JP2972129B2 - Pull handle mounting structure for door trim - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure for mounting a pull handle in a door trim composed of upper and lower two-pieces, and to improve the workability of assembling and to reliably prevent appearance defects such as floating and clearance. The present invention relates to a structure for mounting a pull handle in a door trim.

[0002]

2. Description of the Related Art Normally, various interior parts are installed in the interior of an automobile. FIG. 11 shows an automobile door trim 1 installed in a door panel. In many cases, the door trim 1 is provided with an armrest 4 formed by swelling the trim upper 2 toward the indoor side so as to smoothly open and close the door. A pull handle 5 is attached and fixed.

As a conventional example of a structure for fixing the pull handle 5, as shown in FIG. 12, for example, a pedestal 6 is provided on the inner surface of the trim upper 2, a spring nut 7 is inserted into the pedestal 6, and a pull handle is provided. 13 and a pedestal 8 is formed on the upper edge of the trim lower 3, and a spring nut 7 is inserted in the same manner as shown in FIG. 13, and the pull handle 5 is connected via the tapping screw 5a. There is known a configuration in which the fastening is performed.

[0004]

As described above, in order to attach the pull handle 5 to the door trim 1 composed of the upper and lower two-piece body, the pedestals 6, 8 are set on either the trim upper 2 or the trim lower 3, and the pull handle is set. For example, the pull handle 5 is fixed to the pedestal 6 provided on the trim upper 2 via the spring nut 7.
When the tapping screw 5a is tightened when the pull handle 5 is mounted, the trim upper 2 is deformed, and as shown in FIG. 14, the trim upper 2 is provided between the pull handle 5 and the surface of the armrest 4 as shown in FIG. There was a problem such as occurrence of squealing, remarkable reduction of appearance, generation of rattling noise, and the like.

[0005] Further, in the configuration in which the pull handle 5 is fixed to the pedestal 8 provided on the trim lower 3 via the spring nut 7 as shown in FIG. 13, stress concentrates on the joint between the trim upper 2 and the trim lower 3. In addition, the lower edge of the trim upper 2 is easily deformed, a gap A is generated at a joint portion between the trim upper 2 and the trim lower 3, and the appearance is deteriorated. In particular, in the trim lower 3 where injection moldings of synthetic resin are often used. When the plate thickness is set to be large to secure the rigidity of the pedestal 8, sink B is likely to be generated on the surface,
If the thickness of the pedestal 8 is reduced to prevent sink marks B, the strength of the pedestal 8 cannot be guaranteed.

SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and in a pull handle mounting structure for mounting a pull handle on a door trim consisting of upper and lower divided bodies.
When attaching the pull handle, the trim upper does not deform, and there is no gap around the pull handle or the joint between the trim upper and the trim lower,
An object of the present invention is to provide a mounting structure for a pull handle in a door trim, which can ensure good appearance design and can improve the workability of assembling a trim upper and a trim lower.

[0007]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a door trim by joining a trim upper and a trim lower comprising a two-piece upper and lower body and an insertion opening formed in the trim upper. In the pull handle mounting structure in the door trim in which the pull handle is mounted, a pedestal plate is provided on the lower edge of the trim upper and the upper edge of the trim lower in a horizontal direction on the back side, and these pedestal plates are stacked. After fitting and holding with a substantially U-shaped spring nut, insert the pull handle into the insertion opening of the trim upper, and tighten and fix the tapping screw inserted into the mounting hole on the bottom of the pull handle to the spring nut. It is characterized by.

Here, the door trim is divided into a trim upper and a trim lower which are divided into upper and lower parts.
The trim upper and trim lower have an appearance accent.For example, the trim upper is composed of a laminate in which a skin material is adhered to the surface of a core formed in a required shape, and the trim lower is formed by injection molding of synthetic resin. It is desirable to use.

Further, as a mounting portion of the pull handle,
A pedestal plate is set on the lower edge of the trim upper. On the trim plate on the trim upper side, flanges are set on both sides to enhance rigidity, or reinforcing ribs are set on the lower surface.

On the other hand, the pedestal on the trim lower side may be a pedestal plate extending horizontally from the upper edge of the trim lower to the back side. However, if a box-shaped pedestal is set and the upper surface is used as the pedestal plate, rigidity is improved. Can be strengthened,
By inserting the pedestal plate on the trim upper side into the box-shaped pedestal, positioning can be performed when the trim upper and the trim lower are assembled.

The spring nut clamps and fixes the pedestal plate of the trim upper and the pedestal plate of the trim lower. In order to enhance the workability of mounting the spring nut, the pedestal plate on the trim upper side is used for locating. Reinforcing ribs which also serve as steps and positioning may be formed.

Further, if a hook portion is provided at the leading edge of the pedestal plate on the trim upper side to be engaged with an edge of the pedestal on the trim lower side, sufficient rigidity to withstand the pulling handle even if it is pulled forward. Can be secured.

As is apparent from the above configuration, in the pull handle mounting structure according to the present invention, pedestals are set on both the trim upper and the trim lower, which are composed of upper and lower halves, and both pedestal plates are sandwiched by spring nuts. It is a structure that tightens and fixes the tapping screw of the pull handle to this spring nut, so that the load at the time of tapping screw tightening is not excessively applied to one side of the trim upper and trim lower unlike the conventional No deformation occurs.

Furthermore, if the pedestal on the trim lower side is set in a box shape, the trim upper and the trim lower can be securely joined by inserting the trim upper pedestal into the trim lower pedestal.

[0015]

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

FIG. 1 is a front view showing an automobile door trim to which the pull handle mounting structure according to the present invention is applied, FIG. 2 is a sectional view showing the automobile door trim, and FIG. 3 is a pull handle mounting structure according to the present invention. Explanatory diagram showing one embodiment,
FIG. 4 is a perspective view showing one embodiment of the pull handle mounting structure as viewed from the back side, and FIGS. 5 to 7 show the pull handle mounting structure according to the present invention. 8 to 10 are explanatory views showing another embodiment of the pull handle mounting structure according to the present invention.

1 and 2, an automobile door trim 10 according to the present invention is composed of a trim upper 20 and a trim lower 30 which are vertically divided into two parts.

More specifically, taking into account the effect of the appearance of the trim upper 20 and the trim lower 30 on the appearance and the fact that the trim upper 20 is a part that can be easily touched by the occupant, the trim upper 20 is configured as a protective member. It is composed of a laminated structure in which a skin material 22 having good cushioning property and feel is attached to the surface of a core material 21 having a shape, and the trim lower 30 can be freely set to an arbitrary curved surface shape. It is composed of an injection molded body.

The vehicle door trim 10 has a case-shaped pull handle 40 used when opening and closing the door.
The feature of the present invention is to prevent the deformation of the door trim 10 when attaching the pull handle 40,
It is another object of the present invention to ensure a good appearance and to improve the workability of assembling the trim upper 20 and the trim lower 30.

That is, the case-shaped pull handle 40
Is formed by injection molding of a general-purpose synthetic resin such as ABS resin or PP resin, and the trim upper 20 is fitted and fixed in an insertion opening 24 formed on the upper surface of an armrest portion 23 bulging into the interior of the vehicle. By fixing the pull handle 40 to both the trim upper 20 and the trim lower 30 together, various problems in the related art can be solved.

3 and 4, an embodiment of the pull handle mounting structure according to the present invention will be described. A pedestal 50 is formed on the lower edge 25 of the trim upper 20 so as to protrude toward the rear surface. The pedestal 50 is a pull handle 4
A pedestal plate 51 serving as a mounting seat and a flange 52 for securing rigidity are formed integrally on both sides of the pedestal plate 51 to form a U-shaped cross section, and a mounting hole 53 is opened substantially at the center of the pedestal plate 51.

The pedestal 50 may be integrally formed when the core 21 of the trim upper 20 is subjected to injection molding or stamping molding.

The trim lower 30 has a step 31 for receiving the lower edge 25 of the trim upper 20 in this embodiment.
0, a box-shaped pedestal 60 is formed toward the back side, and this pedestal 60 is
An opening 61 for inserting the pedestal 50 is formed on the front side, and the top plate functions as a pedestal plate 62,
A mounting slit 63 is formed at the center of the pedestal plate 62.

The spring nut 70 for sandwiching the pedestal plates 51, 62 of the pedestals 50, 60 sandwiches the pedestal plates 51, 62 between the upper leg piece 71 and the lower leg piece 72, and resiliently retains the elastic force. But the upper leg piece 71
Has a tapping screw 41 for mounting a pull handle.
The lower leg piece 72 is provided with a screw hole 74 for fastening the tapping screw 41.

Although not shown, the trim upper 20
And the trim lower 30 are joined by the trim upper 20
A mounting boss protrudes from the lower surface of the lower end of the boss, and a step corresponding to the boss length of the mounting boss is formed on the upper end of the trim lower 30. By screwing a screw into the boss hole of the boss from the back side of the trim, the trim upper 20 and the trim lower 30 are fixed.
Are fixedly joined.

Further, a welding peg is erected on the back surface on the lower end side of the trim upper 20, the welding peg is inserted into a mounting hole of the trim lower 30, and the tip of the peg is thermally caulked, so that the trim upper 20 is formed. The trim lower 30 may be joined and fixed.

Next, the pull handle 40 is connected to the door trim 10.
The work procedure for attaching to the device will be described first.
As shown in the figure, the trim upper 20 and the trim lower 30 are positioned, and the pedestal 50 of the trim upper 20 is inserted into the box-shaped pedestal 60 of the trim lower 30, and the trim is placed on the lower surface of the pedestal plate 62 of the pedestal 60 on the trim lower 30 side. The pedestal plate 51 of the pedestal 50 on the upper 20 side is overlapped.

Next, as shown in FIG. 6, a spring nut 70 having a U-shaped cross section is inserted in the direction of the arrow in the figure, and the pedestal plates 51, 62 of the pedestals 50, 60 are clamped and fixed by the spring nut 70.

Therefore, as shown in FIG. 7, an insertion opening 24 provided in the armrest 23 of the trim upper 20 is provided.
After fitting the case-shaped pull handle 40 through
The tapping screw 41 is inserted into the mounting hole 42 on the bottom surface of the pull handle 40, and tightened into the screw hole 74 of the spring nut 70 through the insertion hole 73 of the spring nut 70 and the mounting holes 63 and 53 of the pedestal plates 51 and 62. By fixing the pull handle 4 as shown in FIG.
0 is completed.

As described above, since the pull handle 40 is provided to the pedestals 50 and 60 provided on the trim upper 20 and the trim lower 30 through the spring nut 70, when the tapping screw 41 is tightened,
Since a uniform tightening force acts on the trim upper 20 and the trim lower 30, the trim upper 20 and the trim lower 3
No stress is concentrated on the joint portion of No. 0, no skidding occurs at the joining portion, and no skidding occurs at the periphery of the pull handle 40.

Therefore, the floating, bleeding, etc., which have conventionally occurred, can be eliminated, and the appearance design can be significantly improved.

Furthermore, if the pedestal 50 on the trim upper 20 side is inserted through the opening 61 of the box-shaped pedestal 60 formed in the trim lower 30, the trim upper 20 and the trim lower 30 are properly positioned. There is an advantage that the positioning work with the trim lower 30 can be easily performed.

8 to 10 show another embodiment of the pull handle mounting structure according to the present invention. In the embodiment shown in FIG.
Each embodiment in which the workability at the time of attaching to 60 is improved is shown.

First, in FIG. 8A, a pedestal 50 formed on the trim upper 20 has a reinforcing rib 54 formed on the lower surface of a pedestal plate 51, and a spring nut 70 is mounted between the reinforcing ribs 54. Therefore, the reinforcing rib 54 also has a function of positioning the spring nut 70.

When the pedestal 50 formed on the trim upper 20 shown in FIGS. 8B and 8C is inserted into the box-shaped pedestal 60 on the trim lower 30 side, the leading edge of the pedestal 50 is exposed to the outside. The projecting dimension of the pedestal 50 is set to
Is set to be larger than the dimension, and a step 55 for mounting the spring nut 70 is formed. If the spring nut 70 is inserted along this step, there is an advantage that the spring nut 70 can be quickly positioned at an appropriate position. .

Next, in the embodiment shown in FIG. 9, a hook portion 56 is formed at the leading edge of the pedestal plate 51 of the pedestal 50 on the trim upper 20 side, and the hook portion 56 forms an edge portion of the pedestal 60 on the other side. , Sufficient rigidity is secured against an external force applied in the detaching direction.

In each of the above embodiments, the pedestal 60 provided on the trim lower 30 side is set in a box shape. However, as shown in FIG.
2, the pedestal plate 62 of the trim lower 30 is superimposed on the lower surface of the pedestal plate 51 on the trim upper 20 side, and is clamped and fixed by a spring nut 70.
The pull handle 40 may be tightened and fixed through the tapping screw 41, but in this case, the spring nut 7
It is necessary to ensure sufficient strength of 0.

The triangular ribs 57 and the trim lower 30 on both sides of the pedestal plate 51 on the trim upper 20 side.
The triangular ribs 64 on both sides of the side pedestal plate 62 have the advantage that the rigidity of each of the pedestal plates 51 and 62 is enhanced and the lateral displacement of the spring nut 70 can be prevented.

[0039]

As described above, the pull handle mounting structure in the door trim according to the present invention has the following special effects.

(1) The pull handle mounting structure according to the present invention has a structure in which pedestals are set on both the trim upper and the trim lower, and the pull handles are jointly fastened to both pedestals via a spring nut. When the pull handle is installed, the tightening force of the tapping screw is uniformly applied to both the trim upper and the trim lower, so that the trim upper and the trim lower are not deformed. This has the effect that the appearance design can be significantly improved.

(2) The pull handle mounting structure according to the present invention is such that the pull handle is fixedly fastened to the pedestals provided on both the trim upper and the trim lower through a spring nut, so that the pull handle is supported. Is supported by both the trim upper and the trim lower, so that the mounting strength of the pull handle can be enhanced, and the sufficient strength that can withstand repeated use can be guaranteed.

(3) According to the pull handle mounting structure of the second aspect, after the pedestal provided on the trim upper is inserted into the box-shaped pedestal provided on the trim lower, both the pull handle is connected via a spring nut. Since the trim upper and the trim lower are properly fixed to the pedestals, the trim upper and the trim lower are appropriately positioned by the joining operation of the two pedestals, so that the assembling operation can be simplified.

[Brief description of the drawings]

FIG. 1 is an external view showing an automobile door trim to which a pull handle mounting structure according to the present invention is applied.

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

FIG. 3 is an exploded perspective view showing one embodiment of a pull handle mounting structure according to the present invention as viewed from the indoor side.

FIG. 4 is an exploded perspective view of a trim showing an embodiment of the pull handle mounting structure according to the present invention, as viewed from the back side.

FIG. 5 is a cross-sectional view showing one embodiment of the present invention and showing a joined state of a trim upper and a trim lower.

FIG. 6 is a cross-sectional view showing one embodiment of the present invention and showing a state in which a spring nut is inserted.

FIG. 7 is a cross-sectional view showing one embodiment of the present invention and illustrating a fastening process of the pull handle.

FIG. 8 is a perspective view showing the configuration of each pedestal showing another embodiment of the pull handle mounting structure according to the present invention.

FIG. 9 is a perspective view showing the shape of a pedestal used in another embodiment of the pull handle mounting structure according to the present invention.

FIG. 10 is an exploded perspective view showing another embodiment of the pull handle mounting structure according to the present invention.

FIG. 11 is a front view showing an automobile door trim composed of an upper and lower divided body equipped with a pull handle.

FIG. 12 is a cross-sectional view showing a conventional pull handle mounting structure.

FIG. 13 is a sectional view showing a conventional pull handle mounting structure.

FIG. 14 is a cross-sectional view showing a defect of a conventional pull handle mounting structure.

FIG. 15 is a cross-sectional view showing a defect of a conventional pull handle mounting structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Automobile door trim 20 Trim upper 23 Armrest part 30 Trim lower 40 Pull handle 50 Pedestal 51 Pedestal plate 55 Step part 60 Pedestal 61 Opening 62 Pedestal plate 70 Spring nut 74 Screw hole

Claims (4)

(57) [Claims] 1. A door trim (10) is formed by joining a trim upper (20) consisting of upper and lower divided bodies and a trim lower (30), and a trim upper (20).
A lower handle edge (25) of the trim upper (20) and a upper edge (32) of the trim lower (30) in the pull handle mounting structure for mounting the pull handle (40) through the insertion opening (24) opened in the door trim. ) To the pedestal plate (5
1, 62) are protruded from the back side along the horizontal direction. These pedestal plates (51, 62) are overlapped, clamped and held by a substantially U-shaped spring nut (70).
The pull handle (40) is inserted into the insertion opening (24) of the trim upper (20), and the tapping screw (41) inserted into the mounting hole on the bottom surface of the pull handle (40) is tightened and fixed to the spring nut (70). A pull handle mounting structure for a door trim. 2. A box-shaped pedestal (60) is integrally formed with the trim lower (30), and a pedestal plate (51) of the trim upper (20) is inserted through an opening (61) of the pedestal (60). 2. A pull handle mounting structure in a door trim according to claim 1, wherein the upper surface of said (60) is a pedestal plate (62). 3. A step (55) for positioning a spring nut (70) in a pedestal plate (51) formed in a trim upper (20). Pull handle mounting structure for door trim. 4. A hook portion (56) for engaging with a pedestal plate (62) of a trim lower (30) is formed at a leading edge of a pedestal plate (51) formed on a trim upper (20). 4. The pull handle mounting structure for a door trim according to claim 2, wherein: