JPH0236744B2 - - 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 fixed to the end surface A4 of the door A where the internal space A3 is formed by combining the door lock B with the door lock B, the operating mechanism section B1 and the engaging mechanism section B2 are formed in a substantially L-shape. The door inside handle C, which is an operating section, is connected to the operating mechanism section B1 via a locking/unlocking operating connecting rod B4 and an unlocking operating connecting rod B5. To assemble the 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 insert the door lock B into the interior space A3.
6, press the engaging mechanism part B2 against the end face A4, and remove the striker type groove B6 and the inner panel A1.
This is done by aligning the door lock B with the striker entrance A7 and then fixing 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 entire door lock B is housed within the interior space A3 of the door A, so the operation mechanism part B1 is also hidden inside, and later the inside handle C etc. It becomes difficult to connect and adjust with other devices, and even if it breaks down, it cannot be repaired unless door lock B is removed once. Furthermore, if water enters the door interior space A3, water will splash on the operating mechanism, so there is a problem in that waterproofness must also be taken into consideration.

The present invention has been made in order to solve these conventional problems, and aims to provide a mounting structure for an automobile door lock that is easy to connect and adjust the operation mechanism and has improved waterproofness. The purpose is

The gist of the present invention to achieve such an object is to provide a door lock in which a meshing mechanism section and an operating mechanism section are coupled in a substantially L-shape, and an inner space is formed by coupling an inner panel and an outer panel. A mounting structure for an automobile door lock that is fixedly installed on a door comprising: the engaging mechanism portion being located within the internal space;
A mounting structure for an automobile door lock, characterized in that the operating mechanism unit connected to an operating unit provided on the door is located along the front side of the inner panel, and a cover plate is provided to cover the outside of the operating mechanism unit. exists in

When the door lock is installed, the operating mechanism is located on the front side of the inner panel of the door. A cover plate is attached to cover the operating mechanism section that is outside the inner panel.

The members can be easily connected to the operating mechanism section with the cover plate removed, and since the cover plate is placed over the operating mechanism section, the operating mechanism section is dust-proof and protected.

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 section 4, the lock/unlock operation member 5, the child lock lever 6, etc. are attached to the operation base box 31. When assembled, it is held in a substantially L-shape by a substantially L-shaped back plate 12, and the engagement base box 2 of the engagement mechanism section 2
2, the reinforcing plate 23, and the back plate 12, through holes 25, 25, . . . for mounting bolts (not shown) are drilled through the back plate 1
In No. 2, female screw portions 13, 13, . . . are formed. 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 fixed by being wrapped around pulleys 41 and 51, are connected.The lock release cable 42 is connected to the inside handle C via a guide member 43, The lock cable 52 is connected to the lock/unlock knob F via a guide member 53.

On the other hand, a boss part A8 for attaching the door lock 1 is provided protruding from the end face A4 of the door A, and cables 42, 52 are arranged to connect the boss part A8 and the attachment part 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 attached part A13 has an opening along the top surface A14 of the boss part A8 in the direction of the panel surface A11,
It has a size just large enough to allow the engagement mechanism part 2 of the door lock 1 to be inserted therethrough, and this engagement mechanism part 2 is inserted from the outside into the top surface A14 of the boss portion 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. The top surface A14 of the boss portion A8 has an insertion hole A corresponding to the mounting bolt insertion holes 25, 25, . . . of the door lock 1.
16, A16... are bored and a striker entry notch A1 corresponding to the striker engagement hole 24
7 is formed, and the insertion holes A16, A16, . . . are arranged in a highly rigid portion of the boss 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 as shown in FIG.
is erected and a striker entry notch 75 is formed, and locking holes 26, 26 are formed in the end face of the engaging base box 22 of the door lock 1.
Locking protrusions 76, 76 that fit into the child lock lever 6 are provided on the other end.
One insertion hole 79 is bored.

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 of a similar structure is fitted.
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. A fitting tube 84 is formed with a serration 59 as an engaging portion formed around the fitting tube 84, and a cylindrical hole 85 is formed through the inner side of the fitting tube 84.
6 is provided in a protruding manner, and a serration hole 87, which is an engaged portion that can be engaged with the serration 59 at any rotational position, is formed around the central axis facing the central axis pin 86. Further, a protrusion 88 that engages with the spring 40 is provided on the back of the unlocking operation member 4 . 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, and may include polygonal shafts, splines,
Any material that can be engaged with each other at any rotational position using a keyway or the like may be used. The above structure is the lock/unlock operation member 5
The same applies between the pulley 51 and the pulley 51. In addition, the child lock lever 6 has a swing arm portion 3 extending from a swing center axis, and a step portion 64 that comes into contact with the cable 42 is formed on the back side of the tip thereof, and is attached to a turnover spring 65. It is pivoted so as to be reversible between an upright state in which the cable 42 is stretched and an inverted state in which the cable 42 is relaxed and motion transmission is disabled, and a knob 61 for inverting the cable 42 is provided as shown in FIG. to door A
It is disposed in a position where it is hidden behind the end D1 of the vehicle body D and cannot be operated when it is closed.

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. The striker engaging/disengaging groove 24 is pivoted by the plate-shaped spring 27 stretched between the pin 20 and the latch 21 that protrude from the engagement base box 22.
Looking in the direction of approach of the striker E, and on the opposite side of the striker engaging/disengaging groove 24, there is a fitting hole 35 drilled in the engagement base box 22 and a fitting hole 36 bored in the reinforcing plate 23. The crossed pole member 37 is pivotally supported, and the pole member 3
7 is provided with a locking portion 39 that can lock the fork tip of the latch 21 in a radial direction from the center shaft 38 toward the latch 21 side, and a locking portion 39 that can lock the fork tip of the latch 21 in a radial direction on the opposite side from the locking portion 39 is provided to protrude from the center shaft 38 toward the latch 21 side. 60 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 pivotably supported on the back plate 12 at the back of the meshing base box 22 via a shaft pin 93 that is biased by a biasing spring 91 and fitted into a fitting hole 92. The engaging end 94 of the outside lever 90 can engage 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 portion E3 and a stopper portion E4. , side pressed portion E5, etc. 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 bolt insertion hole 25 of the corresponding door lock 1 and the insertion hole A16 of the door A are aligned, the mounting bolt is inserted, and the bolt is fastened 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 operation member 4 are fitted into the serration holes 84 of the pulley 41, and the pulley 41 is released as the lock release operation member. Attach to 4.
At that time, rotate the pulley 41 appropriately and
2, and attach the pulley 41 at that rotation 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.
rotates while being engaged with the elongated hole 82 of the sub-lever 8, so the sub-lever 8 swings around the engaging pin 48 of the lock release operation member 4, and the engaging piece 83 is pulled from the engaging mechanism section 2 into the groove section of the slider 68. 69 becomes locked and unlocked. 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 entry of the striker E, and when the striker E enters the striker engagement groove 24 and presses the fork of the latch 21, the latch 21
is rotated clockwise in FIG. 7, and the locking portion 39 of the pawl member 37 locks the fork tip of the latch 21, restraining the engaging leg portion E3 and entering the locked state. When fully latched, the stopper part E4 of the striker E comes into contact with the stopper part 18 of the meshing mechanism part 2, and the wedge bumper 14 pushes the side pressed part E.
5 is pressed from the side, resulting in the state shown in Fig. 15.

When the inside handle C is operated when the striker E is locked as shown in FIG. 15 and the door lock 1 is in the unlocked state as shown in FIG. 16, the cable 42 is pulled and the lock release operation member 4 and 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 68 upward in FIG. The portion 67 pushes the operated portion 60 of the pawl member 37 to rotate the pawl member 37 counterclockwise, and the pawl member 37 is disengaged from the latch 21 to release the restraint, 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 unlocking operation member 4, and the door lock 1 cannot be brought into the unlocked state. When the door A is closed, the knob 61 is hidden behind the end D1 of the car D, as shown in Fig. 4, and cannot be operated.If the door is unlocked, the knob 61 is hidden by the outside handle (not shown). Due to outside lever 90
Although the driver can operate the door to release the lock and open door A, the vehicle is in a child lock state 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 at that time can be easily performed, and repairs can be made without removing the door lock 1. In addition, in the operation mechanism section 3, the lock release operation member 4 and the pulley 41 are connected to the serration 5.
9 and the serration hole 87, the amount of winding of the cable 42 can be changed by rotating the pulley 41, absorbing installation errors and adapting to dimensional differences due to differences in vehicle model specifications, etc. Can be done. It goes without saying that there may also be an embodiment in which the door inside handle C is provided with such a structure. Furthermore, when assembling the door lock 1 itself, the engagement mechanism section 2 and the operating mechanism section 3 are connected to the hinge 11.
Because the components can be connected through the 2-way connector and unfolded into a flat state facing approximately the same direction during assembly, the components can be attached 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 mounting structure according to the present invention, since the operating mechanism of the door lock is located on the front side of the door inner panel, it is easy to connect or adjust other devices such as a door inside handle after the door lock is installed. At the same time, adjustment and repair of the operating mechanism becomes easy. Furthermore, since water does not enter, waterproofness is improved. Since the operating mechanism section is covered with a cover plate, it is possible to prevent dust from entering from the inside of the vehicle interior, and also to provide protection in the event that something gets hot.

[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. An automobile in which a door lock in which a meshing mechanism part and an operating mechanism part are joined in a substantially L-shape is fixed to a door in which an inner space is formed by joining an inner panel and an outer panel. A mounting structure for a door lock, wherein the engaging mechanism portion is located within the internal space,
A mounting structure for an automobile door lock, characterized in that the operating mechanism unit connected to an operating unit provided on the door is located along the front side of the inner panel, and a cover plate is provided to cover the outside of the operating mechanism unit. .