CN207140700U - Radial tire undertread and radial - Google Patents
Radial tire undertread and radial Download PDFInfo
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- CN207140700U CN207140700U CN201721021811.5U CN201721021811U CN207140700U CN 207140700 U CN207140700 U CN 207140700U CN 201721021811 U CN201721021811 U CN 201721021811U CN 207140700 U CN207140700 U CN 207140700U
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Abstract
The utility model proposes a meridian tyre belted layer, the radial tire undertread is further equipped with fibercord belt in the radial outer side of the 3rd belt and zero-degree belt, and the axial both ends of the fibercord belt are located at the axially external of second belt；Radial tire undertread of the present utility model effectively prevent radial and the technical problem that hat is empty and shoulder is empty occurs, have higher endurance quality and service life.The utility model has higher endurance quality and service life it is further proposed that a meridian line tyre, the axial both ends of its fibercord belt are in contact with shoulder wedge respectively.
Description
Technical field
The utility model belongs to tyre technology, more particularly to a meridian tyre belted layer and radial.
Background technology
Belt is the main stressed member of radial, and therefore, the structure of belt can be to the property of radial
Large effect can be produced.Referring to Fig. 1, currently used radial tire undertread is 3+0 structures (also referred to as nullity belt beam
Rotating fields), i.e., radially it is equipped with the first belt 11, the second belt 12 and the 3rd belt successively from inside to outside along tire
13, the axial both sides of the 3rd belt 13 are respectively arranged with zero-degree belt 14, wherein the first belt 11, the second belt 12
It is larger with the cord angle of the 3rd belt 13；The cord of zero-degree belt 14 arranges with circumferential centerline parallel, cord angle
It is close to 0 °.
It should be noted that the radial tire undertread of 3+0 structures in the prior art, process is travelled in radial
In, the belt of tire ground area is compressed, and the belt for leaving ground region stretches again, in this process, the
Steel wire between one belt 11 and the second belt 12, between the second belt 12 and the 3rd belt 13, which can be produced mutually, to be cut
The steel wire shear action at the effect of cutting, especially the first belt 11 and 12 axial both ends of the second belt is more serious, with steel wire phase
Adjacent rubber produces fatigue damage because of the shear action of steel wire, or even cracks, with the further exacerbation of crackle, and then
There is the phenomenon that rotating radial crown is empty and shoulder is empty, have impact on the endurance quality and service life of radial.
Therefore, a meridian tyre belted layer is designed, effectively avoids radial from the skill that hat is empty and shoulder is empty occur
Art problem, the endurance quality and service life of radial are improved, is very important to those skilled in the art.
The content of the invention
The utility model causes radial the skill that hat is empty and shoulder is empty occur for above-mentioned radial tire undertread
Art problem, a meridian tyre belted layer is proposed, can effectively avoid radial from the technology that hat is empty and shoulder is empty occur and ask
Topic, improve the endurance quality and service life of radial；The utility model is it is further proposed that a meridian line tyre, energy
It is enough effectively to avoid the occurrence of the technical problem that hat is empty and shoulder is empty, there is higher endurance quality and service life.
In order to achieve the above object, the technical solution adopted in the utility model is：
One meridian tyre belted layer, including radially it is bonded the first belt of laying, second successively from inside to outside
Belt and the 3rd belt, the radial outer side of second belt are further equipped with zero-degree belt, the zero degree
Belt is located at the axial both sides of the 3rd belt respectively, and the axial end points edge of second belt deviates from circumferential center
The direction of line protrudes from the axial end points of first belt and zero-degree belt, the 3rd belt and nullity belt beam
The radial outer side of layer is further equipped with fibercord belt, and the axial both ends of the fibercord belt are positioned at described
Second belt it is axially external.
Preferably, the axial end points of the fibercord belt radially inner side with second belt vertically
Face is concordant.
Preferably, the axial end points of the fibercord belt is located at the footpath in the second belt radially inner side face
Downwards.
Preferably, between the axial end points of the fibercord belt axial end points corresponding to second belt
Spacing be 5mm-15mm；The zero-degree belt 24 is arranged to radially two layers.
Preferably, the fibercord belt is one layer or multilayer.
One meridian line tyre, including carcass, further comprise foregoing radial tire undertread, the first band beam
Layer is layed in the radial outer side of the carcass, and tire shoulder pad is filled between the axial both ends of second belt and carcass
Glue, the radial outer side of the axial both ends of the fibercord belt respectively with the shoulder wedge are in contact.
Compared with prior art, it is the advantages of the utility model with good effect：
1st, the utility model radial tire undertread, it passes through in the 3rd belt and two zero-degree belts
Radial outer side lays fibercord belt, and the axial both ends of the fibercord belt is wrapped second band
The axially external face of beam layer, so as to reduce the stress size of the utility model radial tire undertread, and then reduce institute
State between the first belt and the second belt, between the second belt and the 3rd belt steel wire shear action, effectively keep away
The radial rubber adjacent with steel wire at this is exempted to crack because of fatigue, and then has reduced radial and be preced with
The empty technical problem of empty and shoulder, improve the endurance quality and service life of radial tire undertread.
2nd, the utility model radial, its fibercord belt and shoulder wedge enclose to form confined space together
And wrap first belt, the second belt, the 3rd belt and zero-degree belt, further to reduce described
Between one belt and the second belt, between the second belt and the 3rd belt steel wire shear action, reduce with should
Locate the risk that the adjacent rubber of steel wire cracks by fatigue damage, avoid radial and occur to be preced with showing for empty and shoulder sky
As further increasing the endurance quality and service life of radial.
Brief description of the drawings
Fig. 1 is the structural representation of prior art radial tire undertread；
Fig. 2 is one of structural representation of the utility model radial tire undertread；
Fig. 3 is the two of the structural representation of the utility model radial tire undertread.
Above in each figure：11st, the first belt；12nd, the second belt；13rd, the 3rd belt；14th, zero-degree belt；
21st, the first belt；22nd, the second belt；23rd, the 3rd belt；24th, zero-degree belt；25th, fibercord
Layer；26th, carcass；27th, shoulder wedge；28th, tread rubber.
Embodiment
Below, the utility model is specifically described by exemplary embodiment.It should be appreciated, however, that do not having
In the case of being further discussed below, element, structure and features in an embodiment can also be advantageously incorporated into other implementations
In mode.
, it is necessary to which explanation, circumferencial direction is circumferential, along the direction of radius for radially in description of the present utility model；
And along the direction of radius increase for radially outward, the direction along radius reduction is radially-inwardly；The rotating shaft of tire is axial direction, along axle
It is axial inner ends to and towards the direction of circumferential center line, is vertically and away from the direction of circumferential center line axial outer end；Cross
The section of tire rotating shaft is the horizontal section of tire, is the part-structure schematic diagram of horizontal section in Fig. 1, Fig. 2, Fig. 3, and Fig. 1,
Horizontal direction in Fig. 2, Fig. 3 is tire rotor shaft direction, and vertical direction is radial direction；Term " interior ", " outer ", " on ", " under ",
The orientation or position relationship of the instructions such as "front", "rear" are based on position relationship shown in the drawings, are for only for ease of and describe this reality
With new and simplify description, rather than instruction or imply that signified device or element there must be specific orientation, with specific
Azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " first ", " second ", " the 3rd "
It is only used for describing purpose, and it is not intended that instruction or hint relative importance.
As shown in Figure 2 and Figure 3, the utility model proposes a meridian tyre belted layer, including the first belt 21,
Two belts 22, the 3rd belt 23 and zero-degree belt 24, first belt 21, the band beam of the second belt the 22, the 3rd
Layer 23 along tire, radially lay successively from inside to outside, and the first belt 21, the second belt 22, the 3rd belt 23 by fitting
Circumferential center line alignment set.The radial outer side at the 22 axial both ends of the second belt is respectively arranged with zero-degree belt
24, the zero-degree belt 24 is two, and two zero-degree belts 24 are located at the axial direction of the 3rd belt 23 respectively
Both sides.Second belt 22 is working lining, is main stressed member, and the axial end points edge of second belt 22 deviates from
The direction of circumferential center line protrudes from the axial end points of first belt 21 and zero-degree belt 24, i.e., described second band
The axial width of beam layer 22 is more than the axial width of first belt 21, while the axial width of second belt 22
More than the 3rd belt 23 and two axial widths of zero-degree belt 24 and.3rd belt 23 and nullity belt
The radial outer side of beam layer 24 is further equipped with fibercord belt 25, the axial both ends of the fibercord belt 25
Positioned at the axially external of second belt 22, i.e., described fibercord belt 25 is by the axial direction of second belt 22
Lateral surface wraps.
Radial tire undertread of the present utility model, it passes through in the 3rd belt 23 and two zero-degree belts
24 radial outer side laying fibercord belt 25, and wrap the axial both ends of the fibercord belt 25
The axially external face of second belt 22, so as to reduce the stress size of second belt 22, and then reduce
Between the belt 12 of first belt 11 and second, between the second belt 12 and the 3rd belt 13 steel wire shearing make
With effectively prevent the radial rubber adjacent with steel wire at this and cracked because of fatigue, and then reduce meridian
There is the technical problem that hat is empty and shoulder is empty in tire, improves the endurance quality and service life of radial tire undertread.
With continued reference to Fig. 2, Fig. 3, in order to ensure the fibercord belt 25 by the axial direction of second belt 22
Lateral surface parcel is complete, and the axial end points of the fibercord belt 25 is inside with the footpath of second belt 22 vertically
Side is concordant, or the axial end points of the fibercord belt 25 is located at the footpath in the radially inner side face of the second belt 22
Downwards.
Further, the axle of the axial end points of the fibercord belt 25 the second belt 22 adjacent with the end points
It is 5mm-15mm to the spacing between end points, to be adapted to the radial tire undertread of different model, ensures the fibre curtain
The axial end points of cloth belt 25 is located at the axially external of second belt 22, and the fibercord belt 25 will
The axially external bread of second belt 22 wraps.
Preferably, the zero-degree belt 24 is arranged to radially two layers, the fibercord belt 25 may be configured as
Radially one layer or two layers.
In order to further improve the stress performance of the utility model radial tire undertread, first belt 21,
Second belt 22, the 3rd belt 23 and zero-degree belt 24 are steel belt, and the fibercord belt 25 is
Nylon fiber or other fiber belts.
The production technology of the utility model radial tire undertread is as follows：
S1：Lay first belt 21, the second belt 22 and the 3rd belt 23 successively on the laminating drum,
The circumferential center line of first belt 21, the second belt 22 and the 3rd belt 23 is kept to align during fitting；
S2：Second belt 22 radial outer side and with the axial both sides corresponding positions of the 3rd belt 23
Put and wind the zero-degree belt 24 respectively；
S3：The fibercord band is laid in the radial outer side of the 3rd belt 23 and two zero-degree belts 24
Beam layer 25.
The utility model radial tire undertread, it passes through in the 3rd belt 23 and two zero-degree belts 24
Radial outer side laying fibercord belt 25, and make the fibercord belt 25 axial both ends wrap it is described
The axially external face of second belt 22, so as to reduce the stress size of second belt 22, and then reduce described
Between first belt 21 and the second belt 22, between the second belt 22 and the 3rd belt 23 steel wire shear action,
It effectively prevent the radial rubber adjacent with steel wire at this to crack because of fatigue, and then reduce radial
There is the technical problem that hat is empty and shoulder is empty, improve the endurance quality and service life of radial tire undertread.
Preferably, in step S1, first belt 21, the second belt 22 and the 3rd belt 23 are spread respectively
If one layer, and keep the head and the tail both ends of first belt 21 to be mutually butted, the head and the tail both ends point of second belt 22
Do not dock, the head and the tail both ends of the 3rd belt 23 are docked respectively.
Preferably, in step S2, two zero-degree belts 24 circumferentially enclose by winding two, to improve rotating radial
Wear resistance at tire tire shoulder.
Further, in step S2, when winding the zero-degree belt 24, the head end and tail end of the zero-degree belt 24
Circumferentially overlapping length be 30mm-50mm.
Preferably, in step S3, the fibercord belt 25 circumferentially lays one layer or two layers.
The utility model is it is further proposed that a meridian line tyre, including carcass 26 and foregoing rotating radial tire belt
Layer, first belt 21, the second belt 22 and the 3rd belt 23 are radially layed in the tire successively from inside to outside
In the radial outer side of body 26, because the axial width of second belt 22 is most wide, second belt 22 is dashed forward vertically
Shoulder wedge 27, the fibercord band beam are filled between part and the carcass 26 for first belt 21
The axial both ends of layer 25 are respectively in the radial outer side of the shoulder wedge 27 and outside with the footpath of the shoulder wedge 27
Side is in contact, and the fibercord belt 25 and shoulder wedge 27 enclose to form confined space and by the first band together
Beam layer 21, the second belt 22, the 3rd belt 23 and zero-degree belt 24 wrap, further to reduce the first band beam
The stress of the 21, second belt 22 of layer, the 3rd belt 23 and zero-degree belt 24, and then reduce the He of the first belt 21
Between second belt 22, between the second belt 22 and the 3rd belt 23 steel wire shear action, reduce and steel at this
The risk that the adjacent rubber of silk cracks by fatigue damage, avoid radial and the phenomenon that hat is empty and shoulder is empty occur,
Further increase the endurance quality and service life of radial.
The utility model radial, its fibercord belt 25 and shoulder wedge 27 enclose to form confined air together
Between and first belt 21, the second belt 22, the 3rd belt 23 and zero-degree belt 24 wrapped, with further
Reduce between the belt 22 of the first belt 21 and second, steel wire cuts between the second belt 22 and the 3rd belt 23
The effect of cutting, the risk that the rubber adjacent with steel wire at this cracks by fatigue damage is reduced, avoids radial
The phenomenon that hat is empty and shoulder is empty occurs, further increases the endurance quality and service life of radial
With continued reference to Fig. 2, Fig. 3, the radial outer side of fibercord belt 25 is further equipped with to connect with road surface
Tactile tread rubber 28, the axial width of second belt 22 is the 85%-95% of the tread width, to ensure the son
The bearing capacity of radial tire, the axial direction of the axial end points of first belt 21, second belt 22 adjacent with the end points
Spacing between end points is 10-20mm, to be further ensured that the bearing capacity of the radial.
Further, the axial width of the zero-degree belt 24 is the axial width of second belt 22
10%-20%, and between the axial outer end point axial end points corresponding to first belt 21 of the zero-degree belt 24
Spacing is -5mm-5mm, and the 3rd belt 23 is arranged between two zero-degree belts 24, the 3rd belt
Gap about 1mm between the 23 axial end points zero-degree belt axial inner ends point adjacent with the end.
Claims (6)
1. a meridian tyre belted layer, including radially it is bonded the first belt (21) of laying, successively from inside to outside
Two belts (22) and the 3rd belt (23), the radial outer side of second belt (22) are further equipped with nullity belt
Beam layer (24), the zero-degree belt (24) are located at the axial both sides of the 3rd belt (23) respectively, it is characterised in that：Institute
State the axial end points of the second belt (22) along away from the direction of circumferential center line protrude from first belt (21) and
The radial outer side of the axial end points of zero-degree belt (24), the 3rd belt (23) and zero-degree belt (24) is further
Fibercord belt (25) is equipped with, the axial both ends of the fibercord belt (25) are located at second belt
(22) axially external.
2. radial tire undertread according to claim 1, it is characterised in that：The fibercord belt (25)
Axial end points is concordant with the radially inner side face of second belt (22) vertically.
3. radial tire undertread according to claim 1, it is characterised in that：The fibercord belt (25)
Axial end points is located at the second belt (22) radially inner side face radially below.
4. according to the radial tire undertread described in claim any one of 1-3, it is characterised in that：The fibercord band beam
Spacing between the axial end points axial end points corresponding to second belt (22) of layer (25) is 5mm-15mm.
5. radial tire undertread according to claim 1, it is characterised in that：The fibercord belt (25) sets
It is set to radially one layer or multilayer；The zero-degree belt (24) is arranged to radially two layers.
6. a meridian line tyre, including carcass (26), it is characterised in that：Further comprise such as any one of claim 1-5 institutes
The radial tire undertread stated, first belt (21) are layed in the radial outer side of the carcass (26), and described
Shoulder wedge (27), the fibercord belt (25) are filled between the axial both ends of two belts (22) and carcass (26)
Radial outer side of the axial both ends respectively with the shoulder wedge (27) be in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721021811.5U CN207140700U (en) | 2017-08-15 | 2017-08-15 | Radial tire undertread and radial |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721021811.5U CN207140700U (en) | 2017-08-15 | 2017-08-15 | Radial tire undertread and radial |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207140700U true CN207140700U (en) | 2018-03-27 |
Family
ID=61666652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721021811.5U Active CN207140700U (en) | 2017-08-15 | 2017-08-15 | Radial tire undertread and radial |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207140700U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499064A (en) * | 2017-08-15 | 2017-12-22 | 青岛双星轮胎工业有限公司 | Radial tire undertread and its production technology, radial |
| CN110588247A (en) * | 2019-09-24 | 2019-12-20 | 中策橡胶集团有限公司 | 70-series low-flat pneumatic radial tire for load |
-
2017
- 2017-08-15 CN CN201721021811.5U patent/CN207140700U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107499064A (en) * | 2017-08-15 | 2017-12-22 | 青岛双星轮胎工业有限公司 | Radial tire undertread and its production technology, radial |
| CN110588247A (en) * | 2019-09-24 | 2019-12-20 | 中策橡胶集团有限公司 | 70-series low-flat pneumatic radial tire for load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200108 Address after: 266400 No. 666, Lianghe Road, Huangdao District, Qingdao, Shandong Province Patentee after: Qingdao lunyun design and Research Institute Co., Ltd Address before: 266400, Shandong, Huangdao Province, Qingdao District, Hong Kong Town, Hong Hing Avenue, No. 66 Patentee before: Qingdao Doublestar Tire Industry Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210901 Address after: 66 Gangxing Avenue, Boli Town, Huangdao District, Qingdao City, Shandong Province Patentee after: QINGDAO DOUBLESTAR TIRE INDUSTRIAL Co.,Ltd. Address before: NO.666, Lianghe Road, Huangdao District, Qingdao City, Shandong Province 266400 Patentee before: Qingdao lunyun design and Research Institute Co.,Ltd. |
|
| TR01 | Transfer of patent right |