JP3403623B2 - Smoke holding 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 smoke tube holding structure for holding and holding a smoke tube mounted on an automobile in a passenger compartment.

[0002]

2. Description of the Related Art It is obligatory to equip a vehicle with a smoke-producing tube. For example, in Japanese Patent Publication No. 4-11882 or Japanese Patent Laid-Open No. 7-182, so that the smoke tube can be easily and quickly taken out in an emergency.
As disclosed in Japanese Patent Laid-Open No. 309176, generally, a holding portion having a U-shaped cross section is formed on a cowl side trim on the inner surface side of a vehicle body so that a holding member is inserted and held in the holding portion. It is configured.

Referring to FIGS. 5 to 7, reference numeral 21 is a cowl side trim, and a holding portion 22 having a U-shaped cross section is formed at a required position so as to project toward the inner surface of the vehicle interior. The middle part of the smoke producing tube 20 is held by the holding portion 22 by inserting the smoke producing tube 20 into the portion 22 from the tip.

Further, in order to prevent the smoke producing tube 20 from rattling due to vibrations while the vehicle is traveling, ribs are provided on the inner circumference of the holding portion 22 so as to be in pressure contact with the outer surface of the smoke producing tube 20,
The above publication discloses that the cowl side trim 21 is provided with a pressing surface for elastically pressing the tip of the smoke producing tube toward the inside of the vehicle compartment at a front portion of the holding portion 21.

Further, the smoke producing tube 20 has a considerable weight, and a large vibration load is applied to the cowl side trim 21 due to the acceleration caused by the vibration while the vehicle is running.
As shown by an X in FIG. 5, not only the rear portion of the cowl side trim 21 but also the rear end of the vehicle compartment front side is fixed to the body by a clip as shown in FIG. It prevents the rattling of 21.

[0006]

However, in the above-mentioned conventional configuration, the middle portion of the smoke producing tube 20 is provided with the tunnel-shaped holding portion 2.
Since it is held at 2, it is necessary to be noticeable, so not only the base of the smoke emitting tube 20 which is colored red but also the tip of the smoke emitting tube of red is conspicuous from the passenger compartment, resulting in poor appearance. There was a problem.

Further, as described above, the cowl side trim 2
It is also necessary to fix the front end of the passenger compartment of No. 1 to the body with a clip, but there is a problem that workability is poor because it is necessary to fix the clip in a deep space in the narrow space between the instrument panel and the floor. there were.

In view of the above-mentioned conventional problems, the present invention has a smoke tube holding structure in which only the base of the smoke tube can be seen from the passenger compartment, looks good, and has good workability to prevent rattling of the cowl side trim. It is intended to provide a structure.

[0009]

SUMMARY OF THE INVENTION A smoke tube holding structure according to the present invention is a smoke tube holding structure in which a smoke tube is inserted and held in a holding portion provided in a cowl side trim. Elastically deformable locking claws that engage with the back surface of the engaged part formed on the body are provided on both the upper and lower sides of the body, and the part other than the base of the smoke tube and its vicinity is inserted and fitted into the cowl side trim. Possible cross-section approximately U
The holding part in the shape of a tunnel is formed so that its tip is located between the locking claws, and the distance between the inner surface of the tip of the holding part and the body is made slightly smaller than the diameter of the smoke tube to form a smoke tube. Bo
It is configured to press-fit by the restoring force of elastic deformation of the locking claws in a state of being inserted and fitted between the die and the holding part , and the smoke tube is inside the holding part except its base and its vicinity. Since only the base of the smoke tube is visible from the passenger compartment, it looks good, and the pair of upper and lower locking claws at the front end of the cowl side trim are attached to the back of the engaged part of the body. > And the smoke tube is inserted and fitted between the body and the holding part, the locking claw elastically deforms and strongly presses due to its restoring force, and the front end of the cowl side trim is firmly attached to the body. Since the smoke tube is firmly held while being fixed to,
It is sufficient to clip only the rear part of the cowl side trim with good workability to the body, and it is possible to prevent rattling of the cowl side trim and the smoke stack with good workability.

Further, the locking claw is formed in an L-shape such that the engaging piece at the tip end thereof engages with the back surface of the engaged portion, and the distance between the engaging piece and the cowl side trim is set to the plate thickness of the body. Larger than the above, or by forming a bending guide part that bends toward the body side at the tip of the engaging piece, the locking claw can be engaged with the engaged part with good workability. Workability is improved.

[0011]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a smoke tube holding structure of the present invention will be described below with reference to FIGS.

Reference numeral 1 is a cowl side trim which forms a side surface of a space between an instrument panel and a floor at a front end portion of a vehicle compartment. Reference numeral 2 denotes an automobile body, and a ridge-shaped protrusion 3 having a trapezoidal cross section that extends vertically is formed at a portion of the cowl side trim 1 facing the front end of the cowl side trim.
A pair of locking claws 5 are provided on both upper and lower edges of the front end of the cowl side trim 1, and a rectangular notch 3a into which the locking claws 5 can be inserted is formed in the projecting portion 3, and the front part thereof is engaged. It is the engaged portion 4 of the pawl 5. Each locking claw 5 extends toward the protruding portion 3 in an L-shape and is elastically deformable, and an engaging piece 6 on the tip side thereof is inserted into the notch 3a to engage with the back surface of the engaged portion 4. Is configured to. A bending guide portion 7 that is bent outward is formed at the tip of the engagement piece 6, and is configured so that the engagement piece 6 can be smoothly inserted into the notch 3a by pushing the cowl side trim 1 forward. There is.
Further, one side of the base of the locking claw 5 on the cowl side trim 1 side is connected to a connecting plate 8 extending from a side edge of the cowl side trim 1, and engages with a side edge of the connecting plate 8. Piece 6
Is provided with a gap 9 larger than the plate thickness of the protrusion 3 of the body 2, and a gap d is formed between the protrusion 3 and the side edge of the connecting plate 8 so that the engaging claw 5 is engaged. The joint piece 6 is configured so that it can be easily inserted into the notch 3a .

Further, the cowl side trim 1 has a tunnel-shaped holding portion 11 having a substantially U-shaped cross section into which a portion other than the base portion of the smoke-producing tube 10 and the vicinity thereof can be inserted and fitted. It is formed so as to be located between the claws 5, 5. Further, the distance H between the inner surface of the tip portion of the holding portion 11 and the protruding portion 3 of the body 2 is set to be slightly smaller than the diameter D of the smoke emitting tube 10, and the smoke emitting tube 10 is inserted and fitted into the holding portion 11. In this state, the holding portion 11 is forcibly pushed up and the locking claw 5 is elastically deformed, and the restoring force of the locking claw 5 causes the tip of the smoke tube 10 to be press-fitted between the protrusion 3 and the holding portion 11. Configured to match. Further, the front end portion of the cowl side trim 1 is firmly fixed to the protruding portion 3 of the body 2 by the pressure contact force.

In the above structure, when the cowl side trim 1 is assembled to the body 2, the front end portion thereof is pushed into the front rear end portion of the space between the instrument panel and the floor at the front end portion of the passenger compartment to form the protruding portion 3. The engaging piece 6 of the locking claw 5 is inserted into the cutout 3a and engaged with the back surface of the engaged portion 4. At that time, the bending guide portion 7 is provided at the tip of the engaging piece 6, and the gap 9 larger than the plate thickness of the projecting portion 3 is provided between the side edge of the connecting plate 8 and the engaging piece 6, which is simple. Can be inserted and engaged with good workability. After that, as shown by X in FIG. 1, the cowl side trim 1 which is easy to work is fixed to the body 2 with a clip (not shown) at an appropriate position, so that the cowl side trim 1 can be assembled easily. Well done.

Then, the smoke producing tube 10 is pushed from the tip thereof into the holding portion 11 and held therein. Then, the smoke producing tube 10 is in a state of being inserted and fitted in the holding portion 11 except for the base portion and the vicinity portion thereof, so that only the base portion of the smoke producing tube 10 and the vicinity portion thereof are visible from the vehicle interior and have a good appearance. In addition, by inserting and fitting the smoke tube 10 into the holding portion 11, the locking claw 5 is elastically deformed as described above and strongly pressed by the restoring force, and the front end portion of the cowl side trim 1 is firmly fixed to the body 2. Since the smoke canister 10 is firmly fixed to the smoke canister 10, it is possible to reliably prevent rattling of the cowl side trim 1 and the smoke canister 10 due to vibration while the vehicle is running.

In the above embodiment, the notch 3a is formed in the projecting portion 3 projecting from the body 2, and the locking claw 5 is provided at the front portion thereof.
Although an example of configuring the engaged portion 4 that engages with is shown, as shown in FIG. 4, the bracket 13 is fixed to the body 2 and the engaging claw 5 is engaged with the bracket 13. You may comprise the body 2 part with which the front-end | tip part of the part 4 and the smoke-producing tube 10 contact | connect.

[0017]

According to the smoke tube holding structure of the present invention, as described above, the elastically deformable members that engage with the back surface of the engaged portion formed on the body are formed on the upper and lower sides of the front end portion of the cowl side trim. In addition to providing a stop claw, a section with a substantially U-shaped cross-section that can be inserted and fitted into the cowl side trim except for the vicinity of the base of the smoke tube, so that the tip end is located between the locking claws. With the distance between the inner surface of the tip of the holding part and the body slightly smaller than the diameter of the smoke tube, the locking claw elastically deforms when the smoke tube is inserted and fitted between the body and the holding part. Since it is configured to press fit by the restoring force of the smoke tube, only the base of the smoke tube can be seen from the passenger compartment and it looks good.By inserting and fitting the smoke tube into the holding part, the front end of the cowl side trim can be Is firmly fixed to the Since it is held in place, rattling of the cowl side trim and the smoke tube can be prevented, and only the rear part of the cowl side trim, which has good workability, can be clipped to the body. Workability is also improved.

Further, the locking claw is formed in an L-shape such that the engaging piece at the tip thereof engages with the back surface of the engaged portion, and the distance between the engaging piece and the cowl side trim is set to the plate thickness of the body. If it is set larger than this, or if the bending guide part that bends toward the body side is formed at the tip of the engaging piece, the locking claw can be inserted and engaged in the notch with good workability, and the workability of assembling the cowl side trim can be improved. Is improved.

[Brief description of drawings]

FIG. 1 is an exploded perspective view of an embodiment of a smoke tube holding structure of the present invention.

FIG. 2 is a view showing an assembled state of the same embodiment.
FIG. 7 is a sectional view taken along line AA of FIG.

FIG. 3 is a view showing an assembled state of the same embodiment.
It is a BB arrow sectional drawing of.

FIG. 4 is a sectional view similar to FIG. 3 according to another embodiment of the present invention.

FIG. 5 is a perspective view of a conventional smoke tube holding structure.

6 is a cross-sectional view taken along the line CC of FIG.

7 is a cross-sectional view taken along the line DD of FIG.

[Explanation of symbols]

1 cowl side trim 2 body 3 protrusion 4 Engagement part 5 locking claws 6 engagement pieces 7 Bending guide 10 smoke tubes 11 holding part

Claims (3)

(57) [Claims] 1. A smoke tube holding structure in which a smoke tube is inserted and held in a holding portion provided on a cowl side trim, and engaged parts formed on a body are provided on both upper and lower sides of a front end portion of the cowl side trim. An elastically deformable locking claw that engages with the rear surface of the holding part is provided, and a holding part with a substantially U-shaped cross-section that can be inserted and fitted into the cowl side trim except for the base part of the smoke tube and its vicinity Is formed so that its tip is located between the locking claws, and the distance between the inner surface of the tip of the holding part and the body is made slightly smaller than the diameter of the smoke tube so that the smoke tube is placed between the body and the holding part. A structure for holding a smoke tube, which is configured to press-fit by a restoring force of elastic deformation of a locking claw in a state of being inserted and fitted into. 2. The locking claw is formed in an L-shape in which the engaging piece at the tip end engages with the back surface of the engaged portion, and the distance between the engaging piece and the cowl side trim is set to the plate thickness of the body. The smoke flue holding structure according to claim 1, wherein the smoke flue holding structure is set larger than the above. 3. A bending guide portion in which an engaging claw is formed in an L shape in which an engaging piece at a tip end thereof engages with a back surface of an engaged portion, and is bent toward a body side at a tip end of the engaging piece. The smoke tube holding structure according to claim 1, wherein