CN211892731U - Non-pneumatic tire - Google Patents
Non-pneumatic tire Download PDFInfo
- Publication number
- CN211892731U CN211892731U CN201821198409.9U CN201821198409U CN211892731U CN 211892731 U CN211892731 U CN 211892731U CN 201821198409 U CN201821198409 U CN 201821198409U CN 211892731 U CN211892731 U CN 211892731U
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- Prior art keywords
- air cavity
- tire
- buffer air
- buffer
- crown
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- 230000035939 shock Effects 0.000 abstract description 5
- 230000003139 buffering effect Effects 0.000 description 23
- 239000011159 matrix material Substances 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 238000010030 laminating Methods 0.000 description 5
- 238000013016 damping Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 208000002925 dental caries Diseases 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model discloses a non-pneumatic tire, which is arranged on a rim and comprises a tire body, wherein the tire body consists of a tire crown, a tire body and a tire toe, the tire crown, the tire body and the tire toe are integrally formed, the tire toe is connected with the tire body, and the tire crown is connected with the tire body; the middle part in the tire body is provided with a first buffer air cavity, a second buffer air cavity, a third buffer air cavity and a fourth buffer air cavity, the first buffer air cavity and the second buffer air cavity are symmetrical, and the cross sections of the first buffer air cavity and the second buffer air cavity are all in a waist circle shape; the third buffer air cavity is positioned between the first buffer air cavity and the second buffer air cavity in the tire body and close to one side of the tire crown, and the section of the third buffer air cavity is circular; the fourth buffer air cavity is positioned on one side, close to the tire toe, between the first buffer air cavity and the second buffer air cavity in the tire body, the cross section of the fourth buffer air cavity is trapezoidal, the upper bottom of the trapezoid faces the tire crown, and the lower bottom of the trapezoid faces the tire toe. The utility model discloses can improve the shock attenuation performance of tire.
Description
Technical Field
The utility model relates to a tire especially relates to an exempt from pneumatic tire.
Background
The non-inflatable tire, namely the tire without inflation, does not rely on air, and only utilizes the material and the structure of the tire to realize the supporting and buffering performance. Due to the convenience, the tire is rapidly widely accepted by various fields, but with the continuous improvement of living standard, the market puts higher requirements on the non-pneumatic tire. At present, the common non-pneumatic tires in the market generally have over-high hardness, so that the bumping of the vehicles in the driving process is serious.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an exempt from pneumatic tire, carried out optimal design to buffering air cavity in the matrix, can improve the shock attenuation performance of tire.
In order to solve the technical problem, the utility model discloses a following technical scheme:
a non-pneumatic tire is arranged on a rim and comprises a tire body, wherein the tire body consists of a tire crown, a tire body and a tire toe, the tire crown, the tire body and the tire toe are integrally formed, the tire toe is connected with the tire body, and the tire crown is connected with the tire body; the middle part in the tire body is provided with a first buffer air cavity, a second buffer air cavity, a third buffer air cavity and a fourth buffer air cavity, the first buffer air cavity and the second buffer air cavity are symmetrical, and the cross sections of the first buffer air cavity and the second buffer air cavity are all in a waist circle shape; the third buffer air cavity is positioned between the first buffer air cavity and the second buffer air cavity in the tire body and close to one side of the tire crown, and the section of the third buffer air cavity is circular; the fourth buffer air cavity is located on one side, close to the tire toe, between the first buffer air cavity and the second buffer air cavity in the tire body, the cross section of the fourth buffer air cavity is trapezoidal, the upper bottom of the trapezoid faces the tire crown, the lower bottom of the trapezoid faces the tire toe, the waist of the trapezoid is provided with a buffer groove, and the cross section of the buffer groove is isosceles triangle.
In the above non-pneumatic tire, one end of the first buffer air cavity faces the tire crown and inclines towards the third buffer air cavity, and the other end faces the tire toe and inclines towards the fourth buffer air cavity; one end of the second buffer air cavity faces the tire crown and inclines towards the third buffer air cavity, and the other end of the second buffer air cavity faces the tire toe and inclines towards the fourth buffer air cavity.
In the above-mentioned non-pneumatic tire, the cross section of the fourth buffer air cavity is trapezoidal, and the length of the lower base of the trapezoid is twice the length of the upper base thereof; the cross section of the buffer groove is in the shape of a regular triangle, and the side length of the regular triangle is equal to the length of the upper bottom of the trapezoid.
In the above non-pneumatic tire, the cross section of the fourth buffer air chamber is trapezoidal, and the length of the lower bottom of the trapezoid is smaller than the diameter of the third buffer air chamber.
In the above pneumatic tire, the width of the crown is equal to the width of the carcass. The tread band mainly plays a role in bearing friction, and if the vehicle is rapidly bent, the tread band bears the friction through the edges of the tread band. If the crown width is small, friction is experienced by the carcass, which does not reduce the useful life of the tire.
Alternatively, the crown may have a width greater than the width of the carcass.
In the above pneumatic tire, the bead toe is provided with the attaching portion, the structure of the attaching portion is adapted to the structure of the rim, and the attaching portion is attached to the rim.
Compared with the prior art, the utility model discloses buffer air cavity has carried out optimal design in to the matrix, can improve the shock attenuation performance of tire. Three-level buffer air cavities are designed for different loads of the vehicle, and shock absorption and amplitude reduction are performed on the different loads through the different buffer air cavities, so that the comfort of the vehicle is improved.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second embodiment of the present invention.
Reference numerals: 1-laminating part, 2-fourth buffer air cavity, 3-first buffer air cavity, 4-third buffer air cavity, 5-crown, 6-carcass, 7-second buffer air cavity, 8-buffer groove and 9-toe.
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Detailed Description
Embodiment 1 of the utility model: as shown in figure 1, the inflation-free tire is arranged on a rim and comprises a tire body, wherein the tire body consists of a tire crown 5, a tire body 6 and a tire toe 9, the tire crown 5, the tire body 6 and the tire toe 9 are integrally formed, the tire toe 9 is connected with the tire body 6, and the tire crown 5 is connected with the tire body 6; a first buffer air cavity 3, a second buffer air cavity 7, a third buffer air cavity 4 and a fourth buffer air cavity 2 are arranged in the middle of the tire body 6, the first buffer air cavity 3 and the second buffer air cavity 7 are symmetrical, and the cross sections of the first buffer air cavity 3 and the second buffer air cavity 7 are all in a kidney-shaped shape; the third buffer air cavity 4 is positioned between the first buffer air cavity 3 and the second buffer air cavity 7 in the tire body 6 and close to one side of the tire crown 5, and the section of the third buffer air cavity 4 is circular; fourth buffering air cavity 2 is located one side that is close to child toe 9 between first buffering air cavity 3 and the second buffering air cavity 7 in matrix 6, and fourth buffering air cavity 2's cross-section becomes trapezoidal, trapezoidal upper base is towards child crown 5, trapezoidal lower base is towards child toe 9, trapezoidal waist is equipped with dashpot 8, the cross-section of dashpot 8 becomes isosceles triangle.
One end of the first buffer air cavity 3 faces the tire crown 5 and inclines towards the third buffer air cavity 4, and the other end of the first buffer air cavity faces the tire toe 9 and inclines towards the fourth buffer air cavity 2; one end of the second buffer air cavity 7 faces the tire crown 5 and inclines towards the third buffer air cavity 4, and the other end faces the tire toe 9 and inclines towards the fourth buffer air cavity 2. The section of the fourth buffer air cavity 2 is trapezoidal, and the length of the lower bottom of the trapezoid is twice of that of the upper bottom of the trapezoid; the cross section of the buffer groove 8 is in the shape of a regular triangle, and the side length of the regular triangle is equal to the length of the upper bottom of the trapezoid. The cross section of the fourth buffer air cavity 2 is trapezoidal, and the length of the lower bottom of the trapezoid is smaller than the diameter of the third buffer air cavity 4. The width of the crown 5 is equal to the width of the carcass 6.
Example 2: as shown in fig. 2, a non-pneumatic tire, which is mounted on a rim, comprises a tire body, wherein the tire body consists of a crown 5, a tire body 6 and a tire toe 9, the crown 5, the tire body 6 and the tire toe 9 are integrally formed, the tire toe 9 is connected with the tire body 6, and the crown 5 is connected with the tire body 6; a first buffer air cavity 3, a second buffer air cavity 7, a third buffer air cavity 4 and a fourth buffer air cavity 2 are arranged in the middle of the tire body 6, the first buffer air cavity 3 and the second buffer air cavity 7 are symmetrical, and the cross sections of the first buffer air cavity 3 and the second buffer air cavity 7 are all in a kidney-shaped shape; the third buffer air cavity 4 is positioned between the first buffer air cavity 3 and the second buffer air cavity 7 in the tire body 6 and close to one side of the tire crown 5, and the section of the third buffer air cavity 4 is circular; fourth buffering air cavity 2 is located one side that is close to child toe 9 between first buffering air cavity 3 and the second buffering air cavity 7 in matrix 6, and fourth buffering air cavity 2's cross-section becomes trapezoidal, trapezoidal upper base is towards child crown 5, trapezoidal lower base is towards child toe 9, trapezoidal waist is equipped with dashpot 8, the cross-section of dashpot 8 becomes isosceles triangle.
One end of the first buffer air cavity 3 faces the tire crown 5 and inclines towards the third buffer air cavity 4, and the other end of the first buffer air cavity faces the tire toe 9 and inclines towards the fourth buffer air cavity 2; one end of the second buffer air cavity 7 faces the tire crown 5 and inclines towards the third buffer air cavity 4, and the other end faces the tire toe 9 and inclines towards the fourth buffer air cavity 2. The section of the fourth buffer air cavity 2 is trapezoidal, and the length of the lower bottom of the trapezoid is twice of that of the upper bottom of the trapezoid; the cross section of the buffer groove 8 is in the shape of a regular triangle, and the side length of the regular triangle is equal to the length of the upper bottom of the trapezoid. The cross section of the fourth buffer air cavity 2 is trapezoidal, and the length of the lower bottom of the trapezoid is smaller than the diameter of the third buffer air cavity 4. The width of the crown 5 is greater than the width of the carcass 6. Be equipped with laminating portion 1 on child toe 9, the structure of laminating portion 1 with the structure of rim suits, and laminating portion 1 laminating is in the rim.
The utility model discloses a theory of operation of embodiment:
a first-stage buffer air cavity: in this patent, exempt from pneumatic tire has four buffering air cavitys, and wherein, third buffering air cavity 4 is nearest apart from ground, and 6 sectional areas of the matrix that its level corresponds are minimum, and the deformation that produces during the atress is the biggest, and when the vehicle load is less, can cushion most amplitude to third buffering air cavity 4 designs into circularly, can absorb the tire and come from the power of all directions in the use.
A second-stage buffer air cavity: the tire body 6 with the corresponding height of the first buffer air cavity 3 and the second buffer air cavity 7 is small in sectional area, deformation generated in stress is small, when the load of a vehicle is large, the damping effect of the third buffer air cavity 4 is basically used up, and damping is performed through the first buffer air cavity 3 and the second buffer air cavity 7. First buffering air cavity 3 and second buffering air cavity 7 design into waist circular shape, and first buffering air cavity 3 and second buffering air cavity 7 all take place deformation during the atress, and the bending volume of first buffering air cavity 3 and second buffering air cavity 7 increases gradually, makes the cushioning effect become the curve change. If the first cushion air chamber 3 and the second cushion air chamber 7 are rectangular, the cushioning effect thereof will change linearly, making the tire more "stiff", resulting in poor cushioning effect.
Third-stage buffer air cavity: the sectional area of the tire body 6 of the fourth buffer air cavity 2 corresponding to the height is the largest, the deformation generated when the vehicle is stressed is the smallest, and when the load of the vehicle is further increased, the damping effect is mainly generated by the fourth buffer air cavity 2. The waist of fourth buffering air cavity 2 is equipped with dashpot 8, and the matrix 6 that dashpot 8 corresponds the height takes place deformation at first, if the vehicle load is too big, leads to two limits of dashpot 8 to take place the extrusion, then takes place deformation through fourth buffering air cavity 2 and reduces the amplitude.
The utility model discloses a tertiary buffering air cavity has been designed to the different loads of vehicle, carries out the shock attenuation, falls the width of cloth through different buffering air cavities to the load of difference to improve the travelling comfort of vehicle.
Claims (4)
1. A non-pneumatic tire is arranged on a rim and comprises a tire body, and is characterized in that the tire body consists of a tire crown (5), a tire body (6) and a tire toe (9), the tire crown (5), the tire body (6) and the tire toe (9) are integrally formed, the tire toe (9) is connected with the tire body (6), and the tire crown (5) is connected with the tire body (6); a first buffer air cavity (3), a second buffer air cavity (7), a third buffer air cavity (4) and a fourth buffer air cavity (2) are arranged in the middle of the tire body (6), the first buffer air cavity (3) and the second buffer air cavity (7) are symmetrical to each other, and the cross sections of the first buffer air cavity (3) and the second buffer air cavity (7) are all in a kidney-shaped shape; the third buffer air cavity (4) is positioned on one side, close to the tire crown (5), between the first buffer air cavity (3) and the second buffer air cavity (7) in the tire body (6), and the section of the third buffer air cavity (4) is circular; the fourth buffer air cavity (2) is positioned on one side, close to a tire toe (9), between the first buffer air cavity (3) and the second buffer air cavity (7) in the tire body (6), the section of the fourth buffer air cavity (2) is trapezoidal, the upper bottom of the trapezoid faces the tire crown (5), the lower bottom of the trapezoid faces the tire toe (9), the waist of the trapezoid is provided with a buffer groove (8), and the section of the buffer groove (8) is in an isosceles triangle shape;
one end of the first buffer air cavity (3) faces the tire crown (5) and inclines towards the third buffer air cavity (4), and the other end of the first buffer air cavity faces the tire toe (9) and inclines towards the fourth buffer air cavity (2); one end of the second buffer air cavity (7) faces the tire crown (5) and inclines towards the third buffer air cavity (4), and the other end of the second buffer air cavity faces the tire toe (9) and inclines towards the fourth buffer air cavity (2);
the section of the fourth buffer air cavity (2) is trapezoidal, and the length of the lower bottom of the trapezoid is twice of that of the upper bottom of the trapezoid; the section of the buffer groove (8) is in a regular triangle shape, and the side length of the regular triangle is equal to the length of the upper bottom of the trapezoid;
the section of the fourth buffer air cavity (2) is trapezoidal, and the length of the lower bottom of the trapezoid is smaller than the diameter of the third buffer air cavity (4).
2. An airless tire as in claim 1, wherein the crown (5) has a width equal to the width of the carcass (6).
3. An airless tire as in claim 1, wherein the crown (5) has a width greater than the width of the carcass (6).
4. A tyre as claimed in claim 3, characterized in that said toe (9) is provided with an abutment (1), the structure of said abutment (1) being adapted to the structure of said rim on which said abutment (1) is applied.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821198409.9U CN211892731U (en) | 2018-07-26 | 2018-07-26 | Non-pneumatic tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821198409.9U CN211892731U (en) | 2018-07-26 | 2018-07-26 | Non-pneumatic tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211892731U true CN211892731U (en) | 2020-11-10 |
Family
ID=73281983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821198409.9U Active CN211892731U (en) | 2018-07-26 | 2018-07-26 | Non-pneumatic tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211892731U (en) |
-
2018
- 2018-07-26 CN CN201821198409.9U patent/CN211892731U/en active Active
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