JP3324687B2 - Door lock knob cover mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mounting structure of a door lock knob cover installed on a door lining, and more particularly, to a mounting structure of a door lock knob cover capable of securely fixing a door lock knob cover and a weather strip.

[0002]

2. Description of the Related Art As shown in FIGS. 6 and 7, a door lining 1 provided inside a door panel of a vehicle is provided with a skin material 3 on a surface of a core material 2 having shape retention and rigidity for mounting to the door panel.
The door lining 1 has a built-in regulator mechanism for raising and lowering the door window glass and a door lock mechanism for locking the door. Lock knob 4 and door lock knob 4 for door lock operation
A door lock knob cover 5 that covers the periphery of the door lock knob is provided.

Further, the door lining 1 is provided with a weather strip 6 for sealing a door window glass (not shown), and a waist flange 7 for attaching the weather strip 6 is provided integrally when the core material 2 is formed. Have been.

In order to attach the door lock knob cover 5 to the door lining 1, an insertion hole 1a for fitting the door lock knob cover 5 into the door lining 1 is opened, and a core material below the insertion hole 1a is provided. Ultrasonic bosses 2a are formed upright on the back surface of the plate 2.

Then, the door lock knob cover 5 is inserted into the insertion hole 1a of the door lining 1, and the ultrasonic boss 2a is inserted into the mounting hole 5a of the door lock knob cover 5, and the tip of the ultrasonic boss 2a is fixed by caulking. Then, the door lock knob cover 5 is attached and fixed to the door lining 1 in reality.

[0006]

As described above, in the conventional mounting structure of the door lock knob cover 5, the ultrasonic boss 2a is erected on the back surface of the door lining 1 and is provided in the mounting hole 5a of the door lock knob cover 5. After the ultrasonic boss 2a is inserted, the distal end portion is caulked and fixed. Therefore, when the door lining 1 is formed, the ultrasonic boss 2a is formed.
As shown in FIG. 8, a notch 7a has to be set in the waist flange 7, and the strength of the waist flange 7 is reduced by the notch 7a. In particular, since a mounting hole for the weather strip 6 cannot be formed at the end portion of the waist flange 7, it is difficult to securely support and fix the weather strip 6 at the end portion, and the weather strip 6 is rattled or uncomfortable due to vibration during running. However, there is a problem that it is easy to occur.

Further, since the door lock knob cover 5 has a fixed point on the lower side, it is pointed out at the same time that the door lock knob cover 5 is loose due to the operation of the door lock knob 4 and a smooth locking operation cannot be expected. Was.

The present invention has been made in view of such circumstances, and in a mounting structure of a door lock knob cover installed around a door lock knob, the door lock knob can be securely fixed without rattling, and the door lock operation can be performed easily. The present invention provides a door lock knob cover mounting structure that can reliably support and fix a weather strip around a door lock knob cover, does not generate unpleasant noise due to rattling of the weather strip, and can expect a smooth operation of raising and lowering a window glass. It is an object.

[0009]

In order to achieve the above object, the present invention provides a door lock knob cover for covering a periphery of an insertion hole of a door lock knob installed at a waist portion of a door lining provided inside a door panel. In the mounting structure, a holding piece provided on one end side of the bracket is held and fixed to the waist flange of the door lining, and the mounting piece provided on the other end side of the bracket is located on the back side of the door lock knob cover, The door lock knob
At the back of the cover and almost vertically in the vehicle
Near the center of gravity of the center part, fix the door lock knob cover
The door lock knob cover at the fixing point.
Is fixed to the mounting piece of the bracket.

Here, the door lining is composed of a laminated structure of a resin core material formed into a required shape and a skin material adhered to the surface of the resin core material, and the resin core material is polypropylene. Suitable for general-purpose synthetic resin such as (PP) resin and ABS resin, and general-purpose synthetic resin mixed with filler such as talc and charcoal to enhance rigidity, and required shape by injection molding or mold press molding The skin material may be integrally molded at the time of molding, or the skin material may be integrated in a later step by vacuum molding or the like after molding the resin core material.

Next, the door lock knob cover set around the door lock knob is made of an injection-molded article of a synthetic resin such as PP resin or ABS resin, and is located on the back side of the door lock knob.
On the back of the door lock knob cover
An attachment fixing point is set substantially near the center of gravity in the vertical direction .

The door lock knob cover is attached to the door lining via a bracket. That is, this bracket is formed by bending a metal plate into a required shape, a U-shaped holding piece is formed on one side to be held by a waist flange of a door lining, and a door lock knob cover is mounted on the other side. A mounting piece provided with a mounting hole is formed.

Therefore, if the holding piece provided on one end side of the bracket is pressed into the waist flange of the door lining and fixed to the door lining, the mounting piece on the other side of the bracket is brought into contact with the rear surface of the door lock knob cover. Since the shape of the bracket is set so as to come into contact with the bracket, the mounting hole of the door lock knob cover and the mounting hole of the bracket may be matched, and then both may be fixed with screws or the like.

[0014] As apparent from the above configuration, the door lock knob cover is fixed to the door lining through the bracket, in which, on the rear portion of the door lock knob cover
Since the portion near the center of gravity of the door is set as the fixing point, the door lock knob cover does not rattle during the door locking operation, as compared with the conventional case where the lower side is set as the fixing point.

Furthermore, since the conventional ultrasonic boss is abolished, there is no need to cut out the ultrasonic boss and set a notch in the waist flange, so that the rigidity of the waist flange for attaching the weather strip can be maintained firmly. In addition, the weatherstrip mounting hole can be set at the end of the waist flange.

In addition, when molding the door lining, the conventional slide sesame for installing the ultrasonic boss is not required, and the molding die structure can be simplified.

[0017]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a door lock knob cover mounting structure according to the present invention will be described below in detail with reference to the accompanying drawings.

1 to 3 show a first embodiment of the present invention. FIG. 1 is an external view of a door lining, FIG. 2 is a sectional view showing a mounting structure of a door lock knob cover in the door lining, and FIG. FIG. 3 is an exploded perspective view showing a mounting structure of the door lock knob cover.

FIGS. 4 and 5 show a second embodiment of the present invention. FIG. 4 is a sectional view showing a mounting structure of a door lock knob cover, and FIG. 5 is a perspective view showing the mounting structure.

First, a first embodiment of the present invention will be described with reference to FIGS. 1 to 3. In the drawings, a door lining 10 is provided on a surface of a resin core 11 formed into a required curved surface with a skin 12 The door lock knob 20 is installed at the waist portion 13 and the waist flange 14 of the waist portion 13 is formed.
Is provided with a weather strip 15 for sliding contact with a door window glass (not shown).

More specifically, a polypropylene resin mixed with talc is used as the resin core material 11,
A PVC sheet (a PVC sheet lined with a foam layer of polyethylene foam or the like can be used if desired) is used as the skin material 12, and the skin material 12 is integrated when the resin core 11 is subjected to mold press molding.

The present invention relates to a door lining 10
Is characterized in that the door lock knob cover 21 covers the periphery of the door lock knob 20 installed on the waist portion 13. The door lock knob cover 21 can be securely fixed and the weather strip 15 near the door lock knob cover 21 can be fixed. The purpose is to ensure that the support is firm.

For this purpose, as shown in FIGS. 2 and 3, the door lock knob cover 21 is attached to the door lining 10 via a bracket 30. More specifically, the door lock knob cover 21 is formed by injection of PP resin or the like. A mounting hole 22 is formed on the rear side of the door lock knob 20 which is formed of a molded body and is normally hidden by the door lock knob 20. The mounting hole 22 is set near the center of the door lock knob cover 21, that is, near the center of gravity. Have been.

On the other hand, the bracket 30 is formed by bending a metal plate, and at one end side, a holding piece 31 serving as a mounting portion to the door lining 10 is formed in a U-shape.
A mounting piece 32 for mounting the door lock knob cover 21 is set on the other end side. That is, door lining 1
No. 3 of bracket 30 on waist flange 14
1 so as to sandwich it, and
0 is attached to the waist flange 14, the bracket 3 is located on the lower side of the rear edge of the insertion hole 16 of the door lining 10 (where the rear surface of the door lock knob cover 21 is located).
The 0 attachment piece 32 is positioned.

Then, the door lock knob cover 21 is inserted into the insertion hole 16 and the mounting piece 32 of the bracket 30 is inserted.
The door lock knob cover 21 can be firmly fixed to the door lining 10 by aligning the mounting hole 33 provided on the door lock knob cover 21 with the mounting hole 22 and tightening the screw 23.

Therefore, since the door lock knob cover 21 has the fixing point set at the center, that is, near the center of gravity, when the door lock knob 20 is operated, the door lock knob cover 21 does not rattle, and the door lock operation is smooth. Can be expected.

Further, since the door lock knob cover 21 is attached to the door lining 10 via the bracket 30, there is no need to provide an ultrasonic boss on the back side of the door lining 10 unlike the conventional case. The waist flange 14 can be set over the entire length of the weather strip 15 without removing the mold during molding and providing the waist flange 14 with a notch or the like, and the rigidity of the waist flange 14 is not reduced. Attachment portions can also be set at the longitudinal end portions of the strip 15, and the weather strip 15 can be firmly attached to the waist flange 14.

The bracket 30 can also prevent the waist flange 14 from warping due to thermal deformation or the like, and can always maintain a constant sliding resistance between the weather strip 15 and a door window glass (not shown). Can be expected. In addition, since the conventional ultrasonic boss is abolished, the slide sesame conventionally required becomes unnecessary, and the molding die structure of the door lining 10 can be simplified, which contributes to cost reduction.

Next, FIGS. 4 and 5 show a second embodiment of the present invention. The same parts as those in the first embodiment are denoted by the same reference numerals, and the detailed description thereof will be omitted. In the second embodiment, an embossed portion 17 that is recessed toward the door lock knob cover 21 is formed in a portion of the waist flange 14 where the bracket 30 is held.

As described above, in the present embodiment, since the embossed portion 17 is formed, the rigidity of the waist flange 14 is further enhanced by the reinforcing rib function of the embossed portion 17, and the deformation of the waist flange 14 is more effectively suppressed. Thus, the weather strip 15 can be firmly supported, and, for example, in FIG. 5, when the depth dimension of the waist portion 13 is different depending on the vehicle type, the same amount of embossed portion 17 is Bracket 3
There is an advantage that 0 can be shared.

[0031]

As described above, the present invention has the following special functions and effects.

(1) According to the first aspect of the present invention, since the central portion (near the center of gravity) of the door lock knob cover is attached and fixed to the door lining via the bracket, the door lock knob is frequently operated. However, there is an effect that the door lock knob cover does not rattle and smooth operation of the door lock knob can be expected.

(2) According to the first aspect of the present invention, since the door lock knob cover is attached and fixed to the door lining via the bracket, the conventional ultrasonic boss can be eliminated, so that It is not necessary to set the notch in the waist flange, the waist flange can be maintained well, the weather strip can be firmly attached, and the terminal portion of the weather strip can be fixed, so that the door can be fixed. When the window glass is raised and lowered, the sliding resistance between the door window glass and the weather strip can be constantly maintained at a constant level, so that a smooth door window glass raising and lowering operation can be expected.

(3) According to the first aspect of the invention, since the door lock knob cover is attached and fixed to the door lining via the bracket, the bracket prevents the waist flange of the door lining from being deformed by the bracket. This also has the effect of contributing to smooth operation of raising and lowering the door window glass.

(4) According to the first aspect of the present invention, since the door lock knob cover is attached and fixed to the door lining via the bracket, the ultrasonic boss is connected to the resin core of the door lining as in the prior art. There is no need to integrally mold the back surface of the material, and there is no need to remove the necessary sesame from the ultrasonic boss, thereby simplifying the molding die and contributing to cost reduction.

(5) According to the second aspect of the present invention, since the embossed portion is set in the waist flange at the place where the bracket is held, the rigidity of the waist flange can be further enhanced.
By adjusting the emboss amount of the embossed portion, there is an effect that the same bracket can be shared even when the depth dimension of the waist portion differs depending on the vehicle type.

[Brief description of the drawings]

FIG. 1 is an external view of a door lining showing a first embodiment of a door lock knob cover mounting structure according to the present invention.

FIG. 2 is a sectional view taken along line II-II in FIG.

FIG. 3 is an exploded perspective view showing a first embodiment of a door lock knob cover mounting structure according to the present invention.

FIG. 4 is a sectional view showing a second embodiment of the present invention.

FIG. 5 is an explanatory view showing the mounting structure shown in FIG. 4;

FIG. 6 is an external view showing a conventional door lining.

FIG. 7 is a sectional view taken along line VII-VII in FIG. 6;

FIG. 8 is an explanatory view showing a waist flange near a conventional door lock knob cover.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Door lining 11 Resin core material 12 Skin material 14 Waist flange 15 Weather strip 17 Emboss part 20 Door lock knob 21 Door lock knob cover 30 Bracket 31 Clamping piece 32 Mounting piece 33 Mounting hole

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B60J 5/00 E05B 1/00 301

Claims (2)

(57) [Claims] 1. A mounting structure of a door lock knob cover (21) for covering a peripheral edge of an insertion hole (16) of a door lock knob (20) installed at a waist portion of a door lining (10) provided on the interior surface of a door panel. The waist flange (1) of the door lining (10)
4), a clamping piece (31) provided at one end of the bracket (30) is clamped and fixed.
0), the mounting piece (32) provided on the other end side is located on the back side of the door lock knob cover (21), and the door lock knob
On the back of the vehicle cover (21) and in the vertical direction of the vehicle.
Door lock knob cover near the center of gravity in the approximate center
The fixed point (22) of (21) is set, and the fixed point is set.
A door lock knob cover mounting structure , wherein a door lock knob cover (21) is fixedly attached to a mounting piece (32) of a bracket (30) by a bracket (22) . 2. An embossed portion (17) facing the door lock knob cover (21) is formed at a place where the bracket (30) is installed on the waist flange (14) of the door lining (10), and the door lock knob cover (2) is formed.
2. The door lock knob cover mounting structure according to claim 1, wherein the distance between the back surface and the waist flange portion is kept constant.