JPH1029782A - Elevator - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify door structure in an elevator. SOLUTION: In a bone plate 103 used as a reinforcing member for a door in an elevator, a part replacing a conventional part, which is separately prepared, is formed. That is, in the lower end of the bone plate 103, a mandrel part to be inserted into a hole in a door shoe 106 is formed, while a door hanger part, which is used when a door is suspended in a guide roller, is formed in the upper end. In the center part of the bone plate 103, a window frame, to which a window glass 102 is fitted, is formed. Both side ends of the bone plate 103 are bent so as to serve as a supporting column and so as to reinforce a door in an elevator door.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a technique for simplifying and reducing the thickness of an elevator door structure.

[0002]

2. Description of the Related Art A conventional elevator door technology will be described below with reference to the accompanying drawings.

First, a basic structure of a conventional elevator door will be described with reference to FIG.

A door hanger 1601 is fixed to a top end of a conventional elevator door body 1600 by bolts 1602 and nuts 1603. As shown in FIG. 19, the door hanger 1601 is a member for suspending the door main body 1600 on a guide rail 1901 fixed to a bracket 1900 attached to the elevator main body. Guide roller rows 1902a, 19 running on guide rail 1901
02b and the roller 19 that abuts on the lower surface of the guide rail 1901 to prevent the guide roller rows 1902a and 1902b from hitting each other (ie, the door 1600 is lifted).
03a and 1903b are attached.

On the other hand, at the lower end of the door main body 1600, a door shoe 1 hanging on a sill laid on the elevator main body is provided.
604 is fixed by bolts 1602 and nuts 1603. Here, the door shoe 1604 is obtained by insert-molding a resin into a shoe core 1605.

Further, in order to ensure safety, each part of the door main body 1 is provided with six reinforcing members 1606 on the rivet 16.
07 and double-sided tape 1608.
Then, a window 1600a formed in the main body 1600 of the door
Window glass 1609 that covers the
And a bolt 1602 and a nut 1603 attached to the main body 1600 of the door.

As shown in FIG. 20, some conventional elevators have two doors 1600a and 1600b.
Simultaneously in the same direction (here, right direction A)
Some have a structure that is simultaneously stored in one side (here, right side) door pocket. Hereinafter, FIG. 2 and FIG.
The two door opening / closing mechanisms shown in FIG.

As shown in FIG. 20, a bracket 1900 attached to an elevator main body has two guide rails 1901 so that two elevator doors 1600a and 1600b can be simultaneously moved in the same direction.
a, 1901b are provided side by side, and doors are suspended one by one from each guide rail 1901a, 1901b. Then, the door having the longer moving distance until it is stored in the door pocket (that is, the left door 1600)
As shown in FIG. 17, a) is a mechanism that opens and closes with power transmitted from a belt transmission device installed at the upper end of an elevator entrance. That is, the V-belt 170 suspended between the driving pulley 1700 and the driven pulley 1701
2, a door hanger 1601a is fixed by a fixing bracket 1703, and a driving pulley 1700 is driven by a motor 1704.
, The right door 1600a is pulled by the feed of the V-belt 1702.

On the other hand, the door having a shorter moving distance until it is stored in the door pocket (ie, the right door 1600b) is pulled by the left door 1600a to open and close. That is, as shown in FIG.
A bracket 1 having two pulleys 1800a and 1800b attached to a door hanger 1601b of 600b.
801 are fixed and these two 1800a, 1
Between the wires 800b, wires 1803 whose both ends are restrained by fixtures 1802 are suspended from a bracket 1900 attached to the elevator main body. Since the wire 1803 is held by the metal fitting 1804 fixed to the door hanger 1601a of the left door 1600a, for example, the left door 1600a is pulled rightward by the power transmitted from the belt transmission device. Then, the left pulley 180 attached to the bracket 1900
0a receives a force in the right direction A and operates as a moving pulley. As a result, the right door 1600b moves at half the speed of the left door 1600a.

[0010]

However, as shown in FIG. 15, the conventional elevator door 1600 has the following features.
Since it is composed of a large number of components, there has been a problem that the handling of the components during the assembly becomes very complicated. Also, because of the large number of parts used,
For assembling the door 1600, many man-hours are required. Also, the door 1600 as a finished product
Also, there is a problem that the rigidity is weak because there are many fastening positions by the bolt 1602 and the nut 1603.

Accordingly, the present invention provides an elevator door 16
00 as well as the elevator door 16
The first object is to increase the stiffness of 00.

By the way, the two doors 16 shown in FIG.
When the opening and closing mechanism of the doors 1600a and 1600b is adopted, the doors 1600a and 1600
b guide rails 1901a and 190
It is necessary to secure a sufficient space so that 1b can be installed side by side. That is, the two doors 16 shown in FIG.
The opening and closing mechanism of 00a and 1600b reduces the size of the elevator
(Thinning). Also, the opening and closing mechanism of the two doors shown in FIG. 20 is composed of a large number of parts, and therefore, the handling of parts at the time of assembling is complicated, and a large amount of time is spent on assembling. Labor is a problem.

Further, since the V-belt 1702 is fixed above the guide roller rows 1902a and 1902b supporting the door 1600a, the driving force transmitted from the V-belt 1702 and the threshold laid on the elevator body Due to the frictional force acting between the door roller 1604 and the door shoe 1604, a rotational moment is generated around the guide roller row 7 as an axis. Therefore, each part of the doors 1600a and 1600b, especially the door hangers 1601a and 1601b, are easily damaged due to excessive fatigue, so that the inspection work of the elevator must be frequently performed.

Accordingly, a second object of the present invention is to provide a door opening / closing mechanism which is compact and uses a small number of parts, and realizes miniaturization of an elevator. Further, a third object is to provide a door opening / closing mechanism capable of opening and closing the door without imposing an excessive load on each part of the door, and to facilitate maintenance of the elevator.

[0015]

According to the present invention, there is provided an elevator for opening and closing a door along upper and lower guide surfaces, wherein the door comprises a main body of the door,
An elevator is provided, comprising a reinforcing bone plate fixed to a main body of the door and having components for guiding the door along the upper and lower guide surfaces at both ends.

By attaching guide parts for guiding the door to both ends of the reinforcing bone plate as described above, dedicated parts (for example, conventionally required for attaching the guide parts to the door body) are provided. Many of the door hangers are unnecessary. Therefore, it is possible to improve the complexity of handling parts at the time of assembling the door of the elevator and to reduce the man-hour required for the assembling of the door. In addition, since many dedicated parts that have been required in the past become unnecessary, the number of places to be fastened by the boiler and the nut is reduced, so that the rigidity of the finished door is further increased.

[0017] The reinforcing bone plate provides:
If the glass covering the window formed in the main body of the door is fixed, the window glass fixing device is not required.

[0018] Further, a plurality of doors suspended on different running surfaces via rolling element rows and simultaneously moving in the same direction by the transmitted driving force are elevators, and each running surface on which each of said doors is hung. Are provided with guide rails formed in parallel on the top and bottom, and each of the doors is suspended from each of the running surfaces from both sides of the guide rails.

As described above, the use of the guide rails having the running surfaces formed vertically and vertically makes it possible to compare the two guide rails arranged side by side like the elevator described in the section of the prior art. The width of the space occupied by the guide rail can be reduced. That is, there is no need to provide an extra space in the vicinity of the elevator, so that the size of the elevator can be reduced accordingly.

The elevator further includes a driving means for pulling a door suspended from a guide rail via a guide roller and opening and closing the door along the guide rail. An elevator is provided, wherein the door is pulled at a position below a position where a rail supports the guide roller. In this manner, by pulling the door at a position below the position where the guide rail supports the guide roller, an extremely large rotational moment is not generated around the guide roller. Accordingly, each part of the door, in particular, the mounting part of the guide roller does not become extremely fatigued, so that the maintenance of the elevator is facilitated.

[0021]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

First, a basic structure of a door of an elevator 1 according to the present embodiment (hereinafter, referred to as an elevator door) will be described with reference to FIG.

The main components of the elevator door 1 are several (eight in the present embodiment) rivets 1 which are fixtures.
With the exception of 00, an elevator door body 101 and a window glass 102 covering a window formed in the elevator door body 101
A bone plate 103 that reinforces the elevator door body 101; a door shoe 106 that hangs on a sill laid on the elevator body; and two guide rollers 1 that run on guide rollers installed on the elevator body (not shown).
Roller bracket 10 to which 05a and 105b are attached
Only 5 parts of 4. That is, in order to minimize the number of parts necessary for manufacturing the elevator door 1, the conventionally prepared parts (four glass pressers 1 shown in FIG.
610, a door hanger 1601, and a shoe core 160
All the parts replacing 5) are formed on one bone plate 103. Hereinafter, the portions formed on the bone plate 103 will be described.

In the center of the bone plate 103, FIG.
The window frame 103b into which the window glass 102 is fitted is formed as shown in FIG.
The window 101a opened at the bottom is covered with a window glass 102 fitted into a window frame 103b of a bone plate 103. And eight rivets 100
By fastening the elevator door body 101 and the bone plate 103 at eight locations, the elevator door body 101 and the bone plate 103 allow the window glass 10 to be fastened.
2 can be clamped and fixed. That is, the window glass 102 can be mounted on the window 101a of the elevator door without using a dedicated component such as a glass holder.

The lower end of the bone plate 103 slightly projecting from the lower end of the elevator door main body 101 is connected to the lower end of FIG.
As shown in FIG. 5, the door shoe 106 has a shape to which the door shoe 106 can be attached. That is, the bone plate 10
By providing slits 103a at two places at the lower end of 3, a core bar 103c to be inserted into the hole 106a of the door shoe 106 is formed.

On the other hand, the upper end of the bone plate 103 protrudes from the upper end of the elevator door main body 101 by an appropriate length so that it can be used as a door hanger. That is, the guide roller 1 of the roller bracket 104 attached to the upper end of the bone plate 103
The elevator door body 101 can be hung from the guide rails by hanging the guide rails 05a and 105b on guide rails laid above the elevator elevator (see FIG. 5). Note that the bone plate 103 has strength enough to withstand use as a door hanger.
In this embodiment, a bone plate 103 having a rectangular cross section as shown in FIG.

By the way, as described above, the bone plate 10
3 partially has a shape suitable for use as a part to replace a conventionally separately prepared part, but of course,
Overall, it has a shape suitable for reinforcing the elevator door body 101. For example, the elevator door body 101
2 has a rectangular cross section as shown in FIG. 2, and both side ends 103 a of the portion abutting on the inner surface of the elevator door main body 101 are formed as reinforcing members with the upper portion 101 b of the elevator door main body 101. The lower part 101c is provided.

Bone plate 1 having such a structure
If 03 is used, the number of parts required for assembling the elevator door 1 can be suppressed as much as possible as described above, and the number of fastening points that lowers the rigidity of the elevator door 1 can be reduced. This can be clearly understood by comparing the structure of the conventional elevator door shown in FIG. 15 with the structure of the elevator door 1 according to the present embodiment shown in FIG. As a result, the complexity of handling parts at the time of assembling the elevator door 1 is reduced, the number of steps required for assembling the elevator door 1 is reduced, and the safety of the completed elevator door 1 is improved. You.

The description of the basic structure of the elevator door 1 according to the embodiment has been completed.

FIG. 5 shows a basic structure of a door opening / closing mechanism for opening and closing the two elevator doors 1, 1 'having such a structure, that is, a guide mechanism for guiding the two elevator doors 1, 1'. And a basic structure of a transmission mechanism for transmitting a force for driving the two elevator doors 1, 1 'will be described. The door opening / closing mechanism pulls out two elevator doors 1, 1 'from one door pocket and stores two elevator doors 1, 1' in one door pocket. 1 'is moved, and is installed above the elevator elevator like a normal elevator door opening and closing mechanism.

First, the basic structure of the guide mechanism for guiding the two elevator doors 1, 1 'will be described with reference to FIG.

The present door opening / closing mechanism is a guide mechanism for guiding the two elevator doors 1, 1 ', and includes a bracket 500 in which three guide rails 500a, 500b, 500c are vertically and juxtaposed at predetermined intervals d. Prepare. One of the elevator doors 1 is connected to the lowermost guide rail 500c from one side by the engagement between the guide roller rows 105a and 105b of the roller bracket 104 attached to the upper end of the bone plate 103 and the lowermost guide rail 500c.
0c. That is, the lowermost guide rail 5
00c is the running surface of the guide roller rows 105a and 105b, and the lower surface of the middle guide rail 500b is
It serves as a stopper for preventing the contact between the guide roller rows 105a and 105b and the running surface. Therefore, the guide rail 5
The vertical movement of the guide roller rows 105a and 105b is restricted by the upper surface of the guide rail 500b and the lower surface of the guide rail 500b. For example, an unexpected external force F ₀ as shown in FIG. Even in this case, one of the roller guides 105a is
the reaction force applied from the lower surface of the b F ₁ and the other guide roller 10
5b receives a reaction force F ₂ from the lower surface of the guide rail 500b.
Thus, the one-sided contact between the guide roller rows 105a and 105b and the running surface is prevented, so that the attitude of the elevator door 1 is maintained in a normal state.

Similarly, the other elevator door 1 'also has guide rollers 105a', of roller bracket 104 'attached to the upper end of bone plate 103'.
Due to the engagement between 105b 'and the middle guide rail 500b, the elevator door 1 is suspended from the opposite side to the one elevator door 1 by the middle guide rail 500b. That is, also in this case, the upper surface of the middle guide rail 500b becomes the running surface of the guide roller rows 105a ', 105b', and the lower face of the uppermost guide rail 500a is the guide roller row 105a ', 1
Since the stopper serves as a stopper for preventing the one-side collision between 05b 'and the running surface, the effect of maintaining the posture of the elevator door 1' in a normal state can be obtained.

Further, the bracket 500 in which the three guide rails 500a, 500b, and 500c are provided side by side as described above is compactly stored in a space having a smaller width than the space in which the two guide rails are provided side by side. Therefore, if a bracket having such a structure is used, the storage space to be secured above the elevator opening of the elevator can be reduced. That is, it is possible to reduce the thickness of the elevator.

If the bracket 500 with the stopper integrated in this way is used, each guide roller row 105
Rollers (rollers 1903a and 1903b in FIG. 19) for preventing the a, 105b, 105a 'and 105b' from hitting each other.
Need not be attached to the door hangers 103, 103 ', so that the number of parts required for assembling the elevator doors 1, 1' can be reduced.

By the way, in order to obtain such an effect,
It is not always necessary to use the bracket 500 having the structure as shown in FIG. For example, instead of the bracket 500 as shown in FIG. 5, a plate member 700 having a rectangular cross section as shown in FIG. 7 may be used as a guide mechanism for guiding the two elevator doors 1, 1 '. . In this case, as shown in FIG. 8, one side face 700b, 700d of the rectangle protruding in the horizontal direction is connected to each guide roller row 1
05a, 105b, and a part 700 of the plate member 700 which is bent out to face the running surface of each guide roller row 105a, 105b.
a, 700c are used as stoppers for preventing the one-side contact state of the guide roller rows 105a, 105b. Therefore, the vertical movement of the guide roller arrays 105a and 105b is restricted by the running surfaces 700b and 700d of the guide roller arrays 105a and 105b and the stoppers 700a and 700c. Even when an external force F ₀ is applied to the elevator door 1, the reaction force F ₁ received by one of the roller guides 105 a, 105 a ′ from the running surfaces 700 b, 700 d and the other guide rollers 105 b, 105 b ′ become the stoppers 700 a, 70.
The reaction force F ₂ received from 0c, each guide roller array 105a, 105b, 105a ', 105b ' and the running surface 70
Since the one-side contact state with 0b and 700d is prevented, the attitude of the elevator doors 1 and 1 'is maintained in a normal state.
In addition, the main plate member 700 is a bracket 500 shown in FIG.
Since it is lighter than this, if this is used, the effect of maintaining the attitude of the elevator door 1 as well as the effect of using the bracket 500 shown in FIG. 5 and the effect of reducing the weight of the elevator are achieved. be able to.

Next, a basic structure of a transmission mechanism for transmitting a force for driving the two elevator doors 1, 1 'will be described by taking as an example a case where the plate member 700 shown in FIG. 7 is used as a guide mechanism. I do.

The elevator door 1 (ie, the elevator door suspended from the upper traveling surface 700b), which has a longer moving distance until it is stored in the door pocket, is provided with a belt transmission device installed above the elevator elevator. Is opened and closed by the power of the motor 1000 transmitted from the motor. That is,
As shown in FIG. 11, the guide roller 104 of the elevator door 1 is fixed to a V-belt 1102 suspended between a driving pulley 1100 and a driven pulley 1101 by a fixing bracket 1103.
And the driving pulley 1
When rotation is given to 100, the elevator door 1 is pulled by the feed of the V-belt 1102.
Note that the present belt transmission device reduces the rotational moment due to the driving force transmitted from the V-belt 1102 and the rotational moment due to the frictional force acting between the sill laid on the elevator main body and the door shoe 106 with each other. Guide roller array 105 supporting elevator door 1
The V-belt 1102 is configured to be located below the a and 105b (see FIG. 12). Therefore, the elevator door 1 opens and closes smoothly, and the door hanger 103 and the roller bracket 104 are not excessively fatigued. Therefore, the failure of the elevator door 1 does not frequently occur, and the burden of elevator maintenance work is reduced.

On the other hand, the elevator door 1 ′ having a shorter moving distance until it is stored in the door pocket (that is, the lower traveling surface 700 d
The elevator door suspended from the elevator door) is configured to be pulled by one of the elevator doors 1. That is, the bone plate 103 'of the elevator door 1'
The roller bracket 104 'attached to the upper end of the
As shown in FIG. 13, two shafts 1300a and 1300b
Are caulked in a horizontal row, and each shaft has a bearing 1301a, 1301b and a C-ring 1302a,
1302b and a pulley portion 1303 on one end surface.
a, 1303b formed with guide roller 105a ', 1
05b 'is rotatably mounted. As shown in FIG. 10, both ends of the two guide rollers 105a and 105b are restrained by fixing members 1001 via metal members 1002 to a plate member 700 attached to the elevator body, as shown in FIG. Wire 1003 is suspended. Since the wire 1003 is gripped by the metal fitting 1004 fixed to the door hanger 103 of the other elevator door 1, for example, the other elevator door 1 is moved rightward by power transmitted from the belt transmission device. To the left, the left guide roller 105a 'attached to the roller bracket 104' of the elevator door 1 'moves in the right direction A.
It acts as a moving pulley under the force of. As a result, the elevator door 1 'moves in the right direction A at half the speed of the other elevator door 1.

The guide roller rows 105a 'and 105b'
Guide roller row 105 so that the trajectory of
a ′, 105b ′, a rubber ring 1304a extrapolated to the outer peripheral surface,
1304b is brought into contact with the running surface 700d of the plate member 700, and the pulley portion 1 formed on one end surface
The guide rollers 105a 'and 105b' move in the lateral direction B (the plate members 70a and 1303b) by the flange portions 1305a and 1305b formed on the other end surfaces.
0 (movement in the direction crossing the running surface 700d) (see FIG. 11).

As described above, the pulley portions 1303a and 1303b are provided on one end face which has been conventionally used as the flange portion.
By using the guide rollers 105a 'and 105b' formed as shown in FIG. 19, it is not necessary to separately prepare two pulleys as shown in FIG. 19, so that the number of parts required for assembling the elevator door can be suppressed. . Accordingly, this also achieves an improvement in the complexity of handling parts at the time of assembling the elevator door, and a reduction in the number of steps required for assembling the elevator door.

By the way, the method of towing the elevator door 1 'having a shorter moving distance until it is stored in the door pocket is not necessarily realized only by the configuration shown in FIG. For example, as shown in FIG. 14, the moving distance before being stored in the door pocket is short using a belt transmission device that transmits a driving force to the elevator door 1 having a longer moving distance until being stored in the door pocket. One elevator door 1 'can be towed. In this case, an input shaft 1101a and an output shaft 1101b having different diameters from each other are provided as a dependent pulley 1101 of a belt transmission device for transmitting a driving force to an elevator door 1 having a longer moving distance until it is stored in a door pocket. The driven pulley 1101 is used. In this embodiment, the output shaft 1101 with respect to the diameter of the input shaft 1101a is used.
The ratio of the diameters of b is 1/2. The output shaft 1101b of the slave pulley 1101 and another slave pulley 140
0, the V-belt 1401 is suspended between the V-belt 1401 and the roller bracket 10 of the elevator door 1 ′.
4 ′ is fixed with a fixing bracket 1402. Therefore, the motor 1
000 to the driving pulley 1100, the V-belt 1401
Speed feed. That is, according to this configuration, similarly to the configuration shown in FIG. 10, the elevator door 1 ′
Can be towed at half the speed of the elevator door 1. If it is necessary to change the moving speed of the elevator door 1 ', the input shaft 1101a of the slave pulley 1101 is required.
May be adjusted by adjusting the ratio of the diameter of the output shaft 1101b to the diameter of the output shaft 1101b.

Also in this case, the elevator door 1 'is smoothly opened and closed, and the elevator door 1' is supported so that the door hanger 103 'and the roller bracket 104' of the elevator door 1 'are not excessively fatigued. The V-belt 1401 is positioned below the guide roller rows 105a 'and 105b' (see FIG. 14).

[0044]

According to the elevator according to the present invention, it is possible to improve the complexity of handling parts at the time of assembling, reduce the number of man-hours required for assembling work, and improve safety. This effect is attributable to the simplification of the structure of the door used in the present elevator and the resulting increase in the rigidity of the door due to the reduction in the number of fastening points.

According to the elevator according to the present invention,
The installation area can be saved. This effect is due to the fact that a thinner elevator can be manufactured by making the opening and closing mechanism of the two doors slim.

According to the elevator according to the present invention,
The burden of elevator maintenance work can be reduced. This effect is attributable to the fact that the fatigue of the door hanger and the roller bracket during opening and closing of the door is reduced by improving the opening and closing mechanism.

[Brief description of the drawings]

FIG. 1 is a basic structural diagram of an elevator door according to an embodiment of the present invention.

FIG. 2 is a sectional view of the bone plate 103 taken along line AA of FIG.

FIG. 3 is a sectional view of the bone plate 103 taken along line BB of FIG. 1;

FIG. 4 is an enlarged view of a core part of a door shoe formed on the bone plate 103 of FIG. 1;

FIG. 5 is a diagram showing an example of a basic structure of a guide mechanism for an elevator door according to the embodiment of the present invention.

FIG. 6 is a diagram for explaining an effect of maintaining a posture of an elevator door by a stopper.

FIG. 7 is a diagram showing an example of a basic structure of an elevator door guide mechanism according to the embodiment of the present invention.

FIG. 8 is a schematic view of a center cross section of the guide mechanism of FIG. 7;

FIG. 9 is a diagram for explaining an effect of maintaining a posture of an elevator door by a stopper.

FIG. 10 is a diagram showing an example of a basic structure of a transmission mechanism for transmitting a driving force of an elevator door.

FIG. 11 is a diagram showing an example of a basic structure of a transmission mechanism for transmitting a driving force of an elevator door.

FIG. 12 is a schematic view of a center cross section of the transmission mechanism of FIG. 11;

FIG. 13 is a schematic view of a central section of a roller bracket of an elevator door having a short moving distance.

FIG. 14 is a diagram showing an example of a basic structure of a transmission mechanism for transmitting a driving force of an elevator door. .

FIG. 15 is a schematic view of a center cross section of the transmission mechanism of FIG. 14;

FIG. 16 is a basic structural diagram of a conventional belt transmission device for an elevator door.

FIG. 17 is a basic structural view of a conventional elevator door opening / closing mechanism.

FIG. 18 is a basic structural view of a conventional elevator door drive mechanism.

FIG. 19 is a basic structural view of a conventional elevator door guide mechanism.

FIG. 20 is a diagram showing a state of attachment of a conventional elevator door.

[Explanation of symbols]

1, 1 '... elevator door 100 ... rivet 101 ... elevator door body 102 ... window glass 103 ... bone plate 104 ... roller bracket 105a, 105b ... guide roller 106 ... door shoe 500 ... bracket 500a, 500b, 500c ... guide rail 700 ... plate Member 1000 ... Motor 1001 ... Fixing bracket 1002 ... Mounting bracket 1003 ... Wire 1004 ... Mounting bracket 1100 ... Moving pulley 1101 ... Driving pulley 1102 ... V belt 1103 ... Fixing brackets 1300a and 1300b ... Guide rollers 105a and 105
shaft 1301a, 1301b ... bearing 1302a, 1302b ... C-ring 1303a, 1303b ... pulley section 1304a, 1304b ... rubber ring 1400 ... dependent pulley 1401 ... V-belt 1403 ... fixing bracket

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Makoto Tachibana 1070 Ma, Hitachinaka City, Ibaraki Prefecture Inside the Mito Plant of Hitachi, Ltd. Mito factory

Claims (10)

[Claims] 1. An elevator for opening and closing a door along upper and lower guide surfaces, wherein the door is fixed to a main body of the door and a main body of the door, and is provided at both ends with the upper and lower guide surfaces. An elevator, comprising: a reinforcing bone plate to which a component for guiding the door along is attached. 2. The elevator according to claim 1, wherein the door body is fixed to the door body and has a window formed therein, and the reinforcing bone plate has a window frame formed therein. A sheet fitted in a window frame formed in the reinforcing bone plate, the sheet fitted in a window frame formed in the reinforcing bone plate, the main body of the door and the reinforcing bone plate, An elevator, wherein a window formed in the main body of the door is covered by fixing the door. 3. A guide mechanism comprising a guide rail, a guide roller row running on the guide rail, and a stopper for preventing movement of the guide roller row in a direction perpendicular to the guide rail, An elevator for opening and closing a door, wherein the stopper is a flat plate provided along the guide rail. 4. An elevator for opening and closing a door using a guide mechanism for rolling a row of rolling elements on a running surface of a guide rail, wherein the guide rail is provided with a guide rail opposed to the running surface. An elevator, wherein a surface is formed between the rolling element rows to form a space at a predetermined interval where the rolling element row turns. 5. An elevator comprising a driving means for pulling a door suspended from a guide rail via a guide roller and for opening and closing the door along the guide rail, wherein the driving means comprises: An elevator, wherein the door is pulled at a position below a position where a rail supports the guide roller. 6. An elevator comprising a plurality of doors suspended on running surfaces different from each other via a row of rolling elements and simultaneously moving in the same direction by a transmitted driving force, wherein each running surface suspends said door. An elevator, wherein each of the doors is suspended from each of the running surfaces from both sides of the guide rail. 7. The elevator according to claim 6, wherein a first belt for pulling one of the plurality of doors moving simultaneously in the same direction by a driving force transmitted from a motor, and the transmitted driving force. A second belt disposed directly below the belt, wherein the first belt pulls doors other than the one door in the same direction as the direction in which the first belt pulls the one door, and an input side having a predetermined diameter. And an output pulley having a diameter different from the diameter of the input side to the second belt. 8. The elevator according to claim 7, wherein the ratio of the diameter of the output side to the diameter of the input side of the dependent pulley is the maximum that the other door moves relative to the maximum distance that the one door moves. An elevator characterized by being determined by a distance ratio. 9. The elevator according to claim 6, wherein the first belt pulls one of the plurality of doors which moves simultaneously in the same direction by a driving force transmitted from a motor; Dependent pulleys respectively attached to the rotating shafts of the rolling elements at both ends of the rolling element row of the door other than the door, and the one door stretched between the two dependent pulleys and pulled by the first belt. Sent by moving,
An elevator comprising a wire whose both ends are restrained. 10. An automatic door that opens and closes a door along upper and lower guide surfaces, wherein the automatic door is fixed to the door body, and both ends are disposed along the upper and lower guide surfaces. An automatic door, comprising: a reinforcing bone plate to which a component for guiding the automatic door is attached.