CN201502630U - Integrated ABS automobile hub bearing unit - Google Patents
Integrated ABS automobile hub bearing unit Download PDFInfo
- Publication number
- CN201502630U CN201502630U CN2009202248167U CN200920224816U CN201502630U CN 201502630 U CN201502630 U CN 201502630U CN 2009202248167 U CN2009202248167 U CN 2009202248167U CN 200920224816 U CN200920224816 U CN 200920224816U CN 201502630 U CN201502630 U CN 201502630U
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- CN
- China
- Prior art keywords
- sensor
- abs
- magnetic encoder
- retaining ring
- ring
- 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 integrated ABS automobile hub bearing unit, which belongs to the technical field of an automobile brake ABS anti-lock brake system and is an improvement of an ABS automobile hub bearing unit. The integrated ABS automobile hub bearing unit comprises a double-row angular contact ball bearing (15) and a sensor (8), wherein the double-row angular contact ball bearing (15) is provided with a magnetic encoder (12). The integrated ABS automobile hub bearing unit is characterized in that the magnetic encoder (12) is installed on a two-piece inner ring (10) of the double-row angular contact ball bearing (15), an ABS sensor fixing ring (1) is used for sealing a bearing external ring (4) fastened and adhered at one end of the magnetic encoder, the ABS sensor fixing ring (1) is provided with a sensor fixing groove (9), and the sensor (8) is fixedly installed in the sensor fixing groove (9). The sensor and the magnetic encoder are protected in the ABS sensor fixing ring of the automobile hub bearing, so as to prevent the sensor and the magnetic encoder from being polluted by the outside environment; and the distance between the sensor and the magnetic encoder is changeless, so as to ensure that the output signals do not distort; in addition, the fixing structure of the sensor is simplified.
Description
Technical field
A kind of integrated ABS automobile hub bearing belongs to automobile brake ABS anti-lock braking system technical field.
Background technique
Existing ABS automobile hub bearing is by outer ring, inner ring, steel ball, retainer and be installed on the seal ring of outer ring one end and the other end is together a pair of sealing pair of being interlocked, and the rotating seal ring of sealing pair is a magnetic encoder.Bearing is two-sided all sealing configuration, and magnetic encoder is contained in the outside of sealing configuration, and sensor then is arranged separately on the vehicle bridge by nut, support and bolt.When wheel, magnetic encoder rotates with two half inner rings, the magnetic direction alternate, in its side regional area, produce alternating impulse magnetic field, the change frequency in magnetic field is directly proportional with the rotating speed of wheel, and the change information of this magnetic field polarity feeds back to the ABS system after being captured by sensor, the ABS system is according to the rotation speed change control brake system works of wheel, locking when preventing to brake.
The defective that prior art exists:
1, the magnetic encoder of existing ABS automobile hub bearing is contained in the outside of bearing, is directly exposed in the air, and easily the magnetic-particle in the absorbed air pollutes magnetic encoder, influences the sensor identifying information;
2, sensor is installed separately, and the vibration of wheel easily causes bolt looseness, and fixed structure is unreliable, cause the distance of sensor and magnetic encoder to guarantee, cause the information transmission easily to make mistakes, and the distance adjustment of sensor and magnetic encoder is loaded down with trivial details, sensor fixed structure weight is big;
3, sealing configuration takes up room greatly, can only be used for utilizing the big bearing in space or other structures.
The model utility content
The technical problems to be solved in the utility model is: overcome that existing automobile brake ABS anti-lock braking system is affected by environment, magnetic encoder and the bad assurance of sensor distance, baroque problem, the ABS automobile hub bearing is carried out improved a kind of integrated ABS automobile hub bearing.
The technological scheme that its technical problem that solves the utility model adopts is: this a kind of integrated ABS automobile hub bearing, comprise the double-row angular contact bal bearing and the sensor that have magnetic encoder, it is characterized in that: magnetic encoder is installed on two half inner rings of double-row angular contact bal bearing, abs sensor fixed ring seals button is bonded on the bearing outer ring of carrying magnetic encoder one end, the abs sensor retaining ring is provided with a sensor fixed groove, and sensor is fixedly mounted in the sensor fixed groove.
The abs sensor retaining ring is a ring-type, the outside is the plane, the inboard has annular groove, the outer of abs sensor retaining ring is higher than interior edge, spacing between annular groove width and bearing outer ring and two half inner ring adapts, the Vertical direction at the abs sensor retaining ring left by the sensor fixed groove, and abs sensor retaining ring outer top outer is provided with the Bond accumulator tank, is provided with the Bond hand-hole below the Bond accumulator tank and perpendicular to the abs sensor retaining ring.
The Bond hand-hole of abs sensor retaining ring is three.Also can be one, two or more.
The degree of depth of Bond accumulator tank is 0.2-2mm, and width is 0.5-2.5mm, the degree of depth 3-7mm of sensor fixed groove, width 4-15mm.
The short interior of the bottom surface of the high outer of annular recess of abs sensor retaining ring inboard and the external diameter surface of magnetic encoder, annular recess and the exterior edge face of magnetic encoder, annular recess forms labyrinth seal structure along the groove with the magnetic encoder inside diameter surface.
A kind of integrated ABS automobile hub bearing of the present utility model has following characteristics:
1, magnetic encoder is fixed on two half inner rings of double-row angular contact bal bearing, the two interference fit, and the magnetic encoder upper-end surface is higher than two half inner ring end faces.
2, sensor is bonded in the sensor fixed groove on the abs sensor retaining ring.
3, on the bearing outer ring, the outside of magnetic encoder dress is stained with the abs sensor retaining ring of sensor, and retaining ring directly is bonded on the bearing outer ring, makes product with compact structure, and is easy for installation.Distance between sensor and the magnetic encoder is guaranteed that well sensor can more accurately read the information of magnetic encoder output, and the distance between sensor and the magnetic encoder guarantees at 0.1-5mm.
4, the short interior of the exterior edge face of the bottom surface of the external diameter surface of high outer of the annular recess of abs sensor retaining ring inboard and magnetic encoder, annular recess and magnetic encoder, annular recess forms labyrinth seal structure along the groove with the magnetic encoder inside diameter surface, as the sealing configuration of double-row angular contact bal bearing one end.
5, the abs sensor retaining ring is contained in the outside of magnetic encoder, prevents the magnetic-particle in the magnetic encoder absorbed air.
6, dress lips contact seal circle between bearing outer ring and two half inner ring.
7, be marked with lubricating grease between bearing outer ring and two half inner ring, seal ring, magnetic encoder and abs sensor retaining ring are installed, prevent that lubricating grease from spilling and dust in air enters double-row angular contact bal bearing inside.
8, simple in structure, do not need the sensor supporting structure is set in addition, in light weight, it is little to take up room.
Compared with prior art; the beneficial effect that this a kind of integrated ABS automobile hub bearing is had is: sensor and magnetic encoder are protected in the abs sensor retaining ring; can prevent that sensor and magnetic encoder are by external environmental; distance between sensor and the magnetic encoder remains unchanged, and guarantees that the signal of output can distortion.Simplified the fixed structure of sensor simultaneously.
Description of drawings
Fig. 1 is that a kind of integrated ABS automobile hub bearing master looks to cut open and shows structural representation;
Fig. 2 is an abs sensor retaining ring master TV structure schematic representation;
Fig. 3 is that the A-A of Fig. 2 cuts open and shows schematic representation;
Fig. 4 is that sensor is bonded to cut open in the sensor fixed groove and shows structural representation;
Fig. 5 is the pitch structure schematic representation of sensor and magnetic encoder;
Fig. 6 is the labyrinth seal structure schematic representation;
Fig. 7 is the alternating signal schematic representation after amplifying.
Fig. 1-the 7th, most preferred embodiment of the present utility model.Wherein:
Pulse signal 19 brake points during pulse signal 18 low speed during 10 pairs half inner rings of 1ABS sensor retaining ring 2 Bond hand-holes, 3 Bond 4 bearing outer rings, 5 steel ball 6 seal rings, 7 cable 8 sensors, 9 sensor fixed grooves, 11 retainers, 12 magnetic encoders, 13 annular grooves, 14 Bond accumulator tanks, 15 double-row angular contact bal bearings, 16 labyrinth seal structures, 17 high speeds.
Embodiment
With reference to Fig. 1-6:
A kind of integrated ABS automobile hub bearing of the utility model is by bearing outer ring 4, two half inner rings 10, Bond 3, steel ball 5, retainer 11, seal ring 6, magnetic encoder 12, sensor 8 and abs sensor retaining ring 1 are formed, wherein bearing outer ring 4 is enclosed within on two half inner rings 10 and through steel ball 5 and connects, the two rotates mutually, magnetic encoder 12 is installed on two half inner rings 10, sensor 8 is bonded on the abs sensor retaining ring 1, form a groove between bearing outer ring 4 and the magnetic encoder 12, the high outer sealing of abs sensor retaining ring 1 buckles in the groove, and be bonded on the bearing outer ring 4, sensor 8 is fixedly mounted in the sensor fixed groove 9.Sensor 8 obtains the signal of magnetic encoder 12 outputs near magnetic encoder 12, by cable 7 signal is exported again.Dress lips contact seal circle 6 between bearing outer ring 4 outsides and two half inner ring 10.
The abs sensor retaining ring 1 that Bond 3 will have sensor 8 sticks to one with double-row angular contact bal bearing 15, abs sensor retaining ring 1 is combined into labyrinth seal structure 16 with magnetic encoder 12, as the sealing configuration of this a kind of integrated ABS automobile hub bearing one side, thereby reduced taking of bearing space.
With reference to Fig. 2-3:
Abs sensor retaining ring 1 is a ring-type, the outside is the plane, the inboard has annular groove 13, the outer of abs sensor retaining ring 1 is higher than interior edge, spacing between annular groove 13 width and bearing outer ring 4 and two half inner ring 10 adapts, the Vertical direction at abs sensor retaining ring 1 left by sensor fixed groove 9, and abs sensor retaining ring 1 outer top outer is provided with Bond accumulator tank 14, is provided with Bond hand-hole 2 below Bond accumulator tank 14 and perpendicular to abs sensor retaining ring 1.Bond hand-hole 2 is three.The degree of depth of Bond accumulator tank 14 is 0.2-2mm, and width is 0.5-2.5mm, the degree of depth 3-7mm of sensor fixed groove 9, width 4-15mm.
Abs sensor retaining ring 1 is contained in the outside of magnetic encoder 12, prevents the magnetic-particle in magnetic encoder 12 absorbed airs.
Abs sensor retaining ring 1 fixation of sensor 8, what guarantee sensor 8 radially reaches axial position, makes sensor 8 can more accurately read the information of magnetic encoder 12 outputs.Sensor 8 is 0.1～5mm apart from the axial distance of magnetic encoder 12.
By Bond 3 abs sensor retaining ring 1 and double-row angular contact bal bearing 15 are bonded together, guarantee the not relative rotation of abs sensor retaining ring 1, thereby guarantee that magnetic encoder 12 is constant with the distance of sensor 8 with bearing outer ring 4.
On the bearing outer ring 4, the outside dress of magnetic encoder 12 is stained with the abs sensor retaining ring 1 that has sensor 8, Bond 3 is by in the Bond accumulator tank 14 and bearing outer ring 4 grooves on the 2 injection abs sensor retaining rings 1 of three Bond hand-holes on abs sensor retaining ring 1 external diameter, abs sensor retaining ring 1 and bearing outer ring 4 are sticked together, make product with compact structure, easy for installation.Distance between sensor 8 and the magnetic encoder 12 is guaranteed that well sensor 8 can more accurately read the information of magnetic encoder 12 outputs, and the distance between sensor 8 and the magnetic encoder 12 guarantees at 0.1-5mm.
Dress lips contact seal circle 6 between bearing outer ring 4 and two half inner ring 10.
Be marked with lubricating grease between bearing outer ring 4 and two half inner ring 10, seal ring 6, magnetic encoder 12 and abs sensor retaining ring 1 are installed, prevent that lubricating grease from spilling and dust in air enters double-row angular contact bal bearing 15 inside.
The short interior of the bottom surface of the annular recess 13 high outers of abs sensor retaining ring 1 inboard and the external diameter surface of magnetic encoder 12, annular recess 13 and the exterior edge face of magnetic encoder 12, annular recess 13 forms labyrinth seal structure 16 along the groove with magnetic encoder 12 inside diameter surfaces, as the sealing configuration of double-row angular contact bal bearing 15 1 ends.
With reference to Fig. 7:
This product is used for automobile brake ABS anti-lock braking system.When being installed in magnetic encoder 12 on a kind of integrated ABS hub-bearing unit on the wheel and rotating along with wheel, the mutual variation takes place in the N utmost point, S pole field, produces alternating impulse magnetic field in its side regional area.Produce a pulse signal, the frequency of pulse signal is directly proportional with wheel velocity.When vehicle wheel rotational speed was high, the frequency of output pulse signal was just high, pulse signal 17 during high speed as shown in Figure 7, and during brake, vehicle wheel rotational speed reduces, and the frequency of output pulse signal reduces, as shown in Figure 7 pulse signal 18 during low speed.Sensor 8 on the integrated ABS hub-bearing unit is according to wheel speed output AC signal, and input amplifying circuit zooms into rectangular wave with pulse signal and is sent to central processing unit (CPU).Central processing unit (CPU) carries out corresponding action according to the signal that obtains.When breaking down signal, stop the work of automobile brake ABS anti-lock braking system, return the conventional brake state, the ABS warning light on the instrument panel brightens simultaneously, and allowing the driver know has abnormal conditions to take place.
The above, it only is preferred embodiment of the present utility model, be not to be the restriction of the utility model being made other form, any those skilled in the art may utilize the technology contents of above-mentioned announcement to be changed or be modified as the equivalent embodiment of equivalent variations.But every technical solutions of the utility model content that do not break away from.To any simple modification, equivalent variations and remodeling that above embodiment did, still belong to the protection domain of technical solutions of the utility model according to technical spirit of the present utility model.
Claims (5)
1. integrated ABS automobile hub bearing, comprise the double-row angular contact bal bearing (15) and the sensor (8) that have magnetic encoder (12), it is characterized in that: magnetic encoder (12) is installed on two half inner rings (10) of double-row angular contact bal bearing (15), abs sensor retaining ring (1) seal buckle is bonded on the bearing outer ring (4) of carrying magnetic encoder one end, abs sensor retaining ring (1) is provided with a sensor fixed groove (9), and sensor (8) is fixedly mounted in the sensor fixed groove (9).
2. a kind of integrated ABS automobile hub bearing according to claim 1, it is characterized in that: abs sensor retaining ring (1) is ring-type, the outside is the plane, the inboard has annular groove (13), the outer of abs sensor retaining ring (1) is higher than interior edge, spacing between annular groove (13) width and bearing outer ring (4) and two half inner ring (10) adapts, the Vertical direction in abs sensor retaining ring (1) left by sensor fixed groove (9), abs sensor retaining ring (1) outer top outer is provided with Bond accumulator tank (14), is provided with Bond hand-hole (2) in Bond accumulator tank (14) below and perpendicular to abs sensor retaining ring (1).
3. a kind of integrated ABS automobile hub bearing according to claim 2 is characterized in that: the Bond hand-hole (2) of abs sensor retaining ring (1) is three.
4. a kind of integrated ABS automobile hub bearing according to claim 2, it is characterized in that: the degree of depth of Bond accumulator tank (14) is 0.2-2mm, width is 0.5-2.5mm, the degree of depth 3-7mm of sensor fixed groove (9), width 4-15mm.
5. a kind of integrated ABS automobile hub bearing according to claim 1 and 2 is characterized in that: the short interior of the bottom surface of the high outer of annular recess (13) that abs sensor retaining ring (1) is inboard and the external diameter surface of magnetic encoder (12), annular recess (13) and the exterior edge face of magnetic encoder (12), annular recess (13) forms labyrinth seal structure (16) along the groove with magnetic encoder (12) inside diameter surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202248167U CN201502630U (en) | 2009-08-15 | 2009-08-15 | Integrated ABS automobile hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202248167U CN201502630U (en) | 2009-08-15 | 2009-08-15 | Integrated ABS automobile hub bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201502630U true CN201502630U (en) | 2010-06-09 |
Family
ID=42453563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202248167U Expired - Fee Related CN201502630U (en) | 2009-08-15 | 2009-08-15 | Integrated ABS automobile hub bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201502630U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821941A (en) * | 2014-03-10 | 2014-05-28 | 董波 | Assembly oil seal with sensing function |
| CN113819238A (en) * | 2021-08-31 | 2021-12-21 | 岚图汽车科技有限公司 | Sealing structure of hub bearing end and automobile |
| US11970752B2 (en) | 2019-03-29 | 2024-04-30 | Nippon Steel Corporation | Steel sheet |
-
2009
- 2009-08-15 CN CN2009202248167U patent/CN201502630U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103821941A (en) * | 2014-03-10 | 2014-05-28 | 董波 | Assembly oil seal with sensing function |
| CN103821941B (en) * | 2014-03-10 | 2016-09-07 | 董波 | There is the assembly oil sealing of sensing function |
| US11970752B2 (en) | 2019-03-29 | 2024-04-30 | Nippon Steel Corporation | Steel sheet |
| CN113819238A (en) * | 2021-08-31 | 2021-12-21 | 岚图汽车科技有限公司 | Sealing structure of hub bearing end and automobile |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100609 Termination date: 20130815 |