CN207621173U - The sensor-type automobile hub unit of high-precision wheel speed - Google Patents
The sensor-type automobile hub unit of high-precision wheel speed Download PDFInfo
- Publication number
- CN207621173U CN207621173U CN201721804479.XU CN201721804479U CN207621173U CN 207621173 U CN207621173 U CN 207621173U CN 201721804479 U CN201721804479 U CN 201721804479U CN 207621173 U CN207621173 U CN 207621173U
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- Prior art keywords
- ring
- wheel speed
- flange
- outer ring
- sensor
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Abstract
The utility model is related to a kind of automobile hub units, more particularly, to a kind of sensor-type automobile hub unit of high-precision wheel speed.Its mainly solve the prior art present in bearing unit sensing capability it is poor, wheel speed sense when transducing signal it is more inaccurate, data are error-prone, and installation accuracy is not high, and parts are easy aging, thereby using the service life it is shorter grade technical problem.The utility model includes ring flange, the ring flange is equipped with outer ring, outer ring is internally provided with inner ring, flange side surface at inner ring is equipped with crimping, between outer ring and inner ring, steel ball is designed between outer ring and ring flange, steel ball is equipped with retainer, outer metallic framework is coated on the end face of outer ring, outer metallic framework is equipped with wheel speed sensors, and the outer surface of inner ring is equipped with the interior metallic framework of Z-shaped.
Description
Technical field
The utility model is related to a kind of automobile hub units, more particularly, to a kind of sensor-type automotive hub of high-precision wheel speed
Unit.
Background technology
With the development of technology, the integrated level of automobile hub bearing is higher and higher.Automobile bearing unit generally wraps
It has included inner ring, outer ring, single-row or biserial roller is fixed with by retainer between Internal and external cycle.Chinese patent discloses a kind of wheel hub
Bearing unit（Authorization Notice No.：CN201671960U）Comprising ring flange, inner ring, outer ring, ball, interior retainer, outer holding
Frame, inner ring are mounted on the end outside ring flange；The outer ring is mounted on the root outside ring flange, outer ring and ring flange and interior
Cricoid first raceway groove and the second raceway groove are equipped between circle, the first raceway groove is in ring flange end side, and the second raceway groove is in ring flange
Root side, is equipped with ball in the first raceway groove and the second raceway groove, and outer ring passes through two rows of balls with ring flange and inner ring
Connection is rolled, interior retainer is mounted in the first raceway groove, and outer retainer is mounted in the second raceway groove, and the diameter of the second raceway groove is more than
The diameter of first raceway groove, the ball in the second raceway groove is more than the ball in the first raceway groove；Ring flange end is equipped with and flange
The crimping of disk one, crimping are close to one end of the inner ring；18 balls are housed in the first raceway groove, 20 are equipped in the second raceway groove
Ball；It is additionally provided with speed sensor outside inner ring, speed sensor includes magnetic induction head and alloy tooth annulus.Chinese patent is also public
A kind of automobile hub bearing is opened（Authorization Notice No.：CN201401445）Comprising ring flange inner ring, flange plate outer ring,
Inside race, ball and retainer, set that there are two outer rollaway nest, ring flange inner ring and inside race outer surfaces on flange plate outer ring inner surface
On be respectively provided with interior rollaway nest corresponding with outer rollaway nest, ball is placed in retainer inscribe between interior rollaway nest and outer rollaway nest, method
There is annular groove and step surface on blue disk inner ring outer surface, be equipped with annular retaining ring in groove, inside race end face is resisted against ring
On shape baffle ring, other end is resisted against on step surface.But the sensing capability of this bearing unit is poor, biography when wheel speed senses
Sense signal is more inaccurate, and data are error-prone, and installation accuracy is not high, and parts are easy aging, shorter thereby using the service life.
Utility model content
The utility model is to provide a kind of sensor-type automobile hub unit of high-precision wheel speed, mainly solves the prior art
The sensing capability of existing bearing unit is poor, and transducing signal when wheel speed senses is more inaccurate, and data are error-prone, installation essence
Degree is not high, and parts are easy aging, thereby using the service life shorter technical problem waited.
The above-mentioned technical problem of the utility model is mainly to be addressed by following technical proposals：
The sensor-type automobile hub unit of high-precision wheel speed of the utility model, including ring flange are set on the ring flange
There are outer ring, outer ring to be internally provided with inner ring, the flange side surface at inner ring is equipped with crimping, between outer ring and inner ring, outer ring and flange
Steel ball is designed between disk, steel ball is equipped with retainer, is coated with outer metallic framework on the end face of outer ring, is set on outer metallic framework
There are wheel speed sensors, the outer surface of inner ring to be equipped with the interior metallic framework of Z-shaped.It can be with by outer metallic framework and interior metallic framework
Mutual cutting magnetic line, to be reacted in wheel speed sensors, to export wheel speed signal.Pass through the interior metallic framework of Z-shaped
Connection can be made more secured.
Preferably, being equipped with sealing structure between the outer ring and ring flange root, sealing structure includes sealing gold
Belong to skeleton, sealing metal skeleton is equipped with rubber seal, sets that there are three sealing lip engagement flange packing portions on rubber seal.
The sealing performance that can ensure entire hub unit using sealing structure, prevents dust from invading, to ensure that entire wheel hub list
The service life of member.
Preferably, the corner of the outer metallic framework is evenly equipped with fin, fin is trapezoidal, towards steel ball.Profit
The accuracy of wheel speed sensing can be further increased with fin.
Preferably, the end face of the ring flange is equipped with cavity, the bottom surface of cavity is equipped with screw hole.It can be with using screw hole
Play the role of positioning.
Preferably, the outer ring is equipped with caulking groove at steel ball, the baffle ring of arc is embedded in caulking groove.Utilize gear
Circle can influence the operation of steel ball to avoid the magnetic line of force, and baffle ring is made of insulating materials.
Therefore, the sensing capability of the utility model is preferable, and transducing signal when wheel speed senses is more accurate, and data are not easy out
Mistake, installation accuracy is higher, and parts are non-aging, simple and reasonable for structure thereby using lasting a long time.
Description of the drawings
Attached drawing 1 is a kind of structural schematic diagram of the utility model；
Attached drawing 2 is the cross-sectional view of Fig. 1；
Attached drawing 3 is the portions the A enlarged structure schematic diagram of Fig. 2.
Parts, position and number in figure：Ring flange 1, outer ring 2, inner ring 3, crimping 4, steel ball 5, retainer 6, outer metal
Skeleton 7, wheel speed sensors 8, interior metallic framework 9, sealing metal skeleton 10, rubber seal 11, fin 12, cavity 13, screw hole
14, caulking groove 15, baffle ring 16.
Specific implementation mode
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment：The sensor-type automobile hub unit of high-precision wheel speed of this example, as shown in Figure 1, Figure 2, including ring flange 1, flange
Disk is equipped with outer ring 2, and outer ring is internally provided with inner ring 3, and the flange side surface at inner ring is equipped with crimping 4, between outer ring and inner ring, outside
Steel ball 5 is designed between circle and ring flange, steel ball is equipped with retainer 6, is coated with outer metallic framework 7 on the end face of outer ring, outside
Metallic framework is equipped with wheel speed sensors 8, and the outer surface of inner ring is equipped with the interior metallic framework 9 of Z-shaped.Such as Fig. 3, outer ring and flange
Sealing structure is equipped between packing portion, sealing structure includes sealing metal skeleton 10, and it is close that sealing metal skeleton is equipped with rubber
Sealing 11, sets that there are three sealing lip engagement flange packing portions on rubber seal.The corner of outer metallic framework is evenly equipped with fin
12, fin is trapezoidal, towards steel ball 5.The end face of ring flange is equipped with cavity 13, and the bottom surface of cavity is equipped with screw hole 14.Outer ring
It is equipped with caulking groove 15 at steel ball 5, the baffle ring 16 of arc is embedded in caulking groove.
In use, the utility model is encased in automotive hub.
The foregoing is merely the structure features of specific embodiment of the utility model, but the utility model to be not limited to
This, any those skilled in the art in the field of the utility model, made by changes or modifications all cover it is new in this practicality
Among the scope of the claims of type.
Claims (5)
1. a kind of sensor-type automobile hub unit of high-precision wheel speed, including ring flange（1）, it is characterised in that the ring flange
（1）It is equipped with outer ring（2）, outer ring is internally provided with inner ring（3）, the flange side surface at inner ring is equipped with crimping（4）, outer ring and inner ring
Between, between outer ring and ring flange be designed with steel ball（5）, steel ball is equipped with retainer（6）, outer gold is coated on the end face of outer ring
Belong to skeleton（7）, outer metallic framework is equipped with wheel speed sensors（8）, the outer surface of inner ring is equipped with the interior metallic framework of Z-shaped（9）.
2. the sensor-type automobile hub unit of high-precision wheel speed according to claim 1, it is characterised in that the outer ring（2）
With ring flange（1）Sealing structure is equipped between root, sealing structure includes sealing metal skeleton（10）, on sealing metal skeleton
Equipped with rubber seal（11）, set that there are three sealing lip engagement flange packing portions on rubber seal.
3. the sensor-type automobile hub unit of high-precision wheel speed according to claim 1 or 2, it is characterised in that the outer gold
Belong to skeleton（7）Corner be evenly equipped with fin（12）, fin is trapezoidal, towards steel ball（5）.
4. the sensor-type automobile hub unit of high-precision wheel speed according to claim 1 or 2, it is characterised in that the flange
Disk（1）End face be equipped with cavity（13）, the bottom surface of cavity is equipped with screw hole（14）.
5. the sensor-type automobile hub unit of high-precision wheel speed according to claim 1 or 2, it is characterised in that the outer ring
（2）Close to steel ball（5）Place is equipped with caulking groove（15）, the interior baffle ring for being embedded with arc of caulking groove（16）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804479.XU CN207621173U (en) | 2017-12-21 | 2017-12-21 | The sensor-type automobile hub unit of high-precision wheel speed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721804479.XU CN207621173U (en) | 2017-12-21 | 2017-12-21 | The sensor-type automobile hub unit of high-precision wheel speed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207621173U true CN207621173U (en) | 2018-07-17 |
Family
ID=62820908
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721804479.XU Active CN207621173U (en) | 2017-12-21 | 2017-12-21 | The sensor-type automobile hub unit of high-precision wheel speed |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207621173U (en) |
-
2017
- 2017-12-21 CN CN201721804479.XU patent/CN207621173U/en active Active
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| GR01 | Patent grant |