JP2015006862A - Door opening structure for vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a door opening structure for a vehicle capable of improving appearance quality.SOLUTION: A fitting part 15 formed at a mounting base part 11 of an opening trim 10 is outwardly fitted to a flange 8F. An end part of a first interior material 4 overlaps with an end part of a second interior material 5 from above. A seal lip 12 of the opening trim 10 enters below the first interior material 4 on the first interior material 4 side, and comes in pressure-contact with an upper surface of the second interior material 5 on the second interior material 5 side. At one side part 5J1 of a vehicle width direction outside W2 of the second interior material 5 in a mating part C, an elevation part 20 is formed for holding the seal lip 12 in cooperation with the end part of the first interior material 4. At the one side part 5J1 of the second interior material 5 on the opposite side from the first interior material 4 with the mating part C in-between, the elevation part 20 is formed in an extending manner.

Description

The present invention
A door opening is formed on the side of the vehicle body,
A flange projecting upward is formed on the lower inner periphery of the door opening,
The fitting portion formed on the mounting base of the opening trim is externally fitted to the flange,
The first interior material and the second interior material adjacent in the circumferential direction of the door opening cover the lower inner periphery of the door opening,
In the joint portion of the first interior material and the second interior material, the end portion of the first interior material overlaps the end portion of the second interior material from above,
The opening trim includes a seal lip extending inward in the vehicle width direction from the mounting base,
The seal lip relates to a vehicle door opening structure that enters the lower side of the first interior material on the first interior material side and press-contacts the upper surface of the second interior material on the second interior material side.

In the vehicle door opening structure described above, in order to prevent a passenger from stepping on and damaging the seal lip when getting on and off the vehicle, the seal lip is provided on the first interior material side. It is in the lower part of.
The opening trim is used in common for a plurality of models, and one opening trim is manufactured so as to be compatible with various mating parts such as roof lining and trim. Accordingly, the seal lip of the opening trim comes into pressure contact with the pressed contact portions of various shapes. In addition, the hardness (flexibility) of the seal lip varies from manufacturer to manufacturer. Therefore, it is difficult to predict the shape of the assembled seal lip before assembling the opening trim to the counterpart part.
In the vehicle door opening structure having such an opening trim, as shown in FIG. 8, the rear scuff 4 as the first interior material and the lower end of the center pillar lower trim 5 as the second interior material. A gap S was likely to occur between the seal lip 12 of the opening trim 10 and the one side portion 4J1 of the upper wall 4J of the rear scuff 4 at the mating portion. In FIG. 8, reference numeral 13 is a hollow seal portion of the opening trim 10, Fr is the vehicle front side, Rr is the vehicle rear side, W1 is the vehicle width direction inner side (vehicle interior side), and W2 is the vehicle width direction outer side (vehicle interior outer side). It is. When the gap S is generated, the appearance quality is deteriorated.
As a technique for preventing the seal lip from dropping, there is a technique of Patent Document 1. In the technique of Patent Document 1, the tip end portion of the seal lip is supported by the locking portion of the pillar garnish, and the seal lip is held in a desired posture.

JP 2005-343181 A

However, the above conventional technique is a technique for maintaining the attitude of the seal lip with respect to the pillar garnish as the first interior material, and is not a technique for maintaining an attitude with respect to the second interior material different from the first interior material. Therefore, even if the conventional technique is applied to the vehicle door opening structure described at the beginning, the generation of the gap S (see FIG. 8) cannot be sufficiently prevented, and the appearance quality can be improved. Can not.
The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a vehicle door opening structure that can improve the appearance quality.

The feature of the present invention is that
A door opening is formed on the side of the vehicle body,
A flange projecting upward is formed on the lower inner periphery of the door opening,
The fitting portion formed on the mounting base of the opening trim is externally fitted to the flange,
The first interior material and the second interior material adjacent in the circumferential direction of the door opening cover the lower inner periphery of the door opening,
In the joint portion of the first interior material and the second interior material, the end portion of the first interior material overlaps the end portion of the second interior material from above,
The opening trim includes a seal lip extending inward in the vehicle width direction from the mounting base,
The seal lip is a door opening structure of a vehicle that enters under the first interior material on the first interior material side and press-contacts with an upper surface of the second interior material on the second interior material side. ,
A raised portion that sandwiches the seal lip in cooperation with an end of the first interior material is provided along a circumferential direction of the door opening on one side of the second interior material in the vehicle width direction outside the mating portion. Formed,
The protruding portion is formed to extend from one side of the second interior material opposite to the first interior material across the mating portion in the vehicle width direction. (Claim 1)

According to said structure, since the protruding part formed in the one side part of the vehicle width direction outer side of the 2nd interior material, and the edge part of the 1st interior material clamp a seal lip, the 1st interior material and the 2nd interior material It is possible to easily maintain the posture of the seal lip with respect to the material in a desired posture.
Moreover, the said protruding part is formed along the circumferential direction of the said door opening, and is set to a certain amount of length along the longitudinal direction of an opening trim. Therefore, it is possible to suppress the force from being concentrated on the part of the seal lip of the opening trim from the raised portion. Thereby, sudden deformation of the seal lip can be avoided, and the natural appearance of the seal lip can be maintained.
As a result, it is possible to prevent a gap from being generated between the seal lip and the first interior material at the joint portion between the first interior material and the second interior material, and the appearance quality can be improved. In addition, the sealing lip can be prevented from being cut, and the durability of the opening trim can be improved. (Claim 1)

In the present invention,
In the extended end portion of the raised portion, the amount of the raised portion is configured to become smaller toward the distal end side in the extending direction of the extended end portion, and the surface of the extended end portion is configured to be a smooth inclined surface. The following effects can be achieved. (Claim 2)

  The opening trim seal lip can be gradually pushed upward at the extended end, preventing the seal lip from suddenly deforming into an uneven shape, and naturally pressing the seal lip against the back side of the first interior material be able to. (Claim 2)

In the present invention,
In the cross section viewed from the circumferential direction of the door opening, the following effects can be obtained when the protruding amount of the protruding portion is increased toward the outer side in the vehicle width direction. (Claim 3)

  In general, the base of the seal lip is thinner than other seal lip portions so that the seal lip is easily bent. In the above-described configuration of the present invention, since the protruding amount of the protruding portion increases toward the vehicle width direction outer side, the protruding portion can be inserted to the thin root side of the seal lip, and the gap is generated. Can be reliably prevented. (Claim 3)

In the present invention,
A fitting portion of a mounting base portion of the opening trim together with the flange is fitted into a non-bulging portion on one side portion of the second interior material located in the vicinity of the extending end portion of the protruding portion. If the fitting piece is formed, the following effects can be achieved. (Claim 4)

  The position of the second interior material in the vehicle width direction can be restricted, and the positional relationship between the first interior material, the second interior material, and the opening trim can be accurately set. Further, in the vicinity where the fitting piece is fitted in the fitting portion of the mounting base portion of the opening trim together with the flange, the upper surface of the second interior material is particularly firmly adhered to the sealing lip of the opening trim. Accordingly, it is possible to prevent the occurrence of the gap between the mating portions more reliably. (Claim 4)

According to the present invention,
The appearance quality of the vehicle can be improved, and the door opening structure of the vehicle that can improve the durability of the opening trim can be provided.

Perspective view of vehicle door opening structure Enlarged view of the front mating section AA sectional view of FIG. Perspective view of the lower end of the center pillar lower trim (second interior material) Perspective view showing the mating structure of rear cuff and center pillar lower trim Partially cutaway perspective view showing the mating structure of rear cuff and center pillar lower trim BB sectional view of FIG. Perspective view showing conventional technology The perspective view which shows the structure of a 1st comparative example The perspective view which shows the structure of a 2nd comparative example The perspective view which shows the structure of a 3rd comparative example

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
As shown in FIG. 1, a front door opening 2 and a rear door opening 3 are formed before and after the center pillar 1 on the side of the vehicle body. As shown in FIGS. 1 to 3, a flange 8 </ b> F that protrudes upward is formed on the vehicle body panel 8 that forms the inner periphery of each door opening 2, 3, and is formed on the mounting base 11 of the opening trim 10. A slit-like fitting portion 15 is externally fitted to the flange 8F from above.

  The vehicle body panel 8 that forms the inner periphery of the rear door opening 3 is covered with an interior material. The interior material includes a rear scuff 4 (corresponding to a first interior material) that is long in the vehicle front-rear direction, a quarter trim 6 on the rear side Rr of the rear scuff 4, and a center pillar lower trim 5 (first side) on the front side Fr of the rear scuff 4. 2 equivalent to interior materials).

  The lower end portion of the quarter trim 6 is inclined so as to be located on the vehicle front side Fr as it goes down, and the lower end portion of the center pillar lower trim 5 projects to the vehicle front side Fr and the vehicle rear side Rr. Hereinafter, the lower end portion of the center pillar lower trim 5 protruding to the vehicle rear side Rr is referred to as a rear lower end portion of the center pillar lower trim 5.

  The vehicle body panel 8 that forms the lower inner peripheral portion of the inner peripheral portion of the rear door opening 3 includes the rear scuff 4, the lower end portion of the quarter trim 6, and the rear lower end portion of the center pillar lower trim 5. Covered with The lower end portions of the rear cuff 4 and the quarter trim 6 and the rear lower end portions of the rear scuff 4 and the center pillar lower trim 5 are adjacent to each other in the circumferential direction of the rear door opening 3.

  As shown in FIGS. 2 and 3, the rear scuff 4 is formed in an L-shaped cross section, and is downward from the end of the first upper wall 4J and the inner side W1 (vehicle interior side) of the first upper wall 4J in the vehicle width direction. And a first vertical wall 4S extending in the direction. A rear lower end portion of the center pillar lower trim 5 is also formed in an L-shaped cross section, and includes a second upper wall 5J and a second vertical wall 5S extending downward from the end of the second upper wall 5J in the vehicle width direction inner side W1. It has.

  In the joint portion C (see FIG. 1, hereinafter referred to as “front side joint portion C”) between the end portion of the rear cuff 4 on the vehicle front side Fr and the rear lower end portion of the center pillar lower trim 5, the first of the rear scuff 4 is provided. The end of the upper wall 4J overlaps the end of the second upper wall 5J of the center pillar lower trim 5 from above. Further, the end of the first vertical wall 4S of the rear scuff 4 overlaps the end of the second vertical wall 5S of the center pillar lower trim 5 from the inner side W1 in the vehicle width direction.

  The first upper wall 4J protrudes outward in the vehicle width direction W2 (outside of the passenger compartment) from the second upper wall 5J. One side portion 4J1 of the vehicle width direction outer side W2 of the first upper wall 4J bulges upward with respect to the remaining portion of the first upper wall 4J. A seal lip 12 of an opening trim 10 to be described later enters the bulged one side portion 4J1. An end portion of the vehicle width direction outer side W2 of the one side portion 4J1 of the first upper wall 4J is bent downward (see FIG. 3).

[Structure of opening trim 10]
The opening trim 10 is formed of a rubber-like elastic body. As shown in FIGS. 1 to 3, the opening trim 10 includes a hollow seal portion 13 that bulges from the attachment base portion 11 to the vehicle width direction outer side W <b> 2, and a seal that extends from the upper end portion of the attachment base portion 11 to the vehicle width direction inner side W <b> 1. And a lip 12.

  As shown in FIG. 3, the slit-like fitting portion 15 of the opening trim 10 is formed on the outer side W <b> 2 in the vehicle width direction from the center in the vehicle width direction of the mounting base 11.

  The hollow seal portion 13 is compressed by a door. The base 12K (see FIG. 3) of the seal lip 12 is formed thinner than the other seal lip portions. As shown in FIG. 2, the seal lip 12 enters below the first upper wall 4J of the rear scuff 4 on the rear scuff 4 side, and the upper surface of the second upper wall 5J of the center pillar lower trim 5 on the center pillar lower trim 5 side. Is in pressure contact. As described above, the seal lip 12 is made to enter the lower side of the first upper wall 4J of the rear scuff 4 on the rear scuff 4 side to prevent the occupant from stepping on the seal lip 12 when getting on and off the vehicle. Yes.

  As shown in FIGS. 3 and 4 to 6, in the front side matching portion C, the front side Fr of the vehicle front side Fr is more than the connection portion 5C (see FIG. 4) provided at the rear lower end portion of the center pillar lower trim 5. (2) A raised portion 20 is formed on the upper wall 5J.

  The raised portion 20 is formed along the circumferential direction of the rear door opening 3 on one side portion 5J1 of the outer side W2 of the second upper wall 5J in the vehicle width direction. The raised portion 20 holds the seal lip 12 in cooperation with the end portion of the first upper wall 4J of the rear scuff 4 on the vehicle front side Fr. Further, the raised portion 20 is formed to extend on one side portion 5J1 of the second upper wall 5J of the center pillar lower trim 5 on the opposite side of the rear scuff 4 across the front side matching portion C.

  The extended end portion 20E of the raised portion 20 is configured such that the amount of the raised portion becomes smaller toward the distal end side in the extending direction of the extended end portion 20E, and the surface of the extended end portion 20E has a smooth inclined surface. Has been. Thereby, the seal lip 12 of the opening trim 10 can be gradually pushed upward by the extended end portion 20E. As a result, it is possible to prevent the seal lip 12 from being suddenly deformed into an uneven shape and to naturally press the seal lip 12 against the back surface side of the first upper wall 4J of the rear scuff 4.

  As shown in FIG. 3, in the cross section viewed from the circumferential direction of the rear door opening 3, the protruding amount of the protruding portion 20 is configured to increase toward the outer side W <b> 2 in the vehicle width direction. Therefore, the raised portion 20 can be inserted to the thin base 12K side of the seal lip 12, and the gap between the seal lip 12 and the first upper wall 4J of the rear scuff 4 can be reliably prevented.

  As shown in FIGS. 4 and 5, a fitting portion having a U-shaped cross section is formed on the non-raised portion 21 of the one side portion 5J1 of the second upper wall 5J located in the vicinity of the extended end portion 20E of the raised portion 20. 30 is formed along the circumferential direction of the rear door opening 3.

  The fitting portion 30 includes a side piece 31 extending downward from an end of the second upper wall 5J in the vehicle width direction outer side W2, a bottom piece 32 extending from the lower end portion of the side piece 31 to the vehicle width direction outer side W2, and a bottom piece. 32, a fitting piece 33 rising upward from the end of the vehicle width direction outer side W2.

  On one side portion 5J1 of the second upper wall 5J provided with the raised portion 20, a side wall 34 extending downward from the end portion of the second upper wall 5J in the vehicle width direction outside W2 is formed at the front end portion of the side piece 31. It is formed in a continuous state.

As shown in FIG. 7, the fitting piece 33 is fitted into the slit-like fitting portion 15 of the mounting base portion 11 of the opening trim 10 together with the flange 8F. Thereby, the position of the center pillar lower trim 5 in the vehicle width direction can be regulated, and the positional relationship among the rear scuff 4, the center pillar lower trim 5, and the opening trim 10 can be set accurately.
Further, in the vicinity where the fitting piece 33 is fitted into the fitting portion 15 of the mounting base portion 11 of the opening trim 10 together with the flange 8F, the upper surface of the rear lower end portion of the center pillar lower trim 5 is the seal of the opening trim 10. It adheres particularly firmly to the lip 12. Therefore, it is possible to more reliably prevent the occurrence of a gap at the front side matching portion C.

  Next, the structure of the first comparative example to the structure of the third comparative example will be described, and the advantages of the structure of the present invention over these structures will be described. In the structure of the first comparative example to the third comparative example, the second interior material is the quarter trim 6.

[Structure of the first comparative example]
As shown in FIG. 9, a pair of triangular convex-shaped seal lip support ribs 40 are erected on the upper surface of the lower end portion of the quarter trim 6 so as to be spaced apart from each other in the vehicle front-rear direction. The pair of seal lip support ribs 40 receive and support the seal lip from below.
According to this structure, force is concentrated and applied to the seal lip from the pair of seal lip support ribs 40. As a result, the seal lip is deformed into a concavo-convex shape and the appearance is deteriorated. Further, when the seal lip is stepped on the passenger's foot, the seal lip may be cut.
On the other hand, according to the above configuration of the present invention, the raised portion 20 is formed along the circumferential direction of the rear door opening 3 and set to a certain length along the longitudinal direction of the opening trim 10. Therefore, it is possible to suppress a force from being concentrated on the part of the seal lip 12 of the opening trim 10 from the raised portion 20.
Thereby, sudden deformation of the seal lip 12 can be avoided, and the natural appearance of the seal lip 12 can be maintained. As a result, it is possible to prevent a gap from being formed between the seal lip 12 and the first upper wall 4J of the rear scuff 4 in the front side matching portion C, and the appearance quality can be improved. Moreover, the sealing lip 12 can be prevented from being cut, and the durability of the opening trim 10 can be improved.

[Structure of the second comparative example]
As shown in FIG. 10, a gap formed between the seal lip and the first upper wall 4J of the rear scuff 4 at the end portion of the rear scuff 4 on the vehicle rear side Rr and the lower end portion of the quarter trim 6 is formed. The first upper wall 4J of the rear scuff 4 is covered with a cover portion 41 that descends from the edge of the vehicle rear side Rr.
In the structure of the second comparative example, the cover portion 41 looks like a wall and looks bad. On the other hand, in the structure of this invention, since the above cover parts 41 are not provided, it can improve appearance.

[Structure of third comparative example]
As shown in FIG. 11, an end 4A on the vehicle rear side Rr of the one side portion 4J1 of the vehicle width direction outer side W2 of the first upper wall 4J of the rear scuff 4 is bent downward in a cross-sectional arc shape.
According to this structure, the shape of the rear scuff 4 is unnatural and unpleasant. On the other hand, according to the structure of this invention, since the edge part of the said 1 side part 4J1 is not bent below in cross-sectional arc shape, it can improve appearance.

[Another embodiment]
The first interior material and the second interior material may be the following parts (1) and (2) (see FIG. 1).
(1) Rear scuff 4 (first interior material) and quarter trim 6 (second interior material) adjacent in the circumferential direction of the rear door opening 3
(2) Front scuff 9 (first interior material) and center pillar lower trim 5 (second interior material) adjacent in the circumferential direction of the front door opening 2

3 Door opening 4 First interior material (rear scuff)
5 Second interior material (Center pillar lower trim)
5J1 One side part 8 on the outer side in the vehicle width direction of the second interior material Lower inner peripheral part (body panel) of the door opening
8F Flange 10 Opening trim 11 Mounting base 12 Seal lip 15 Fitting portion 20 formed on the mounting base 20 Raised portion 20E Extending end portion 21 of the raised portion 33 Non-raised portion 33 Fitting piece C Matching portion (front matching portion)
W1 Vehicle width direction inside (vehicle compartment side)
W2 Vehicle width direction outside (vehicle compartment outside)

Claims (4)

A door opening is formed on the side of the vehicle body,
A flange projecting upward is formed on the lower inner periphery of the door opening,
The fitting portion formed on the mounting base of the opening trim is externally fitted to the flange,
The first interior material and the second interior material adjacent in the circumferential direction of the door opening cover the lower inner periphery of the door opening,
In the joint portion of the first interior material and the second interior material, the end portion of the first interior material overlaps the end portion of the second interior material from above,
The opening trim includes a seal lip extending inward in the vehicle width direction from the mounting base,
The seal lip is a door opening structure of a vehicle that enters under the first interior material on the first interior material side and press-contacts with an upper surface of the second interior material on the second interior material side. ,
A raised portion that sandwiches the seal lip in cooperation with an end of the first interior material is provided along a circumferential direction of the door opening on one side of the second interior material in the vehicle width direction outside the mating portion. Formed,
A vehicle door opening structure in which the raised portion is formed to extend from one side of the second interior material on the opposite side of the first interior material across the mating portion.   In the extended end portion of the raised portion, the amount of the raised portion is configured to become smaller toward the distal end side in the extending direction of the extended end portion, and the surface of the extended end portion is configured to be a smooth inclined surface. The vehicle door opening structure according to claim 1.   3. The vehicle door opening structure according to claim 1, wherein in a cross section viewed from the circumferential direction of the door opening, the protruding amount of the protruding portion increases toward the outer side in the vehicle width direction.   A fitting portion of a mounting base portion of the opening trim together with the flange is fitted into a non-bulging portion on one side portion of the second interior material located in the vicinity of the extending end portion of the protruding portion. The door opening part structure of the vehicle as described in any one of Claims 1-3 in which the fitting piece is formed.

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