CN201056184Y - Automobile hub unit assembly with active sensor - Google Patents
Automobile hub unit assembly with active sensor Download PDFInfo
- Publication number
- CN201056184Y CN201056184Y CNU2007201100873U CN200720110087U CN201056184Y CN 201056184 Y CN201056184 Y CN 201056184Y CN U2007201100873 U CNU2007201100873 U CN U2007201100873U CN 200720110087 U CN200720110087 U CN 200720110087U CN 201056184 Y CN201056184 Y CN 201056184Y
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- Prior art keywords
- ring
- mandrel
- unit
- sensing
- raceway groove
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- Expired - Fee Related
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- 238000005096 rolling process Methods 0.000 claims description 15
- 238000010276 construction Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 5
- 239000000523 sample Substances 0.000 abstract 3
- 230000008859 change Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 4
- 238000010168 coupling process Methods 0.000 description 4
- 238000005859 coupling reaction Methods 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model discloses a vehicle hub unit with an active transducer; the vehicle hub unit comprises a sensing probe, a sensing magnetic ring, a unit external coil, a core shaft, an internal coil, two lines of rollers and two lines of retainers, wherein, two lines of grooves are arranged on the inner side of the unit external coil; a groove is respectively arranged on the core shaft and on the outside of the internal coil; the two retainers are respectively placed with a line of rollers; the rollers are guided with the retainer; one line of the rollers are arranged between the external coil groove and the internal coil groove; the other line of the rollers are arranged between the external coil groove and the core shaft groove; the sensing magnetic ring is mounted on the internal coil; the sensing probe is mounted on the front end of the unit external coil; the working surface of the sensing probe is in parallel with the sensing magnetic ring. The utility model provides the core shaft with a roller channel, so as to save an internal coil to both simplify the structure, and provide convenience in installation. Besides, an edge-turned revet structure is arranged on the core shaft edge which leans tightly against the internal coil to guarantee the fixed connection between the internal coil and the core shaft, as well as the stable assembling with the sensing magnetic ring, and therefore, improve the overall stability of the unit.
Description
[technical field]
The utility model relates to auto parts and components, relates in particular to the pivoting support mainly as automotive wheel, is with active wheel speed sensor simultaneously, with the hub assembly of automobile ABS formation failure-free enclosed control system.
[background technology]
At present the equipped wheel speed sensors of manned vehicle hub-bearing unit assembly mostly is a passsive sensor, though have simple in structure, characteristics such as cost is low, frequency is corresponding low, poor anti jamming capability.During running car, the functional reliability of ABS can be under some influence.Therefore, progressively developed active wheel speed sensor in recent years, be applied to senior manned vehicle, to improve its safety in operation.
Substantially adopt the biserial channel structure in the automobile hub unit assembly of band active sensor at present, the inboard of outer ring is provided with the biserial raceway groove, adopts two inner rings again, and its outside is provided with a row raceway groove respectively, and complex structure is installed inconvenient.The equipped form of sensor magnet ring on hub is generally the nut locking structure, finds in the use that the coupling mechanism force accuracy requirement of nut is very high.If coupling mechanism force too conference influences the going slick property of hub, if coupling mechanism force too little and might get loose.And when assembling is difficult to the coupling mechanism force of control nut to suitable size, thereby influences the firm performance of whole unit.
[summary of the invention]
The purpose of this utility model solves the problems of the prior art exactly, proposes a kind of automobile hub unit assembly with active sensor, and antijamming capability is strong, and is simple in structure, easy for installation.
For achieving the above object, the utility model proposes a kind of automobile hub unit assembly with active sensor, comprise sensing head, the sensing magnet ring, the outer ring, unit, mandrel, inner ring, two row rolling bodys and two row retainers, the inboard of outer ring, unit is provided with the biserial raceway groove, the mandrel and the inner ring outside have a row raceway groove respectively, lay a row rolling body in two retainers respectively, rolling body is guided by retainer, one row rolling body is between the raceway groove of the raceway groove of outer ring and inner ring, another row rolling body is between the raceway groove of the raceway groove of outer ring and mandrel, the sensing magnet ring is contained on the inner ring, sensing head is installed in the front end of outer ring, unit, the driving surface of sensing head is parallel with the sensing magnet ring, and relative gap between the two is between 0.4-0.8mm.
As preferably, the relative gap between described sensing head and the sensing magnet ring is 0.6mm.
As preferably, the edge that described mandrel tightens inner circle adopts the flange riveted construction.
As preferably, also comprise first seal ring and second seal ring, described first seal ring is arranged between outer ring, unit and the inner ring, and second seal ring is arranged between outer ring and the mandrel.
As preferably, also comprise bolt, on the described flange face that is bolted to mandrel.
The beneficial effects of the utility model: the utility model adopts active sensor, is furnished with fixing operating voltage, the square-wave signal of outputting standard, during wheel revolutions, be fixed on the sensing magnet ring that has breach on the bearing inner ring and act on sensing head,, result from the corresponding change of signal square wave density in the sensing head with the inner ring change in rotational speed, and signal amplitude is constant, thereby the wheel speed signal that has guaranteed sensor output is subjected to external interference by force and not.Outer ring, unit and inner ring raceway all adopt big angle of contact design, constitute biserial angular contact ball structure, have realized good load-carrying capacity, and particularly bigger axial carrying capacity makes vehicle wheel when bend or emergency brake that very high reliability all be arranged.Process raceway on the mandrel, and mandrel outside face integral body is done profiling strengthen, saved an inner ring, both simplified the structure, strengthened the intensity and the rigidity of mandrel again greatly, and easy for installation.The edge that mandrel tightens inner circle adopts the flange riveted construction, has guaranteed that inner ring is captiveed joint with mandrel and firmly equipped with the sensing magnet ring, has improved the firm performance of whole unit.Adopt seal ring to improve the sealing property of unit.
Feature of the present utility model and advantage will be elaborated in conjunction with the accompanying drawings by embodiment.
[description of drawings]
Fig. 1 is that the master of the automobile hub unit assembly of the utility model band active sensor looks cross-sectional view.
[specific embodiment]
As shown in Figure 1, this hub assembly comprises sensing head 10, sensing magnet ring 9, outer ring, unit 1, mandrel 3, inner ring 2, two row rolling bodys 6 and two row retainers 5, the inboard of outer ring, unit 1 is provided with the biserial raceway groove, the mandrel 3 and inner ring 2 outsides have a row raceway groove respectively, lay a row rolling body 6 in two retainers 5 respectively, rolling body 6 is by retainer 5 guiding, one row rolling body 6 is between the raceway groove of the raceway groove of outer ring 1 and inner ring 2, another row rolling body 6 is between the raceway groove of the raceway groove of outer ring 1 and mandrel 3, sensing magnet ring 9 is contained on the inner ring 2, sensing head 10 is installed in the front end of outer ring, unit 1, the driving surface of sensing head 10 is parallel with sensing magnet ring 9, and relative gap between the two is between 0.4-0.8mm.The utility model adopts active sensor, is furnished with fixing operating voltage, the square-wave signal of outputting standard, during wheel revolutions, be fixed on the sensing magnet ring 9 that has breach on the bearing inner ring 2 and act on sensing head 10,, result from the corresponding change of signal square wave density in the sensing head 10 with inner ring 2 change in rotational speed, and signal amplitude is constant, thereby the wheel speed signal that has guaranteed sensor output is subjected to external interference by force and not.Outer ring, unit 1 and inner ring 2 raceways all adopt big angle of contact design, constitute biserial angular contact ball structure, have realized good load-carrying capacity, and particularly bigger axial carrying capacity makes vehicle wheel when bend or emergency brake that very high reliability all be arranged.Process raceway on the mandrel 3, and mandrel 3 outside face integral body are done profiling strengthen, saved an inner ring, both simplified the structure, strengthened the intensity and the rigidity of mandrel again greatly, and easy for installation.
Relative gap between sensing head 10 and the sensing magnet ring 9 is preferably 0.6mm, can make the signal strength of induction suitable.
The edge that described mandrel 3 tightens inner circle 2 adopts the flange riveted construction.Guaranteed that inner ring 2 is captiveed joint with mandrel 3 and equipped firm with sensing magnet ring 9, improved the firm performance of whole unit.
Also comprise first seal ring 4 and second seal ring 7, described first seal ring 4 is arranged between outer ring, unit 1 and the inner ring 2, and second seal ring 7 is arranged between outer ring 1 and the mandrel 3.Adopt first seal ring 4 and second seal ring 7 to improve the sealing property of unit.
Also comprise bolt 8, described bolt 8 is fixed on the flange face of mandrel 3.Bolt 8 directly is connected with automobile rim; Outer ring 1 flange is connected with the chassis suspension; Sensor 10 is installed in the front end inboard of outer ring, unit 1, sends wheel speed information to automotive control system immediately.
The application of this later-model hub assembly further improved the load-carrying capacity and the serviceability of China's manned vehicle, and hub is simple in structure, and the installation and maintenance maintenance is convenient, has extraordinary economic benefit and social benefit.
The foregoing description is to explanation of the present utility model, is not to qualification of the present utility model, any structure after the utility model simple transformation is all belonged to protection domain of the present utility model.
Claims (5)
1. be with the automobile hub unit assembly of active sensor, it is characterized in that: comprise sensing head (10), sensing magnet ring (9), outer ring, unit (1), mandrel (3), inner ring (2), two row rolling bodys (6) and two row retainers (5), the inboard of outer ring, unit (1) is provided with the biserial raceway groove, the mandrel (3) and inner ring (2) outside have a row raceway groove respectively, lay a row rolling body (6) in two retainers (5) respectively, rolling body (6) is guided by retainer (5), one row rolling body (6) is positioned between the raceway groove of the raceway groove of outer ring (1) and inner ring (2), another row rolling body (6) is positioned between the raceway groove of the raceway groove of outer ring (1) and mandrel (3), sensing magnet ring (9) is contained on the inner ring (2), sensing head (10) is installed in the front end of outer ring, unit (1), the driving surface of sensing head (10) is parallel with sensing magnet ring (9), and relative gap between the two is between 0.4-0.8mm.
2. the automobile hub unit assembly of band active sensor as claimed in claim 1 is characterized in that: the relative gap between described sensing head (10) and the sensing magnet ring (9) is 0.6mm.
3. the automobile hub unit assembly of band active sensor as claimed in claim 2,, it is characterized in that: the edge that described mandrel (3) tightens inner circle (2) adopts the flange riveted construction.
4. the automobile hub unit assembly of band active sensor as claimed in claim 3, it is characterized in that: also comprise first seal ring (4) and second seal ring (7), described first seal ring (4) is arranged between outer ring, unit (1) and the inner ring (2), and second seal ring (7) is arranged between outer ring (1) and the mandrel (3).
5. as the automobile hub unit assembly of any one described band active sensor in the claim 1 to 4, it is characterized in that: also comprise bolt (8), described bolt (8) is fixed on the flange face of mandrel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201100873U CN201056184Y (en) | 2007-06-04 | 2007-06-04 | Automobile hub unit assembly with active sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201100873U CN201056184Y (en) | 2007-06-04 | 2007-06-04 | Automobile hub unit assembly with active sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201056184Y true CN201056184Y (en) | 2008-05-07 |
Family
ID=39425030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201100873U Expired - Fee Related CN201056184Y (en) | 2007-06-04 | 2007-06-04 | Automobile hub unit assembly with active sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201056184Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633296B (en) * | 2009-08-15 | 2011-08-17 | 山东华泰轴承制造有限公司 | Fixing device of ABS sensor for automobile wheel bearing and bearing unit |
| CN108709061A (en) * | 2018-05-04 | 2018-10-26 | 中冶东方工程技术有限公司 | The open underwater support of one kind and application |
-
2007
- 2007-06-04 CN CNU2007201100873U patent/CN201056184Y/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101633296B (en) * | 2009-08-15 | 2011-08-17 | 山东华泰轴承制造有限公司 | Fixing device of ABS sensor for automobile wheel bearing and bearing unit |
| CN108709061A (en) * | 2018-05-04 | 2018-10-26 | 中冶东方工程技术有限公司 | The open underwater support of one kind and application |
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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: HANGZHOU ZHAOFENG AUTOMOBILE ACCESSORIES MANUFACT Free format text: FORMER OWNER: KONG AIXIANG Effective date: 20080829 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080829 Address after: Hangzhou City, Zhejiang Province, South Block of Xiaoshan economic and Technological Development Zone Zhaofeng Road 6, zip code: 311232 Patentee after: Hangzhou Zhaofeng Auto Parts Manufacturing Co., Ltd. Address before: Hangzhou City, Zhejiang Province, South Block of Xiaoshan economic and Technological Development Zone Zhaofeng Road 6, zip code: 311232 Patentee before: Kong Aixiang |
|
| C56 | Change in the name or address of the patentee |
Owner name: ZHEJIANG ZHAOFENG MECHANICAL + ELECTRICAL CO., LTD Free format text: FORMER NAME: HANGZHOU ZHAOFENG AUTOMOBILE ACCESSORIES MANUFACTURING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: Hangzhou City, Zhejiang Province, 311232 blocks south of Xiaoshan economic and Technological Development Zone, Zhaofeng Road No. 6 Patentee after: Zhejiang Zhaofeng Mechanical and Electronic Co., Ltd. Address before: Hangzhou City, Zhejiang Province, 311232 blocks south of Xiaoshan economic and Technological Development Zone, Zhaofeng Road No. 6 Patentee before: Hangzhou Zhaofeng Auto Parts Manufacturing Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080507 Termination date: 20140604 |