JPH08230403A - Hub cap structure for automobile - Google Patents

Abstract

PURPOSE: To provide a hub cap structure for an automobile by which sure locking and permanent use can be accomplished. CONSTITUTION: In a hub cap main body 11 which is used for a vehicle, provided with notch parts 13 positioned on the basis of relation with a bolt member fixing an automobile wheel on an axle side, and stopped in an axle hole in the automobile wheel by means of a press fitting member 16 projected on a tongue shaped projection piece part 14 formed dividedly by the notch parts 13, the press fitting member 16 is constructed of a projection part 17 arranged on one side of the tongue shaped projection piece part 14 and a soft contact part 21 to be stopped freely removably via a groove part 15 arranged on the other side of the tongue projection part 14. Desirably, the projection part 17 is formed of a lifted piece 18 provided with a gentle slope face 18c formed via a ridge line part 18a. In addition, preferably, the soft contact part 21 is formed of a standing piece part 22, a lower clamping piece part 23 arranged in the cross direction in the base part of the standing piece part 22, and an upper clamping piece part 24 arranged in the cross direction at the top of the standing piece part 22.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automobile hub cap structure, and more particularly, to an automobile in which a hub cap body can be securely and easily fixed to an axle hole of an automobile wheel. Hub cap structure for vehicle.

[0002]

2. Description of the Related Art Recently, in various automobiles such as a four-wheel drive vehicle, an axle hole of an automobile wheel is mainly used to conceal an axle arranged at a central portion of the wheel so as not to be seen. The hub cap is being fastened to.

FIG. 5 is an explanatory view showing the conventional structure of the above hub cap by enlarging the essential parts thereof.
When, for example, a vehicle wheel is fixed to the shaft end of the axle using a total of six bolts, a total of six notches 3 provided in relation to the positions of these bolts are opened. It is provided in the peripheral portion 2 and is formed in a bottomed tubular shape having a substantially U-shaped cross section.

Moreover, a tongue-shaped projection piece 4 defined by the notch 3 is formed on the open peripheral edge portion 2 of the hub cap body 1, and the tongue-shaped projection piece 4 is provided so as to project. By means of the pressure contact member 5, the wheel can be pressed against the axle hole side of the vehicle wheel and can be freely attached and detached.

In this case, the press contact member 5 has a protruding portion 6 which is bulged at the center of each tongue-shaped protruding portion 4 in the circumferential direction.
And a pair of bulging portions 7 protruding from the left and right sides of the protruding portion 6,
7 and 7.

Of these, the protrusions 6 are mainly fixed to the axle holes of the automobile wheel and then pressed so as to function so as not to separate, and more specifically, the ridge line portion 6a. It is formed by providing a steep slope portion 6b inclined from the side toward the open edge 4a of the tongue-shaped projection portion 4 and a gentle slope portion 6c inclined toward the opposite direction via the ridge line portion 6a. .

Further, the bulging portion 7 is intended to be simply brought into pressure contact with the axle hole of the automobile wheel, and therefore is formed by protruding to the required height. Become.

[0008]

By the way, even with the conventional hub cap body 1 which has been conventionally used, the axle arranged at the center of the wheel of a four-wheel drive vehicle or the like can be visually observed by fixing the hub cap body 1 to the vehicle wheel. It can be hidden so that nothing happens.

However, since the press-contact member 5 including the protrusion 6 and the bulge 7 is integrally formed on the hub cap body 1, the press-contact member 5 is repeatedly attached to and detached from the automobile wheel. Since the sliding contact surface may be worn, in such a case, it is uneconomical to replace the hub cap body 1 itself.

Further, the vehicle wheel and the hub cap body 1 are not always formed by using the same material, and thus the expansion coefficient and the contraction coefficient may be different between them. In such a case, there is a possibility that the hub cap body 1 may be loosened under the extreme cold and heat.

In view of the above problems in the prior art, the present invention provides a hub cap structure for an automobile, which can be fixedly attached under an optimum condition and can be used permanently. Especially that purpose.

[0012]

The present invention achieves the above object. Among them, the structural feature of the invention of claim 1 is that a bolt member for fixing an automobile wheel to an end of an axle is provided. Of the axle hole of the automobile wheel through a pressure contact member projecting on a tongue-like projecting portion defined by these cutouts. A hub cap for an automobile, which has a U-shaped cross section and is press-contacted to a side to be fixedly attached to the concealment of the axle, wherein the press-contact member is provided on one side portion in the circumferential direction of each tongue-shaped protrusion. It is formed by the provided protrusion and the soft contact portion that can be freely attached / detached through the groove provided on the other side.

According to a second aspect of the present invention, the protrusion forming the press contact member is formed from a side near the open edge of the tongue-like protrusion toward the inside under a gentle slope. It is formed by a cut and raised piece that is tilted forward.

Further, the constitutional feature of the third aspect of the present invention is that the soft contact portion forming the pressure contact member is introduced into and disposed in the groove along the length direction thereof. , The lower sandwiching piece portion arranged in the intersecting direction at the base portion of the standing piece portion and the upper sandwiching piece portion arranged in the intersecting direction at the top portion have a substantially E-shaped cross section. It has been formed. In this case, it is preferable that the upper sandwiching piece portion has a front end face in the longitudinal direction as a front inclined surface portion as described in claim 4.

Still further, according to a fifth aspect of the present invention, in the groove portion to which the soft contact portion is fixed, at least one end in the longitudinal direction of the groove portion is provided with an introduction enlarged diameter portion. It is provided and formed.

[0016]

Therefore, according to the first aspect of the present invention, the press-contact member includes the protruding portion that is bulged on each tongue-shaped protruding piece portion and the soft contact portion that is detachably fixed to the groove portion. Therefore, even if wear occurs on the pressure contact member side when the hub cap body is repeatedly attached and detached, at least by replacing the soft contact portion, the reliable fastening state can be obtained. Can be made permanent. Moreover, since the soft contact portion forming the pressure contact member is soft,
It is possible to press the side of the axle hole of the automobile wheel more reliably.

Further, as described in claim 2, the side of the projecting portion which constitutes the pressure contact member is tilted inward from the side near the open edge of the tongue-like projecting portion under a gentle slope. When the hub cap body is fastened to the side of the automobile wheel, the cut-and-raised piece may be pressed down against the inner surface of the axle hole when it is formed by the cut-and-raised piece. The hub cap body can be smoothly press-fitted while being guided by the gentle slope. Moreover, after the hub cap main body is fixed to the automobile wheel, the ridge line portion of the cut-and-raised piece itself continuously presses the inner surface of the axle hole as a result of the restoring force of the piece. It can be surely prevented.

Further, when the soft contact portion is formed by the upright piece, the lower sandwiching piece and the upper sandwiching piece as described in claim 3, the upright piece is formed in the groove. Introduced the department,
Moreover, since the soft contact portion can be arranged such that the tongue-shaped protruding piece is sandwiched between the lower sandwiching piece portion and the upper sandwiching piece portion, it is possible to secure the fixed state. You can When the front end surface of the upper sandwiching piece has a front inclined surface portion as described in claim 4, the front end surface has a soft contact with the axle hole of the vehicle wheel via the front inclined surface portion. Parts can be sent smoothly.

Further, when the groove portion is provided with a diameter-increasing portion for introduction as in the fifth aspect of the present invention, the soft abutment portion is provided with the diameter-increasing portion for introduction on the tip end side thereof. Can be introduced smoothly.

[0020]

1 is an overall perspective view showing an embodiment of the present invention, in which a hub cap body 11 is made of a metal material such as stainless steel or an appropriate synthetic resin material and has a cylindrical shape having a substantially U-shaped cross section. A cutout portion 13 that is formed and is positioned and regulated in relation to a bolt material for fixing an automobile wheel to the end portion of the axle, and a tongue-shaped projection piece defined by each cutout portion 13 A portion 14 and an open peripheral portion 12 thereof.

Moreover, the tongue-shaped projecting pieces 14 formed on the open peripheral edge 12 are provided with the pressure contact members 16, and the pressure contact members 16 are interposed between the tongue-like protrusions 14 to provide the structure shown in FIGS. 4, the hub cap body 11 is fixedly attached to the wheel 30 for automobiles having the rim portion 32 by pressure contact with the side of the axle hole 31 to conceal the axle.

Moreover, the press-contact member 16 is provided with a protrusion 1 that is bulged on one side in the circumferential direction of each tongue-shaped protrusion 14.
7 and a soft contact portion 21 made of, for example, synthetic rubber or the like, which is detachably attached via a groove portion 15 provided on the other side portion.

In this case, the protrusion 17 which is one of the members of the pressure contact member 16 has the open edge 14 of the tongue-shaped protrusion 14.
It is formed by cutting and raising the cut-and-raised piece 18 which is tilted forward from the side in the vicinity of a toward the inside under a gentle slope from the tongue-shaped protruding piece portion 14 itself. For this reason, the cut-and-raised pieces 18 are not shown in FIG.
As specifically shown in FIG. 1, the steep slope portion 1 is inclined forward toward the open edge 14a side of the tongue-shaped projecting piece portion 14 via the ridge line portion 18a.
8b and a gentle slope portion 18 that is inclined forward in the opposite direction
c and. The protrusion 17 is a tongue-like protrusion as a bulge (not shown) having a steep slope and a gentle slope formed through a ridge portion, if necessary, similarly to the cut-and-raised piece 18. It can also be formed by extrusion molding from the inner surface side of 14. Further, when the hub cap body 11 is made of a synthetic resin material, a bulge portion (not shown) having a steep slope portion and a gentle slope portion is integrally formed as the protrusion 17 via the ridge portion. It may be one.

The soft contact portion 21, which is the other component of the pressure contact member 16, has a rising piece portion 22 that is introduced and arranged in the groove portion 15 along the length direction thereof, and this rising piece portion 22. The lower sandwiching piece portion 23 arranged in a wing shape in the intersecting direction at the base of 22 and the upper sandwiching piece portion 24 arranged in a wing shape in the intersecting direction at the top section have a substantially sectional shape. It is formed to have a letter shape. In this case, the upper sandwiching piece portion 24 reduces the frictional resistance when the hub cap body 11 is press-fitted into the axle hole 31 side of the automobile wheel 30, so that the front end face in the longitudinal direction, that is, It is desirable to form a front inclined surface portion 24a inclined at an appropriate angle on the front end surface in the press-fitting direction.

Further, the groove portions 15 to which the soft contact portions 21 are fixed may be formed with the same width, but more preferably, at least one of them in the longitudinal direction thereof. As shown in FIG. 2, it is desirable to provide an introduction expanded diameter portion 15a having a width substantially the same as the lateral width of the upper sandwiching piece portion 24 at the end.

According to the first aspect of the present invention having the above-described structure, the pressure contact member 16 has the protrusion 17 formed on each of the tongue-shaped protrusions 14 and the groove 15. Since it is formed of the soft contact portion 21 that is detachably fixed, even if the press contact member 16 may wear during repeated attachment and detachment of the hub cap body 11, at least the soft contact portion 21 is soft. By replacing the contact portion 21,
The reliable fastening state can be made permanent. Moreover, the soft contact portion 21 that constitutes the pressure contact member 16
Since it is made of soft synthetic rubber or the like, it can be more reliably pressed against the axle hole 31 side of the vehicle wheel 30 by utilizing its cushioning property, as shown in FIG.

When the protruding portion 17 forming the press-contact member 15 is formed by the cut-and-raised piece 18 as in claim 2, the hub cap body is formed on the automobile wheel 30 side. When press-fitting to fix 11
As shown in FIG. 4, the cut-and-raised piece 18 is pressed against the inner peripheral surface of the enlarged diameter portion 31a of the axle hole 31, and the slackened portion 18 is forcibly pressed down through the ridge line portion 18a. Slope 1
It can be pushed in smoothly while being guided by 8c.

Moreover, after the hub cap body 11 is fixed to the automobile wheel 30, the ridge line portion 18a is formed by the resilience of the cut and raised piece 18 itself, which is accompanied by the spring property.
Continuously presses the inner surface of the axle hole 31, and since the steep slope portion 18b is also formed in the disengagement direction, it is possible to reliably prevent the slack from naturally retreating,
The fastening relationship between the vehicle wheel 30 and the hub cap body 11 can be made more reliable and firm.

Further, when the soft contact portion 21 is formed by the upright piece portion 22, the lower sandwiching piece portion 23 and the upper sandwiching piece portion 24 as described in claim 3, the groove portion is formed. The upright piece 22 is introduced after the lower sandwiching piece 23 is pushed in while being bent, and the tongue-shaped protruding piece 14 is divided into the lower sandwiching piece 23 and the upper sandwiching piece 24. Since the soft contact portion 21 can be arranged so as to be sandwiched, the fixed state can be ensured. The front end surface of the upper sandwiching piece portion 24 has a front inclined surface portion 2 as described in claim 4.
4a (see FIG. 2), the soft contact portion 21 can be smoothly fed into the axle hole 31 of the vehicle wheel 30 through the front inclined surface portion 24a.

Further, when the groove portion 15 is provided with the introduction enlarged diameter portion 15a as in the fifth aspect of the present invention, the introduction enlarged diameter portion 15a is utilized as shown in FIG. The soft contact portion 21 can be smoothly introduced from the tip end side thereof.

[0031]

As described above, according to the invention described in claim 1 of the present invention, the pressure contact member is detachably attached to the protrusions formed on the tongue-shaped protrusions and the groove. Since it is formed with a soft contact portion to be fixed, even if wear may occur on the pressure contact member side during repeated attachment and detachment of the hub cap body, at least by replacing the soft contact portion By taking measures against rattling, a reliable fastening state can be made permanent. Moreover, since the soft contact portion forming the pressure contact member is soft, the soft contact portion can be more reliably pressed against the axle hole side of the automobile wheel.

Further, the side of the protrusion forming the press contact member is tilted forward from the side near the open edge of the tongue-like protrusion toward the inside under a gentle slope as described in claim 2. If the cut-and-raised piece is formed, when the hub cap is fastened to the side of the automobile wheel, the cut-and-raised piece is pressed against the inner surface of the axle hole. The hub cap can be smoothly press-fitted while being guided by the gentle slope. Moreover, after the hub cap body is fixed to the automobile wheel, the ridge line portion always presses the inner surface of the axle hole by the restoring force (spring force) held by the cut-and-raised piece itself. Withdrawal can be prevented more reliably.

Further, when the soft contact portion is formed by the upright piece, the lower sandwiching piece and the upper sandwiching piece as in claim 3, the upright piece is formed in the groove. Introduced the department,
Moreover, since the soft contact portion can be arranged such that the tongue-shaped protruding piece is sandwiched between the lower sandwiching piece portion and the upper sandwiching piece portion, it is possible to secure the fixed state. You can When the front end surface of the upper sandwiching piece has a front inclined surface portion as described in claim 4, the front end surface has a soft contact with the axle hole of the vehicle wheel via the front inclined surface portion. Parts can be sent smoothly.

Further, when the groove portion is provided with the introduction enlarged diameter portion as in the fifth aspect of the present invention, the soft abutment portion is moved toward the tip end side by utilizing the introduction enlarged diameter portion. Can be introduced smoothly.

[Brief description of drawings]

FIG. 1 is an overall perspective view showing an embodiment of the present invention.

FIG. 2 is an enlarged perspective view of an essential part showing a positional relationship between members in the embodiment shown in FIG.

FIG. 3 is a sectional view showing a fastening relationship between a hub cap and an automobile wheel according to the present invention.

FIG. 4 is an enlarged view of a main part of a surrounding portion by a one-dot chain line in FIG.

FIG. 5 is an enlarged perspective view of a main part of a conventional hub cap as an example.

[Explanation of symbols]

 11 Hub Cap Main Body 12 Open Edge 13 Notch 14 Tongue-shaped Projection 14a Open Edge 15 Groove 15a Introducing Expanded Portion 16 Pressure Contact Member 17 Projection 18 Cut-and-raised Piece 18a Ridge 18b Steep Slope 18c Slow Slope 21 Soft Contact part 22 Standing piece part 23 Lower sandwiching piece part 24 Upper sandwiching piece part 24a Front sloping surface part 30 Car wheel 31 Axle hole 31a Expanding part 32 Rim part

Claims (5)

[Claims] 1. A tongue-shaped projection piece defined by the cutouts, the cutouts having their positions regulated in relation to a bolt member for fixing an automobile wheel to the end of the axle. In a hub cap for an automobile having a U-shaped cross section, which is press-fitted to the axle hole side of the automobile wheel via a press-fitting member that is protrudingly attached to the axle to conceal the axle freely, , A tongue-shaped protrusion having a protrusion protruding on one side in the circumferential direction and a soft contact portion that can be freely attached and detached via a groove provided on the other side. A hub cap structure for an automobile characterized by being formed. 2. The protruding portion forming the press-contact member is formed by a cut-and-raised piece that is inclined forward inward from a side near the open edge of the tongue-shaped protruding piece portion under a gentle slope. The hub cap structure for an automobile according to claim 1, which is characterized in that. 3. The soft contact portion forming the pressure contact member,
A standing piece portion introduced and arranged along the length direction in the groove portion, a lower sandwiching piece portion arranged in a crossing direction at a base portion of the rising piece portion, and a crossing direction at a top portion. The hub cap structure for an automobile according to claim 1 or 2, wherein the hub cap structure for an automobile is formed so as to have a substantially E-shaped cross section with the upper sandwiching piece portion provided. 4. The automobile hub according to claim 1, wherein the upper sandwiching piece portion of the soft contact portion has a front end surface in the length direction as a front inclined surface portion. Cap structure. 5. The groove portion to which the soft contact portion is fixed is provided with a diameter-increasing portion for introduction at least at one end in the lengthwise direction thereof. A hub cap structure for an automobile according to the item Crab