JP2002357040A - Door and vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door and a vehicle capable of fixing the opening and easily releasing the fixing. SOLUTION: The door includes a door body 4, a guide rail 11 having a groove 12 having a fixed width and a hole 13, a lock pin 14 moving along a groove 12 by engaging with the opening and closing of the door body 4, fixed by fitting to the hole 13 when the door body 4 is opened and a cam 22 making the lock pin 14 separate from the hole 13. The cam 22 includes a first sliding surface 24 for moving the lock pin 14 in the direction separated from the hole 13 and a second sliding surface 25 for holding the lock pin 14 in a state to it separate from the hole 13. The cam 22 is fixed by friction between the second sliding surface 25 and the lock pin 14. A worker rotates the cam 22 to unlock the fixing of the door body 4, and the door 4 can be closed by loosing the worker's hold from the cam 22. This action can be executed by the worker alone.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door and a vehicle, and more particularly, to a vehicle having a door fixed in an open state and an emergency door fixed in an open state.

[0002]

2. Description of the Related Art A traffic system using a self-driving traffic vehicle is used. The general traffic vehicle is formed of one vehicle or a combination of two or more vehicles, and runs on a track that does not use rails.
Such vehicles are provided with emergency doors for evacuating passengers in the event of an accident, and as such emergency doors, doors that are locked when opened and do not prevent passengers from evacuating are desired.

FIG. 9 shows a leading vehicle of the traffic vehicle. The leading vehicle 101 includes a body 102 and a bogie 103
And formed from. The carriage 103 includes an air spring 104
, The vehicle body 102 is supported. The cart 103 has a rubber tire 105 and a drive motor 106. The rubber tire 105 supports the carriage 103 and the drive motor 10
6 drives the rubber tire 106 to rotate. Leading vehicle 10
1 travels on a traveling path 107 which is a track as the rubber tire 106 is rotationally driven. The current collector 108 and the guideway guide device 1
09 is provided.

The vehicle body 102 has a rearwardly inclined surface 110 at the top, and a one-sided emergency door 111 is provided at the center of the surface 10. The emergency door 111 is opened to evacuate the passenger to the traveling path 107 when an accident occurs in the traffic vehicle 100. The rear vehicle of the traffic vehicle 100 is also provided with an emergency door, like the front vehicle 101.

[0005] As shown in FIG. 10, the traveling path 107 has side walls 121 on both sides. Side wall 121
Is provided with a power cable 122. The power cable 122 electrically contacts the current collector 108 of the carriage 103 to supply power to the traffic vehicle 100. The guideway guide device 109 comes into contact with the side wall 122 and the traffic vehicle 1
00 guides the vehicle to travel in the travel path 107.

The emergency door 111 of the leading vehicle 101 is rectangular and has a hinge 113 on one side 112 thereof. The hinge 113 rotatably connects the emergency door 111 to the surface 110. Near the side 114 facing the side 112, a handle 115 for opening and closing the emergency door 111 is provided. Handle 11
5 is normally locked and unlocked only in an emergency. The emergency door 111 cannot be opened and closed when the handle 115 is locked.

[0007] At the upper end of the emergency door 111 inside the car,
A locking device 130 is provided. FIG. 11 shows the emergency door 111 and the lock device 130. The lock device 130 is provided such that a guide rail 131 is fixed to the ceiling inside the vehicle body 102 in the same manner. The guide rail 131 is a plate that protrudes inside the vehicle perpendicular to the rotation axis of the hinge 113 of the emergency door 111. The guide rail 131 is provided with a groove 132 parallel to the surface 110. The groove 132 penetrates the guide rail 131 and has a constant width. At one end of the groove 132, a hole 133 having a diameter larger than its width is provided.

A lock pin 134 is inserted and provided in a groove 132 of the guide rail 131. The lock pin 134 is rotatably fixed to one end of the lever 137. The other end of the lever 137 is connected to the emergency door 111 via a seat 138 so as to be rotatable and vertically slidable. Therefore, the lock pin 134
The emergency door 111 opens and closes and moves along the groove 132. The lock pin 134 is used for the emergency door 11
When 1 is fully opened, it is dropped and fixed to the hole 133 of the guide rail 131 as shown by the dashed line in FIG.

The lock pin 134 has a head 141 and a lower end 142 as shown in FIG. The diameter of the head 141 is larger than the width of the groove 132,
The diameter of the lower end 142 is smaller than the groove. Therefore, the lock pin 134 can move along the groove 132 without opening / closing the emergency door 111 and separating from the groove 132. The diameter of the head 141 is smaller than the diameter of the hole 133.

As shown in FIG. 13, a bottom plate 143 is fixedly provided on a lower surface of the guide rail 131 where the hole 133 is provided. Bottom plate 1
43 is provided with a groove whose width is substantially equal to that of the groove 132. Therefore, when the emergency door 111 is fully opened, as shown in FIG. 14, the lock pin 134 falls down into the hole 133 of the guide rail 131 by its own weight, and the head 141 of the lock pin 134 is attached to the bottom plate. 143, and is fixed to the side of the hole 133. With this fixation, the emergency door 111 cannot be opened and closed, and is maintained in a sufficiently opened state.

Emergency door 1 held open
In order to close the lock 11, the lock pin 134 or the lever 137 is pushed up to
It is necessary to simultaneously perform two operations, that is, the operation of maintaining the position of the emergency door 1 above the upper surface of the guide rail 131 and the operation of closing the emergency door 111. For such an operation, the lock pin 134 or the lever 13
7 and the handle 1 of the emergency door 111
Two people are needed, one with the 15 and the other to close it. There is a need for an emergency door that can be easily closed by one worker.

[0012]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a door whose opening is fixed and which can be easily released. Another object of the present invention is to provide a vehicle that secures an evacuation route at the time of an accident and easily closes the evacuation route.

[0013]

The means for solving the problems will be described below using the numbers and symbols used in the embodiments of the present invention. These numbers and symbols are added to clarify the correspondence between the description of [Claims] and the description of [Embodiments of the Invention], and are described in [Claims]. It should not be used to interpret the technical scope of the claimed invention.

The door (4) according to the present invention comprises a door body (4), a guide rail (11) having a groove (12) and a hole (13) of a fixed width, and the door body (4) opens and closes. The lock pin (14), which moves along the groove (12) in conjunction with the lock pin (14) and is fixed by being fitted into the hole (13) when the door body (4) is opened, A cam (22) for detaching from the hole (13). The cam (22) rotates to release the lock pin (14) from the hole (13) and unlock the door body (4).

The cam (22) has a sliding surface that slides on the lock pin (14). The sliding surface has a first sliding surface (24) for moving the lock pin (14) in a direction to disengage from the hole (13) and a state in which the lock pin (14) is disengaged from the hole (13). A second sliding surface (25) for holding. The cam (22) is fixed by friction between the second sliding surface (25) and the lock pin (14). The operator can rotate the cam (22) to unlock the door body (4), and release the cam (22) to close the door (4). This operation can be performed by a single worker.

The door (4) according to the invention comprises a spring (28).
The cam (22) further comprises a first position for holding the lock pin (14) in a fixed state, and a lock pin (1).
4) can be in a second position where it remains detached from the hole (13). The elastic force of the spring (28)
When the sliding surface (25) is not in contact with the lock pin (14), the cam (22) is rotated from the second position to the first position, and the second sliding surface (25) is in contact with the lock pin (14). Lock pin (14) and second sliding surface (25) when in contact
And balance with friction. With such a spring (28),
After closing the door (4), the operator does not need to return the cam (22) to the first position so that the opening of the door (4) is fixed.

The rotation axis (23) of the cam (22) is not parallel to the direction of movement of the lock pin (14). With such an arrangement, the sliding surface of the cam (22) and the lock pin (14)
And the cam (22) rotates smoothly.
As a result, the unlocking of the opening of the door (4) also becomes smooth.

The door (4) according to the invention further comprises a handle (32) which is associated with the cam (22).
The handle (32) allows the operator to easily rotate the cam.

The door (4) according to the present invention further comprises a bolt (32) associated with the cam (22). The bolt (32) is rotated using a tool such as a wrench or a spanner. With such a bolt (32), the release of the opening of the door (4) can be released only by a limited worker having a tool.

A vehicle (1) according to the invention has a door (4) according to the invention. The door (4) according to the present invention
It is preferably used as an emergency door of the vehicle (1).

[0021]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a vehicle to which a door according to the present invention is applied will be described with reference to the drawings. The vehicle 1 is composed of a vehicle body 2 and a bogie 3 as shown in FIG. A one-sided emergency door 4 is provided at the head or tail of the vehicle body 2. Emergency door 4
Corresponds to the door according to the invention. Emergency door 4
Is rectangular and has a hinge 6 on one side 5 thereof. The hinge 6 rotatably connects the emergency door 4. Near the side 7 facing the side 5, a handle 8 for opening and closing the emergency door 4 is provided. The handle 8 is normally locked and unlocked only in an emergency. The emergency door 4 cannot be opened and closed when the handle 8 is locked. A lock device 10 is provided inside the vehicle at the upper end of the emergency door 4. The bogie 2 is a propulsion unit for the vehicle 1 to travel on the travel path 9.

FIG. 2 shows the emergency door 4 and the lock device 10. The lock device 10 is provided such that a guide rail 11 is fixed to the ceiling inside the vehicle body 2 in a body. The guide rail 11 is a plate projecting inside the vehicle. A groove 12 is provided in the guide rail 11. The groove 12 penetrates the guide rail 11 and has a constant width. At one end of the groove 12, a hole 13 whose diameter is larger than the width of the groove 12 is provided.

A lock pin 14 is inserted and provided in the groove 12 of the guide rail 11. A pin is a component that is inserted into a hole and secures another mechanical component.
The lock pin 14 is rotatably fixed to one end of a lever 17. The other end of the lever 17 is connected to the emergency door 111 via the seat 18. The seat 18 is fixed to the emergency door 4 and is connected to the lever 17 so as to be rotatable and slidable in the vertical direction (the rotation axis direction of the hinge 6). A bottom plate 19 is fixedly provided on the lower surface of the portion of the guide rail 11 where the hole 13 is provided. The bottom plate 19 is provided with a groove having a width substantially equal to that of the groove 12. A door unlocking device 20 is provided further below the bottom plate 19.

The lock pin 14 moves along the groove 12 when the emergency door 4 opens and closes. Lock pin 14
When the emergency door 4 is fully opened, as shown by the dashed line in FIG.
And is fixed to the inside of the hole 13 by being hooked on the bottom plate 19.

FIG. 3 shows the door unlocking device 20. The door unlocking device 20 includes a lock pin 14 and a lever 17 when the lock pin 14 falls into the hole 13.
It is provided below. The door lock release device 20
The bracket 21 fixed to the guide rail 11 is the cam 2
2 are provided. The cam 22 has a rotating shaft 23 and a sliding surface 2 that slides on the upper surface with the lower end of the lock pin 14.
4 and 25. The sliding surface 25 is substantially perpendicular to the rotation shaft 23 of the cam 22. The sliding surface 24 is continuous with the sliding surface 25 and is inclined so as to become lower as the distance from the sliding surface 25 increases. Further, the sliding surface 24 has substantially the same height at a portion cut into a plane including the rotating shaft 23.

A post 26 is provided on the bracket 21, and a post 27 is provided on the cam 22. A tension spring 28 of appropriate strength is interposed between the post 26 and the post 27. The spring 28 may use another elastic body exemplified by rubber. The cam 22 is shown in FIG.
From the first position indicated by the solid line to the second position indicated by the alternate long and short dash line in FIG. The tension spring 28 draws the post 26 and the post 27 by the elastic force, and the cam 22 is moved to the first position.
Rotated to the position. That is, the tension spring 28
Is most contracted when the cam 22 is in the first position and is most extended when the cam 22 is in the second position.

The bracket 21 is fixed to the vehicle body 2 by bolts 31 together with the guide rail 11 as shown in FIG. Such fixation facilitates the manufacture of the door unlocking device 20. The cam 22 has a rotating shaft 2
3, it is integrally connected to a socket 32 provided below the bracket 21. When the socket 32 is rotated by the worker, the cam 22 is linked with the socket 32.
Rotates.

As the socket 32, a handle that can be easily turned by an operator may be used. With such a handle, the operator can easily rotate the cam. Further, as the socket 32, a bolt or a bolt with a hole rotated by a hexagon wrench or a spanner may be applied. With such bolts, the release of the opening of the emergency door 4 can be released only by a limited worker having a tool.

As shown in FIG. 5, the sliding surface 24 is uniformly inclined in the circumferential direction around the rotating shaft 23. Such a sliding surface 24 can push up the lock pin 14 smoothly upward.

As shown in FIG. 6, the lock pin 14 has an upper end portion 41 whose diameter is larger than the width of the groove 12 and smaller than the diameter of the hole 13, a lower end portion 42 which slides on the cam 22, and
And a cylindrical portion 43. The cylindrical portion 43
The diameter is smaller than the width of the groove 12. For this reason, in a state where the cylindrical portion 43 is arranged inside the groove 12 or the hole 13,
The lock pin 14 can move along the groove 12.

When the emergency door 4 is opened, the lock device 10 is fixed with the lock pin 14 falling into the hole 13. The upper end portion 41 of the lock pin 14 drops off and is fixed to the hole 13, so that the lock pin 14 cannot move along the groove 12. At this time, the lower end portion 42 of the lock pin 14 is arranged in contact with the sliding surface 24 of the cam 22. When the lock pin 14 is in the first position, the cam 22
The upper end portion 41 drops off into the hole 13 and is fixed even when the lower end portion 42 is in contact with the sliding surface 24.

The direction of movement of the lock pin 14 is, as shown in FIG.
(Α> 0 °). Due to this angle α, the lower end portion 42 of the lock pin 14 causes the sliding surface 24 of the cam 22
25 touches the point. As a result, the cam 22 can rotate smoothly even when the lower end portion 42 of the lock pin 14 is in contact with the sliding surfaces 24 and 25.
The lock pin 14 can smoothly move upward.

The lower end portion 42 of the lock pin 14 is
As shown in FIG. 7, even when the cam 22 is at the first position, the gap G between the lower end portion 42 of the cam 22 and the sliding surface 24 is maintained.
You may just be away.

When the socket 32 is rotated by the operator, the lock pin 14 is pushed upward as shown in FIG. When the cam 22 is rotated to reach the second position, the upper end portion 41 of the lock pin 14 is separated from the hole 13. The lock pin 14 is pushed down by the weight of the lock pin 14 and the lever 17 and generates friction between the lock pin 14 and the cam 22. This friction balances the force of the tension spring 28 to return the cam 22 to the first position and holds the cam 22 in the second position. By this holding, the lock pin 14
Can be moved along the groove 12, and the emergency door 4 can be closed. The tension spring 28 is thus connected to the cam 22.
Is in the second position, the tension between the lock pin 14 and the cam 2
And a spring smaller than the maximum frictional force generated between the springs.

When an accident occurs in the vehicle 1, the vehicle 1 stops and the crew or passenger unlocks the emergency door 4 and opens it as an evacuation route. The emergency door 4 is held in a fully opened state by the lock device 10. Passengers evacuate to the runway 9 through the emergency door 4. Keeping the emergency door 4 open is preferable in that it does not hinder the evacuation of passengers.

To close the emergency door 4, the operator first turns the socket 32 to release the locking device 10. Next, the worker closes the emergency door 4 using the handle 8. According to the emergency door according to the present invention, the operator can easily close the opened emergency door by himself.
As a result, the cost of handling the accident is reduced.

[0037]

The door according to the invention is locked when opened and can be easily unlocked and closed. ADVANTAGE OF THE INVENTION The vehicle by this invention secures an evacuation route at the time of an accident, and closes the evacuation route easily.

[Brief description of the drawings]

FIG. 1 is a diagram showing an embodiment of a vehicle according to the present invention.

FIG. 2 is a plan view showing an embodiment of a lock device.

FIG. 3 is a plan view showing a door lock release device.

FIG. 4 is a side view of FIG. 3;

FIG. 5 is a front view of FIG. 3;

FIG. 6 is a front view showing the embodiment of the lock device when the emergency door is opened.

FIG. 7 is a sectional view taken along line CC of FIG. 6;

FIG. 8 is a cross-sectional view taken along line CC of FIG. 6 showing the lock device when the lock is released.

FIG. 9 is a side view showing an embodiment of a leading vehicle of a known traffic vehicle.

FIG. 10 is a front view showing an embodiment of a known leading vehicle of a traffic vehicle.

FIG. 11 is a plan view showing an embodiment of a known lock device.

FIG. 12 is a front view of FIG. 11;

FIG. 13 is a plan view showing a positional relationship between a guide rail and a lock pin.

FIG. 14 is a front view of FIG. 13;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Vehicle 2 ... Body 3 ... Bogie 4 ... Emergency door 5, 7 ... Side 6 ... Hinge 8 ... Handle 9 ... Traveling path 10 ... Locking device 11 ... Guide rail 12 ... Groove 13 ... Hole 14 ... Lock pin 17 ... Lever DESCRIPTION OF SYMBOLS 18 ... Seat 19 ... Bottom plate 20 ... Door lock release device 21 ... Bracket 22 ... Cam 23 ... Rotating shaft 24,25 ... Sliding surface 26,27 ... Post 28 ... Tension spring 31 ... Bolt 32 ... Socket 41 ... Top part 42 ... Lower part

Claims (7)

[Claims] 1. A door body, a guide rail having a groove and a hole having a fixed width, and a door rail that moves along the groove in conjunction with opening and closing of the door body, and the door body is opened. A lock pin fitted into and fixed to the hole, and a cam for detaching the lock pin from the hole. 2. The cam according to claim 1, wherein the cam has a sliding surface that slides on the lock pin, and the sliding surface is a first surface for moving the lock pin in a direction to separate from the hole. A door including a sliding surface, and a second sliding surface for holding the lock pin detached from the hole, wherein the cam is fixed by friction between the second sliding surface and the lock pin. . 3. The apparatus according to claim 2, further comprising a spring, wherein the cam has a first position for holding the lock pin fixed, and a second position for holding the lock pin detached from the hole. A second position, wherein the elastic force of the spring rotates the cam to the first position and balances the force due to friction between the lock pin and the second sliding surface. 4. The door according to claim 1, wherein a rotation axis of the cam is not parallel to a moving direction of the lock pin. 5. The method according to claim 1, wherein
Further, a door including a handle interlocked with the cam. 6. In any one of claims 1 to 4,
Further, a door including a bolt interlocked with the cam. 7. A vehicle having a door according to any one of claims 1 to 6.