JP3157918B2 - Double door device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a double door apparatus which opens and closes a pair of doors in conjunction with each other.

[0002]

2. Description of the Related Art Conventionally, when a pair of doors is arranged below an upper rail body, and when one of the pair of doors is opened and closed, the other door is opened and closed in conjunction with the other door, a wire or a pulley is used. Then, a pair of doors were linked.

[0003]

However, if the wires and pulleys are used for interlocking, there is a problem that the structure is complicated, and there is a problem that the wires are easily detached and there are many failures. There is a problem that if a failure occurs, the wires are entangled and maintenance is difficult.

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and an object of the present invention is not only to open and close a pair of doors but also to link a pair of doors with a simple structure. Another object of the present invention is to provide a double door device which can be easily broken down and can be easily maintained.

[0005]

In order to achieve the above object, a double door apparatus according to the present invention comprises a front room 1a and a rear room 1b.
A pair of doors 2 is disposed below the upper rail body 1 thus configured, and a door roller 4 provided on an upper frame 3 at an upper end of the door 2 is attached to a front room of the upper rail body 1 .
1a, the pair of doors 2 are freely mounted on the left and right sides so as to be openable and closable , and the pair of racks 5 are mounted in the rear chamber 1b of the upper rail body 1 so as to be freely run in the longitudinal direction of the upper rail body 1. At the same time, a pinion 6 is interposed between the pair of racks 5 in the rear room 1b to make the pair of racks 5 interlock, and the upper frame 3 of one of the pair of doors 2 is connected to one of the racks 5 by a connecting pin 34. of
Coupling recess 26 of the other connecting the upper frame 3 of the door 2 to the other of the rack 5 pin 34 as well as connected by fitting into the connecting recesses 26
It is characterized in that it is connected by fitting to.

A guide roller 7 is attached to the upper frame 3 above the door roller 4.
It is also preferable that the guide roller 7 is rotatably mounted and the guide roller 7 is rolled and contacted with the upper rail body 1. Further, it is also preferable that the lifting prevention member 8 is attached to the upper part of the upper frame 3 of the door to prevent the lifting of the door 2 during traveling.

[0007]

According to the above construction, the pair of doors 2 can be linked with the rack 5 and the pinion 6 so that the pair of doors 2 can be opened and closed in conjunction with each other. The structure becomes simpler, the number of failures is reduced, and even if a failure occurs, maintenance can be easily performed. Door 2 is easily removed and door 2
And the maintenance of the pin 5 and the pinion 6 can be easily performed.

[0008]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The double door apparatus of the present invention is used for opening and closing a front opening of a storage 8. As shown in FIG. 6, a storage space 11 is provided in the wall body 10, and a plurality of shelves 39 are fixedly provided vertically along the inner periphery of the storage space 11. As shown in FIG. 7, a vertically long box-shaped sleeve storage body 12 is mounted on both sides of the opening 9 of the storage space 11, and a connection box 13 is provided between the upper portions of the sleeve storage bodies 12. The back surface of the sleeve storage body 12 is opened in the storage space 11 so that a plurality of shelves can be mounted in the sleeve storage body 12 up and down. The lower part of the sleeve storage body 12 is attached to the floor with fixing brackets 14 as shown in FIG.

The upper part on the front side of the sleeve housing 12 and the connection box 1
As shown in FIG. 9, a mounting recess 15 having a substantially L-shaped cross section is provided on the front side of 3, and the upper rail body 1, which will be described later, can be housed and mounted in the mounting recess 15. . As will be described later, a pair of doors 2 are attached to the upper rail body 1 so as to be able to run to the left and right, and a front plate 16 is disposed on the front surface of the sleeve housing 12, and the front plate 16 is fixed as shown in FIG. By fixing at 17, the front opening of the sleeve housing 12 is closed. The rear side of the front plate 16 is a door pocket for storing the door 2 when the door 2 is opened. A lower rail 37 is attached to the lower end on the front side of the sleeve housing 12 so as to be located at the lower end of the door pocket. With the upper rail 1 attached to the mounting recess 15, the upper opening of the mounting recess 15 is closed by the upper surface plate 18. A positioning plate 19 provided above the front plate 16 is positioned along the lower surface of the upper plate 18. At the front opening of the connection box 13, a curtain plate 20 is arranged so as to cover the upper rail body 1, and the curtain plate 20 is attached to the upper surface plate 18 by the fixing tool 17.

As shown in FIGS. 1 and 2, an upper frame 3 is mounted on upper ends of a pair of doors 2. At this time, the bolts 21 are screwed into the door 2 from the upper surface of the upper frame 3, and the upper frame 3 is attached to the door 2 by interposing a spring 22 between the upper frame 3 and the door 2. At this time, the height position of the door 2 with respect to the upper frame 3 can be adjusted by rotating the bolt 21 as shown in FIG. Side extension part 3 of upper frame 3
A door roller 4 is arranged at the lower part of a, and the door roller 4 is rotatably mounted on a shaft 23 and a bush 24. A horizontal guide roller 7 is rotatably mounted on a shaft 25 on the upper surface of the side extension portion 3a. Further, a coupling recess 26 is provided at the center of the side extending portion 3a in the vertical direction to open the back side. A lifting prevention member 8 is mounted on the upper surface of the upper frame 3, and a roller 27 is rotatably mounted on the lifting prevention member 8.

The upper rail body 1 is formed in a U-shaped cross section with an open front surface, and the interior of the upper rail body 1 is composed of a front chamber 1a and a rear chamber 1b. A ridge 2 is provided on the bottom of the front room 1a.
8 is provided in the longitudinal direction, and a hanging piece 29 is provided on the upper part of the front chamber 1a. A traveling body 30 is mounted on the upper and lower portions of the rear chamber 1b of the upper rail body 1 so as to be movable in the longitudinal direction of the upper rail body 1, respectively. Is equipped with a long rack 5,
A rack 5 long in the longitudinal direction of the upper rail body 1 is mounted on the upper surface of the lower traveling body 30. A traveling roller 31 is rotatably mounted on the upper and lower traveling bodies 30, respectively.
As the rolling member 1 rolls, the traveling body 30 travels in the longitudinal direction of the upper rail body 1 above and below the rear chamber 1b, and the rack 5 travels in the longitudinal direction of the upper rail body 1. A pinion 6 is arranged between the upper and lower racks 5, and the pinion 6 is meshed with the rack 5. The pinion 6 is rotatably attached to the upper rail body 1 on a shaft 32. A connection fitting 33 is attached to an appropriate position of the upper and lower traveling bodies 30, and a connection pin 34 protruding forward by spring bias is provided on the connection fitting 33. On the front side of the rear chamber 1b of the upper rail body 1, a holding bracket 3 for preventing the traveling body 30 from slipping forward.
5, and a holding bracket 35 is detachably attached with a set screw 36. By removing the holding bracket 35, the traveling body 30 can be removed for easy maintenance.

When attaching a pair of doors to the upper rail body 1, before attaching the front plate 16 or the curtain plate 20, FIG.
As shown in FIG. 3, the side protrusion 3a of the upper frame 3 is
Is carried out in the front room 1a. When the side protrusion 3a is fitted in the front room 1a, the door roller 4 is
The guide roller 7 is rolled on the hanging piece 29, and the roller 27 of the lifting prevention member 8 is rolled on the positioning plate 19. Further, with the pair of doors 2 suspended from the upper rail body 1, the tips of the connection pins 34 of the connection fittings 33 of one traveling body 30 are fitted into the connection recesses 26 of one door 2, and the other door 2 The tip of the connection pin 34 of the connection fitting 33 of the other traveling body 30 is fitted into the connection recess 26, and the pair of doors 2
And the pair of traveling bodies 30 are separately connected. A indicates the position of the connecting portion. A handle 38 protruding to the front side is provided at the mating portion of one of the doors 2, and a handle 38 protruding to the rear side is provided at the mating portion of the other door 2.
Is provided.

When one of the doors 2 is opened and closed as shown in FIGS. 2 and 3, one of the racks 5 travels in the longitudinal direction with the opening and closing of the door 2, and the other travels via the pinion 6 during this travel. The rack 5 runs synchronously in the longitudinal direction, and the other rack 5
, The other door 2 opens and closes. At this time, the guide roller 7 rolls along the hanging piece 29, the upper frame 3 runs stably, and the door 2 is opened and closed stably. In addition, since the roller 27 of the lifting prevention member 8 is in rolling contact with the positioning plate 19, the upper frame 3 is prevented from rising upward when traveling, and the door 2 is prevented from rattling up and down, so that the door 2 can be opened and closed with good stability. can do.

[0014]

As described above, the present invention mounts a pair of racks in the upper rail so as to be able to run in the longitudinal direction of the upper rail, and interlocks the pair of racks with a pinion interposed between the pair of racks. Since the upper frame of one of the pair of doors is connected to one rack and the upper frame of the other door is connected to the other rack, the pair of doors can be linked with the rack and the pinion. In addition to opening and closing a pair of doors in conjunction with each other, the rack and pinion can be linked to open and close, so that the structure can be made simpler than before, and there are fewer failures. der is, a front chamber inside of the upper rail body further ones that can be
It consists of a rear room and a door wheel of the upper frame of the door in the front room of the upper rail body.
And fit it freely to run, and in the rear room of the upper rail body
Mounts a pair of racks so that they can run in the longitudinal direction of the upper rail
And a pinion is interposed between a pair of racks in the rear room.
To move one pair of racks together,
Fit the upper frame to one rack by fitting the connecting pin into the connecting recess
Connect the upper frame of the other door to the other rack
The door is connected to the upper rail
When removing it from the body, make sure that the door door upper frame is in the front room of the upper rail body
The door can be removed by pulling it out.
It is possible to remove the connection between the door and the rack by disengaging the recess
Can be easily removed from the door
Rack pinion in the upper rail body
Maintenance can be easily performed.
When installing the door after the nonce, leave the door on the upper rail body.
Easy installation and easy connection of rack and door
Nodea Ru.

In the invention according to claim 2 of the present invention, the guide roller is rotatably mounted on the upper frame above the door roller and the guide roller is rolled on the upper rail body, so that the door is opened and closed. In addition to this, a guide roller other than a door roller is guided by rolling on the upper rail body, and the door is smoothly opened and closed.
Further, in the invention according to claim 3 of the present invention, the lifting prevention member is attached to the upper part of the upper frame of the door so as to prevent the lifting during running of the door. And the door can be opened and closed more stably.

[Brief description of the drawings]

FIG. 1 is a sectional view of a main part of an embodiment of the present invention.

FIG. 2 is an overall plan view of the same door with the door closed.

FIG. 3 is an overall plan view showing a state in which the door is opened.

FIG. 4 is a front view of the upper rail body.

5A and 5B show the traveling body of the above, wherein FIG. 5A is a plan view and FIG.
Is a front view.

FIG. 6 is a schematic plan cross-sectional view showing the entire storage in the same.

FIG. 7 is a perspective view showing the sleeve housing and the connection box as viewed from the rear side.

FIG. 8 is a perspective view showing a state where the lower end of the sleeve housing is fixed.

FIG. 9 is a perspective view showing a state in which the upper rail body is mounted.

FIG. 10 is an exploded perspective view illustrating a state in which the door and the front plate are attached.

FIG. 11 shows a state in which the front plate is attached,
(A) is a perspective view, (b) is a sectional view.

FIG. 12 is a perspective view showing a state where the curtain plate is attached.

FIG. 13 shows a state in which the same door is attached, and (a)
(B) is a perspective view, (c) and (d) are sectional views.

FIG. 14 is a perspective view showing adjustment of a door with respect to the upper frame of the above.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Upper rail 2 Door 3 Upper frame 4 Door roller 5 Rack 6 Pinion 7 Guide roller 8 Floating prevention member

──────────────────────────────────────────────────続 き Continuation of the front page (56) References Japanese Utility Model Sho 58-60770 (JP, U) Japanese Utility Model Sho 55-149080 (JP, U) Japanese Utility Model Sho 56-151468 (JP, U) (58) Field (Int.Cl. ⁷ , DB name) E05F 17/00 E06B 3/46 E05F 15/00-15/20

Claims (3)

(57) [Claims] A pair of doors are arranged below an upper rail body having a front room and a rear room, and a door wheel provided on an upper frame of an upper end of the door is fitted into a front room of the upper rail body to travel. A pair of doors can be freely opened and closed to the left and right, and the rear room of the upper rail body
A pair of racks are mounted so as to be able to travel in the longitudinal direction of the upper rail body, and a pinion is interposed between the pair of racks in the rear room to interlock the pair of racks, so that one of the pair of doors Fit the frame to one rack in the connection recess of the connection pin
Connecting the upper frame of the other doors as well as connected to the other rack by
A double door apparatus characterized by being connected by fitting a connecting pin into a connecting recess . 2. The double door apparatus according to claim 1, wherein a guide roller is rotatably mounted on the upper frame above the door roller and the guide roller is rolled on the upper rail body. 3. The double door apparatus according to claim 1, wherein a lifting prevention member is attached to an upper portion of an upper frame of the door to prevent the lifting of the door while the door is running.