JP3752703B2 - Door lock operating device - Google Patents

Description

[0001]
[Industrial application fields]
The present invention relates to a door lock operating device.
[0002]
[Prior art]
Conventionally, as this type of door lock operating device, those shown in Japanese Utility Model Laid-Open No. 62-196871 and Japanese Patent Laid-Open No. 3-25179 are known. This includes a latch mechanism which is disposed on the vehicle door side and is engaged with and disengaged from a striker fixed on the vehicle body side, and a door lock device having an open member linked to the latch mechanism to operate the latch mechanism, and a latch of the door lock device An operation means in the vehicle compartment linked to the latch mechanism via the open member to operate the mechanism via the open member, and a child lever for disengaging the linkage path from the operation means in the vehicle compartment to the latch mechanism of the door lock device And a child operating member linked to the child lever member to operate the child lever member.
[0003]
Further, in the former conventional device, a through hole is provided in the base that supports the latch mechanism and the open member of the door lock device, and the child operation member is inserted into the through hole. It was supported rotatably.
[0004]
Furthermore, in the latter conventional device, a through hole is provided in the outer panel of the vehicle door, and a child operation member is inserted into the through hole, thereby supporting the child operation member rotatably on the outer panel. .
[0005]
[Problems to be solved by the invention]
However, in the former and latter conventional devices described above, the child operation member is supported rotatably only by the base or the outer panel, and is supported in a cantilever state. For this reason, when an operation load of a predetermined level or more is applied to the child operation member, the child operation member is likely to be twisted with respect to the base or the external panel, which may cause the child operation member to fall off the base or the external panel.
[0006]
Therefore, this invention makes it the technical subject to prevent dropping of a child operation member.
[0007]
[Means for Solving the Problems]
In order to solve the above technical problem, the technical means taken in the present invention includes a latch mechanism that is disposed on the vehicle door side and is engaged with and disengaged from a striker that is fixed on the vehicle body side, and the latch mechanism for operating the latch mechanism. A door lock device having an open member linked to the door, the latch mechanism of the door lock device and a base on which the open member is supported, and the latch mechanism of the door lock device to be operated via the open member. An operation means in the vehicle compartment linked to the latch mechanism via the open member, a protector cover covering the door lock device, and a door lock device that is rotatably supported by the base from the operation means in the vehicle compartment. A child lever member for engaging and disengaging the linkage path to the latch mechanism, the base and the protector cover Possess a sandwiched by being arranged and said base and child operating member which is linked to the child lever member in order to be rotatably supported by the protector cover actuating said child lever member between the over, the protector cover A through hole is formed in the child lever member, and an operation portion having substantially the same diameter as the through hole is formed in the child lever member, and the operation portion is supported by the through hole .
[0008]
More preferably, the child operation member is disposed in the protector cover, the protector cover covers the base and the child lever member, and an operation portion of the child operation member is exposed to the outside of the protector cover. that, with the good.
[0009]
[Action]
According to the above technical means, the child operation lever is supported in a state of being sandwiched between the base and the protector cover and in a state of being both supported. Therefore, the support of the child operation lever becomes strong, and it is difficult for twisting to occur. Therefore, the child operation member can be prevented from falling off.
[0010]
【Example】
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
[0011]
As shown in FIGS. 1 to 4, the door lock device 2 disposed in the door 1 (shown in FIG. 5) of the rear seat of the vehicle is supported by the latch mechanism 4 incorporated in the housing 3 and the housing 3. The link mechanism 7 is mainly configured.
[0012]
As shown in FIGS. 3 and 4, the housing 3 is made of resin, and is disposed so as to extend in the vertical direction of the door 1 and is a rear surface (the left side in FIG. 5) in the front-rear direction of the door 1. On the (attachment surface to the door 1), an opening recess 31 is formed which is located on the lower side (lower side in FIG. 5) of the door 1 in the vertical direction. The opening recess 31 is closed by a metal plate 33 to define an internal space 31a. Further, the housing 3 is formed with a tunnel portion 36 that defines a passage 36 a communicating with the opening recess 31 so as to protrude to the back surface side.
[0013]
As shown in FIG. 3, the latch mechanism 4 is operated by an indoor / outdoor handle, which will be described later, and is disposed in the opening recess 31 and is accommodated in the internal space 31 a, that is, in the housing 3. . The latch mechanism 4 mainly includes a latch 41 and a pole 42. The latch 41 is rotatably supported by a latch pin 43 that is caulked and fixed to the metal plate 33. The pole 42 is rotatably supported by a pole pin 44 that is caulked and fixed to the metal plate 33. The latch 41 can be engaged with a striker (not shown) fixed to a vehicle body (not shown), and the pole 42 can be engaged with the latch 42. The door lock device 2 is in a latched state in which the door 1 is closed with respect to the vehicle body by engaging the striker entering the passage 36a by the closing operation and engaging the pawl 42 with the latch 41 (FIG. 3). Further, the engagement between the striker and the latch 41 is released by rotating the pole 42 to release the engagement with the latch 41 and retracting the striker from the passage 36a by the opening operation of the door 1. Obtains the unlatched state of the door lock device 2 that is open with respect to the vehicle body. Note that the latch 41 is always urged to rotate in the direction of releasing the engagement with the striker by the spring 45, and the engagement between the latch 41 and the pole 42 resists the urging force by the spring 45 of this latch. It will be a thing.
[0014]
As shown in FIGS. 1 and 2, the link mechanism 7 is disposed on the back side of the housing 3. The link mechanism 7 includes a locking member 71, a double lock member 72, and an open member 73 arranged in the same plane. The locking member 71 engages / disengages the linkage between an indoor / outdoor handle, which will be described later, and the pole 42 of the link mechanism 4, is supported by the lid body 34, and includes a locking lever 711. The locking lever 711 is fixed so as to rotate integrally with an output member 55 of a locking actuator (not shown). This locking lever 711 is a locking knob 75 (shown in FIG. 5) provided in the vehicle compartment of the door 1 via a slide bush described later of the double lock member 72, an idle swing lever described later of the double lock member 72, and an indoor lock linkage lever 74. ).
[0015]
The double lock member 72 engages / disengages the linkage between the locking knob 75 and the locking member 71, is supported by the lid body 34, and includes an idle swing lever 721, a double lock lever 722, and a slide bush 723. . The idling lever 721 is separate from the indoor lock linking lever 74 and is rotatably supported by the lid 34 around the output member 55, and is further rotated by the rotation of the indoor lock linking lever 74. Is engaged with the indoor lock linkage lever 74. The double lock lever 722 is fixed so as to rotate integrally with an output member 63 of a double lock actuator (not shown). The slide bush 723 is slidably supported by the locking lever 711 of the locking member 71, and is detachable from the idle swing lever 721.
[0016]
The locking actuator and the double lock actuator are built in the housing 3, and the lid body 34 that supports the locking lever 711 and the double lock lever 722 defines an internal space in which the both actuators are disposed in the housing 3. It is a component part of the housing 3 for doing.
[0017]
The open member 73 operates the latch mechanism 4, is fixed to the back surface of the housing 3, is supported by an L-shaped bracket 37 which is a component part of the housing 3, and includes a first open lever 731 and a second open lever 73. An open lever 732 and a slide pin 733 are included. The first open lever 731 is rotatably supported by the horizontal wall 37 a of the bracket 37 around the portion of the pole pin 44 that supports the pole 42 of the latch mechanism 4 that protrudes to the back side of the housing 3. The first open lever 731 is coupled to an outside handle 771 (shown in FIG. 5) provided outside the vehicle compartment of the door 1. The second open lever 732 is rotatably supported on the vertical wall 37 b of the bracket 37 by a pin 734, and is attached to the inside handle 772 (shown in FIG. 5) and the first open lever 731 provided in the vehicle interior of the door 1. They are linked via a child lever member 8 to be described later. The slide pin 733 can be engaged with and disengaged from the pole 42 of the latch mechanism 4 and is supported by a linkage link 78, and the linkage link 78 is connected to the locking lever 711 of the locking member 71 via the linkage structure 79. ing.
[0018]
Next, the basic operation of the door lock device 2 will be described.
[0019]
When the inside handle 772 or the outside handle 771 is operated in one direction, the first open lever 731 is moved to the urging force of the spring 735 directly or through a rotation operation against the urging force of the spring 736 of the second open lever 732. It is turned against. Thereby, the slide pin 733 engages with the pole 42, and the pole 42 is rotated by this engagement. As a result, the door lock device 2 enters an unlatched state in which the door 1 is opened with respect to the vehicle body (the door 1 in the closed state is opened). When the lock knob 75 is operated in one direction in the latched state of the door lock device 2, the locking lever 711 is rotated via the indoor lock linkage lever 74, the idle swing lever 721, and the slide bush 723, and this locking lever 711 As a result of the pivoting movement, the linkage link 78 is moved via the linkage structure 79, whereby the slide pin 79 is moved and disengaged from the pole 42 (the door lock device 2 in the unlocked state is locked). State). When the lock knob 75 is operated in the opposite direction to the above and the first locking lever 711 is rotated in the opposite direction, the door lock device 2 in the locked state is unlocked. Further, when the double lock lever 722 is rotated in the locked state of the door lock device 2, the slide bush 723 is moved and disengaged from the idle swing lever 721, and the linkage between the locking knob 75 and the locking lever 711 is broken. (The door lock device 2 in the double lock release state in the locked state is in the double lock state in the locked state). When the double lock lever 732 is rotated in the opposite direction, the door lock device 2 in the double lock state is in the double lock release state.
[0020]
Next, the structure of the main part of the embodiment according to the present invention will be described.
[0021]
As shown in FIGS. 1, 2, 6, and 7, the child lever member 8 includes a first child lever 81 and a second child lever 82. The first child lever 81 is rotatably supported on the vertical wall 37 b of the bracket 37 by a pin 734. One end 81a of the first child lever 81 extends toward the first open lever 731 so that the first open lever 731 and the first open lever 731 engage with each other in the rotational direction against the urging force of the spring 735. Exist. Further, an elongated hole 81 b extending in the radial direction with respect to the pin 734 is formed on the other end side of the first child lever 81. The second child lever 82 includes a long hole 82 a extending in the longitudinal direction, and a pin 734 is inserted into the long hole 82 a, whereby the second child lever 82 is rotatable on the vertical wall 37 b of the bracket 37. The pin 734 is supported so as to be slidable in the radial direction. Further, at the tip of the second child lever 82, the engaging portion 82 b bent in the plate thickness direction so as to go to the first child lever 81 and the engagement bent in the plate thickness direction so as to go to the second open lever 732. A joint portion 82c is formed. The engaging portion 82b is inserted into the elongated hole 81b of the first child lever 81, and the elongated portion 81b of the first child lever 81 is moved by the sliding of the second child lever 82, and the first child in the rotational direction. The lever 81 is engaged. The engaging portion 82 c is engageable with an arm portion 732 a formed on the second open lever 732 in the rotation direction against the urging force of the spring 736 of the second open lever 732, and the second child lever 82 slides. Thus, the arm portion 732a is engaged and disengaged.
[0022]
A child operation lever 83 is rotatably supported on the vertical wall 37b of the bracket 37 by a shaft portion 83a. The child operation lever 83 is formed with an arm portion 83b. The arm portion 83b is formed with an arc-shaped elongated hole 83c that extends in a direction perpendicular to the elongated hole 81b with the pin 734 as a center. Yes. The engaging portion 82b of the second child lever 82 is inserted into the elongated hole 83c and is engaged with the child operation lever 83 by the rotation of the child operation lever 83, and as a result, the second child lever 82 is slid. Further, the second child lever 82 is moved in the elongated hole 83c by the rotation of the second child lever 82.
[0023]
A protector cover 9 is fixed to the rear surface side of the housing 3, and the bracket 37, the link mechanism 7 of the door lock device 2, the child lever member 8 and the child operation lever 83 are covered by the protector cover 9. It should be noted that the connection of the indoor lock linkage lever 74 to the lock knob 75, the connection of the first open lever 731 to the outside handle 771, and the connection of the second open lever 732 to the inside handle 772 are the openings formed in the protector cover 9. Is possible.
[0024]
As shown in FIG. 7, the child operation lever 83 is disposed between the vertical wall 37 b of the bracket 37 and the protector cover 9. Further, the protector cover 9 is formed with a through hole 91, and the operation portion 83d of the child operation lever 83 is a circle having substantially the same diameter as the through hole 91 and is located in the through hole 91 so as to be located in the protector cover. 9 is exposed to the outside and is rotatably supported by the protector cover 9 on the outer periphery thereof. As a result, the child operation lever 83 is supported by the shaft 83a and the operation portion 83d with both ends supported by the vertical wall 37b of the bracket 37 and the protector cover 9.
[0025]
Next, the structure of the main part of the embodiment according to the present invention will be described.
[0026]
When the child operation lever 83 is rotated in one direction while the door lock device 2 is in the unlocked state, the child operation lever 83 is engaged with the second child lever 82 through the elongated hole 83c and the engagement portion 82b. In response to this rotation, the second child lever 82 slides to the right in FIG. As a result, the engagement between the arm portion 732a of the second open lever 732 and the engaging portion 82c of the second child lever 82 is released, and from the linkage between the second open lever 732 and the first open lever 731, that is, from the inside handle 772. The child lock state is established in which the link path to the latch mechanism 4 is cut off. In this state, even if the inside handle 772 is operated to rotate the second open lever 732 against the urging force of the spring 736, the second open lever 732 is swung with respect to the second child lever 82. The first open lever 731 does not rotate against the urging force of the spring 735, and the door lock device 2 does not enter the unlatched state.
[0027]
When the child operation lever 83 is rotated in the opposite direction in the above-described child lock state, the child operation lever 83 is engaged with the second child lever 82 through the elongated hole 83c and the engaging portion 82b. In response to the rotation, the second child lever 82 slides in the left direction in FIG. As a result, the arm portion 732a of the second open lever 732 and the engaging portion 82c of the second child lever 82 can be engaged (the child lock is released). In this state, when the inside handle 772 is operated to rotate the second open lever 732 against the biasing force of the spring 736, the arm portion 732 a of the second open lever 732 is engaged with the engaging portion of the second child lever 82. Engage with 82c. The engagement between the engaging portion 82c and the arm portion 732a causes the second child lever 82 to rotate counterclockwise as shown in FIG. 2, and the second child layer 82 is moved through the elongated hole 81b and the engaging portion 81b. The first child lever 81 is rotated by engaging with the first child lever 81. As a result, one end 81a of the first child lever 81 is engaged with the first open lever 731 and the first open lever 731 is rotated against the urging force of the spring 735. As a result, the door lock device 2 is unlatched. State.
[0028]
【The invention's effect】
According to the present invention, the child operating member that is rotatably supported by the base is inserted into the through hole formed in the protector cover so as to be rotatably supported, and is sandwiched between the base and the protector cover. The child operation lever can be supported while being held between the base and the protector cover. As a result, the child operation member can be supported more firmly than before, and the child operation member can be prevented from falling off.
[Brief description of the drawings]
FIG. 1 is a plan view of a door lock operating device according to the present invention.
FIG. 2 is a side view of the door lock operating device according to the present invention.
FIG. 3 is a plan view showing a latch mechanism of the door lock operating device according to the present invention.
FIG. 4 is a sectional view showing a latch mechanism of the door lock operating device according to the present invention.
FIG. 5 is a plan view of a vehicle door equipped with a door lock operating device according to the present invention.
FIG. 6 is an exploded perspective view of a child lever member of the door lock operating device according to the present invention.
FIG. 7 is a cross-sectional view showing a support structure for a child operating member of the door lock operating device according to the present invention.
[Explanation of symbols]
3 Housing (base)
4 Latch mechanism 8 Child lever member 9 Protector cover 37 Bracket (base)
73 Open member 83 Child operation lever (child operation member)
91 Through-hole 83d Operation part 772 Inside handle (operation means in a vehicle compartment)

Claims (2)

A latch mechanism that is disposed on the vehicle door side and is engaged with and disengaged from a striker that is fixed on the vehicle body side; a door lock device that has an open member that is linked to the latch mechanism to operate the latch mechanism; and A latch mechanism and a base on which the open member is supported; and an operating means in the vehicle compartment linked to the latch mechanism via the open member to operate the latch mechanism of the door lock device via the open member. A protector cover that covers the door lock device; a child lever member that is rotatably supported by the base and that engages / disengages a link path from the operating means in the vehicle compartment to the latch mechanism of the door lock device; and the base Between the base and the protector cover. Possess a child operating member which is linked to the child lever member in order to be rotatably supported on the bars actuating the child lever member, wherein the protector cover is formed with a through hole, the child lever member An operation unit having an approximately same diameter as the through hole is formed, and the operation unit is supported by the through hole . The child operating member, wherein disposed within the protector cover, the protector cover, characterized in that the operating portion of the child operating member covering the base and the child lever member is exposed to the outside of the protector cover The door lock operating device according to claim 1.

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