CN201922859U

CN201922859U - Anti-explosion cover tire structure

Info

Publication number: CN201922859U
Application number: CN2010206818336U
Authority: CN
Inventors: 陈秀雄
Original assignee: Cheng Shin Rubber Xiamen Ind Ltd
Current assignee: Cheng Shin Rubber Xiamen Ind Ltd
Priority date: 2010-12-27
Filing date: 2010-12-27
Publication date: 2011-08-10
Anticipated expiration: 2020-12-27

Abstract

The utility model discloses an anti-explosion cover tire structure which comprises a tire tread, a tire bead and a tire lip, wherein the tire tread, the tire bead and the tire lip consist of rubber, tire fabrics and steel wire rings, protective blocks are arranged at the lower edge of the tire bead and close to the tire lip, the bottom parts of the protective blocks are just adhered to an outer edge of a rim when a cover tire is installed on the rim, the protective blocks are uniformly distributed at the whole circumference of the tire bead, the axial width of the bottom parts of the protective blocks is at least 1mm relative to the cover tire, and the radial height of the protective blocks is at least 2mm relative to the cover tire. When an inner tube leaks air, and the cover tire travels at a lower air pressure, the protective blocks can be clamped at the outer edge of the rim so as to prevent the tire lip from sliding in a bottom groove of the rim and to improve the driving safety; when a vehicle encounters an external impact, the protective blocks are capable of reducing the impact on the tire bead of the cover tire and the rim so as to play the role of protecting the tire bead; therefore, the anti-explosion cover tire structure not only replaces the functions of an existing water-proof wire, but also prevents the lip from releasing, namely the anti-explosion without increasing the production cost.

Description

Explosion-proof tyre structure

Technical field

The utility model is about a kind of tire, is meant a kind of bicycle and the explosion-proof tyre structure of battery-driven car that can use safely under low blast state especially.

Background technology

Bicycle and electric vehicle tyre are in use because a variety of causes causes gas leakage, because bicycle and battery-driven car belong to walking-replacing tool at a slow speed, the customer there is no the consciousness of timely tonifying Qi mostly, therefore, most bicycle and electric vehicle tyre are still using under the situation that is lower than the standard blast.But for a long time at infrabar or do not have under the atmospheric pressure state and use, because vehicle weight is exerted pressure, can cause the tire lip can't be fixed on the wheel rim seat, break away from the wheel rim seat to it, so tire just can not continue to keep travelling profile, and vehicle body is easy to generate the inclination beat and causes the accident.

At present, for improving the safety performance of bicycle and electric vehicle tyre, consider design mostly from the following aspect:

1, promotes the air-tightness of the inner tube of a tyre, reduce gas leakage;

2, the carcass increase rigid material at cycle casing increases carcass strength, and tire is prevented by puncture.

These designs not only increase the complexity of technology, increase cost, can only reach to reduce to leak gas, prevent by the effect of puncture, can not solve tire breaks away from the wheel rim seat easily when hanging down blast problem fully.

Cooperate shown in Fig. 1,2, it be the semi arch projection of continuous full circle week distribution that common bicycle and electric vehicle tyre have water-proof wire 4 ', this water-proof wire 4 ' in the tyre bead 2 ' design of cover tire, and its radius is generally 0.4mm or 0.5mm.Whether the tire of just judging that water-proof wire 4 ' herein plays evenly is installed in the effect on the wheel rim, and the aspect of performance of tire is not but had obvious influence.

The utility model content

The purpose of this utility model is to provide a kind of explosion-proof tyre structure, and it not only substitutes existing water-proof wire function, can reach anti-anti-avulsion lip again, promptly explosion-proof effect, and do not increase productive costs.

For achieving the above object, solution of the present utility model is:

A kind of explosion-proof tyre structure, comprise tyre surface, tyre bead, the tire lip formed by rubber, cord and bead coil, wherein: the position at tyre bead lower edge and close tire lip is provided with protective block, the protective block bottom just was fitted in the wheel rim outer rim when cover tire was installed on the wheel rim, protective block is the full circle week that is uniformly distributed in tyre bead, the axial bottom width of its relative cover tire is at least 1mm, and the radial height of cover tire is at least 2mm relatively.

The cross section of described protective block is a triangle, and the axial bottom width of cover tire is 1 ~ 5mm relatively, and the radial height of cover tire is 2 ~ 10mm relatively.

The cross section of described protective block is a square, and the axial bottom width of cover tire is 1 ~ 5mm relatively, and the height radially of cover tire is 2 ~ 10mm relatively.

The cross section of described protective block is semicircle, and the axial bottom width of cover tire is that arc radius is 1 ~ 5mm relatively, and the height radially of cover tire is 2 ~ 10mm relatively.

Described protective block is height wavy in tyre bead spaced apart.

Described protective block is that height is spaced apart in the zig-zag of tyre bead.

After adopting such scheme and since the utility model possesses the protective block of definite shape and size be arranged on the cover tire after, when inner tube of a tyre gas leakage, when the low blast of cover tire travelled, protective block can be stuck in the wheel rim outer rim, prevents that the tire lip from slipping into the wheel rim kerve, increases travel safety; When vehicle runs into foreign impacts, can reduce the impulsive force of cover tire tyre bead and wheel rim, play the effect of protection tyre bead, so, it not only substitutes existing water-proof wire function, can reach anti-anti-avulsion lip again, promptly explosion-proof effect, and do not increase productive costs.

Description of drawings

Fig. 1 is common tyre structure sectional schematic diagram;

Fig. 2 is the supporting sectional schematic diagram of conventional tyre and wheel rim;

Fig. 3 is the utility model tyre structure sectional schematic diagram;

Fig. 4 is the utility model tire and the supporting sectional schematic diagram of wheel rim;

Fig. 5 is the schematic cross-section of the utility model cover tire continuous triangle shape protective block;

Fig. 6 is the schematic cross-section of the continuous square protective block of the utility model cover tire;

Fig. 7 is the schematic cross-section of the continuous semicircle protective block of the utility model cover tire;

Fig. 8 is the utility model cover tire wavy protective block plan sketch at interval;

Fig. 9 is the utility model cover tire wavy protective block A1-A1 schematic cross-section at interval;

Figure 10 is the utility model cover tire wavy protective block B1-B1 schematic cross-section at interval;

Figure 11 is the utility model cover tire zig-zag protective block plan sketch at interval;

Figure 12 is the utility model cover tire zig-zag protective block A2-A2 schematic cross-section at interval;

Figure 13 is the utility model cover tire zig-zag protective block B2-B2 schematic cross-section at interval.

The main element symbol

Tyre bead 2 ' water-proof wire 4 '

Tyre surface 1 tyre bead 2 tire lips 3 protective blocks 4

Cover tire C wheel rim E inner tube of a tyre F.

The specific embodiment

To shown in Figure 13, the utility model has disclosed the explosion-proof tyre structure of a kind of bicycle and electric vehicle as Fig. 3, and this cover tire C is made up of rubber, cord and bead coil.

It is formed with the tyre surface 1 that contacts with ground, is positioned at the tyre bead 2 of tyre surface 1 both sides and is positioned at the tire lip 3 of tyre bead 2 lower ends; Cover tire C is installed on the wheel rim, and the protective block bottom is fitted in wheel rim E outer rim.Key of the present utility model is:

As shown in Figure 3, be provided with protective block 4 in the position of tyre bead 2 lower edges and close tire lip 3, protective block 4 bottoms just were fitted in wheel rim E outer rim when cover tire C was installed on the wheel rim E, and protective block 4 is the full circle weeks that are uniformly distributed in tyre bead 1.

Cooperate shown in Figure 4ly, this protective block 4 is for to be distributed in the tyre bead connection bump in 1 full circle week, and because of specification size, necessary rim E pattern difference, protective block 4 bottoms are also different with the distance H 1 that D is put in tire lip 3 footpaths, and H1 is greatly about between 6 ~ 10mm.

Cooperate shown in Figure 5ly, the cross section of this protective block 4 is a triangle, and the axial bottom width L of cover tire C is 1 ~ 5mm relatively, and the radial height H2 of cover tire C is 2 ~ 10mm relatively; As shown in Figure 6, the cross section of this protective block 4 can be square, and the axial bottom width L of cover tire C is 1 ~ 5mm relatively, and the height H radially 2 of cover tire C is 2 ~ 10mm relatively; Again as shown in Figure 7, the cross section of this protective block 4 also can be semicircle, and the axial bottom width of cover tire C is that arc radius R is 1 ~ 5mm relatively, and the H2 radially of cover tire C highly is 2 ~ 10mm relatively.

Certainly, this protective block 4 also can be the same continuous projection of other shaped cross, also can be the wavy form shown in Fig. 8,9,10, and it is spaced apart promptly to be height on tyre bead, or the zig-zag form shown in Figure 11,12,13, it is spaced apart promptly to be height on tyre bead.

In a word, the protective block 4 that possesses definite shape and size is arranged at after cover tire C goes up, and when inner tube of a tyre F gas leakage, when the low blast of cover tire C travelled, protective block 4 can be stuck in wheel rim E outer rim, prevents that tire lip 3 from slipping into wheel rim E kerve, increases travel safety; When vehicle runs into foreign impacts, can reduce the impulsive force of cover tire C tyre bead 2 and wheel rim E, play the effect of protection tyre bead 2, so, it not only substitutes existing water-proof wire 4 ' function, can reach anti-anti-avulsion lip again, promptly explosion-proof effect, and do not increase productive costs.

The above only is a preferred embodiments of the present utility model, is not the utility model is done any pro forma restriction.Every technical solutions of the utility model content that do not break away from is made any simple modification, modification and equivalent variations according to technical spirit of the present utility model, all still belongs to the scope of technical solutions of the utility model.

Claims

1. explosion-proof tyre structure, comprise tyre surface, tyre bead, the tire lip formed by rubber, cord and bead coil, it is characterized in that: the position at tyre bead lower edge and close tire lip is provided with protective block, the protective block bottom just was fitted in the wheel rim outer rim when cover tire was installed on the wheel rim, protective block is the full circle week that is uniformly distributed in tyre bead, the axial bottom width of its relative cover tire is at least 1mm, and the radial height of cover tire is at least 2mm relatively.

2. explosion-proof tyre structure as claimed in claim 1 is characterized in that: the cross section of protective block is a triangle, and the axial bottom width of cover tire is 1 ~ 5mm relatively, and the radial height of cover tire is 2 ~ 10mm relatively.

3. explosion-proof tyre structure as claimed in claim 1 is characterized in that: the cross section of protective block is a square, and the axial bottom width of cover tire is 1 ~ 5mm relatively, and the height radially of cover tire is 2 ~ 10mm relatively.

4. explosion-proof tyre structure as claimed in claim 1 is characterized in that: the cross section of protective block is for semicircle, and the axial bottom width of cover tire is that arc radius is 1 ~ 5mm relatively, and the height radially of cover tire is 2 ~ 10mm relatively.

5. explosion-proof tyre structure as claimed in claim 1 is characterized in that: protective block is height wavy in tyre bead spaced apart.

6. explosion-proof tyre structure as claimed in claim 1 is characterized in that: protective block is spaced apart in the zig-zag of tyre bead for height.