JP3309267B2 - Support structure for multiple rotating levers - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a support structure for a plurality of pivot levers which are pivotally connected to a base member in a specific relationship, for example, as in a door lock device for a motor vehicle.

[0002]

BACKGROUND OF THE INVENTION The apparatus of automobile door lock, the base <br/> member, for example, the first lever such as the inside lever and the locking-unlocking lever with a first axis and pivotally, and the pivot of the first lever In a portion slightly further away, there is a lever in which a second lever such as a connecting lever or a sub-lever is pivotally connected with a second shaft.

As means for simplifying the structure of each pivotal connection portion of the lever and facilitating the assembling work, for example, as disclosed in Japanese Utility Model Laid-Open No. 55-86109, An intermediate portion of a shaft portion provided with a head at one end is provided with a flange portion having a play preventing portion having elasticity, and at the other end of the shaft portion, an insertion guide and a claw for retaining are provided. Between the flange and the claw, and between the flange and the claw, there is a connecting clip made of resin in which a long hole or a shaft hole of each lever is fitted.

[0004]

However, the resin clip disclosed in the above-mentioned publication merely connects two levers coaxially to each other, as described above. When there are two places, it is necessary to perform assembling work separately using two independent resin clips, which causes a problem that the assembling work is complicated and the number of parts increases. I do.

[0005] The present invention has been made in view of the above problems the prior art has, with may reduce the number of parts, assembled to easily and quickly perform a work, further can on the strength improvement It is an object of the present invention to provide a support structure for a plurality of rotating levers.

[0006]

According to the present invention, the above-mentioned problem is solved as follows. (1) Supporting a plurality of rotating levers having a first lever pivotally attached to a base member with a first axis, and a second lever pivotally attached to a portion of the first lever away from the first axis with a second axis. In the structure, a member fitted to the first shaft or the first shaft and a member fitted to the second shaft or the second shaft are integrally provided at both ends of a connecting member parallel to the first lever. , The first lever is connected to the base on the first shaft.
Between the member and the connecting member, and the second lever,
Between the first lever and the connecting member on the second shaft;
The first shaft or the first shaft
A member fitted to the first shaft is engaged with the base member to
Means are provided for retaining the base member from the base member .

(2) In the above item (1) , the intermediate portion of the connecting member and the corresponding key portion of the first lever are provided with a retaining means comprising a concave portion and a convex portion which engage with each other.

(3) In the above item (1) or (2) , the first lever and the connecting member are attached to the base member such that the first lever and the connecting member are partially separated from the base member. To be rotatable.

(4) In any one of the above items (1) to (3) , a cylindrical first shaft is formed integrally with the base member,
In addition, a shaft hole formed in the first lever is pivotally provided on the first shaft, and a protruding shaft portion integral with the connecting member is fitted into the cylindrical first shaft.

(5) In any one of the above items (1) to (4) , a second shaft is protruded from the first lever, and a tip of the second shaft is
The second shaft fitting portion formed on the connecting member is fitted, and
The second lever pivotally attached to the second shaft is rotatably sandwiched between the periphery of the second shaft fitting portion and the first lever.

[0011]

A first shaft for pivotally connecting the first lever to the base member or a first shaft fitting portion for fitting the same, and a second shaft for pivotally connecting the second lever to the first lever or a fitting for the second shaft. Since the second shaft fitting portion is substantially connected by the connecting member and they are integrated, the number of parts can be reduced, and the assembling work is simplified.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a first embodiment of the present invention will be described with reference to FIGS.
This will be described with reference to FIG. In FIG. 1, (1) is a door lock device fixed in the door of an automobile, which is a meshing mechanism main body (1a) having a built-in meshing mechanism, and a base member (2) fixed to the meshing mechanism main body (1a). The cover plate (1c) is fixed outside the base member (2). The engagement mechanism includes a latch (1b) that engages with a striker (not shown) fixed to the vehicle body side to hold the door in a closed state, a locking plate (not shown) detachable from the latch (1b), and the like. Have been.

As shown in FIG. 2, on the base member (2) side between the cover plate (1c) and the base member (2), as shown in FIG. Inside lever (first lever) connected to (not shown)
(3) a locking / unlocking lever (4) connected to a locking / unlocking lock knob arranged on the indoor side of the door, a child lever (5) operable with the door opened, and an inside Connected to lever (3), child lever below
(5) A connecting lever (second lever) (6) supported so as to be able to move up and down, a bell crank (7) connected to the locking / unlocking lever (4), and a slidable bell bell (7). A sub-lever (8) connected to the base member (2) and vertically movably supported is disposed.

As shown in FIGS. 2 and 4, the inside lever (3), which is the first lever, has a first arm portion facing upward.
(3a) and a second arm (3b) facing sideways, and a rod (10) for linking to the inside handle is connected to a tip of the first arm (3a).

The inside lever (3) is connected to the first arm (3).
A shaft hole (3d) drilled in an intermediate portion connecting the first arm (a) and the second arm portion (3b) is fitted to a cylindrical first shaft (2a) formed integrally with the base member (2). By doing so, it is pivotally attached to the base member (2).

A connecting member (9) is disposed substantially in parallel with the second arm portion (3b) of the inside lever (3). A portion (9a) and a second shaft fitting portion (9b) also having a cylindrical shape with a bottom are integrally formed at the other end.

At the center of the bottom wall of the first shaft fitting portion (9a), a protruding shaft portion (9d) having a pair of outwardly-facing L-shaped claws (retaining means) (9c) provided at the front end portion thereof. ) Are continuously provided, and this protruding shaft portion (9d) is fitted into a shaft hole (2b) formed in the center of the first shaft (2a), and the first shaft (2a) is fitted with the first shaft. Mating part (9a)
The inside lever (3) pivotally attached to the first shaft (2a) is fixed to the base member (c) by locking the c) to the enlarged diameter step (2c) formed below the shaft hole (2b). 2) and clamped rotatably by the opening circumferential edge of the first shaft fitting portion of the coupling member (9) (9a), and are retained coupling member (9) from the base member (2).

A second shaft (3c) protrudes from the tip of the second arm (3b) of the inside lever (3).
To the tip portion of the bored and fitted with axial hole (6a) in the upper end portion of the connecting lever (6) is a second lever, further second axis (3c), the second shaft connection member (9) By fitting the fitting portion (9b), the connecting lever (6) can be rotated by the inside lever (3) and the opening side peripheral edge of the second shaft fitting portion (9b) of the connecting member (9). to in clamping state, it is pivotally secured to the inside lever (3).

The second arm (3b) of the inside lever (3)
Between the second shaft (3c) and the shaft hole (3d).
Part (3e) is drilled, and the coupling part (3e) is
The first shaft fitting portion (9a) and the second shaft fitting portion (9b) of the material (9)
Pin-shaped projection protruding from the middle of the arm (9e)
By fitting the part (9g),Connecting member (measuring means)
(9) prevents the inside lever (3) from coming off.
You.

As shown in FIG. 5, an intermediate portion between the free end surface of the first shaft fitting portion (9a) of the connecting member (9) and the arm portion (9e) between the fitting portions (9a) and (9b). The inner lever (3) is brought into sliding contact with the cover plate (1c) by sliding the tip surface of the protrusion (9h) extending in a substantially crescent shape in the opposite direction to the protrusion (9g) from the cover plate (1c). connecting members (9) and the base member (2) and narrowing seen sandwiched between the cover plate (1c), two fitting portions (9a) (9b) is the first axis (2a) and a second axis (3c) And the inside lever (3), connecting lever (6)
And the rattling of the connecting member (9) and the like is prevented. The protrusion (9h) is preferably provided as far as possible from the first shaft fitting portion (9a) until it approaches the edge of the cover plate (1c). The protrusion (9h) is almost crescent-shaped
This is for obtaining a larger sliding contact surface in a limited space. By providing such a protruding portion (9h) and the like integrally with the connecting member (9), each member as described above can be mutually connected without increasing the number of parts in a limited space inside the door lock. Rattle can be prevented.

With the structure as in the first embodiment, the pivoting operation of the inside lever (3) to the base member (2) and the connecting operation of the connecting lever (6) to the inside lever (3) are simple. With one connecting member (9), it can be easily performed almost simultaneously.

As shown in FIGS. 1 and 2, the locking / unlocking lever
(4) is a first arm part (4a) pivotally connected to a base member (2) with a shaft (11) and connected to a rod (12) for linking with a lock knob, and a projection of a bell crank (7). A second arm section (4b) connected to the section (7a), and a third arm section (4c) locked with an overcenter spring (13). Crank (7)
The lock position shown in FIG. 2 in which the opening operation of the inside handle is invalidated by interlocking the sub lever (8) and the lock position, and the clockwise direction in FIG. The inside handle can be pivoted by a predetermined amount and moved to an unlock position where the opening operation of the inside handle is enabled.

When the locking / unlocking lever (4) and the bell crank (7) are at the unlocking positions, the sub-lever (8) is moved upward by the opening operation of the inside lever (3), whereby the engagement mechanism is moved. An engaging portion (8a) that can abut on the open lever (14) connected to the locking plate and a bent portion (8b) that can be engaged with the connecting lever (6).

The child lever (5) is pivotally connected by a shaft (18) , is formed of a synthetic resin material having elasticity, and is connected substantially at the center of an arm (5b) having an operating portion (5a) at the tip. An engaging portion (6b) formed at the lower end of the connecting lever (6) by holding the lower portion of the lever (6) vertically movable.
The child lever can be engaged with the bent portion (8b) of the sub-lever (8). The child unlock position shown in FIG. 2, and the connecting lever is rotated counterclockwise in FIG. 2 by a predetermined amount from the child unlock position. (6) Engaging part (6b) and sub lever (8)
Can be moved to a child lock position where engagement with the bent portion (8b) is disabled.

The operation part (5a) of the child lever (5)
The cover plate (1c) was slidably fitted along the arc-shaped notch hole (1d), protruded from the inner panel of the door to the outside through the notch hole (1d), and the door was opened. Can be operated only when.

When the unlocking lever (4) is in the unlocking position,
The connecting lever (6) moves upward due to the upward movement of the connecting lever (6) following the opening rotation of the inside lever (3).
The engagement portion of (6b) engages with the bent portion (8b) of the sub-lever (8), by moving the sub-lever (8) upwards, is deactivated the opening lever (14), the latch (1b) The door can be opened by releasing the engagement with the striker.

When the inside lever (3) rotates, the connecting member (9) has a second shaft fitting portion (9b) and a convex portion (9g) formed by the second shaft (3c) of the inside lever (3). The protrusion (9d) of the first shaft fitting portion (9a) engages with the engagement hole (3e), and is integrally formed with the inside lever (3) inside the shaft hole (2b) of the base member (2). , The contact portion between the inside lever (3) and the connecting member (9) does not wear, and the inside lever (3) does not wear.
(3) The smooth rotation can be obtained for a long period of time. Also, since the protrusion (9h) for preventing looseness of the connecting member (9) is in sliding contact with the cover plate (1c) to suppress the deformation of the arm (9e) of the connecting member (9), the inside lever ( 3) and the engagement between the connecting portion of the connecting lever (6) and the second shaft fitting portion (9b) of the connecting member (9) can be ensured.

FIGS. 6 to 8 show a second embodiment of the present invention.

In this embodiment, as shown in each figure, the first
Shaft holes (15a) (16a) are formed in corresponding portions of the inside lever (15) as a lever and the connecting lever (16) as a second lever, and the shaft holes (15a) and (16a) are formed. To
A second protruding portion provided at the tip of the arm portion (17e) of the connecting member (17);
By connecting the shaft (17f), the connecting lever
(16) is pivotally connected to the inside lever (15).

The other constructions are the same as those of the first embodiment, and they are denoted by the same reference numerals as those of the first embodiment, and their detailed description is omitted.

The symbols (17a) to (17e), (17g), (17h)
Indicates the same as those indicated by the reference numerals (9a) to (9e), (9g) and (9h) in the first embodiment.

With the structure as in the second embodiment, the same operation and effect as those of the first embodiment can be obtained.

In the first and second embodiments, the cylindrical first shaft (2a) provided on the base member (2) is omitted, and instead of the connecting members (9) and (17), Shaft (9d) (17
d) as the first shaft, there is a shaft hole of the inside lever (3)
(3d) (slightly smaller in diameter than in the embodiment) may be fitted, and the inside lever (3) may be pivotally attached to the base member (2).

It should be noted that the present invention provides a door lock device as long as the first lever is pivotally attached to the base member and the second lever is pivotally attached to a portion of the first lever remote from the pivoted portion. without being limited to, it may be applied to those throat like.

[0035]

According to the present invention, the following effects can be obtained. (a) The single lever allows the first lever to be pivotally connected to the base member and the second lever to be pivotally connected to the first lever, thereby reducing the number of assembly steps.
Can be Also, connect the connecting member to the base member.
Only by attaching the first lever to the base member.
The binding member does not come off from the base member and tightens bolts
Work becomes unnecessary, and the number of parts can be reduced.
(All claims).

(B) With the configuration as described in the second aspect , the connection strength between the connection member and the first lever is increased, and it is possible to reinforce each other, and they are not separated.

(C) According to the structure of the third aspect , the first lever and the connecting member are sandwiched between the base member and the cover plate and are less likely to come off from each other. The strength of is improved.

(D) According to the configuration as described in claim 4 , the first shaft and the protruding shaft portion of the connecting member have an inner / outer double structure, and the strength of the pivot portion of the first lever is improved.

(E) With the configuration as described in claim 5 , the strength of the pivotally connected portion of the second lever is improved.

[Brief description of the drawings]

FIG. 1 is a front view of a door lock device to which a first embodiment of the present invention is applied.

FIG. 2 is a front view when a cover plate is removed.

FIG. 3 is a perspective view showing the connection member by turning it back;

FIG. 4 is an exploded perspective view of the main part.

FIG. 5 is an enlarged sectional view taken along line VV in FIG. 2;

FIG. 6 is a sectional view of the same portion as FIG. 5 in a second embodiment of the present invention.

FIG. 7 is a perspective view of the connecting member shown in FIG. 6 as viewed from the back side.

FIG. 8 is a perspective view of each component showing an assembled state of another embodiment.

[Explanation of symbols]

(1) Door lock device (1a) Mesh mechanism body (1b) Latch (1c) Cover plate (2) Base member (2a) First shaft (2b) Shaft hole (3) (15) Inside lever (first lever) (3c) Second shaft (3d) Shaft hole (3e) Engagement hole (recess) (6) (16) Connecting lever (second lever) (6a) Shaft hole (9) (17) Connecting member (9a) ( 17a) First shaft fitting part (9b) (17b) Second shaft fitting part (9c) Claw (retaining means) (9d) (17d) Protruding shaft part (9e) (17e) Arm part (9h) ( 17h) Projection (17f) Second axis

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-61-228113 (JP, A) JP-A-62-79065 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) E05B 65/12-65/42 B60J 5/00

Claims (5)

(57) [Claims] A plurality of rotary levers having a first lever pivotally attached to a base member with a first axis, and a second lever pivotally attached to a portion of the first lever with a second axis at a position distant from the first axis. In the supporting structure of (1), a member fitted to the first shaft or the first shaft and a member fitted to the second shaft or the second shaft are integrally formed on both ends of a connecting member parallel to the first lever. And the first lever is
Between the base member and the connecting member on the first shaft
And the second lever is connected to the second lever on the second shaft.
Rotatably clamps between one lever and connecting member
And a member fitted to the first shaft or the first shaft
To prevent the base member from being disengaged by engaging with the base member.
A support structure for a plurality of rotating levers, characterized in that the supporting structure is provided. Wherein on the key points of the first lever and the corresponding intermediate portion of the connecting member, a plurality of the rotating lever according to claim 1, wherein is provided a detachment preventing means consisting of a concave portion and a convex portion engaged with each other Support structure. 3. A first lever and a connecting member are rotatably sandwiched between a base member and a cover plate attached to the base member such that a part of the first lever is separated from the base member. the support structure of the plurality of the rotating lever according to claim 1 or 2 wherein. 4. A cylindrical first shaft is formed integrally with a base member, and a shaft hole formed in a first lever is pivotally provided in the first shaft. The support structure for a plurality of rotary levers according to any one of claims 1 to 3 , wherein a projecting shaft portion integral with the connecting member is fitted to the connecting member. 5. A second shaft protrudingly provided on the first lever, a second shaft fitting portion formed on the connecting member is fitted to a tip of the second shaft, and a second shaft fitting portion of the connecting member is provided . By the periphery and the first lever, the second
The support structure of the plurality of the rotating lever according the second lever pivotally connected to the shaft to any one of claims 1 to 4 as sandwich rotatably.