JP3198844B2 - Automotive protective cap structure and method of mounting the same - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protective cap structure for an automobile, and more particularly to a cap structure of a bolt for mounting an anchor of a shoulder adjuster of a seat belt and a mounting method thereof.

[0002]

2. Description of the Related Art An example of a protective cap structure for an automobile is shown in FIG. 5 (see Japanese Utility Model Laid-Open No. 1-89258). That is, the protective cap 1 is screwed to a weld nut (not shown) fixed to the back surface of an adjuster plate 11 as a vehicle body member which is vertically movable with respect to a shoulder adjuster (not shown) supported by the center pillar 3. The head 7 of the mounting bolt 5 made of the metal material thus made can be covered. The mounting bolt 5 is used for mounting the through ring anchor 13 of the seat belt 9 to the adjuster plate 11. The protective cap 1 attaches the head 7 of the mounting bolt 5 to the anchor 1
It is formed in a shape surrounding three sides so as to cover with a part of 3,
The claw 15 formed on the upper part is the adjuster plate 1
1, and a cross-shaped rib 21 abutting against the flat portion 19 of the head 7 of the mounting bolt 5 protrudes from the back surface 1 a so that the stickiness of the protective cap 1 is provided. Has been prevented.

[0003]

However, in the conventional protective cap structure for an automobile, the flat portion 1 of the back surface 1a of the protective cap 1 and the head 7 of the mounting bolt 5 are provided.
9 is large, the amount of protrusion H of the rib 21 protruding from the back surface 1a of the protective cap 1 is increased by that much, and the surface 1b of the protective cap 1 is There is a possibility that the resin liquid flowing toward the rib 21 at the time of molding 1 may cause a dent as a strain (referred to as sink). The claw 15 is located on the back surface 1a of the protective cap 1.
Side, so that when the claw 15 is engaged with the opening 17 formed in the adjuster plate 11,
Since the claws 15 are not visible to the worker and there is no guidance,
If an excessive load is applied to the claw 15 by hitting or the like, the claw 15 may be broken. Furthermore, when the rib 21 protruding from the rear surface 1a of the protective cap 1 comes into contact with the flat portion 19 of the head 7 of the mounting bolt 5, there is no positioning of the mounting bolt 5 with respect to the head 7. There is a possibility that the protection cap 1 may be uneven or the protection cap 1 may be displaced in the up, down, left and right directions (arrows).
Improvement is desired. Therefore, the present invention has been made in view of the above points, and the purpose thereof is as follows:
Protective cap for automobiles that does not cause sink marks on the surface of the protective cap, improves the firmness of the mounting cap against the head of the mounting bolt when the protective cap is mounted, and improves the mounting workability when mounting the protective cap. An object of the present invention is to provide a structure and a mounting method thereof.

[0004]

According to a first aspect of the present invention, there is provided a protective cap structure capable of covering a bolt head of a mounting bolt screwed to a vehicle body member. A spacer member for positioning the protective cap is interposed between the bolt head of the mounting bolt and the protective cap, and one end of the spacer member is connected to the vehicle body member by the bolt head of the mounting bolt. And a plurality of tongues formed intermittently at the other end of the spacer member are releasably supported by the engaging portions of the protective cap, and the claws formed on the protective cap are mounted on the vehicle body. It is characterized by being supported by a member. According to a second aspect of the present invention, as a method of mounting the protective cap for an automobile, a mounting bolt in which one end of the spacer member is inserted in advance is screwed into a nut supported by the vehicle body member, and then the other end of the spacer member The engaging portion of the protective cap inserted from between the plurality of tongues formed intermittently on the portion is engaged with the tongue by rotating the protective cap, and the claws of the protective cap are engaged with the vehicle body member. The protective cap is supported by the vehicle body member by being combined.

[0005]

According to the first aspect of the present invention, one end of the spacer member is supported by the vehicle body member together with fastening of the bolt head, so that the workability of mounting the spacer member is improved. Moreover, reliable mounting becomes possible. Next, by rotating the protective cap with respect to a plurality of tongues formed intermittently at the other end of the spacer member, the engaging portion of the protective cap is supported so as to be freely disengaged, so that one-touch mounting is achieved. The protection cap can be prevented from rotating by supporting the claws formed on the protection cap on the vehicle body member. Further, since the spacer member is a separate member from the protective cap, no sink occurs on the surface of the protective cap. The feeling of firmness when the protective cap is attached to the head of the mounting bolt is improved. According to the second aspect of the present invention, one end of the spacer member is screwed into a nut supported by the vehicle body member in advance, and one end of the spacer member is connected to the vehicle body member by the mounting bolt. The engaging portion of the protection cap, which is fixed and inserted from a plurality of tongue pieces intermittently formed at the other end of the spacer member, is engaged with the tongue piece by rotating the protection cap, By engaging the claws of the protective cap with the vehicle body member, the protective cap is prevented from rotating with respect to the vehicle body member and supported.

[0006]

Embodiments of the present invention will be described below with reference to the drawings. An automobile protective cap structure according to one embodiment of the present invention will be described with reference to FIGS. In the figure, a protective cap 31 is screwed onto a weld nut 32 fixed to the back surface of an adjuster plate 11 as a “vehicle member” supported vertically movably with respect to a shoulder adjuster (not shown) supported by the center pillar 3. The head 35 of the mounting bolt 33 made of the combined metal material can be covered. The mounting bolt 33 is used for mounting the anchor 13 of the seat belt 9 to the adjuster plate 11. A spacer member 37 for positioning the protection cap 31 is interposed between the head 35 of the mounting bolt 33 and the protection cap 31.

The spacer member 37 is formed in a container-like closed loop, and a through hole 41 through which the mounting bolt 33 is inserted is formed at one end 39 serving as a bottom thereof.
A side 43 of the anchor 13 is attached to the adjuster plate 11 by the head 35 of the mounting bolt 33.
And the other end 4 of the spacer member 37
5, a plurality of tongue pieces 47, 47,.
Are supported by a plurality of engaging portions 49, 49,... Formed intermittently on the back surface 31a of the protective cap 31 so as to be able to be disengaged and disengaged, and the claw 15 formed on the protective cap 31 is It is engaged with an opening 17 formed in the adjuster plate 11. Automotive protective cap 31
Is attached in advance to one end 39 of the spacer member 37.
The mounting bolt 33 having the through hole 41 inserted therein is welded to the weld nut 3 fixed on the back surface of the adjuster plate 11.
2 and a plurality of tongues 47 intermittently formed at the other end 45 of the spacer member 37. The protective cap 31 is supported by the adjuster plate 11 by rotating the protective cap 31 to engage with the tongue piece 47 and engaging the claw 15 of the protective cap 31 with the opening 17 formed in the adjuster plate 11. Be done.

Therefore, according to this embodiment, the one end 39 of the spacer member 37 is supported by the adjuster plate 11 together with the fastening of the head 35 of the bolt 33, so that the workability of mounting the spacer member 37 is improved. It is possible to improve and secure the mounting. Next, the protection cap 31 is rotated by rotating the protection cap 31 with respect to a plurality of tongue pieces 47 formed intermittently at the other end 45 of the spacer member 37.
The engaging portion 49 is supported so as to be capable of being disengaged and detached, so that one-touch mounting is possible, and the claw 15 formed on the protective cap 31 is connected to the opening 1 of the adjuster plate 11.
By supporting the protective cap 7, the protective cap 31 can be prevented from rotating.

Further, the spacer member 37 is provided with the protective cap 3.
Since it is a separate member from 1, the sink does not occur on the surface 31b of the protective cap 31. The feeling of firmness when the protection cap 31 is attached to the head 35 of the attachment bolt 33 is improved. By screwing a mounting bolt 33 in which one end 39 of the spacer member 37 is inserted in advance to a nut 32 supported by the adjuster plate 11, the one end 39 of the spacer member 37 is attached to the adjuster plate 11 by the mounting bolt 33. The other end 4 of the spacer member 37 is fixed.
The plurality of tongues 47 formed intermittently on the tongues 47 and the engaging portions 49 of the protection cap 31 inserted from between the tongues 47 are engaged with the tongues 47 by rotating the protection cap 31. By engaging the claw 15 of the protective cap 31 with the opening 17 of the adjuster plate 11, the protective cap 31 is prevented from rotating with respect to the adjuster plate 11 and is supported.

[0010]

As described above, according to the first aspect of the present invention, in the protective cap structure capable of covering the bolt head of the mounting bolt screwed to the vehicle body member, the bolt head of the mounting bolt is provided. A spacer member for positioning the protective cap is interposed between the portion and the protective cap, and one end of the spacer member is supported by the vehicle body member by a bolt head of the mounting bolt and a spacer member A plurality of tongues formed intermittently at the other end of the support cap are releasably supported by the engagement portion of the protection cap, and claws formed on the protection cap are supported by the vehicle body member. Since one end of the spacer member is supported together with the vehicle body member when the bolt head is fastened, the workability of mounting the spacer member is improved, and reliable mounting is possible. It made. Next, by rotating the protective cap with respect to a plurality of tongues formed intermittently at the other end of the spacer member, the engaging portion of the protective cap is supported so as to be freely disengaged, so that one-touch mounting is achieved. The protection cap can be prevented from rotating by supporting the claws formed on the protection cap on the vehicle body member. Further, since the spacer member is a separate member from the protective cap, no sink occurs on the surface of the protective cap. The feeling of firmness when the protective cap is attached to the head of the mounting bolt is improved.

According to the second aspect of the present invention, as a method of mounting the protective cap for an automobile, a mounting bolt in which one end of a spacer member is inserted in advance is screwed into a nut supported by a vehicle body member, and thereafter, By rotating the protective cap, the engaging portion of the protective cap inserted from between the plurality of tongues formed intermittently at the other end of the spacer member is engaged with the tongue, and the claws of the protective cap are disengaged. Since the protective cap is supported by the vehicle body member by engaging with the vehicle body member, a mounting bolt in which one end of the spacer member is inserted in advance is screwed into a nut supported by the vehicle body member. One end of the spacer member is fixed to the vehicle body member by a mounting bolt by being fitted, and a protective cap is inserted between a plurality of tongues formed intermittently at the other end of the spacer member. The part is engaged with the tongue by rotating the protection cap, and the claw of the protection cap is engaged with the vehicle body member, whereby the protection cap is prevented from rotating with respect to the vehicle body member and supported. .

[Brief description of the drawings]

FIG. 1 is a front view of a protective cap structure for an automobile according to an embodiment of the present invention.

FIG. 2 is a cross-sectional view taken along line SA-SA of FIG.

FIG. 3 is an enlarged perspective exploded view of an essential part of FIG. 1;

FIG. 4 is an explanatory sectional view of the spacer member of FIG. 2;

FIG. 5 is an exploded perspective view of an essential part of a conventional protective cap structure for an automobile.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Protective cap 31 Protective cap 1a Backside of protective cap 31a Backside of protective cap 1b Front side of protective cap 31b Front side of protective cap 5 Mounting bolt 33 Mounting bolt 7 Head of mounting bolt 35 Head of mounting bolt 9 Sheet Belt 11 Adjuster plate as vehicle body member 13 Through ring anchor 15 Claw 17 Adjuster plate opening 32 Weld nut 37 Spacer member 39 One end of spacer member 45 The other end of spacer member 47 Tongue of spacer member 49 Engagement of protective cap Department

──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Masanobu Yoshioka 2 Takaracho, Kanagawa-ku, Yokohama-shi, Kanagawa Nissan Motor Co., Ltd. (56) References JP-A-7-52749 (JP, A) 89258 (JP, U) Japanese Utility Model 1-136051 (JP, U) Japanese Utility Model 63-187372 (JP, U) Japanese Utility Model 61-10261 (JP, U) Japanese Utility Model 59-85249 (JP, U) JP-B-42-18651 (JP, B1) (58) Field surveyed (Int. Cl. ⁷ , DB name) B60R 22/24

Claims (2)

(57) [Claims] In a protective cap structure capable of covering a bolt head of a mounting bolt screwed to a vehicle body member, a protective cap is provided between the bolt head of the mounting bolt and the protective cap. A plurality of tongues, one end of which is supported by the vehicle body member by a bolt head of the mounting bolt and the other end of which is intermittently formed. A protective cap structure for an automobile, wherein a piece is supported by an engaging portion of the protective cap so as to be freely disengaged and a claw formed on the protective cap is supported by the vehicle body member. 2. A mounting bolt in which one end of the spacer member is inserted in advance is screwed into a nut supported by the vehicle body member.
Thereafter, the engaging portion of the protective cap inserted from between the plurality of tongues formed intermittently at the other end of the spacer member is engaged with the tongue by rotating the protective cap, A method for mounting a protective cap for an automobile, characterized in that the protective cap is supported by the vehicle body member by engaging the claw with the vehicle body member.