion of the opening 22b. The fitting bulging portion 22 for temporary fixing is provided with a hole 41 provided in the door 4 in advance.
To fit. As shown in FIG. 2, the hole 41 has a shape and a depth corresponding to the fitting bulging part 22, and the fitting bulging part 22 fits tightly. In this fitted state, the horizontal flange portion 23 comes into contact with the outer peripheral surface of the hole 41 of the door 4. Further, the horizontal flange portion 23 is provided so as to protrude outwardly, and the through holes 24, 24 are provided on both sides of the protruding tip portion of the horizontal flange portion 23, so that the opening interval between the two through holes 24, 24 is maximized. And a position farthest from the pin shaft 3, that is, a position farthest from the pin shaft mounting portion 21.

[0013] The hinge having such a configuration is used for knockdown products such as a record rack and a color box (the box body and the door are sold separately while being separated from each other.
Screws are included as accessories, and are used for products in which the purchaser assembles unit parts at home. To attach (assemble) the door 4 to the box body 5 using this hinge,
As shown in FIG. 2, the corresponding temporary fixing fitting bulging portions 22 and 13 are fitted into the hole portion 41 provided on the door 4 and the hole portion 51 provided on the box body 5. Thereby, both mounting pieces 1 and 2 are temporarily fixed to the door 4 and the box body 5, respectively. In this state, each horizontal flange 2
3 and 14 are the holes 4 of the door 4 and the box body 5, respectively.
1, 51 are in contact with the outer peripheral surface of the opening. Therefore, the thicknesses of the door 4 and the box body 5 corresponding to the two horizontal flange portions 23 and 14 have a sufficient thickness irrespective of the depth of the hole portions 51 and 41, and screws with long screw legs can be fixed. Can be firmly attached (see FIG. 3). Door 4, box body 5
Plural through holes 1 for inserting screws of both mounting pieces 1 and 2
5, 15, and 24, 24 are provided at the protruding ends of the horizontal flange portions 14, 23, respectively, and the through holes 15,
Each of the intervals 15, 24, and 24 exerts a detent function. Further, since the two through holes 15, 15 and 24, 24 are located relatively far from the ends of the door 4 and the box main body 5, respectively, the end of the door 4 and the end of the box main body 5 due to screw driving are not damaged. There is no fear. In the state where the door 4 is closed, as shown in FIG. 2, the flat contact surface portion 11 (the portion in contact with the opening end surface of the box body 5) 11 of the attachment piece 1 to the box body is fitted and bulged. Lower opening 2 of part 22
2b, and is flush with the horizontal flange portion 23. That is, only the thickness of the horizontal flange portion (flat contact surface portion 11) 23 is interposed between the closed door 4 and the opening surface of the box main body 5, and the closed gap between the door 4 and the box main body 5 is formed. Is extremely small.

FIG. 4 is a perspective view showing a specific embodiment of the hinge according to the second aspect of the present invention. This hinge has substantially the same configuration as that of the hinge embodiment of the first aspect (the hinge of FIG. 1). Therefore, a detailed description of the entire configuration is omitted. As shown in FIG. 4, the configuration of the attachment piece 2 to the door 4 is the same as that of the above embodiment (the hinge shown in FIG. 1). The feature of this hinge lies in the mounting piece 1 to the box body 5. The mounting piece 1 has a flat rectangular contact surface 11 continuously formed on the base end of a flat pin shaft mounting portion 12 whose tip is rotatably wound around the pin shaft 3. A flat mounting plate portion 14A, which is in contact with the box body 5, is formed continuously at a right angle at the front end of the box 11, and a mounting through hole 15 is formed in the front surface of the mounting plate portion 14A. In other words, the mounting piece 1 of the hinge to the box body 5 does not have the temporary fixing fitting bulging portion, and the through holes are formed on both sides of the outer peripheral end of the flat mounting plate portion 14A which protrudes outwardly. 15, 15 are provided.

In the hinge having such a configuration, as shown in FIG. 5, a temporarily swelling fitting bulging portion 22 of the mounting piece 2 on the door 4 is fitted into a hole 41 provided in the door 4. I do. Thereby, the mounting piece 2 on the door side is temporarily fixed to the door 4. In this state, the horizontal flange 23 of the door-side mounting piece 2 is in contact with the outer peripheral surface of the hole 41 of the door 4. Therefore, the thickness of the door 4 corresponding to the horizontal flange portion 23 has a sufficient thickness irrespective of the depth of the hole portion 41, and a screw having a long screw foot can be fixed. In this state, the door 4 is brought close to the opening surface of the box body 5, and the mounting piece 1 is brought into contact with the inner wall surface of the box body 5. That is, the mounting plate portion 14A is brought into contact with the inner wall surface, and the through holes 15, 1 and 2 of the mounting plate portion 14A are formed.
A screw is screwed in from 5 to fix the mounting piece 1 to the box body 5. In this case, the attachment piece 1 on the box body side is not temporarily fixed, but the attachment piece 2 on the door side is completely fastened, so that the work of fastening to the box body 5 is easy.
Further, since the mounting piece 1 to the box main body does not have the temporary fixing fitting swelling portion, and simply attaches the flat mounting plate portion 14A to the box main body 1 and fastens the screw, the mounting piece 1 is attached to the door 4 side. Even if the provided holes are slightly displaced, the mounting plate 1 to be brought into contact with the inner wall surface of the box body 5
By adjusting the contact surface position (screw fastening position) of 4A, it can be adjusted so that the door can be properly closed.

[0016]

In the hinge according to the first aspect of the present invention, a temporary fixing fitting bulging portion is provided on both mounting pieces, and the horizontal flange portion protrudes outward from the fitting bulging portion. The through-holes are provided on both sides of the tip protruding portion, so that the fitting bulging portion is fitted to the hole portion to the door and the box body, and the mounting piece is temporarily fixed, and the outer peripheral surface of the hole portion is provided. Since a screw is driven into the through-hole located at the position (1), a screw having a long screw foot can be used, and a firm fastening can be realized. In addition, since the through holes of each mounting piece have a large opening interval and are far away from the pin axis position, they exhibit a detent function and are damaged by screws that secure the ends of the door and box body. There is no danger. Further, in the hinge according to the second aspect of the present invention, a temporary fixing fitting bulging portion is provided on a piece attached to the door, and a tip end protruding portion of a horizontal flange portion protruding outward from the fitting bulging portion. Since the through holes are provided on both sides and the mounting piece to the box body is provided with through holes on both sides of the tip of the flat mounting plate, the hinge itself is temporarily fixed by the mounting piece to the door, It is not easy to attach the mounting piece to the box body, and even if the hole provided in the door is slightly displaced, the contact surface of the mounting piece of the mounting piece to the box body The present invention has an excellent effect of achieving the object of the invention, such as adjusting the position and achieving proper closing of the door.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a hinge according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a main part showing a state where an embodiment hinge is attached.

FIG. 3 is an explanatory diagram showing an open / closed state of a door attached by an embodiment hinge.

FIG. 4 is a perspective view showing a hinge according to the second embodiment;

FIG. 5 is a cross-sectional view of a main part showing a state where an embodiment hinge is attached.

FIG. 6 is a sectional view showing a conventional hinge.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Attachment piece to a box body 2 Attachment piece to a door 3 Pin shaft 13 Temporary fixing fitting swelling part 14 Horizontal flange part 15 Mounting through hole 22 Temporary fixing fitting swelling part 23 Horizontal flange part 24 Mounting Through-hole 14A Flat mounting plate

Claims (2)

(57) [Claims] 1. A flat contact surface portion, which is in contact with an opening end surface of a box main body, is formed continuously at a right angle at a base end of a flat pin shaft mounting portion whose tip is rotatably wound around a pin shaft. At the tip of the flat contact surface portion, a temporary fixing fitting bulging portion to be fitted into a hole provided in the box main body is provided, and a horizontal flange portion is protrudingly provided at an opening periphery of the fitting bulging portion, A mounting piece to the box body having a mounting through hole formed at an appropriate position in the plane of the protruding end of the horizontal flange, and a flat pin shaft mounting portion whose tip is rotatably wound around the pin shaft. At the base end, a temporary fixing fitting bulging portion to be fitted into the hole provided in the door is provided, and a horizontal flange portion is protrudingly provided at an opening peripheral edge of the fitting bulging portion, and the horizontal flange portion protrudes. A hinge comprising a mounting piece to a door having a through hole for mounting formed at an appropriate position in the plane of the end. 2. A temporary fixing fitting bulging portion which fits into a hole formed in a door at a base end of a flat pin shaft mounting portion whose tip is rotatably wound around a pin shaft. A mounting piece to a door having a horizontal flange portion projecting from the periphery of the opening of the fitting bulging portion, and a through hole for mounting formed at an appropriate position in the plane of the protruding end of the horizontal flange portion; A flat plate-shaped contact surface in contact with the opening end surface of the box body is continuously formed at a right angle on the base end of the flat plate-shaped shaft mounting portion rotatably wound around the pin shaft. A hinge comprising: a mounting plate for mounting to a box body formed continuously at a right angle at an end of the box main body; and a through hole for mounting formed in a front end surface of the mounting plate.