JPH0454035B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a mounting structure for an automobile door lock that is fixed to a door in which an inner space is formed by joining an inner panel and an outer panel.

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

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. It is disposed on an L-shaped base member B3, and the door inside handle C, which is an operating section, is connected to the operating mechanism section B1 via a rotating/unlocking operating connecting rod B4 and an unlocking operating connecting rod B5. To assemble this door lock B to the door A, first insert the door lock B into the interior space A3 through the insertion hole A5 made in the flat part of the inner panel A1, and then engage it with the end face A4 while avoiding the sash A6. Mechanism part B
2, align the striker engagement/removal groove B6 with the striker entry opening A7 of the inner panel A1, and then fix the door lock B.
Further, a striker E that can be engaged with and detached from the door lock B is fixedly installed on the vehicle body D along the entry direction B7 of the door lock B.

However, in such a conventional automobile door lock mounting structure, the work of assembling the door lock B to the door A must be done in the narrow interior space of the door A, resulting in poor workability and inefficiency. In addition, there was a problem in that it was difficult to automate the assembly work, which hindered productivity improvement.

The present invention has been made in view of these conventional problems, and an object of the present invention is to solve the above problems by allowing the door lock to be directly inserted into the inside of the door.

To achieve this object, the gist of the present invention is to provide a mounting structure for an automobile door lock that is fixedly installed inside a door in which an inner space is formed by combining an inner panel and an outer panel. A mounting part is formed on the end surface of
The door lock is made up of an engaging mechanism section and an operating mechanism section coupled together in a substantially L-shape. A mounting insertion hole is formed at an end of the panel surface of the inner panel and communicates with the inside of the mounting section, and the mounting section is formed by opening the mounting insertion hole into the panel surface of the inner panel. The mounting insertion hole is formed so that the engaging mechanism part of the door lock can be inserted into the inner side of the end of the door by linearly advancing the engaging mechanism part of the door lock along the end face of the inner panel. It lies in the structure.

To install the door lock, insert the engaging mechanism part of the door lock linearly along the end surface of the inner panel into the insertion hole that communicates with the inside of the mounting part. The operating mechanism section is placed inside the mounting section and comes into contact with the inner surface of the mounting section, and the operating mechanism section is located along the panel surface of the inner panel.

Attachment is then completed by placing the engagement mechanism part against the inner surface of the attachment part and fixing it. In short, it is sufficient to insert and fix the engaging mechanism part of the door lock inside through the insertion hole of the inner panel, and the door lock can be quickly inserted and fixed.

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 meshing mechanism section 2 includes a mounting reinforcing plate 23 attached to the surface of a meshing base box 22 that houses components including a latch 21, and a striker engagement/disengagement groove 24 for engaging and disengaging the striker E from the latch 21. The operating mechanism section 3
The lock release operation member 4, the lock/unlock operation member 5, the child lock lever 6, etc. are attached to the operation base box 31.
and the operating mechanism section 3 are mutually bendable via a thin hinge 11, and when assembled, are approximately L.
It is held in a substantially L-shape by a back plate 12 shaped like a letter, and passes through the engagement base box 22 and reinforcing plate 23 of the engagement mechanism section 2 and the back plate 12 to provide insertion holes 25, 25 for mounting bolts (not shown). , . . . are bored, and the back plate 12 is formed with internally threaded portions 13, 13, . The lock release operation member 4 and the lock/unlock operation member 5 are provided with rotation transmission pulleys 41 and 5 that engage with each other.
1, a lock release cable 42 and a lock/unlock cable 52, which are wound and fixed around pulleys 41, 51, are connected, and the lock release cable 42 is connected to the inside handle C via a guide member 43, and the lock/unlock cable 42 is connected to the inside handle C via a guide member 43. 52 is connected to a locking/unlocking knob F via a guide member 53.

On the other hand, the door A has an attachment part A8 formed on its end face A4 for attaching the door lock 1, and a mechanism for connecting the attachment part A8 and the attachment part A9 of the inside handle C to arrange cables 42, 52. An inset groove A10 is formed in the panel surface A11 of the inner panel A1, and an inset groove A near the corner part A12 where the inset groove A10 bends into the attachment part 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 attachment part A8 in the direction of the panel surface A11,
It is large enough to allow the engagement mechanism part 2 of the door lock 1 to be inserted therethrough, and the engagement mechanism part 2 can be inserted from the outside into the top surface A14 of the attachment part A8, which is a part of the end surface A4.
A mounting insertion hole A15 is provided along which the door A can be inserted directly into the interior space A3 of the door A. Further, in the top surface A14 of the mounting portion A8, insertion holes A16, A16, ... corresponding to the mounting bolt insertion holes 25, 25, ... of the door lock 1 are bored, and striker entry holes corresponding to the striker engagement holes 24 are formed. A notch A17 is formed, and the insertion holes A16, A16, . . . are arranged in a highly rigid portion of the attachment portion A8.

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.
A door trim A18 is joined to the flange 72 and the rib 73 as shown in FIG.
8 and cover walls 74, 74 are erected along the end shape of the recessed groove A10, and a striker entry notch 75 is formed. Locking protrusions 76, 76 that fit into the holes 26, 26 are provided protrudingly, and an insertion hole 79 for the operation knob 61 of the child lock lever 6 is bored at the other end.

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 operation member 4 is fitted into the pivot projection 46 and is pivotally supported, and the pivot projection 5 having a similar structure is
4 and 62 are installed upright on the operation base box 31,
The locking/unlocking operation member 5 is pivotally supported on the pivot projection 54,
A child lock lever 6 is pivotally supported on the pivot projection 62. A lock release engagement pin 48 is protruded from the back of the lock release operation member 4, and a lock release engagement pin 56 is provided from the back of the arm portion 55 of the lock/unlock operation member 5. The engagement pin 48 rotatably engages with the engagement hole 81 at one end,
An engagement pin 56 is inserted into the elongated hole 82 on the other end side of the sub-lever 8.
The sub-lever 8 is held by being slidably and rotatably engaged with each other, and an engagement piece 83 extending to the meshing mechanism section 2 is provided protruding from the other end side of the sub-lever 8 . Further, the operation base box 31 has circumferential holding grooves 49 and 5 surrounding the pivot projections 46 and 54.
7 is formed, the holding groove 49 holds a spring 40 that urges the lock release operation member 4 to the non-release position, and the holding groove 57 holds a spring 58 that urges the lock/unlock operation 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 in the outer peripheral flange 32 of the operation base box 31. As shown in an enlarged view in FIG. 10, the lock release operation member 4 has a flange 50 formed on its outer periphery, and a pulley 41 is housed inside the flange 50.
Following the central fitting hole 47, 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. The pulley 41 has a central shaft pin 86 protrudingly provided, and a serration hole 87 is formed around the central axis toward the central shaft pin 86 as an engaged portion that can be engaged with the serrations 59 at any rotational position. It consists of being done. Further, on the back of the lock release operation member 4, a projection 8 that engages with the spring 40 is provided.
8 is provided protrudingly. Note that the engaging portion and the non-engaging portion include the serrations 59 and the serration holes 87.
The combination is not limited to the above, but any combination that can be engaged with each other at any rotational position using a polygonal shaft, spline, keyway, etc. may be used. The above structure is the same between the lock/unlock operation member 5 and the pulley 51.
Further, in the child lock lever 6, a swing arm part 63 extends from a 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 of the swing arm part 63, and a turnover spring 65
It is pivoted so as to be reversible between an upright state in which the cable 42 is tensioned and an inverted state in which the cable 42 is relaxed and cannot transmit motion, and a knob 61 for performing the reversal operation is shown in FIG. As shown, when the door A is closed, it is located in the shadow of the end D1 of the vehicle body D and cannot be operated.

Regarding the meshing mechanism section 2, a fork-shaped latch 21 is connected to a fitting hole 28 drilled in the meshing base box 22 and a fitting hole 2 drilled in the reinforcing plate 23.
The pin 2 is pivotally supported by a shaft pin 30 passed between the pin 2
A plate-shaped spring 2 stretched between 0 and the latch 21
7, facing the advancing direction of the striker E from the striker engagement/removal groove 24, and on the opposite side of the striker engagement/removal groove 24, a fitting hole 35 bored in the engagement base box 22 and A pole member 37 is pivotally supported through a fitting hole 36 formed in the reinforcing plate 23.
A locking portion 39 capable of locking the fork tip of the latch 21 projects in a radial direction from the central shaft 38 toward the latch 21 side, and a locking portion 39 that can lock the fork tip of the latch 21 is provided in a radial direction on the opposite side from the locking portion 39. is provided protrudingly, and a biasing spring 66
The latch 21 is biased in the direction of locking by the latch 21. A slider 68 having a pushing part 67 that comes into contact with the operated part 60 of the pole member 37 is slidably supported by fitting the groove part 69 at the bottom into the sliding groove 10 of the meshing base box 22. The engagement piece 83 of the sub-lever 8 can be engaged with the groove 69. On the side of the striker engaging/disengaging groove 24, a wedge bumper 14 for preventing rattling of the striker E is biased by a biasing spring 15, and the fitting part 16 at the bottom slides into the fitting groove 17 of the meshing base box 22. It is movably fitted and supported, and a stopper portion 18 for receiving the striker E is formed at the rear end of the striker engagement/disengagement groove 24. An outside lever 90 is biased by a biasing spring 91 on the back plate 12 at the back of the meshing base box 22.
The outside lever 90 is pivotally supported via a shaft pin 93 that is fitted into a fitting hole 92.
The engaging end 94 of can be engaged with the engaging 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 assembled by unfolding the thin-walled 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 operation member 4 and the like are attached to the attachment site of each component from roughly 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 23, and various The parts are housed and fixed, and for the operating mechanism section 3, the operating base box 31 is bent relative to the engaging base box 22 around the thin hinge 11, and the fitting protrusion 96 is fitted into the fitting hole 95 of the back plate 12. The door lock 1 is formed into a substantially L-shape.

To assemble the door lock 1 to the door A, as shown in FIG. the corresponding bolt insertion hole 25 of the door lock 1 and 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 to the door A. . Next, while the end of the cable 42 wound and fixed around the pulley 41 is connected to the inside handle C, the serration 59 of the lock release operation member 4 is fitted into the serration hole 87 of the pulley 41 to release the lock release operation member 4 from the pulley 41. Attach to. At this time, the pulley 41 is appropriately rotated to apply appropriate tension to the cable 42, and the pulley 41 is attached at the rotated position. Similarly, after connecting the end of the cable 52 to the locking/unlocking knob F, the pulley 51 is attached to the locking/unlocking operation 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 below 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 operation member 4, and the engagement piece 83 is pulled from the engagement mechanism section 2 and the slider 68 is rotated. 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 operation 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 24 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. 41 is rotated clockwise in FIG. 16, and the engaging pin 48 pulls up the sub-lever 8, so that the engaging piece 83 of the sub-lever 8 raises the slider 68 upward in FIG. 15, and the pushing part of the slider 68 67 presses 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, but when the child lock lever 6 is pushed down, the turnover spring 65 is reversed and held in the inverted state, and the first
In the state shown in FIG. 7, the cable 42 is relaxed, and even if the inside handle C is operated, the operation is not transmitted to the lock release member 4, and the door lock 1 is
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, operate the outside lever 90 using the outside handle (not shown) to release the lock and open the door A. However, a child lock condition occurs 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
Since it is located on the front side of the inner panel A1, connection with other devices such as the inside handle C or adjustment thereof can be easily performed, and repairs can be made without removing the door lock 1. Further, in the operation mechanism section 3, the lock release operation member 4 and the pulley 41 are engaged through the serration 59 and the serration hole 87, so the amount of winding of the cable 42 can be changed by rotating the pulley 41. , absorbs installation errors,
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 an embodiment in which the door inside handle C is provided with such a structure. In addition, when assembling the door lock 1 itself, the meshing mechanism section 2 and the operating mechanism section 3 are connected to the hinge 1.
1 and can be unfolded into a flat state facing approximately the same direction during assembly, so the components can be attached from the same direction, making assembly work more efficient and easier to automate. do.
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 mounting structure for an automobile door lock according to the present invention, there is no need to move the door lock into the interior space of the door and then move it to the mounting position.
There is no interference with other parts during movement, and the door lock can be inserted directly by moving it linearly into the mounting insertion hole from a predetermined direction, making it easier to assemble the door lock. The ease of attachment is greatly improved, and since the insertion direction is almost unidirectional, it is easy to automate. In addition, since the installation insertion hole is covered by the door lock itself, sealing can be done easily, and there is no need to put a sealing screen over the insertion hole after the door lock is assembled, as is the case in the past, which streamlines the door lock installation process. This has the effect of improving productivity.

[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 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, A1...inner panel, A2...
Outer panel, A15...Mounting insertion hole, C...Inside handle, D...Vehicle body, E...Striker, F...Knob, 1...Door lock, 2...Matching mechanism section, 3...Operation mechanism section, 4 ... Lock release operation member, 5 ... Lock and unlock operation member, 6 ... Child lock lever.

Claims (1)

[Scope of Claims] 1. A mounting structure for an automobile door lock that is fixedly installed inside a door in which an inner panel and an outer panel are combined to form an internal space, comprising: a mounting portion formed on an end surface of the inner panel;
The door lock is made up of an engaging mechanism section and an operating mechanism section coupled together in a substantially L-shape. A mounting insertion hole is formed at an end of the panel surface of the inner panel and communicates with the inside of the mounting section, and the mounting section is formed by opening the mounting insertion hole into the panel surface of the inner panel. The mounting insertion hole is formed so that the engaging mechanism part of the door lock can be inserted into the inner side of the end of the door by linearly advancing the engaging mechanism part of the door lock along the end face of the inner panel. structure.