JP2536358Y2 - Car wheel 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 for mounting a vehicle wheel cover on a disk wheel.

[0002]

2. Description of the Related Art Conventionally, as a mounting structure of a wheel cover, for example, a structure in which a through hole for passing a hub bolt is provided in a wheel cover and the wheel and the wheel cover are fastened together by a hub nut is known.

[0003] In addition, a peripheral wall having a cylindrical shape and elasticity to be fitted to the hub nut, and a peripheral edge projecting radially inward from a tip of the peripheral wall and engaging with a tapered seat surface of the hub nut are provided. A mounting structure is known in which an engaging means is provided at a position corresponding to a hub nut on the back surface of a wheel cover, and the engaging means is pushed into the hub nut to hold the wheel cover on the wheel. An attachment structure of the type provided with the engagement means as described above is disclosed in Japanese Utility Model Publication No. 54-1706, for example.

[0004]

In the former case, since the tightening force of the hub nut required for fixing the wheel to the axle shaft is directly applied to the wheel cover, the wheel cover may be damaged. If broken, there is a risk that the hub nut will loosen and the wheel will fall off. To avoid such a situation, the strength of the wheel cover must be increased more than necessary. Therefore, design restrictions such as, for example, increasing the overall thickness or using a high-strength material occur. Further, in this configuration, since the hub nut must be removed in order to attach and detach the wheel cover, a jack-up is required, which requires considerable time and labor.

On the other hand, in the latter mounting structure, if the elasticity of the peripheral wall is high, the wheel cover may come off from the wheel while the automobile is running. Therefore, from the viewpoint of preventing the wheel cover from falling off, the elasticity of the peripheral wall should be reduced. However, doing so makes it difficult to attach the engaging means to the hub nut or remove the engaging means from the hub nut, thereby reducing workability when attaching and detaching the wheel cover.

Accordingly, the technical problem to be solved by the present invention is that the wheel cover does not need more strength than necessary, and the workability at the time of attaching and detaching the wheel cover is good, and the wheel cover does not fall off during running. It is to provide a structure.

[0007]

SUMMARY OF THE INVENTION In order to solve the above-mentioned technical problems, a wheel cover mounting structure according to the present invention is configured as follows. That is, a wheel cover mounting structure including a mounting member screwed to a hub bolt protruding from a hub nut and a mounting portion formed on a wheel cover to engage with the mounting member, wherein the mounting member is screwed to the hub bolt. A nut portion having a screw hole to be formed, and an engaging portion rotatably mounted around the central axis of the screw hole with respect to the nut portion.
An engagement claw projecting radially outward is formed. The mounting portion has a tubular portion for accommodating the mounting member screwed to the hub bolt so as to allow rotation of the engaging claw, and an engaging wall formed with a groove through which the engaging claw is inserted and withdrawn by rotation of the engaging portion. And engaging means for engaging the engaging wall and the engaging claw at a position where the engaging claw is inserted into the groove of the engaging wall is provided.

[0008]

[Operation and Effect] In this configuration, the wheel cover is first attached to the wheel as follows. First, the nut portion of the mounting member is screwed into a hub bolt protruding from the hub nut, and the wheel cover is held on the outer surface of the wheel with the mounting member inserted in the tubular portion of the mounting portion. Then, the engaging portion is rotated with respect to the nut portion, and the engaging claw is inserted into the groove of the engaging wall. At this time, the engaging claw is prevented from being inadvertently pulled out of the engaging groove by the attaching member and the engaging means provided on the attaching portion, so that the wheel cover is prevented from falling off during traveling or the like.

On the other hand, when removing the wheel cover,
This can be easily performed by disengaging the engagement state between the engagement claw and the engagement wall, turning the engagement portion of the attachment member, and pulling the engagement claw out of the groove. It can be done simply by turning the joint. Further, since the tightening force of the hub nut is not directly applied to the wheel cover, it is not necessary to increase the strength of the wheel cover more than necessary. In other words, the weight of the wheel cover body can be reduced by reducing the thickness.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a detailed description will be given of a wheel cover mounting structure according to an embodiment of the present invention shown in FIGS. 1 to 3.

FIG. 1 is an exploded perspective view of a main part of the mounting structure, wherein 1 denotes several hub bolts 3 projecting from a hub nut 4.
2 is a mounting member that is screwed into
And a mounting portion formed on the wheel cover main body 7 so as to engage with the main body. The wheel cover main body 7 is mounted on the wheel 5 by engaging the mounting portion 2 with the mounting member 1 screwed with the hub bolt 3.

As shown in a longitudinal sectional view in FIG. 2, the mounting member 1 has a nut portion 12 having a screw hole 12a for screwing with the hub bolt 3, and a screw hole 12a for the nut portion 12. An engaging portion 11 is rotatably mounted around the housing. The mounting between the two is performed by tightening a screw 15 from the screw hole 12a to the engaging portion 11. As shown in FIG. 1, an engaging claw 13 is formed on an outer peripheral surface of the engaging portion 11, and the distal end portion 13 a is bent to have a hook shape. Also, on the upper surface of the engaging portion 11, this engaging portion 11 is provided.
A groove 14 is formed for receiving a tool such as a screwdriver, a coin, or the like for turning the screw.

The mounting part 2 formed on the wheel cover 7
Has two engaging walls 23 facing each other and an upper wall 22 formed in a cylindrical portion 21, and an opening 25 through which the mounting member 1 can be inserted is formed at a lower end of the cylindrical portion 21. Have been. The facing engaging wall 23 has an engaging portion 11 at a position corresponding to the engaging claw 13 of the mounting member 1 when mounted on the wheel 5.
A groove 24 is formed in which the engaging claw 13 can be inserted and removed by rotating. A recess 24a (FIG. 3) is formed on the lower surface of the groove 24, and a projection 13b that fits into the recess 24a is formed on the lower surface of the engaging claw 13 of the mounting member 1. The recess 24a and the projection 13
The engagement means is constituted by b.

FIG. 3 is a longitudinal sectional view of a main part in a state where the wheel cover 7 is attached to the disk wheel 5.
In this mounting structure, the mounting of the wheel cover 7 is performed as follows. First, in order to fix the wheel 5 to an axle shaft (not shown), the wheel 5 is passed through several hub bolts 3 and then the hub nut 4 is tightened. The hub bolt 3 has a longer threaded portion than usual, and a resilient washer 6 is fitted to a portion protruding from the hub nut 4, and then the nut portion 12 of the mounting member 1 is mounted.
To the hub bolt 3. And this mounting member 1
While holding the wheel cover 7 in a state in which it is in the mounting portion 2 of the wheel cover 7, and rotating the engaging portion 11 in the direction of arrow A while pressing the lower end of the cylindrical portion 21 against the washer 6, and engaging the claw 13 Into the groove 24 of the engagement wall 23. Since the washer 6 has elasticity as described above, the lower surface of the groove 24 of the mounting portion 2 presses the lower surface of the engaging claw 13 by the reaction force, and the protrusion 13b is fitted into the recess 24a. Will be kept.

In this configuration, the mounting member 1 is connected to the hub bolt 3
Once mounted, the wheel cover 7 can be easily attached and detached simply by turning the engaging portion 11 with a tool such as a screwdriver while pressing the wheel cover 7 against the hub nut 4 side. In the mounted state, the reaction force of the washer 6 keeps the projection 13b formed on the engaging claw 13 of the mounting member 1 and the recess 24a formed on the groove 24 of the mounting portion 2 engaged. Therefore, the wheel cover 7 does not accidentally fall off the wheel 5. In addition, since the tightening force of the hub nut 4 does not directly act on the wheel cover 7, the wheel cover 7 can be formed thin and light.

[Brief description of the drawings]

FIG. 1 is an exploded perspective view showing a main part of a wheel cover mounting structure according to an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of a mounting member.

FIG. 3 is a vertical sectional view of a main part of the mounting structure.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Attachment member 2 Attachment part 3 Hub bolt 4 Hub nut 5 Disc wheel 6 Washer 7 Wheel cover 11 Engagement part 12 Nut part 12a Screw part 13 Engagement claw 13a Claw 13b Projection 14 Groove 15 Screw 21 Cylindrical part 22 Upper wall 23 Engagement Wall 24 groove 24a hollow 25 opening

Claims (1)

(57) [Scope of request for utility model registration] 1. A hub bolt protruding from a hub nut (4).
A wheel cover mounting structure comprising a mounting member (1) screwed to (3) and a mounting portion (2) formed on the wheel cover (7) to engage with the mounting member (1), Mounting member (1)
Is a nut part (12) having a screw hole (12a) screwed to the hub bolt (3), and the screw hole (12) with respect to the nut part (12).
a) an engaging portion (11) rotatably mounted around the central axis, and the engaging portion (11) is formed with an engaging claw (13) projecting radially outward, The mounting part (2) is
A cylindrical portion (21) for accommodating the mounting member (1) screwed to the (3) so that the engaging claw (13) can rotate, and the engaging claw (13 ) Is formed with a groove (24) through which an engagement wall (23) is formed.
The engaging claw (13) and the engaging wall (23) are
(13) engages at the position where it is inserted into the groove (24).
3b, 24a) An automobile wheel cover mounting structure, comprising: