JPH0743385Y2 - Door lock operation device for automobiles - Google Patents

Description

TECHNICAL FIELD The present invention relates to a vehicle door lock operating device.

2. Description of the Related Art Among the door lock devices for automobiles, there is, for example, JP-A-60-175.
As shown in Japanese Patent No. 677, when a door inside handle is pulled up, a door lock device equipped with an override mechanism that can be unlocked and has improved usability even when the door inside lock knob is in a locked position is known. ing.

DISCLOSURE OF THE INVENTION Problems to be Solved by the Invention In the above-mentioned conventional structure, when the door inside lock knob is operated in the unlocking direction, the door lock device is unlocked, so that the door inside lock knob is operated in the unlocking direction from outside the vehicle. There is no way to prevent theft. Further, the door lock device may be unlocked due to an erroneous operation of the door inside handle. Therefore, the present invention provides a door lock operating device for an automobile in which the door locking device does not unlock even when the door inside locking knob is operated, and the door inside handle does not pull up due to an erroneous operation. .

Means for Solving the Problems A knob rod of a door inside lock knob in an automobile door having a door lock device with an override mechanism that can be unlocked by pulling up a door inside handle regardless of a locked position of the door inside lock knob. And an operating force transmission system with the locking / unlocking lever of the door lock device connecting the knob rod, the locking / unlocking lever is operated by operating the door inside lock knob in the locking direction, and the knob rod is operated by operating in the unlocking direction of the door inside lock knob. Is provided with a mechanism for idling against the locking / unlocking lever, while a grip that is formed at the free end of the door inside handle is constantly biased in the locking direction and engages with the lock groove provided in the handle escutcheon. A pin is placed and the grip is pushed by the gripping force. A lock release button for disengaging the lock pin from the lock groove is provided.

Operation When the door inside lock knob is operated in the locking direction, the knob rod and the locking / unlocking lever operate integrally to lock the door lock device. Even if the door inside lock knob is operated in the unlocking direction, the knob rod swings against the locking / unlocking lever and the lock of the door lock device is maintained. When the grip portion of the door inside handle is gripped, the lock release button is pushed by this gripping force, the lock pin is disengaged from the lock groove, and the lifting operation of the door inside handle is permitted. Therefore, by pulling up the door inside handle, even if the door inside lock knob is at the locking position, the door locking device is unlocked and the door inside lock knob is returned to the position before the locking operation.

Embodiment Hereinafter, one embodiment of the present invention will be described in detail with reference to the drawings.

In FIGS. 1 and 2, reference numeral 1 denotes a door lock device provided on the door body D and engaged with and disengaged from a striker provided on the vehicle body opening edge (not shown). The door lock device 1 is provided on the outer surface of the door body D. It is locked and unlocked by operating an external key cylinder, and is also locked by a pushing operation of a door inside lock knob 5 provided on the waist portion of the door body D on the passenger compartment side. The door inside lock knob 5 is provided at an end of a knob rod 6, and the knob rod 6 is connected to a locking / unlocking lever 2 of a door lock device 1, and the locking / unlocking lever 2 is locked / unlocked by a key cylinder (not shown) and a door. The inside lock knob 5 is pushed to be locked. Door body D
Inside door handle 7 installed on the side of the passenger compartment
Is connected to the open lever 3 of the door lock device 1 via the handle rod 8. Similar to the conventional door lock device described above, when the door inside handle 7 is pulled up and the open lever 3 is pulled and rotated through the handle rod 8, the door inside lock knob 5 is in the locked position. Also has an override function for unlocking the door lock device 1 and rotating the locking / unlocking lever 2 in the unlocking direction to return the door inside lock knob 5 to the state before being brought to the locked position.

Here, in the operation force transmission system between the knob rod 6 of the door inside lock knob 5 and the locking / unlocking lever 2 of the door lock device 1, the pushing operation force of the door inside lock knob 5 is normally transmitted to the locking / unlocking lever 2. However, the locking / unlocking lever 2 is provided with an idling mechanism 10 that does not transmit the operating force to the locking / unlocking lever 2, because the knob rod 6 is idling against the pulling-up operating force of the door inside lock knob 5. In this embodiment, this idling mechanism
10, a vertical hole 4 is formed at the end of the locking / unlocking lever 2 on the side where the knob rod 6 is connected, and the lower end of the knob rod 6 is slidably engaged with this long hole 4 so that the idle swing function can be achieved. is doing.

On the other hand, the door inside handle 7 is rotatably supported on the handle escutcheon 9 by a support shaft 11, and has a gripping portion 12 formed at its free end. The handle rod 8 is pulled by pulling up against the spring force (not shown) attached to the
It is designed to automatically return when you release your hand from 12 and lock pin 13 and lock release button 14
Etc. are provided. A pair of pin accommodating holes 15 are formed in the grip portion 12, and lock pins 13 are arranged in these pin accommodating holes 15 so as to be retractable. Each of the lock pins 13 is constantly urged in a protruding direction by a spring 16 mounted on the bottom of the pin accommodating hole 15, and normally engages with a lock groove 17 provided at the upper and lower edges of the handle escutcheon 9. It is supposed to do. Further, the lock pin 13 is integrally provided with a protrusion 18 slidably contacting the inclined cam surface 14a formed on the lock release button 14, and by pushing the lock release button 14, the protrusion 18 is formed on the inclined cam surface 14a. Is pushed, lock pin 1
It is designed such that 3 is immersed and released from the lock groove 17. Each of the lock release buttons 14 is arranged at a position to be pushed by a finger when the grip portion 12 is properly gripped.

According to the above-described structure of the embodiment, when the door inside lock knob 5 is pushed, the locking / unlocking lever 2 is pushed through the knob rod 6.
Rotates in the locking direction to lock the door lock device 1. When the door inside lock knob 5 is pulled up from this locking position, the lower end of the knob rod 6 only moves upward in the elongated hole 4 of the locking / unlocking lever 2 as shown by the chain line in FIG. The lock lever 2 does not transmit the pulling operation force, and the door lock device 1
The lock is maintained. Therefore, even if the door inside lock knob 5 is pulled up from the outside of the vehicle, the door opening is prevented.

Next, even if the door inside handle 7 tries to pull it up by putting a finger on the grip portion 12, the engagement state between the lock pin 13 and the lock groove 17 is maintained unless the lock release button 14 is pressed, The careless pulling operation is prevented. Therefore, only when the gripping portion 12 is firmly gripped for the purpose of opening the door, the lock release button 14 is pressed by the gripping force, the lock pin 13 is retracted and released from the lock groove 17, and the door inside is closed. Allowing the pulling up operation of the handle 7 enables unlocking of the door lock device 1 and opening of the door.

As described above, according to the present invention, even if the door inside lock knob is operated illegally from outside the vehicle during parking, the idling mechanism provided in the operating force transmission system between the knob rod and the locking / unlocking lever allows The knob rod is not swung against the locking / unlocking lever and the door lock device is not unlocked, so that the anti-theft property can be enhanced. In addition, even if an external force in the pulling direction is accidentally applied to the door inside handle while the vehicle is locked with the door lock device running, the grip portion of the door inside handle can be firmly held for the purpose of opening the door. Unless the lock release button is pushed by pressing the lock release button, the lock pin and the lock groove are not disengaged from each other, so that the door inside handle is prevented from being pulled up. Therefore, there is an advantage that it is possible to surely prevent the door opening during traveling, which is a concern with the door provided with the door lock device with the override mechanism, and to further enhance the safety.

[Brief description of drawings]

FIG. 1 is a schematic configuration diagram showing an embodiment of the present invention, and FIG. 2 is an inner side view of an automobile door equipped with the device of the embodiment. 1 ... Door lock device, 2 ... Locking / unlocking lever, 3 ... Open lever, 5 ... Door inside lock knob, 6 ...
… Knob rod, 7 …… door inside handle, 9 ……
Steering wheel escutcheon, 10 …… Swing mechanism, 12 …… Grip, 13 …… Lock pin, 14 …… Unlock button, 17
...... Rock groove.

Claims (1)

[Scope of utility model registration request] 1. A knob rod for a door inside lock knob in an automobile door having a door lock device with an override mechanism that can be unlocked regardless of a locked position of the door inside lock knob by pulling up a door inside handle. The operating force transmission system with the locking / unlocking lever of the door lock device connected with the knob rod locks and unlocks the locking / unlocking lever by operating the door inside lock knob in the locking / unlocking direction, and unlocks / unlocks by operating the door inside lock knob in the unlocking direction. While providing a free-wheeling mechanism for free-locking against the lock lever, a gripping part formed at the free end of the door inside handle is provided with a lock pin that is constantly urged in the lock direction to engage with the lock groove provided in the handle escutcheon. It is installed and is pushed by the gripping force by the gripping force to Automobile door lock operating device being characterized in that disposed a lock release button to disengage from the lock groove Kupyn.