CN210149241U - Arrangement structure of wheel speed sensor - Google Patents
Arrangement structure of wheel speed sensor Download PDFInfo
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- CN210149241U CN210149241U CN201920793551.6U CN201920793551U CN210149241U CN 210149241 U CN210149241 U CN 210149241U CN 201920793551 U CN201920793551 U CN 201920793551U CN 210149241 U CN210149241 U CN 210149241U
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- wheel
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- speed sensor
- wheel speed
- hub bearing
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Abstract
The utility model discloses a fast sensor arrangement structure of wheel, including wheel hub bearing, wheel hub bearing frame, rear-axle housing ring flange, the fast sensor of wheel and the fast sensor ring gear of wheel, the wheel hub bearing is installed inside the wheel hub bearing frame, the outer tip in wheel hub bearing frame is installed to the fast sensor ring gear of wheel, the fast sensor of wheel is installed on the rear-axle housing ring flange and is set up with the tooth structure on the fast sensor ring gear of wheel relatively. The ring gear is arranged outside wheel hub bearing frame, separates with the inside bearing of bearing frame, and the ring gear is the axial and evenly arranges, and sensor edgewise received signal, it need not to set up the sensor mounting hole on the axle housing to avoided the influence of sensor mounting hole infiltration to bearing life-span, inside the sensor need not to stretch into the axle housing, the user can conveniently look over the sensor probe and the ring gear condition, sensor stability in use is good.
Description
Technical Field
The utility model belongs to the technical field of the automotive technology and specifically relates to a fast sensor arrangement structure of wheel is related to.
Background
The wheel speed sensor is used for providing wheel speed signals for an automobile control system and realizing functions of ABS, automatic gearbox control and the like, and the wheel speed sensor is of a Hall type and a magnetoelectric type, and receives the signals through a gear ring although the working principle is different. Because the sensor is fixed and the gear ring is rotated, most gear rings used on a common rear drive axle are installed on a half shaft, the gear rings are generally in a structure that the gear rings are radially arranged and sleeved on a gear ring close to a bearing along with the rotation of the half shaft, and the wheel speed sensor is installed from the outside and aligns a probe to the gear ring to receive signals. Such structures all have the following problems: 1. when the sensor hole is not tightly sealed, dust in the air or water in wading can enter the axle housing from the sensor hole, and the half-shaft bearing is abnormally abraded for a long time, so that the half shaft is damaged and other faults are caused; 2. inside the sensor stretched into the axle housing, the situation of sensor can't be seen from the outside, and when the greasy dirt in the axle housing was stained with at the sensor head, unable very first time discernment just can discover when waiting signal detection appearance is unusual, influences the stability of use.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model aims to solve the technical problem that a fast sensor arrangement structure of wheel is provided, it need not to set up the sensor mounting hole on the axle housing, and sensor stability in use is good.
In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:
this wheel speed sensor arrangement structure, including wheel hub bearing, wheel hub bearing frame, rear axle housing ring flange, the fast sensor of wheel and the fast sensor ring gear of wheel, the wheel hub bearing is installed inside the wheel hub bearing frame, the outer tip in wheel hub bearing frame is installed to the fast sensor ring gear of wheel, the fast sensor of wheel is installed and is set up with the tooth structure on the fast sensor ring gear of wheel on the rear axle housing ring flange relatively.
Furthermore, the hub bearing is arranged inside the hub bearing seat and sealed through a bearing oil seal.
The outer end of the hub bearing seat is provided with a step, and the inner edge of the gear ring of the wheel speed sensor is arranged on the step in an interference fit manner.
Still include the brake bottom plate, the last fast sensor of corresponding wheel of brake bottom plate is equipped with the through-hole, and the setting of the fast sensor of wheel passes the through-hole.
The wheel speed sensor is provided with a sensor probe, and the range of the clearance between the sensor probe and the gear ring is 0.5-1.2 mm.
The wheel speed sensor comprises a gear ring and a wheel speed sensor, and is characterized by further comprising a brake and a brake drum, wherein the gear ring of the wheel speed sensor and a sensor probe on the wheel speed sensor are both positioned on the inner sides of the brake and the brake drum.
Compared with the prior art, the utility model, have following advantage:
this wheel speed sensor arrangement structure reasonable in design, the ring gear is arranged outside wheel hub bearing frame, separates with the inside bearing of bearing frame, and the ring gear is the axial and evenly arranges, sensor edgewise received signal, and it need not to set up the sensor mounting hole on the axle housing to avoided the influence of sensor mounting hole infiltration to bearing life-span, the sensor need not to stretch into inside the axle housing, and the user can conveniently look over the sensor probe and the ring gear condition, and sensor stability in use is good.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic view of the arrangement structure of the present invention.
Fig. 2 is a schematic view of the gear ring structure of the present invention.
In the figure:
1. the wheel hub bearing, 2, the wheel hub bearing seat, 3, the bearing oil seal, 4, the gear ring, 5, the wheel speed sensor, 6, the brake bottom plate, 7, the rear axle shell flange and 8, the rear axle shell.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings.
As shown in fig. 1 and 2, the wheel speed sensor arrangement structure includes a rear axle housing 8, a wheel hub bearing 1, a wheel hub bearing seat 2, a rear axle housing flange 7, a wheel speed sensor 5 and a wheel speed sensor ring gear 4, wherein the wheel hub bearing is installed inside the wheel hub bearing seat, the wheel speed sensor ring gear is installed at the outer end part of the wheel hub bearing seat, and the wheel speed sensor is installed on the rear axle housing flange and is arranged opposite to a tooth structure on the wheel speed sensor ring gear.
The hub bearing 1 is arranged in the hub bearing seat and sealed by a bearing oil seal 3. The outer end of the hub bearing seat 2 is provided with a step, and the inner edge of the gear ring of the wheel speed sensor is arranged on the step in an interference fit manner. The hub bearing is sealed by the oil seal, and even if water enters the gear ring, the water cannot flow into the bearing, so that the faults of rusting, abrasion and the like caused by water inflow of the bearing are avoided.
A through hole is formed in the brake bottom plate 6 corresponding to the wheel speed sensor, and the wheel speed sensor penetrates through the through hole. The gear ring of the wheel speed sensor and the sensor probe of the wheel speed sensor are both positioned on the inner sides of the brake and the brake drum. The gear ring is not directly exposed in the air, and sundries such as stones and the like cannot be clamped in the tooth grooves of the gear ring.
The wheel speed sensor 5 is provided with a sensor probe which is aligned with the middle part of the tooth structure of the gear ring, and the clearance range between the sensor probe and the gear ring is 0.5-1.2 mm.
Preferred specific examples are:
the basic structure of the gear ring of the wheel speed sensor is that the diameter of an inner ring is phi 94(mm), the diameter of an outer ring is phi 116(mm), the whole thickness of the gear ring is 10.5(mm), the depth of a tooth groove is 2(mm), 68 teeth are uniformly distributed on the circumference of the tooth groove with the width of 2.5(mm), and the material is powder metallurgy.
The hub bearing 1 is installed in the hub bearing seat 2, the right side of the hub bearing seat is sealed by a hub oil seal 3, a gear ring 4 of the wheel speed sensor is installed on the end surface of the hub bearing seat and is pressed in an interference manner, the axial position is limited by the step of the hub bearing seat, the hub bearing seat and the step do not move relatively, and the tooth surface faces the inner side; the wheel speed sensor 5 passes through the brake bottom plate 6 and is mounted on a rear axle housing flange 7.
The gear ring is arranged outside the hub bearing seat and separated from a bearing inside the bearing seat, the gear ring is uniformly arranged in the axial direction, the sensor receives signals from the side face, the sensor is arranged on a flange plate of a rear axle housing, and the probe penetrates through the brake bottom plate and then aligns to the gear ring.
When the vehicle travels, the wheel hub bearing block drives the gear ring to rotate, and the wheel speed sensor is fixedly arranged on the flange plate of the rear axle housing, so that a detection signal is detected. The sensor probe and the gear ring are externally sealed by the brake and the brake drum and are not directly exposed in the air, sundries such as stones and the like cannot be clamped in the tooth grooves of the gear ring, the hub bearing is sealed by the oil seal, and even if water enters the gear ring, the water cannot flow into the bearing, so that the faults such as rusting and abrasion caused by water entering the bearing are avoided.
It need not to set up the sensor mounting hole on the axle housing to avoided sensor mounting hole infiltration to the influence in bearing life-span, inside the sensor need not to stretch into the axle housing, the user can conveniently look over the sensor probe and the ring gear condition, and sensor stability in use is good.
The above-mentioned features are merely for describing preferred embodiments of the present invention and may be arbitrarily combined to form a plurality of embodiments of the present invention.
The present invention has been described in detail with reference to the accompanying drawings, and it is apparent that the present invention is not limited by the above embodiments, and various insubstantial improvements can be made without modification to the present invention.
Claims (6)
1. The utility model provides a fast sensor arrangement structure of wheel, includes wheel hub bearing, wheel hub bearing frame, rear-axle housing ring flange, the fast sensor of wheel and the fast sensor ring gear of wheel, wheel hub bearing installs inside wheel hub bearing frame, its characterized in that: the gear ring of the wheel speed sensor is installed at the outer end part of the hub bearing seat, and the wheel speed sensor is installed on the flange plate of the rear axle housing and is opposite to the gear structure on the gear ring of the wheel speed sensor.
2. The wheel speed sensor arrangement of claim 1, wherein: the hub bearing is arranged in the hub bearing seat and sealed through a bearing oil seal.
3. The wheel speed sensor arrangement of claim 1, wherein: the outer end of the hub bearing seat is provided with a step, and the inner edge of the gear ring of the wheel speed sensor is arranged on the step in an interference fit manner.
4. The wheel speed sensor arrangement of claim 1, wherein: still include the brake bottom plate, the last fast sensor of corresponding wheel of brake bottom plate is equipped with the through-hole, and the setting of the fast sensor of wheel passes the through-hole.
5. The wheel speed sensor arrangement of claim 1, wherein: the wheel speed sensor is provided with a sensor probe, and the range of the clearance between the sensor probe and the gear ring is 0.5-1.2 mm.
6. The wheel speed sensor arrangement of claim 1, wherein: the wheel speed sensor comprises a gear ring and a wheel speed sensor, and is characterized by further comprising a brake and a brake drum, wherein the gear ring of the wheel speed sensor and a sensor probe on the wheel speed sensor are both positioned on the inner sides of the brake and the brake drum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920793551.6U CN210149241U (en) | 2019-05-29 | 2019-05-29 | Arrangement structure of wheel speed sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920793551.6U CN210149241U (en) | 2019-05-29 | 2019-05-29 | Arrangement structure of wheel speed sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210149241U true CN210149241U (en) | 2020-03-17 |
Family
ID=69761006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920793551.6U Active CN210149241U (en) | 2019-05-29 | 2019-05-29 | Arrangement structure of wheel speed sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210149241U (en) |
-
2019
- 2019-05-29 CN CN201920793551.6U patent/CN210149241U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230404 Address after: Floor 18, Building 13, Science and Technology Industrial Park, No. 717 Zhongshan South Road, Wuhu High tech Industrial Development Zone, Yijiang District, Wuhu City, Anhui Province, 241000 Patentee after: Wuhu Tairui Automobile Co.,Ltd. Address before: 241000 Building 8, science and Technology Industrial Park, 717 Zhongshan South Road, Yijiang District, Wuhu City, Anhui Province Patentee before: Chery Commercial Vehicles (Anhui) Co., Ltd. |
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| TR01 | Transfer of patent right |