JPS606141Y2 - Vehicle folding door opening/closing device - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a folding door opening/closing device that is attached to the entrance of a bus-type vehicle.

In this type of opening/closing device, when the folding door is operated from a certain direction to open and close, it is necessary to set the operating angle β1 of the doors 1 and 2 to be large, as shown in FIG. 1A.

This is because, when the operating angle β1 is made smaller, the opening/closing force applied to the roller (not shown) becomes smaller when the folding door is open, which makes it difficult to open and close the folding door. If the folding door is made automatic and forced to open and close using a door pusher (not shown), excessive force will be applied to the rollers and guide rails (not shown), causing the rollers, guide rails, or door pusher to This is because there is a risk of damaging the operating motor (not shown) or the like.

Therefore, in the past, as shown in the figure, a spacer 3 with increased height is fixed to one of two doors 1 and 2 that are hinged to each other, and the base end of the door 1 pivoted to the vehicle body and the other door 2 are fixed to each other. The distance B1 between the tip and the tip was relatively wide, and the working angle β□ was set.

Therefore, when opening the folding door, it is not possible to widen the opening degree A1, and when closing the door, it closes in a straight direction, so there is a risk of pinching the passenger's fingers, etc.
In order to eliminate this drawback, an elastic material 4 with a large compression margin is fixed to the leading edge of the door 2.

7 is an entrance and 20 is a stopper.

In order to solve the above-mentioned drawbacks, as shown in FIG. 1, a bracket 6 having a roller 5 is provided protruding from the inner surface near the tip of the door 2, and a guide rail 8 is provided on the indoor side of the lower elevating lower part.
There has been a device in which the roller 5 is configured to roll along the guide rail 8 to widen the effective opening degree of the lifting lower, but in this structure, the guide rail 8
There were problems such as the fact that the walls protruded into the room, which not only was a nuisance but also looked unsightly.

21 is a spacer.

Figures 1C and 2 are proposed to eliminate the problem of the opening in Figure 1, and the one shown in Figure 1C is the guide rail 8.
The above-mentioned problem is solved by providing a roller on the lifting lower, but in this way, the two rollers, the main roller 9 that moves along the guide rail 8 and the sub roller 10 attached to the bracket 6, Moreover, when the sub-roller 10 closes the door, it leaves the guide rail 8 halfway, but since the door closes in a straight line, there is a risk of pinching the passenger's fingers or the like.

In addition, in the case shown in 2, a roller support plate 14 provided with two rollers 12 and 13 is pivotally supported by a pin 11 on a bracket 6 protruding from the inner surface near the tip of the door 2, and a guide is provided. The above-mentioned problem is solved by providing the rail 8 on the lower elevating lower part. In this case, although the rollers 12 and 13 are in an idle state with respect to the door 2, only the roller 13 starts closing. However, there is a problem in that the opening/closing operation is not only smooth, but also has a complicated structure.

Therefore, the present invention eliminates the above-mentioned conventional problems, has a simple structure, and can have a wide effective opening.
The object of the present invention is to provide a folding door that does not pinch fingers or the like.

Therefore, in this invention, two doors installed at the vehicle entrance are hinged to each other so that they can be opened and closed, one door is pivoted to the vehicle body, and a door is attached to the top of the open end of the other door that protrudes into the interior. A roller is mounted on the bracket to move along a guide rail installed at the top of the vehicle entrance, and when the door is closed, the guide rail moves the arc-shaped curved part in which the roller is accommodated to the indoor side. The intended purpose is achieved by providing a switchgear configured to protrude from the front.

The present invention will be described below with reference to illustrative embodiments.

The folding door consists of two doors 1 and 2, which are hinged to each other by a hinge 15 so that they can be opened and closed. Alternatively, the rear end is pivotally connected to the vehicle body 17 by bearings (not shown) provided on the upper and lower frames of the lifting lower, and the doors 1 and 2 are configured to open and close the lifting lower. There is.

The open end 2' of the other door 2 is provided with a bracket 6 that protrudes to the side, which becomes the indoor side when the door 2 is closed, and is installed on the upper frame (not shown) of the lower lift. A roller 5 is attached to the bracket 6 and is moved along a guide rail 8 which has an opening in cross section and is open at the bottom.

At the tip of the guide rail 8, an arcuate curved portion 18 is integrally connected toward the indoor side so that the roller 5 is accommodated when the doors 1 and 2 are closed.

Further, a weather strip (not shown) is attached to the open end 2' of the other door 2, and when the doors 1 and 2 are closed, the weather strip is formed on the side edge of the lifting lower. By coming into contact with the recess 7a, it is sealed to prevent rain and dust from entering the room.

22 is the vehicle roof.

FIG. 4 shows another embodiment of the present invention, in which the roller 5 is moved by an appropriate width toward the center of the door 2 than in the previous embodiment, and the roller 5 is positioned behind the guide rail 8. An arcuate curved portion 19 or a straight folded line portion 19' is provided at the end so that the roller 5 is accommodated when the door is opened, so that the door 2 can easily slide in the closing direction, and the doors 1 and 2 can be connected. The movement in the rotational direction C when the section is closed is made smooth.

In addition, in each of the above embodiments, when the folding door is made into an automatic door, the indoor side of the door 1 and a motor etc. installed on the indoor floor in front of the lifting lower are connected by a door pusher (not shown). , the folding door is operated electrically or the like.

Now, when the folding door is in the open state, in order to close the door 1゜2, if you push the indoor side of the door 1 in the direction of closing the folding door or pull the hinge 15 in the direction of closing the folding door, it will fold into the roller. A component force acts in the closing direction of the door. This component force increases as the operating angle β2 formed by the shaft 16, the hinge 15, and the roller 5 increases, and the operating angle β2 increases as the roller 5 approaches the door closing direction.

Therefore, as the roller 5 is attached to the door 2 via the bracket 6 and the offset dimension of the bracket 6 from the door 2 is increased, the operating angle β2 becomes larger, and the closing force of the folding door can be reduced.

However, if the size of the bracket 6 is increased and the offset dimension from the door 2 is increased, not only will the amount of the arcuate curved portion 18 of the guide rail 8 protrude toward the indoor side when the folding door is closed increase; The amount of protrusion into the lower elevating section 6 also increases, which obstructs getting on and off, and also makes it look unsightly.

However, the operating angle β2 only needs to be an angle that allows the folding door to be opened and closed easily, and there is no need to make the operating angle β2 larger than necessary.Therefore, there is no need to make the size of the bracket 6 that large. Therefore, the above problem does not occur.

Also, immediately before and when the folding door is closed, the second
Since the open end 2' of the door 2 swings from the outdoor side to the indoor side as shown by the two-dot chain line and the arrow in the figure, the door-hitting phenomenon unlike a sliding door does not occur.

When the folding door is in the closed state, operate in the opposite direction to open the folding door.

In addition, if the folding door is an automatic door, the operating angle β2
By making this large, when the folding door is operated (opened/closed) by electric power or the like, the roller 5 smoothly rolls within the guide rail 8 without prying it.

As described above, according to the present invention, the open end 2 of the door 2
Since the roller 5 is attached to the vicinity of the inner side of the door via a bracket 6 and is made to roll within the guide rail 8 provided at the lower elevation of the vehicle body, the opening/closing force of the folding door can be reduced, and the spacer 21 can be The height of the can be lowered,
Therefore, the effective opening degree A2 of the entrance width of the lifting lower can be increased, and the vicinity of the central portion of the guide rail 8 does not protrude toward the indoor side, so there is no problem with getting on and off the vehicle.

Further, according to the present invention, the folding door is made automatic, and even if force is applied, the rollers will not be pried, so the rollers, guide rails, motors, etc. will not be damaged.

Furthermore, according to the present invention, in both the first and second embodiments, the open end of the door 2 closes in the rotational direction, so there is no chance of pinching the fingers of passengers inside the room.

It has the following effects.

[Brief explanation of drawings]

Figures 1A to 2 are plan views showing a conventional vehicle folding door opening/closing device, Figure 2 is a plan view showing a folding door opening/closing device according to the present invention, and Figure 3 is a vertical side view of the main parts of the same. , FIG. 4 is a plan view showing another embodiment of the present invention. 1.2 is a door, 5 is a roller, 6 is a bracket, 7 is an entrance, 8 is a guide rail, and 18 is an arcuate curved portion of the guide rail.

Claims (1)

[Scope of utility model registration request] Two doors provided at the vehicle entrance are hinged to each other so that they can be opened and closed, one door is pivoted to the vehicle body, and a bracket is attached to the top of the open end of the other door that protrudes toward the interior. A roller is mounted on the bracket and moves along a guide rail installed at the upper part of the vehicle body entrance, and further, when the door is closed, the guide rail has an arcuate curved portion in which the roller is accommodated protruding toward the interior side. An opening/closing device for a folding door for a vehicle, characterized in that the opening/closing device is configured by: