CN214873979U

CN214873979U - Section steel rim and wheel

Info

Publication number: CN214873979U
Application number: CN202120565273.6U
Authority: CN
Inventors: 高赫男; 王杰功; 于景超; 谢晖
Original assignee: Xingmin Lichi Co ltd
Current assignee: Xingmin Lichi Co ltd
Priority date: 2020-08-06
Filing date: 2021-03-19
Publication date: 2021-11-26
Anticipated expiration: 2031-03-19

Abstract

The utility model relates to a shaped steel rim and wheel, shaped steel rim include the rim main part, one side of rim main part is equipped with fixed rim, and the opposite side is equipped with the lock ring groove, be equipped with the kerve in the rim main part between fixed rim and the lock ring groove, be equipped with first bead seat and second bead seat in the rim main part between fixed rim and the kerve, be equipped with third bead seat in the rim main part between lock ring groove and the kerve, first bead seat is greater than or equal to with the contained angle A of rim main body axis the contained angle C of second bead seat and rim main body axis, third bead seat constitutes contained angle G with rim main body axis. The first bead seat and the third bead seat are arranged, and the two bead seats and the axis of the rim main body form an included angle, namely an inclined plane is formed on the rim main body, so that the rim main body is fully contacted with an installed tire, air leakage is avoided, and the sealing performance is improved; the second bead seat has a guiding effect on the mounted tire, and convenience in tire mounting is improved.

Description

Section steel rim and wheel

Technical Field

The utility model relates to an automobile parts makes technical field, concretely relates to shaped steel rim and wheel.

Background

At present, automobile wheels are mainly classified into profile steel wheels (also called wheels with inner tubes) and wheels without inner tubes according to the types of the used tires. The wheel with the inner tube has the advantage of high bearing capacity, but the wheel with the inner tube mainly comprises four structural materials, namely a wheel, the inner tube, an inner tube cushion belt, an outer tube and the like, so that when the inner tube reaches proper air pressure and expands, friction force is generated among the four structural materials, and mutual constraint is realized. However, because the strength of the inner tube is limited, the air pressure borne by the inner tube is limited, and the inner tube is burst when the air pressure is too high, so that the serious safety problem of the vehicle is caused; too low air pressure cannot ensure the mutual constraint between the wheel and tire assemblies, and the safety problems of deformation, separation and the like of the outer tire can also be caused. Meanwhile, the wheel with the inner tube also comprises structures such as a metal inflating valve and a metal gasket, so that the wheel with the inner tube has the defects of heavy weight, high energy consumption, insufficient environmental protection and the like.

Compared with the prior art, the tubeless wheel has the advantages of light weight, safety, energy conservation, environmental protection and the like, but has the defects of low bearing capacity and short service life, and can not meet the use requirements of large-load trucks and automobiles, such as engineering vehicles, mining vehicles, dump trucks and the like.

Because the contact surface between the rim and the tire is a cylindrical surface, the end surface of the tire has a certain inclination angle after the tire is inflated, so that a gap exists between the rim and the tire, and the problem of tire leakage is caused, as shown in fig. 9.

Therefore, how to provide a wheel which has high bearing capacity, long service life, good sealing performance and high safety and can meet the requirements of large-load vehicles has been a technical problem to be solved for a long time in the field of steel wheel production and manufacturing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to current technical problem, provide a shaped steel rim and wheel that prevent that the tire from warping, breaking away from, improve the security, avoid the tubeless of a tyre of gas leakage.

The utility model provides an above-mentioned technical problem's technical scheme as follows: the utility model provides a section steel rim, includes the rim main part, one side of rim main part is equipped with fixed rim, and the opposite side is equipped with the lock ring groove, be equipped with the kerve in the rim main part between fixed rim and the lock ring groove, be equipped with first bead seat and second bead seat in the rim main part between fixed rim and the kerve, be equipped with third bead seat in the rim main part between lock ring groove and the kerve, first bead seat is greater than with the contained angle A of rim main body axis the contained angle C of second bead seat and rim main body axis, third bead seat constitutes contained angle G with rim main body axis.

The utility model has the advantages that: the first bead seat and the third bead seat are arranged, and the two bead seats and the axis of the rim main body form an included angle, namely, an inclined plane is formed on the rim main body, so that the inclined plane is fully contacted with an installed tire, air leakage is avoided, and the sealing performance and the safety are improved; the second bead seat has a guiding effect on the installation of the tire, so that the convenience in tire installation is improved, and the operation is simple; the size of the inner diameter of the stretched tire is reduced by arranging the bottom groove structure, so that the tire can be installed more smoothly.

On the basis of the technical scheme, the utility model discloses a reach the convenience of use and the stability of equipment, can also make following improvement to foretell technical scheme:

further, the included angle A is 3-15 degrees, and the included angle C is 1-10 degrees.

The beneficial effect of adopting the further technical scheme is that: different angle values are adopted according to the installation requirements, so that the sealing and installation requirements of the installed tire can be met, and the use range of the rim can be enlarged.

Further, the included angle G is 3-7 degrees.

The beneficial effect of adopting the further technical scheme is that: the sealing performance can be met, the processing amount can be reduced, and the processing efficiency is improved.

Furthermore, the included angle A is symmetrical to the included angle G, and the diameter of the first bead seat is equal to that of the third bead seat.

The beneficial effect of adopting the further technical scheme is that: the angle symmetry can ensure that the rim and the two sides of the tire are horizontally symmetrical, the diameters are equal, the horizontal symmetry of the tires on the two sides of the tire can be ensured, and potential safety hazards such as eccentric wear, deviation and shaking in the driving process of the vehicle are avoided.

Further, a bead seat arc is arranged between the first bead seat and the fixed rim, and the fixed rim is tangent to the bead seat arc.

The beneficial effect of adopting the further technical scheme is that: the problem of air leakage of the tire at the edge of the fixed wheel can be avoided, and the sealing performance is improved.

Further, the calibrated diameter E of the rim main body is larger than the tire bead bonding diameter d of the mounted tire, the difference between the two is delta, and the difference delta is 2 mm-4 mm.

The beneficial effect of adopting the further technical scheme is that: the too large difference results in difficult tire installation and even tire damage; the difference is too small, and the bead seat and the tire can not be sealed, so that air leakage is caused, meanwhile, the wheel and the tire slide, the tire and the opening of the lock ring groove are cut, and serious potential safety hazards such as tire breakage and tire burst are caused.

Further, the depth H of the bottom groove is 3 mm-35 mm, groove side walls are arranged on two sides of the bottom groove, an included angle alpha is formed by the two groove side walls, and the included angle alpha is 35-180 degrees.

The beneficial effect of adopting the further technical scheme is that: according to different tires, different depth values and included angles are adopted, and the universality of the rim is improved.

Furthermore, a transition corner is arranged between the groove side wall and the bottom groove, wherein the diameter L from the transition corner positioned on one side of the lock ring groove to the outer edge of the lock ring groove is smaller than the tire bead bonding diameter d.

The beneficial effect of adopting the further technical scheme is that: the normal installation of the tire is ensured, and the difficulty of the installation of the tire is reduced.

Further, a first groove side wall is formed between the bottom groove and the second bead seat, the included angle between the first groove side wall and the bottom groove is alpha 1, a second groove side wall is formed between the bottom groove and the third bead seat, the included angle between the second groove side wall and the bottom groove is alpha 2, and the included angle alpha 1 is the same as the included angle alpha 2; alternatively, the included angle α 1 is different from the included angle α 2.

The beneficial effect of adopting the further technical scheme is that: because the wheels are required to be installed and matched with the axles, the installation requirements of various axles can be better met through different designs of the included angles alpha 1 and alpha 2 of the wheels, the problem of interference in assembly between the wheels and the axles is avoided, and the normal running of the vehicle is guaranteed.

Further, the bottom groove is provided with a valve hole for installing a valve, and the valve hole is adjacent to the lock ring groove.

The beneficial effect of adopting the further technical scheme is that: the normal installation of the inflating valve is ensured, and the tire is conveniently inflated.

Furthermore, a movable wheel rim is clamped in the lock ring groove, and the shape of the wheel rim of the movable wheel rim is the same as that of the fixed wheel rim.

The beneficial effect of adopting the further technical scheme is that: the horizontal symmetry of the tires on the two sides after the wheels and the tires are installed is ensured, so that potential safety hazards such as eccentric wear, deviation, shaking and the like in the running process of the vehicle are eliminated.

Further, the width B of the first bead seat is 10-20 mm, the width D of the second bead seat is 25-50 mm, and the width F of the third bead seat is 25-45 mm.

The beneficial effect of adopting the further technical scheme is that: the rim bead seat and the tire bead are fully fitted in the width direction, sealing and pressure maintaining are achieved, and meanwhile flexible design and adjustment can be performed on different tire beads according to needs.

Further, the surfaces of the first bead seat and the third bead seat are wavy.

The beneficial effect of adopting the further technical scheme is that: the contact area between the rim and the tire is increased, air leakage is avoided, and the sealing performance is improved.

A wheel comprises the section steel wheel rim and a spoke, wherein the spoke is installed at the end of the wheel rim body, and the spoke is adjacent to a lock ring groove.

The utility model has the advantages that: the utility model discloses not only satisfied the high characteristics that bear the weight of shaped steel wheel, can also satisfy wheel safety, environmental protection, energy-conservation, lightweight demand simultaneously, realized shaped steel wheel (have the inner tube of a tyre wheel) and the combination of tubeless wheel in the true sense. The market and test prove that the overall fatigue life of the wheel is improved by about 10 percent, the weight of a single-piece section steel wheel assembly is reduced by about 7kg by reducing the number of parts of the wheel, 11 section steel wheel tire assemblies are assembled according to the whole vehicle, and the weight of the whole vehicle is reduced by about 77 kg. The weight is reduced, and simultaneously, the medium influencing heat dissipation and conduction is reduced, the tire burst risk of the automobile in the driving process is reduced, and the failure rate and the production cost are reduced. Play positive effect to environmental protection through getting rid of the inner tube of a tyre, consequently the utility model discloses a wheel has rational in infrastructure, intensity is high, low in cost, long service life, maintains advantages such as convenient, more environmental protection.

Drawings

FIG. 1 is a schematic cross-sectional view of a profiled steel rim;

FIG. 2 is a schematic view of included angles α, α 1 and α 2;

FIG. 3 is a perspective view of the mounting of the movable rim and spokes;

FIG. 4 is a cross-sectional view of the mounting of the movable rim and spokes;

FIG. 5 is a schematic view of the installation of a valve;

FIG. 6 is a schematic view of a tire as it is installed;

FIG. 7 is a schematic view of a tire mounted on the rim body;

FIG. 8 is an enlarged view of a portion of FIG. 7 at A;

FIG. 9 is a schematic view of a prior art tire to rim body interface.

The reference numbers are recorded as follows: 1. a rim body; 2. a spoke; 3. a movable rim; 4. a fixed rim; 5. a first bead seat; 6. a second bead seat; 7. a rim waist; 8. a bottom groove; 9. transition turning angles; 10. a valve hole; 11. an air valve; 12. a third bead seat; 13. a lock ring groove; 14. a tire.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 5, a section steel rim includes a rim body 1, one side of the rim body 1 is provided with a fixed rim 4, the other side is provided with a lock ring groove 13, a bottom groove 8 is arranged on the rim body 1 between the fixed rim 4 and the lock ring groove 13, a first bead seat 5 and a second bead seat 6 are arranged on the rim body 1 between the fixed rim 4 and the bottom groove 8, a third bead seat 12 is arranged on the rim body 1 between the lock ring groove 13 and the bottom groove 8, an included angle a between the first bead seat 5 and an axis of the rim body 1 is greater than an included angle C between the second bead seat 6 and the axis of the rim body 1, and an included angle G is formed between the third bead seat 12 and the axis of the rim body 1.

Fixed flange 4 forms the integral type structure through processing with rim main part 1, has guaranteed the structural strength of shaped steel rim, and processing is convenient.

The included angle A is 3-15 degrees, and the included angle C is 1-10 degrees.

The included angle G is 3-7 degrees.

For example, when the tire bead angle is 5 degrees, the included angle A is set to be 3-7 degrees, the included angle C is set to be 5-10 degrees, the included angle G is set to be 3-5 degrees, and the parameters can ensure that the tire landing angle is 5 degrees, the tire bead seat and the tire landing are matched in a sealing mode, and the tire is convenient to disassemble and assemble. Where the tire bead angle is the location where the tire contacts the third bead seat 12.

The included angle a is symmetrical to the included angle G, and the diameter of the second bead seat 6 is equal to the diameter of the third bead seat 12.

The included angle A is symmetrical to the included angle G, namely the included angles are the same, the inclination directions are opposite, the symmetry of the installation of the tire 14 is guaranteed, the problems of eccentric wear or deviation and the like of the tire 14 in the running process of a vehicle are avoided, and the running safety is guaranteed.

And a bead seat arc is arranged between the first bead seat 5 and the fixed rim 4, and the fixed rim 4 is tangent to the bead seat arc.

In order to ensure that the tyre 14 is tightly attached to the rim body 1, the fillet of the bead seat arc is matched with the fillet of the end of the tyre 14.

The calibrated diameter E of the rim body 1 is larger than the tire bead bonding diameter d of the mounted tire 14, the difference between the two is delta, and the difference delta is 2 mm-4 mm.

The calibration diameter E is the designed diameter size of the rim, and the diameter size is formed by intersection points of rim vertical lines and bead seat oblique lines.

The depth H of the bottom groove 8 is 3 mm-35 mm, the two sides of the bottom groove 8 are provided with groove side walls, the two groove side walls form an included angle alpha, and the included angle alpha is 35-180 degrees.

A transition corner 9 is arranged between the groove side wall and the bottom groove 8, wherein the diameter L from the transition corner 9 positioned at one side of the lock ring groove 13 to the outer edge of the lock ring groove 13 is smaller than the tire bead engaging diameter d.

Wherein, the diameter dimension of the tire bead joint diameter d formed by the intersection point of the tire bead vertical line and the oblique line in the tire bead horizontal direction is the design dimension corresponding to the wheel rim nominal diameter E. A first groove side wall is formed between the bottom groove 8 and the second bead seat 6, an included angle between the first groove side wall and the bottom groove 8 is alpha 1, a second groove side wall is formed between the bottom groove 8 and the third bead seat 12, an included angle between the second groove side wall and the bottom groove 8 is alpha 2, and the included angles alpha 1 and alpha 2 are the same; alternatively, the included angle α 1 is different from the included angle α 2.

When the mounting clearance between the wheel and the axle is large, the included angle alpha 1 and the included angle alpha 2 adopt the same angle, so that the rim molding is facilitated.

Under the condition that the mounting clearance between the wheel and the axle is not large, the included angle alpha 1 and the included angle alpha 2 need to be designed respectively according to the requirement of the clearance, so that the mounting of the wheel and the axle is facilitated.

In order to reduce the processing difficulty and ensure the inclination angle of the second bead seat 6, a rim waist part 7 is arranged between the second bead seat 6 and the side wall of the first groove, and the side wall of the rim waist part 7 is parallel to the axis of the rim main body 1.

In order to ensure the smooth installation of the tire 14 and avoid scratching the tire 14, a transition fillet is arranged at the joint of the first groove side wall and the waist of the rim, and a transition fillet is also arranged at the joint of the second groove side wall and the third bead seat 12.

The bottom groove 8 is provided with a valve hole 10 for mounting a valve 11, and the valve hole 10 is adjacent to the lock ring groove 13.

The lock ring groove 13 is internally clamped with a movable flange 3, and the flange shape of the movable flange 3 is the same as that of the fixed flange 4. The movable rim 3 can also be connected in other detachable ways.

The width B of the first bead seat 5 is 10-20 mm, the width D of the second bead seat 6 is 25-50 mm, and the width F of the third bead seat 12 is 25-45 mm.

The surfaces of the second bead seat 6 and the third bead seat 12 are wavy.

A wheel, as shown in fig. 6 to 8, comprises the steel rim and a spoke 2, wherein the spoke 2 is arranged at the end part of a rim body 1, and the spoke 2 is adjacent to a lock ring groove 13.

The spokes 2 are welded to the ends of the rim body 1.

A tire 14 is mounted on the rim body 1 between the fixed flange 4 and the movable flange 3, and the valve 11 is mounted in the valve hole 10 and used for inflating the tire 14.

The procedure for tire installation was as follows:

as shown in fig. 6, one end of the inner diameter of the tire 14 is inserted into the bottom groove 8 of the rim body 1, the tire 14 is adjusted to be near the transition corner 9, the other end of the tire 14 is inserted onto the rim body 1 along the outer edge of the bead slot 13, because the diameter L from the transition corner 9 to the outer edge of the bead slot 13 is smaller than the bead engaging diameter d, the tire 14 can be smoothly installed on the rim body 1, then one end of the tire 14 is smoothly moved to the fixed rim 4 by using the rim waist 7 and the second bead seat 6, then the tire 14 is inflated through the valve 11, and the tire 14 is continuously expanded in the inflation process until the end of the tire 14 completely forms a surface seal with the first bead seat 5 and the third bead seat 12, respectively, so that the sealed cavity formed by the tire 14 and the rim body 1 cannot be deflated, and the safety of the use of the wheel is ensured.

To sum up, the wheel of this application has advantages such as high bearing, safety, energy-conservation, sealing performance are good, long service life.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a shaped steel rim, includes the rim main part, its characterized in that, one side of rim main part is equipped with fixed wheel rim, and the opposite side is equipped with the lock ring groove, be equipped with the kerve on the rim main part between fixed wheel rim and the lock ring groove, be equipped with first bead seat and second bead seat in the rim main part between fixed wheel rim and the kerve, be equipped with third bead seat in the rim main part between lock ring groove and the kerve, first bead seat is greater than with the contained angle A of rim main body axis the contained angle C of second bead seat and rim main body axis, third bead seat constitutes contained angle G with rim main body axis.

2. The profiled steel rim as claimed in claim 1, wherein the included angle a is 3 ° to 15 ° and the included angle C is 1 ° to 10 °.

3. The profiled steel rim as claimed in claim 1, wherein the included angle G is 3 ° to 7 °.

4. The profiled steel rim as claimed in claim 1, wherein the included angle a is symmetrical to the included angle G, and the diameter of the first bead seat is equal to the diameter of the third bead seat.

5. The profiled steel rim of claim 1, wherein a bead seat arc is provided between the first bead seat and the fixed flange, the fixed flange being tangent to the bead seat arc.

6. The profiled steel rim according to claim 1, characterized in that the nominal diameter E of the rim body is greater than the bead closure diameter d of the mounted tire by a difference Δ, said difference Δ being comprised between 2mm and 4 mm.

7. The profiled steel rim as claimed in claim 1, wherein the depth H of the bottom groove is 3mm to 35mm, and the bottom groove is provided with groove side walls on both sides, and the two groove side walls form an included angle α, wherein the included angle α is 35 ° to 180 °.

8. The profiled steel rim defined in claim 7 wherein a transition corner is provided between the well side wall and the well, wherein the transition corner on one side of the bead well has a diameter L to an outer edge of the bead well that is less than the bead engagement diameter d.

9. The profiled steel rim as claimed in claim 7, wherein a first groove sidewall is formed between the bottom groove and the second bead seat, the first groove sidewall has an angle α 1 with the bottom groove, a second groove sidewall is formed between the bottom groove and the third bead seat, the second groove sidewall has an angle α 2 with the bottom groove, and the angle α 1 is the same as the angle α 2; alternatively, the included angle α 1 is different from the included angle α 2.

10. The profiled steel rim as claimed in claim 1, wherein the bottom channel is provided with a valve hole for mounting a valve, the valve hole being adjacent to the lock ring groove.

11. The profiled steel rim as claimed in claim 1, wherein a movable flange is snapped into the lock ring groove, the movable flange having a flange shape identical to the fixed flange.

12. The profiled steel rim as claimed in claim 1, wherein the width B of the first bead seat is 10mm to 20mm, the width D of the second bead seat is 25mm to 50mm, and the width F of the third bead seat is 25mm to 45 mm.

13. The profiled steel rim of claim 1, wherein the surfaces of the first and third bead seats are undulated.

14. A wheel comprising a profiled steel rim as claimed in any one of claims 1 to 13, further comprising spokes mounted at the end of the rim body adjacent to the bead-forming pockets.