JPH09287343A - Hinge device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To make it possible to mount an arm to a mounting member at one touch with a reduced number of components, enable the prevention of the slippage of a cover plate from the arm inadvertently and to promote execution efficiency of a hinge device as well as the reduction of a cost. SOLUTION: A joint device 8 connecting an arm 2 to a mounting member is constituted of an enlargeable cylindrical body 26 mounted to the arm 2 and a stopper 25 projected to the rear side 6a of a cover plate 6 mounted to the arm 2. The stopper 25 is inserted in the cylindrical body 26 in a state to mount the cover plate to the arm 2 to enlarge the cylindrical body 26, and the cylindrical body 26 is press-contacted to an interior wall of a stopper fitting hole provided to the mounting member to hold.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge device attached to a door or the like.

[0002]

2. Description of the Related Art Conventionally, as a hinge attached to a door or the like, for example, in Japanese Unexamined Patent Publication No. 6-240941, two arms are rotatably connected via a rotating portion, and one arm is A structure is disclosed in which a pot-shaped portion to be inserted into a mounting recess of a door is provided and a tightening member is provided, and a lid plate is rotatably attached to the one arm. In this case, when the cover plate is opened, the tightening member is in a loose state, and when the cover plate is closed and pressed against the arm, the tightening member is pulled toward the arm side by the mounting pin and moved, and The crimping projection of moves upward along the curved surface of the pot-shaped part, and the tightening member expands outward and presses against the inner wall of the mounting recess of the door, so that the tightening member is in a relaxed state. To the tightened state, one arm can be mounted and held in the mounting recess.

[0003]

However, in the conventional hinge mounting structure, when the cover plate is inadvertently opened for some reason, the force pulling the fastening member is released and the fastening member is in a loose state. As a result, the tightening member and the inner wall of the mounting recess are not crimped, and there is a risk that the hinge will come off the door.

The present invention has been made in view of the above points, and the arm can be attached to the attaching member with one-touch operation with a small number of parts and by simply pressing the lid plate against the arm. The purpose of the present invention is to provide a hinge device that can prevent the plate from accidentally coming off the arm, improve workability, and reduce costs, and also carelessly stop the lid plate before mounting the arm. An object of the present invention is to provide a hinge device that can surely prevent the tool from being inserted into the tubular body on the arm side and increase the attachment strength of the lid plate to the arm after attaching the arm.

[0005]

In order to solve the above-mentioned problems, according to the present invention, a hinge 1 in which two arms 2 and 3 are rotatably connected via a rotating portion 4 and an arm 2 are attached. Member 1
In the hinge device provided with the connecting means 8 for connecting to 0, the connecting means 8 is the expandable tubular body 26 attached to the arm 2 and the back surface of the lid plate 6 attached to the arm 2. 6a, the stopper 25 is projected. The stopper 25 is inserted into the tubular body 26 with the cover plate 6 attached to the arm 2 to expand the tubular body 26 and mount it. It is characterized in that the tubular body 26 is pressed against and held by the inner wall 12a of the stopper fitting hole 12 provided in the member 10. With such a configuration, only the work of pressing the cover plate 6 against the arm 2 is performed. Thus, the stopper 25 and the tubular body 26 are pressed against and held by the inner wall 12a of the stopper fitting hole 12, and thus,
The arm 2 can be attached to the attachment member 10 with one touch without using a tool, and the stopper plate 25 and the cover plate 6 are integrated so that the cover plate 6 does not have to be accidentally detached from the arm 2.

Further, it is preferable that a spacer 5 is inserted between the cover plate 6 and the arm 2 so as to prevent the stopper 25 from being inserted into the tubular body 26. Before the arm 2 is attached, the spacer 5 can surely prevent the stopper 25 of the cover plate 6 from being accidentally inserted into the tubular body 26 on the arm 2 side. Further, when the spacer 5 is inserted, the stopper 25 is held at a position where it is not inserted into the tubular body 26, and the spacer 5 is pulled out from between the cover plate 6 and the arm 2 to attach the cover plate 6 to the arm 2. It is sometimes preferable to provide a holding means for holding the stopper 25 in a position where it is inserted and locked in the tubular body 26. In this case, before attaching the arm 2, the spacer 5 and the holding force by the holding means are provided. By carelessly, the stopper 25 of the lid plate 6
Can be reliably prevented from being inserted into the tubular body 26 on the arm 2 side, and after the arm 2 is attached, the holding force by the holding means and the tubular body 26 and the fastener fitting hole by the fastener 25. By the pressure contact holding force of 12 with the inner wall 12a, it is possible to reliably prevent the stopper 25 from coming off the tubular body 26.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION An example of an embodiment of the present invention will be described below. The hinge device of this embodiment has two arms 2,
The hinge 3 is rotatably connected to the arm 3 via the rotating portion 4, and the connecting means 8 is used to connect the arm 3 to the mounting member 10, for example, the door 10a.

The hinge 1 has one end of one vertically long arm 2 shown in FIG. 1 (hereinafter referred to as "door side arm 2") and one end of a hinge lever 50 shown in FIG. The other end of the hinge lever 50 is rotatably connected to the other horizontally long arm 3 via the rotating portion 4. The door side arm 2 has a door 10a via a connecting member 8 described later.
The arm 3 is attached to the side wall 10b of the furniture with a fastener 13. Both arms 2 and 3 are made of a rigid material such as metal or die cast.

A cover plate 6 is provided on the front surface side of the door side arm 2.
Is attached. The lid plate 6 is made of a rigid material such as metal or die casting. The cover plate 6 has substantially the same size as the flat plate-shaped portions 14, 14 of the door side arm 2,
A notch 15 is provided in a part of the outer peripheral wall of the lid plate 6, and when the hinge 1 is repaired, a minus driver can be inserted from the notch 15 to easily remove the lid plate 6. And has a role as an escape portion of the mold side core when the cover plate 6 is molded.

On the back surface 6a of the cover plate 6, a pair of stoppers 25 are formed integrally with the cover plate 6. Each stopper 25 is inserted into the tubular body 26 in a state where the cover plate 6 is placed on the door-side arm 2 to expand the tubular body 26, and
The tubular body 26 is held in pressure contact with the inner wall 12a (FIG. 3) of the small-diameter stopper fitting hole 12 provided on both sides of the mounting recess 11 of the door 10a shown in FIG. A connecting means 8 for connecting the door-side arm 2 to the door 10a is configured with a cylindrical body 26 described later. A fixing groove 27 and a temporary holding groove 28 are formed in the stopper 25 at a distance d ₁ (FIG. 3A) from the base end side to the distal end side. Fixing groove 27 and temporary holding groove 28
Thus, a holding means for holding the stopper 25 at a position where it is not inserted into the tubular body 26 or holding the stopper 25 at a position where it is inserted and locked in the tubular body 26 is configured.

Further, at the center of the door side arm 2, there is provided a lever accommodating recess 2a for accommodating the hinge lever 50 when the arms 2 and 3 are bent by 90 °. The outer surface of the place 2a is a pot-shaped portion 7 that is fitted into a mounting recess 11 provided in the door 10a. Further, flat plate-shaped portions 14 are respectively extended on both sides of the bowl-shaped portion 7, and each flat-plate-shaped portion 14 is provided with a stopper attachment hole 9, and each stopper attachment hole 9 has a cylindrical shape. A body 26 is attached.

This tubular body 26 is shown in FIG.
As shown in FIG. 6, the blade piece 26b is divided into four pieces and a connecting piece 26a for connecting the blade piece 26b. The inner wall 12a of the stopper fitting hole 12 is hard to be inserted into the tip of each blade piece 26b. 31 is provided, and the outer surface thereof is an uneven surface 31a. The inner surface of the bite portion 31 is difficult to bulge inward of the bite portion 31 and is difficult when the tip of the stopper 25 is pushed into the bite portion 31.
A bulging portion 32 is formed to protrude outward. Further, an annular small protrusion 33 is provided on the inner surface of the blade piece 26b, and the small protrusion 33 is fitted in either one of the temporary holding groove 28 and the fixing groove 27 provided in the stopper 25. It can be combined.

Further, as shown in FIG. 1, a spacer 5 for preventing the stopper 25 from being inserted into the tubular body 26 can be drawn out between the cover plate 6 and the door side arm 2. It is supposed to be intervened in. The spacer 5 is made of a sheet body slightly larger than the cover plate 6, and is made of, for example, plastic or the like. The spacer 5 is provided with stopper through holes 5a through which the pair of stoppers 25 respectively pass, and the rear end portion 5b of the spacer 5 is directed from the stopper through holes 5a toward the side opposite to the pulling direction A of the spacer 5. Is provided with a stopper escape slit 5c.

As shown in FIG. 3A, the thickness d of the spacer 5 is such that the temporary holding groove 28 and the fixing groove 27 of the stopper 25 are provided.
The thickness is set to be approximately the same as the distance d ₁ between the and. As a result, in the state of FIG. 3A in which the spacer 5 is interposed between the cover plate 6 and the door side arm 2, the stopper 25 is raised by the thickness d of the spacer 5 and the small protrusion of the tubular body 26. 33 can be held in a state of being engaged with the temporary holding groove 28, and in the state of FIG. 3B where the spacer 5 is pulled out, the stopper 25 is lowered by the thickness d of the spacer 5. The small projection 33 of the tubular body 26 can be held in a state of being engaged with the fixing groove 27. At the front end of the spacer 5, there is provided a gripping portion 5d which is protruded to the outside in a state where the spacer 5 is interposed between the cover plate 6 and the door side arm 2, and the spacer is provided in the vicinity of the gripping portion 5d. A display unit 5e is provided for cautionary notes when pulling out 5 (do not pull out before construction, pull out during construction, etc.).

Next, an example of mounting the door side arm 2 on the door 10a will be described. Before mounting the door side arm 2, a spacer 5 is interposed between the door side arm 2 and the cover plate 6 (state of FIG. 2B). At this time, as shown in FIG. 3A, the cover plate 6 is lifted by the spacer 5 from the door side arm 2 by the thickness of the spacer 5, and the small protrusion 33 of the blade piece 26b is inserted into the temporary holding groove 28 of the stopper 25. When engaged, the stopper 25 is held in a position where it is not inserted into the tubular body 26. As a result, the tubular body 26 is closed and the door 1
It can be smoothly inserted into the stopper fitting hole 12 of 0a.

In this state, the grip portion 5d of the spacer 5 is shown in FIG.
By pulling with a finger in the direction of arrow A in (b), the stopper 25 penetrating the stopper through hole 5a of the spacer 5 becomes
The spacer 5 is removed along the stopper escape slit 5c to the rear end portion 5b of the spacer 5 to remove the spacer 5 from the cover plate 6.
It can be pulled out from between the door side arm 2. After that, when the cover plate 6 is pressed against the door side arm 2, as shown in FIG.
The stopper 25 projecting from the back surface 6a of the lid plate 6 is inserted into the blade piece 26b forming the tubular body 26, and the bulging portion provided on the inner surface of the bite portion 31 at the tip of the blade piece 26b. Three
When the tip of the stopper 25 comes into contact with 2, the bite portion 31 projects outward, and the uneven portion 31a on the outer surface of the blade piece 26b is pressed into and held by the inner wall 12a of the stopper fitting hole 12. The stopper 25 and the tubular body 26 are fixed in the stopper fitting hole 12 (state of FIG. 4). At this time, the small protrusion 33 of the blade piece 26b is disengaged from the temporary holding groove 28 of the stopper 25 and engages with the fixing groove 27.
The stopper 25 is held in a state of being pushed into the tubular body 26.

As described above, the stopper 25 and the tubular body 26 are pressed and held by the inner wall 12a of the stopper fitting hole 12 only by pressing the cover plate 6 against the door side arm 2. The side arm 2 can be attached to the door 10a with one touch without a tool, and at the same time, the lid plate 6 can be attached to the door side arm 2 by integrating the lid plate 6 and the stopper 25, which greatly improves the workability. Further, there is no fear that the cover plate 6 will be accidentally detached from the door side arm 2. Stop 25
Is disposed on the back surface 6a of the lid plate 6, so that the stopper 25 is covered by the lid plate 6 and the stopper 25 is not exposed to the outside, resulting in a good appearance and, as in the conventional case,
Since it is not necessary to dispose the tightening member that is pressed against and held by the inner wall 12a of the mounting recess provided in the door on both sides of the bowl-shaped portion of the door-side arm 2, it is possible to reduce the number of parts and reduce the cost. In addition, since the lid plate 6 and the stopper 25 can be integrally formed of a rigid material such as metal, the holding force of the door side arm 2 by the stopper 25 can be improved, and the attachment strength of the door side arm 2 can be improved. Can be increased.

Further, before the door side arm 2 is attached, the stopper 25 of the cover plate 6 is inadvertently moved by the engagement force of the spacer 5, the temporary holding groove 28 and the small projection 33. It can be reliably prevented from being inserted into the tubular body 26 on the second side, and after the door side arm 2 is attached, the engaging force between the fixing groove 27 and the small protrusion 33 and the stopper 25. Of the cylindrical body 26 and the inner wall 12a of the stopper fitting hole 12
With the pressure contact holding force of and, it is possible to reliably prevent the stopper 25 from coming out of the tubular body 26, and further increase the attachment strength of the lid plate 6 to the door side arm 2.

[0019]

As described above, according to the first aspect of the present invention, the hinge in which two arms are rotatably connected via the rotating portion and the arm is connected to the mounting member. In the hinge device provided with a connecting means for connecting the arm to the arm, the connecting means comprises an expandable tubular body attached to the arm, and a stopper projecting from the back surface of the lid plate attached to the arm. , The stopper is inserted into the tubular body with the lid plate attached to the arm to expand the tubular body, and the tubular body is held in pressure contact with the inner wall of the fastener fitting hole provided in the mounting member. Since the stopper and the tubular body are pressed against the inner wall of the stopper fitting hole by simply pressing the cover plate against the arm, the arm can be attached to the mounting member with one touch without a tool. And the workability is greatly improved, and the stopper By integrating with the lid plate, there is no concern that the lid plate will accidentally come off from the arm, the number of parts can be reduced, and the lid plate and the stopper can be integrally molded with a rigid material such as metal. The holding force of the arm can be improved, the mounting strength of the arm is further improved, and the stopper is arranged on the back surface of the lid plate, so the lid plate covers the stopper and the stopper is externally attached. It will not be exposed to the outside and the appearance will be good. Further, unlike the conventional case, it is not necessary to dispose the tightening members that are pressed against and held by the inner wall of the mounting recess provided in the door on both sides of the bowl-shaped portion of the arm, so that the number of parts can be reduced and the cost can be reduced. It is possible.

According to a second aspect of the present invention, a spacer for preventing the stopper from being inserted into the tubular body is interposed between the cover plate and the arm according to the first aspect so as to be pulled out. Therefore, in addition to the effect of the first aspect, before the arm is attached, the spacer can surely prevent the stopper of the cover plate from being accidentally inserted into the tubular body on the arm side.

According to a third aspect of the present invention, when the spacer according to the second aspect is inserted, the stopper is held at a position where it is not inserted into the tubular body, and the spacer is pulled out from between the cover plate and the arm. When the plate is attached to the arm, the holding means is provided for holding the stopper at the position where the stopper is inserted and locked in the tubular body. Therefore, in addition to the effect according to claim 2, before the attachment of the arm, a spacer is provided. By the holding force of the holding means, it is possible to reliably prevent the stopper of the lid plate from being inserted carelessly into the cylindrical body on the arm side. And the pressure holding force of the stopper between the tubular body and the inner wall of the stopper fitting hole can surely prevent the stopper from coming out of the tubular body, further increasing the attachment strength of the lid plate to the arm. Is something that can be done.

[Brief description of drawings]

FIG. 1 is an exploded perspective view showing an example of an embodiment of the present invention.

FIG. 2A is an explanatory view of a door mounting recess and a stopper mounting hole, and FIG. 2B is an explanatory view of an operation of pulling out a spacer of the same.

FIG. 3 (a) is a sectional view showing a state in which the stopper is not inserted into the cylindrical body, and FIG. 3 (b) is a sectional view in a state in which the stopper is inserted into the cylindrical body.

FIG. 4 is a perspective view showing a state in which the above hinge is attached to an attachment member.

5A to 5C are a right side view, a partial rear view and a left side view of a tubular body.

6A and 6B are a side view and a rear view of a blade piece.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 hinge 2 arm 5 spacer 6 cover plate 6a back surface 8 connecting means 10 attachment member 12 stopper fitting hole 12a inner wall 25 stopper 26 tubular body

Claims (3)

[Claims] 1. A hinge device including a hinge that rotatably connects two arms via a rotating portion, and a connecting means for connecting the arms to a mounting member. It consists of an expandable tubular body attached to the arm and a stopper protruding from the back surface of the lid plate attached to the arm. The stopper has the above-mentioned tubular shape when the lid plate is attached to the arm. A hinge device that is inserted into a body to expand the tubular body, and holds the tubular body in pressure contact with an inner wall of a stopper fitting hole provided in a mounting member. 2. The hinge according to claim 1, wherein a spacer for preventing the stopper from being inserted into the cylindrical body is interposed between the cover plate and the arm so as to be pulled out. apparatus. 3. When the spacer is inserted, the stopper is held at a position where it is not inserted into the cylindrical body, and when the spacer is pulled out from between the cover plate and the arm and the cover plate is attached to the arm, the stopper is cylindrical. 3. The hinge device according to claim 2, further comprising holding means for holding the inserted body in a locked position.