JPH021951B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automobile door lock device in which an operating mechanism section and an operating section of the door lock are connected via a cable.

2. Description of the Related Art Conventional automobile door lock devices include those shown in FIGS. 1 and 2, for example.

That is, inner panel A1 and outer panel A
In the case where the door lock B is fixedly installed inside the end surface A4 of the door A where the internal space A3 is formed by coupling the door lock B with the door A3, the conventional door lock B has an operating mechanism section B1 and a meshing mechanism section B2. A door inside handle C, which is an operating part and is arranged on an L-shaped base member B3, is connected to a locking/unlocking operating connection rod B4.
The door lock B is connected to the operating mechanism part B1 via the lock release operation connecting rod B5.The door lock B is assembled by first inserting the door lock B inside the door through the insertion hole A5 made in the flat part of the inner panel A1. Insert it into the space A3, then press the engaging mechanism part B2 against the end face A4 while avoiding the sash A6, align the striker engagement/removal groove B6 with the striker entrance port A7 of the inner panel A1, and then fix the door lock B. A striker E is fixed to the vehicle body D, which is removable from the door lock B along the entry direction B7 of the door lock B.

However, in such a conventional automobile door lock device, the operating mechanism section B1 of the door lock B is
Since the members that transmit the motion from the operating parts such as the inside handle C are rigid connecting rods B4 and B5, it is not only difficult to adjust the length;
Even if it is sufficient to change only the length of the transmitting member due to differences in vehicle model specifications, etc., there is a problem in that a connecting rod, which is a separate part, must be provided.

The present invention has been made in view of these conventional problems, and involves using a flexible cable as a member for transmitting motion, and making it possible to wrap this cable around a pulley to adjust its length. The aim is to solve the above problems.

In order to achieve such an object, in the present invention, at least one of the operating mechanism section and the operating section is provided with a pulley to which one end of a cable is fixed, and an operating member into which this pulley is fitted,
A cable can be wound around a pulley, and further an engaged part forms an engaging part between the pulley and the actuating member, and the other part is engaged with the engaging part at any rotational position. The cable length can be adjusted by rotating the pulley and changing the amount of cable wrapping.

Hereinafter, one embodiment of the present invention will be described based on the drawings. Note that the same parts as in the conventional example are given the same reference numerals and redundant explanations will be omitted.

Each of the figures following FIG. 3 shows an embodiment of the present invention.

As shown in Figures 3 to 9, the door lock 1
When assembled, the meshing mechanism part 2 and the operating mechanism part 3 are bent and connected in a substantially L-shape,
The engagement mechanism section 2 has an attachment reinforcing plate 23 attached to the surface of an engagement base box 22 that houses components such as a latch 21, and a striker E.
A striker engaging/disengaging groove 24 is formed for engaging and disengaging the latch 21 from the latch 21. The engaging mechanism section 2 and the operating mechanism section 3 are mutually bendable via a thin hinge 11, and when assembled, a lever 6 and the like are attached to the engagement mechanism section 2 and the operating mechanism section 3. It is held in a substantially L-shape, and insertion holes 25, 25, . The plate 12 is formed with female threads 13, 13, . . . . The lock release actuation member 4 and the lock/unlock actuation member 5 are provided with rotation transmission pulleys 4 that engage with each other.
A lock release cable 42 and a lock/unlock cable 52, which are wound and fixed around pulleys 41 and 51, are connected via cables 1 and 51, and the lock release cable 42 is connected via a guide member 43 to an inside handle that forms an operating section. C, and the locking/unlocking cable 52 is connected via a guide member 53 to a locking/unlocking knob F forming an operating section.

On the other hand, the door A has a protruding boss portion A8 on its end surface A4 for attaching the door lock 1, and cables 42 and 52 are provided to connect the boss portion A8 and the attachment portion A9 of the inside handle C. A recessed groove A10 is formed in the panel surface A11 of the inner panel A1, and the recessed groove A is located near the corner portion A12 where the recessed groove A10 bends into the boss portion A8.
The bottom of 10 is an attachment part A13 that brings the operating mechanism part 3 of the door lock 1 into contact with the front side of the inner panel A1.
The attachment part A13 has an opening along the top surface A14 of the boss part A8 in the direction of the panel surface A11, and is large enough to allow the engagement mechanism part 2 of the door lock 1 to be inserted therethrough. A mounting insertion hole A15 is provided to allow the door A to be directly inserted into the internal space A3 of the door A from the outside along the top surface A14 of the boss portion A8 which is a part of the end surface A4. The top surface A14 of the boss portion A8 has insertion holes A1 corresponding to the mounting bolt insertion holes 25, 25, . . . of the door lock 1.
6, A16... are bored, and a striker entry notch A17 corresponding to the striker engagement/removal hole 24 is formed, and the insertion holes A16, A16... are formed in the boss portion A8.
It is placed in a highly rigid part of the

Further, a cover plate 7 is provided to cover the internal mechanism of the operating mechanism section 3 from being exposed after the door lock 1 is attached to the door A. The main surface portion 71 has a flange 72 and a rib 73 formed on the outer periphery of the main surface portion 71.
As shown in FIG. 6, a door trim A18 is joined to the flange 72, and cover walls 74, 74 are erected at one end along the shape of the end of the boss portion A8 and the recessed groove A10, and a striker entry notch 75 is provided. The engaging base box 22 of the door lock 1 is formed with locking protrusions 76, 76 which are fitted into the locking holes 26, 26 formed on the end face thereof. knob 61
An insertion hole 79 is formed therein.

Also refer to Figures 10 to 13 to lock the door
In detail, first, regarding the operation mechanism section 3, a pivot projection 46 having an enlarged head 44 and a neck 45 serving as a central axis is erected on the operation base box 31, as shown in FIG. The center fitting hole 47 of the lock release actuating member 4 is fitted into the pivot protrusion and is pivotally supported, and the pivot protrusion 54, which has a similar structure,
62 is erected on the operation base box 31, the lock/unlock operating member 5 is pivotally supported on the pivot projection 54, and the child lock lever 6 is pivotally supported on the pivot projection 62. A lock release engagement pin 48 is provided protruding from the back of the lock release operation member 4, and a lock release engagement pin 5 is provided at the back of the arm portion 55 of the lock/unlock operation member 5.
6 protrudes, the engagement pin 48 rotatably engages with the engagement hole 81 at one end of the sub-lever 8, and the engagement pin 56 slides into the elongated hole 82 at the other end of the sub-lever 8. The sub-lever 8 is held by being rotatably engaged, and an engagement piece 83 extending to the meshing mechanism section 2 is provided protruding from the other end of the sub-lever 8 .
In addition, the operation base box 31 has a pivot protrusion 4.
Circumferential holding grooves 49 and 57 are formed surrounding the lock release actuating members 4
A spring 40 is held in the holding groove 57 to urge the locking/unlocking member 5 to the unlocked position, and a spring 58 is held in the holding groove 57 to urge the locking/unlocking member 5 to the unlocked position. , a guide notch 33 for the lock/unlock cable 52 and a guide notch 34 for the unlock cable 42 are formed. As shown in an enlarged view in FIG. 10, the lock release actuating member 4 has a flange 50 formed on its outer periphery, and a pulley 41 is housed inside the flange 50.
7, a fitting cylinder 84 is formed with a serration 59, which is an engaging part formed around the central axis, and a cylindrical hole 85 is formed through the inside of the fitting cylinder 84. A central shaft pin 86 is provided protrudingly provided, and a serration hole 87, which is an engaged portion that can be engaged with the serrations 59 at any rotational position, is formed around the central axis facing the central shaft pin 86. Furthermore, a protrusion 88 that engages with the spring 40 is provided on the back of the lock release actuation member 4 in a protruding manner. Note that the engaging portion and the non-engaging portion are not limited to the combination of the serrations 59 and the serration holes 87, but may engage with each other at any rotational position by a polygonal shaft, spline, keyway, etc. It's good to have. The above structure is the same between the lock/unlock operating member 5 and the pulley 51. In addition, the child lock lever 6 has a swing arm part 63 extending from the swing center axis, and a step part 64 that comes into contact with the cable 42 is formed on the back side of the tip part, and is attached to a turnover spring 65. An upright state in which the cable 42 is tensioned and the cable 42 is stretched.
The knob 61 for inverting is pivoted to the end D1 of the vehicle body D when the door A is closed, as shown in FIG. It is placed in a position where it is hidden behind the screen and cannot be operated.

Regarding the meshing mechanism section 2, a fork-shaped latch 21 is connected to a shaft pin 30 passed between a fitting hole 28 drilled in the meshing base box 22 and a fitting hole 29 drilled in the reinforcing plate 23. and is biased by a plate-shaped spring 27 stretched between the pin 20 and the latch 21 protruding from the engagement base box 22, so that the striker E enters the striker E from the striker engagement/disengagement groove 24. Also, on the opposite side of the striker engagement/removal groove 24, there is a pole member 37 extending between a fitting hole 35 drilled in the engagement base box 22 and a fitting hole 36 bored in the reinforcing plate 23. is pivotally supported, and the pole member 37 has a radial direction from the central axis 38 toward the latch 21 side.
Locking part 3 that can lock the fork tip of latch 21
9 is provided in a protruding manner, and an operated portion 60 is provided in a protruding manner in a radial direction on the opposite side from the locking portion 39, and is biased by a biasing spring 66 in a direction to lock the latch 21. The pushing part 6 that comes into contact with the operated part of this pole member 37
7 is slidably supported by fitting a groove 69 at the bottom into a sliding groove of the engaging base box 22, and an engaging piece 83 of the sub-lever 8 can be engaged with the groove of the groove 69. It's getting old. On the side of the striker engagement/removal groove 24, a wedge bumper 14 is provided to prevent the striker E from rattling.
The bottom fitting part 16 is slidably fitted and supported in the fitting groove 17 of the engagement base box 22 by the urging spring 15, and a striker E is installed at the rear end of the striker engagement/disengagement groove 24. A stopper portion 18 for receiving is formed. An outside lever 90 is swingably supported on the back plate 12 at the back of the meshing base box 22 via a shaft pin 93 which is biased by a biasing spring 91 and fitted into a fitting hole 92. and the engaging end 94 of the outside lever 90
can be engaged with the engagement piece 83 of the sub-lever 8.
A fitting protrusion 96 that fits into a fitting hole 95 of the back plate 12 projects from the back of the operation base box 31 .

As shown in FIG. 14, the striker E has a loop-shaped engagement leg core E2 erected on a base plate E1 fixed to the vehicle body D, a resin coating molded thereon, and an engagement leg E3, a stopper E4, A side pressed portion E5 and the like are formed.

As shown in FIG. 11, the door lock 1 as described above is unfolded by means of a thin hinge 11, so that the engaging base box 22 and the operating base box 31 are oriented in the same direction, and the latch 21 is opened.
Alternatively, the lock release actuating member 4 and the like are attached to the mounting portions of each component from approximately the same mounting direction, and for the engagement mechanism section 2, the engagement base box 22 is sandwiched between the back plate 12 and the reinforcing plate, and the various components are mounted. is housed and fixed, and the operation mechanism section 3
In this case, the operating base box 31 is bent around the thin hinge 11 relative to the engaging base box 22, and the engaging protrusion 96 is attached to the back plate 12.
The door lock 1 is fitted into the fitting hole 95 to form a substantially L-shape.

To assemble the door lock 1 to the door A, as shown in FIG. 1, align the bolt insertion hole 25 of the corresponding door lock 1 with the insertion hole A16 of the door A, insert the mounting bolt, and fasten it to the female threaded portion 13 of the back plate 12 to fix the door lock 1. Next, with the end of the cable 42 wound and fixed around the pulley 41 connected to the inside handle C, the serrations 59 of the lock release actuation member 4 are fitted into the serration holes 87 of the pulley 41, thereby turning the pulley 41 into the lock release actuation member. Attach. At that time, the pulley 41 is rotated appropriately, and the cable 42
The pulley 41 is installed at that rotating position. Similarly, the end of the cable 52 is connected to the lock/unlock knob F, and then the pulley 51 is attached to the lock/unlock operating member 5. Next, the cover plate 7 is placed over the operating mechanism part 3 of the door lock 1, and the locking protrusion 76 is inserted into the engaging base box 22 while the knob 61 of the child lock lever 6 is inserted through the insertion hole 79 so as to protrude to the outside. It is fitted into the locking hole 26 and fixed to the door A.

The operation of the door lock 1 will be explained as follows with reference to FIGS. 15 to 17.

5 and 16 show the unlocked state, in which the engaging piece 83 of the sub-lever 8 protrudes into the engaging mechanism section 2 and engages with the groove 69 of the slider 68 and the engaging end 94 of the outside lever 90. It is becoming possible. When the cable 52 is pulled by operating the knob F, the pulley 51 and the lock/unlock operating member 5 rotate clockwise in FIG.
6 rotates while being engaged with the elongated hole 82 of the sub-lever 8, the sub-lever 8 swings around the engagement pin 48 of the lock release actuating member 4, and the engagement piece 83 is retracted from the engagement mechanism section 2 and the slider 98 is moved. The groove 69 is in a locked state where it cannot be engaged. This state is shown in FIG. 12, although it is shown unfolded, and even if the lock release actuating member 4 rotates and the sub-lever 8 moves, the movement is not transmitted to the slider 68 and the outside lever 90 I also miss the mark.

5 and 7 show the state in which the latch 21 is waiting for the striker E to enter,
The striker E enters the striker engagement groove 24,
When the fork of latch 21 is pressed, latch 21 is rotated clockwise in FIG.
The locking portion 39 of the latch 21 locks the fork tip of the latch 21, restrains the engagement leg E3, and becomes in a locked state. When fully latched, the stopper part E4 of the striker E comes into contact with the stopper part 18 of the engagement mechanism part 2, and the wedge bumper 14 pushes the side pressed part E5.
is pressed from the side, resulting in the state shown in FIG.

When the striker E is restrained as shown in FIG. 15 and the inside handle C is operated when the door lock 1 is in the unlocked state as shown in FIG. As the pulley 41 is rotated clockwise in FIG. 16 and the engagement pin 48 pulls up the sub-lever 8, the engagement piece 83 of the sub-lever 8 raises the slider 69 upward in FIG. The portion 67 pushes the operated portion 60 of the pawl member 37 to rotate the pawl member 37 counterclockwise, the locking portion 39 disengages from the latch 21 and is released from the lock, and the striker E is unlocked.

In FIG. 16, the child lock lever 6 is upright and the child lock is released.
When the child lock lever 6 is tilted down and the turnover spring 65 is reversed and held in the inverted state as shown in FIG. Door lock 1 is not transmitted.
cannot be brought into unlocked state. Door A
When the is closed, the knob 6 is closed, as shown in Figure 4.
1 is behind the end D1 of the vehicle body D and cannot be operated, and if the door is unlocked, the door A can be opened by operating the outside lever 90 using the outside handle (not shown) to release the lock. However, it becomes a child lock condition in which door A cannot be opened from inside the vehicle.

According to this embodiment, when assembling the door lock 1 to the door A, the engaging mechanism part 2 is linearly advanced from the outside of the door inner panel A1 to the attachment insertion hole A15 and inserted directly into the interior space A3. This makes the assembly work extremely easy, and the operation mechanism section 3
is located on the front side of the inner panel A1, so it can be easily connected to other devices such as the inside handle C, and repairs can be made without removing the door lock 1. In addition, in the operating mechanism section 3, the operating members 4, 5 and the pulley 41,
Since the pulleys 41 and 51 are engaged with each other through the serrations and the serration holes, the pulleys 41 and 51
By rotating the cables 42 and 52, the amount of winding of the cables 42 and 52 can be changed, and installation errors can be absorbed and the adjustment can be easily performed, and it is possible to adapt to dimensional differences due to differences in vehicle model specifications, etc. It goes without saying that there may also be embodiments in which such a structure is provided in the operating section. Furthermore, when assembling the door lock 1 itself, the engaging mechanism section 2 and the operating mechanism section 3 are connected via the hinge 11 so that they can be unfolded into a planar state facing approximately the same direction during assembly, so that the component parts can be assembled. They can be installed from the same direction, making assembly work more efficient and easier to automate. Note that the various parts attached to the meshing mechanism section 2 and the operating mechanism section 3 are merely arranged as an example, and the parts attached to the meshing mechanism section 2 may be arranged in the operating mechanism section 3 in other embodiments. Needless to say, it is sometimes attached to.

According to the automobile door lock device according to the present invention, the pulley around which the cable is wound and solidified can be engaged with and attached to the actuating member at any rotational position, so that the cable can be unwound even if the specifications of the vehicle are different. This can be easily accommodated by changing the amount, and by reducing the rotation pitch, the tension of the cable can be adjusted to an appropriate state. Note that if the purpose is only for adjustment, a fan-shaped partial pulley may be used.

[Brief explanation of drawings]

Figures 1 and 2 show a conventional example, Figure 1 is an exploded perspective view showing an overview of the door and door lock, Figure 2 is a horizontal sectional view of the door lock installed, and Figures 3 to 17 are the main parts. 3 is an exploded perspective view showing an overview of the door and the door lock, FIG. 4 is a horizontal sectional view of the door lock installed, FIG. 5 is an exploded perspective view showing the door lock installed, and FIG. Figure 6 is a cross-sectional view of Figure 5, Figure 7 is a front view of the door lock, Figure 8 is a plan view of the door lock, Figure 9 is a rear view of the door lock, and Figure 10 is a partially cutaway illustration of the operation. FIG. 11 is an exploded perspective view of the door lock, FIG. 12 is a front view of the door lock in an expanded state, and FIG. 13 is a plan view of the door lock.
Fig. 14 is a perspective view of the striker, Fig. 15 is a front view of the door lock engaged with the striker, Fig. 16 is a front view showing the connection relationship between the door lock and the door inside handle and knob, with the child lock released and Fig. 17 The figure also shows the child lock condition. A...Door, A15...Mounting insertion hole, C...Inside handle (operation part), D...Vehicle body, E...Striker, F...Knob (operation part), 1...Door lock, 2...
Meshing mechanism part, 4... Lock release actuation member, 3... Operation mechanism part, 5... Lock/unlock actuation member, 6... Child lock lever, 42, 52... Cable, 41, 51
...Pulley.

Claims (1)

[Claims] 1. An automobile door lock device in which an operating part and an operating mechanism part of the door lock are connected via a cable, in which at least one of the operating mechanism part and the operating part includes a pulley to which one end of the cable is fixed. An operating member to which the pulley fits is provided, a cable can be wound around the pulley, an engaging portion is formed on either one of the pulley and the operating member, and an optional 1. A door lock device for an automobile, comprising an engaged portion that can be engaged at a rotational position.