KR200446003Y1 - Antipollution cover for Pneumatic Tire - Google Patents

Abstract

According to the present invention, when the pneumatic tire having the porous sound absorbing body is provided in the inner liner of the inner liner in the circumferential direction of the tire, the inflow of foreign matters and contamination caused by the air exposure of the sound absorbing body can be prevented in advance. It relates to a pollution prevention cover for a pneumatic tire that can be.

Tire packing, tire cover

Description

Anti-pollution cover for pneumatic tires {Antipollution cover for Pneumatic Tire}

The present invention relates to a pollution prevention cover for a pneumatic tire, and more particularly, in the case where the pneumatic tire having the porous sound absorbing body in the circumferential direction of the tire is provided outdoors on the inner liner, The present invention relates to a pollution prevention cover for a pneumatic tire that can block various foreign substances inflow and pollution caused by exposure to the atmosphere in advance.

In general, the pneumatic tire is filled with air, and the air filled in the tire vibrates because the road surface has the tire (or the tire has the road surface) when the vehicle is driven.

In other words, the air filled inside the tire generates noise while repeating the compression and expansion by the vibration generated when the tread portion of the tire contacts the road surface while driving, which is called a cavity resonance noise or a resonance sound.

When the frequency of the cavity resonance noise and the cavity resonance frequency inside the vehicle are the same, the level of the cavity resonance noise heard inside the vehicle is further increased, and there is a problem of adding discomfort and fatigue to the driver and the occupant.

Recently, as a method for reducing noise caused by resonance, a technology of processing a material such as polyurethane foam having sound absorption performance and inserting it into a cavity inside a tire, or attaching it to a rim surface or a tread bottom, that is, an inner liner Is being developed.

A material having a sound absorption performance of the same kind as the polyurethane foam described above is generally called a sponge. Sponge absorbs moisture and water easily, and it tends to discolor and corrode when exposed to sunlight and air for a long time, causing deterioration of sound absorption performance and durability of the material.

In order to solve this problem, a technique of directly covering a sound absorbing material in a tire or a technique of attaching a film-type cover by using a double-sided tape on both bead portions of the tire has been proposed. In this technology, when the tire with the sound absorbing material is mounted on the actual vehicle, the cover surrounding the sound absorbing material needs to be removed. However, the tape is not removed from the tire when the cover is removed.

In particular, when the tape is attached for a long time due to the characteristics of the tape has the disadvantage that it becomes more difficult to remove the adhesive surface.

The present invention devised to solve the above problems is to provide a pollution prevention cover for a pneumatic tire that protects the sound absorbing body inside the tire from foreign matter and is easy to attach.

The present invention for achieving the above object is, the inner cover is mounted on a tire provided with a sound absorbing body on the inner liner, the inner cover is disposed inside the tire and can cover the bead portion of the tire and a plurality of fitting grooves are formed And an outer cover disposed on an outer side of the tire to correspond to the inner cover and having a diameter capable of covering the bead of the tire and having a fitting protrusion detachable from the fitting groove, and having a handle hole at the center of the outer cover. It is formed, the center of the inner cover is a pollution prevention cover for pneumatic tire formed with a handle having a length protruding from the handle hole of the outer cover.

The outer cover and the inner cover is characterized in that consisting of a resin series or polypropylene, polymetal methacrylate.

In addition, the fitting groove has an expansion groove having a cross-sectional area is expanded, the fitting protrusion is characterized in that the expansion portion corresponding to the expansion groove.

In addition, the fitting groove and the fitting protrusion is formed in a constant pitch, characterized in that the outer peripheral surface of the fitting protrusion is in contact with the inner peripheral surface of the bead portion of the tire.

According to the present invention, in a tire provided with a sound absorbing body, the sound absorbing body can be prevented from inflow of foreign matter, and the durability of the sound absorbing material due to sunlight and air can be prevented in advance.

In addition, the manufacturing process time for installing the cover to protect the sound absorbing body can be reduced, and when the tire is mounted on the vehicle, the cover can be easily and quickly removed to reduce the working time.

Hereinafter, the present invention will be described with reference to the accompanying drawings, preferred embodiments. In adding reference numerals to the components of the following drawings, it is determined that the same components as possible, even if displayed on the other drawings as possible, and unnecessarily obscure the subject matter of the present invention Detailed descriptions of well-known functions and configurations will be omitted.

The antifouling cover for a pneumatic tire according to an embodiment of the present invention is manufactured using resin series or using polypropylene or polymethacrylate. This is because the above materials are flexible so that they can be easily inserted into and mounted inside the bead portion of the tire.

1 and 2 are a plan view and a side view of a pollution prevention cover for a pneumatic tire according to an embodiment of the present invention. And, Figure 3 is a cross-sectional view of a pneumatic tire with a pollution prevention cover for a pneumatic tire according to an embodiment of the present invention.

The anti-fouling cover for the pneumatic tire includes an outer cover 5a and an inner cover 5b.

The outer cover 5a and the inner cover 5b should have a diameter that can at least wrap the bead portion of the tire. That is, the diameter of the outer cover 5a and the inner cover 5b is larger than the rim diameter of the tire. However, when the outer cover 5a and the inner cover 5b cover or overlap the sidewalls, the sidewalls are difficult to combine with the outer cover 5a and the inner cover 5b and are stacked. Even when the outer cover (5a) is in contact with the outer cover (5a) mounted on the other tire may act as a disadvantage.

Therefore, the outer cover 5a and the inner cover 5b preferably have a size to cover only the bead portion.

As illustrated in FIGS. 2 and 3, the outer cover 5a includes a plurality of fitting protrusions 6a, 6b, 6c, 6d, 6e, 6f, 6g, and 6h integrally formed at the lower portion thereof. The fitting protrusions 6a, 6b, 6c, 6d, 6e, 6f, 6g, and 6h are disposed at regular intervals on the circumference of the outer cover 5a.

In addition, the fitting protrusions 6a, 6b, 6c, 6d, 6e, 6f, 6g, and 6h are located radially inward from the bead portion of the tire, so as not to be disturbed by the bead portion of the tire. At this time, it is preferable that the outer circumferential surface of the fitting protrusions 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h is in contact with the inner circumferential surface of the bead portion.

The fitting protrusions 6a, 6b, 6c, 6d, 6e, 6f, 6g, and 6h may be made of a material that can be deformed, such as polyethylene.

A plurality of fitting grooves 8 are formed in the inner cover 5b at positions corresponding to the fitting protrusions 6a, 6b, 6c, 6d, 6e, 6f, 6g, and 6h. The fitting groove 8 is open toward the outer cover 5a and is formed to protrude to the lower side of the inner cover 5b (opposite side of the outer cover 5a).

Accordingly, the fitting protrusions 6a, 6b, 6c, 6d, 6e, 6f, 6g, and 6h are larger than the gap between the outer cover 5a and the inner cover 5b to be insertable into the fitting groove 8. It is formed long.

And, in order to increase the coupling force of the fitting protrusions 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h and the fitting groove 8, as shown in Figure 2, the fitting protrusions 6a, An expansion portion is formed at the ends of 6b, 6c, 6d, 6e, 6f, 6g, and 6h, and the fitting groove 8 is formed to have an expansion groove corresponding to the expansion portion.

In addition, a handle 7 is formed in the inner cover 5b to facilitate installation, and a handle hole through which the handle 7 penetrates is formed in the center of the outer cover 5a.

Therefore, the length of the handle 7 should be formed longer than the interval between the outer cover (5a) and the inner cover (5b). However, the end of the handle 7 should not protrude from the sidewall, which is the highest position with respect to the equator plane of the tire, so as not to be disturbed when loading by the handle 7.

Contamination prevention cover for a pneumatic tire according to an embodiment of the present invention is basically configured as described above. Hereinafter, the installation and operation of the pollution prevention cover for a pneumatic tire of the present invention will be described with reference to FIG. 3.

First, the inner cover 5b is inserted into one of openings on both sides of which the sound absorbing body 4 is formed inside the bead portion of the tire 1 provided on the inner surface of the inner liner 3.

At this time, the outer cover 5a is positioned above the inner cover 5b while holding the handle 7. At this time, the fitting protrusions 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h and the fitting groove 8 are aligned to correspond to each other.

The handle 7 is pulled through the handle hole of the outer cover 5a. At this time, the fitting protrusions 6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h are inserted into the fitting groove 8 by pulling the handle 7.

The opposite side also combines the outer cover 5a and the inner cover 5b in the same manner.

At this time, since the outer circumferential surface of the fitting protrusions 6a, 6b, 6c, 6d, 6e, 6f, 6g, and 6h is positioned inward with the inner circumferential surface of the bead portion of the tire 1, as shown in FIG. Even when stored upright, the cover can be prevented from falling down.

On the contrary, when the outer cover 5a and the inner cover 5b are to be separated, the fitting protrusions 6a, 6b, 6c, 6d, 6e, 6f, 6g, and 6h are pushed by pushing the handle 7. It can be simply separated by detaching from the fitting groove (8).

As described above, it has been described with reference to a preferred embodiment of the present invention, but those skilled in the art various modifications and changes of the present invention without departing from the spirit and scope of the present invention described in the claims below I can understand that you can.

1 is a plan view of a pollution prevention cover for a pneumatic tire according to an embodiment of the present invention.

Figure 2 is a side view of a pollution prevention cover for a pneumatic tire according to an embodiment of the present invention.

3 is a cross-sectional view of a pneumatic tire having a pollution prevention cover for a pneumatic tire according to an embodiment of the present invention.

<Description of the symbols for the main parts of the drawings>

1: tire

2: bead part

3: inner liner

4: sound absorbing body

5a: outer cover

5b: inner cover

6a, 6b, 6c, 6d, 6e, 6f, 6g, 6h: fitting

7: handle

8: fitting groove

Claims (4)

It is mounted on the tire with the sound absorbing body installed on the inner liner, An inner cover disposed inside the tire to cover the bead of the tire and having a plurality of fitting grooves formed thereon, and disposed outside the tire to correspond to the inner cover to cover the bead of the tire. An outer cover having a diameter and having a fitting protrusion detachable from the fitting groove, A handle hole is formed at the center of the outer cover, and a pollution prevention cover for a pneumatic tire having a handle having a length protruding from the handle hole of the outer cover at the center of the inner cover. The antifouling cover for pneumatic tire according to claim 1, wherein the outer cover and the inner cover are made of resin, or made of polypropylene or polymetal methacrylate. The pollution prevention cover for pneumatic tires according to claim 1, wherein the fitting groove has an expansion groove in which a cross-sectional area is expanded, and the fitting protrusion has an expansion portion corresponding to the expansion groove. The contamination prevention cover for pneumatic tires according to claim 1, wherein the fitting groove and the fitting protrusion are formed at a constant pitch, and an outer circumferential surface of the fitting protrusion is in contact with an inner circumferential surface of the bead portion of the tire.

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