JP2001311337A - Door lock operating device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door lock operating device for vehicle capable of increasing an assembly operation by directing connecting a manual releasing knob 9 to a ratchet drive lever 5, suppressing the product price of a backup operation means from rising by reducing the number of parts of the backup operation means, and increasing a burglarproofness. SOLUTION: A backup operation means for releasing the ratchet 3 of a door lock when an actuator for unlatch does not function to unlock by an accident or a trouble comprises a manual releasing knob 9 directly connected to the rotating center part 41 of a ratchet drive lever 5 through the output shaft 7 of the actuator for unlatch. Then, the manual releasing knob 9 having a rotor 56 with a knob part 55 formed thereon so as to be released from the indoor side in an emergency is installed so that the shaft-shaped part 57 thereof is rotatably supported on the opening part of a door trim 14 stretched on the indoor side of a door panel 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an actuator for electrically releasing the engagement of a door lock latch and a striker, and a manual release knob for mechanically releasing the engagement of the latch and the striker. The present invention relates to a door lock operation device provided.

[0002]

2. Description of the Related Art For example, Japanese Patent Application No. 11-366313 (filed on Dec. 24, 1999) discloses that, as shown in FIG. 6, an unlatching motor of an unlatching actuator is released due to an accident or failure. (Unlatch) When the operation stops, the manual release lever 102 composed of the wire cable 101 is operated to mechanically release the engagement state between the ratchet and the latch of the door lock 103, and the engagement between the latch and the striker is performed. There is described a vehicle door lock operating device having a structure capable of releasing the door lock operating device. Note that the manual release lever 102 is arranged in a place where a hand can reach from a window (closed at a normal time) provided in a door trim 105 stretched on the vehicle cabin side of the door panel 104, and the wire cable 101, It is configured to move the ratchet in the unlatching direction via the link lever.

[0003]

However, in the above-described vehicle door lock operating device, the manual release lever 10 is not provided.
2. Since the wire cable 101 is routed inside the door panel 104 in a narrow space and connected to the ratchet of the door lock via the link lever, there is a problem that the assembling workability is poor. In addition, since parts such as a bracket for holding the manual release lever 102 and the wire cable 101 in the door panel 104 are required, the number of parts is large, and there is a problem that the product price is increased. Further, a person who wants to steal an article placed in the vehicle or the passenger compartment inserts a thin hook into the gap between the door panel 104 and the side window glass, pulls the wire cable 101, and latches the door lock 103. It is common to take measures to release the engagement with the striker. For this reason, it is necessary to improve the anti-theft property for preventing the theft of the article in the vehicle or the passenger compartment as described above.

[0004]

SUMMARY OF THE INVENTION It is an object of the present invention to provide a door lock operating device capable of improving assembling workability by directly connecting a manual release knob and a ratchet drive lever. Another object of the present invention is to provide a door lock operating device capable of suppressing an increase in the product price of the backup operating means by reducing the number of parts of the backup operating means and improving the anti-theft property.

[0005]

According to the first aspect of the present invention, the backup operation means for releasing the door lock when the actuator cannot be released due to the occurrence of an accident or a failure is provided by a ratchet. By using a manual release knob directly connected to the rotation center of the drive lever, there is no need to route a wire cable or the like in a door panel in a narrow space, for example, and the engagement state between the latch and the striker via the ratchet drive lever. Can be mechanically released. As a result, the workability of assembling the backup operation means can be improved, and the need for connecting parts and holding parts is eliminated, so that the product price of the backup operation means can be reduced.

According to the second aspect of the invention, the shaft portion of the manual release knob is rotatably mounted on the door trim mounted on the indoor side of the door panel, and the ratchet drive lever and the ratchet are rotatable in the door lock housing. , The manual release knob and the ratchet drive lever cannot be moved from the outside, and the engagement between the latch and the striker is not released. Thereby, the anti-theft property can be improved.

According to the third aspect of the present invention, the width of the two faces at which the tip of the shaft that rotates integrally with the rotation center of the ratchet drive lever fits into the end face of the shaft of the manual release knob. A concave portion is formed. Thereby, the shaft portion of the manual release knob can be attached to the ratchet drive lever without idling by simply inserting the concave portion into the tip portion of the shaft. Thus, the manual release knob can be easily connected directly to the ratchet drive lever.

According to the fourth aspect of the present invention, a concave portion having a two-sided width is formed on the end surface of the rotation center portion of the ratchet drive lever, into which the distal end portion of the shaft portion of the manual release knob fits. ing. Accordingly, the shaft portion of the manual release knob can be attached to the ratchet drive lever by simply inserting the concave portion into the distal end portion of the shaft portion of the manual release knob without rotating freely with respect to the ratchet drive lever. Thus, the manual release knob can be easily connected directly to the ratchet drive lever. According to the invention described in claim 5, the actuator is provided with a motor that rotates by operating a switch from indoor or outdoor, and an output shaft that transmits the rotational output of the motor to the ratchet drive lever.

[0009]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Embodiments of the present invention will be described based on embodiments with reference to the drawings. FIGS. 1 to 4 show a first embodiment of the present invention. FIG. 1 is a view showing a door equipped with a vehicle door lock operating device, and FIG. () Is a diagram showing a state in which the shaft portion of the manual release knob and the shaft portion of the ratchet drive lever are directly connected via the output shaft of the unlatching actuator.

The vehicle door lock operating device of the present embodiment is
The door is mounted on a door panel 1 for each door mounted on a vehicle such as an automobile, and controlled by a door lock control device (hereinafter referred to as a door ECU) 10 provided for one or each door. The door panel 1 of each door (for example, a front door, a rear door, and a back door) has a door lock having a meshing mechanism capable of engaging and disengaging with a striker 2 fixed to a door receiving portion of a vehicle, and a meshing mechanism of the door lock. One ratchet drive lever 5 for driving the lever in the unlatching direction
An unlatching actuator for electrically releasing the engagement mechanism of the door lock via the ratchet drive lever 5; and a backup operating means for mechanically releasing the engagement mechanism of the door lock via the ratchet drive lever 5. Is installed.

The door panel 1 is a sash door that opens rearward at the front hinge, which is difficult to open due to wind pressure. The inner panel 11 is formed by deep drawing of a steel plate, and three sides excluding the waistline 12 are hemmed and spot-welded or bonded. And the outer panel 13 assembled together.
A door trim (lining) 14 is attached to the interior of the door panel 1 to cover the interior of the inner panel 11. The inner panel 11 has an opening (a round hole, an oval hole, or a square hole) 15 through which an output shaft of an unlatching actuator described later is inserted. The door trim 14 has an opening (substantially oval hole) 16 through which the manual release knob 9 constituting the backup operation means is rotatably inserted.

The engagement mechanism of the door lock is a substantially L-shaped latch housing (corresponding to the door lock housing of the present invention) disposed at the end of the door panel 1 opposite to the door hinge (not shown). 17, this latch housing 17
The ratchet 3 is rotatably supported in the inside, and the latch 4 changes the engagement state (engagement state) with the striker 2 according to the rotation of the ratchet 3. As shown in FIG. 1, the latch housing 17 and the door panel 1 are formed with a substantially U-shaped notch 19 capable of receiving a striker.

As shown in FIGS. 3 and 4, the ratchet 3 is provided on the inner wall surface of the latch housing 17 so as to be rotatable about a support shaft 21. Then, the ratchet 3 is changed to an engagement position (a full latch position or a half latch position) for engaging with the latch 4 and a release position (unlatched position) for releasing the engagement state with the latch 4 according to the rotation angle.

The ratchet 3 has a claw-shaped engaging portion (hereinafter referred to as a claw portion) capable of engaging with the latch 4.
22 and an engagement piece 23 capable of engaging with the output portion of the ratchet drive lever 5 are provided. Also,
A ratchet spring 25 is mounted on the projecting piece 24 of the ratchet 3 so as to urge the ratchet 3 in a direction of returning from the unlatched position to the meshing position.

The ratchet spring 25 has one end locked to the projecting piece 24 of the ratchet 3 and the other end locked to the projection 26 of the latch housing 17. When the ratchet 3 is pushed by the output portion of the ratchet drive lever 5, the ratchet 3 rotates in the clockwise direction around the support shaft portion 21 against the urging force of the ratchet spring 25 and meshes with the latch 4. Is released.

As shown in FIGS. 3 and 4, the latch 4 is provided on the inner wall surface of the latch housing 17.
1 is provided so as to be rotatable. The latch 4 locks (holds) the door by completely meshing with the striker 2 in accordance with the rotation angle, and a full latch state (door closed state) where the latch 4 is not completely meshed with the striker 2 (half door state). ), And the opening of the notch 32 described later is changed to the initial state facing leftward in the figure. The latch 4 is changed between a full latch state in which the ratchet 3 is engaged (see FIG. 3) and an unlatched state in which the ratchet 3 is released from engagement (see FIG. 4) according to the rotation angle of the ratchet 3.

The latch 4 has a substantially U-shaped notch 32 that can be engaged with the striker 2 and engages with the claw 22 of the ratchet 3 when the door is completely closed (fully latched). The claw-shaped first engaged portion 33 to be engaged, and the claw-shaped second engaged member engaged with the claw portion 22 of the ratchet 3 when the door is not completely closed in a half-door state (half-latch state). A joint 34 and the like are provided.

A recess around the support shaft 31 of the latch 4 for accommodating a latch spring 35 for returning the latch 4 to an initial state (a position in which the opening of the notch 32 is directed to the left in the drawing). (Opening portion) 36 is formed. The latch spring 35 has one end locked to a columnar projection 37 provided on the latch housing 17 and the other end locked to the groove wall surface of the concave portion 36.

The unlatch actuator is assembled between the inner panel 11 and the door trim 14 and rotates the ratchet 3 via the ratchet drive lever 5 to electrically connect the latch 4 to the striker 2. Door lock driving means for performing an unlatch operation for releasing.

The unlatch actuator is
Door ECU via electric wiring 61 such as a wire harness
The housing 6 includes an unlatch motor that is activated or deactivated by a control signal from the motor 10 and a gear reduction mechanism that reduces the rotational speed of the unlatch motor. The housing 6 is a divided case in which a container-shaped case and a cover for closing an opening of the case are attached to each other, and is fixed to the inner panel 11 of the door panel 1 by using a fastener (not shown). Electrical wiring 6 such as a wire harness is provided on the side wall surface of the housing 6.
1 is provided with a connector (not shown).

The unlatching motor and the gear reduction mechanism constitute an actuator body. One end of the output shaft 7 protrudes from the indoor side end surface of the housing 6, and the other end of the output shaft 7. The portion protrudes from the outdoor end surface of the housing 6 and has an opening 15 of the inner panel 11.
Through the door panel 1 (between the inner panel 11 and the outer panel 13) and is connected to the input portion of the ratchet drive lever 5. In addition, both ends of the output shaft 7 have a two-plane width in a circular cross section. In addition, a sealing member (not shown) is provided on the bearing portion of the housing 6 that rotatably supports the protruding portion of the output shaft 7 in order to increase the waterproofness of the unlatch actuator.
Is given.

An annular sealing elastic body 39 is interposed between the end surface of the housing 6 of the unlatch actuator and the end surface of the inner panel 11 on the vehicle interior side in a non-contact manner with the output shaft 7 of the unlatch actuator. ing. The sealing elastic body 39 is provided in the opening 1 of the inner panel 11.
5 is sealed in a liquid-tight manner, and the output shaft 7 of the unlatching actuator is inserted with a margin. The elastic body 39 for sealing is attached to the end face of the housing 6 using an adhesive (not shown). In addition, the sealing elastic body 39 may be attached to the end surface of the inner panel 11 on the vehicle interior side.

The ratchet drive lever 5 is formed in a predetermined shape from a metal material or a resin material, and is integrally accommodated in the latch housing 17 together with the ratchet 3 and the latch 4. This ratchet drive lever 5 is
It has a rotation center part (input part) 41 rotatably supported by the latch housing 17 and a door lock drive part (output part) 42 for directly driving the ratchet 3 of the door lock.

As shown in FIG. 2A, the rotation center portion 41 is provided coaxially with the output shaft 7 of the unlatch actuator, and has one end rotatably supported by the opening 43 of the latch housing 17. The other end is rotatably supported by a bearing 44 of the latch housing 17. 2 (a) and 2 (b) are attached to one end of the rotation center 41.
As shown in FIG. 7, a shaft portion 46 having a concave portion 45 having a two-sided width to which the other end of the output shaft 7 is fitted is formed.

The door lock drive section 42 is provided with a rotation center section 41.
Is extended radially outward (on the side of the ratchet 3, downward in FIG. 2), and engages with the engagement piece 23 of the ratchet 3. Here, the ratchet drive lever 5 is connected to the rotation center 4.
By rotating about the shaft 1, an unlatch output lever for performing an unlatch operation of moving the engagement piece 23 of the ratchet 3 in the rightward rotation direction (unlatch direction) in FIG. .

The backup operation means of the present embodiment is shown in FIG.
As shown in (a), the inner panel 1 of the door panel 1
1 is a manual release knob 9 rotatably supported by a door trim 14 that covers the interior of the vehicle compartment, and when the unlatch motor does not release due to an accident or failure, the ratchet drive lever 5 is moved in the unlatch direction. By turning the ratchet 3, the ratchet 3 is moved to release the engagement between the ratchet 3 and the latch 4 so that the engagement between the latch 4 and the striker 2 can be released.

The manual release knob 9 is formed in a predetermined shape from a metal material or a resin material.
As shown in (c), a disk-shaped rotor 56 having a substantially single-shaped knob portion 55 to be gripped by the operator, and a substantially cylindrical shape penetrating from the rotor 56 through the opening 16 of the door trim 14. And a shaft portion 57. Note that the shaft portion 57 is provided coaxially with the output shaft 7 of the unlatching actuator. On the end face of the shaft portion 57, a concave portion 58 having a two-sided width is formed, into which one end portion of the output shaft 7 of the unlatching actuator is fitted. Further, a flange portion 59 for sandwiching the door trim 14 around the opening 16 together with the rotor 56 is provided on the outer periphery of the shaft portion 57.
Are integrally formed.

The door ECU 10 includes a CPU, ROM, RA
A microcomputer having functions such as M and I / O ports, and has a well-known structure. The I / O port of the door ECU 10 includes an outer handle switch 51 and an inner handle switch 52 that output a door open signal (unlatch signal) for each door, and an unlatch motor of an unlatch actuator, which is connected to an electric device such as a wire harness. They are connected via wirings 61-63.

When the door ECU 10 receives a door open signal from one of the outer handle switch 51 and the inner handle switch 52 when an unlock operation is performed by a key switch, a touch switch, or the like (not shown), A door opening signal (ON signal) is output to an unlatch motor installed on the door having the switch that outputs the door opening signal.

The outer handle switch 51 is a vehicle exterior operation detecting means for detecting that the operator pulls the outside handle 53. Its outside handle 53
Is a vehicle exterior release operation means that can be manually operated from outside the vehicle. The inner handle switch 52 is a vehicle interior operation detecting means for detecting that the operator has pulled the inside handle 54. Its inside handle 54
Is a vehicle interior release operation means that can be manually operated from the vehicle interior.

Next, the operation of the vehicle door lock operating device according to the present embodiment will be briefly described with reference to FIGS. Here, FIG. 3 is a view showing a fully latched state of the door lock engagement mechanism (doors cannot be opened), and FIG. 4 is a view showing an unlatched state of the door lock engagement mechanism (doors can be opened). is there.

A) At the time of unlatch operation As shown in FIG. 3, the pawl portion 22 of the ratchet 3 engages with the first engaged portion 33 of the latch 4, and the notch 32 of the latch 4 and the striker 2 When the door latch signal is received from the door ECU 10 and the unlatch motor is supplied with power from the vehicle-mounted power supply in a door closed state (full latch state) where the gears are engaged at the proper positions, the shaft of the unlatch motor rotates.

When the shaft of the unlatching motor rotates, the output shaft 7 rotates via the gear reduction mechanism. Thus, the ratchet driving lever 5 in which the shaft portion 46 of the rotation center portion 41 is directly connected to the other end of the output shaft 7.
Rotates around the rotation center 41 together with the output shaft 7. With the rotation of the ratchet drive lever 5, the engagement piece 23 is inserted into the door lock drive portion 42 of the ratchet drive lever 5.
The ratchet 3 with which is engaged rotates. That is,
As shown in FIG. 4, the ratchet 3 rotates in the right rotation direction (unlatching direction) around the support shaft portion 21 while bending the ratchet spring 25. This allows
Claw portion 22 of ratchet 3 and first engaged portion 33 of latch 4
Is disengaged.

Then, the latch 4 to which the urging force of the latch spring 35 acts becomes rotatable clockwise in FIG. 4 (unlatched state). As a result, when an operator such as a vehicle occupant pushes an armrest or the like of the door trim 14 of the door, the latch 4 rotates about the support shaft portion 31 so that the notch 32 and the opening of the latch 4 turn left in the drawing. When the orientation and the notch 32 are disengaged from the striker 2, the door is opened, so that the vehicle occupant can get out of the cabin of the vehicle.

(B) At the time of unlatching operation Here, if the unlatch motor cannot be released due to an accident or failure, the door panel 1
Knob 5 of a manual release knob 9 attached so as to protrude toward the vehicle interior side of the door trim 14 stretched toward the vehicle interior side
Turn 5 in the unlatching direction. The rotation in the direction opposite to the unlatching direction is restricted by the inner wall surface of the opening 16 of the door trim 14.

The shaft portion 57 of the manual release knob 9 of this embodiment is directly connected to the shaft portion 46 of the rotation center portion 41 of the ratchet drive lever 5 via the output shaft 7 of the unlatching actuator. As a result, when the shaft portion 57 of the manual release knob 9 rotates in the unlatching direction,
The output shaft 7 rotates in the same direction, and the ratchet drive lever 5 rotates about the rotation center 41. With the rotation of the ratchet drive lever 5, the ratchet 3 rotates around the support shaft 21 in the unlatching direction while bending the ratchet spring 25.

As a result, the engagement between the pawl portion 22 of the ratchet 3 and the first engaged portion 33 of the latch 4 is released. Therefore, the engaged state of the latch 4 becomes rotatable in the clockwise direction in FIG. 4 (unlatched state). As a result, when an operator such as a vehicle occupant pushes an armrest or the like of the door trim 14 of the door, the latch 4 rotates about the support shaft portion 21, and the notch 32 and the opening of the latch 4 turn leftward in the drawing. Since the door is opened by disengaging the orientation and the notch 32 from the striker 2, the vehicle occupant can get out of the cabin of the vehicle even in an emergency.

[Effects of Embodiment] As described above, in the vehicle door lock operating device of the present embodiment, the backup operating means is connected to the rotation center 41 of the ratchet drive lever 5
For example, the door panel 1 in a narrow space is constituted by the manual release knob 9 which is an integral part directly connected to the door panel 1.
There is no need to route a wire cable or the like inside, and in an emergency, the engagement state between the latch 4 and the striker 2 can be mechanically released via the ratchet drive lever 5. As a result, the workability of assembling the backup operation means can be improved. In addition, since connecting parts and holding parts for attaching and holding the wire cable in the door panel 1 are not required, the product price of the backup operating means can be reduced, and the product price of the vehicle door lock operating device as a whole can be reduced. Can be reduced.

The ratchet drive lever 5 and a door lock engagement mechanism (ratchet 3, latch 4) are integrally accommodated in the latch housing 17, and the output shaft 7 of the unlatch actuator and the ratchet drive lever 5 is directly connected to the rotation center 41,
That is, any of the shaft portion 57 of the manual release knob 9, the ratchet drive lever 5, and the ratchet 3 cannot be moved from the gap between the door panel 1 and the side window glass, and the engagement state between the latch 4 and the striker 2 is released. Since it is not stolen, the anti-theft property can be improved.

The opening 4 of the latch housing 17
3 and the end surface of the shaft portion 46 of the rotation center portion 41 of the ratchet drive lever 5 rotatably supported by the bearing portion 44,
A concave portion 45 having a two-sided width is provided in which the other end of the output shaft 7 of the unlatching actuator is fitted. And
By simply inserting the other end of the output shaft 7 of the unlatch actuator into the concave portion 45, the output shaft 7 does not idle with respect to the ratchet drive lever 5, and the output shaft 7 of the unlatch actuator is connected to the axis of the ratchet drive lever 5. It can be directly connected to the shape part 46. Thus, the rotation output of the unlatching motor can be reliably transmitted to the door lock ratchet 3 via the ratchet drive lever 5.

Further, the end surface of the shaft portion 57 of the manual release knob 9 rotatably supported by the door trim 14 of the door panel 1 has a two-plane width with which one end of the output shaft 7 of the unlatch actuator is fitted. A concave portion 58 is provided. Then, only by inserting the concave portion 58 of the manual release knob 9 into one end of the output shaft 7 of the unlatch actuator through the opening 16 of the door trim 14 from the vehicle interior side, the shaft portion 57 of the manual release knob 9 is formed. Can be easily attached to the rotation center portion 41 of the ratchet drive lever 5 via the output shaft 7 without the idle rotation of the output shaft 7 and the ratchet drive lever 5 of the unlatching actuator.

[Second Embodiment] FIG. 5 shows a second embodiment of the present invention, in which the shaft portion of the manual release knob and the shaft portion of the ratchet drive lever are directly connected. .

In this embodiment, as shown in FIG. 5, the unlatching actuator is formed separately from the manual release knob 9, and the manual release knob 9 is directly connected to the ratchet drive lever 5. The ratchet drive lever 5 has an end face of the shaft portion 46 of the rotation center portion 41 of the ratchet drive lever 5,
The manual release knob 9 is provided with a concave portion 45 having a two-sided width to which the distal end portion of the shaft 73 is fitted. The rotation center 41 of the ratchet drive lever 5 is rotatably supported by the opening 43 and the bearing 44 of the latch housing 17.

The manual release knob 9 of the present embodiment is formed in a predetermined shape from a metal material or a resin material, and has a disk-shaped rotor 72 on which a substantially one-character-shaped knob 71 to be gripped by an operator is formed. And a substantially cylindrical shaft 73 penetrating from the rotor 72 through the opening 16 of the door trim 14. Note that the shaft 73 is provided coaxially with the shaft portion 46 of the rotation center portion 41 of the ratchet drive lever 5, and has a two-sided width in a circular section.
On the outer periphery of the shaft 73, together with the rotor 72, a flange portion 74 for sandwiching the door trim 14 around the opening 16 is integrally formed. Further, a flange portion 76 for mounting a seal component 75 is formed integrally with the outer periphery of the shaft 73 between the latch housing 17 and the indoor end surface.

[Modification] In this embodiment, the present invention is applied to a vehicle door lock operating device for operating a meshing mechanism of a door lock of a door mounted on a vehicle such as an automobile. Alternatively, the present invention may be applied to a vehicle door lock operating device for operating a door lock engagement mechanism of a door mounted on a small vehicle such as a passenger car or a commercial vehicle or a large vehicle such as a railroad vehicle, a bus or a truck. Further, the present invention may be applied to a building door lock operating device for operating a meshing mechanism of a door lock of a door arranged in a building such as a house or a store, as well as a vehicle.

[Brief description of the drawings]

FIG. 1 is a perspective view showing a door equipped with a vehicle door lock operating device (first embodiment).

FIG. 2A is a cross-sectional view showing a state in which the shaft portion of a manual release knob and the shaft portion of a ratchet drive lever are directly connected via an output shaft of an unlatching actuator, and FIG. FIG. 3C is a plan view showing an end face shape of the shaft-shaped portion of FIG. 1, and FIG.

FIG. 3 is an explanatory view showing a fully latched state of the engagement mechanism of the door lock (first embodiment).

FIG. 4 is an explanatory view showing an unlatched state of the engagement mechanism of the door lock (first embodiment).

FIG. 5 is a cross-sectional view showing a state in which a shaft portion of a manual release knob is directly connected to a shaft portion of a ratchet drive lever (second embodiment).

FIG. 6 is a perspective view showing a door equipped with a vehicle door lock operating device (prior art).

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 door panel 2 striker 3 ratchet 4 latch 5 ratchet drive lever 6 housing 7 output shaft 9 manual release knob (backup operating means) 11 inner panel 14 door trim 15 opening 16 opening 17 latch housing (door lock housing) 41 rotation center 45 Concave portion 46 Shaft portion 56 Rotor 57 Shaft portion 58 Concave portion 73 Shaft

Claims (5)

[Claims] 1. A door lock having a ratchet for releasing an engagement state between a latch and a striker, a ratchet drive lever for moving a ratchet of the door lock, and an engagement between the latch and the striker via the ratchet drive lever. An actuator for electrically releasing the state; and a backup operating means for mechanically releasing the engagement between the latch and the striker via the ratchet drive lever, wherein the backup operating means comprises the ratchet. A door lock operating device comprising a manual release knob directly connected to a rotation center of a drive lever. 2. The door lock operating device according to claim 1, wherein the manual release knob has a shaft portion rotatably attached to a door trim mounted on the indoor side of a door panel, and the ratchet drive lever is A door lock operating device rotatably accommodated in a door lock housing accommodating at least the ratchet. 3. The door lock operating device according to claim 2, wherein a tip of a shaft that rotates integrally with a rotation center of the ratchet drive lever is fitted on an end surface of the shaft portion of the manual release knob. A door lock operating device, wherein a concave portion having a width across flats is formed. 4. The door lock operating device according to claim 2, wherein a tip of a shaft portion of the manual release knob is fitted to an end surface of a rotation center portion of the ratchet drive lever. A door lock operating device, wherein a concave portion having a surface width is formed. 5. The door lock operation device according to claim 1, wherein the actuator is a motor that is rotated by a switch operation from inside or outside the room, and the rotational output of the motor is the ratchet. A door lock operating device having an output shaft transmitting to a drive lever.