JPS58173273A - Slide apparatus of curved door - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a device for controlling the draw of two curved doors in a circular arc shape along an entrance or exit, or for making the draw of the curved doors approach each other. As a device, 114
There is a device related to Utility Application No. 56-12992 that the applicant proposed earlier. This device is an endless loop wound around two reversing pulleys that are rotatably attached to both ends of the doorway. The co-rotating members K are movably guided by a plurality of guide pulleys so that they are substantially parallel to each other and form a circular arc shape that approximates the curved surface of the doorway. In this conventional device, when one curved door is moved, the other curved door is connected to the other end of the rotating member. Since the other curved door also moves, there is an advantage that by providing a drive device on only one of the two curved doors, the curved doors can be brought closer to each other. Since it is necessary to guide the fruit in an elliptical shape that approximates the curved surface of the entrance/exit, nine more guide pulleys are required, which increases the manufacturing cost of the fruiting device and also increases the rotation of the many guide pulleys. In addition, when used on a curved door with a large radius, there is a risk that the rotating moving member made of wire etc. may come off the guide pulley due to the shaking of the moving member as the curved door itself moves. In addition, the connecting metal fittings of the curved door that are fixed to the co-rotating member have the disadvantage that they interfere with the guide pulleys and make it impossible to provide a recess for the guide pulleys. When the rotary movable member is in the position, the rotary movable member is partially pulled strongly and the tension can be uneven, which has various drawbacks such as shortening the life force z of the rotary movable member.

This invention was made in view of the circumstances of the subordinate,
The purpose is to eliminate the drawbacks of conventional devices, and its features include reducing the number of guide pulleys,
Moreover, there is almost no possibility that the separating member will come off the guide pulley, and if necessary, a stopper can be provided, and the durability of the separating member can be made equal. Embodiments will be described in detail below based on the descriptions of the drawings.0 In FIGS. 1 to 8, two curved doors 1a+lb
The curved door la, ib # concentric guide plate 3 a +
, 3 b is fixed. And the entrance/exit of the building (
Oval-shaped door rails 4a, 4 laid above (not shown)
bK is the connecting fitting 2 a + 2 a and 2 b, 2
A door wheel 5a rotatably fixed to b.

5a and 5b, 5b are guided to form two curved doors l
It is possible to move it in the shape of a or lb.

Lf (On both sides above the entrance, there are two reversing pulleys 6a and 6b rotatably attached to the building at different heights, and furthermore, these two reversing pulleys 5a-
, 6b, two rotatable guide pulleys 7 are rotatably attached to the building between the curved doors la and lb in the convex side direction.
There is a e 7 b. And these two guide pulleys?
One guide pulley 7a of a + 7 b is installed at almost the same height as one of the two reversing pulleys 6 b + 6 a, and the other guide groove *7b The two reversing pulleys 6b are also installed so that the running height of the other reversing pulley 63 is approximately the same.

6a and the two guide grooves m7a and 7b are mounted so as to be rotatable in the horizontal direction. Furthermore, when a drive source 8 is connected to one of the reversing pulleys 6b as required, the VC can be driven to rotate. Two curved doors 1 a + l
An inner protrusion 9 a + 9 b is provided at the inner end of the convex outer circumferential surface of the guide plates 3 a and 3 b , and an outer protrusion 1 is provided at the outer end thereof.
0a, job≠;Inner protrusion 9a of one guide plate 3a and outer protrusion 1 of the other guide plate 3b are provided respectively.
The height position of 0b is approximately the same height as the reversing groove IIL6a on the guide plate 3a side provided with the inner protrusion 9a. The height position of the inner protrusion 9b is approximately the same height as the reversal groove *6b on the guide plate 3b side where the inner protrusion 9b is provided. Of the two separating members 11a and llb, one separating member 11a is fixed to an outer protrusion 10a of one guide plate 3a [one end thereof is fixed to the outer protrusion 10a].
The guide slide i4.7a and the reversing stop 6b are located at approximately the same height as the guide plate 3b of the other Jj. Similarly, the other side member 11b fixes one end of the outer protrusion 10bπ of the other guide plate 3b, and also fixes the outer protrusion 10b.
The guide pulley 7b and the reversing pulley 6a are located at almost the same height.
The other end is fixed along the inner protrusion 9aK along one guide plate 3aK. Then, the installation positions of the two reversing grooves tL6a, 6b and the two guide pulleys 7a, 7b, the support side member 11a+11b and the guide pulley 7a.
+7b contacts Pla, Plb and the support side member 1
Contact points P2a and P between 1a and llb and guide plates 3a and 3b
The length Lla of the side member 11a and llb between 2b,
It is always constant regardless of the open/closed position of the curved door la, lb, and is the contact point P3b between the back side members 11a, 11b and the reversing pulleys 6b, 6a.

P3a, the support side members 11a and 11b, and the guide plate 3b.

3a's contact point P4b, the side member 11a between P4a, ll
Two reversing cleats 6a, 6b and a guide pulley 7 are installed so that the lengths L2a, L2b of the curved doors 1a, lb are always constant regardless of the opening and closing positions of the curved doors 1a, lb.
To prevent the support side members 11a and 11b from falling off from a + 7b, it is necessary to place them adjacent to each other (this is a stopper installed on occasion).

The operation of the present invention with the above configuration will be explained. First, the two curved doors are changed from the closed state shown in FIGS. 1 and 2 to the open state shown in FIGS. 3 and 4. Divide 1a and lb into an arc shape and move in the opening direction, that is, arrow A.
Or, the case of moving in direction B will be explained with reference to FIGS. 5 to 8. First, the driving source 8 is attached to the reversing stopper 6b.
In a curved door opening/closing device that connects the two, this drive switch is turned on to rotate the reversing pulley 6b. Then,
The internal protrusion MJIIbK of the guide plate 3b of the curved door lb is fixed on one end side, and the intermediate part contacts the outer periphery of the guide plate 3b at the seventh contact point P4b, and is wound around the reversing pulley 6b and the guide pulley 7a, and the other end side is connected to one curved door. outer protrusion 10aK of guide plate 3a of la
Move the fixed member 11a in the direction of arrow A (
As shown in FIG. 5, the curved door lb is pulled by this and moves in the opening direction indicated by the arrow B. Along with this movement, curved door 3
One end of the outer protrusion 10br of b is fixed, and the intermediate part is wound around the guide slide m7b and the reversing pulley 6a.
The other side member 1 to which the inner protrusion 9aK of a is fixed
In this way, the two curved doors lb and 1a move in the opening direction of arrow A, being pulled by the curved door 1a. 0 At this time, the curved doors la and 1b are moved in the direction of arc-shaped arrows A and B by moving the door wheels 5a and Sa, which are rotatably fixed to the connecting fittings 2a+2aK.
Position connecting fittings 2b, 2bK Rotatably fixed door wheel 5b
, 5b or arc-shaped door rails 4a+4b.

In a curved door opening/closing device that does not have a drive source 8, 2
When one of the two curved doors 1a and 1b, for example, the curved door 1b, is manually moved in the direction of arrow B in the opening direction, the other curved door 1a is also moved in the opening direction by the side member 11b in the same manner as described above. It is pulled and moved in the direction of arrow A, and the entrance/exit is opened.

An operation of connecting the drive source 8 to the other reversing groove m6a to move the two curved doors la+lb in the directions of arrows A and B in the opening direction, and manually moving the curved door la in the direction of arrow A in the opening direction. Since the operation of opening the entrance/exit by opening the entrance/exit can be easily inferred from the above description, a description thereof will be omitted.

Next, from the open state of the curved door shown in FIGS. 3 and 4 to the closed state shown in FIGS. 1 and 2, the two curved doors la and lb are moved toward each other in a circular arc shape in the closing direction. To explain the operation when moving in the arrow C and D';#y direction, the drive source 8 of the reversing stop 6b is rotated in the reverse direction. Then, the back side member 11a is pulled in the direction of arrow C as the reversing pulley 6b rotates (Fig. 6), so the curved door 1aVi is pulled by this back side member 11a and moves in the direction of arrow C. . As the curved door la moves, it is pulled and moved in the direction of the arrow by the separation member Hb, which is pulled in the direction of the arrow (FIG. 8). In the door opening/closing device, when one curved door lb is manually moved in the direction of the arrow in the closing direction, the other curved door 1a is also moved in the direction of the arrow C in the closing direction by the separating member 11aK as described above. The door is pulled and moved in the same direction, and the entrance is closed.

The operation of connecting the drive source 8 to the other reversing groove type 6a to move the two curved doors la and 1b in the direction of arrows C and D in the closing direction, and the operation of manually moving the curved door Xa in the closing direction. Since it can be easily inferred from the above explanation, the description will be omitted. In addition, the inner protrusions 9a + 9b and the outer protrusions 10a and 10b must be provided at the inner and outer ends of the curved doors la and lb. It doesn't matter if you are in favor of it or if you are on the inside or outside. However, in that case, the opening/closing width of the two curved doors la and lb will be affected, and the inner protrusion 9 a
*9 b, outer protrusion 10a, lOb are curved door 1
The opening/closing width becomes smaller ζ as it goes deeper into a and 1b.

As explained above in the embodiments, according to this F3JJK, first, in the closed state shown in FIG.
The inner end of the guide plate 3bK is circumscribed by the length of the contact point P4b from the point of the strike side protrusion 9b. In the open state shown in FIG. 6, the inner protrusion 9b and the contact point P4b
Since they match, the part that circumscribes the guide plate 3b is completely eliminated. On the other hand, the outer end Vc of the guide plate 3a, which has the same radius of curvature and the same width as the guide plate 3b, has a length corresponding to the outer protrusion 10a provided and the contact point P2a. , so in the end, the separation member 11a that is circumscribed to the guide plate 3b is just circumscribed by the guide plate 3a, so the two guide plates 3 a * 3 A separation member 11 circumscribing b. The sum of the lengths is always constant.

Moreover, as mentioned above, the length LXas' of the separation member 11a between the contacts Pla and P2a: contact! Since the length L2a ti of the separation member 11a between 1P3b and PJb is constant,
The separation member 11a can always have a constant tension, and the opening and closing operations of the two curved doors la and lb are performed smoothly and reliably.〇The other separation member 11b
[Explanation is omitted for this case as well, but the same applies. .

The following explanation will be explained in more detail based on FIGS. 9 to 11. When the guide pulley is in the position shown in the drawing Vafri, the separating members 11a, l! - The lengths t and ia between the contact point P2a of the curved door la with the guide plate 3a and the contact point Pla of the separation member 11a and the guide pulley 7a are all constant when fully open, half-open, and fully closed. However, for example, if the guide pulley 7a is not installed at the position 7a' on the side of the curved door, the difference between the contact points Pla' and P2a' at K when the door is half open (Fig. 10) and when it is fully closed (Fig. 9) Are the long vines of
Contacts PI a' and P2a' when fully open (Fig. 11)
The length is different when fully closed or half open.

That is, as the guide plate 3a passes from the position of the contact P2a' when fully closed, the contact P2a' between the guide plate 3a and the traction member 1a moves every moment, so as shown in FIG. Considering the length of the separation member 11a in between, it is the sum of the length 3m-+ of the part circumscribing the guide plate 3'a when fully closed and the length mz between P2a and Pla, or the contact point when fully open. This will be larger than the length between P2 a' and Pla'. Therefore, when the separation member 11a is close to fully opened, it becomes easy to come off from the guide pulley 7a' and the reversing pulley 6b, and there is a change in the tension applied to the separation member 11a between when it is fully closed and when it is fully opened. Since a small amount of tension is applied when fully opened, durability will be lost.

Further, for example, when the guide groove m7a is provided at the position 7a further moved to the opposite side of the curved door, the length when fully open and half open is different from the length when fully open.

That is, the contact point P2a between the guide plate 3a and the separation member 11a
As shown in FIG.
Considering the length of the separating member 11a between a and P2a, the length nl of the part circumscribing the guide plate 3a when fully closed is
The total length of the length n4 between contacts P2a'' and Pla'' changes to the length n4 between contacts P2a'' and Pla'' when fully open. Therefore, a large tension is generated near the point where the separation member 11a is fully closed. When fully opened, a small tension is applied, resulting in a loss of durability, and near the fully opened position, it becomes easy to come off the guide pulley 7a and reversing pulley 6b.

First, the draw of the curved door of this invention is as follows:
Contact point P2a between the bow member 11a and the guide plate 3a.

The contact points P4b between the bow member 11a and the guide plate 3b are always located at the same position. That is, in FIG. 9 and FIG. 11, the contact point P2a in fully closed, half-open, and fully open is directly passed through the layer 1, and the straight line MkJL passing through the contact point Pla between the drawer member 11a and the guide pulley 7a is parallel, and the distance between them is 7?
1 is always constant, and the straight line 41j that passes through the contact PJb! k
s is parallel to a straight line passing through the point of contact P3b between the pulley member 11a and the inverted slider 6b, and the positive pressure Nb is always kept constant during that time.

The other bow member 11bK is also the same as described above, so its explanation will be omitted. Also, contact p of reversal groove] E6b
3b and the contact point P4b of the guide plate 3b of the curved door lb, since the length L2a between the contact point P4b of the guide plate 3b of the curved door lb changes as the curved door 6b moves due to the different installation positions of the reversing pulley 6b.
The same thing as above occurs.

Therefore, since the distance traveled from the attachment position 9a on one side of the drawer member to the attachment position 9bt on the other side is always constant regardless of the open/closed position of the door, the tension applied to the drawer member does not change. Fig. 19 KF-1 shows another embodiment of the present invention, each figure corresponding to Fig. 1 to Fig. 8 of the previous embodiment. Member 11a
This device is used for the chain lla' and is designed to rotate the reversing groove *6b in the vertical direction.The device of this embodiment is designed to rotate the reversing pulley 6b by the drive source 8 or the entrance/exit. Depending on the circumstances surrounding the reversing pulley 6
0 is effective when it can only be installed in the horizontal direction of b.
In addition, since the chain 11a is used for the part of the bow member that rotates around the reversing pulley 6b connected to the drive source 8, and the reversing sliding sprocket is used, slips are completely prevented and the drive source There is no power loss or power loss of 8.Other operations and effects are the same as those of the previous embodiment.In Figs. 20 and 21, two guide pulleys 7a and 7b are used each. This embodiment r has the same operation and effect as long as it satisfies the requirements of the first embodiment, but if this embodiment is effective,
The curved doors la and lb have a large radius and the guide pulley 7a
, 7b should be installed far away from the convex outer layer surfaces of the curved doors la, lb. 0 In addition, as long as the requirements of the first embodiment are satisfied, the number of guide pulleys 7 a + 7 b is not limited.

As is clear from the explanation below, according to the present invention, since the number of guide pulleys 7a and 7b is at least one each, it is possible to reduce the manufacturing cost of the device.
In addition, since it is not necessary to provide a large number of guide pulleys, almost no noise is generated due to their rotation.Furthermore, even when used for curved doors 1a, lb with a large radius, the guide pulleys 7a,
7bK ◆ Since the bending angle of the turnable bow members 11a and llb is larger than that of the conventional device, the drawstring member 11a
The nllb almost never comes off, and even if it becomes easy to come off due to special installation conditions, it will come off easily.
2, guiding pulleys 7a + 7b and reversing pulleys 6a, 6
b [If this can be effectively prevented by providing them adjacent to each other, it is possible to effectively prevent this problem.
The tension of lb is curved door la.

Since it is always constant regardless of the open/closed position of 1b, it is possible to improve the durability of the bow members 11a and llb.
Ru0

[Brief explanation of the drawing]

The drawings show an embodiment of the device 8A, in which Fig. 1 is a plan view of the main part when the curved door is closed, Fig. 2 is a front view of the main part, and Fig. 3 is a front view of the main part.
The figure is a plan view of the main part when the same is opened, Figure 4 is a front view of the main part,
Figure 5 is an explanatory diagram of the state of one of the drawstring members when the TiU door is closed, @ Figure 6 is an explanatory diagram of the state of the same when it is opened, and Figure 7 is an illustration of the state of the other drawer member when the door is closed. FIG. 8 is an explanatory diagram when the same is opened. FIGS. 9 to 11 are explanatory diagrams showing the relationship between the bow member, the guide pulley, and the reversing pulley. FIG. 12 is a plan view of the main part when the curved door is closed, FIG. 13 is a front view of the same,
Fig. 14 is a plan view of the main part when the same is opened, Fig. 15 is a front view of the same, Fig. 16 is an explanatory diagram of the state of one of the traction members when the curved door is closed, and Fig. 17 is an explanation when the same is opened. Figure 18 is an explanatory diagram of the state of the other traction member when the same is closed, Figure 19 is an explanatory diagram when the same is opened, and Figures 20 and 21 are two guide pulleys used in one traction member. O shows an explanatory diagram when
l a + l b...Curved door, 3a, 3b...
・Guide plate, 6a + 6b... Reversing pulley, 7a,
7b...Guiding non-slip, 8...Drive source, 11a, 11b
... Traction member, 12... 1st toe removed, Pla,
Plb, contact point between traction member and guide pulley, P2a, P
2b...Contact point between the traction member and one - guide plate, P3
a. P3b Contact point of traction member and reversing pulley, P4a, P4
b・keA. Contact points between the pulling member and the other guide plate, Lla, Llb...P
The length of the traction member between layrib and P2a, P2b,
L2a, L2b-P3a, P3b and P4a, PJ
Length of traction member between b 0 Patent applicant: Japan Air Brake Co., Ltd. Agent: San Watanabe
Hiko

Claims (1)

[Scope of Claims] 1. In a curved door opening/closing device that opens or closes a doorway by drawing two curved doors in an arc shape along the doorway or approaching each other, there is provided a device near both ends of the doorway. IC
A curved door with one end placed above the two curved doors and one of the two circular guide plates on the guide pulley attached to the rotating shaft. A traction member fixed on the inside side and the other end side fixed on the outside side of the other guide plate is wound 1 and further rotatably between the other of the two reversing pulleys and the middle of these two reversing pulleys. One end was fixed to a guide pulley different from the attached guide pulley to the outside of one of the two guide plates, and the other end was fixed to the inside of the other guide plate. The length between the contact point of the guide pulley and the guide plate of these two traction members formed by winding the traction member, and the length between the contact point of the reversing pulley and the guide plate are always constant regardless of the open/closed position of the two curved doors. Curved door drawing device 02. The curved door drawing device according to claim 1, wherein one of the two reversing pulleys is rotationally driven by a drive source. 3. The drawing of the curved door according to claim 1 or 2 is a device 04, in which the reversing pulley and the guide pulley are equipped with a mechanism to prevent the traction member from coming off. A patent claim in which the reversing pulley is installed vertically. The draw of a curved door according to any one of items 1 to 3 is a device. 5. The reversing pulley is placed in the horizontal direction [attached claim 1
A draw device for a curved door according to any one of items 1 to 3. 6. The draw of a curved door according to any one of claims 1 to 5, wherein one of the reversing pulleys rotated by a driving source is a sprocket and a traction member or chain is wound around the reversing pulley. Device.