CN215474261U - Pneumatic tire - Google Patents
Pneumatic tire Download PDFInfo
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- CN215474261U CN215474261U CN202120479904.2U CN202120479904U CN215474261U CN 215474261 U CN215474261 U CN 215474261U CN 202120479904 U CN202120479904 U CN 202120479904U CN 215474261 U CN215474261 U CN 215474261U
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- tire
- tyre
- sidewall
- pneumatic tire
- rubber layer
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Abstract
The utility model discloses a pneumatic tire, which comprises a tire body, wherein the tire body comprises a stainless steel spring steel sheet, the tire body comprises a tread part, a shoulder part, a sidewall part and an extension part, two sides of the tread part are connected with the sidewall part through the shoulder part, the radial inner side of the sidewall part far away from the shoulder part is connected with the extension part, the top of the tread part is connected with a protective adhesive layer, one side of the protective adhesive layer far away from the tire body is connected with a tire crown pattern adhesive layer, the utility model is designed according to the existing requirement, the strength of the tire body can be greatly improved by arranging the integrally formed stainless steel spring steel sheet processed by a spinning machine, and the tire body is formed by processing a whole steel sheet, has uniform stress and no stress concentration point, reduces the tire burst probability of the pneumatic tire, has simple structure and few components, thereby simplifying the manufacturing process, the product cost is reduced.
Description
Technical Field
The utility model relates to the technical field of pneumatic tires, in particular to a pneumatic tire.
Background
The conventional pneumatic tire is structurally divided into a bias structure tire and a radial structure tire, and a semi-steel tire and an all-steel tire are divided from a carcass material.
The existing tire has many components, various used devices, numerous personnel investment, high required operation level, difficult realization of automatic production, complex manufacturing process and high cost. And whether the tire is of an oblique crossing structure or a meridian structure, a semi-steel tire or an all-steel tire has the inevitable problem of tire burst in the using process, and the life safety of a driver and passengers is threatened.
In view of the above problems, we propose a pneumatic tire.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a pneumatic tire that solves the problems set forth in the background art described above.
In order to achieve the purpose, the utility model provides the following technical scheme:
a pneumatic tire comprises a tire body, wherein the tire body comprises a tire body, the tire body is made of stainless steel spring steel sheets, the tire body comprises a tread portion, a shoulder portion, a sidewall portion and an extension portion, two sides of the tread portion are connected with the sidewall portion through the shoulder portion, and the radial inner side, far away from the shoulder portion, of the sidewall portion is connected with the extension portion;
the top of the tread part is connected with a protective rubber layer, and one side, far away from the tire body, of the protective rubber layer is connected with a tire crown pattern rubber layer.
As a further scheme of the utility model, the tire body is a whole piece of stainless steel spring steel sheet which is processed and molded by a spinning machine.
As a further scheme of the utility model, the thickness of the tire body is 2mm-4 mm.
As a further scheme of the utility model, an inner liner is connected to the inner wall of the tire body.
As a further scheme of the utility model, the tire body further comprises a tire side arranged on the outer side of the tire side part, a protective rubber layer is clamped between the tire side and the tire side part, the edge of one side of the tire side, which is far away from the axle center direction of the tire body, is connected with a tire crown pattern rubber layer, the outer side of one end of the tire side, which is far away from the tire crown pattern rubber layer, is connected with a reinforcing layer, and the side, which is close to the inner ring of the tire body, of the reinforcing layer is connected with a tire bead.
In a further aspect of the present invention, the tire bead is connected to the inner liner at a side close to the inside of the tire body, and a bead wire is disposed between the reinforcement layer and one end of the inner liner close to the tire bead.
In a further aspect of the present invention, an end of the extending portion away from the sidewall portion is bent toward the sidewall portion, a space for mounting a bead wire is formed between the extending portion and the sidewall portion, and the space is filled with a bead filler.
As a further aspect of the present invention, a junction of the sidewall portion and the extension portion is provided on a side of the bead adjacent to the bead wire, and a reinforcing rubber layer is provided on a side of the junction of the sidewall portion and the extension portion adjacent to the bead wire.
As a further scheme of the utility model, the side of the tire crown pattern rubber layer, which is far away from the protective rubber layer, is provided with uniformly arranged drainage grooves and tire patterns.
Compared with the prior art, the utility model has the beneficial effects that:
in the utility model, the tyre body formed by integrally-formed stainless steel spring steel sheets processed by the spinning machine is arranged, so that the strength of the tyre body can be greatly improved, and the tyre body is formed by processing the whole steel sheet, is uniformly stressed and has no stress concentration point, so that the tyre burst probability of the pneumatic tyre is reduced;
the processed tyre body can be placed into a mould, and then the mixed rubber material is injected onto the tyre body through an injection machine for forming.
Drawings
FIG. 1 is a schematic structural view of a carcass in the present invention.
FIG. 2 is a schematic cross-sectional view of the carcass before inflation in the present invention.
FIG. 3 is a schematic cross-sectional view of the inflated carcass according to the present invention.
FIG. 4 is a partial structural view of the tire body according to the present invention.
In the figure: 10-tire body, 11-tire tread part, 12-tire shoulder part, 13-tire side part, 14-extension part, 20-tire side, 30-reinforcing layer, 40-inner liner, 50-tire bead, 60-tire bead steel wire, 70-protective rubber layer and 80-tire crown pattern rubber layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.
Referring to fig. 1-4, in an embodiment of the present invention, a pneumatic tire includes a tire body, the tire body includes a tire casing 10, the tire casing 10 is a stainless steel spring steel sheet, the tire casing 10 includes a tread portion 11, a shoulder portion 12, a sidewall portion 13 and an extension portion 14, two sides of the tread portion 11 are connected to a sidewall portion 13 through the shoulder portion 12, and a radially inner side of the sidewall portion 13 away from the shoulder portion 12 is connected to the extension portion 14; the radial inner side is one side of the tire in the radial direction close to the axis of the tire;
as shown in fig. 2, before the tire is inflated, the sidewall 13 is bent toward the side close to the sidewall to form an arc; as shown in fig. 3, after the tire is inflated, the gas pushes the sidewall portion 13 to rebound to the side away from it, forming the normal shape of the tire.
The top of the tread portion 11 is connected with a protective rubber layer 70, one side of the protective rubber layer 70, which is far away from the tire body 10, is connected with a tire crown pattern rubber layer 80, and one side of the tire crown pattern rubber layer 80, which is far away from the protective rubber layer 70, is provided with uniformly arranged drainage channels and tire patterns; after the finished carcass 10 is placed in the mold, the protective rubber layer 70 and the crown tread rubber layer 80 can be injected into the mold by an injection machine.
The tyre body 10 is formed by processing a whole stainless steel spring steel sheet through a spinning machine, and the tyre body 10 is formed by processing a whole steel sheet, so that stress is uniform, no stress concentration point exists, and the tyre burst probability of the pneumatic tyre is reduced.
The thickness of the tire body 10 is 2mm-4mm, the width and length of the tire steel sheets with different specifications are different, the shape is also different, and the tire can be processed by a spinning machine according to the situation.
The inner wall of the tire body 10 is connected with an inner liner 40 for improving the air tightness of the tire.
The tire body is still including setting up the side wall 20 in the sidewall portion 13 outside, press from both sides between side wall 20 and the side wall portion 13 and be equipped with protection glue film 70, the edge that side wall 20 kept away from matrix 10 axle center direction one side connects child hat pattern glue film 80, the outside that side wall 20 kept away from child hat pattern glue film 80 one end is connected with enhancement layer 30, enhancement layer 30 is close to tire body inner circle one side and connects tire bead 50, and tire bead 50 contacts with the rim.
One side of the tire bead 50 close to the inner part of the tire body is connected with the inner liner 40, and a tire bead steel wire 60 is arranged between the reinforcing layer 30 and one end of the inner liner 40 close to the tire bead 50.
One end of the extending portion 14, which is far away from the sidewall portion 13, is bent towards one side of the sidewall portion 13, a space for mounting the bead wire 60 is formed between the extending portion 14 and the sidewall portion 13, and the space is filled with an apex, so that the mounting stability of the bead wire 60 is ensured.
The joint of the sidewall 13 and the extension part 14 is arranged at one side of the tire bead 50 close to the tire bead wire 60, and the joint of the sidewall 13 and the extension part 14 close to the tire bead wire 60 is provided with a reinforced rubber layer which can reduce the friction between the tire bead wire 60 and the tire body 10 and prolong the service life of the tire body 10.
In the production process, the whole stainless steel spring steel sheet is processed and molded by the spinning machine, so that the strength of the tire body can be greatly improved, the tire body 10 is processed by the whole steel sheet, the stress is uniform, no stress concentration point exists, the tire burst probability of the pneumatic tire is reduced, the processed tire body 10 can be placed in a mold, then mixed rubber materials are injected to the tire body 10 through an injection machine for molding, and then the tire bead steel wire 60 is installed on a molded workpiece for subsequent processing.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. A pneumatic tire comprising a tire body including a carcass (10), characterized in that: the tyre body (10) is a stainless steel spring steel sheet, the tyre body (10) comprises a tread portion (11), a tyre shoulder portion (12), a tyre side portion (13) and an extension portion (14), two sides of the tread portion (11) are connected with the tyre side portion (13) through the tyre shoulder portion (12), and the radial inner side of the tyre side portion (13) far away from the tyre shoulder portion (12) is connected with the extension portion (14);
the tire tread structure is characterized in that the top of the tread portion (11) is connected with a protective rubber layer (70), and one side, far away from the tire body (10), of the protective rubber layer (70) is connected with a tire crown pattern rubber layer (80).
2. A pneumatic tire as in claim 1, wherein: the tyre body (10) is formed by processing a whole stainless steel spring steel sheet through a spinning machine.
3. A pneumatic tire as in claim 1, wherein: the thickness of the tire body (10) is 2mm-4 mm.
4. A pneumatic tire as in claim 1, wherein: an inner lining layer (40) is connected to the inner wall of the tire body (10).
5. A pneumatic tire as in claim 1, wherein: the tire body is still including setting up side wall (20) in sidewall portion (13) outside, press from both sides between side wall (20) and sidewall portion (13) and be equipped with protection glue film (70), the edge that matrix (10) axle center direction one side was kept away from in side wall (20) connects child hat decorative pattern glue film (80), the outside that child hat decorative pattern glue film (80) one end was kept away from in side wall (20) is connected with enhancement layer (30), enhancement layer (30) are close to tire body inner circle one side and connect tire bead (50).
6. A pneumatic tire as in claim 5, wherein: one side of the tire bead (50) close to the inner part of the tire body is connected with the inner liner (40), and a tire bead steel wire (60) is arranged between the reinforcing layer (30) and one end of the inner liner (40) close to the tire bead (50).
7. A pneumatic tire as in claim 6, wherein: one end, far away from the sidewall part (13), of the extending part (14) is bent towards one side of the sidewall part (13), a space for mounting a tire bead steel wire (60) is formed between the extending part (14) and the sidewall part (13), and the space is filled with apex.
8. A pneumatic tire as in claim 7, wherein: the joint of the sidewall part (13) and the extension part (14) is arranged on one side of the tire bead (50) close to the tire bead wire (60), and the joint of the sidewall part (13) and the extension part (14) is provided with a reinforced rubber layer on one side close to the tire bead wire (60).
9. A pneumatic tire as in claim 1, wherein: and one side of the tire crown pattern rubber layer (80) far away from the protective rubber layer (70) is provided with uniformly arranged drainage grooves and tire patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120479904.2U CN215474261U (en) | 2021-03-05 | 2021-03-05 | Pneumatic tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120479904.2U CN215474261U (en) | 2021-03-05 | 2021-03-05 | Pneumatic tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215474261U true CN215474261U (en) | 2022-01-11 |
Family
ID=79771789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120479904.2U Active CN215474261U (en) | 2021-03-05 | 2021-03-05 | Pneumatic tire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215474261U (en) |
-
2021
- 2021-03-05 CN CN202120479904.2U patent/CN215474261U/en active Active
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