CN216231496U - High-trafficability mud tire for cross country - Google Patents

Abstract

The utility model particularly relates to a high trafficability characteristic mud land tire for cross-country belongs to cross-country mud land tire field, including tread and tire shoulder, the tread is equipped with a plurality of middle decorative pattern pieces, be equipped with middle decorative pattern piece between the middle decorative pattern piece, middle decorative pattern piece's bottom is equipped with the heap, the heap includes the lug and locates the boss of lug top surface, the side of boss is the inclined plane. Through set up the accumulation piece in middle groove, the accumulation piece includes that the side is the boss of inclined plane for can discharge fast when having silt at the middle groove bottom of cross country in-process, when accompany the stone at the groove bottom simultaneously, can pop out the stone fast with the side striking of boss, in addition the tire when high-speed traveling, the accumulation piece can effectively block horizontal and fore-and-aft air current impact, reduces the production of noise, thereby promotes the trafficability characteristic of tire.

Description

High-trafficability mud tire for cross country

Technical Field

The application relates to the field of off-road mud tires, in particular to a high-trafficability mud tire for off-road.

Background

The MT (mu Terrain) tire is a mud tire for off-road vehicles, the MT tire needs to provide good passing performance for the off-road vehicles under various complex road conditions, and the passing performance refers to the capability of the vehicles to pass through various bad roads and non-road zones (such as soft ground, rugged sections) and various obstacles (steep slopes, side slopes, trenches, steps, bushes and water barriers) at a high enough average speed. The overall pattern design of the MT tire is a large block-shaped design, the strength among the conventional MT tire pattern blocks is weak, the heat dissipation performance and the noise performance of the tire are poor, and meanwhile, the MT tire does not have good puncture prevention, impact prevention, stone removal and mud removal performance when facing a complex off-road condition. Therefore, the current MT tire has poor comprehensive passing performance for various complicated road conditions. In addition, since european union and national standards have made higher demands on tire noise performance, MT tire noise performance needs to be improved, and conventional MT tires have high noise.

SUMMERY OF THE UTILITY MODEL

The application provides a high-trafficability clay tire for cross country to solve the technical problems of poor comprehensive trafficability performance and high noise of an MT tire in the prior art.

The utility model provides a high trafficability characteristic mud ground tire for cross-country, includes tread and tire shoulder, the tread is equipped with a plurality of middle decorative pattern pieces, be equipped with middle decorative pattern piece between the middle decorative pattern piece, the bottom of middle decorative pattern piece is equipped with the accumulation piece, the accumulation piece includes the lug and locates the boss of lug top surface, the side of boss is the inclined plane.

Optionally, the included angle between the side surface of the boss and the vertical surface is 3-5 °.

Optionally, a groove is formed on a side surface of the bump.

Optionally, a plurality of the middle blocks are connected through reinforcing ribs.

Optionally, the middle pattern block is provided with a groove, the groove comprises a shallow groove section and two deep groove sections, the shallow groove section is arranged between the two deep groove sections, and the side wall surface of the groove is an inclined surface.

Optionally, a pair of side wall surfaces of the groove is provided with a support column.

Optionally, the tire shoulder is equipped with a plurality of shoulder decorative pattern pieces, be equipped with shoulder tread groove between the shoulder decorative pattern piece, be equipped with the stone of arranging in the shoulder tread groove and take off the mud strip, the stone of arranging takes off the mud strip and follows the length direction setting of shoulder tread groove, the top of stone of arranging takes off the mud strip has seted up poor mouth downwards.

Optionally, the shoulder pattern blocks include a first pattern block and a second pattern block which are adjacently arranged, the first pattern block and the second pattern block are respectively provided with a first concave arc and a second concave arc, and openings of the first concave arc and the second concave arc are arranged in a staggered manner.

Optionally, the tire shoulder is provided with an anti-collision armor, and the anti-collision armor comprises a plurality of anti-collision blocks with different heights.

Optionally, a heat dissipation block is arranged between the anti-collision blocks, and the outer surface of the heat dissipation block is in a sawtooth shape.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

this application embodiment is through setting up the accumulation piece in middle groove, the accumulation piece includes that the side is the boss on inclined plane for can discharge fast when having silt at the middle groove bottom of cross country in-process, when accompany the stone at the groove bottom simultaneously, can pop out the stone fast with the side striking of boss, in addition the tire when going at high speed, the accumulation piece can effectively block horizontal and fore-and-aft air current impact, the production of noise reduction, thereby promote the comprehensive trafficability characteristic of tire.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model.

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.

FIG. 1 is a schematic diagram of a development structure of a high-trafficability mud tire for off-road use according to an embodiment of the present application;

fig. 2 is a schematic perspective view of a stack provided in an embodiment of the present application;

FIG. 3 is a schematic cross-sectional view of a stack according to an embodiment of the present disclosure;

fig. 4 is a schematic cross-sectional structure view of a reinforcing rib provided in an embodiment of the present application;

fig. 5 is a schematic view of an internal structure of a trench provided in an embodiment of the present application;

FIG. 6 is a schematic cross-sectional view of a trench according to an embodiment of the present disclosure;

FIG. 7 is a schematic structural diagram of a stone discharging and mud removing strip provided in the embodiment of the present application;

FIG. 8 is a schematic perspective view of a shoulder block according to an embodiment of the present disclosure;

FIG. 9 is a schematic side view of a shoulder block according to an embodiment of the present disclosure;

FIG. 10 is a schematic structural view of a crash armor provided in accordance with an embodiment of the present application;

fig. 11 is a schematic structural diagram of a heat dissipation block according to an embodiment of the present application.

Reference numerals:

1-tread, 11-middle pattern block, 12-middle groove, 13-stacking block, 131-convex block, 1311-concave groove, 132-convex block, 14-reinforcing rib, 15-groove, 151-shallow groove section, 152-deep groove section, 153-supporting column, 2-shoulder, 21-shoulder pattern block, 211-first pattern block, 2111-first concave arc, 212-second pattern block, 2121-second concave arc, 22-shoulder groove, 23-stone-removing mud-removing bar, 231-difference port, 24-crashproof armor, 241-crashproof block and 242-radiating block.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

As shown in fig. 1-3, a high-trafficability muddy tire for cross country comprises a tread 1 and a tire shoulder 2, wherein the tread 1 is a side curved surface of a tire product, the tire shoulder 2 comprises a portion of two end surfaces of the tire except a hub and a portion of two end surfaces facing the transition of the tread 1, the tread 1 is provided with a plurality of middle pattern blocks 11, transverse and longitudinal staggered middle pattern grooves 12 are arranged between the middle pattern blocks 11, a stacking block 13 is arranged at the bottom of the staggered part of two staggered middle pattern grooves 12, the stacking block 13 comprises a convex block 131 and a convex block 132 arranged on the top surface of the convex block 131, the side surface of the convex block 131 is provided with a groove 1311, the side surface of the convex block 132 is an inclined surface, the included angle between the side surface of the convex block 131 and a vertical surface is 3-5 °, in the embodiment, the convex block 131 is cubic, and the bottom edge of the convex block is provided with an arc angle with the bottom surface of the middle pattern groove 12, make lug 131 and middle groove 12's bottom surface be connected more firmly, four sides of lug 131 also have the arc angle to fall, and a pair of opposite side of lug 131 is equipped with recess 1311, sets up recess 1311 does benefit to and takes off mud, and when the tire rotated, recess 1311 made earth and tire produce the gap owing to the extrusion deformation of side and the vibrations of accumulational piece 13 to earth drops fast, another pair of opposite side of lug 131 is concave cambered surface towards the central direction of lug 131, and when the tire rotated, produces different extrusion deformation power and produces different vibrations range with recess 1311 with adjacent recess 1311, makes earth and tire separation, and the boss 132 of lug 131 top surface is square for the top surface and bottom surface, and the area of top surface is less than the bottom surface for its side is the inclined plane. In the cross country process, because the centrifugal force of tire pivoted and the gravity action of earth self, can discharge fast when there is silt at middle tread groove 12 groove bottom, simultaneously when accompany the stone at the tread groove bottom, because the side of boss 132 is the inclined plane, can pop out the stone fast with the side striking of boss 132, in addition the tire is when going at high speed, the heap 13 can effectively block horizontal and fore-and-aft air current impact, reduce the production of noise, in this embodiment, the height of lug 131 is 2mm ~ 3mm, the height of boss 132 is 1.0mm ~ 1.5mm, the reason is that the step type design makes the tire in going, earth and tire layering contact, rely on the gravity of centrifugal force and earth to more do benefit to and deviate from in middle tread groove 12. On the basis of the embodiment, the side surface of the boss 132 is smooth, so that the side surface is a surface with continuous curvature, the stone removing and mud removing performance of the boss is further enhanced, and the passing performance of the tire is enhanced.

As shown in FIGS. 1 and 4, in some embodiments, a plurality of the middle pattern blocks 11 are connected by the reinforcing ribs 14 to reinforce the strength between the middle pattern blocks 11 and prevent the pattern blocks from deforming and slipping when the tire runs off the road, so as to improve the passing performance of the tire.

As shown in fig. 1, 5 and 6, in some embodiments, the middle pattern block 11 is provided with a groove 15, the groove 15 includes a shallow groove section 151 and two deep groove sections 152, the shallow groove section 151 is arranged between the two deep groove sections 152, and a side wall surface of the groove 15 is an inclined surface, wherein the width of the groove 15 is 1.5mm to 2.5mm, an included angle between the side wall of the groove 15 and a vertical plane is 3 ° to 5 °, so that soil is more likely to be separated under the action of a centrifugal force and a gravity force generated by rolling of a tire, the depth of the deep groove section 152 is 0.52 to 0.65 times the depth of the middle groove 12, and the depth of the shallow groove section 151 is 0.33 to 0.46 times the depth of the middle groove 12. By providing the grooves 15, the heat radiation performance of the block is improved. The pair of side wall surfaces of the groove 15 are provided with supporting columns 153, in the embodiment of the present application, the side wall surfaces on both sides are respectively provided with a plurality of supporting columns 153 along the length direction of the groove 15, the supporting columns 153 positioned on the side wall surfaces on both sides are oppositely arranged, a gap is provided between the pair of supporting columns 153 which are oppositely arranged, the height from the center position of the supporting column 153 to the top surface of the middle pattern block 11 is 1.5 mm-2.5 mm, the radius of the supporting column 153 is 0.5 mm-0.6 mm, the distance from the supporting column 153 positioned on both ends of the groove 15 to the middle pattern groove 12 along the length direction of the groove 15 is 2 mm-3 mm, the distance between two adjacent supporting columns 153 is 8 mm-12 mm, because the groove 15 is arranged, a gap appears in the middle of the middle pattern block 11, the strength of the middle pattern block can be affected, the supporting columns 153 can increase the strength of the pair, the off-road pattern block passing performance of the tire is improved, and the gap arranged between the supporting columns 153 which are oppositely arranged can reduce the extrusion deformation in the rolling process of the tire, reduce self energy loss, prevent to skid when the muddy ground is cross country, improve trafficability characteristic.

As shown in fig. 1 and 7, in some embodiments, the tire shoulder 2 is provided with a plurality of shoulder pattern blocks 21, a shoulder pattern groove 22 is arranged between the shoulder pattern blocks 21, a stone-discharging mud-discharging bar 23 is arranged in the shoulder pattern groove 22, the stone-discharging mud-discharging bar 23 is arranged along the length direction of the shoulder pattern groove 22, a differential port 231 is formed downwards at the top of the stone-discharging mud-discharging bar 23, and the stone-discharging mud-discharging bar 23 is separated from stone and soil through the vibration of the stone-discharging mud-discharging bar 23 in the driving process at the bottom of the tire groove, so that the stone-discharging mud-discharging bar 23 is separated from stone and soil, the cutting of the stone and soil on a complex road surface is avoided, the mud-discharging effect on a mud road section is enhanced, the differential port 231 is arranged, and the mud soil cannot be squeezed and deformed repeatedly due to the deformation of the tire, and the soil cannot be squeezed tightly close to the surface of the soil to generate a gap and naturally fall off. In the embodiment of the present application, the height of the stone discharging and mud removing strip 23 is 3mm to 4mm, the height of the difference 231 is half of the height of the stone discharging and mud removing strip 23, the width of the stone discharging and mud removing strip 23 is 3mm to 3.5mm, in the embodiment of the present application, the included angle between the side surface of the stone discharging and mud removing strip 23 and the vertical plane is 3 to 5 degrees, and the side surface of the stone discharging and mud removing strip 23 adopts a certain inclination angle to be more favorable for mud removal.

As shown in fig. 1, 8 and 9, in some embodiments, the shoulder blocks 21 include a first block 211 and a second block 212 which are adjacently disposed, the first block 211 and the second block 212 are arranged in the circumferential direction of the tire, the first block 211 and the second block 212 are respectively provided with a first concave arc 2111 and a second concave arc 2121, the openings of the first concave arc 2111 and the second concave arc 2121 are staggered, and heat is dissipated by disposing a concave arc at the position of the tire shoulder 2 because the position of the tire shoulder 2 generates higher heat; meanwhile, the first concave arc 2111 and the second concave arc 2121 are set to have different opening positions, so that the contact area of the first pattern block 211 and the second pattern block 212 with the ground at the same time is different, the grip force of the tire is improved, and the passing performance of a sand road surface is improved when the tire runs off the road.

As shown in fig. 1, 10 and 11, in some embodiments, the shoulder 2 is provided with a crash armor 24, the crash armor 24 comprising a plurality of crash blocks 241 of different heights. The anti-collision armor 24 is arranged to improve the ability of getting rid of the difficulty and the anti-puncture and anti-collision performance of the cross-country road section of the tire, and the anti-collision blocks 241 with different heights are arranged to apply different rebound forces to the stones in collision contact through the difference of the self strength of the anti-collision blocks 241 with different heights, so that irregular stones are ejected out, and the collision of the irregular stones is effectively prevented. In this embodiment, the heat dissipating blocks 242 are disposed between the anti-collision blocks 241, the outer surfaces of the heat dissipating blocks 242 are zigzag, and include inter-tooth grooves 2422 between the racks 2421 and the racks 2421, the total width of the adjacent racks 2421 and inter-tooth grooves 2422 is 1.5mm to 2.0mm, the height of the racks 2421 is 1.0mm to 1.5mm, and the zigzag heat dissipating device with high heat generation can improve the heat dissipating effect of the tire due to the large deflection deformation at the tire shoulder 2.

Through setting up strengthening rib 14 and support column 153, promote intensity between middle decorative block 11, prevent its deformation, through setting up slot 15, promote the heat dispersion of middle decorative block 11, through setting up the accumulation device at middle decorative groove 12, set up row's stone and take off mud strip 23 at shoulder decorative groove 22, the bullet stone of reinforcing tire, take off mud and fall the performance of making an uproar, through setting up first concave arc 2111 and second concave arc 2121, the land fertility and the heat dispersion of reinforcing tire, through setting up crashproof armoured 24 and radiating block 242, the crashproof performance and the heat dispersion of promotion tire. Thereby improving the passing performance of the tire.

It is noted that, in this document, relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present invention, which enable those skilled in the art to understand or practice the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The high-trafficability mud tire for off-road use is characterized by comprising a tread (1) and a tire shoulder (2), wherein the tread (1) is provided with a plurality of middle pattern blocks (11), middle pattern blocks (12) are arranged between the middle pattern blocks (11), a stacking block (13) is arranged at the bottom of each middle pattern groove (12), each stacking block (13) comprises a convex block (131) and a boss (132) arranged on the top surface of the corresponding convex block (131), and the side surface of each boss (132) is an inclined surface.

2. A high throughput muddy tire for off-road use according to claim 1, wherein the side surface of said boss (132) has an angle of 3 ° to 5 ° with the vertical plane.

3. High-trafficability clay tire for off-road according to claim 1, wherein the lug (131) is provided with a groove (1311) at its side.

4. The high-trafficability muddy tire for off-road use according to claim 1, wherein a plurality of the intermediate blocks (11) are connected therebetween by a reinforcing rib (14).

5. The high-trafficability muddy tire for off-road use according to claim 1, wherein the intermediate block (11) is provided with a groove (15), the groove (15) comprises a shallow groove section (151) and two deep groove sections (152), the shallow groove section (151) is provided between the two deep groove sections (152), and the side wall surface of the groove (15) is an inclined surface.

6. A high-trafficability clay tire for off-road according to claim 5, wherein a pair of side wall surfaces of the groove (15) is provided with a support column (153).

7. A high-trafficability mud tire for off-road use according to claim 1, wherein the tire shoulder (2) is provided with a plurality of shoulder blocks (21), shoulder grooves (22) are provided between the shoulder blocks (21), a stone discharging and mud removing bar (23) is provided in the shoulder groove (22), the stone discharging and mud removing bar (23) is provided along the length direction of the shoulder groove (22), and the top of the stone discharging and mud removing bar (23) is opened with a difference port (231) downwards.

8. The high-trafficability muddy tire for off-road use according to claim 7, wherein the shoulder blocks (21) include first blocks (211) and second blocks (212) disposed adjacently, the first blocks (211) and the second blocks (212) being respectively provided with first concave arcs (2111) and second concave arcs (2121), openings of the first concave arcs (2111) and the second concave arcs (2121) being alternately disposed.

9. High-throughput mud tire for off-road use according to claim 7, characterized in that the tire shoulder (2) is provided with a crash armor (24), the crash armor (24) comprising a plurality of crash blocks (241) of different height.

10. A high-trafficability mud tire for off-road according to claim 9, wherein between the crash blocks (241) is provided a heat dissipating block (242), and an outer surface of the heat dissipating block (242) is serrated.

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