JP2605354B2 - Vehicle door lock device - Google Patents

Description

The present invention relates to a vehicle door lock device, and more particularly, to a device for unlocking a door.

b.Conventional technology A vehicle door lock device has a lock function that holds a door in a closed state and operates a door handle to release a closed state of a door, and operates a door handle to open a door. However, it has a locking function of maintaining the closed state so that the door is not opened.

c. Problems to be Solved by the Invention By the way, since the door handle for releasing the door lock is arranged on the abdomen of the door, it cannot be operated by other than the hand. Therefore, when both hands are closed by luggage or the like, it is difficult to open the door from outside.

Accordingly, an object of the present invention is to provide a vehicle door lock device that can open a door from outside without using a hand.

d. Means for Solving the Problems In the vehicle door lock device of the present invention, a pedal is disposed on the vehicle body outside the opening and closing movement range of the door, and a pin is disposed on the side sill below the door so as to be freely retractable, By linking the pedal and the pin, further arranging a rod slidably in the door above the pin, engaging the tip of the rod with a door lock open lever, and depressing the pedal, The pin protrudes, thereby actuating the rod to unlock the door.

e. Operation In the vehicle door lock device of the present invention, when the pedal is depressed with the foot, the door lock is released, and the door is slightly opened. Therefore, if the feet or the like are inserted inside the door and the door is moved outward, the door is opened without using hands.

f. Embodiment FIGS. 1 to 5 show a vehicle door lock device according to the present invention.

In this door lock device, a pedal 2 is disposed on a side body 1 of a vehicle body, a rod 4 is disposed in a door 3, and when the pedal 2 is depressed, a device main body 5 is operated via the rod 4. , Thereby releasing the door lock.

3 and 4, the apparatus main body 5 has a striker insertion port 7 on one end surface of a housing 6, and has a latch 8 and a locking claw 9 in the housing 6. . The latch 8 is disposed rotatably with respect to the housing 6 by a shaft 10. The notch 11 is urged by a spring (not shown) in a direction in which the notch 11 matches the striker insertion port 7 as shown in FIG. ing. The latch 8 has a step 12 on the peripheral surface. The locking claw 9 is also a shaft
13 is provided rotatably with respect to the housing 6, and is urged by a spring 14 in a counterclockwise direction in FIG.

Further, as shown in FIG. 3, the apparatus main body 5 has a door lock open link lever 15,
A door lock open link 16, a door lock open lever 17, a door lock inside open lever 18, and a door lock locking lever 19 are provided. The open link lever 15 is disposed rotatably with respect to the housing 6 by the shaft 13 of the locking claw 9. A pin 20 is implanted in the open link lever 15, and the tip of the pin 20 is connected to the locking claw 9. Also,
The open link lever 15 has an engagement piece 21 formed by bending one end and a sub-lever 22 attached to the other end. The open link lever 15 is urged clockwise in FIG. 3 by the spring 14. The upper end of the open link 16 is connected to one end of the open lever 17 by a pin 23. The open link 16 has a long hole 24 at a lower part, and a tongue piece 25 facing the engaging piece 21 of the open link lever 15 at an intermediate part. The open lever 17 is connected to the shaft 26
And is rotatably disposed with respect to the housing 6. The open lever 17 is urged clockwise in FIG. 3 by a spring 27. The inside open lever 18 is disposed rotatably with respect to the housing 6 by a shaft 28, and a lower end 29 thereof is
It is engaged with the other end 30 of the open lever 17. The locking lever 19 is rotatably disposed with respect to the housing 6 by a shaft 31. This locking lever 19
Is selectively positioned by a toggle mechanism using a spring (not shown) to either a state where one end 32 is lowered or a state where the other end 33 is lowered as shown in FIG. In the locking lever 19, a tongue piece 34 is formed at an intermediate portion, and the tongue piece 34 is engaged with the long hole 24 of the open link 16.

When the door 3 is opened, the notch 11 of the latch 8 faces the striker insertion port 7 as shown in FIG. 4 when the door 3 is opened, and the locking lever 19 As shown in FIG. 3, one end 32 is in a lowered state.

When the door 3 is closed, the apparatus main body 5 advances toward the striker 35 installed on the vehicle body side, and the notch 11 of the latch 8 strikes the striker 35 via the insertion opening 7. Further, the device body 5
Is pushed into the striker 35, the latch 8 is rotated as shown by the dotted line arrow in FIG. 4, and the striker 35 is completely taken into the apparatus main body 5. When the latch 8 is rotated, the step 12 of the latch 8 engages with the locking claw 9. This state is a door lock state.

In this state, when the inside open lever 18 is pulled in the direction of the dashed line arrow shown in FIG. 3 and rotated in the direction of the solid line arrow, the open lever 17
Rotated counterclockwise. By the operation of the open lever 17, the open link 16 is moved downward, the tongue piece 25 of the open link 16 hits the engaging piece 21 of the open link lever 15, and the open link lever 15 is rotated counterclockwise. . When the open link lever 15 is actuated, the movement is transmitted to the locking claw 9 shown in FIG. 4 via the pin 20, and rotates the locking claw 9 clockwise. Therefore, the engagement between the locking claw 9 and the step portion 12 of the latch 8 is released,
The latch 8 is moved to the fourth position by the urging force of a spring (not shown).
It returns to the state shown in the figure. This state is the unlocked state of the door lock.

The locking lever 19 is in the state shown in FIG.
When the tongue piece 34 has been moved to the left in the state where 32 is lowered, the open link 16
At a position rotated clockwise around the Therefore, the open link 16 associated with the unlock operation described above
Is lowered, the tongue piece 25 comes into contact with the engagement piece 21, thereby operating the open link lever 15. However, when the locking lever 19 is operated with the other end 33 of the locking lever 19 lowered, the tongue piece 34 is moved rightward. Is moved to a position rotated counterclockwise. When the lock release operation is performed in such a state, even if the open link 16 is lowered, the tongue piece 25 is disengaged from the engagement piece 21, so that the open link lever 15 is not operated. Therefore, in such a state, the door cannot be unlocked. Such a state is a locked state. To release this locked state, use the locking lever
19 is rotated counterclockwise to the state shown in FIG.
It is only necessary to operate when 32 is lowered.

2, the upper end 36 of the inside open lever 18 is linked to the inside handle 37, and the one end of the rocking lever 19, as shown in FIG.
32 is linked to the cylinder lock 38, the other end 33 is linked to the knob 39, and the sub-lever 22 of the open link lever 15 is linked to the rod 4.

The rod 4 is supported by brackets 40 and 41 so as to be vertically movable. The upper bracket 40 has a long hole 42, and the long hole 42 allows the rod 4 to tilt in the direction indicated by the dashed line. Rod 4
A groove 43 for receiving the sub-lever 22 is formed at the upper end of the groove. The rod 4 has a spring receiver 44 at the lower part. Then, the spring receiver 44 and the bracket
A spring 45 is interposed between the spring 41 and the spring 41 to urge the rod 4 downward, and the stopper 46 determines the lowermost position of the rod 4. Further, an L-shaped lever 46 is provided on the bracket 40, and a link 47 is provided at one end of the lever 46.
Are connected. The link 47 has a long hole 48 at one end, and the long hole 48 is engaged with a pin 49 implanted in the rod 4. The other end of the L-shaped lever 46 is linked to the knob 39, and by operating the knob 39, the rod 4 is moved in the direction indicated by an alternate long and short dash line, and the groove 43 of the rod 4 is opened. The position of the lever 15 with respect to the sub-lever 22 is shifted.

As shown in FIGS. 2 and 5, a pin 51 is disposed on the side sill 50 located below the rod 4 so as to be able to protrude and retract. A rack 52 is formed on the peripheral surface of the pin 51. On the other hand, as shown in FIG. 2, the pedal 2 is provided with a shaft 53 integrally, and one end of the shaft 53 extends to the side of the pin 51. A pinion 54 is fixed to one end of the shaft 53, and the pinion 54 is engaged with the rack 52 of the pin 51. The state of the pedal 2 shown in FIG. 2 is maintained by a spring (not shown). In this state, the pin 51 is at the lowermost position.

The door lock device of the above embodiment is operated as follows.

When one end of the pedal 2 is depressed in a state where the cylinder lock 38 is not locked and the knob 39 is pulled up, that is, in a state where the locking lever 19 is in the unlocked position, the pinion at the end of the shaft 53 rotates. Then, the pin 51 is moved upward to come into contact with the lower end 55 of the rod 4 and then push up the rod 4.
Then, the groove 43 at the upper end of the rod 4 is an open link lever.
The sub-lever 22 is fitted with the 15 sub-lever 22, and the sub-lever 22 is further pushed up. When the open link lever 15 is operated in this manner, the engagement claw 9 is interlocked and the door lock is released as described above. That is, the door 3 in this state is slightly opened. Therefore, it is possible to insert a foot inside the door 3 and open the door with the foot.

When the knob 39 is lowered, the lever 46 is rotated, and the link
The upper part of the rod 4 is moved via the arrow 47 in the direction of the arrow indicated by the dashed line. In this state, even if the rod 2 is moved upward by depressing the pedal 2, the upper end of the rod 4 is disengaged from the sub-lever 22 of the open link lever 15 and does not engage with the open link lever 15. Therefore, the door lock is not released. That is, in the locked state, the door lock is not released even if the pedal 2 is operated.

Note that the door lock is released regardless of the pedal 2 described above.
The lock can be performed by operating the inside handle 37, and the locking can be performed by operating the cylinder lock 38 and the knob 39.

g. Effects of the Invention As described above, in the vehicle door lock device according to the present invention, the door lock can be released by the foot.

Therefore, the door can be opened without using hands, which is extremely advantageous when both hands are closed.

[Brief description of the drawings]

FIG. 1 is a perspective view conceptually showing a vehicle provided with a door lock device according to the present invention, FIG. 2 is a perspective view conceptually showing a main part of the door lock device, and FIGS. The figure is a perspective view showing the device main body of the door lock device, and FIG. 5 is a sectional view showing the installation structure of the pins of the door lock device. DESCRIPTION OF SYMBOLS 1 ... Side body, 2 ... Pedal, 3 ... Door, 4 ... Rod, 5 ... Device body, 6 ... Housing, 7 ... Striker insertion opening, 8 ... Latch, 9 ... Engagement claw , 11 ... notch, 12 ... step, 15 ... open link lever, 20 ... pin, 22 ... sub lever, 50 ... side sill, 51 ... pin, 52 ... rack, 53 ... shaft, 54 ...... Pinion.

Claims (1)

(57) [Claims] 1. A pedal is disposed on a vehicle body outside a door opening / closing movement area, and a pin is disposed on a side sill below the door so as to be freely retractable, and the pedal and the pin are linked to each other. By disposing a rod slidably in the door and engaging the tip of the rod with a door lock open lever, and depressing the pedal,
A door lock device for a vehicle, wherein the pin is protruded, whereby the rod is operated to release the door lock.