CN2860896Y - 15 DC tubeless wheel rim - Google Patents
15 DC tubeless wheel rim Download PDFInfo
- Publication number
- CN2860896Y CN2860896Y CN 200520142290 CN200520142290U CN2860896Y CN 2860896 Y CN2860896 Y CN 2860896Y CN 200520142290 CN200520142290 CN 200520142290 CN 200520142290 U CN200520142290 U CN 200520142290U CN 2860896 Y CN2860896 Y CN 2860896Y
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- China
- Prior art keywords
- rim
- wheel rim
- tire
- wheel
- utility
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a 15 degree centigrade DC inner tire free adopted rim section structure. As to the design scheme, radian of the rim of the outer side at top is changed from R12.7 to R 18-20 under the precondition that the radian at the assembly location of rim and tire (R12.7) is unchanged, which widens the rim and therefore enhances the stiffness and strength; the radius of rim is enlarged, therefore ensuring a small stress and good tenacity in shaping; the friction generated by the material towards the die in shaping is small, which relatively prolongs the service life of die; each raising peak is provided at the junctures of bead base and bevel edges of groove bottom at two sides respectively, which not only enhances the stiffness of bead base but prevents the tire cast phenomenon in turning vehicles when driving.
Description
Technical field
The utility model relates to a kind of 15 ° of DC inner tube-free wheel wheel rim section structures.
Background technology
Wheel rim is the important component part of automotive wheel, and the quality of wheel rim quality and the length in life-span directly have influence on running safety.There is irrationality in 15 ° of DC rim for automobile wheel of tradition because of its intrinsic section structure design, cause wheel rim rigidity and insufficient strength and be prone to damage or distortion, secondly, when the automobile turning tire becomes flat suddenly, be prone to and throw the tire phenomenon, thereby have influence on the use and the traffic safety of wheel.
Summary of the invention
The purpose of this utility model is to provide a kind of later-model 15 ° of DC inner tube-free wheel wheel rim section structures in order to address the above problem.
Scheme of the present utility model: the one, at the matching part of wheel rim and tire, guarantee will change R18-20 into by R12.7 from the outer rim at wheel rim top under the wheel rim and tire assembling place radian R12.7 unmodified situation of wheel rim; The 2nd, respectively increased a protruding peak in the intersection of bead seat and kerve both sides hypotenuse.
Advantage of the present utility model is: widening of (1) wheel rim position, can effectively improve the rigidity and the intensity of wheel rim, and then improve wheel service life and safety; (2) owing to increase wheel rim outside camber radius, metal flow is good during the wheel rim moulding, can reduce the internal stress at this position greatly, effectively improves the toughness of material; (3) bending spring of wheel rim external side end strengthens, and material is little to the friction force of mould during moulding, the corresponding die life that prolonged; (4) a protruding peak has respectively been set up in the intersection of bead seat and kerve both sides hypotenuse, has both strengthened bead seat rigidity, can avoid automobile turning to occur throwing tire phenomenon because of tire becomes flat suddenly in travelling again.
Description of drawings
Fig. 1 is the section drawing of utility model.
Among the figure, 1 and 5 is wheel rims; 2 and 4 is bead seats; The 3rd, bottom land; 6 and 11 is wheel rim outside cambered surfaces; 7 and 10 is that wheel rim and tire are joined and face.
The specific embodiment
The utility model is made up of wheel rim, bead seat and bottom land three parts, and it is to implement like this:
Embodiment 1: manufacture and design the contour roll forming mould in advance according to wheel rim section structure of the present utility model, then the contour roll forming mould is installed on the roller head machine; Steel plate is cut, rolls up circle, is enclosed within on the contour roll forming mould of roller head machine after being welded into steel drum, utilize the contour roll forming mould the contour roll forming wheel rim of steel drum flow forming for the utility model section structure.
Embodiment 2: steel rolling mill designs, produces the shaped steel mould according to the utility model section structure; The shaped steel mould is installed on the milling train, thereafter, utilizes hot rolling technology billet rolling to be become the wheel rim shaped steel of the utility model section structure; This wheel rim shaped steel is through cutting, roll up the shaped steel wheel rim that operations such as circle, welding are processed into the utility model section structure.
Claims (1)
1, novel 15 ° of DC inner tube-free wheel wheel rims is characterized in that: will change R18-20 into by R12.7 from the outer rim arc at wheel rim top, and respectively increase a protruding peak at bead seat and hypotenuse intersection, bottom land both sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520142290 CN2860896Y (en) | 2005-12-05 | 2005-12-05 | 15 DC tubeless wheel rim |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520142290 CN2860896Y (en) | 2005-12-05 | 2005-12-05 | 15 DC tubeless wheel rim |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2860896Y true CN2860896Y (en) | 2007-01-24 |
Family
ID=37658524
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520142290 Expired - Lifetime CN2860896Y (en) | 2005-12-05 | 2005-12-05 | 15 DC tubeless wheel rim |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2860896Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922945A (en) * | 2012-10-09 | 2013-02-13 | 浙江金固股份有限公司 | Commercial steel wheel with double bumps |
| CN103978834A (en) * | 2014-06-11 | 2014-08-13 | 韶关市正星车轮有限公司 | Reinforced rim with ultra-large wheel edges |
-
2005
- 2005-12-05 CN CN 200520142290 patent/CN2860896Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102922945A (en) * | 2012-10-09 | 2013-02-13 | 浙江金固股份有限公司 | Commercial steel wheel with double bumps |
| CN103978834A (en) * | 2014-06-11 | 2014-08-13 | 韶关市正星车轮有限公司 | Reinforced rim with ultra-large wheel edges |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JUSTICE WHEEL GROUP CO., LTD. Free format text: FORMER OWNER: LAI JIANHUI Effective date: 20100730 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 363000 INSIDE OF ZHENGXING GROUP S YARD, 73KM OF NORTH NATIONAL RING HIGHWAY 319, XIANGCHENG DISTRICT, ZHANGZHOU CITY, FUJIAN PROVINCE TO: 363000 RIGHT, 73KM, NO.319, NATIONAL HIGHWAY, NORTH RING ROAD, ZHANGZHOU CITY, FUJIAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20100730 Address after: 363000, Fujian, Zhangzhou, North Ring Road 319, 73 kilometers on the right Patentee after: Justice Wheel Group Co Ltd Address before: 363000 Fujian province Zhangzhou City State Road 319 line 73 kilometers north of Xiangcheng District Zhengxing Group Hospital Patentee before: Lai Jianhui |
|
| CX01 | Expiry of patent term |
Granted publication date: 20070124 |
|
| EXPY | Termination of patent right or utility model |