JP2724789B2 - Door push-in storage device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION The present invention relates to a double door or one-sided door used for various types of storage furniture of a stationary type or a built-in type, which is formed on a side portion of the storage furniture or the like in a front and rear vertical opening posture. The present invention relates to a door push-in storage device for pushing into a door storage space.

[0002]

2. Description of the Related Art In this type of door push-in storage device, a door supporting movable body is provided in a door storage space in the front-rear direction so as to be movable in the front-rear direction by a guide rail. A door mechanism is pivotally attached to the door so as to be openable and closable, and a link mechanism for maintaining the door supporting movable body in a vertical position is interposed between the back end of the door storage space and the movable body. The link mechanism includes a cross-shaped link formed by pivotally connecting two links at a central portion, and a door supporting movable body side and a door for guiding an end of the elevating link of the cross-shaped link. And an elevating guide rail provided on the back end side of the storage space.

[0003] In this type of conventional door push-in storage device, for example, a pair of lower front and rear link ends of the cross-type link are pivotally supported at fixed lower end positions of the two lifting guide rails by a support shaft. In addition, a roller pivotally supported by a pair of upper and lower link ends is fitted to each of the elevating guide rails. In the configuration of such a conventional device, since the cross-shaped link has up, down, left and right directions, not only must the direction be considered at the time of assembling, but also the state where both lifting guide rails are connected by the crossed link. In addition, the movable member for supporting the door and the elevating guide rail on the back end side of the door storage space have to be mounted in the door storage section, and the assembling work is very difficult. Further, it is not easy to release the connection with the cross-shaped link, which is necessary when the door is removed together with the door supporting movable body.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and its features are indicated by reference numerals in the embodiments described later. The door push-in storage device of the present invention provides a door storage space 4 in the front-rear direction.
A door supporting movable body 10 supported by a guide rail 7 so as to be movable in the front-rear direction is provided therein, and a door 6 is pivotally connected to the movable body 10 so as to be openable and closable. A door push-in / storage device including a link mechanism 12 for maintaining the movable body 10 in a vertical posture between the door supporting movable body 10 and the door mechanism. 13a and 13b are pivotally attached to each other at the center and at four link ends equidistant from the center support shaft 14,
The rollers 18a to 18d are located on the same virtual plane.
And a pair of upper and lower rollers 18 provided on the door supporting movable body 10 side and the back end side of the door storage space 4 and on the front side of the cross link 15.
a, 18d and a pair of upper and lower rear rollers 18b, 18c
And lifting guide rails 16 and 17 to be fitted respectively. At least one of the lifting guide rails 16 and 17 is provided with a stopper 20 for receiving a lower roller 18a. The end rollers 18a to 18d are connected to the lift guide rails 16 and 17 respectively.
It is characterized in that it can be fitted into the inside from above and can be detached upward.

In the apparatus according to the second aspect of the present invention, notches 21 and 22 for inserting and removing rollers are formed at an intermediate height between the two guide rails 16 and 17.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIG. 1, reference numeral 1 denotes a storage furniture, which is an outer plate 2 on both right and left sides and an inner side provided upright on the inner side. A front and rear door storage space 4 is formed between the door 3 and the plate 3, and a pair of left and right double doors 6 for opening and closing the front opening 5.
Can be pushed into the door storage space 4 by moving from the left and right horizontal closing posture A shown by the solid line to the front and rear vertical opening posture B.

The pair of left and right double doors 6 are supported by the same door push-in storage device.
Hereinafter, only one door will be described. 2 and 3
As shown in the figure, slide guide rails 7 in the front-rear direction are horizontally provided near the upper and lower ends in the door storage space 4 using the inner surface of the outer plate 2. As shown in FIG. 5, a slider 9 is slidably fitted to and mounted on both slide guide rails 7 via slide ball bearings 8. Upper and lower ends of the body 10 are fixed. The door 6 is pivotally connected to a front end of the door supporting movable body 10 via a plurality of hinges 11 so as to be openable and closable.

Reference numeral 12 denotes a link mechanism for connecting the back end of the door storage space 4 and the door supporting movable body 10 for holding the movable body 8 moving in the front-rear direction in a vertical posture. . The link mechanism 12 includes a cross-shaped link 15 in which two links 13a and 13b having the same length are pivotally connected to each other at a central portion by a support shaft 14, and a lifting guide rail 16 attached to the door supporting movable body 10 side. And an elevating guide rail 17 attached to the rear end of the door storage space 4 (the inner surface of the outer plate 2).

More specifically, the cross-shaped link 15
Rollers 18a to 18d are respectively mounted on horizontal support shafts 19a at the four link ends in FIG.
To 19d. Therefore, FIGS. 5 and 6
As shown in FIG. 5, the support shafts 19a and 19b supporting the rollers 18a and 18b at both ends of the outer link 13a are longer than the support shafts 19c and 19d supporting the rollers 18c and 18d at both ends of the inner link 13b. The cross-shaped link as a whole is configured so that there is no directivity in up, down, left and right. On the other hand, the lift guide rail 1 on the door supporting movable body 10 side
As shown in FIG. 5, a stopper 20 for receiving the roller 18a is internally fixed to the lower end of the roller 6. Further, notches 21 and 22 for roller fitting and disengaging are formed at the same height in the middle between the two lifting guide rails 16 and 17.

The door supporting movable body 10 is moved forward to an appropriate position, and the cross link 15 is opened to a width substantially equal to the interval between the two lifting guide rails 16, 17. A pair of upper and lower rollers, for example, rollers 18a and 18d, on the front side of the shaped link 15 are fitted into the lift guide rail 16 on the door supporting movable body 10 side from above and a pair of upper and lower rollers on the rear side, for example, the roller 1
8c and 18b are inserted from above into the elevating guide rails 17 on the far end side of the door storage space 4, and the rollers 18a are received by the stoppers 20, so that the cross-shaped link 1
5 is completed. Both lifting guide rails 1
When the rollers 18a to 18d are fitted into the rollers 6 and 17, the pair of rollers 1 is a pair of upper and lower front and rear cross-shaped links 15.
8b and 18d are fitted from the upper ends of the lifting guide rails 16 and 17, and a pair of lower and front and rear rollers 18 is provided.
a and 18c are fitted from the roller fitting notches 21 and 22 of the lifting guide rails 16 and 17, respectively.

Of course, since the height of the door 6 is high, a space larger than the height of the appropriately opened cross-shaped link 15 is provided between the upper ends of the lifting guide rails 16 and 17 and the ceiling surface of the door storage space 4. When secured, each elevating guide rail 1
All the rollers 18a to 18d can be fitted from the upper ends of the lift guide rails 16 and 17 without providing the roller fitting notches 21 and 22 in the rollers 6 and 17. Also,
If there is not enough space to hold the rollers 18b and 18d above the upper ends of the lifting guide rails 16 and 17,
It is only necessary to provide notches for roller fitting and disengagement at intermediate lower positions and near upper ends of the lifting guide rails 16 and 17, respectively.

The operation of fitting the rollers 18a to 18d of the cross-shaped link 15 into the respective lift guide rails 16 and 17 is performed with the inner plate 3 forming the door storage space 4 removed. After the is assembled, the inner plate 3 is attached.

In the door push-in storage device constructed as described above, the door 6 can be moved back and forth along the guide rail 7 together with the door supporting movable body 10, and as shown in FIG. 1 is pulled forward together with the movable body 10 and the entire door is pulled forward from the door storage space 4, and then the door 6 is closed by 90 degrees with respect to the movable body 10 using the hinge 11, as shown in FIG. As shown in FIG.
Can be closed. Further, after the door 6 at the closed position A is opened by 90 degrees with respect to the movable body 10, the door 6 is pushed into the far side of the door storage space 4 so that the door 6 is moved as shown in FIG. At the same time, it can be moved into the door storage space 4 along the guide rail 7 and stored. 2 and 3, a stopper 23 attached to the rear end of the upper guide rail 7 is used.
Is for determining the retreat limit position of the door supporting movable body 10. Similarly, a stopper for determining the forward limit position of the door supporting movable body 10 can be provided.

As described above, when the door supporting movable body 10 is moved back and forth together with the door 6 to put the door 6 into and out of the door storage space 4, the cross-shaped link 15 of the link mechanism 12 is used.
Performs an opening and closing motion between the open posture shown in FIG. 2 and the closed posture shown in FIG. That is, when the door supporting movable body 10 moves forward, the rollers 18b, 18d at the pair of front and rear link ends above and below the cross-shaped link 15 move downward in the elevating guide rails 16, 17, and the cross-shaped link 15 moves. Is opened and the door supporting movable body 10 moves rearward,
The rollers 18b, 18d are lift guide rails 16, 1
The cross-shaped link 15 closes while moving upward in the inside 7, and moves the door supporting movable body 10 (elevation guide rail 16) in parallel with the elevation guide rail 17 fixed to the far end side of the door storage space 4. Hold in posture.

[0015] Only the upper end of the door supporting movable body 10 is suspended from the front and rear guide rails via rollers and sliders so as to be movable back and forth, and the lower end of the door supporting movable body 10 is fixed to the steady rest guide. It can also be engaged with a rail. Instead of the stopper 20, a stopper for receiving the roller 18c can be attached to the lower end of the elevating guide rail 17. Of course, depending on the case, roller stoppers may be attached to the lower ends of both the lift guide rails 16 and 17.

[0016]

As described above, according to the door push-in storage device of the present invention, all four link ends are supported by rollers, and these rollers are located on the same virtual plane. Since it is pivotally supported, the cross-type link has no vertical, horizontal, or left-right directionality. The rollers of this cross-type link are fitted from above into the elevating guide rails on the door supporting movable body side and the elevating guide rails on the back end side of the door storage space, and at least one of the lower rollers is received by the stopper. With only this, both lifting guide rails can be connected by a cross-shaped link. Of course, it is also possible to remove the cross-shaped link from both lifting guide rails in the reverse procedure of mounting the cross-shaped link.

Therefore, according to the apparatus of the present invention, the elevating guide rail is previously attached to the deep end of the door storage space, and the door supporting movable body having the elevating guide rail is supported by the slide guide rail. Since the ascending and descending guide rails can be connected to each other by attaching the shape link, the assembly of the device can be performed easily and easily, in combination with the fact that the cross-type link has no direction in the up, down, left and right directions. Of course, since the cross-shaped link can be easily and easily removed, the work of removing the door together with the door supporting movable body can be easily and easily performed.

In particular, when a notch for roller insertion / removal is formed at an intermediate height between the two elevating guide rails, the mounting of the cross-type link to the two elevating guide rails is performed as follows. It is not necessary to lift the cross-shaped link higher than the upper end of the lifting guide rail, so that the work can be performed easily and the intended purpose can be reliably achieved even when a low-height door is used.

[Brief description of the drawings]

FIG. 1 is a schematic plan view illustrating movement of a double door.

FIG. 2 is a longitudinal sectional side view showing a state where a door is pulled forward from inside a door storage space.

FIG. 3 is a vertical sectional side view showing a state where a door is pushed into and housed in a door housing space.

FIG. 4 is a cross-sectional plan view of a main part.

FIG. 5 is a partially longitudinal front view showing a door supporting movable body and a link mechanism attached thereto.

FIG. 6 is a longitudinal sectional front view for explaining a rear end side of a door storage space of a link mechanism.

[Explanation of symbols]

 Reference Signs List 4 Door storage space 6 Door 7 Slide guide rail 9 Slider 10 Door supporting movable body 11 Hinge 12 Link mechanism 13a Link 13b Link 14 Link pivot support shaft 15 Cross-type link 16 Elevating guide rail 17 for ascending and descending the link end 17 Link Elevating guide rail 18a for ascending and descending the end portion 18a Link end roller 18b Link end roller 18c Link end roller 18d Link end roller 20 Stopper for receiving link end roller 18a 21 Notch for roller engagement / disconnection 22 Notch for roller engagement / disengagement

Claims (2)

(57) [Claims] 1. A door supporting movable body which is supported by a guide rail so as to be movable in a front-rear direction in a door storing space in a front-rear direction, and a door is pivotally attached to the movable body so as to be openable and closable, and the door storage is provided. A door push-in / storage device comprising a link mechanism for maintaining the door supporting movable body in a vertical posture interposed between a rear end portion of a space and the movable body, wherein the link mechanism includes 2 A cross-shaped link comprising a plurality of links pivotally attached to each other at a central portion and four links at equal distances from a central support shaft, wherein rollers are pivotally supported so as to be located on the same virtual plane; The two lifting guides are provided on the supporting movable body side and on the rear end side of the door storage space, and each of the lifting guide rails comprises a pair of front and bottom upper and lower rollers and a pair of rear upper and lower rollers of the cross-shaped link. At least one of the rails A stopper which receives the side roller is provided, four detachably configured to door pushing storage device comprising a link end roller from above in said two lifting guide rail upward together may fit the cross-shaped link. 2. The door push-in storage device according to claim 1, wherein a notch for roller engagement / disengagement is formed at an intermediate height between the lift guide rails.