CN218367259U - Tyre for vehicle wheels - Google Patents
Tyre for vehicle wheels Download PDFInfo
- Publication number
- CN218367259U CN218367259U CN202223014455.8U CN202223014455U CN218367259U CN 218367259 U CN218367259 U CN 218367259U CN 202223014455 U CN202223014455 U CN 202223014455U CN 218367259 U CN218367259 U CN 218367259U
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- airtight layer
- rubber sheet
- layer rubber
- airtight
- length
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The utility model provides a tire, include: an airtight layer winding section; the two seam allowance wear-resistant adhesives are respectively arranged at two opposite ends of the winding part of the airtight layer; the two airtight layer rubber sheets are combined, the two airtight layer rubber sheets are arranged in one-to-one correspondence with the two seam allowance wear-resistant adhesives, and each airtight layer rubber sheet combination is arranged between the airtight layer winding part and the corresponding seam allowance wear-resistant adhesive, so that the problem that an airtight layer of an engineering tire in the prior art is easy to delaminate is solved.
Description
Technical Field
The utility model relates to a tire manufacturing technical field particularly, relates to a tire.
Background
Because the inner liner of the tire is mostly butyl rubber, the adhesiveness of the butyl rubber and other rubber materials is poor, and the problem of edge delamination of the inner liner is easily caused by adopting the process of an airtight steamed stuffed bun opening.
The engineering tire is large in inch grade, the airtight layer is mostly made by adopting a winding process, the winding process well solves the problem of inconvenient operation caused by overweight parts, but the winding process also has the defects that the fluctuation of a winding point of the airtight layer is large for one circle, the phenomenon of unevenness of wavy edge part circumference can occur, in addition, the rubber material is extruded out of an extruder when the airtight layer is wound, the temperature of the rubber material is low when the rubber material is just extruded, the viscosity performance is not enough, the adhesion between the airtight layer and a seam allowance can be poor, the edge part is not flat and the viscosity can cause the edge part of the airtight layer to tilt, and the delamination of the airtight layer on a finished tire can be easily caused.
The delamination of the airtight layer can seriously affect the air tightness and the safety of the tire, the repair of the delaminated airtight layer is difficult, the delamination is easily complained by customers, the construction cost of the engineering tire is high, and once the customers return goods, the great economic loss can be caused to companies.
SUMMERY OF THE UTILITY MODEL
The main object of the present invention is to provide a tire to solve the problem of easy delamination of the airtight layer of the engineering tire in the prior art.
In order to achieve the above object, the present invention provides a tire, including: an airtight layer winding section; the two seam allowance wear-resistant adhesives are respectively arranged at two opposite ends of the winding part of the airtight layer; the two airtight layer rubber sheet combinations are arranged in one-to-one correspondence with the two seam allowance wear-resistant adhesives, and each airtight layer rubber sheet combination is arranged between the airtight layer winding part and the corresponding seam allowance wear-resistant adhesive.
Further, each air-tight layer rubber sheet combination comprises a plurality of air-tight layer rubber sheets, and the air-tight layer rubber sheets are sequentially overlapped along the direction from the air-tight layer winding part to the corresponding seam allowance wear-resistant rubber.
Further, each air-tight layer film combination comprises a first air-tight layer film and a second air-tight layer film, and the second air-tight layer film is positioned on one side of the corresponding first air-tight layer film, which is close to the corresponding seam allowance wear-resistant adhesive.
Further, the first airtight layer films of each airtight layer film combination are overlapped at one end of the airtight layer winding part, and the length of each first airtight layer film is larger than that of the overlapping part between the first airtight layer film and the airtight layer winding part.
Further, the length of the overlapping portion between the first airtight layer film and the airtight layer winding part ranges from 60mm to 80mm.
Furthermore, second airtight layer films of each airtight layer film combination are overlapped on the first airtight layer film, and the length of each second airtight layer film is larger than that of an overlapped part between the first airtight layer film and the second airtight layer film.
Further, the length of the overlapping portion between the first airtight layer film and the second airtight layer film ranges from 20mm to 40mm.
Further, each seam allowance abrasion-resistant glue is lapped on the second air-tight layer glue piece of the corresponding air-tight layer glue piece combination, and the length of the seam allowance abrasion-resistant glue is larger than that of the overlapping portion between the seam allowance abrasion-resistant glue and the second air-tight layer glue piece.
Further, the length of the overlapping portion between the seam allowance abrasion-resistant glue and the second air liner glue sheet ranges from 60mm to 80mm.
Further, the thickness of the first airtight layer film ranges from 2mm to 4mm; and/or the thickness of the second air barrier film ranges from 2mm to 4mm.
Use the technical scheme of the utility model, the utility model discloses a tire includes: an airtight layer winding section; the two seam allowance wear-resistant adhesives are respectively arranged at two opposite ends of the winding part of the airtight layer; the two airtight layer rubber sheet combinations are arranged in one-to-one correspondence with the two seam allowance wear-resistant adhesives, and each airtight layer rubber sheet combination is arranged between the airtight layer winding part and the corresponding seam allowance wear-resistant adhesive. Thus, the utility model discloses only solve the problem of winding part limit portion unevenness through increasing the combination of air barrier film, can make its limit portion level more, the problem of airtight layer delaminating in perk and the use in the production process that leads to because of winding part's limit portion unevenness has also been solved, the hidden danger of the gas tightness of tire has seriously been influenced because of airtight layer delaminating has still been avoided, the security of tire has been improved, it is a breakthrough progress on the winding technology to make the tire, the stability of the production technology of tire has been improved.
Drawings
The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:
figure 1 shows a schematic view of the relative positions between the innerliner wrap, bead apex, and innerliner film combination in an embodiment of a tire according to the present invention;
fig. 2 is a diagram showing the effect of the adhesion between the inner liner wrap, bead filler, and inner liner film combination in an embodiment of a tire according to the present invention.
Wherein the figures include the following reference numerals:
10. an airtight layer winding section; 11. a winding point; 12. an end point; 20. sub-opening wear-resistant glue; 30. assembling an airtight layer rubber sheet; 31. a first airtight layer film; 32. and a second airtight layer rubber sheet.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
As shown in fig. 1 and 2, the present invention provides a tire, comprising: an inner liner winding section 10; two seam allowance abrasion-resistant rubbers 20 respectively arranged at two opposite ends of the airtight layer winding part 10; two airtight layer rubber sheet combinations 30 are arranged, the two airtight layer rubber sheet combinations 30 are arranged in one-to-one correspondence with the two seam allowance wear-resistant adhesives 20, and each airtight layer rubber sheet combination 30 is arranged between the airtight layer winding part 10 and the corresponding seam allowance wear-resistant adhesive 20.
Thus, the utility model discloses only solve the problem of winding part limit portion unevenness through increasing air barrier film combination 30, can make its limit portion level and more, the problem of airtight layer delaminating in perk and the use in the production process that leads to because of the limit portion unevenness of winding part has also been solved, still avoided seriously influencing the hidden danger of the gas tightness of tire because of airtight layer delaminating, the security of tire has been improved, be a breakthrough progress on the tire manufacturing winding technology, the stability of the production technology of tire has been improved.
Specifically, the inner liner winding part 10 is configured to stack the rubber strips layer by layer in a desired thickness and shape by moving the winding machine, and the edges of the rubber strips are not flat enough as a whole, but the desired thickness and shape of the inner liner winding part 10 cannot be obtained if the winding machine is allowed to stand and wind the edges before moving; since the liner film assembly 30 is an extruded part, i.e., a part where the rubber material is extruded from the extruder and then passes through the die to obtain the desired thickness and shape, the edges are flat, so that the liner film assembly can be directly attached to the drum in a rotating manner for a round.
Each air liner film assembly 30 includes a plurality of air liner films, and the plurality of air liner films are sequentially stacked along the direction from the air liner winding portion 10 to the corresponding cuff wear-resistant adhesive 20.
As shown in fig. 1 and 2, each air liner film combination 30 includes a first air liner film 31 and a second air liner film 32, and the second air liner film 32 is located on the side of the corresponding first air liner film 31 close to the corresponding cuff rubber 20. Therefore, the corresponding seam allowance wear-resistant rubber 20 and the airtight layer winding part 10 are connected through the two airtight layer rubber sheets, the problem of uneven edge parts of the tire is effectively solved, and the problems of upwarping in the production process and airtight layer delamination in the use process caused by uneven edge parts of winding parts are solved.
As shown in fig. 1 and 2, each of the first airtight layer sheets 31 of each airtight layer sheet assembly 30 is overlapped at one end of the airtight layer winding part 10, and the length of the first airtight layer sheet 31 is greater than the length of the overlapped portion between the first airtight layer sheet 31 and the airtight layer winding part 10.
Preferably, the length of the overlapping portion between the first airtight layer film 31 and the airtight layer winding part 10 ranges from 60mm to 80mm.
As shown in fig. 1 and 2, second air barrier film 32 of each air barrier film combination 30 is overlapped on first air barrier film 31, and the length of second air barrier film 32 is greater than the length of the overlapping portion between first air barrier film 31 and second air barrier film 32.
Preferably, the length of the overlapping portion between first airtight layer film 31 and second airtight layer film 32 ranges from 20mm to 40mm.
As shown in fig. 1 and 2, each cuff rubber 20 is overlapped on the second air barrier rubber sheet 32 of the corresponding air barrier rubber sheet assembly 30, and the length of the cuff rubber 20 is greater than the length of the overlapping portion between the cuff rubber 20 and the second air barrier rubber sheet 32.
Preferably, the length of the overlapping portion between the cuff rubber strip 20 and the second air barrier rubber strip 32 ranges from 60mm to 80mm.
Further preferably, the thickness of the first airtight layer film 31 ranges from 2mm to 4mm; and/or the thickness of the second airtight layer rubber sheet 32 ranges from 2mm to 4mm.
For convenience of production, the rubber material used for the first airtight layer rubber sheet 31 and the second airtight layer rubber sheet 32 must be the same as that used for the airtight layer winding part 10, and the specific thickness of the first airtight layer rubber sheet 31 and the second airtight layer rubber sheet 32 can be determined according to the thickness of the airtight layer winding part 10 in the material distribution map; wherein the first and second airtight layer films 31 and 32 may have the same thickness.
Specifically, in the tire of the present invention, the air-tight layer winding part 10 is a winding member, and after the rubber material is fed into the extruder, the rubber strip extruded by the extruder is manually pulled to the winding machine, and the rubber strip is wound on the carcass drum by the winding machine from the winding-up point 11 to the end point 12; wherein, the tolerance between the wavy part and the standard shape after the winding point 11 is wound for one circle is +/-20 mm; the first airtight layer rubber sheet 31 is a pressing part, the connection mode between the first airtight layer rubber sheet 31 and the airtight layer winding part 10 is lap joint, and the lap joint length is 60mm to 80mm; the second airtight layer rubber sheet 32 is a pressing component, the connection mode between the second airtight layer rubber sheet 32 and the first airtight layer rubber sheet 31 is lap joint, and the lap joint length is 20mm to 40mm; the seam allowance wear-resistant glue 20 is a pressing part, the seam allowance wear-resistant glue 20 and the second air-tight layer rubber sheet 32 are connected in an overlapping mode, and the overlapping length is 60mm to 80mm.
From the above description, it can be seen that the above-mentioned embodiments of the present invention achieve the following technical effects:
the utility model discloses a tire includes: an inner liner winding section 10; two seam allowance wear-resistant rubbers 20 respectively arranged at two opposite ends of the airtight layer winding part 10; two airtight layer rubber sheet combinations 30 are arranged, the two airtight layer rubber sheet combinations 30 are arranged in one-to-one correspondence with the two seam allowance wear-resistant adhesives 20, and each airtight layer rubber sheet combination 30 is arranged between the airtight layer winding part 10 and the corresponding seam allowance wear-resistant adhesive 20. Thus, the utility model discloses only solve the problem of winding part limit portion unevenness through increasing air barrier film combination 30, can make its limit portion level and more, the problem of airtight layer delaminating in perk and the use in the production process that leads to because of the limit portion unevenness of winding part has also been solved, still avoided seriously influencing the hidden danger of the gas tightness of tire because of airtight layer delaminating, the security of tire has been improved, be a breakthrough progress on the tire manufacturing winding technology, the stability of the production technology of tire has been improved.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present application unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be discussed further in subsequent figures.
In the description of the present application, it is to be understood that the directions or positional relationships indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the directions or positional relationships shown in the drawings, and are for convenience of description and simplicity of description only, and in the case of not making a reverse description, these directional terms do not indicate and imply that the device or element being referred to must have a particular orientation or be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the present application; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
For ease of description, spatially relative terms such as "over 8230 \ 8230;,"' over 8230;, \8230; upper surface "," above ", etc. may be used herein to describe the spatial relationship of one device or feature to another device or feature as shown in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary terms "at 8230; \8230; 'above" may include both orientations "at 8230; \8230;' above 8230; 'at 8230;' below 8230;" above ". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of protection of the present application is not to be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A tire, comprising:
an inner liner winding section (10);
two seam allowance wear-resistant rubbers (20) which are respectively arranged at two opposite ends of the air-tight layer winding part (10);
the two airtight layer rubber sheet combinations (30) are arranged in one-to-one correspondence with the two seam allowance wear-resistant adhesives (20), and each airtight layer rubber sheet combination (30) is arranged between the airtight layer winding part (10) and the corresponding seam allowance wear-resistant adhesive (20).
2. Tyre according to claim 1, characterized in that each airtight layer rubber combination (30) comprises a plurality of airtight layer rubber sheets, which are superimposed one after the other in the direction from the airtight layer winding (10) to the respective cuff rubber (20).
3. Tyre according to claim 1, characterized in that each of said airtight layer film combinations (30) comprises a first airtight layer film (31) and a second airtight layer film (32), said second airtight layer film (32) being located on the side of the respective first airtight layer film (31) close to the respective said cuff-band anchoring rubber (20).
4. A tyre as claimed in claim 3, wherein said first airtight layer rubber sheet (31) of each airtight layer rubber sheet combination (30) overlaps one end of said airtight layer winding portion (10), said first airtight layer rubber sheet (31) having a length greater than the length of the overlapping portion between said first airtight layer rubber sheet (31) and said airtight layer winding portion (10).
5. A tyre as claimed in claim 4, characterized in that the length of the overlap between said first airtight layer rubber sheet (31) and said airtight layer wrapping (10) ranges from 60mm to 80mm.
6. A tyre as claimed in claim 3, wherein said second airtight layer rubber sheet (32) of each of said airtight layer rubber sheet combinations (30) is overlapped on said first airtight layer rubber sheet (31), said second airtight layer rubber sheet (32) having a length greater than that of an overlapped portion between said first airtight layer rubber sheet (31) and said second airtight layer rubber sheet (32).
7. Tyre according to claim 6, characterized in that the length of the overlap between said first airtight layer rubber sheet (31) and said second airtight layer rubber sheet (32) ranges from 20mm to 40mm.
8. A tyre as claimed in claim 3, wherein each of said bead rubbers (20) overlaps said second airtight layer rubber sheet (32) of the corresponding airtight layer rubber sheet combination (30), the length of said bead rubbers (20) being greater than the length of the overlapping portion between said bead rubbers (20) and said second airtight layer rubber sheet (32).
9. Tyre according to claim 8, characterized in that the length of the overlap between said bead apex (20) and said second liner rubber sheet (32) ranges from 60mm to 80mm.
10. Tire according to claim 3,
the thickness of the first airtight layer film (31) ranges from 2mm to 4mm; and/or
The thickness of the second air-tight layer rubber sheet (32) ranges from 2mm to 4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014455.8U CN218367259U (en) | 2022-11-11 | 2022-11-11 | Tyre for vehicle wheels |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223014455.8U CN218367259U (en) | 2022-11-11 | 2022-11-11 | Tyre for vehicle wheels |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218367259U true CN218367259U (en) | 2023-01-24 |
Family
ID=84938556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223014455.8U Active CN218367259U (en) | 2022-11-11 | 2022-11-11 | Tyre for vehicle wheels |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218367259U (en) |
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2022
- 2022-11-11 CN CN202223014455.8U patent/CN218367259U/en active Active
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