CN203254898U - All-steel-wire radial tire with externally-arranged tire bead filling rubber - Google Patents
All-steel-wire radial tire with externally-arranged tire bead filling rubber Download PDFInfo
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- CN203254898U CN203254898U CN 201320310432 CN201320310432U CN203254898U CN 203254898 U CN203254898 U CN 203254898U CN 201320310432 CN201320310432 CN 201320310432 CN 201320310432 U CN201320310432 U CN 201320310432U CN 203254898 U CN203254898 U CN 203254898U
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Abstract
The utility model provides an all-steel-wire radial tire with externally-arranged tire bead filling rubber. The all-steel-wire radial tire with the externally-arranged tire bead filling rubber aims to solve the problem that L-type structures of tire beads of an existing all-steel-wire radial tire exist. In a tire bead structure of the all-steel-wire radial tire, the tire bead filling rubber originally arranged between a tire body carcass ply and a tire body reverse wrapping end is arranged on the outer side of the tire body. The end portion of the tire body steel-wire carcass ply is on a tire bead, after being closely wound on the surface of a steel wire ring in a closed mode, the reverse wrapping end is directly attached to the carcass ply. The attaching width of the tie body reverse wrapping end and the tire is not smaller than two times of the square root of the overall area of the modeling steel wire ring; the upper vertex angle of the type steel wire ring always ranges from 30 degrees to 60 degrees, the modeling of the type steel wire ring can be formed by single winding of steel wires, and can also be formed by combination of triangle-shape modeling rubber with the sectional area smaller than that of the steel wire ring. The all-steel-wire radial tire with the externally-arranged tire bead filling rubber can avoid a series of early quality damages like cracking and exploding of the tire bead and exploding of steel wire cords, and prolong the service life of the tire.
Description
Technical field
The utility model relates to a kind of whole steel wire radial tyre, be particularly related to a kind of for the improved tire of common whole steel wire radial tyre bead structure, common whole steel wire radial tyre Central Plains is placed bead filler rubber between bead coil top, carcass ply and the carcass anti-package termination, be placed on the whole steel wire radial tyre in the carcass anti-package end outside.Carcass anti-package termination and carcass, closely fit, with moulding bead coil enclosed package interior.
Background technology
All be provided with one deck carcass wirecord fabric in the whole steel wire radial tyre, the cord two ends are distributed in two tyre beads of tire symmetrically, held bead coil in the tyre bead bag of outwards turning on one's side radially extends from the tire axial inboard, carcass ply is walked around bead bundle with it anti-package termination is " L " shape of opening, on the bead coil end face, between carcass ply and the carcass ply anti-package termination triangle rubber components (seeing Fig. 8 and Fig. 9) that is used for bead filler is arranged.This structure of whole steel wire radial tyre tyre bead must cause the transition of tyre bead portion bending stiffness irregular, and the huge step of drop occurs at carcass ply anti-package end points place, and this has just formed intrinsic fault of construction at the whole steel wire radial tyre tyre bead portion.Tire in motion, the stress high concentration anti-package termination very easily occurs and comes to nothing in carcass anti-package end regions, so cause that tire bead splits, fried and steel cord takes out a series of early stage quality such as quick-fried and damages.
Summary of the invention
The problem that the purpose of this utility model exists in order to solve existing whole steel wire radial tyre tyre bead " L " type structure, and then provide a kind of bead filler rubber external whole steel wire radial tyre.
The purpose of this utility model is achieved through the following technical solutions:
The whole steel wire radial tyre that a kind of bead filler rubber is external, comprise carcass metal-cord, carcass metal-cord anti-package termination, bead coil and the little triangle shaping glue of bead coil, after described carcass metal-cord was close to bead coil and is walked around 360 °, its carcass metal-cord anti-package termination and carcass metal-cord were fitted closely; The gap that exists between carcass metal-cord and carcass metal-cord anti-package termination they and the bead coil is filled by the little triangle shaping glue of bead coil, the sectional area of the little triangle shaping glue of bead coil is less than the sectional area of bead coil, and be not less than the subduplicate twice of the bead coil gross area with the length of the close carcass metal-cord anti-package termination of fitting of carcass metal-cord, triangle bead filler rubber 15 is placed on the outside of carcass metal-cord anti-package termination 22.
The utility model is compared with existing technology has following advantage.The utility model is so that the transition of tyre bead portion bending stiffness is very even, reduced carcass ply anti-package end points place the huge step of drop has occured, tire in motion, stress no longer high concentration in carcass anti-package end regions, having avoided occurring the anti-package termination comes to nothing, prevented that tire bead from splitting, exploding and steel cord is taken out a series of early stage quality damages such as quick-fried, prolonged the service life of tire.
Description of drawings
Fig. 1 is the cross-section structure of full steel wire meridian of the present utility model, and wherein 1-1 is tube-tyre, and 1-2 is tubeless tires;
Fig. 2 is the typical steel wire ring cross-section structure in the whole steel wire radial tyre of prior art;
Fig. 3 is the typical section constructional drawing of moulding bead coil in the whole steel wire radial tyre of the present utility model, and wherein 3-1-1 and 3-1-2 are fit to be applied to tube-tyre of the present utility model; 3-2-1 is fit to be applied to tubeless tires of the present utility model to 3-2-4;
Fig. 4 is the exemplary block diagram of tyre bead in the whole steel wire radial tyre of the present utility model; Wherein, 4-1-1 and 4-1-2 are tube-tyre tyre bead of the present utility model; 4-2-1 is tubeless tires tyre bead of the present utility model to 4-2-3;
Fig. 5 the carcass metal-cord, adds the layer of steel wire cord again and gives integrally stiffened whole steel wire radial tyre in the utility model;
Fig. 6 is in the utility model the body piles metal-cord, again with two wirecord fabrics local whole steel wire radial tyre of strengthening carcass from the tire shoulder to the bead base respectively;
Fig. 7 is the whole steel wire radial tyre that the steel bead wire curtain cloth reinforced layer is arranged in the utility model;
Fig. 8 is the cross-section structure of existing full steel wire meridian tube-tyre;
Fig. 9 is the cross-section structure of existing full steel wire meridian tubeless tires.
The band bundle that Reference numeral 1-multilayer wirecord fabric among the figure forms; 2-carcass metal-cord; 22-carcass metal-cord anti-package termination; the whole steel wire curtain cloth reinforced layer of 3-carcass metal-cord; the local wirecord fabric enhancement Layer of 4-carcass metal-cord, 5-tyre bead enhancement Layer, 6-bead coil; the 7-bead coil is outer around material layer (fibercord or rubber layer); the little triangle shaping glue of 8-bead coil, the special glutinous thin adhesive layer of 9-, 10-tyre surface; the 11-tire shoulder is filled glue; the 12-sidewall rubber, glue, 14-tire bead protective rubber are filled in the 13-sidewall; 15-triangle bead filler rubber, 16-air-retaining liner and inside liner.
The specific embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail: present embodiment is implemented under take technical solutions of the utility model as prerequisite, has provided detailed embodiment, but protection domain of the present utility model is not limited to following embodiment.
Such as Fig. 1, Fig. 3 ~ shown in Figure 7, the external whole steel wire radial tyre of a kind of bead filler rubber that present embodiment is related, comprise carcass metal-cord (2), carcass metal-cord anti-package termination (22), bead coil (6) and the little triangle shaping glue of bead coil (8), after described carcass metal-cord 2 is close to bead coil (6) and is walked around 360 °, fit closely with carcass metal-cord (2) in its carcass metal-cord anti-package termination (22); Because the steel cord bending stiffness is large and bead coil moulding cause, the gap that exists between carcass metal-cord 2 and carcass metal-cord anti-package termination (22) they and the bead coil (6) still needs be filled by the little triangle moulding of bead coil (8), the sectional area of the little triangle shaping glue of bead coil (8) is less than the sectional area of bead coil (6), and carcass metal-cord anti-package termination (22) length of closely fitting with carcass metal-cord (2) is not less than the subduplicate twice of bead coil (6) gross area, and triangle bead filler rubber (15) is placed on the outside of carcass metal-cord anti-package termination (22).
Described carcass metal-cord (2) can arrange one deck carcass wirecord fabric enhancement Layer (3) again, and carcass wirecord fabric enhancement Layer (3) is narrower, without turn-up section, is close to ground floor carcass metal-cord
(2)The inboard.
Described carcass metal-cord (2) can arrange one deck carcass wirecord fabric enhancement Layer (4) again from the tire shoulder to the tyre bead, be close to the inboard of ground floor carcass metal-cord (2), and its termination ends near the top of bead coil (6).
One or more layers strengthening course can be sticked in described carcass metal-cord (2) inboard, and described strengthening course (5) can be the steel bead wire curtain cloth reinforced layer, or the fibercord enhancement Layer, or its two combination.
Embodiment 1
Present embodiment comprises a crown, a carcass, two sidewalls and two bead part.Multilayer wirecord fabric bracing ply and tyre surface are arranged in the crown, a bead coil (6) (seeing Fig. 1) is arranged in each tyre bead.The typical section shape of common whole steel wire radial tyre bead coil generally has regular hexagon, oblique hexagon, parallelogram, circle (seeing Fig. 2).According to the utility model; typical moulding bead coil section form; usually also needing with a section is that the little triangle shaping glue of bead coil (8) comes combination shaping (seeing Fig. 3); in order to adapt to carcass anti-package structural requirement of the present utility model (seeing Fig. 4), the basal area of the little triangle shaping glue of this bead coil (8) is less than the basal area of bead coil (6).Among Fig. 3,3-1 is applicable to tube-tyre; 3-2 is applicable to tubeless tires.Whole steel wire radial tyre of the present utility model (seeing Fig. 1, Fig. 4) has the little triangle shaping glue of bead coil (8) in the tyre bead, glue (13) is filled on tire bead protective rubber (14), sidewall, and tire inner surface has rubber air-retaining liner and inside liner (16).There is sidewall rubber (12) in the tire sidepiece carcass outside.One deck carcass metal-cord (2) is arranged in the carcass.After the two ends of carcass metal-cord (2) are close to bead coil (6) (seeing Fig. 3) and were held 360 ° from the tire axial inboard symmetrically, carcass metal-cord anti-package termination (22) and the intimate of inboard carcass metal-cord (2) fit (seeing Fig. 1, Fig. 4); If forming process needs, allow between carcass metal-cord anti-package termination (22) and carcass metal-cord (2), to stick on the glutinous thin adhesive layer (9) of the spy of thickness in 1mm; Triangle bead filler rubber (15) places the outside of carcass metal-cord (2) and carcass metal-cord anti-package termination (22), and fills side within three composite members of glue (13) and sidewall rubber (12) formation at tire bead protective rubber (14), sidewall.Carcass is with the each several part of tire: sidewall rubber (12), sidewall are filled glue (13), tire bead protective rubber (14), bead coil (6), triangle bead filler rubber (15), air-retaining liner and are connected 16 with inside liner), multilayer wirecord fabric the band bundle (1), the tyre surface (10) that form be connected glue (11) connection and be combined into tire integral body with tire shoulder.
Be tube-tyre according to the utility model shown in the 1-1 among Fig. 1, its parts are made, and except the bead coil needs were special, the whole steel wire radial tyre parts of the making of remaining part and prior art were identical.Bead coil (6) (seeing the 3-1-2 among Fig. 3), utilize common hexagon steel bead wire manufacturing equipment, adopt regular hexagon bead coil forming mould, according to the tire safety needs, determine required bead coil steel wire total sectional area, determine again to select steel wire diameter, determine that the minimum number of turns is m, the section winding displacement mode of design coiling bead coil: arranging the beginning radical of upwards arranging successively the end of by is n, (n+1), (n+1), n, (n-1), (n-2) ... 3,2,1, total radical is N=(n+1) * (n+2)/2+2n+1, should satisfy N 〉=m.After finishing, coiling expires whole bead coil surface with the wide fibre curtain cloth for 20mm-25mm of the thick 0.8mm-1.0mm of being by the spiral winding in 1-2mm gap again.
In the carcass wirecord fabric of the present utility model, cord is arranged radially, namely arranges along meridian direction.
According to tube-tyre of the present utility model shown in Figure 1, adopt the main bulging moulding of semi-core wheeled moulding.During moulding, successively with Qi Miceng ﹠amp; Inside liner composite members, casingply centering are affixed on the moulding drum surface, are tubular behind the plain adapter; And post shoulder wedge; After finger-type was just being wrapped device carcass ply cylinder both ends are just being wrapped, assembly drum shoulder side was close at both ends, and clad is on side drum reverse-wrapped capsule surface, and the tyre bead locking loop device that reverse-wrapped capsule is covered with is positioned to aim at bead coil at this moment; Just wrapping simultaneously, being enclosed within finger-type is just wrapping the outer bead coil push-plate of device the bead coil side direction is being advanced to the drum shoulder, carcass ply cylinder Zheng Bao position tightly pasted be pressed against assembly drum drum shoulder sidepiece, bead coil push-plate and finger-type are just being wrapped after the device side direction detaches, the tyre bead locking ring is expanded rapidly, the matrix body tube end on the outer reverse-wrapped capsule surface of circle binding ring piece is strutted, the locking steel wire circle, the inflation of side drum reverse-wrapped capsule, under the spacing back-up ring effect of side capsule, side drum capsule continues radial dilatation with carcass ply cylinder end, it is close to held bead coil after one week, climb up assembly drum drum shoulder, wrap on the casingply surface that is attached on the bulging shoulder face.This moment the reverse-wrapped capsule Quick air-discharge, the bead coil binding ring shrinks, the side drum is withdrawn, with pressure roller from the drum side begin with matrix body tube anti-package position one by one roll extrusion compress compacting on bead coil and carcass ply.In case of necessity, can before carcass just wraps, paste the special glutinous thin skin adhesive tape of a circle at the drum shoulders in advance, make carcass anti-package termination and carcass surface-bonded get more firm; Bead filler adhesive tape upper limb is fitted on the moulding drum surface by positioning requirements, with pressure roller shoulders, this parts outward flange is being roused in its roll extrusion
PressAfter closing, with cord anti-package reference position spacing 0 ~ 5mm, be fitted on the carcass anti-package cord, and covered whole cord anti-package termination; Fill glue, bead chafer three composite members on applying sidewall, location, side drum surface, sidewall, mobile side drum is combined into one with main assembly drum location, and the tyre bead locking ring extension makes the bead chafer locking steel wire circle in three composite members, and makes the sealing of main drum inner chamber; The band bundle tread rings that transmission ring will prepare is taken off from band bundle drum, moves to main drum centering location; At this moment, the inflation on one side of main drum is Yi Bian shrink its width to specific bit, the carcass middle part expand into being with the bundle inside face and contacts, transmission ring charge releasing belt bundle tread rings, and mobile withdrawing from, rear pressure roller roll extrusion fits tightly shoulder wedge and carcass surface on tread strip beam ring and the carcass; Side drum reverse-wrapped capsule inflation, glue is filled on the sidewall in three composite members and sidewall part covering plaster is combined on bead filler rubber, carcass, shoulder wedge and the tread-rubber side shoulder face, and the roll extrusion exhaust, fits closely; The reverse-wrapped capsule exhaust; From bead base, upwards roll extrusion fits tightly three composite members and bead filler rubber, carcass, shoulder wedge, tread-rubber with pressure roller.The tyre bead locking ring shrinks, the main bulging exhaust of moulding, and drum shoulder radial shrinkage is unloaded tire.So far, shown in the 1-1 among Fig. 1, the green tire base of tube-tyre of the present utility model is molded complete.
According among Fig. 1 shown in the 1-2, tubeless tires of the present utility model, and the tire of the various typical tyre beads shown in Fig. 2, and the various bead coil typical section structures among the Fig. 3 that adopts, can both finish smoothly on the corresponding shaping machine according to the method that the tube-tyre of the present utility model of 1-1 among above-mentioned Fig. 1 is made.
According to shown in Figure 5, tire of the present utility model is outside the carcass metal-cord, adds the layer of steel wire cord again and gives integrally stiffened whole steel wire radial tyre; In fact this tire has double-deck carcass, and wherein, one deck is main carcass metal-cord, and there is the anti-package end at its two ends; Another layer wirecord fabric be without the anti-package end, and steel cord specification, the steel cord density of arranging is identical with main stor(e)y; But two-layer body cord trend has 3 ~ 5 ° of angles of cut with radial, and two interlayer cords intersect and are 6 ~ 10 ° of intersections.
According to shown in Figure 6, in the utility model outside the body piles wirecord fabric main stor(e)y, more respectively with wirecord fabric from the tire shoulder to the bead base to the local whole steel wire radial tyre of strengthening of carcass; And steel cord specification, the steel cord density of arranging is identical with main stor(e)y; But two-layer body cord trend has 3 ~ 5 ° of angles of cut with radial, and two interlayer cords intersect and are 6 ~ 10 ° of intersections.
Among Fig. 5, Fig. 6, the effect of carcass strengthening course not only is to increase the carcass tensile strength, simultaneously more is to increase the lateral rigidity of tire, in order to create conditions, is not losing under the vehicular drive performance prerequisite, to the tyre bead design of reducing weight; Alleviate tire weight, reduce tire drag, reduce the tire cost.Among Fig. 7, the effect of steel bead wire curtain cloth reinforced layer is to increase the tyre bead portion rigidity, also can play the effect of the lateral rigidity that improves tire.
The above; it only is the better specific embodiment of the utility model; these specific embodiment all are based on the different implementations under the utility model general idea; and protection domain of the present utility model is not limited to this; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection domain of the present utility model.Therefore, protection domain of the present utility model should be as the criterion with the protection domain of claims.
Claims (4)
1. whole steel wire radial tyre that bead filler rubber is external, it is characterized in that, comprise carcass metal-cord (2), carcass metal-cord anti-package termination (22), bead coil (6) and the little triangle shaping glue of bead coil (8), after described carcass metal-cord (2) is close to bead coil (6) and is walked around 360 °, fit closely with carcass metal-cord (2) in its carcass metal-cord anti-package termination (22); The gap that exists between carcass metal-cord (2) and carcass metal-cord anti-package termination (22) they and the bead coil (6) is filled by the little triangle shaping glue of bead coil (8), the sectional area of the little triangle shaping glue of bead coil (8) is less than the sectional area of bead coil (6), and be not less than the subduplicate twice of bead coil (6) gross area with the length of the close carcass metal-cord anti-package termination (22) of fitting of carcass metal-cord (2), the little triangle shaping glue of bead coil (8) is placed on the outside of carcass metal-cord anti-package termination (22).
2. the external whole steel wire radial tyre of bead filler rubber according to claim 1, it is characterized in that described carcass metal-cord (2) is two-layer, second layer carcass metal-cord (2) is narrower, without turn-up section, be close to the inboard of ground floor carcass metal-cord (2).
3. the external whole steel wire radial tyre of bead filler rubber according to claim 1, it is characterized in that, described carcass metal-cord (2) is two-layer from the tire shoulder to the tyre bead, be close to the inboard of ground floor carcass metal-cord (2), its termination ends near the top of bead coil (6).
4. the external whole steel wire radial tyre of bead filler rubber according to claim 1, it is characterized in that, one or more layers strengthening course can be sticked in described carcass metal-cord (2) inboard, described strengthening course (5) can be the steel bead wire curtain cloth reinforced layer, or fibercord enhancement Layer, or its two combination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320310432 CN203254898U (en) | 2013-06-01 | 2013-06-01 | All-steel-wire radial tire with externally-arranged tire bead filling rubber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320310432 CN203254898U (en) | 2013-06-01 | 2013-06-01 | All-steel-wire radial tire with externally-arranged tire bead filling rubber |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203254898U true CN203254898U (en) | 2013-10-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320310432 Expired - Lifetime CN203254898U (en) | 2013-06-01 | 2013-06-01 | All-steel-wire radial tire with externally-arranged tire bead filling rubber |
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| Country | Link |
|---|---|
| CN (1) | CN203254898U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650585A (en) * | 2017-10-17 | 2018-02-02 | 瞿飞 | Anti-tie green tire |
| CN110370698A (en) * | 2018-04-13 | 2019-10-25 | 三橡股份有限公司 | The preparation method of aero tyre |
-
2013
- 2013-06-01 CN CN 201320310432 patent/CN203254898U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107650585A (en) * | 2017-10-17 | 2018-02-02 | 瞿飞 | Anti-tie green tire |
| CN107650585B (en) * | 2017-10-17 | 2024-05-07 | 瞿飞 | Puncture-proof green tyre |
| CN110370698A (en) * | 2018-04-13 | 2019-10-25 | 三橡股份有限公司 | The preparation method of aero tyre |
| CN110370698B (en) * | 2018-04-13 | 2021-04-20 | 三橡股份有限公司 | Preparation method of airplane tire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131030 Effective date of abandoning: 20160413 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |