JP2001213165A - Assembly structure of door lock unit - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily connect an inner link and a connector for locking and unlocking with a door lock unit. SOLUTION: In this structure in which the door lock unit 9 is provided on a door main body, a sub-inner panel 3 is assembled, and inner links 25, 26 on a sub-inner panel side are connected with operation parts 10, 11 of the door lock unit, a window part 8 projecting the operation parts is provided on the door main body 1, and the inner links are connected with the operation parts on an outer side of the window part. A connector 12 of the door lock unit 9 protrudes from the window part 8, and the connector and a wire harness 29 on the sub-inner panel side are connected on the outer side of the window part. A waterproof packing of a cover 46 of the door lock unit adheres closely on a peripheral fringe of the window part 8. A rear end 24 of the sub-inner panel is linearly continuous, and the inner links and the connector 30 protrude backward from the rear end. The peripheral fringe of the window part 8 is formed to be flat, and the waterproof packing adheres closely on the peripheral fringe of the window part on the same plane.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure in which an inner link, a wire harness, and a sub-inner panel having various accessories are assembled to a door body having a door lock unit. The present invention relates to an assembling structure of a door lock unit which can be easily connected or connected to a unit.

[0002]

2. Description of the Related Art FIG. 6 and FIG.
1 shows an assembling structure of a door lock unit proposed in No. 0-341216. In FIG. 6, reference numeral 61 denotes a metal door body, and 62 denotes a synthetic resin sub-inner panel 6.
3 shows a sub-inner panel assembly including a third inner panel assembly; Door body 61
Is composed of an outer panel 64 and a frame-shaped inner panel 65. The sub inner panel 62 is an inner panel 65
Is fixedly joined with bolts or the like. A door trim (not shown) made of a synthetic resin is joined to the sub inner panel 63.

The outer panel 63 is provided with an outer handle 66, a key cylinder (not shown), and a door lock unit 67. The outer handle 66 and the key cylinder are connected to each other by two short outer links 68, 69 for locking and unlocking. 67.

[0004] An inner handle 70 and a lock knob 71 are provided on the sub inner panel 63.
The front ends of two long inner links 72 and 73 for locking and unlocking are connected to the lock knob 71 and the inner links 72 and 7.
3 is arranged along the door trim facing surface 74 of the sub-inner panel 63, and the rear ends 75,
7 is bent at a right angle as shown in FIG. 7 and protrudes through the rectangular notch 23 of the sub-inner panel 63 toward the outer panel facing surface 77 of the inner panel 65.

In FIG. 6, a wire harness 78, an auxiliary device such as a door switch unit 79, a speaker 80, and the like are provided on the side of the sub inner panel 63 facing the door trim.
Each connector of the wire harness 78 is connected to each auxiliary machine, and a connector 81 for connecting the door lock unit on the rear end side is arranged in the cutout portion 23 of the sub inner panel 63 as shown in FIG. The front end connector 82 is connected to the vehicle body side (power supply side). The front end of the wire harness 78 is in close contact with the front end of the inner panel 65 via the waterproof grommet 83.

In FIG. 7, a rectangular notch 84 is formed in the inner panel 65 of the door main body 61 corresponding to the notch 23 of the sub-inner panel 63, and the notch 84 is provided on the outer panel facing surface 77 side of the inner panel 65. A door lock unit 67 is disposed at the front end of the door lock unit 67. Two upper and lower operation levers 85 and 86 of the door lock unit 67 are located opposite the cutouts 84, and a door lock motor connector 87 is disposed below the lever 86. Have been. The levers 85 and 86 are rotatable up and down or forward and backward in the forward and backward directions.

The cover 88 of the door lock unit 67 has a rectangular opening 89 following the notch 84 of the inner panel 65.
The levers 85 and 86 and the connector 87 are accommodated inside the opening 89. A waterproof packing 90 is provided on the periphery of the opening 89, and the waterproof packing 90 is extended rearward, and the rear half 90 a is in close contact with the back surface of the inner panel 65 (surface facing the outer panel). Waterproof packing 90
Is in close contact with the back surface (outer panel facing surface) 91 of the sub inner panel 63. Sub inner panel 63
Are fixed to the inner panel 65 with bolts or the like in the upper and lower holes 92 of the notch 23. Two inner links 72,
The bent rear end portions 75 and 76 of 73 are inserted (connected) from the opening 89 of the cover 88 into the respective holes 93 of the levers 85 and 86, and the connector 81 on the wire harness side is also connected to the door lock unit from the opening 89. The connector 67 is fitted and connected.

By operating the inner handle 70 shown in FIG. 6, one inner link 73 moves forward and backward, and one inner link 73 moves.
6 is driven, the door latch in the door lock unit 67 is opened, and by operating the lock knob 71, the other inner link 72 moves forward and backward, and the other lever 85 is driven to lock or unlock the door lock. . For example, by operating the switch unit 79 of FIG. 6, a signal is supplied to the connector 81 via the wire harness 78,
The door lock motor operates to lock or unlock the door. Alternatively, the door lock motor operates simultaneously with the start of the vehicle, and the door is automatically locked.

[0009]

However, in the above-described conventional structure, the cover 88 of the door lock unit 67 is provided with a space 95 (FIG. 7) for assembling work inside the cover 88, so that the cover 88 is large. There was a problem of becoming. As a result, the size of the waterproof packing 90 is increased, and there is a concern that the cost of parts may be increased or the waterproof property may be reduced. In addition, the notches 23 and 84 of the sub inner panel 63 and the inner panel 65 corresponding to the opening 89 of the cover 88 are also increased in size, so that the cost for providing the notch 23 is increased and the sub inner panel 63 is provided.
There is a concern that the strength of the inner panel 65 or the inner panel 65 is reduced, and that the degree of freedom in arranging components is reduced. In addition, as shown in FIG. 8, there is a concern that a small gap 55 is easily formed in the waterproof packing 90 at the joint between the inner panel 65 and the sub-inner panel 63, and the waterproofness is likely to be reduced. Also, as shown in FIG.
If the side end is formed with a step (96), the shapes of the inner panel 65, the cover 88 of the door lock unit 67, and the rear half 90a of the packing 90 become complicated, resulting in an increase in cost. .

[0010] In view of the above, the present invention prevents the size and complexity of the cover and packing of the door lock unit to reduce the cost, improve the waterproofness, and improve the sub-inner panel, Door lock unit assembling structure that prevents cost increase and rigidity decrease due to the formation of the notch in the inner panel, and can also eliminate the decrease in waterproofness caused by the joint between the inner panel and the sub-inner panel The purpose is to provide.

[0011]

In order to achieve the above object, the present invention provides a door lock unit provided on a door body, a sub inner panel mounted on the door body, and an inner link on the side of the sub inner panel. In the assembling structure of the door lock unit, which is connected to the operation unit of the door lock unit, the door main body is provided with a window for projecting the operation unit, and the inner side of the operation unit is provided outside the window unit. The link is connected (claim 1). It is also effective that the connector of the door lock unit projects from the window, and the connector and the wire harness on the side of the sub-inner panel are connected to the connector outside the window (claim 2). It is also effective that the waterproof packing of the cover of the door lock unit closely adheres to the periphery of the window (claim 3). It is also effective that the rear end of the sub-inner panel is linearly continuous vertically and the inner link and the connector of the wire harness project rearward from the rear end (claim 4). It is also effective that the periphery of the window portion of the door main body is formed flat, and the waterproof packing is in close contact with the periphery of the window portion on the same plane (claim 5).

[0012]

Embodiments of the present invention will be described below in detail with reference to the drawings. 1 to 5 show one embodiment of a door lock unit assembling structure according to the present invention.

In FIG. 1, reference numeral 1 denotes a metal door body;
Shows a sub-inner panel assembly including a sub-inner panel 3 made of synthetic resin. The door body 1 is composed of an outer panel 4 and an inner panel 5, and the inner panel 5 is composed of a peripheral wall 6 surrounding the front, rear and lower three sides, and a flange wall 7 extending inward from the peripheral wall 6. . Relatively small window of vertical rectangle (opening) 8 is provided on the flange walls ₇₁ of the rear side.

As shown in FIG. 2, a door lock unit 9 is disposed behind the window 8 (inside the inner panel), and upper and lower levers (operation units) 10 and 11 of the door lock unit 9 are provided.
When projects from the lower side of the connector 12 Togamado portion 10 of the lever 11 in flange walls ₇₁ of the sub-inner panel joint surface 7a side.

The width L of the window 8 is set to be slightly larger than the length of the levers 10 and 11 and the width of the connector 12 so as to penetrate the levers 10 and 11 and the connector 12. Following integrally longitudinal wall portion 13 is flange walls ₇₁ on the same plane between an inner peripheral end 7b of the window portion 8 and the flange walls _71, the walls 1
Each of the fixing holes 14 of the sub inner panel 3
Are provided. Up the rigidity of the flange wall 7 ₁ by a relatively small window portion 8 and the wall portion 13,
Fixing strength and the fixing strength of the sub-inner panel 3 of the door lock unit 9 to flange walls ₇₁ is increased.

The connector 12 comprises a female connector housing 16 having a connector fitting chamber 56 and a male terminal 17 projecting into the connector housing 16, and the terminal 17 is a door lock main body 18 (FIG. 3). ) Is connected to a door lock motor (not shown). The connector housing 16 is formed integrally with a synthetic resin case 19 of the door lock main body 18 (FIG. 3). A pair of outer links 20, 21 are connected to the back side of the door lock unit 9, and the outer links 20, 21 are connected to the outer handle 2 of FIG.
2 and a key cylinder (not shown).

The structure of the sub-inner panel assembly 2 shown in FIG. 1 is almost the same as that of the prior art (FIG. 6).
There is no notch 23 (FIG. 6) at the rear end of the sub-inner panel 3, and the rear end 24 of the sub-inner panel 3 continues straight in the vertical direction. At substantially the center of the rear end 24 of the sub inner panel 3 in the height direction, the bent rear ends (tips) 27, 28 of the pair of inner links 25, 26 as shown in FIG.
And a connector 30 for connecting the door lock motor on the rear end side of the wire harness 29 (FIG. 1) are positioned protruding rearward. Rear end 27, 28 of each inner link 25, 26
Are bent at right angles to the outer panel 4 side, and the rear end portions 27 and 28
Are located on substantially the same plane as the door trim facing surface 31 of the sub-inner panel 3.

The connector 30 can protrude from the branch line (electric wire) 32 of the wire harness 29 (FIG. 1) to the outer panel facing surface 33 (FIG. 4) side of the sub inner panel 3 with a slight slack 32a. The connector 30 includes a male connector housing 34 made of synthetic resin and female terminals (not shown) housed in the connector housing 34. The fixing holes 14 of the sub inner panel 3 are provided above and below the pair of inner links 25 and 26 and the branch line 32 of the wire harness 29.

As shown in FIG. 1, the front ends of the inner links 25 and 26 are connected to an inner handle 35 and a lock knob 36. A longitudinally intermediate portion of each of the inner links 25 and 26 is slidably held by a pair of flexible holders 37. The trunk line 38 of the wire harness 29 is routed in a horizontal direction, each branch line 39 is connected to auxiliary equipment such as a switch unit 40 and a speaker 41, and the front end side of the trunk line 38 is connected to a power supply connector via a waterproof grommet 42. It continues to 43. The sub-inner panel 3 is fixed to the inner panel by bolts, locking clips, or the like through surrounding fixing holes 14 and 44. Note that the fixing hole 14 may not be provided near the door lock unit 9, and in the related art (FIG. 7), the sub-inner panel is fixed near the door lock unit to increase the adhesion of the waterproof packing. There is no need, the fixing position is free.

As shown in FIG. 3, an overall view of the door lock unit 9 is provided.
Door main body 18 having a door lock motor (not shown), upper and lower levers 10 and 11 for driving a door latch mechanism 45, a connector 12 connected to the door lock motor, a door lock main body 18 and a lever 10 , 11 and the connector 12, and a cover 46 made of synthetic resin, and a waterproof packing 47 disposed around the cover 46.

The cover 46 has an inner panel 5 flange walls 7 ₁ and the peripheral wall ₆₁ and the consecutive opposed 90 ° direction substantially rectangular opening 48 (FIG. 2), the flange on the periphery of the opening 48 Part 4
9 is formed so as to protrude outward, and a waterproof packing 47 is provided on the surface side of the flange portion 49. The waterproof packing 47 is fitted in, for example, the circumferential groove 50 of the flange 49. Cover 46
There is no step on the side of the opening 48 as in the prior art (FIG. 7).
The flange portion 49 and the waterproof packing 47 is formed straight in the 90 ° direction corresponding to the flange walls ₇₁ and the peripheral wall ₆₁ of the inner panel 5 (Figure 2). Thus, the shape of the cover 46 is simplified as compared with the conventional case (FIG. 7).

The door lock main body 18 is accommodated inside the cover 46, and the front ends of the levers 10 and 11 and the connector 1 are connected.
The front end side of 2 protrudes outward from the opening 48 of the cover 46. In particular, the distal ends of the levers 10 and 11 protrude greatly. As shown in FIG.
A short base 51 protruding from the door lock main body 18, an extension 52 bent at 90 ° from the base 51 along the cover 19 of the door lock main body 18 and extending through the opening 48, It is bent to 90 ° and the opening 48
And front end portions 53 extending forward in parallel with each other, and each of the front end portions 53 is provided with a hole 54 for link connection.

The one part 47a of the waterproof packing 47 is in close contact with the rear surface of the flange walls ₇₁ as shown in FIG. 4 at the periphery of the window portion 8 of the inner panel 5 of FIG. In other words, close contact with the flange walls ₇₁ in the horizontal upper and lower upper portion 47a ₁ and the lower side portion 47a ₂ Togazu second window portion 8 of the waterproof packing 47, is vertical front portion 47a ₃ of the waterproof packing 47, the window It is in close contact with the wall 13 that follows the front of the part 8. Other part 47b of the waterproof packing 47 is in close contact with the back surface of the peripheral wall ₆₁ of the inner panel 5 (Figure 2). Figure 5 is an enlarged view of a portion A of FIG. 4, the other portion 47b of the waterproof packing 47 is in close contact sandwiched between the peripheral wall ₆₁ of the flange portion 49 and the inner panel 5 of the cover 46. This sealing form is a waterproof packing 47 (FIG. 3).
The same applies to the one part 47a of (is different point in close contact with the flange walls ₇₁ on behalf of the peripheral wall _61). In FIG. 4, the door lock unit 9 is fixed to the inner panel 5 by fixing means (not shown).

The close contact of the waterproof packing 47 to the inner panel 5 is performed at the same time when the door lock unit 9 is assembled to the inner panel 5. In the related art (FIG. 7), the sub inner panel is attached to the waterproof packing by assembling the sub inner panel to the inner panel. However, the notch 23 (FIG. 7) of the conventional sub inner panel is abolished. 2
As described above, the levers 10, 11 and the connector 12 protrude from the window portion 8 of the inner panel 5, so that the waterproof packing 47 can be brought into close contact with the periphery of the window portion 8, and the door lock can be made independently of the sub inner panel 3. The inside of the unit can be waterproofed.

As a result, unlike the related art (FIG. 8), a small gap 55 does not occur at the boundary between the sub inner panel and the inner panel, and the waterproof property is improved. After assembling the door lock unit 9 to the inner panel 5 and before assembling the sub inner panel 3, there is no need to worry about water droplets or dust entering the door lock unit 9.

As shown in FIG. 4, since the levers 10 and 11 and the connector 12 protrude from the window 8 of the inner panel 5,
The operator can easily and reliably visually recognize the holes 54 (FIG. 2) of the levers 10 and 11 and the tip of the connector 12, that is, the opening of the connector fitting chamber 56.
After assembling to the inner panel 5, the inner link 25,
The bent rear end portions 27 and 28 of 26 can be very easily inserted into the respective holes 54 of the levers 10 and 11, and the connectors 12 and 30 can be positioned and fitted with each other very easily.

The inner links 35 and 36 and the lever 1
The work of connecting 0 and 11 and the work of connecting the connectors 12 and 30 can be performed using the wide space 57 outside (inside the room) of the window 8 of the inner panel 5, so that workability is extremely good. Incidentally, the tip of the connector 12 may be located within the thickness of the flange walls ₇₁ at the window portion 8 as shown in FIG. 4, the work is possible to completely protruded outward from the window portion 8 preferably.

Further, since there is no need to provide a work space inside the cover of the door lock unit unlike the related art (FIG. 7), the cover 46 is downsized, and the door lock unit 9 is downsized accordingly. . Since the cover 46 is small, the waterproof packing 47 is also small as compared with the related art, and the cost of the cover 46 and the waterproof packing 47 is reduced. Even if there is, waterproofness is secured.

In FIG. 4, the connector 30 on the side of the wire harness 29 is bent by the slack portion 32a of the branch line 32.
Mating connector 1 in a direction orthogonal to sub inner panel 3
2 is smoothly fitted and connected. In FIG. 4, 59 is a window glass, 22 is an outer handle, 60 is a key cylinder portion, and 20, 21 are outer links. Outer link 2
A waterproof plug or the like (not shown) is inserted at the intersection of the covers 0 and 21 and the cover 46 of the door lock unit 9. Water droplets that have entered the outer panel 4 from the window glass 59 are waterproofed by the cover 46, and are reliably prevented from entering the door lock unit 9.

The outer links 20, 21 and the inner links 25, 26 are not limited to metal link rods, but may be link wires. Especially the inner links 25, 26
By projecting the levers 10 and 11, which are mating side connecting portions, from the window 8 of the inner panel 5, for example, the hook portion fixed to the tip of the link wire can be connected to the hole 5 of the lever 10 or 11.
4 can be easily inserted (connected).

[0031]

As described above, according to the first aspect of the present invention, since the operating portion of the door lock unit projects from the window of the door body, the operator can easily check the operating portion.
The inner link can be easily and reliably connected to the operation unit. Accordingly, the number of connection work steps is reduced, and connection failure is prevented. In addition, since the connecting operation can be performed using a wide space outside the window portion, the connecting operation can be easily performed, and it is necessary to secure a working space inside the door lock unit as in the related art. Since there is no door lock unit, the size of the door lock unit is reduced, the space in the door body is reduced, the cost of the door lock unit is reduced, and the waterproofness of the door lock unit is improved. Further, the rigidity of the door body is increased by the window portion as compared with the conventional cutout portion, and the fixing strength of the door lock unit is increased.

According to the second aspect of the present invention, since the connector of the door lock unit projects from the window of the door body, an operator can easily confirm the connector, and the connector on the wire harness side can be connected to the connector. It can be easily fitted and connected. As a result, the number of man-hours for connecting the connector is reduced, and a poor connection is prevented. The connection work can be performed using the large space outside the window, which not only simplifies the connection work but also eliminates the need to secure a work space inside the door lock unit as in the past. In addition, the size of the door lock unit is reduced, so that the space inside the door body is reduced, the cost of the door lock unit is reduced, and the waterproofness of the door lock unit is improved.

According to the third aspect of the present invention, the waterproof packing of the cover closely adheres to the periphery of the window, so that water and dust can be reliably prevented from entering the cover from the periphery of the window. Of course, the waterproof packing adheres only to the door body,
Since there is no close contact with the sub-inner panel as in the related art, there is no gap in the waterproof packing at the boundary between the door body and the sub-inner panel, and the waterproofness is significantly improved.

According to the fourth aspect of the present invention, the rear end of the sub-inner panel is vertically linearly continuous, and the notch for inserting the inner link and the connector in the conventional sub-inner panel is eliminated. Therefore, the rigidity of the sub-inner panel is increased, and the effective surface area of the sub-inner panel is increased, so that the degree of freedom in mounting parts is increased.

According to the fifth aspect of the present invention, since the periphery of the window portion of the door body is formed flat and the step of the conventional door body is eliminated, the packing is not bent along the step and is flat. , Which improves the waterproofness, simplifies the shape of the packing and the cover, and reduces the cost of parts.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a door main body and a sub-inner panel of an automobile door including an embodiment of an assembling structure of a door lock unit according to the present invention.

FIG. 2 is an exploded perspective view showing a main part of an assembling structure of the door lock unit.

FIG. 3 is a perspective view showing a door lock unit.

FIG. 4 is a longitudinal sectional view showing an assembled state of an automobile door including an assembling structure of a door lock unit.

FIG. 5 is an enlarged view of a portion A in FIG. 4 showing a contact portion of a waterproof packing.

FIG. 6 is an exploded perspective view showing a door body and a sub-inner panel of an automobile door including a conventional door lock unit assembling structure.

FIG. 7 is an exploded perspective view showing a main part of a conventional door lock unit assembling structure.

FIG. 8 is a longitudinal sectional view showing a contact portion of a conventional waterproof packing.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door main body 3 Sub inner panel 8 Window part 9 Door lock unit 10, 11 Lever (operation part) 12, 30 Connector 24 Rear end 25, 26 Inner link 29 Wire harness 46 Cover 47 Waterproof packing

 ──────────────────────────────────────────────────続 き Continued on the front page F term (reference) 2E250 AA21 HH02 JJ10 JJ43 KK01 KK02 LL01 LL02 MM03 PP02 PP12 PP13 PP14 PP15 QQ05 QQ09

Claims (5)

[Claims] A door lock unit provided on the door body, a sub-inner panel mounted on the door body, and an inner link on the sub-inner panel side connected to an operating portion of the door lock unit. In the assembling structure, the door main body is provided with a window for projecting the operation unit, and the inner link is connected to the operation unit outside the window unit. Construction. 2. The connector of the door lock unit protrudes from the window, and the connector is connected to the wire harness on the side of the sub-inner panel outside the window. Assembly structure of the door lock unit. 3. The door lock unit assembling structure according to claim 1, wherein a waterproof packing of a cover of the door lock unit is in close contact with a peripheral edge of the window portion. 4. A rear end of the sub-inner panel is linearly continuous vertically, and the inner link and the connector of the wire harness project rearward from the rear end. Assembly structure of the described door lock unit. 5. The door lock unit according to claim 3, wherein the periphery of the window portion of the door body is formed flat, and the waterproof packing is in close contact with the periphery of the window portion on the same plane. Assembly structure.