JPH09228707A - Lock device - Google Patents

Abstract

(57) [PROBLEMS] To provide a lock device that is simple, has high reliability, and is low in cost. A rotary spiral drive member (6) moves its sliding door (3) to a closed state by its rotation, at which time a nut assembly (14) advances along the rotary spiral drive member (6) and extends from a lock actuator cam (31). Approach the lock actuator pin 33. The continuous rotation of the rotary spiral drive member 6 causes the pin 33 to enter the gap 18 of the toggle lever fork 19 and the actuator arm 35.
A pin 36 extending from the two teeth 39 of the lock fork 37
The lock shaft 43 is fixed to the lock position via the toggle lever 19, the actuator arm 35, the pin 36, the lock fork 37, etc., and the lock powl 46 is attached to the hanger 12. Rotate to the rear position of. As a result, the lock pawl 46 and the extension 13 can securely hold the door 3 in the closed position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a locking device, and generally, for example, a mass transportation vehicle (MASS TRANSIT VEH) such as a subway vehicle or a light railroad vehicle (small rail vehicle).
CLES) related to the lock device used in the power door device used in.

[0002]

2. Description of the Related Art A locking device according to the present invention is an improvement of the power door device disclosed in US Pat. No. 5,341,598. It is the same. US Patent 534
The specification and claims of 1598 are incorporated herein by reference.

Although the powered door system disclosed in US Pat. No. 5,341,598 is fully operational and is in common use, it is in a closed position due to increased importance in terms of equipment reliability and reduced risk to passengers. Therefore, the need for means for directly holding the vehicle body panel (siding plank) of the vehicle has arisen. The locking device according to the present invention achieves the above object by directly providing the door panel locking device to bypass the intermediate portion of the operator door panel structure. The locking device according to the present invention is
Further, even if the main locking device deteriorates or the main drive structure fails, the vehicle body door panel is maintained in the door closed position, thereby increasing reliability.

Therefore, a panel lock device for a passenger door used in a mass transit vehicle, wherein the door panel is directly maintained in a closed state by means operated by a power door device. It is an object of the present invention to provide a panel lock device. Another object of the present invention is a panel locking device for a passenger door of a mass transit vehicle, the locking device having a minimum number of components between the power door device and the locking device, wherein the locking device is a vehicle door. Is to provide a panel lock device adapted to maintain a closed position.

A panel lock device for a passenger door of a mass transit vehicle, wherein when locked, the panel lock device is mechanically isolated from the device that operates the panel lock device. It is another object of the present invention to provide a device.

[0006]

Therefore, the lock device according to the invention described in claim 1 is a rotary spiral drive device horizontally arranged above an opening of a side wall of a passenger vehicle, and the rotary device. A drive nut that is included in a rotary spiral drive member of a spiral drive device, is attached to a door panel, and reciprocates the door panel away from the opening of the side wall to open and close the opening, and A locking device operated by the rotary helical drive member to hold the door panel in the closed and locked position over the opening;
And a lock actuator cam that is attached to one end of the rotary spiral drive device and that rotates, and the inside of the lock actuator cam is the rotary spiral drive device. A lock actuator pin on the lock actuator cam extending along a drive device and a first toggle means on the drive nut, the rotation for moving the door panel from an open to a closed position on the opening. First toggle means for advancing toward said lock actuator pin by rotation of a helical drive member;
A second toggle means on the rotary helical drive, which is operated by the first toggle means and cooperates with the door panel to hold the door panel in a closed position when the second toggle means is operated. A second toggle means including the panel lock member that operates,
Rotation of the rotary helical drive advances the drive nut to a door closed position and the lock actuator pin operates the first toggle means to operate the second toggle means, thereby causing the panel lock. A member is configured to hold the door panel closed.

According to a second aspect of the present invention, there is provided a lock device which moves on the rotary spiral drive member and moves on the rotary spiral drive member, and linearly moves according to the rotation of the rotary spiral drive member. A locking device for a power door device including a cooperating nut for moving a door panel to an open / closed position on an opening of the base plate, the base plate for mounting the power door device on the vehicle body side wall, and the cooperating nut. A door panel hanger, means for rotating the rotary spiral drive member, locking means provided on an end of the rotary spiral drive member and extending vertically therefrom, intermediate between the cooperating nut and the base plate. Provided on a part thereof and actuated by the locking means to move the cooperating nut to a door closed position, cooperating with the door panel hanger. A toggle means adapted to hold the panel in the closed position, wherein rotation of the rotary helical drive member moves the cooperating nut and door panel to the closed position to disengage the toggle means and the locking means. It was configured to operate and lock the panel.

A lock device according to a third aspect of the present invention is a door panel lock device in a power door device having a spiral drive device for moving a door panel of a transportation vehicle from an open position to a closed position. A base plate for a power door device attached to the vehicle to attach the device and the door panel; a door drive nut that moves on the spiral drive device to move the door panel from an open to a closed position; Hanger means for attaching the door panel and the door driving nut, toggle means positioned between the door driving nut and the power door device base plate in the door closed position, and the door panel in the closed position, the Locking means provided on the spiral drive for operating the toggle means; A means for rotating the spiral drive device in order to move the door driving nut and the door panel to the closed position, the locking means and the toggle means are provided in the closed position. It is configured to cooperate so as to hold the door panel.

A lock device according to a fourth aspect of the present invention is the door panel lock device for a power door device according to the third aspect, wherein the nut toggle means provided on the door driving nut and the nut toggle means are operated. Means provided on the spiral drive device for locking the door panel in a closed position in response to the operation of the nut toggle means, the lock member being provided on the base plate and operated by the nut toggle means. And a base plate toggle means configured to include.

A lock device according to a fifth aspect of the present invention is the door panel lock device for a power door device according to the fourth aspect, wherein the lock member is a lock cam provided at one end of the spiral drive device, and And a lock pin extending inside the lock cam.

A lock device according to a sixth aspect of the present invention is the door panel lock device for a power door device according to the fifth aspect, wherein the nut toggle means includes a toggle lever having a toggle pin extending inward, and the door panel. A first fork-shaped member that catches the lock pin when reaching the closed position, and the rotation of the lock cam operates the nut toggle means.

According to a seventh aspect of the present invention, there is provided a lock device according to the sixth aspect, wherein the base plate toggle means is attached to the base plate for rotational movement. , A second fork-shaped member that makes a rotational movement inside thereof, the toggle pin catches the second fork-shaped member, operates the base plate toggle means, and causes the second fork-shaped member to move to the door hanger. It is configured to be positioned adjacent to.

A locking device for directly locking a panel according to the present invention comprises: a rotating spiral door driving member for rotating;
Take advantage of the exact relationship between the driven door panel position and. This relationship between the revolving spiral door drive member and the door panel position provides an extremely simple, reliable and low cost direct panel locking method for vehicle powered door systems. Can be incorporated.

That is, the locking member is actuated by the rotary spiral drive only when the driven panel advances along the rotary spiral drive member to the closed position of the door panel or door panels. The locking member that advances linearly has a locking action from unlocking to locking.
Actuating an auxiliary locking device incorporating a toggle mechanism such that it occurs within a predetermined angle of rotation of the rotary helical drive member. The locking member used is a simple fork operating a horizontal shaft mounted on the base plate of the power door arrangement, parallel to the rotary helical drive member which is longitudinally coupled to the bearing. The simple locking lever is moved to the position behind the panel or hanger structure only in the fully closed position. Protecting the position of the panel and locking member ensures that the locking member is properly positioned before power is applied to the vehicle drive system.

Detection of the locking member in the closed position is also used to prepare a signal indicating the closed or locked state of the door panel. Other objects and effects of the present invention will be made clear by the detailed description given below and the brief description of the drawings.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS First, referring to FIG. 1, the lock device of the present invention is a part of a power door device (hereinafter also referred to as an operator) having components of the lock device. The operator and the locking device are installed above the general passenger vehicle door opening below the base plate 7 attached to the vehicle body structure 1 (overhead) (see FIG. 1). The rotary helical drive member 6 is suitable for rotary movement,
It is attached to the base plate 7.

A door drive nut assembly 14 screwed into the rotary spiral drive member 6 is attached to the door hanger 12 at the upper end of the sliding door panel 3 (FIG. 2).
reference). Referring more particularly to FIG. 1, the sliding door panel 3 is part of a sliding door system that is divided into two and is commonly used as a doorway for mass transit vehicles. As shown in FIG. 1, the sliding door panel 3
Are shown in the closed position, so that the open door position of the sliding door panel 3 is shown as panel 5.

The operator according to the invention incorporates a rotary drive motor 10 for proper pairing with the rotary spiral drive member 6. The base plate 7 is attached to a vehicle body structural member of a typical vehicle body structural assembly 1. Further, a tubular support 8 extending in the longitudinal direction along the base plate 7 is attached to the base plate 7. The support 8 includes a door hanger 12 attached to the upper end of the sliding door panel 3. In operation, the door drive device of the type disclosed herein moves the slide door panel 3 from open to closed by rotation of the output shaft of the drive motor 10. Bearings located inside the door hanger 12 facilitate movement of the sliding door panel 3 along the support 8.

Turning to FIG. 4, FIG. 5 (A) and FIG. 5 (B),
The lock assembly 16 according to the present invention incorporates an actuator cam 31 attached to the end of the rotary spiral drive member 6. The pin 33 extends from the actuator cam 31. Also, a toggle lever 19 having an extension arm 21 is provided separately adjacent to the rotary spiral drive member 6 axially coupled to the rotary spiral drive member 6 for rotation about the rotary spiral drive member 6. Is axially coupled to. An actuator arm 35 having a pin 36 extending from the outer end of the actuator arm 35 is axially adjacent to the toggle lever 19 and axially coupled for predetermined movement with respect to the support 8.
9 is rotatably linked. Further, a spring holding block 24 having a spring holding shaft 25 extending from the spring holding block 24 is attached to a portion axially coupled to the rotary spiral drive member 6 separately. The opposite side of the pin 25 is held in a hole 22 provided in the toggle lever arm 19. Compression spring 27 is pin 25
And both ends of the compression spring 27 are restrained by the spring holding block 24 and the arm 21.

Locking fork 37 having two teeth 39
Is located next to the pin 36. The lock fork 37 is axially coupled to a lock shaft 43 for restricting rotation in a plane orthogonal to the rotary spiral drive member 6. The lock shaft 43 is rotatably attached to the base plate 7 by a lock shaft support 45. A door panel lock pawl (claw) 46 arranged to rotate in cooperation with the movement of the fork 37 and the attached lock shaft 43 is provided on the side opposite to the position of the lock fork 37.
It is attached to the lock shaft 43 (see FIG. 2).

In operation, the rotary helical drive member 6 moves the slide doors 3, 5 from open to closed as required, according to the drive direction. The locking action of the sliding door 3 in the closed position begins with the continued rotation of the rotary helical drive member 6, as shown in FIG. The door drive member or nut assembly 14 includes a rotary spiral drive member 6
And approaches the lock actuator pin 33 extending from the lock actuator cam 31. At this point, no lock operation has occurred. 5A and 5B, the pin 3 on the actuator cam 31
3 enters into the gap 18 of the toggle lever fork 19 and the pin 33 on the actuator cam 31 moves into the fork gap 18.
The rotary helical drive member 6 rotates so as to occupy the leftmost part of the.

As shown in FIGS. 6A and 6B, the continuous rotation of the rotary spiral drive member 6 causes the pin 33 to move,
The partial compression toggle spring 27 is rotated. Continued rotation of the rotary helical drive member 6 causes the pin 36 extending from the actuator arm 35 to move to the lock fork 37
It is moved between two teeth 39 {see FIG. 7 (A)}. Continued rotation of the rotary helical drive member 6 also advances the cam 31 and the pin 33 from the position of FIG. 1 by 60 degrees, compressing the toggle spring 27 and placing the actuator arm pin 36 in the lock fork 37. Move forward {Fig. 7
See (A) and FIG. 7 (B)}.

Further, the toggle spring 27 can move the toggle lever 19 by the additional rotation of the rotary spiral drive member 6 up to 120 degrees from the position in FIGS. 5A and 5B. The toggle lever 19 rotates the actuator arm 35. Actuator arm 3
The pin 36 on the 5 has two teeth 39 on the lock fork 37.
The lock fork 37 is moved, the lock shaft 43 is fixed to the lock position, and the door panel lock pawl (claw) 46 is rotated to the rear position of the extending portion 13 attached to the door hanger 12.

When the continuous lock operation is started, the door drive nut assembly 14 and the attached door hanger 12 are started.
Since the positions of both the slide door panels 3 corresponding to the position of are the closing positions, the positions of FIGS.
As shown in (B), the door panel lock pawl (claw) 46 and the extension portion 13 prevent the door from opening. The rotation of the rotary spiral drive member 6 is now shown in FIG.
As shown in FIGS. 8A and 8B, when the actuator is moved 120 degrees in total from the unlocked position, the actuator cam 3
The pin 36 extending from 5 then rotates the lock fork 37 from the initial horizontal position to the locked position. Further, movement of the pin 33 for 120 degrees moves the lock fork 37 to its toggle position, and the toggle spring 27 is then extended again. At this toggle position, the lock fork 37 and the actuator cam 3
5 is retained by the residual force exerted by the toggle spring 27 which is extended again at this time. This residual force acting on the actuator cam pin 33 and the actuator cam 35 is transmitted to the lock fork 37 via the pin 36. The residual force provided by the toggle lever 19 provides several advantages in that the lock fork 37, lock shaft 43 and door panel lock pawl 46 are absolutely held in the door lock position. Further, the residual force acting on the pin 33 resists any tendency that the rotary spiral drive member 6 is driven by an external force acting on the sliding door panel 3 in the direction of the unlocked position.

The first embodiment of the present invention incorporates the second embodiment when used in a state where the door panel hanger may not be properly arranged.
A second embodiment according to the invention is shown in detail in FIG.
Directly moving the locking member into the passage at the end of the sliding door panel 3 after reaching the closed position is contemplated by the invention disclosed in the second embodiment. Hence,
With reference to FIG. 3, an elongated locking member 47 attached to the lock shaft 43 is shown. Those of ordinary skill in the art of powered door systems are operated by powered door drives,
And, in fact, the availability of the lock shafts 43, which are toggle fixed in mutually independent locations, as described above, provides a reliable panel lock in the event of any failure of the power door drive system. It is readily understood that various additional shapes for door panel locks can be provided.

The first aspect of the present invention for holding the door panel in the closed position by the locking member interfering with the door panel hanger.
And the second embodiment in which the lock member extends to the position for holding the door panel in the closed position by directly contacting the ends of the panel to prevent movement, but the present invention provides It is not limited to each embodiment.
On the contrary, within the scope of the present invention and the technical idea of the present invention defined by each claim, all modifications and
Modifications and equivalents are included.

In each of the above embodiments, the case where the lock device according to the present invention is used in the power door device has been described, but the invention is not limited to this, and the rotary spiral drive member is provided.
The power of the door is not limited to electric power as long as the door can be opened and closed through the door (for example, human power may be used). Further, the present invention is not limited to a vehicle door, but is applicable to, for example, a general stationary door, and is not limited to being provided on a side wall of a vehicle, and is also applied to other than the side wall of a vehicle. It is possible.

[0028]

According to the lock device of the present invention, the door panel is directly locked, so that
It becomes possible to directly hold the vehicle body panel (siding) of the vehicle in the closed position. Therefore, even if the main locking device is deteriorated or the main drive structure is broken, the vehicle body door panel is maintained at the position where the door is closed, so that the reliability can be increased.

Furthermore, the vehicle door can be maintained in the closed position with a minimum number of components. Further, when locked, the panel lock device is mechanically isolated from the device that operates the panel lock device, so that the door of the vehicle can be more reliably maintained in the closed position. That is, according to the present invention, it is possible to provide a locking device that has a simple structure, has high reliability, and is low in cost and that directly locks a door panel.

[Brief description of drawings]

FIG. 1 is a plan view of a typical application example of a device according to the present invention, which is used when a two-part door in a transportation vehicle is operated.
FIG. 5 is a plan view showing the panel lock lever particularly in a position where the door is closed and locked.

FIG. 2 is a partial perspective view of the device according to the present invention, showing in particular the components of the automatic door device incorporated in the direct panel locking device of the present invention. As shown, the rotary helical drive members are shown in close proximity and shown in a locked mode as shown in FIGS. Also shown is an embodiment of the present invention that uses a mechanical lock lever to prevent movement of the door from its closed position by contacting the door panel hanger.

FIG. 3 is a second embodiment of the invention in which the locking device of the invention incorporates a lock lever that extends past the door panel hanger structure and prevents movement of the door panel from its closed position by making direct contact with the door panel. FIG.

FIG. 4 is a partial side view of the lock assembly of the present invention showing the arrangement of the door base plate, door panel hanger, rotary spiral drive member, and panel lock member, particularly in position prior to the locking operation.

5A is a view as viewed from the direction of arrows 5-5 in FIG. 4, which shows the lock member in the normal state or in the unlocked position before entering the locking operation. (B) is a partial view showing a lock cam and an operating pin corresponding to the position of the lock member in (A).

FIG. 6A shows the lock member and the base plate when the lock actuator pin 31 is located in the toggle lever gap in the initial lock operation position in which the lock actuator cam and the pin are rotated 60 degrees from the unlocked position. It is a 5-5 arrow line view inside. (B) is (A)
6 is a partial view of a lock actuator cam and a pin corresponding to the lock member position of FIG.

7 (A) is a view in particular taken along line 5-5 in FIG. 4, showing the locking member, the toggle spring being compressed, the locking pawl and pin rotated approximately 110 degrees, in particular in the poorly actuated position. Fig. (B) is a partial view of the lock actuator cam and pin corresponding to the lock member position of (A).

FIG. 8A shows, in particular, the locking member in a fully actuated position, in which position the locking pawl and pin rotated 120 degrees from the initial position shown in FIG. 5B.
FIG. 5 is a view of the lock toggle lever and the lock fork in the lock position, which is taken along arrow 5-5 in FIG. 4. (B)
FIG. 7A is a partial view of the lock actuator cam and pin corresponding to the position of the lock member in (A).

[Explanation of symbols]

 1 Body Structure Assembly 3 Sliding Door Panel (Open Position) 5 Sliding Door Panel (Closed Position) 6 Rotating Helical Drive Member 7 Base Plate 8 Support 10 Rotary Drive Motor 12 Door Hanger 13 Extension 14 Door Drive Nut Assembly 16 Lock Assembly 19 Toggle Lever 21 Extension arm 24 Spring holding block 25 Spring holding shaft 27 Toggle spring 31 Lock actuator cam 33 Lock actuator pin 35 Actuator arm 36 Actuator arm pin 37 Lock fork 43 Lock shaft 45 Lock shaft support 46 Door lock paw 47 Extension lock member

Claims (7)

[Claims] 1. A rotary spiral drive device horizontally disposed above an opening of a side wall of a passenger vehicle; and a rotary spiral drive member of the rotary spiral drive device, which is attached to a door panel. , Reciprocating the door panel away from the opening of the side wall,
A lock device that is a combination of a drive nut that opens and closes the opening, and a lock device that is operated by the rotary spiral drive member to hold the door panel closed and locked on the opening. Means for rotating the rotary spiral drive member, a lock actuator cam attached to one end of the rotary spiral drive device to rotate, and the lock extending inside the lock actuator cam along the rotary spiral drive device. A lock actuator pin on the actuator cam and a first toggle means on the drive nut, the lock being caused by rotation of the rotary spiral drive member for moving the door panel from the open to the closed position over the opening. A first toggle means for advancing toward the actuator pin; A second toggle means on the spiral drive which is actuated by the first toggle means and cooperates with the door panel to hold the door panel in a closed position when the second toggle means is actuated. Second toggle means including the panel lock member, and rotation of the rotary spiral drive device advances the drive nut to a door closed position, and the lock actuator pin causes the first toggle means to move. The locking device is characterized in that it is operated to operate the second toggle means, whereby the panel lock member holds the door panel in a closed state. 2. A rotary spiral drive member, and moving on the rotary spiral drive member, linearly moving in accordance with the rotation of the rotary spiral drive member, and moving a door panel to an open / close position on an opening of a side wall of a vehicle body. A locking device for a power door device, comprising: a cooperating nut for allowing a base plate for mounting the power door device on the side wall of the vehicle body; a door panel hanger attached to the cooperating nut; and the rotary spiral drive member. Means for rotating, a locking means provided on an end of the rotary helical drive member and extending vertically therefrom, and provided at an intermediate portion between the cooperating nut and the base plate and operated by the locking means. The cooperative nut is moved to the door closed position, and the door panel is held in the closed position in cooperation with the door panel hanger. A rotation means of the rotary spiral drive member to move the cooperating nut and the door panel to a closed position to operate the toggle means and the locking means to lock the panel. A locking device for a power door device characterized in that 3. A door panel locking device in a power door device having a spiral drive for moving a door panel of a transportation vehicle from an open position to a closed position, wherein the vehicle is for mounting the power door device and the door panel. A base plate for a power door device that is attached to, and to move the door panel from the open to the closed position,
A door driving nut that moves on the spiral drive device, a hanger means that attaches the door panel and the door driving nut, and a door driving nut between the door driving nut and the power door device base plate at a door closed position. Toggle means located, locking means provided on the helical drive for operating the toggle means when the door panel is in the closed position, the door drive nut to the door closed position and the door panel Means for rotating the spiral drive to move the locking means and the toggle means cooperating to hold the door panel in a closed position. Door panel lock device for power door device. 4. A nut toggle means provided on the door driving nut, a means provided on the spiral drive device for operating the nut toggle means, and provided on the base plate and operated by the nut toggle means. And a base plate toggle means configured to include a lock member for holding the door panel in the closed position in accordance with the operation of the nut toggle means. A door panel locking device for the power door device described. 5. The lock member according to claim 4, wherein the lock member includes a lock cam provided at one end of the spiral drive device, and a lock pin extending inside the lock cam. Door panel lock device for power door device. 6. The nut toggle means comprises: a toggle lever having a toggle pin extending inward, and a first fork-shaped member for catching the lock pin when the door panel reaches a closed position, 6. The door panel locking device for a power door device according to claim 5, wherein the rotation of the lock cam operates the nut toggle means. 7. The base plate toggle means comprises a second fork-shaped member attached to the base plate for rotational movement and having rotational movement therein, wherein the toggle pin is the second fork. The shape member is caught, the base plate toggle means is operated, and the second member
7. The door panel lock device for a power door device according to claim 6, wherein the fork-shaped member is positioned adjacent to the door hanger.