JP3863336B2 - Door lock device for automobile - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an automobile door lock device, and more particularly to a configuration of a locking and unlocking mechanism thereof.
[0002]
[Prior art]
A conventional automobile door lock device can be operated by operating a key cylinder device provided on the outer side surface of the door, a locking / unlocking knob provided on the inner side surface of the door, or by operating a switch provided at an appropriate position. The locking / unlocking lever, which can be moved to the locking position and the unlocking position by the operation of the actuator, and the handle provided on the outer surface or the inner surface of the door are linked. And a handle linkage lever that can be moved from the operating position to the operating position. When the locking / unlocking lever is in the unlocking position, it is provided inside the door lock body by operating one of the handles. The door can be opened by releasing the meshed state between the latch and the striker provided on the vehicle body, but the unlocking lever is in the locked position. When and, even by operating the one of the handle, so that it is impossible to release the engagement state between the latch and the striker.
[0003]
[Problems to be solved by the invention]
However, in the conventional door lock device as described above, the handle linking lever is moved from the non-operating position to the operating position while the locking / unlocking lever is moving from the locking position to the unlocking position or vice versa. When the locking / unlocking lever moves from the locked position to the unlocked position or vice versa, or when the handle linkage lever is moved from the inoperative position to the activated position, May interfere with each other and become impossible to release.
[0004]
Such a phenomenon is received particularly when a key, card, switch or the like having an ID function carried by a user approaches a vehicle, receiving radio waves, infrared rays, and other information transmission media emitted from them, and performing ID verification. This is likely to occur when a remote control means is provided that automatically unlocks when it is matched.
[0005]
When such a phenomenon occurs, it is necessary to return the handle to the original position and operate the handle again.
[0006]
In view of the above-mentioned problems of the prior art, the present invention eliminates the possibility of unlocking when the locking / unlocking operation means and the handle are operated or operated almost simultaneously, and is securely locked. An object of the present invention is to provide an automobile door lock device that can be unlocked and opened.
[0007]
[Means for Solving the Problems]
According to the present invention, the above problem is solved as follows.
(1) A door lock body attached to the door, and a latch provided in the door lock body and a vehicle body mounted on the door lock body and rotated in a predetermined opening direction from the stop position. An open lever that releases the meshing state with the striker and opens the door, and an actuator that is attached to the door lock body and that is operated by operating a switch or the like provided in place, or A lock / unlock lever that can be moved between the lock position and the unlock position by operating the key cylinder device provided on the outer surface or the lock / unlock knob provided on the inner surface of the door, and the door lock body. Linked to a handle provided on the outer or inner surface of the door, and moved from the inoperative position to the activated position by operating the handle. The handle linking lever is linked to the locking / unlocking lever and the handle linking lever, and when the locking / unlocking lever is in the unlocking position, the handle linking lever is moved from the inoperative position to the operating position. Thus, the abutment portion abuts on the open lever, and the open lever can be rotated in the open direction. When the locking / unlocking lever is in the locking position, the handle linking lever is moved from the inoperative position. An automotive door lock device comprising a sub-lever that prevents the open lever from being rotated in the open direction even if it is moved to the operating position, when the handle linkage lever is located at the operating position. The moving direction and amount of movement of the abutment part of the sub-lever when the locking / unlocking lever moves from the locking position to the unlocking position And approximately equal from the inoperative position of the handle linkage lever and the moving amount and the moving direction of the contact portion during the movement into the working position when the unlocking lever is located at the unlocking position.
[0008]
(2) In the above item (1), when the end of the sub lever opposite to the abutting portion and the handle linking lever are connected by a connecting lever and the locking / unlocking lever is in the unlocking position, the handle linking lever When the connecting point between the connecting lever and the connecting lever, the connecting point between the connecting lever and the sub lever, and the contact portion of the sub lever are substantially aligned, and the locking / unlocking lever is in the locking position, the handle connecting lever and the connecting lever The connecting point between the connecting lever and the sub-lever is deviated laterally from the straight line connecting the connecting point with the abutment portion of the sub-lever so that the connecting lever and the sub-lever bend in a square shape.
[0009]
(3) In the above item (1), when a pin is projected from either the handle linking lever or the sub-lever and the locking / unlocking lever is positioned at the locking position, the handle linking lever When the pin is idled during movement from the operating position to the operating position and vice versa, and the locking / unlocking lever is positioned at the unlocking position, the handle linkage lever is moved from the non-operating position to the operating position. When the locking lever is moved from the locking position to the unlocking position when the sub lever is engaged by engaging the pin and the handle linking lever is in the operating position, the pin moves along the inclined edge. Slide to push the sub-lever toward the open lever.
[0010]
(4) A door lock body attached to the door, and a door lock body mounted on the door lock body and rotated in a predetermined opening direction from the stop position to provide a latch provided in the door lock body and the vehicle body. An open lever that allows the door to be opened by releasing the meshing state with the striker, and attached to the lock body, and linked to a handle provided on the outer side surface or inner side surface of the door. The handle linking lever adapted to be moved from the non-operating position to the operating position, the base end portion being connected to the handle linking lever, and the handle linking lever being moved from the non-operating position to the operating position and vice versa. The sub-lever attached to the door lock body so that the tip part moves forward and backward toward the open lever, An actuating member provided at the tip of the sub-lever so as to be able to move forward and backward, and an open lever provided at an appropriate position and moving the actuating member at the tip of the actuating member by moving the handle linking lever from the non-actuated position to the actuated position. Can be moved to an unlocked position in which the opening lever can be moved and a locking position in which the open lever cannot be moved in the opening direction, and when the handle linking lever is in the operating position, the operating member is moved to the locking position. And an unlocking means that allows the open lever to move in the opening direction at the tip of the operating member by moving from the position to the unlocking position.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
A first embodiment of the present invention will be described with reference to FIGS.
In the following description, the left side in FIG. 1 which is a front view is the inside of the vehicle, the right side is the outside of the vehicle, the front side of the drawing is the front of the vehicle, and the back side of the drawing is the back of the vehicle. Therefore, this door lock device is a door on the passenger seat side of the automobile.
[0012]
As shown in FIGS. 1 to 7, (1) is a box-shaped door lock body formed of a synthetic resin material with an open rear surface, and the rear surface is a cover plate (2) (see FIGS. 3 and 4). And a plurality of bolts (not shown) are fixed to the inner surface of the rear free end portion of the automobile door.
[0013]
In the door lock body (1), as shown in FIG. 2, a striker (3) fixed to the vehicle body side and a latch (4) that can be engaged and disengaged, and a half latch claw portion formed on the latch (4) (4a) and the full latch claw (4b) are engaged to prevent the latch (4) from rotating in the open direction (counterclockwise in FIG. 2), and the door is in a half-door state or a fully-closed state. A pole (5) constrained to the shaft is pivotally attached with axes (6) and (7) facing in the front-rear direction.
[0014]
(8) is a base plate having a bent piece (8a) fixed to the front surface of the door lock body (1) and bent forward.
[0015]
(9) is an open lever that is fixed to the front end of the shaft (7) of the pole (5) that protrudes forward through the door lock body (1) and the base plate (8). It has a first arm (9a) that extends and a second arm (9b) that also extends to the left, and is always stopped at the stop position shown in FIG. By being rotated in the open direction, the latching state of the latch (4) provided in the door lock body (1) and the striker (3) can be released and the door can be opened. ing.
[0016]
(10) is an outside lever (handle linking lever) pivotally attached to the base plate (8) on the front surface of the door lock body (1) with a shaft (11) pointing in the front-rear direction. The right end in FIG. An appropriate rod (not shown) is linked to an outside handle (not shown) provided on the outer surface of the door, and is rotated clockwise from the inoperative position shown in FIG. 1 by operating the outside handle. It can be moved to the operating position (see (b) and (d) in FIG. 8).
[0017]
A locking / unlocking lever (12) is pivotally attached to an approximately central portion of the base plate (8) on the front surface of the door lock body (1) with a shaft (13) facing in the front-rear direction. The locking / unlocking lever (12) includes a first arm portion (12a) facing upward, a second arm portion (12b) facing left, and a third arm portion (12c) facing downward (in FIG. Since the lower part of the lock lever (12) is cut out, the entire shape of the locking / unlocking lever (12) is shown in FIG. 8), and (a) and (a) in FIGS. It is possible to move to the locking position shown in b) and the unlocking position shown in (c) and (d) in FIG.
[0018]
As shown in FIGS. 1 and 3, the locking / unlocking lever (12) is a bent piece of the base plate (8) in the engagement hole (14) drilled at the tip of the second arm (12 b). The protrusion (16a) formed on the knob lever (16) pivotally attached with the shaft (15) facing the left and right direction to (8a) is engaged with the knob lever (16), and the knob lever (16) Is linked to a locking / unlocking knob (not shown) provided on the inner surface of the door via an appropriate rod (not shown). Therefore, by operating the locking / unlocking knob, the locking / unlocking lever (12) can be moved between the locking position and the unlocking position via the knob lever (16).
(17), each terminal is fixed to the bent piece (8a) of the base plate (8) and the knob lever (16), and the knob lever (16) and the locking / unlocking lever (12) through it are locked. It is a click spring that is urged so as to be stable in the position and the unlocked position.
[0019]
A key lever (18) is pivotally mounted on the front lower part of the base plate (8) on the front surface of the door lock body (1) with a shaft (19) pointing in the front-rear direction, as shown by an imaginary line in FIG. The tip of the arm portion (18a) extending to the right of the key lever (18) is linked to a key cylinder device (not shown) provided on the outer surface of the door via an appropriate rod (not shown). Yes.
A pair of left and right protrusions (18b) (18c) is provided on the upper part of the shaft (19) of the key lever (18), and a locking / unlocking lever (18 By fitting the third arm portion (12c) of 12) with a required play in the rotation direction, the locking / unlocking lever (12) can be moved to the locking position and the unlocking position also by the key cylinder device. It is like that.
[0020]
The locking / unlocking lever (12) is also linked to the actuator (20) shown in FIG. 1, and the operation of a switch provided at an appropriate position for operating the actuator (20) or the transmission signal of a key or card having an ID function. Also, it can be moved to the locked position and the unlocked position.
[0021]
Since the structure of the actuator (20) itself is not directly related to the present invention, the actuator (20) will be briefly described. The worm (22) provided on the rotating shaft, the worm wheel (23) meshing with the worm, the operating piece (24) rotating integrally with the worm wheel (23), and the shaft (13) portion of the locking / unlocking lever (12) The worm wheel (23) extends so as to surround the shaft (25) about half a turn, and is linked to the locking arm (26) that rotates integrally with the locking / unlocking lever (12), and part of the linking arm (26). A slide member (27) that is pivotally attached and has a distal end facing the distal end of the linkage arm (26) and sandwiching the operating piece (24) between them at a required interval, and an operating piece (24 ) Is returned to the neutral position shown in FIG. 8B by a spring (28) and the like, and is actuated by forward and reverse rotation of the motor (21). By rotating (24) counterclockwise from the neutral position shown in FIG. 8 (b), the tip of the linkage arm (26) is pushed as shown in (c) and (d) of FIG. The locking / unlocking lever (12) can be moved to the unlocking position, and conversely, by rotating the operating piece (24) clockwise from the neutral position shown in FIG. 8 (b). As shown in (a) of the figure, the locking / unlocking lever (12) can be moved to the locking position by pushing the tip of the slide member (27).
[0022]
Each of the short connecting rods (30) is connected to the tip of the first arm portion (12a) of the locking / unlocking lever (12) and the lower part of the plate-like sub-lever (29) inclined upward to the right. The end portions are connected with shafts (31) and (32) facing in the front-rear direction.
[0023]
The lower end of the sub-lever (29) forms a contact part that contacts the first arm (9a) of the open lever (9), and a protrusion (29a) (see FIG. 5) that protrudes downward from there is a door lock body. It is guided so as to move along the guide groove (33) by being slidably fitted in a guide groove (33) facing the lower left provided on the front surface of (1).
[0024]
The ends of the coupling lever (34) facing substantially up and down are arranged on the shaft (35) (slightly upward portion of the shaft (32) in the sub lever (29) and the intermediate portion of the outside lever (10). 36).
[0025]
A pin (37) facing backward is projected from the upper end of the sub-lever (29), and this pin (37) is centered on a shaft (35) provided in the middle part of the connecting lever (34). The arc-shaped elongated hole (38) is fitted, and the mutual rotation range of the sub lever (29) and the connecting lever (34) is reduced by the engagement between the pin (37) and the elongated hole (38). It is regulated.
[0026]
Thus, as shown in FIG. 8 (c), when the locking / unlocking lever (12) is located at the unlocking position, it is the connecting point between the outside lever (10) and the connecting lever (34). The shaft (36), the shaft (35) that is the connection point of the connecting lever (34) and the sub lever (29), and the lower end that is the abutting portion of the sub lever (29) are aligned substantially in a straight line. As shown in a), when the locking / unlocking lever is positioned at the locking position, the connecting lever (34) and the connecting lever (34) are connected by a straight line connecting the shaft (36) and the lower end which is the contact portion of the sub lever (29). The shaft (35), which is the connection point with the sub lever (29), is disengaged to the right, and the connection lever (34) and the sub lever (29) are bent in a square shape.
[0027]
Further, as shown in FIG. 8B, from the state where the locking / unlocking lever (12) is positioned at the locking position and the outside lever (10) is positioned at the operating position, the locking / unlocking lever ( As shown in (c) of FIG. 8, the moving direction and the moving amount of the contact portion of the sub-lever (29) when 12) is moved to the unlocking position as shown in (d) of FIG. The moving direction of the contact portion when the outside lever (10) moves from the non-operating position to the operating position (see (d) of FIG. 8) when the locking lever (12) is in the unlocking position. It is almost equal to the amount of movement.
Note that the former movement amount can be set larger than the latter movement amount.
[0028]
Therefore, when the outside lever (10) is moved from the inoperative position to the activated position while the unlocking lever (12) is moving from the locked position to the unlocked position, and the outside lever (10) is When the locking / unlocking lever moves from the locking position to the unlocking position while moving from the inoperative position to the operating position, the lower end, which is the contact portion of the sub lever (29), always moves in the same direction, Finally, the first arm portion (9a) of the open lever (9) can be surely pushed in the opening direction at the contact portion to open the door.
[0029]
Further, in any mode in which the locking / unlocking lever (12) and the outside lever (10) are operated or operated almost simultaneously, the locking / unlocking mechanism, the outside lever (10), and the open lever (9) And the like can interfere with each other or engage with each other, and thereafter cannot be released, and can always operate smoothly and reliably.
[0030]
Under normal conditions, the sub-lever (29) is operated from the inoperative position when the unlocking lever (12) is in the unlocked position as shown in FIG. 8 (c). By moving to the position, as shown in FIG. 8D, the contact portion of the sub lever (29) contacts the first arm portion (9a) of the open lever (9), and the open lever (9 ) In the open direction and the door can be opened. As shown in FIG. 8A, when the locking / unlocking lever (12) is in the locking position, the outside lever (10) Even if the lever is moved from the inoperative position to the activated position, the contact portion of the sub lever (29) does not reach the first arm portion (9a) of the open lever (9), and the open lever (9) is moved in the opening direction. It cannot be rotated and the door cannot be opened.
[0031]
As shown in FIG. 3, an inside lever (39) is pivotally attached to the upper part of the bent piece (8a) of the base plate (8) with a shaft (40) facing in the left-right direction. The upper end portion of the first arm portion (39a) facing the upper side of the inside lever (39) is connected to an inside handle (not shown) provided on the inner side surface of the door via a rod (not shown). By operating the handle, it is moved from the non-operation position shown in FIG. 3 to the operation position (not shown) rotated counterclockwise in FIG.
[0032]
The upper end of the second sub-lever (41) facing up and down is connected to the tip of the second arm (39b) facing back in the inside lever (39) with a shaft (39d) facing left and right. When the inside lever (39) is rotated from the non-operating position to the operating position, the second sub-lever (41) is lifted upward and the open lever (41a) The first arm portion 9a of 9) is pulled up, the open lever 9 is rotated in the open direction, and the door can be opened.
Therefore, when the inside handle is operated, the door can always be directly opened regardless of whether the locking / unlocking lever (12) is in the locking position or the unlocking position. That is, it is a so-called override type.
[0033]
The third arm portion (39c) facing the front lower side of the inside lever (39) has an open lever (39) through the second sub lever (41) as described above when the inside lever (39) is rotated to the operating position. 9) For rotating the knob lever (16) and the locking / unlocking lever (12) linked to the knob lever (16) to the unlocking position at the same time as rotating the opening lever 9) in the open direction. Is.
[0034]
FIG. 9 shows a modification of the first embodiment of the present invention.
In this modification, the upper and lower positional relationship between the outside handle (10), which is a handle linking lever, and the locking / unlocking lever (12) is reversed from that of the first embodiment. 30) and the shape of the connecting lever (34), etc., and the engagement portion between the pin (37) and the long hole (38) in the first embodiment is omitted. The stopper (42) protruding from 1) regulates the rotation range of the sub-lever (29) and the connecting lever (34). Furthermore, the upper end of the connecting lever (34) and the outside handle (10) The second connecting lever (43) for connecting the two and the like is only different from that of the first embodiment, and the operation and effect are the same as those of the first embodiment.
Therefore, the same members as those in the first embodiment are denoted by the same reference numerals and illustrated, and detailed description thereof is omitted.
[0035]
10 and 11 show a second embodiment of the present invention.
In the second embodiment, a pin (51) protrudes from the lower part of the handle linking lever (50) facing substantially up and down, and the locking position (FIG. 10) and a substantially triangular guide hole (54) is provided at the right end of the sub-lever (53) which is movable to the unlocking position (FIG. 11) inclined to the lower right, and the unlocking lever (52) is in the locking position. 10 (FIG. 10), when the handle link lever 50 is moved from the non-operating position (solid line in FIG. 10) to the operating position (imaginary line in FIG. 10) and in the opposite direction, the pin (51 ) Only moves along the bottom side (54a) of the guide hole (54), and when the locking / unlocking lever (52) is in the unlocking position (FIG. 11), the handle link lever (50) When moving from the non-operating position (imaginary line in FIG. 11) to the operating position (solid line in FIG. 11), the pin (51) engages with the apex portion of the guide hole (54), and the sub lever (53) is moved. And the open lever (55) is pushed in the open direction at the left end of the sub lever (53) to open the door, and the handle linkage lever (50) is located at the operating position. When the locking / unlocking lever (52) is moved from the locking position to the unlocking position during the operation (imaginary line in FIG. 10), the pin (51) moves along the inclined edge (54b) of the guide hole (54). By sliding, the sub lever (53) is pushed to the left toward the open lever (55), and the open lever (55) is pushed in the opening direction at the abutting portion of the left end of the sub lever (53). You can open the door.
The same applies when the handle linking lever (50) is moved to the operating position and the locking / unlocking lever (52) is moved to the unlocking position almost simultaneously.
[0036]
(56) protrudes from the locking / unlocking lever (52) and engages with a long hole (57) facing the left-right direction formed in the sub-lever (53) to move the sub-lever (53) in the left-right direction. Possible is a pin linked to the locking / unlocking lever (52). (58) protrudes from the door lock body (not shown) and engages with a left and right elongated hole (59) formed in the left end portion of the sub lever (53), whereby the left end of the sub lever (53) It is a guide pin that guides the part so as to be movable in the left-right direction.
[0037]
A guide hole (54) is provided on the handle linking lever (50) side so that the pin (51) protrudes from the sub lever (53) side and engages with the pin (51) so as to act in the same manner as described above. Also good.
Further, the locking / unlocking lever (52) is moved to the locking position and the unlocking position by an actuator (not shown), or the locking / unlocking lever (52) is omitted and the actuator (not shown) is used to move the sub-lever (53 ) Can be moved directly between the locking position and the unlocking position.
[0038]
FIG. 12 shows a third embodiment of the present invention.
In FIG. 12, (60) is a handle linking lever whose central part is pivotally attached to a door lock body (not shown). By operating the outside handle or the like, an operating position indicated by a solid line from an inoperative position indicated by an imaginary line. And vice versa.
[0039]
The lower end of the handle linking lever (60) is connected to the right end of a substantially horizontal sub-lever (61), and the left end of the sub-lever (61) is an actuating member that can contact the open lever (62) ( 63) is slidably mounted in the left-right direction.
[0040]
Locking / unlocking means (64) for advancing and retracting the operating member (63) from the left end portion of the sub lever (61) is provided at an intermediate portion of the sub lever (61).
This locking / unlocking means (64) is provided integrally with the motor (65) fixed to the sub lever (61) and capable of rotating in the forward and reverse directions, and the rotating shaft (65a) of the motor (65), and the operating member (63 ) And a screw rod (67) screwed into a screw hole (66) drilled in. (68) is a guide roller that is pivotally attached to the door lock body and guides the left end portion of the sub-lever (61) to be slidable in the left-right direction.
[0041]
The motor (65) is actuated by operating a key cylinder device (not shown) or by a switch (not shown) actuated by other locking / unlocking operation means, and is rotated forward and backward to produce a screw rod ( 67) and the screw hole (66), the actuating member (63) can be moved from the left end of the sub lever (61) to the unlocked position indicated by the solid line and the locked position indicated by the imaginary line. it can.
[0042]
Thus, the direction and amount of movement of the actuating member (63) from the locked position to the unlocked position when the handle linking lever (60) is located at the actuated position, the actuating member (63) is located at the unlocked position. The movement direction and amount of movement of the left end portion of the sub-lever (61) due to the movement of the handle linkage lever (60) from the non-operating position to the operating position are substantially equal.
[0043]
As a result, substantially the same operations and effects as those of the first embodiment can be achieved. That is, even if the movement of the operating member (63) from the locking position to the unlocking position by the locking / unlocking means (64) and the movement of the handle linkage lever (60) from the non-operating position to the operating position are performed almost simultaneously. Alternatively, even if the operations are performed in tandem with each other, the operating member (63) can reliably move the open lever (62) in the opening direction to open the door.
[0044]
FIG. 13 shows a fourth embodiment of the present invention.
In the third embodiment described above, the locking / unlocking means (64) is directly attached to the sub-lever (61). However, in the fourth embodiment, the locking / unlocking means (70) is attached to the door lock body (not shown). The locking / unlocking means (70) and the actuating member (63) slidably attached to the left end of the sub lever (61) in the left-right direction can be pushed and pulled with flexibility. By connecting with a wire (71), the same operation and effect as in the third embodiment can be obtained.
[0045]
The locking / unlocking means (70) includes a motor (72) fixed to the door lock body and capable of rotating in the forward and reverse directions, a pinion (73) fixedly fitted to the rotating shaft (72a) of the motor (72), and a wire (71). A rack (74) that pushes and pulls the wire (71) in the axial direction by being fixed to the base end and meshing with the pinion (73), and a rack (74) that is pivotally attached to the door lock body, and the pinion ( 73) and a flexible outer tube that guides the wire (71) with one end fixed to the door lock body and the other end fixed to the sub-lever (61). (76).
Other constituent members are the same as those in the third embodiment, and the same reference numerals are assigned to the components, and the detailed description thereof is omitted.
[0046]
【The invention's effect】
According to the present invention, the following effects can be achieved.
(a) According to the first aspect of the present invention, even when the locking / unlocking operation means and the handle are operated or operated almost simultaneously, the unlocking operation or failure does not occur and the operation can be performed reliably.
Also, when the handle linking lever is moved from the non-operating position to the operating position while the locking / unlocking lever is moving from the locking position to the unlocking position, or the handle linking lever is moved from the non-operating position to the operating position. Even when the unlocking lever moves from the locked position to the unlocked position in the middle, the door can be opened reliably by moving the open lever in the opening direction, eliminating the need to re-operate. .
[0047]
(b) According to the invention described in claim 2, it can be reliably operated with a simple structure.
[0048]
(c) According to the invention described in claim 3, the structure can be further simplified and the number of parts can be reduced.
[0049]
(d) According to the invention described in claim 4, the entire structure of the door lock device can be greatly simplified, and a complicated locking / unlocking mechanism as in the prior art becomes unnecessary.
[Brief description of the drawings]
BRIEF DESCRIPTION OF DRAWINGS FIG. 1 is a front view showing a part of a first embodiment of the present invention.
FIG. 2 is also a rear view.
FIG. 3 is a cross-sectional view taken along line III-III in FIG.
4 is a cross-sectional view taken along line IV-IV in FIG.
5 is a cross-sectional view taken along line VV in FIG.
6 is a cross-sectional view taken along line VI-VI in FIG.
7 is a cross-sectional view taken along line VII-VII in FIG.
FIG. 8 is an operation explanatory diagram of the first embodiment of the present invention.
FIG. 9 is an operation explanatory diagram of a modified example of the first embodiment of the present invention.
FIG. 10 is a front view of a main part in a locked state according to a second embodiment of the present invention.
FIG. 11 is a front view of the main part in the unlocked state.
FIG. 12 is a front view of an essential part of a third embodiment of the present invention.
FIG. 13 is a front view of an essential part of a fourth embodiment of the present invention.
[Explanation of symbols]
(1) Door lock body
(2) Cover plate
(3) striker
(4) Latch
(4a) Half latch claw
(4b) Full latch claw
(5) Paul
(6) (7) axis
(8) Base plate
(8a) Folded piece
(9) Open lever
(9a) 1st arm
(9b) Second arm
(10) Outside lever (handle linkage lever)
(11) axis
(12) Locking / unlocking lever
(12a) First arm
(12b) Second arm
(12c) Third arm
(13) Axis
(14) Engagement hole
(15) axis
(16) Knob lever
(16a) Projection
(17) Click spring
(18) Key lever
(18a) Arm
(18b) (18c) Projection
(19) axis
(20) Actuator
(21) Motor
(22) Warm
(23) Worm wheel
(24) Actuating piece
(25) axis
(26) Linking arm
(27) Slide member
(28) Spring
(29) Sub lever
(29a) Projection
(30) Linkage
(31) (32) axis
(33) Guide groove
(34) Linking lever
(35) (36) axis
(37) Pin
(38) Long hole
(39) Inside lever
(39a) First arm
(39b) Second arm
(39c) Third arm
(39d) axis
(40) axis
(41) Second sub lever
(41a) Actuating piece
(42) Stopper
(43) Connecting lever
(50) Handle linkage lever
(51) Pin
(52) Locking / unlocking lever
(53) Sub lever
(54) Guide hole
(54a) Bottom
(54b) Inclined edge
(55) Open lever
(56) Pin
(57) Long hole
(58) Guide pin
(59) Long hole
(60) Handle linkage lever
(61) Sub lever
(62) Open lever
(63) Actuating member
(64) Locking / unlocking means
(65) Motor
(65a) Rotating shaft
(66) Screw hole
(67) Screw 杆
(68) Guide roller
(70) Unlocking means
(71) Wire
(72) Motor
(72a) Rotating shaft
(73) Pinion
(74) Rack
(75) Guide roller
(76) Outer tube

Claims (4)

A door lock body attached to the door;
It is attached to the door lock body and rotated in a predetermined opening direction from the stop position, thereby releasing the meshing state between the latch provided in the door lock body and the striker provided in the vehicle body, and An open lever that allows it to be opened,
Operation of an actuator mounted on the door lock body and operated by operating a switch or the like provided at an appropriate position, or operation of a key cylinder device provided on the outer surface of the door, or operation of a locking / unlocking knob provided on the inner surface of the door A locking / unlocking lever adapted to be moved between a locking position and an unlocking position,
A handle linkage lever attached to the door lock body, linked to a handle provided on the outer or inner surface of the door, and moved from the inoperative position to the activated position by operation of the handle;
When the locking / unlocking lever is linked to the handle linking lever and the locking / unlocking lever is in the unlocking position, the handle linking lever is moved from the non-operating position to the operating position, so that the contact portion is opened. Abutting on the lever, the open lever can be rotated in the opening direction, and when the locking / unlocking lever is located at the locking position, even if the handle linkage lever is moved from the inoperative position to the operating position, In an automotive door lock device comprising a sub-lever that prevents the open lever from rotating in the open direction,
When the handle linkage lever is in the operating position, the unlocking / unlocking lever unlocks the movement direction and amount of movement of the abutment portion of the sub-lever when the locking / unlocking lever moves from the locking position to the unlocking position. An automotive door lock device characterized by being substantially equal to a moving direction and a moving amount of the contact portion when the handle linking lever is moved from the non-operating position to the operating position. When the end of the sub lever opposite to the abutment is connected to the handle linking lever with the connecting lever, and the locking / unlocking lever is in the unlocked position, the connecting point between the handle linking lever and the connecting lever When the connection point between the lever and the sub-lever and the contact part of the sub-lever are almost aligned and the locking / unlocking lever is in the locked position, the connection point between the handle linkage lever and the connection lever and the contact of the sub-lever The automobile door lock device according to claim 1, wherein a connecting point between the connecting lever and the sub-lever is deviated laterally from a straight line connecting the portions, and the connecting lever and the sub-lever are bent in a square shape. When a pin is protruded from either the handle linking lever or the sub-lever and the locking / unlocking lever is at the locking position, the handle linking lever is moved from the inoperative position to the operating position and vice versa. When the pin is moved during movement and the locking / unlocking lever is located in the unlocking position, the sub-lever is interlocked by engaging with the pin when the handle linking lever is moved from the inoperative position to the operating position. When the handle linking lever is in the operating position and the locking / unlocking lever moves from the locking position to the unlocking position, the pin slides along the inclined edge, and the sub-lever is moved to the open lever. The automobile door lock device according to claim 1, wherein a guide hole is provided to be pushed toward the vehicle. A door lock body attached to the door;
It is attached to the door lock body and rotated in a predetermined opening direction from the stop position, thereby releasing the meshing state between the latch provided in the door lock body and the striker provided in the vehicle body, and An open lever that allows it to be opened,
A handle linkage lever attached to the door lock body, linked to a handle provided on the outer or inner surface of the door, and moved from the inoperative position to the activated position by operation of the handle;
The base end is connected to the handle linking lever, and the handle linking lever is moved from the non-operating position to the operating position and vice versa, so that the tip moves forward and backward toward the open lever. A sub-lever attached to the lock body,
An actuating member provided at the tip of the sub-lever so as to freely advance and retract;
The unlocking position where the opening lever can be moved in the opening direction at the tip of the operating member by moving the operating member from the non-operating position of the handle linking lever to the operating position by opening the open lever. When the handle linking lever is in the operating position, the operating member can be moved from the locking position to the unlocking position by moving the operating member to the unlocking position. And a door locking device for an automobile, comprising: locking / unlocking means adapted to move the open lever in the opening direction.

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