KR20170021400A - The Run-Flat Tire - Google Patents

The Run-Flat Tire Download PDF

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Publication number
KR20170021400A
KR20170021400A KR1020150115362A KR20150115362A KR20170021400A KR 20170021400 A KR20170021400 A KR 20170021400A KR 1020150115362 A KR1020150115362 A KR 1020150115362A KR 20150115362 A KR20150115362 A KR 20150115362A KR 20170021400 A KR20170021400 A KR 20170021400A
Authority
KR
South Korea
Prior art keywords
tire
reinforcing
run
truss
rim
Prior art date
Application number
KR1020150115362A
Other languages
Korean (ko)
Inventor
조명국
박상욱
박숙진
Original Assignee
넥센타이어 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 넥센타이어 주식회사 filed Critical 넥센타이어 주식회사
Priority to KR1020150115362A priority Critical patent/KR20170021400A/en
Publication of KR20170021400A publication Critical patent/KR20170021400A/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/0009—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts
    • B60C17/0036—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor comprising sidewall rubber inserts, e.g. crescent shaped inserts comprising additional reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
    • B60C17/041—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency characterised by coupling or locking means between rim and support
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
    • B60C17/06—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency resilient
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C17/00—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor
    • B60C17/04—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency
    • B60C17/06—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency resilient
    • B60C2017/068—Tyres characterised by means enabling restricted operation in damaged or deflated condition; Accessories therefor utilising additional non-inflatable supports which become load-supporting in emergency resilient comprising springs, e.g. helical springs

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

The present invention relates to a run-flat tire, and more specifically, to a run-flat tire comprising: a rim on which a tire is installed; a truss member installed in the rim; a reinforcing member installed on an inner surface of the tire to reinforce the tire; and an elastic member provided on the truss member to apply elasticity to the tire when the tire is compressed.

Description

The Run-Flat Tire < RTI ID = 0.0 >

The present invention relates to a run-flat tire in which a reinforcing member and a truss member are provided in a tire to allow a certain distance to be safely traveled even when air pressure is lowered due to tire puncture during running.

In recent years, as consumers' demands for safety have expanded, various devices have been developed to prevent accidents in driving a vehicle. In addition, a run-flat tire was proposed that can run on pressure loss due to puncture while driving.

In general, a tire is constituted by a tread portion, a side wall portion and a bead portion. However, the Run-Flat Tire has a structure in which an insert rubber is added to the side wall portion as described in Prior Art 1 (Korean Patent Registration No. 10-0655927) Or a rubber layer is reinforced on the sidewall as described in Prior Art 2 (Korean Patent Registration No. 10-1360959), or a support is provided as described in the prior art 3 (Korean Patent Registration No. 10-0887286) Even if the air pressure is lowered at the time of occurrence, the vehicle is able to travel at a certain distance.

This conventional Run-Flat Tire has a problem that the weight of the tire is increased due to the reinforcing material added to the side wall portion, thereby decreasing the efficiency of fuel consumption. In addition, Resulting in a decrease in ride comfort. The stiffness of the sidewall portion is increased more than necessary, and the driving feeling is restricted by the sidewall portion.

Korea Patent No. 10-0655927 Korean Patent No. 10-1360959 Korean Patent No. 10-0887286

SUMMARY OF THE INVENTION It is an object of the present invention to provide a run-flat tire that improves ride comfort and improves fuel economy.

In order to achieve the above object, a run-flat tire according to the present invention comprises: a rim provided with a tire; a truss member provided on the rim; and a reinforcing member provided on an inner surface of the tire to reinforce the tire And an elastic member provided on the truss member and applying elasticity to the tire when the tire is compressed.

The truss member is further provided with a supporting member, the reinforcing member is further provided with a protrusion, and the supporting member is inserted into the protrusion when the tire is compressed.

And the elastic member is provided between the supporting member and the projection to impart elasticity to the tire.

The truss member is made of aluminum or carbon steel.

And the reinforcing member is made of a silicon material.

And the elastic member is a spring.

According to the run-flat tire of the present invention as described above, the following effects are obtained.

A run-flat tire of the present invention comprises a rim provided with a tire, a truss member provided on the rim, a reinforcing member provided on an inner surface of the tire to reinforce the tire, And an elastic member provided on the tires to apply elasticity to the tires when the tires are compressed. Therefore, even when the tire is punctured or the pressure is low, a ride feeling can be maintained and accidents can be prevented. Further, the change of the tire shape can be minimized due to the truss member and the reinforcing member, and since the load is supported, the vehicle can be driven at a constant distance, thereby improving the stability. Further, the reinforcing member serves to control the tire to maintain a constant grounding shape, and the elastic member advantageously buckles the sidewall portion from the point of time when air pressure is exerted due to the load of the vehicle due to the load of the vehicle during the tire puncture, The ride can be maintained. In addition, since the center of the vehicle is not biased, it is possible to prevent a secondary accident caused by the inability to steer, lighten the weight of the tire, improve the fuel economy, and reduce the fatigue of the driver.

Characterized in that the truss member is further provided with a supporting member, the reinforcing member is further provided with a protruding portion, and the supporting member is inserted into the protruding portion when the tire is compressed, so that even when accident or sudden air pressure is leaked, So that it is possible to protect the occupant and secure the stability of the tire.

Wherein the elastic member is provided between the supporting member and the projection to impart elasticity to the tire. The airbag function of the tire when the air pressure is leaked can securely move a certain distance while maintaining a ride feeling, So that the shape of the tire is maintained during normal operation, so that the ride comfort can be improved.

The truss member may be made of aluminum or carbon steel. The weight of the tire may be reduced to improve the fuel consumption, and the rigidity of the truss member may be improved. Also, the center of gravity of the vehicle can be prevented from being biased even when the air pressure of the tire is suddenly changed, so that the vehicle can be driven at a constant distance while maintaining the stability of stability and ride comfort.

The reinforcing member is made of a silicon material, so that the adhesive force is excellent and the work can be facilitated.

The elastic member is a spring, so that the tire is buffered. Therefore, the shape of the tire can be maintained so as to maintain the riding comfort at normal times. When the air pressure is leaked, Since it can be maintained during a certain distance, safety of the driver can be secured.

1 is a sectional view of a run-flat tire according to a preferred embodiment of the present invention;
2 is a sectional view when the tire is compressed in Fig. 1;

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

For reference, the same components as those of the prior art of the present invention will be described with reference to the above-mentioned prior arts, and a detailed description thereof will be omitted.

FIG. 1 is a sectional view of a run-flat tire according to a preferred embodiment of the present invention, and FIG. 2 is a sectional view of the tire compression of FIG. 1.

In general, Run-Flat Tire is a pneumatic tire designed to travel at a constant distance even when the tire pressure is low.

A run-flat tire according to the present invention comprises a rim 2 on which a tire 1 is mounted, a truss member 3 provided on the rim 2, A reinforcing member 5 provided on the truss member 3 for reinforcing the tire 1 and an elastic member 9 provided on the truss member 3 for imparting elasticity to the tire 1 when the tire 1 is compressed .

The tire (1) is mounted on the rim (2). Thus, the rim 2 and the tire 1 form an airtight space.

The truss member 3 is installed in the rim 2 and is located in the closed space.

As shown in FIG. 1, the truss member 3 has a trapezoidal shape with an open bottom.

The truss member 3 is fixed to the rim 2 by a fastening member (not shown).

The fastening member (not shown) is suitably a bolt and a nut, but may be of any type as long as the truss member 3 can be stably fixed to the rim 2.

The truss member 3 includes a first body 41, a second body 42, and a third body 43.

The first body 41 is in the form of a bar.

One side of the first body 41 is fixed to one side of the rim 2 and is installed on one side of the rim 2 by a fastening member (not shown).

The other side of the first body 41 is formed integrally with one side of the second body 42, which will be described later.

The length of the first body 41 is shorter than the length of the second body 42, which will be described later, and is the same as the length of the third body 43 described later.

The first body 41 is preferably symmetrical with the third body 43, which will be described later, by the center line of the second body 42, which will be described later.

The third body 43 is in the form of a bar.

One side of the third body 43 is integrally formed on the other side of the second body 42, which will be described later.

The other side of the third body 43 is fixed to the other side of the rim 2 and is provided on the other side of the rim 2 by the fastening member (not shown).

The length of the third body 43 is shorter than the length of the second body 42, which will be described later, and is the same as the length of the first body 41.

The third body 43 is preferably symmetrical with respect to the first body 41 by a center line of the second body 42, which will be described later.

The second body 42 is bar-shaped.

One side of the second body 42 is integrally formed with the other side of the first body 41 and the other side of the second body 42 is formed integrally with one side of the third body 43.

The truss member is preferably made of aluminum or carbon steel.

A supporting member 6 is provided on the upper surface of the second body 42.

The support member 6 includes a first support member 6 and a second support member 6.

The first support member 6 is bar-shaped.

The first support member 6 is installed on the left side of the upper surface of the second body 42.

The first support member 6 is inserted into a hole formed in the projecting portion 52 of the reinforcing member 5 to be described later when the tire 1 is compressed.

The first supporting member 6 and the second supporting member 6 to be described later are the same.

On the upper surface of the first supporting member 6, an elastic member 9 is provided. One side of the elastic member 9 is provided on the upper surface of the first supporting member 6 and the other side is provided on the reinforcing member 5 to be described later. So that elasticity is given to the tire 1 between the truss member 3 and the reinforcing member 5. [

Such an elastic member 9 is preferably composed of a spring.

The second support member 6 is bar-shaped.

The second support member 6 is installed on the right side of the upper surface of the second body 42.

The second support member 6 is inserted into a hole formed in the projecting portion 52 of the reinforcing member 5 to be described later when the tire 1 is compressed.

The second support member 6 and the first support member 6 are the same.

An elastic member 9 is provided on the upper surface of the second support member 6. One side of the elastic member 9 is provided on the upper surface of the second supporting member 6 and the other side is provided on the reinforcing member 5 to be described later. So that elasticity is given to the tire 1 between the truss member 3 and the reinforcing member 5. [

Such an elastic member 9 is preferably composed of a spring.

The first supporting member 6 and the second supporting member 6 are provided symmetrically with respect to the center line of the second truss member 3 so that the first supporting member 6 and the second supporting member 6 are the same .

A reinforcing member (5) is provided on the inner surface of the tire (1).

The reinforcing member 5 is provided on the inner surface of the tread 3 of the tire 1.

The reinforcing member (5) includes a reinforcing body (51) and a projection (52).

The reinforcing body (51) is installed in close contact with the inner surface of the tread (3).

Flexural portions 54 are formed on both sides of the reinforcing body 51.

The bent portion 54 is formed from the tread 3 to a portion leading to the sidewall.

The radius of the bent portion 54 is preferably smaller than the radius of the reinforcing body 51.

A protruding portion 52 is integrally provided at a lower portion of the reinforcing body 51.

The protruding portion 52 protrudes downward from the lower surface of the reinforcing body 51, and a hole is formed at the center.

The elastic member (9) is provided on the upper part of the hole.

That is, the elastic member 9 is installed in the hole so as to be close to the lower surface of the reinforcing body 51.

And the support member 6 is provided under the hole. Thus, when the tire is compressed, the support member 6 is inserted into and released from the hole.

The reinforcing member is preferably made of a silicon material.

Hereinafter, the operation of the present embodiment having the above-described configuration will be described.

As shown in Fig. 1, the reinforcing member 5 allows the tire 1 to maintain a constant ground shape during normal traveling.

As shown in FIG. 2, when the air pressure of the tire is lost, the tread 3 of the tire 1 presses the reinforcing member 5 due to the load of the vehicle.

Elasticity is imparted to the tire by the elastic force of the elastic member 9 to delay deformation of the tire.

The elastic member 9, the truss member 3, and the supporting member 6 are integrated with each other when the air pressure of the tire is further reduced and the elastic coefficient of the elastic member 9 is exceeded.

At this time, the reinforcing member 5, the integral elastic member 9, the truss member 3, and the supporting member 6 become I-beam type to support the surface of the tread 3, The center of the vehicle is prevented from being biased, and the vehicle can be driven at a constant distance while maintaining the stability and ride comfort.

It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined in the appended claims. .

As described above, the run-flat tire according to the present invention is particularly suitable for a run-flat tire that travels a certain distance even if the air pressure is lost.

1: Tire 2: Rim
3: Tread 4: Truss member
41: first body 42: second body
43: third body 5: reinforcing member
51: Reinforcing body 52:
54: flexion part 6: support member
9: Elastic member

Claims (6)

A rim on which a tire is installed;
A truss member installed in the rim;
A reinforcing member installed on an inner surface of the tire to reinforce the tire;
And an elastic member provided on the truss member to apply elasticity to the tire when the tire is compressed. The method according to claim 1,
The truss member is further provided with a supporting member, the reinforcing member is further provided with a projection,
Wherein the support member is inserted into the protrusion when the tire is compressed. The method of claim 2,
Wherein the elastic member is provided between the support member and the projection to impart elasticity to the tire. The method of claim 3,
Wherein the truss member is made of aluminum or carbon steel. The method of claim 3,
Wherein the reinforcing member is made of a silicon material. The method of claim 3,
The run-flat tire according to claim 1, wherein the elastic member is a spring.
KR1020150115362A 2015-08-17 2015-08-17 The Run-Flat Tire KR20170021400A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150115362A KR20170021400A (en) 2015-08-17 2015-08-17 The Run-Flat Tire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150115362A KR20170021400A (en) 2015-08-17 2015-08-17 The Run-Flat Tire

Publications (1)

Publication Number Publication Date
KR20170021400A true KR20170021400A (en) 2017-02-28

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KR1020150115362A KR20170021400A (en) 2015-08-17 2015-08-17 The Run-Flat Tire

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109435586A (en) * 2018-12-28 2019-03-08 李宗展 A kind of anti-sting protection means against tyre bursting
KR20200048019A (en) * 2018-10-29 2020-05-08 넥센타이어 주식회사 Run flat tire having run flat bar
KR20200073401A (en) 2018-12-14 2020-06-24 금호타이어 주식회사 Pneumatic Tire
KR20240047245A (en) 2022-10-04 2024-04-12 금호타이어 주식회사 Tire wheel for vehicles being driven temporarily

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100655927B1 (en) 2005-07-07 2006-12-08 한국타이어 주식회사 Self-supporting pneumatic run flat tires
KR100887286B1 (en) 2007-10-17 2009-03-06 한국타이어 주식회사 Supporter in run-flat tire
KR101360959B1 (en) 2012-11-14 2014-02-11 에프앤씨주식회사 Driving device anti punture

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100655927B1 (en) 2005-07-07 2006-12-08 한국타이어 주식회사 Self-supporting pneumatic run flat tires
KR100887286B1 (en) 2007-10-17 2009-03-06 한국타이어 주식회사 Supporter in run-flat tire
KR101360959B1 (en) 2012-11-14 2014-02-11 에프앤씨주식회사 Driving device anti punture

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200048019A (en) * 2018-10-29 2020-05-08 넥센타이어 주식회사 Run flat tire having run flat bar
KR20200073401A (en) 2018-12-14 2020-06-24 금호타이어 주식회사 Pneumatic Tire
CN109435586A (en) * 2018-12-28 2019-03-08 李宗展 A kind of anti-sting protection means against tyre bursting
KR20240047245A (en) 2022-10-04 2024-04-12 금호타이어 주식회사 Tire wheel for vehicles being driven temporarily

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