CN202301604U - Automobile braking hub with steel shell - Google Patents
Automobile braking hub with steel shell Download PDFInfo
- Publication number
- CN202301604U CN202301604U CN2011204495378U CN201120449537U CN202301604U CN 202301604 U CN202301604 U CN 202301604U CN 2011204495378 U CN2011204495378 U CN 2011204495378U CN 201120449537 U CN201120449537 U CN 201120449537U CN 202301604 U CN202301604 U CN 202301604U
- Authority
- CN
- China
- Prior art keywords
- braking hub
- steel material
- steel
- hub
- steel shell
- Prior art date
- 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 - Fee Related
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Abstract
The utility model discloses an automobile braking hub with a steel shell. The automobile braking hub comprises an automobile braking hub, wherein a layer of steel shell covers the periphery of the automobile braking hub; the steel shell is 1 to 3 millimeters thick; and the braking hub is cast on the steel shell. During manufacturing, a braking hub shell is processed from steel material; a die is manufactured on the inner layer of the steel shell; and finally the braking hub is made by one-time iron water casting. The steel material of the outer layer is thin; when the iron water is used for casting the inner layer, the inner layer of the steel shell is smelted partially, and the inner layer of the steel material is smelted and bonded with the iron water; and when the iron water is cooled, the steel material of the outer layer is slightly deformed and contracted along with the cooling of the cast iron, so that a contraction slit generated when expansion coefficients of the steel material and the iron casting are inconsistent during contraction is avoided. A layer of flexible steel material is processed at the periphery of the cast iron braking hub, so that the flexibility of the whole braking hub is improved under the condition that the hardness of the inner layer is not changed; and therefore, the probability of explosion of the braking hub under impact is reduced greatly.
Description
Technical field
The utility model belongs to the auto parts machinery technical field, relates to a kind of braking automobile hub with steel casing.
Technical background
In prior art, the brake hub of automobile forms with pig iron casting, and hardness is big, easy to crack; For addressing this problem, people have designed kinds of schemes, and a kind of is to process the hub body with rigid material; Pig iron wear-resistant liner is installed in the hub body, and the brake hub manufacture cost of this structure is higher; Another kind is two-layer inside and outside brake hub is manufactured, and internal layer is a cast iron layer, and skin is the steel material layer, the brake hub of this structure since when casting two-layer expansion coefficient differ to, inside and outside can produce the crack between two-layer, influence the brake hub quality.
Technological scheme
For solving in the existing technology, adopt double-deck brake hub problem of cracks can occur between two-layer, the utility model provides a kind of braking automobile hub with steel casing, and its technological scheme is following:
The braking automobile hub of band steel casing includes a braking automobile hub, is surrounded by one deck steel casing in the periphery of brake hub, and steel casing thickness is between 1 to 3 millimeter, and brake hub casts on the shell.
When manufacturing, process a brake hub shell with steel material earlier, thickness is made mould at the steel casing internal layer between 1 to 3 millimeter, and disposable casting pig iron molten iron is processed brake hub.Because outer field steel material thickness is little, during molten iron casting internal layer, steel casing internal layer partial melting; Outer heating reddens softening; Fusing is bonding between the internal layer of steel material and the molten iron, when molten iron cool off, melts the bonding strength of adhesive spots rubescent softening outer steel material is inwardly shaken; Outer steel material shrinks with the distortion that the cooling of the pig iron produces trace, has avoided in the contraction process between the steel material and iron casting because of the inconsistent generation shrinkage crack of expansion coefficient.Owing to processed the steel material of one deck flexible in the periphery of pig iron brake hub, whole brake hub toughness under the constant situation of internal layer hardness is strengthened, greatly reduce that brake hub is hit and the probability that bursts.
Description of drawings
Fig. 1 is the structural representation of the utility model.
Embodiment
Embodiment: as shown in Figure 1, a kind of braking automobile hub with steel casing includes a braking automobile hub 1, is surrounded by one deck steel casing 2 in the periphery of braking automobile hub 1, and steel casing 2 thickness are 2 millimeters, and braking automobile hub 1 casts on the steel casing 2.
Claims (1)
1. be with the braking automobile hub of steel casing; Include a braking automobile hub (1); It is characterized in that: the periphery at braking automobile hub (1) is surrounded by one deck steel casing (2), and steel casing (2) thickness is between 1 to 3 millimeter, and braking automobile hub (1) casts on the steel casing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204495378U CN202301604U (en) | 2011-11-05 | 2011-11-05 | Automobile braking hub with steel shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204495378U CN202301604U (en) | 2011-11-05 | 2011-11-05 | Automobile braking hub with steel shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202301604U true CN202301604U (en) | 2012-07-04 |
Family
ID=46370510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204495378U Expired - Fee Related CN202301604U (en) | 2011-11-05 | 2011-11-05 | Automobile braking hub with steel shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202301604U (en) |
-
2011
- 2011-11-05 CN CN2011204495378U patent/CN202301604U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120704 Termination date: 20141105 |
|
| EXPY | Termination of patent right or utility model |