JPH0745735Y2 - Door lock device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention mainly relates to a door lock device incorporated in a side door of an automobile.

(Prior Art) Generally, in this type of door lock device, for example, as disclosed in Japanese Utility Model Laid-Open No. 1-94569, operation of the outer handle is performed in conjunction with a base plate through an open rod to the outer handle. The open lift lever that unlocks the lock mechanism with and the rocking lever that is positioned below the open lift lever and that swings between the lock position and the unlock position in conjunction with the locking knob swingably support. On the other hand, by interlocking the open lift lever with the locking lever so that the open lift lever cannot be swung at the locking position of the locking lever, and the outer handle cannot be idled when the door is locked. Can be seen.

In the door lock device described above, for example, the wire rod is inserted from the gap between the window glass of the door and the outer panel, and the insertion end of the wire rod is hooked on the locking lever to remove the locking lever from the outside of the vehicle. Since the lock of the door will be unlocked by swinging from the above, as described in the above publication, a protective wall is formed on the open lift lever so that the wire is blocked by the protective wall. Thus, the locking lever cannot be rocked.

(Problems to be solved by the invention) By the way, in the door lock device, as described above, in addition to the type in which the outer handle cannot be idled when the door is locked, as in the invention of the present application, Located below the open lift lever and this open lift lever to unlock the lock mechanism,
A locking lever that swings between a locked position and an unlocked position in conjunction with a locking knob, and an open lever that interlocks with an outer handle via an outer open rod and operates the outer handle to unlock the open lift lever. While supporting, the open lever is interlocked with the locking lever to avoid the open lever from the open lift lever at the locking position of the locking lever, and the outer handle cannot be idled when the door is locked. There is something.

With such a structure, however, in addition to the locking lever, it is necessary to protect the open lift lever from the wire rod. It is not enough to protect the open lift lever from the wire rod, and it is necessary to separately form a protective wall for protecting the open lift lever, and when the swinging open lift lever is provided with the protective wall, the open lift lever is not provided. With the rocking of the protective wall, the protective wall also rocks. Therefore, a rocking space is secured around the protective wall so that the rocking protective wall does not interfere with the surrounding components. Therefore, it is difficult to reduce the size of the device.

Further, for example, a separately formed protector member may be assembled to the base plate and the entire locking device may be covered with the protector member. However, with the above structure, the shape of the protector member becomes large and the cost increases. Needless to say, it causes an increase in vehicle weight, and it is necessary to secure a space for disposing the protector member in the door.

The present invention was developed in view of the above circumstances, and an object of the present invention is to effectively utilize the base plate to which the locking lever and the like are assembled, without increasing the number of parts, and An object of the present invention is to provide a door lock device in which not only the locking lever but also the open lift lever is not rocked by a wire rod or the like from the outside of the vehicle.

(Means for Solving the Problems) The present invention, however, has an open lift lever for unlocking a lock mechanism on a base plate, and a lock position and a lock position located below the open lift lever and interlocking with a locking knob. The locking lever that swings to the release position and the outer handle are interlocked via an outer open rod to support an open lever that unlocks the open lift lever by operating the outer handle, while the open lever is Interlocking with the locking lever, avoiding the open lever from the open lift lever at the locking position of the locking lever,
In the door lock device that allows the outer handle to be freely operated when the door is locked, the base plate is
Intervening between the open lift lever and the locking lever, integrally forming a protective wall that covers the locking lever against an intruding object from the outer side of the door, and this protective wall with respect to the open lift lever. The feature is that they face each other with a small gap.

(Operation) According to the present invention, the protective wall formed on the base plate intervenes between the open lift lever and the locking lever to cover the locking lever against an intruder from the outer side of the door. In addition, since it is opposed to the open lift lever with a small gap, even if the wire rod is inserted between the window glass and the outer panel of the door and the locking lever is pushed at the insertion end, or Even if it tries to hook on the open lift lever, it is blocked by the protective wall.

(Embodiment) An embodiment of a door lock device according to the present invention will be described below with reference to the drawings.

In the figure, (1) is a base plate composed of a plate body (11) having a substantially frame shape in a front view and a bending piece (12) bent from one end side of the plate body (11). The lock mechanism (10) is attached to the back side of ().

On the front side of the plate body (11), an open lift lever (2) for unlocking the lock mechanism (10) is swingably supported via a pivot shaft (21), and the open lift lever (2) is also supported. Below (2), a rocking lever (3) that swings between a locked position and an unlocked position is pivotally supported via a pivot shaft (31) and has a substantially trifurcated shape in a front view.
One end of the lever (3) is connected to a locking link (32) extending from a locking knob (not shown), and the rocking lever (3) is reciprocated to unlock the locking lever (3). (Position shown in FIG. 2)
And the lock position (the position shown in FIG. 3).

A first inner lever (4) is swingably supported above the open lift lever (2) via a pivot (41). A support shaft (42) is provided so as to project from one end of the first inner lever (4), and a free end portion of an outer open rod (5) extending from an outer handle (not shown) is provided on the support shaft (42). While connecting via the long hole (51),
One end of the first open lever (6) is pivotally attached to the support shaft (42) and the locking lever (3) is provided in a long hole (61) formed at the other end of the open lever (6). By loosely inserting the pin (33) and attaching the retaining piece (34) to the free end of the pin (33), the open lever (6)
Is connected to the locking lever (3).

Further, the engaging piece (22) formed on the open lift lever (2) is pushed against the open lever (6) to swing the open lift lever (2) in the unlocking direction (counterclockwise direction in FIG. 2). A first pressing piece (62) for moving is provided.

A spring (43) for biasing the first inner lever (4) in a clockwise direction in FIG. 2 is interposed between the other end of the first inner lever (4) and the plate body (11). I am wearing.

On the other hand, a second inner lever (7a) is supported on the upper portion of the bending piece (12), and a second open lever (7b) is supported on the lower portion thereof via pivot shafts (71) (72) so that they can freely swing. hand,
One end of the second inner lever (7b) and one end of the second open lever (7b) are connected via a connecting link (7c). The free end of an inner open rod (7d) extending from the inside handle is pivotally attached to the other end of the second inner lever (7a), and the open end is attached to the other end of the second open lever (7b). A second pressing piece (73) for pushing the lift lever (2) in the unlocking direction (counterclockwise in FIG. 2) is provided in a protruding manner.

In the figure, (8) is a key cylinder link extending from the key cylinder, (81) is a key cylinder lever linked to the key cylinder link (8), and is connected to the pivot shaft (31) of the locking lever (3). The key cylinder lever (81) is rotatably supported, and the rocking lever (3) is rocked to a lock position or a lock release position by rocking the key cylinder lever (81).

Then, FIG. 2 shows a state where the locking lever (3) is switched to the unlocked position, and when the outer handle arranged outside the door is operated from this state, the outer open rod (5) is moved. ) Moves downward in FIG. 2 to swing the first inner lever (4) counterclockwise in FIG. 2 against the spring (43), and the first open lever (6) moves downward. Go to
The first pressing portion (62) of the lever (6) pushes the engaging piece (22) of the open lift lever (2) downward, and the open lift lever (2) swings accordingly. Then, the lock mechanism (10) is unlocked.

On the other hand, when the locking lever (3) is rocked to the lock position as shown in FIG. 3 by the key operation of the locking knob (not shown) or the key cylinder, the first open lever (6) is moved to the first position. By swinging counterclockwise from the position shown in FIG. 2 about the support shaft (42) as a fulcrum, the first pressing portion (62) moves from the engaging piece (22) of the open lift lever (2). It goes away to the side of the bent piece (12).

Therefore, even if the outer handle is operated from this state to move the first open lever (2) downward, the first pressing portion (62) of the lever (2) causes the engagement piece (22) to move. It does not push, and therefore the locking mechanism (10) is not unlocked, and the outer handle only floats.

In the door lock device having the above structure, the present invention interposes the base plate (1) between the open lift lever (2) and the locking lever (3) to lock the locking lever (3) in the door. The protective wall (9) for covering the intruding object from the outer side is integrally formed, and the protective wall (9) is opposed to the open lift lever (2) with a small gap.

In the embodiment shown in the drawings, a first wall portion (91) covering the front portion of the locking plate (3) and an upper end of the first wall portion (91) are bent in the plate body (11) direction, Intervene between the upper edge of the locking plate (3) and the lower edge of the open lift lever (2), and make a slight gap with respect to the lower edge of the open lift lever (2). A protective wall (9) having an L-shaped cross section, which is formed of a second wall portion (92) facing each other with a gap to the extent that it is difficult for the wire rod to be inserted.
Is integrally formed on the lower portion of the bent piece (12) of the base plate (1).

Then, for example, the wire rod (L) is inserted from the gap between the window glass of the door and the outer panel as shown by the two-dot chain line in FIGS. 1 and 3, and the insertion end of the wire rod (L) is inserted into the open lift. Even when trying to hook on the lower edge of the lever (2), the second wall portion (92) of the protective wall (9) closely opposes the lower edge of the open lift lever (2). It is impossible to lock the insertion end of the wire (L) to the lower edge of the lever (2), and even if the insertion end of the wire (L) is to be hooked on the locking lever (3). Since the locking lever (3) is covered with the first and second wall portions (91) (92) of the protection wall (9), the insertion end of the wire (L) is fixed to the locking lever (3). ) Is not possible, so the door lock cannot be Than it is there is no possibility to be released will.

In the above embodiments, the protection wall (9) is provided with the first wall portion (91) that covers the front portion of the locking plate (3), the upper edge of the locking plate (3), and the open lift lever (2). ) And a second wall portion (92) intervening between the lower edge of the locking plate (3) and the lower edge of the open lift lever (2). It is formed from a second wall portion (92) which intervenes between the wire and the edge, and the front end edge of the second wall portion (92) is further extended forward so that the wire (L) is at the first portion. 2 walls (9
It may be possible to prevent the locking lever (3) located below 2) from entering.

(Effect of device) As described above, according to the present invention, the base plate is provided with an open lift lever for unlocking the lock mechanism and a lock position and an unlock position which are located below the open lift lever and interlocked with the locking knob. While supporting the rocking lever that swings to the outer handle and the open lever that interlocks with the outer handle via the outer open rod to unlock the open lift lever by operating the outer handle, the open lever is interlocked with the locking lever. In the door lock device that allows the open lever to avoid the open lift lever at the locking position of the locking lever and allows the outer handle to be idle when the door is locked, the base plate is used to Attach the open lift lever to the base plate. Between the lock lever and the locking lever to integrally form a protection wall for covering the locking lever against an intruder from the outer side of the door, and the protection wall with a small gap with respect to the open lift lever. By facing each other, not only the number of parts but also the assembly labor and vehicle weight increase, and the size of the device are not increased, and moreover, the wire rod is inserted from between the windshield and the outer panel of the door to insert the wire rod. Even if an attempt is made to push the locking lever at the end or to hook it on the lower edge of the open lift lever, it is possible to reliably prevent the lock mechanism from being unlocked by blocking it with the protective wall. is there.

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing an embodiment of a door lock device according to the present invention, FIGS. 2 and 3 are front views thereof, and FIG. 2 shows a state in which a locking lever is switched to an unlocked position. FIG. 3 shows a state in which the locking lever is switched to the lock position. Further, FIG. 4 is a schematic perspective view of a main part of the base plate. (1) …… Base plate (10) …… Lock mechanism (2) …… Open lift lever (3) …… Locking lever (5) …… Outer open rod (6) …… 1st open lever (open lever) ( 9) …… Protection wall

Claims (1)

[Scope of utility model registration request] 1. An open lift lever for unlocking a lock mechanism on a base plate, a locking lever located below the open lift lever and swinging between a lock position and an unlock position in conjunction with a locking knob; While supporting an open lever that interlocks with an outer handle via an outer open rod to unlock the open lift lever by operating the outer handle, while interlocking the open lever with the locking lever,
In the door lock device, which allows the open lever to avoid the open lift lever at the locking position of the locking lever so that the outer handle can be idled when the door is locked, in the base plate, the open lift lever and the locking lever are provided. Intervenes between
A door lock in which a protective wall for covering the locking lever with respect to an intruding object from the outer side of the door is integrally formed, and the protective wall is opposed to the open lift lever with a small gap. apparatus.