JP2001355366A - Hinge - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a hinge capable of preventing the slackness of the fixing of the hinge for a long period of time even if it receives big external force such as blast or the like by improving a constitution for fixing the hinge to a door and a door mounting body for the hinge capable of being hinged for the door to the door mounting body at a specific door opening angle in a maintainable manner. SOLUTION: A second link member 3B is pivoted on a first link member 3A fixed to the door 2 through a first pivot 4B, and a third link member 3C is pivoted on the second link member 3B through a second pivot 4B. An L- shaped second holding link member 3E is pivoted on the other end side of the first link member 3A through a fourth pivot 4D, a holding side plate 1e set in a side panel 1b of the door mounting body 1 is held between a push plate 3j bent from the basic end 3i and a holding plate 3k of the second holding link member 3E, and the holding side plate is clamped with a clamping member 5 to fix.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hinge for hingedly opening and closing a door of a storage or the like for taking in and out of various articles, and is capable of holding the door in a closed state or a predetermined opening angle. A hinge (stay that keeps the door from opening unintentionally, closing the door during loading / unloading work, and preventing the door from being swung by wind. Hinge).

[0002]

2. Description of the Related Art As is known, in a conventional stay hinge A or the like, as shown in FIG.
A link member b is pivotally connected to the first and second link members a and b so as to be freely opened and closed by a shaft pin c.
A pivot control section g comprising third and fourth link members d and e and a stay mechanism section f using a coil spring or the like is provided continuously (Japanese Patent Laid-Open No. Hei 10-266686). Therefore, when this is used, the first mounting plate a1 of the first link member a is screwed to the side plate B of the door mounting body by utilizing the first mounting hole a2, and the door D is The second mounting plate b1 of the second link member b is screwed by using the second mounting hole b2.

By the way, in the case of this type of stay hinge A or the like, when the door D is pushed by the wind as described above or when a predetermined opening angle is maintained, a considerable external force is applied. Therefore, the first external force
The fixing state of the mounting plate a1 with the screw on the side plate B and the fixing of the second mounting plate b with the screw on the door D are loosened, and as a result, the durability and the mounting strength are sufficiently high. Satisfactory results cannot be obtained.

[Problems to be solved by the invention]

In the present invention, consideration has been given in view of the above-mentioned defect of the conventional hinge. Instead of simply attaching and using a pair of link members to the door mounting body and the door, respectively, the door mounting plate has to be used in advance. A side plate having a bent side plate opening on the door side is provided, and the first link member is attached to the rear end of the rear surface of the door.
For the third link member pivoted via the link member,
Further, the sandwiching side plate portion at the side plate opening is sandwiched between the linked first sandwiching link member and the second sandwiching link member pivotally supported by the first link member. An object of the present invention is to improve the durability of a hinge which receives a large external force by avoiding an unexpected damage by fixing the fastening member by tightening the fastening member so that the fixing strength can be greatly increased.

Further, in the second aspect, the same structure as that of the first aspect is adopted for a hinge provided so as to provide a stay mechanism at a desired position so that the door can be freely held at a predetermined opening angle. The purpose is to improve the durability of the hinge as described above.

According to a third aspect, in the stay hinge according to the second aspect, the first link member and the second link member are constituted by a damper, an elastic body, a locking member, or the like. By using the pivot provided with the stay mechanism, the spring and other members are not exposed to the outside. The purpose is to be able to demonstrate.

The fourth and fifth aspects of the present invention are based on the first to third aspects, and each of the fastening members is appropriately configured so as to increase the efficiency of the assembling work. I have.

[0008]

According to the present invention, in order to attain the above object, the base of the door is hinged to the side plate opening of the door mounting body so that the door can be freely opened and closed. A first link member attached to and used at the rear end of the rear surface of the door, a second link member connected to the free end of the door via a first pivot, and the other end. A third link member pivotally connected via a second pivot, a first pinching link member pivotally connected via a third pivot to the other end of the third link member, The other end of the link member and the board portion pivoted to be parallel to the first link member via the fourth pivot, and the pressing portion bent in a direction away from the first link member. A second sandwiching link member, and a side plate disposed on a base end side of the door in the door mounting body, and a leading end thereof. From the inward side plate part bent orthogonally to the free end side of the door, the first clamping is performed on the inner side surface and the outer side surface of the holding side plate portion which is bent and extended toward the first link member. It is an object of the present invention to provide a hinge having a fastening member for directly or indirectly sandwiching and abutting and fixing a link member and a pressing portion of a second sandwiching link member.

According to a second aspect of the present invention, the base end side of the door is hinged to the side plate opening of the door mounting body so that the door can be freely opened and closed, and the door can be held at a predetermined opening angle. In a hinge having a mechanism, a first link member attached to and used at a rear end of the rear surface of the door, a second link member connected to a free end side of the door via a first pivot, Second on the other end
A third link member connected via a pivot, and a first end connected via a third pivot to the other end of the third link member.
A pinch link member, a board portion pivoted to be parallel to the first link member via the other end of the first link member and a fourth pivot, and separated from the first link member therefrom A second pinching link member comprising a pressing portion bent in a direction, and a side plate disposed on a base end side of the door in the door mounting body, and a door free end side from a leading end portion thereof. From the inward side plate portion bent orthogonally to the first side, the first side link portion is bent toward the first link member, and the first side link portion and the second side link portion are respectively provided on the inner side surface and the outer side surface thereof. It is an object of the present invention to provide a hinge characterized by comprising a fastening member for directly or indirectly sandwiching and abutting and fixing a pressing portion of a sandwiching link member.

[0010] In the hinge according to the third aspect, the base end side of the door is hinged to the side plate opening of the door attachment so that the door can be freely opened and closed, and the door can be freely held at a predetermined opening angle. In a hinge having a mechanism, a first link member attached to and used at a base end of a back surface of a door, and a first link member attached to a free end side of the door.
A second link member pivotally connected via a pivot, a third link member pivotally connected via a second pivot having the stay mechanism at the other end thereof, and a third link member other than the third link member. A first pinching link member pivotally connected to the end via a third pivot, and a link between the other end of the first link member and the first link member via a fourth pivot. A second pinching link member comprising a pivoted board portion and a pressing portion bent in a direction away from the first link member therefrom; and a second pinching link member disposed on a base end side of the door in the door mounting body. From the inward side plate portion bent at right angles to the door free end side from the leading end portion of the side plate, the clamping side plate portion bent and extended toward the first link member, The first holding link member and the pressing portion of the second holding link member are directly attached to the outer side surface, respectively. Others are characterized by and the clamping wear member for fixing indirectly clamped contact is provided.

[0011] Claims 4 and 5 each show one embodiment of the structure of the fastening member according to any one of Claims 1 to 3, and the former fastening member includes the first fastening member. (1) a fastening bolt which is sequentially fitted to the sandwiching link member, the sandwiching side plate portion of the side plate, and the pressing portion of the second sandwiching link member; The second fastening member includes a nut that is fastened to the holding side plate portion, and a screw protruding from a pressing portion of the second holding link member, and the screw is a first fastening link. The threaded nut is inserted into the member, screwed into the projecting tip screw portion, and fastened to the first pinching link member.

[0012]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail with reference to FIGS. 1 to 5. The hinge disclosed herein is a stay hinge. Not only can the side 2a be hinged to open and close, but also the door 2
In a closed state as illustrated in FIG. 1 or a predetermined opening angle θ.
Various stay mechanism units S are provided for holding freely at 1, θ2. By the way, in the first embodiment, the first link member 3A used by being attached to the rear end portion 2b of the back surface of the door.
And a second link member 3B pivotally connected to the door free end side 2c via a first pivot 4A, and as shown in FIGS. 2, 4, and 5, the first link member 3A Is the mounting hole 3
3d wound on the other end of the bearing seat plate 3d
5 is provided, and the first pivot 4A is supported by the bearing seat plate 3d and the base end of the second link member 3B.

The means for attaching the first link member 3A to the door 2 may be by screwing using the attachment hole 3a, or if the door 2 is made of metal, the attachment plate 3b. May be welded to the door 2. In the figure, 3f is a first shaft bearing hole for the first pivot 4A formed in the bearing seat plate 3d.
g denotes a second shaft bearing hole formed on the base end side of the second link member 3B for the first pivot 4A as shown in FIG. Further, a second pivot 4 is provided at the other end of the second link member 3B.
A third link member 3C pivoted via B is provided,
At the other end of the third link member 3C, a third pivot 4
The first pinching link member 3D is pivoted through C.

Next, a second pinching link member 3E is connected to the other end of the above-mentioned first link member 3A. This is a substrate portion 3i provided with connecting pipes 3h, 3h vertically.
And the pressing portion 3j bent therefrom are formed in an L shape, and the fourth pivot 4D is inserted through the bearing tube 3e and the connecting tubes 3h, 3h sandwiched above and below the bearing tube 3e. Thus, the board portion 3i is connected to the first link member 3A.
When the pressing portion 3j becomes parallel to the first link member 3A
Bend in the direction away from. Here, the side plate 1b disposed on the base end side 2a of the door in the door mounting body 1 has a special bent shape, and the side plate opening 1a is provided on the side plate 1b. From the inward side plate 1d bent orthogonally toward the door free end 2 from the leading end 1c on the side, the holding side plate 1e bent and extended toward the first link member 3A described above, The inner surface 1f and the outer surface 1g are respectively provided with the first surface.
The clamping link member 3D and the pressing portion 3j of the second clamping link member 3E are formed with or without using a washer or the like.
Therefore, the fastening member 5 is provided for directly or indirectly abutting and abutting and clamping and fixing.

As described above, when the hinge according to the first aspect is used, the first link member 3A is fixed to the door 2 by means of a screw or welding means. Instead of screwing or welding the inner surface of the side plate 1b as described above, the sandwiching side plate portion 1e formed on the side plate 1b is sandwiched between the first sandwiching link member 3D and the second sandwiching link member 3E. Since it is configured so as to be sandwiched and fixed by the fastening member 5, the fixing strength is large, and even if the door 2 is swung by the wind, it can sufficiently withstand. In the illustrated example, the corner bent portion 2d extends from the base end side 2a of the door 2 to the leading end 1c of the side plate 1b, and the bearing tube 3e of the first link member 3A is connected to the corner bent portion 2d. Since the pressing is performed, the strength of the first link member 3A in the fixed state with respect to the door 2 can be further reinforced. Here, the illustrated first pinching link member 3D is composed of a pinching plate 3k and a pair of pivoting seat plates 3m, 3n protruding from the center in the vertical mounting direction, and the pivoting link plate 3m. , 3n
The other end of the third link member 3C sandwiched therebetween is connected by a third pivot 4C, and is fastened to the sandwiching plate 3k for a fastening member 5 described later in detail. A pair of holes 3p are formed in a vertical arrangement, and opposed to the holes 3p, the pressing plate 3j of the second pinching link member 3E is also formed in the fastening holes 3p.
q is drilled.

Here, the second aspect is different from the first aspect in that a function as a stay hinge is provided by adding the stay mechanism S to the structure. A known or new mechanism s may be selected and installed at a desired position of the above-described component. further,
In the case of claim 3, the stay mechanism s is specified. That is, the stay mechanism s is built in the second pivot 4B used for connecting the other end of the second link member 3b and the third link member 3c. As the stay mechanism s, a coil spring as in the conventional example or a damper using a viscous fluid can be employed, thereby holding the door 2 at a desired door opening angle. Or by incorporating a mechanism or the like for canceling this state.

Here, the contents disclosed in claim 4 as one embodiment of the fastening member 5 according to claim 1 to claim 3 will be described. As shown in FIG. A fastening bolt 5a sequentially fitted to the holding side plate portion 1e of the side plate 1b, and further to the pressing plate 3j of the second holding link member 3E, and the fastening bolt 5a
To the first pinching link member 3D or vice versa.
j, and a nut 5b to be fastened to any of the j. At this time, in the illustrated example, the fastening member 5 is connected to the pair of fastening bolts 5a as described above.
The purpose of the fastening is achieved by using the fastening holes 3p and the fastening holes 3q.

On the other hand, the fastening member 5 according to claim 5
As shown in FIGS. 2 and 3, the screw rod 5c is provided so as to project orthogonally from the pressing part 3j formed on the second pinching link member 3E as disclosed in FIGS. And a threaded nut 5e which is inserted into the link member 3D, screwed into the projecting tip screw portion 5d, and fastened to the first pinching link member 3D. The holding side plate portion 1e of the side plate 1b can be firmly fastened with a reliability equal to or higher than that of the wearing member.

[0019]

Since the present invention is constructed as described above, according to the first aspect, the first holding link member and the second holding link member form the holding side plate portion in the door mounting. By fastening with the fastening member and fixing this and the first link member to the door, the attachment strength can be sufficiently enhanced, and even if the hinge is subjected to a large external force, it will not have sufficient strength. Durability can be secured,
The problem that the attachment state is relaxed for a long time can be solved.

According to a second aspect of the present invention, a stay mechanism is added to the configuration of the first aspect, so that in addition to the effect of the first aspect, a door hinge which is also desirable as a stay hinge is provided. It is possible to combine the function of holding the predetermined opening angle, and in the third aspect, the stay mechanism is built in the second pivot that links the second and third link members. The product value can be improved in appearance, there is no need to worry about pinching the fingertip by the coil spring in the stay mechanism, and a damper using viscous fluid is used as the stay mechanism, and the desired opening angle can be obtained. Can be easily realized, and a mechanism or the like for releasing this state can be easily realized.

Next, it is of course possible to adopt various members as the fastening member in the first to third aspects. Can be screwed in from any side, and the workability is good. When the fastening bolt according to claim 5 is used, the screwed rod is fixed to the second clamping link member in advance. The operability can be improved because the screw nut may be inserted and the threaded nut may be screwed into the tip screw portion.

[Brief description of the drawings]

FIG. 1 is a plan view showing one embodiment of a hinge according to claims 1 to 3 of the present application using the fastening member according to claim 4;

FIG. 2 is a plan view showing one embodiment of the hinge according to claims 1 to 3 of the present application using the fastening member according to claim 5;

FIG. 3 is a front view of the hinge shown in FIG. 2;

FIG. 4 is an exploded perspective view of the hinge shown in FIG.

FIG. 5 is a perspective view of the hinge shown in FIG. 1 in a contracted state.

FIG. 6 is an explanatory perspective view showing an example of a stay hinge according to a conventional example.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door mounting body 1a Side plate opening 1b Side plate 1c Outgoing side end 1d Inward side plate 1e Nipping side plate 1f Inner side 1g Outer side 2 Door 2a Base end 2b Door rear end 2c Door free end 3A 1st link member 3B 2nd link member 3C 3rd link member 3D 1st pinching link member 3E 2nd pinching link member 3i Board part 4A 1st axis 4B 2nd axis 4C 3rd axis 4D 4th axis 5 Fastening Bolt 5a Tightening bolt 5b Nut 5c Screw 5d Tip thread 5e Screw nut θ1 Door opening angle θ2 Door closing angle S Stay mechanism

Claims (5)

[Claims] A first link member attached to a base end of a back surface of a door for use in a hinge in which a base end of a door is hinged to an opening of a side plate of a door mounting body so that the door can be opened and closed freely. A second link member connected to the free end side of the door via the first pivot, a third link member connected to the other end via the second pivot, and a third link member. A first pinching link member pivotally connected to the other end via a third pivot, and the other end of the first link member and the first link member via a fourth pivot so as to be parallel to the first link member. A second pinching link member including a pivoted board portion and a pressing portion bent in a direction away from the first link member, and a second pinching link member disposed on a base end side of the door in the door mounting body. From the inward-facing side plate portion bent orthogonally from the leading end portion to the free end side of the door toward the first link member. The first and second pinching link members and the pressing portions of the second pinching link members are directly or indirectly pinched on the inner side surface and the outer side surface of the pinching side plate portion that is bent and extended. A hinge comprising a fastening member for abutting and fixing. 2. A hinge provided with a stay mechanism for hingedly attaching a base end side of a door to an opening of a side plate of a door mounting body so that the door can be freely opened and closed and capable of holding the door at a predetermined opening angle. , A first link member attached to and used at a rear end of the rear surface of the door, a second link member connected to a free end of the door via a first pivot, and a second link member at the other end. A third link member connected via a pivot, a first pinching link member connected via a third pivot to the other end of the third link member, and a third link member connected to the third link member via the third pivot. A second portion includes a substrate portion pivoted to be parallel to the first link member via the other end portion and the fourth pivot, and a pressing portion bent in a direction away from the first link member. In the pinch link member, in the side plate disposed on the base end side of the door in the door mounting body,
From the inward side plate portion bent orthogonally to the door free end side from the leading end portion, the holding side plate portion bent and extended toward the first link member is provided on the inner side surface and the outer side surface, respectively. A hinge, comprising: a fastening member for directly or indirectly sandwiching and abutting the first clamping link member and the pressing portion of the second clamping link member. . 3. A hinge having a stay mechanism for opening / closing a door at a side plate opening of a door mounting body by hinged a base end side of the door and enabling the door to be held at a predetermined opening angle. , A first link member attached to and used at the rear end of the rear surface of the door, a second link member pivotally connected to the free end of the door via a first pivot, and A third link member pivotally connected via a second pivot having the stay mechanism, and a first pinching link member pivotally connected via a third pivot to the other end of the third link member. And a board portion pivoted to be parallel to the first link member via the other end of the first link member and the fourth pivot, and to be bent in a direction away from the first link member. And a side plate disposed on the base end side of the door in the door mounting body. And the inward side plate portion bent orthogonally from the leading end to the free end of the door.
With respect to the holding side plate portion bent and extended toward the link member, the first holding link member and the pressing portion of the second holding link member are directly or indirectly attached to the inner surface and the outer surface, respectively. A fastening member for pinching, abutting and fixing to the hinge. 4. A fastening bolt which is fitted to a first fastening link member, a sandwiching side plate portion of a side plate, and a pressing portion of a second fastening link member, and is screwed to the fastening bolt. 4. The hinge according to claim 1, further comprising a first fastening link member or a nut fastened to the holding side plate. 5. The fastening member includes a screw rod protruding from a pressing portion of the second pinching link member, and the screw rod is threaded into the first pinching link member and screwed into a protruding tip screw portion. 4. The hinge according to claim 1, further comprising a threaded nut fastened to the first pinching link member.