JP2736488B2 - Hinge that can be used for flap doors, etc. - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to, for example, storing a flap door in a parallel state directly below a top plate of a cabinet or the like.
After opening the opening of the cabinet etc., pull out this flap door to the front side, lower it and close it, or simply release it, the flap door will slowly rotate down by the action of the damper The present invention relates to a hinge that can be used for a flap door or the like suitable for closing the opening.

[0002]

2. Description of the Related Art Conventionally, a flap door is mounted on a door mounting body such as a cabinet or the like so that an opening thereof can be freely opened and closed.
A guide means such as a slide rail is attached by a pair of screws and the like, a mounting bracket is mounted on the inner rail or the like which can travel freely, and an interlocking plate is continuously provided between the pair of mounting brackets. And the hanging point of the flap door are pivoted by a hinge.

[0003] When the flap door is pulled out from the open state of the door mounting body in which the flap door is pushed directly below the top plate, the receiving roller is provided separately on the left and right side plates of the door mounting body. , While supporting the above-mentioned flap door, holding the horizontal state, and moving the interlocking plate to the near side together with the inner rail etc. on the slide rail,
The flap door pulled out to a predetermined position by this movement is then rotated and lowered by the hinge, and the opening of the door mounting body can be freely closed by the flap door.

[0004]

As described above, in the conventional flap door, in order to attach it to the door mounting body, several members such as a slide rail, a hinge, an interlocking plate, and a mounting bracket must be used. In addition, since the slide rails and the like must be mounted in a narrow place inside the cabinet or the like, the work is extremely difficult, and the work is complicated and troublesome.

In order to close the flap door slowly, a separate damper must be installed. However, the work of installing the damper is troublesome, and this requires time and labor. There is also.

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned problems of the prior art. According to the first aspect, the present invention is mounted on a mounting surface such as a left and right side plate of a mounting body such as a door mounting body with a screw or the like. With the work, the work of attaching the rail member to the opening / closing member such as the flap door, and the work of merely loading the rail member into the rail holding portion, the opening / closing member can be easily and quickly attached to the attached body. That is the first purpose.

Further, the four members of the fixing member, the first arm, the second arm, and the rail holding portion attached to the mounting surface are connected to first, second, third, and fourth horizontal shaft pins. While being pivotally connected at the joint, the connecting member fixed to any one of the fixing member, the first arm and the second arm and the rail holding portion are separated from each other or are connected in a straight line. By rotating the opening / closing member from a state in which the opening / closing member attached to the rail member closes the opening of the attached body to a horizontal state or the like, the pushing operation of the opening / closing member is performed. Therefore, the rail member can be pushed from the rail holding member to the connecting member so as to be freely movable, and thereby the smooth opening and closing movement of the opening and closing member by the flap door or the like is to be ensured.
Is the purpose.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, a damper, in which a braking force acts on rotation of the third horizontal shaft pin, is incorporated in the rail holding portion. At the time of closing such that the opening / closing member pivots down from the horizontal state in which the opening / closing member is pulled out, the damper is operated so that the gradual closing is performed, and it is not necessary to attach a separate damper. The goal is to eliminate it.

According to a third aspect of the present invention, an internal spring is added to the fixed main body in the configuration of the first aspect, whereby the elastic force of the spring is appropriately applied to the base end of the second arm. By doing so, while preventing the unintended opening operation by allowing the opening and closing member to be able to hold the closed state by itself, when the opening and closing member is in a horizontal state, the state is held, To make the pushing operation of the opening and closing member safe and easy to perform,
That is the purpose.

[0010] In the case of the fourth aspect, a retaining mechanism for preventing the rail member from unintentionally falling out of the rail holding member provided in the first aspect is provided. By appropriately disengaging the seesaw member pivotally attached to the horizontal shaft pin and the stopper provided on the rail member, by operating this seesaw member, the rail member, that is, the rail member, was attached to the rail member. Attempts have been made to allow a flap door or the like to be pulled out of the rail holding member in a timely manner and removed from the attached body.

[0011]

In order to achieve the above object, according to the present invention, there is provided a fixed body attached to a mounting surface such as a side plate of a body to be mounted, and a first body attached to a back side of the fixed body.
A first arm having a base end pivotally attached thereto so as to be rotatable in one direction, such as up and down, by a horizontal shaft pin; and a second arm located on the front side of the fixed body and rotatable in the same direction by a second horizontal shaft pin. A second arm having a base end pivotally attached thereto, and a rail holding portion having a base end pivotally attached so as to be rotatable in the same front direction by a third lateral shaft pin provided on the distal end side of the first arm. And a front end portion of the second arm is pivotally attached to the rail holding portion by a fourth lateral shaft pin so as to be rotatable in the same front direction, and the first arm, the fixed main body, and A connecting member fixed to any one member of the second arm; and a rail holding portion which is provided so as to be slidable in the longitudinal direction by being prevented from escaping to the near side by a retaining mechanism, and to be slidable in the longitudinal direction. And a rail member to be attached and attached. The first, second, third, and fourth horizontal shafts are openable and closable from a closed state in which the opening / closing member closes an opening of the attached body to an extended position in which the opening / closing member is opened at a desired angle toward the near side. When the pin is positioned, the rail holding portion can be connected to the connecting member in a straight line, and the rail member is moved from the rail holding portion to the connecting member by pushing the opening / closing member to the back in this state. And a hinge which can be used for a flap door or the like, wherein the hinge is slidable by a predetermined length until the vehicle enters a straddling state.

According to a second aspect of the present invention, in addition to the configuration of the first aspect, the rail which is detached from the connecting member at the extended position is provided at the projecting portion of the rail holding portion from the rail member. The content is that a damper that exerts a braking force against the rotation of the third horizontal shaft pin when the member closes together with the opening / closing member is incorporated.

According to a third aspect of the present invention, in addition to the configuration of the first aspect, the pressing member is fitted into the cavity of the fixed body so as to be slidable therein, and is pressed toward the front side. The second end of the second arm pivotally attached to the fixed body by a second lateral axis pin is located at a position outside the second lateral axis pin and fixed to the second arm. The provided shaft pin is slidably fitted in a long hole formed in the pressing element and extending in the radial direction so as to be slidable, and the spring is pressed by the pressing element to elastically support the second arm. By that
At the closed position of the opening / closing member and the extended position, the rail members are capable of self-holding, respectively.

According to a fourth aspect of the present invention, in addition to the first aspect, a retaining mechanism provided on the rail holding portion is pivotally attached to a fourth horizontal shaft pin, and has an operating portion on the front side and an elastic body on the back side. A seesaw member having a locking portion receiving a pressing force, and a rail member stopper fitted to the rail holding portion,
By making the rail member enter the back side, the stopper can be engaged with the locking opening of the locking portion, and the operating member of the seesaw member opposes the elastic force of the elastic body. The content is that the locking portion can be changed freely and the locking between the locking port and the stopper can be released.

[0015]

The fixing member is attached to a mounting surface such as a side plate, and the rail member is attached with an opening / closing member such as a flap door using a screw or the like, which closes the opening of the attached body.
When this is opened such that its free end is pulled toward the front side, the first arm, the second arm and the rail holding portion are arranged in the first, second, third and fourth horizontal directions with respect to the fixed body. Each pivots at a pivot point, which is a shaft pin, as a node, and as a result, the opening / closing member is opened by a predetermined angle to be in an open state extending from the attached body.

As a result, the rail holding portion has its protruding portion pressed against the fixed main body, and is continuously connected to the connecting member in a straight line. In this state, the rail member is pushed backward. For example, the rail member is guided by the rail holding portion and slides by a predetermined length until the rail member is put on the connecting member. The opening is completely open.

Next, from the opened state, the opening / closing member is pulled out to the near side, whereby the rail member is pulled out from the connecting member and shifts to the rail holding portion. When the opening / closing member pulled out is closed in this state, the rail holding portion can be bent and lowered separately from the connecting member. As a result, the first arm, the second arm The arm and the rail holding portion are moved in a direction opposite to the above-described opening state by using the first, second, third, and fourth horizontal shaft pins as nodes, and the opening / closing member returns to the closed state.

Next, when a damper utilizing a high-viscosity fluid is incorporated in the projecting portion of the rail holding portion projecting from the rail member, the extension member is extended. If you let go of this in position,
The damper is operated by the rotation of the third horizontal shaft pin, and therefore, a braking force against the rotation and lowering of the opening / closing member is exerted. As a result, the opening / closing member slowly closes, and the opening of the opening is closed as described above. The closed state is completed.

According to the third aspect of the present invention, the spring presses the base end of the second arm in the cavity of the fixed body via the presser provided inside, so that the second arm is provided with the second horizontal shaft pin. When the opening / closing member is held in the closed position by the elasticity of the spring, and the opening / closing member is in the extended position at a desired angle. Even in the open state, the rail holding portion is held in a straight line in a pressed state against the connecting member, the extending position of the opening / closing member is held, and the rail holding portion is unwillingly held against the connecting member. Does not become bent.

According to the fourth aspect of the present invention, not only does the above-described retaining mechanism prevent the rail member from simply falling off the rail holding portion, but also a seesaw member, an elastic body, When the rail member is fitted to the rail holding portion, the stopper is engaged with the locking hole of the seesaw member, and the stopper serves as a retaining mechanism. Not only that, the push-pull operation of the seesaw member can release the lock between the locking port and the stopper, which completely removes the opening / closing member from the attached body, and various cleaning and repairs. It is also convenient to do such things.

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described with reference to the case where the illustrated flap door is an opening / closing member. As shown in FIGS. The fixing body 1 is attached to the mounting surface B of the
a, the constituent members are the fixed body 1, the first arm 2, the second arm 3,
The rail holding portion 4 is a rail member 5 mounted on the rail holding portion 4 so as to be slidable. Further, in this embodiment, the locking screws 7 to the upper in the back side A ₁ of the first arm 2, but the connection member 6 are then associative fixed, the connecting member 6 is shown in Figure 7 below It may be fixed to the fixed main body 1 as it is, or may be formed integrally with the second arm 3 as shown in FIG. In FIG. 2, 1b is a screw 1.
The screw hole for a is shown.

The fixed body 1 of the above, in the upper at the back side A _1, the base end portion of the first arm 2 and is pivoted by a first lateral direction shaft pin 8, whereby the first arm 2 figures When the first arm 2 is lowered, the tip curved surface 2a is fitted on the concave arc surface 1c of the fixed body 1 and the lower plane of the first arm 2 2b is close to the inclined plane 1d of the fixed body 1, and at this time, the thin plate portion 1e projecting upward from the inclined plane 1d
The state shown in FIG. 1A is obtained by being fitted into the arm 2.

Furthermore, in this embodiment and the first inner side A ₁ upwardly connecting member 6 from the arm 2 described above is projected, which is evidenced by the 2, 3 and 5 as well as FIG. 1 has been that as, in the coupling body 6a of forming the prismatic in landscape, on the front side a ₂ is the longitudinal direction and the rear side a _1, the horizontal axis rod 6 arranged so as to be respectively the width direction
A pair of two horizontal shaft running rollers 6d and 6e are rotatably mounted on the b and 6c, and 6f and 6g are soft members fitted on the horizontal shaft running rollers 6d and 6e as clearly shown in FIG. The horizontal running rollers 6d and 6e are housed within the width of the connecting body 6a.

Further, the longitudinal running rollers 6h and 6i are slightly extended from both sides in the width direction of the connecting body 6a by the longitudinal rods 6j and 6k shown in FIG. The connecting body 6a is rotatably mounted at the center in the width direction of the connecting body 6a, and its longitudinal direction is shown in FIG.
Is formed as described below, the groove strip 6m passing stopper 5a provided on the rail member 5 by further than the transverse axis running rollers 6d in the upper in front A ₂ toward the front side A ₂ Tapered projection 6n
Are formed, and 6p indicates a tapered surface portion formed on the lower surface thereof.

Next, the second arm 3 has a base end located on the front side A ₂ of the fixed body 1 and a second horizontal shaft pin 9 lower than the first horizontal shaft pin 8. It is also pivoted so that it can rotate vertically.
In the illustrated embodiment, are formed by bending the dogleg, 3a is shows a concave portion which is recessed in the longitudinal direction of the inner side A _1,
Further, a shaft pin 9a is provided at the base end of the lower end of the second horizontal shaft pin 9.

Furthermore, the fixed body 1 is formed through a cavity 1f be in its lower, this pressure members sequentially from the front side A ₂ to 1g, spring 1h, with closure screw 1i is decorated, The shaft pin 9 provided in the second arm 3 is inserted into the elongated hole 1j formed in the pressing element 1g.
a is inserted so as to be slidable in the vertical direction in the drawing, and the pressing element 1
g via a shaft pin 9a, a base end portion of the second arm 3 is pressed, by this, the tip portion of the second arm 3, right side of the drawing, i.e. times toward the far side A ₁ power I am receiving it.

The rail holding portion 4 of the can and the rail holding body 4a formed in a prismatic shape, made up of a cylindrical projecting portion 4b which projects a on its inner side A _1, the projecting portion 4b is the second The first and second arms 2 and 3 are pivotally connected to each other by a third horizontal shaft pin 10 at a center position so as to be freely rotatable in the vertical direction. As a result, the vehicle enters the state shown in FIG. Further, at this time, the damper 11 is incorporated in the projecting portion 4b of the rail holding portion 4, and a braking force based on a viscous fluid or the like is appropriately exerted against the rotation of the third horizontal shaft pin 10. By doing so, the closing of the flap door and the like can be performed slowly, as will be described later, and 11a shown in FIG. 5B adjusts the braking force of the damper 11 described above. FIG.

Further, the distal end of the second arm 3 is pivotally connected to the rail holding body 4a of the rail holding section 4 by a fourth transverse shaft pin 12 in the width direction. the body 4a, the horizontal axis running rollers 6d provided on the coupling member 6 of the, with the horizontal axis running rollers 4c which approximates 6e is provided at an end portion of the front side a _2, the vertical axis running rollers 6h a pair of vertical axis running rollers 4d corresponding, 4e are provided with respective horizontal axes running rollers 4c closer to the rear side a ₁ close to.

The rail member 5 prepared separately is inserted into the rail holding body 4a so as to be slidable. The illustrated rail member 5 is formed in a square angle shape. One end is closed by fitting a stopper plug 5c and a stopper 5c fixed by a stopper 5b, and the other end is an opening 5d, and the mounting plate portion 5e of the rail member 5 is provided.
Are provided with a plurality of mounting holes 5f, and reference numerals 5g and 5h in the drawings denote locking projections provided to face the mounting plate portion 5e.

Then, when the above-mentioned rail member 5 is fitted into the horizontal axis running roller 4c of the rail holding main body 4a from the opening 5d and is made to enter, the rail member 5 is brought into contact with the horizontal axis running roller 4c. and the vertical axis running rollers 4d, by bearing rolling by 4e, but we are smoothly entered, when the opening 5d side enters to the end of the inner side a ₁ in the rail holding body 4a, the rail members 5 from the state Even if it moves backward in the direction of pulling out, it cannot move in the direction of pulling out, and it is the locking mechanism 13 that performs such an operation, which will be described in detail below with reference to the illustrated embodiment. .

That is, as shown in FIG. 1A, the open space 4 is formed in the rail holding body 4a of the rail holding section 4.
f, a seesaw member 13a pivotally connected by the fourth lateral shaft pin 12 and a stopper 5a provided on the rail member 5 constitute the above-described retaining mechanism 13. The seesaw member 13a has a front side A ₂
There are operating portion 13b in the and the locking portion 13 to the rear side A _1,
c is provided, and the locking portion 13c is provided on the protrusion 4b of the rail holding portion 4 and is fitted in the recess 4g formed therein.
d and receives the pressing force by the tip portion is a back side A ₁ of the locking portion 13c is engaging slot 13e which the stopper 5a is engaged freely Hamada' is opened.

Accordingly, when the rail member 5 is fitted and pushed into the rail holding portion 4 as described above, the stopper 5a is provided with a guide groove formed in the center of the seesaw member 13a in the width direction as shown in FIG. When passing through 13f, after the locking portion 13c is pressed against the elasticity of the elastic body 13d, the locking portion 13c is engaged with the locking opening 13e. Therefore, in this state, the rail member 5 cannot be pulled out. further, by pushing the stopper 5a is because it is detachable from the engaging slot 13e, it is possible to push toward the rail member 5 to the rear side a _1.

Therefore, in order to use the above hinge, the fixed body 1 is fixed to the mounting surface B as described above, while being attached to the mounting plate portion 5e by using the mounting hole 5f of the rail member 5. An opening / closing member 14 such as a flap door is attached. The rail members 5 attached to both sides of the opening / closing member 14 in this manner are fitted to the rail holding portion 4 as described above, and the stopper 5a of the retaining mechanism 13 And the locking opening 13e is locked in a retaining state, so that the opening / closing member 14 is
Freely so as that the result which is attached opened and closed with respect to equal, end is an opening 5d side of the time rail member 5 is allowed to be end substantially matches a far side A ₁ of the rail holding body 4a

Therefore, as shown in FIG. 1B, when the opening / closing member 14 closes the opening C of the attached body A or the like, the first arm 2 and the 2 arm 3
The rail holding portion 4 is separated from the above, and a separated space D surrounded by these members is formed. In the illustrated example, the spring 1h incorporated in the fixed main body 1 as described above includes the pressing element 1g. Presses the base end of the second arm 3 through the second horizontal axis pin 9.
The tip portion is subject to rotational force to the rear side A ₁ around the opening and closing member 14 is the closed state, to be self-held by the elastic force of the spring 1h.

Next, when the opening / closing member 14 is pulled out to the near side using a lower handle (not shown) or the like, the opening / closing member 14 is opened in the direction of arrow E shown in FIG. Third horizontal shaft pin 1 centering on horizontal shaft pin 8
0 turns in the direction of arrow F, and the second arm 3 turns the fourth horizontal shaft pin 12 about the second horizontal shaft pin 9 in the direction of arrow G. As shown in FIG. As shown by the phantom line 6, when the opening / closing member 14 is in the horizontal state in the drawing, the space D is closed, and the rear side A of the rail holding body 4a of the rail holding unit 4 is closed. ₁ end and impinges on the end portion of the front side a ₂ of the coupling body 6a of the connecting member 6 is associative so as to be aligned in the longitudinal direction of the connecting member 6 and the rail holding body 4a in this At this time, the projection 6
n and the back side A of the locking portion 13c of the seesaw member 13a
₁ is in a connected state.

Of course, the horizontal state of the opening / closing member 14 may be held by hand, but in this embodiment, since the spring 1h is provided as described above, the fourth horizontal shaft pin 12 is First horizontal shaft pin 8 and third horizontal shaft pin 1
When the second arm 3 is rotated to a position higher than the line connecting to the connecting member 6, the distal end of the second arm 3 urges the rotating force toward the connecting member 6 by the elastic force of the spring 1 h, and accordingly, the opening and closing member 14 is opened. Is maintained in the horizontal state.

In this state, the opening / closing member 14 is pushed toward the back side A ₁ , which is located below the top plate A ₃ such as the attached body A and is moved in a state parallel thereto. The rail member 5 is detached from the locking opening 13e of the seesaw member 13a provided on the rail member 5 to which the opening / closing member 14 is attached, passes through the concave groove 6m of the connecting member 6, and the rail member 5 is connected to the rail holding body 4a. And the connecting member 6. Of course, at this time, in the illustrated example, the horizontal axis running roller 4c and the vertical axis running rollers 4d, 4e are attached to the rail holding body 4a.
The connecting member 6 is also provided with a horizontal axis running roller 6.
d, because 6e and the vertical axis running rollers 6h are provided, the rail members 5 described above so that the traveling smoothly toward the rear side A _1.

In this manner, when the opening / closing member 14 is sufficiently pushed in, the opening C of the attached body A or the like is completely opened, but in the illustrated example, the opening C is located on the front side A ₂ of the rail member 5 and is prepared. the stopcock 5c that is, the end portion of the front side a ₂ of the rail holding body 4a is made possible to push the closing member 14 until impinging.

If the opening / closing member 14 in a horizontal state in the illustrated example is pulled out toward the front side A ₂ from the opened state as described above, the state shown in FIG. 5a is the locking opening 13 of the seesaw member 13a.
In this case, the rail member 5 is separated from the connecting member 6 and is fitted only to the rail holding body. Therefore, if the opening / closing member 14 is closed and operated in the direction of arrow E 'in FIG.

At this time, in the illustrated example, the damper 11 is incorporated in the protruding portion 4b of the rail holding portion 4 as described above, so that the third horizontal shaft pin 10
Is transmitted to the damper 11, whereby the opening and closing member 1 is
Since the braking force is applied to the pivoting and lowering movement of the rotating member 4, the opening / closing member 14 gradually closes and is kept in the closed state receiving the closing force by the spring 1h as described above.

When it is necessary to remove the opening / closing member 14 from the attached body A or the like, the opening / closing member 14 is set to a required position such as a horizontal state as shown in FIG. When the operating portion 13b extending from the rail member 5 is pushed in, the locking portion 13c moves downward in the drawing against the elasticity of the bullet 13d,
As a result, the locked state of the stopper 5a with respect to the locking port 13e is released. Therefore, if the opening / closing member 14 is pulled out at this time, the rail member 5 travels with the rail holding main body 4a as a guide and then separates therefrom.

Here, FIG. 6 illustrates the opening and closing movements of the opening / closing member 14 for exactly the same embodiment as that of FIG. 1, but in this case, it is indicated by oblique lines with imaginary lines. As described above, since the first arm 2 and the connecting member 6 rotate integrally about the first horizontal shaft pin 8, the opening / closing member 14
While the connecting member 6 is horizontal at the time of opening with the horizontal state, the connecting member fluctuates obliquely in the closed state.

On the other hand, when the fixed main body 1 and the connecting member 6 are integrated as shown by hatching in FIG. 7, the connecting member 6 is, of course, always kept in a horizontal state and does not fluctuate. 8, when the second arm 3 and the connecting member 6 are integral with each other as shown by hatching in FIG. 8, the connecting member 6 is horizontal in the closed state and the opened state, but in the middle of opening and closing. In this case, as the second arm 3 rotates around the second horizontal shaft pin 9, the second arm 3 tilts in a direction opposite to the direction shown in FIG.

[0044]

Since the present invention can be constructed as described above, according to the first aspect, a hinge as one member is attached to a mounting surface of a body to be mounted or the like, and a flap door or the like is provided. By simply attaching the opening / closing member to the rail member and inserting the rail member into the rail holding section, the work of attaching the opening / closing member to the attached body can be completed simply and quickly.

Further, the four members of the fixing member, the first and second arms, and the rail holding portion are pivotally connected at the four nodes of the first, second, third and fourth horizontal shaft pins, and a connecting member is provided. Thus, the operation of turning the opening / closing member and pulling out and pushing in the front-rear direction can be performed smoothly.

According to a second aspect of the present invention, since the damper is incorporated in the rail holding portion in the first aspect, it is not necessary to attach a separate damper, so that there is no problem when the flap door or the like is rotated and lowered. , It can be slowly closed.

According to a third aspect of the present invention, a configuration is provided in which the second arm is appropriately pressed by a spring. Therefore, the closed state of the opening / closing member can be maintained without providing a separate catch mechanism or the like. At the same time, it is possible to hold the opened state before the pushing without manual operation, and to provide a hinge with good operability.

In the case of claim 4, according to claim 1,
Since the seesaw member is added, the opening / closing member can be easily removed by manually operating the seesaw member, so that operations such as repair, inspection, and replacement can be performed easily.

[Brief description of the drawings]

1A and 1B show a use state of an embodiment of a hinge according to the present invention, in which FIG. 1A is a longitudinal sectional side view in a state where an opening member is opened, and FIG. 1B is a longitudinal section showing a closed state of the same member. It is a front view.

FIG. 2 is a front view of a partially cut-away view of the front hinge in an open state, with a rail member removed.

FIG. 3 is a top view of a partially cutaway showing the same hinge.

FIG. 4 is a bottom view showing a state where the front hinge is fitted with a rail member.

FIG. 5A is a right side view of the hinge, and FIG. 5B is a left side view in a state of use.

FIG. 6 is an explanatory front view showing an opening / closing operation state of the opening member when the hinge is used.

FIG. 7 is an explanatory front view showing an opening / closing operation state of an opening / closing member in a use state of a hinge according to another embodiment of the present invention.

FIG. 8 is an explanatory front view showing an opening / closing operation state of an opening / closing member in a use state of a hinge according to a different example of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Fixed main body 1f Cavity 1g Presser 1h Spring 1j Long hole 2 1st arm 3 2nd arm 4 Rail holding part 4b Projection 5 Rail member 5a Stopper 6 Connecting member 8 1st horizontal axis pin 9 2nd horizontal axis pin 10th 3 horizontal shaft pin 11 damper 12 fourth horizontal shaft pin 13 locking mechanism 13a seesaw member 13b operating part 13c locking part 13d elastic body 13e locking opening 14 opening / closing member A mounted body A ₁ back side A ₂ front side B mounting surface

Claims (4)

(57) [Claims] 1. A fixed body attached to a mounting surface such as a side plate of a body to be mounted, and a base end on the back side of the fixed body so as to be rotatable in one direction such as up and down by a first horizontal shaft pin. A first arm pivotally mounted, a second arm on the near side of the fixed body, a base end of which is pivotally pivotable in one direction by a second horizontal shaft pin, and a distal end of the first arm A rail holding portion having a base end pivotally attached to the front side so as to be rotatable in the same front direction by a third horizontal shaft pin provided on the side of the second arm. A connecting member fixedly attached to any one of the first arm, the fixed main body, and the second arm, while being pivotally attached by the fourth lateral axis pin so as to be rotatable in the same front direction;
A rail member to which the rail holding portion is provided so as to be slidable in the longitudinal direction while being prevented from escaping to the near side by a retaining mechanism, and to which an opening / closing member such as a door is attached and attached to the front side. The first, second, third, and fourth opening / closing members can be opened and closed from a closed state in which the opening / closing member closes the opening of the attached body to an extended position in which the opening / closing member is opened toward the front side by a desired angle. By positioning the horizontal shaft pin, the rail holding portion is free to be connected to the connecting member in a straight line, and the rail member is moved from the rail holding portion by pushing the opening / closing member to the back side in this state. A hinge usable for a flap door or the like, wherein the hinge is slidable by a predetermined length until the connecting member is put on the connecting member. 2. A fixed main body attached to a mounting surface such as a side plate of a body to be mounted, and a base end portion on a rear side of the fixed main body so as to be rotatable in one direction such as up and down by a first horizontal shaft pin. A first arm pivotally mounted, a second arm on the near side of the fixed body, a base end of which is pivotally pivotable in one direction by a second horizontal shaft pin, and a distal end of the first arm A rail holding portion having a base end pivotally attached to a third horizontal shaft pin provided on the side of the second arm so as to be rotatable in one direction of forward movement. And a connecting member fixedly attached to any one of the first arm, the fixed main body, and the second arm, while being pivotally attached in the same front direction by a fourth lateral shaft pin.
A rail member to which the rail holding portion is provided so as to be slidable in the longitudinal direction while being prevented from escaping to the near side by a retaining mechanism, and to which an opening / closing member such as a door is attached and attached to the front side. The first, second, third, and fourth opening / closing members can be opened and closed from a closed state in which the opening / closing member closes the opening of the attached body to an extended position in which the opening / closing member is opened toward the front side by a desired angle. By positioning the horizontal shaft pin, the rail holding portion is free to be connected to the connecting member in a straight line, and the rail member is moved from the rail holding portion by pushing the opening / closing member to the back side in this state. The rail member is slidable by a predetermined length until it is put on the connecting member, and the rail member in the rail holding portion, which protrudes from the rail member, is in a disengaged state from the connecting member at the extending position. Rotation of the third horizontal shaft pin when closing with the opening / closing member Hinges may be used in the flap door or the like, wherein a damper to exert a braking force against is incorporated. 3. A fixed main body attached to a mounting surface such as a side plate of a body to be mounted, and a base end portion on the back side of the fixed main body so as to be rotatable in one direction such as up and down by a first horizontal shaft pin. A first arm pivotally mounted, a second arm on the near side of the fixed body, a base end of which is pivotally pivotable in one direction by a second horizontal shaft pin, and a distal end of the first arm A rail holding portion having a base end pivotally attached to the front side so as to be rotatable in the same front direction by a third horizontal shaft pin provided on the side of the second arm. A connecting member fixedly attached to any one of the first arm, the fixed main body, and the second arm, while being pivotally attached by the fourth lateral axis pin so as to be rotatable in the same front direction;
A rail member to which the rail holding portion is provided so as to be slidable in the longitudinal direction while being prevented from escaping to the near side by a retaining mechanism, and to which an opening / closing member such as a door is attached and attached to the front side. The first, second, third, and fourth opening / closing members can be opened and closed from a closed state in which the opening / closing member closes the opening of the attached body to an extended position in which the opening / closing member is opened toward the front side by a desired angle. By positioning the horizontal shaft pin, the rail holding portion is free to be connected to the connecting member in a straight line, and the rail member is moved from the rail holding portion by pushing the opening / closing member to the back side in this state. It is slidable by a predetermined length until it is put on the connecting member, and the cavity of the fixed body contains a presser that is fitted so as to be slidable and a spring that presses this toward the front. And a second lateral axis pin of the second arm pivotally connected to the fixed body. A shaft pin located outside the second horizontal shaft pin and fixed to the second arm is provided at the base end portion of the presser, and is elongated in the radial direction thereof. Is slidably fitted, and the second arm is elastically supported by the pushing of the pressing element by the spring, so that the opening / closing member is in the closed position and the extended position,
A hinge that can be used for a flap door or the like, wherein each of the rail members is self-holding. 4. A fixed body attached to a mounting surface such as a side plate of a body to be mounted, and a base end on the back side of the fixed body so as to be rotatable in one direction such as up and down by a first horizontal shaft pin. A first arm pivotally mounted, a second arm on the near side of the fixed body, a base end of which is pivotally pivotable in one direction by a second horizontal shaft pin, and a distal end of the first arm A rail holding portion having a base end pivotally attached to the front side so as to be rotatable in the same front direction by a third horizontal shaft pin provided on the side of the second arm. A connecting member fixedly attached to any one of the first arm, the fixed main body, and the second arm, while being pivotally attached by the fourth lateral axis pin so as to be rotatable in the same front direction;
A rail member to which the rail holding portion is provided so as to be slidable in the longitudinal direction while being prevented from escaping to the near side by a retaining mechanism, and to which an opening / closing member such as a door is attached and attached to the front side. The first, second, third, and fourth opening / closing members can be opened and closed from a closed state in which the opening / closing member closes the opening of the attached body to an extended position in which the opening / closing member is opened toward the front side by a desired angle. By positioning the horizontal shaft pin, the rail holding portion is free to be connected to the connecting member in a straight line, and the rail member is moved from the rail holding portion by pushing the opening / closing member to the back side in this state. It is slidable by a predetermined length until it is put on the connecting member, and the retaining mechanism provided on the rail holding portion is pivotally attached to the fourth horizontal shaft pin and is provided with an operating portion on the near side.
A seesaw member having a locking portion receiving a pressing force by an elastic body on the back side, and a stopper of a rail member fitted on the rail holding portion, and by allowing the rail member to enter the back side. The stopper is freely engageable with the locking opening of the locking portion, and the operating portion of the seesaw member allows the locking portion to move freely against the elastic force of the elastic body. Which can be used for a flap door or the like, wherein the locking between the stopper and the stopper can be released.