JP3728790B2 - Door lock system - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a door lock system including at least a latch mechanism and a closer mechanism.
[0002]
[Prior art]
Conventionally, a door lock system of this type is disclosed in Japanese Patent Application Laid-Open No. 6-50045. This includes a latch mechanism that is provided on the door and engages with a striker attached to the body to hold the door in an incompletely closed state and a fully closed state with respect to the body. A link mechanism for operating a latch mechanism to change from a completely closed state or an incompletely closed state to an open state; and a link mechanism associated with the latch mechanism for operating the latch mechanism for changing a door from a partially closed state to a completely closed state with respect to a body. And a closer mechanism.
[0003]
The lock system includes an L-shaped bracket having a horizontal wall and a vertical wall, the latch mechanism is attached to the back surface of the horizontal wall of the bracket, and the link mechanism is attached to the surface of the horizontal wall of the bracket. Laminated and supported, the closer mechanism was laminated and supported on the surface of the vertical wall of the bracket.
[0004]
[Problems to be solved by the invention]
However, in the door lock system described above, the closer mechanism is supported by being stacked on the bracket on which the latch mechanism and the link mechanism are supported. Therefore, the door lock system is unitized by all the door lock systems and is independent only by the closer mechanism. Not unitized. For this reason, it is difficult to share the lock mechanism including the latch mechanism and the link mechanism regardless of the presence or absence of the closer mechanism. As a result, the number of parts may be significantly increased, and the number of assembly steps may be increased. there were.
[0005]
Therefore, it is a technical object of the present invention to make the latch mechanism and the link mechanism common regardless of the presence or absence of the closer mechanism.
[0006]
[Means for Solving the Problems]
The technical means taken in the present invention to solve the above technical problem include a first bracket that supports the latch mechanism and the link mechanism, and a first bracket that can be attached to the first bracket and supports the closer mechanism. And the closer mechanism is stacked and supported on a surface of the second bracket facing the first bracket, and the link mechanism is rotatably supported by the first bracket. And having an open lever linked to the closer mechanism .
[0007]
According to this technical measure, the closer mechanism can be unitized independently of the latch mechanism and the link mechanism by the second bracket. Therefore, the latch mechanism and the link mechanism can be shared regardless of the presence or absence of the closer mechanism.
[0008]
More preferably, the first bracket includes a first fixing portion on which the latch mechanism is supported on the back surface, and a second fixing on which the second bracket is attached substantially perpendicularly to the first fixing portion. It is preferable that the link mechanism is laminated and supported on the surfaces of the first fixed portion and the second fixed portion.
[0010]
More preferably, it has a locking actuator supported by the first bracket and linked to the link mechanism to switch the link mechanism between a locked state and an unlocked state.
[0011]
More preferably, it is good to have a drive mechanism supported by the second bracket and linked to the closer mechanism to drive the closer mechanism.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
As shown in FIG. 1, an opening 1a is formed in a body 1 of a vehicle, and the opening 1a is opened and closed by a door 2 of the vehicle rotatably supported by the body 1. I have. The door 2 is provided with a door lock system 3, and the body 1 is provided with a striker 4 (shown in FIG. 5). The door 1 is connected to a latch mechanism 7 described later of the lock system 3. The door 2 is held in an openable state, an incompletely closed state (half latch state), and a fully closed state (full latch state) with respect to the body 1 by engaging and disengaging with a striker 4 provided on the body 1. .
[0014]
As shown in FIG. 2, the door lock system 3 is supported by a latch mechanism 7 supported by a first bracket 5 described later, a link mechanism 8 supported by the first bracket 5, and a second bracket 6 described later. The closer mechanism 9, the drive mechanism 10 supported by the second bracket 6, and the locking actuator 11 supported by the first bracket are mainly configured.
[0015]
As shown in FIGS. 2 to 4, the bracket 5 has an L-shape including a horizontal wall 51 and a vertical wall 52.
[0016]
As shown in FIGS. 2 and 6, the bracket 6 has a flat plate shape. The bracket 6 is fixed to the back surface 52 b of the vertical wall 52 of the bracket 5 by caulking via the bracket 13.
[0017]
As shown in FIGS. 3 and 5, the latch mechanism 7 is supported on the back surface 51a of the horizontal wall 51 of the bracket 5, and is rotatably supported in the housing 71 and the housing 71 fixed to the back surface 51a. It has a pawl 72 housed therein and a latch 73 rotatably housed in a housing 71 like the pawl 72.
[0018]
The pole 72 is rotatably supported at the inner end of the housing 71 of a pole pin 74 that is disposed through the horizontal wall 51 of the housing 71 and the bracket 5 and is fixed to the housing 71. The latch 73 is fixed to the inner end of the housing 71 of a latch pin 75 which is disposed through the housing 71 and the horizontal wall 51 of the bracket 51 and is rotatably supported by the housing 71 so as to rotate integrally with the latch pin 74. I have. Further, the latch 73 is formed with an engaging groove 73a into which the striker 4 is inserted, and a first claw portion 73b and a second claw portion 73c that can be engaged with the pole 72. With the latch mechanism 7 configured as described above, when the striker 4 is inserted into the engagement groove 73a of the latch 73 and the pawl 72 engages with the first claw 73b, the door 2 When the striker 4 is incompletely closed, the striker 4 is inserted into the engagement groove 73 a of the latch 73, and the pawl 72 is engaged with the second claw portion 73 c of the latch 73, the door 2 is completely with respect to the body 1. It is closed. The openable state of the door 2 with respect to the body 1 is obtained by releasing the engagement between the first and second claw portions 73 b and 73 c of the latch 73 and the pole 72.
[0019]
The link mechanism 8 includes a lift lever 81, a first open lever 821, a second open lever 822, and a locking lever 83.
[0020]
The lift lever 81 is stacked on the surface 51 b of the horizontal wall 51 of the bracket 5, is rotatably supported by the end of the pole pin 74 outside the housing 71, and penetrates the housing 71 and the horizontal wall of the bracket 5. It is connected to the pole 72 via a pin 84 so as to rotate integrally therewith. The first open lever 821 is disposed on the surface 51 b of the horizontal wall 51 of the bracket 5 so as to be laminated together with the lift lever 51, and is rotatably supported on the end of the pole pin 74 outside the housing 71. The first open lever 821 is rotatably supported by a pin 86 on an outside handle (not shown) outside the vehicle compartment provided on the door 2 via an open rod 85 and a vertical wall 51 of the bracket 5. An open lever 822 and two inside levers 871 and 872 are connected to an inside handle (not shown) in the vehicle compartment provided in the door 2 respectively. The first open lever 821 supports a slide bush 89 that is engaged with and disengaged from the lift lever 81 by the rotation of the first open lever 821 so as to be slidable in the radial direction. With such a structure, when the first open lever 821 is rotated by operating the inside handle or the outside handle in the fully closed state or the incompletely closed state of the door 2 with respect to the body 1, the slide bush 89 and the lift lever 51 are operated. And the lift lever 51 is rotated. As a result, the pole 72 is rotated via the pin 84, and as a result, the door 2 can be opened with respect to the body 1.
[0021]
The locking lever 83 is disposed on the surface 52 a of the vertical wall 52 of the bracket 5 and is rotatably supported by the vertical wall 52 by a pin 88. The locking lever 83 is connected to a locking knob (not shown) in the vehicle compartment provided on the door 2 via a locking rod (not shown). A sliding bush 89 is connected to the locking lever 83 via a locking link 831 slidably guided by the pin 832 on the vertical wall 52 of the bracket 5. It slides in the radial direction with respect to 821, and comes off the locus of engagement and disengagement with the lift lever 81. With such a configuration, when the locking lever 83 is operated to rotate the locking lever 83, the slide bush 89 is slid in the radial direction with respect to the first open lever 821. As a result, even if the link mechanism 5 operates the inside lever or the outside lever, the door 2 does not enter the openable state with respect to the body 1, and if the inside lever or the outside lever is operated, the door 2 moves with respect to the body 1. The state is switched to the unlocked state in which the state can be opened.
[0022]
As shown in FIG. 6, the closer mechanism 9 mainly includes a latch lever 91, an active lever 92, an active latch 93, and an active pole 94. As shown in FIGS. 2 and 3, the latch lever 91 is fixed to an end of the latch pin 75 outside the housing 71 so as to rotate integrally. The active lever 92 is stacked on the surface 6 a of the bracket 6 and is slidably supported by the bracket 6 by pins 95 and 96. The active latch 93 is rotatably supported on the active lever 92 by a pin 95. The active latch 93 has an engaging portion 93a that can be engaged with a side surface 91a (shown in FIG. 3) of the latch lever 91. Around the pin 95, a spring 97 having one end locked to the active lever 92 and the other end locked to the active latch 93 is disposed. The spring 97 normally maintains a natural state and is bent by the rotation of the active latch 93 to generate an urging force so that the active lever 93 is in the initial position. The active pole 94 is rotatably supported on the active lever 92 by a pin 98. The active pole 94 has an engaging portion 94a that engages with the tip 93b of the active latch 93 and the arm 822a of the second open lever 822 (shown in FIGS. 2 and 4) when the active latch 93 is in the initial position. A contact portion 94b that is in contact is formed. The active pole 94 is arranged around the pin 98, and is constantly urged to rotate clockwise in FIG. 6 by a spring 99 having one end locked to the active lever 92 and the other end locked to the active pole 94. ing. The biasing force of the spring 99 is set to be larger than that of the spring 97, and the engagement between the tip 93b of the active latch 93 and the engaging portion 94a of the active pole 94 is maintained by the rotational biasing of the active pole 94 by the spring 99. When the active latch 93 is in the initial position, the rotation of the active latch 93 is restricted by the engagement between the tip 93 b of the active latch 93 and the engaging portion 94 of the active pole 94. The rotation bias of the active pole 94 by the spring 99 is regulated by a stopper 941 (FIGS. 2 and 4) at a position where the tip 93b of the active latch 93 and the engaging portion 94a of the active pole 94 engage. I have.
[0023]
As shown in FIG. 2, the drive mechanism 10 is supported on the back surface 6b of the bracket 6 and mainly includes a housing 101, a motor 102, and an output lever 103 fixed to the back surface 6b.
[0024]
The motor 102 is fixed to the bracket 6 via the housing 101 and is connected to the output lever 103 via a plurality of reduction gears (not shown) housed in the housing 101. The output lever 103 includes a pin 103a that is inserted into a long hole 92a formed in the active lever 92. The pin 103a slides the active lever 92 by contacting the side wall of the long hole 92a. The bracket 6 is formed with an opening hole 61 in order to enable a connection relationship between the output lever 103 and the active lever 92 via the long hole 92a and the pin 103a.
[0025]
In such a configuration, when the motor 102 of the drive mechanism 10 is driven in one direction while the door 2 is in an incompletely closed state with respect to the body 1, the output lever 103 rotates and the pin 103a contacts the side wall of the elongated hole 92a. The contact causes the active lever 92 to slide. Thereby, since the rotation of the active latch 93 is restricted by the engagement between the tip 93 b of the active latch 93 and the engaging portion 94 a of the active pole 94, the engaging portion 93 a of the active latch 93 serves as the side surface of the latch lever 91. The latch lever 91 is rotated by engaging with the latch lever 91a. As a result, the latch 73 rotates via the latch pin 75, and the fully closed state of the door 2 with respect to the body 1 is obtained. When the active pole 94 is rotated against the urging force of the spring 99 during the sliding operation of the active lever 92, the engagement between the tip 93b of the active latch 93 and the engaging portion 94a of the active pole 94 is released. The active latch 93 becomes rotatable. Therefore, even though the engaging portion 93a of the active latch 93 engages with the side surface 91a of the latch lever 91, the engagement causes the active latch 93 to rotate against the urging force of the spring 97. As a result, the latch The rotation of the lever 91 is stopped, and the door 2 is stopped from being completely closed with respect to the body 1. The rotation of the active pole 94 against the urging force of the spring 99 is caused by the rotation of the second open lever 822 by the operation of the inside handle or the outside handle, and the contact portion between the arm 822a of the second open lever 822 and the active pole 94. This is performed by abutment with 94b.
[0026]
As shown in FIG. 2, the locking actuator 11 is supported by the surface 6 a of the bracket 6 via the bracket 12, and includes a plurality of operations including a motor (not shown) housed in the housing 111. It consists of a member (not shown). The output lever 112 of the locking actuator 11 is connected to the locking lever via a locking rod 113, and the locking lever is rotated by electrical operation, and the link mechanism is locked in the same manner as the operation using the locking knob described above. And switch to the unlocked state.
[0027]
In the above embodiment, the latch mechanism 7 and the link mechanism 8 are supported by the bracket 5, the closer mechanism 9 and the drive mechanism 10 are supported by the bracket 6, and the bracket 6 is fixed to the bracket 5 to form the door lock system 3. . Therefore, the closer mechanism 9 and the drive mechanism 10 are unitized by the bracket 6 independently of the latch mechanism 7 and the link mechanism 8.
[0028]
【The invention's effect】
According to the present invention, since the closer mechanism is supported by the second bracket attachable to the first bracket supporting the latch mechanism and the link mechanism, the closer mechanism is independent of the latch mechanism and the link mechanism by the second bracket. Can be unitized. Therefore, the latch mechanism and the link mechanism can be made common regardless of the presence or absence of the closer mechanism, whereby the number of parts can be reduced and the assembly can be simplified.
[Brief description of the drawings]
FIG. 1 is a perspective view of a vehicle equipped with a door lock system according to the present invention.
FIG. 2 is a perspective view showing a latch mechanism, a link mechanism, and a locking actuator of the door lock system according to the present invention.
FIG. 3 is an exploded perspective view of a link mechanism of the door lock system according to the present invention.
FIG. 4 is an exploded perspective view of a link mechanism of the door lock system according to the present invention.
FIG. 5 is a plan view of a latch mechanism according to the present invention according to the present invention.
FIG. 6 is an exploded perspective view of the closer mechanism of the door lock system according to the present invention.
[Explanation of symbols]
1 body 2 door 3 door lock system 4 striker 5 first bracket 6 second bracket
6a Surface 7 Latch mechanism 8 Link mechanism 9 Closer mechanism 11 Drive mechanism 12 Locking actuator 51 Horizontal wall (first fixed portion)
52 vertical wall (second fixed part)
52a Surface 822 Second open lever ( open lever)

Claims (4)

A latch mechanism that is provided on the door and engages with a striker provided on the body to hold the door in an incompletely closed state and a fully closed state with respect to the body; A link mechanism for operating the latch mechanism to change from a fully closed state or an incompletely closed state to an open state, and a door linked to the latch mechanism from an incompletely closed state to a fully closed state with respect to the body. In a door lock system having a closer mechanism for actuating the latch mechanism, a first bracket supporting the latch mechanism and the link mechanism, and being attachable to the first bracket and supporting the closer mechanism to the second and a bracket, further the closer mechanism, the surface facing the said first bracket of said second bracket Laminated support, the link mechanism, the door lock system configured with a first open lever that is rotatably supported by linked to the closer mechanism to the bracket.   The first bracket has a first fixed portion on the back surface on which the latch mechanism is supported, and a second fixed portion arranged substantially perpendicular to the first fixed portion and to which the second bracket is attached. The door lock system according to claim 1, wherein the link mechanism is stacked and supported on surfaces of the first fixed portion and the second fixed portion.   2. The door lock system according to claim 1, further comprising a locking actuator supported by the first bracket and linked to the link mechanism to switch the link mechanism between a locked state and an unlocked state. 3.   The door lock system according to claim 1, further comprising a driving mechanism supported by the second bracket and linked to the closer mechanism to drive the closer mechanism.

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