CN206749771U - A kind of vehicle wheel rotational speed detection means and automobile - Google Patents
A kind of vehicle wheel rotational speed detection means and automobile Download PDFInfo
- Publication number
- CN206749771U CN206749771U CN201720391082.6U CN201720391082U CN206749771U CN 206749771 U CN206749771 U CN 206749771U CN 201720391082 U CN201720391082 U CN 201720391082U CN 206749771 U CN206749771 U CN 206749771U
- Authority
- CN
- China
- Prior art keywords
- gear ring
- detection means
- rotational speed
- knuckle
- protective plate
- 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
Links
Abstract
The utility model provides a kind of vehicle wheel rotational speed detection means and automobile, and the vehicle wheel rotational speed detection means includes：Hub bearing；The knuckle being rotatably connected with hub bearing；Gear ring of the fixed cover on hub bearing, the outer wall of gear ring are provided with the gear teeth set around the center line of gear ring；The protective plate being fixed on knuckle, enclosed between protective plate and knuckle and set to form an accommodation space, and protective plate and the pre-determined distance of gear ring interval first；The wheel speed sensor for being fixed on knuckle, being connected for the electronic control unit with automobile, wheel speed sensor include a sensor probe, and sensor probe is oppositely arranged with gear ring, and sensor probe and the pre-determined distance of gear ring interval second；Wheel speed sensor is located in accommodation space, and the first pre-determined distance is less than the second pre-determined distance.It can realize that extraneous sudden foreign matter is stopped, prevent wheel speed sensor from the problem of work actual effect occur because foreign matter wears.
Description
Technical field
Auto parts and components field is the utility model is related to, especially a kind of vehicle wheel rotational speed detection means and automobile.
Background technology
The ABS (anti-blocking brake system) of automobile is used for when automobile is braked, and automatically controls braking device braking
The size of power, make wheel not by locking, the state in side rolling cunning (slip rate is 20% or so), to ensure wheel and ground
Adhesive force in maximum.In braking, wheel rotation speed signals that ABS transmits according to each wheel speed sensor can be rapid
Judge the locking state of wheel, close the normally opened input magnetic valve started above locking wheel, make brake force constant, if car
Wheel continues locking, then opens normally closed output solenoid valve, the brake pressure on this wheel is due to there is straight forward system hydrodynamic oil tank
Pipeline and move down rapidly, it is therefore prevented that because brake force is excessive and by the complete locking of wheel.Allowing on-position all the time in optimal
Point (slip rate S is 20%), braking effect reaches best, and driving is most safe.
Because wheel speed sensor is directly exposed aerial, in vehicle traveling process, vehicle wheel rotational speed sensing
Easily there is the collision of the debris such as the stone to be flown up in device, also, because the impulsive force of sudden foreign matter is larger, wheel can be caused to turn
Operational failure after fast sensor is collided.
Utility model content
The utility model embodiment technical problems to be solved are to provide a kind of vehicle wheel rotational speed detection means and automobile, to
The foreign matter collision for preventing wheel speed sensor from being flown out in vehicle traveling process is realized, ensures the work of wheel speed sensor
Make validity.
In order to solve the above technical problems, the vehicle wheel rotational speed detection means that the utility model embodiment provides, including：
The hub bearing being fixedly connected for the wheel hub with automotive wheel；
The knuckle being rotatably connected with the hub bearing；
Gear ring of the fixed cover on the hub bearing, the outer wall of the gear ring are provided with around the center of the gear ring
The gear teeth that line is set；
The protective plate being fixed on the knuckle, enclosed between the protective plate and the knuckle and set to form an accommodating sky
Between, and the protective plate and the pre-determined distance of gear ring interval first；
The wheel speed sensor for being fixed on the knuckle, being connected for the electronic control unit with automobile, it is described
Wheel speed sensor includes a sensor probe, and the sensor probe is oppositely arranged with the gear ring, and the sensor
Probe and the pre-determined distance of gear ring interval second；
Wherein, the wheel speed sensor is located in the accommodation space, and first pre-determined distance is less than described
Second pre-determined distance.
Preferably, the hub bearing includes：
Bearing block, the bearing block are provided with through hole；
Bearing body, with the bearing block integrally connected, in the inner hole centreline of the bearing body and the through hole
Heart line is located along the same line；
Wherein, the knuckle is rotationally sheathed on the bearing body, and the gear ring fixed cover is located at the axle
Hold on body, and the knuckle is arranged between the bearing block and residing gear ring.
Preferably, it is interference fitted between the gear ring and the hub bearing.
Preferably, the distance between the protective plate and the gear ring are 0.1mm between 1.9mm.
Preferably, the distance between the sensor probe and the gear ring are 0.2mm between 2mm.
Preferably, the protective plate is welded to connect with the knuckle.
Preferably, the protective plate is U-shape structure.
Preferably, the protective plate is made of iron or stainless steel.
According to another aspect of the present utility model, the utility model embodiment additionally provides a kind of automobile, including Automobile
Wheel, the automobile also include above-mentioned vehicle wheel rotational speed detection means, and the wheel hub of the hub bearing and the automotive wheel is fixed
Connection.
Compared with prior art, the vehicle wheel rotational speed detection means and automobile that the utility model embodiment provides, at least have
Following beneficial effect：
Due to the setting of protective plate, in wheel speed sensor is wrapped in by protective plate so that the foreign matter that the external world flies up without
Method directly contacts with wheel speed sensor, and then prevents collision of the foreign matter to wheel speed sensor；Simultaneously as first
Pre-determined distance is less than the second pre-determined distance, and gear ring is in rotation process, if the foreign matter being mixed into gear ring groove is exposed to outside gear ring
Size be more than the first pre-determined distance, can be stopped outside by protective plate, and then sensor probe can be avoided to be ground by foreign matter
The problem of damaging and failing occurs.
Brief description of the drawings
Fig. 1 is the structural representation of the vehicle wheel rotational speed detection means described in the utility model embodiment；
Fig. 2 is the structural representation that the wheel speed sensor described in the utility model embodiment coordinates with gear ring；
Description of reference numerals：1st, hub bearing；2nd, knuckle；3rd, gear ring；4th, protective plate；5th, wheel speed sensor；51、
Sensor probe.
Embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.In the following description, there is provided the specific detail of such as specific configuration and component is only
Only to assist in comprehensive understanding embodiment of the present utility model.Therefore, it will be apparent to those skilled in the art that can be to here
The embodiment of description is made various changes and modifications without departing from the scope of the utility model and spirit.In addition, in order to clear and
Succinctly, the description to known function and construction is eliminated.
It should be understood that " one embodiment " or " embodiment " that specification is mentioned in the whole text mean it is relevant with embodiment
Special characteristic, structure or characteristic are included at least one embodiment of the present utility model.Therefore, go out everywhere in entire disclosure
Existing " in one embodiment " or " in one embodiment " not necessarily refers to identical embodiment.In addition, these are specific special
Sign, structure or characteristic can combine in one or more embodiments in any suitable manner.
Although having been described for the preferred embodiment of the utility model embodiment, those skilled in the art once learn
Basic creative concept, then can make other change and modification to these embodiments.So appended claims are intended to solve
It is interpreted as including preferred embodiment and falls into having altered and changing for the utility model embodiment scope.
Finally, it is to be noted that, herein, such as first and second or the like relational terms be used merely to by
One entity or operation make a distinction with another entity or operation, and not necessarily require or imply these entities or operation
Between any this actual relation or order be present.Moreover, term " comprising ", "comprising" or its any other variant meaning
Covering including for nonexcludability.
Reference picture 1 and Fig. 2, the utility model embodiment provide a kind of vehicle wheel rotational speed detection means, including：
The hub bearing 1 being fixedly connected for the wheel hub with automotive wheel；
The knuckle 2 being rotatably connected with the hub bearing 1；
Gear ring 3 of the fixed cover on the hub bearing 1, the outer wall of the gear ring 3 are provided with around the gear ring 3
The gear teeth that center line is set；
The protective plate 4 being fixed on the knuckle 2, enclosed between the protective plate 4 and the knuckle 2 and set to form an appearance
Between being empty, and the protective plate 4 is spaced the first pre-determined distance with the gear ring 3；
The wheel speed sensor 5 for being fixed on the knuckle 2, being connected for the electronic control unit with automobile, institute
Stating wheel speed sensor 5 includes a sensor probe 51, and the sensor probe 51 is oppositely arranged with the gear ring 3, and institute
State sensor probe 51 and be spaced the second pre-determined distance with the gear ring 3；
Wherein, the wheel speed sensor 5 is located in the accommodation space, and first pre-determined distance is less than described
Second pre-determined distance.
The accommodation space to be formed is set because wheel speed sensor 5 is arranged to enclose between protective plate 4 and knuckle 2, in vapour
During car traveling, the sudden foreign matter in the external world directly can not be contacted directly between wheel speed sensor 5, and then can be ensured
The service life of wheel speed sensor 5 during automobile long run.
The distance between adjacent teeth on gear ring 3 is identical, if the foreign matters such as stone are sticked at the groove location of gear ring 3,
If the length that foreign matter is exposed to outside gear ring 3 is more than the second pre-determined distance, foreign matter will cause to wear to sensor probe 51, and then
Cause the operational failure of sensor probe 51.
Because the first pre-determined distance between protective plate 4 and gear ring 3 is less than second between sensor probe 51 and gear ring 3
Pre-determined distance, if the length that foreign matter is exposed to outside gear ring 3 is more than the first pre-determined distance, the foreign matter will be stopped by protective plate 4,
And then avoid abrasion of the foreign matter to sensor probe 51；If the length that foreign matter is exposed to outside gear ring 3 is less than the first pre-determined distance,
Foreign matter will not be in contact in the rotation process of gear ring 3 between sensor probe 51.
In the utility model embodiment, wheel speed sensor 5 is 4, is separately mounted to the steering of 4 automotive wheels
On section 2.The wheel speed sensor 5 is a kind of device that induced voltage is produced by magnetic flux change.
The operation principle of wheel speed sensor 5 is identical with the operation principle of common alternating current generator.Sensor probe 51
It is a stationary parts, is generally made up of permanent magnet, magnet coil and magnetic pole etc., permanent magnet produces the magnetic of some strength
, when gear ring 3 rotates with wheel, gear teeth tooth peak on gear ring 3 and gear teeth tooth paddy by when cause magnetic field is strong and weak to change, passing
An AC signal is just produced in electromagnetic induction coil on permanent magnet, the frequency of AC signal is directly proportional to wheel velocity, hands over
The amplitude of stream signal changes with the change of wheel speed.
ABS is by identifying that wheel speed sensor 5 sends the frequency of AC signal to determine the rotating speed of wheel, if ABS
It was found that the circumference deceleration of wheel sharply increases, when slip rate reaches 20%, it sends instruction to fluid pressure governor at once, reduces
Or stop the brake force of wheel, in order to avoid wheel lock up.
And further, in the utility model embodiment, the hub bearing 1 includes：
Bearing block, the bearing block are provided with through hole；
Bearing body, with the bearing block integrally connected, in the inner hole centreline of the bearing body and the through hole
Heart line is located along the same line；
Wherein, the knuckle 2 is rotationally sheathed on the bearing body, and the fixed cover of gear ring 3 is located at described
On bearing body, and the knuckle 2 is arranged between the bearing block and residing gear ring 3.
Bearing block is used to be fixedly connected with the wheel hub of automotive wheel, and the power transmission shaft of automobile sequentially passes through the endoporus of bearing body
It is connected with the hub rotation after the through hole of bearing block with automotive wheel.
And further, in the utility model embodiment, it is interference fitted between the gear ring 3 and the hub bearing 1.
In the utility model embodiment, gear ring 3 is fitted on bearing body by external force, is interference fitted due to using,
The firm connection between gear ring 3 and bearing body is realized, while also ensures the unitary rotation of gear ring 3 and bearing body, is entered
And with automotive wheel unitary rotation.
And further, in the utility model embodiment, the distance between the protective plate 4 and described gear ring 3 are
0.1mm is between 1.9mm.
And further, in the utility model embodiment, the distance between the sensor probe 51 and the gear ring 3
It is 0.2mm between 2mm.
The distance between protective plate 4 and gear ring 3 should remain less than between sensor probe 51 and gear ring 3 away from
From, with realize the foreign matter in the groove of gear ring 3 is stopped.
And further, in the utility model embodiment, the protective plate 4 is welded to connect with the knuckle 2.
And further, in the utility model embodiment, the protective plate 4 is U-shape structure.
The protective plate 4 includes the first connecting plate, the second connecting plate being oppositely arranged, and the first connecting plate and the second connecting plate lead to
The connection of the 3rd connecting plate is crossed, the 3rd connecting plate is relative with knuckle 2, and the first connecting plate and the second connecting plate are away from the 3rd connecting plate
Side be welded and fixed respectively between knuckle 2, and, circular sliding slopes between the first connecting plate and the 3rd connecting plate, second connect
Circular sliding slopes between fishplate bar and the 3rd connecting plate.
First connecting plate, the second connecting plate, the 3rd connecting plate and knuckle 2 enclose and set to form foregoing accommodation space.At this
In utility model embodiment, the distance between the 3rd connecting plate and knuckle 2 are more than the width of gear ring 3, and then can prevent different
For thing from being flown into perpendicular to the direction of the 3rd connecting plate in the first area to gear ring 3, the first area is gear ring 3 and accommodating sky
Between relative region.
And further, in the utility model embodiment, the protective plate 4 is made of iron or stainless steel.
Protective plate 4 is made to increase to the service life of protective plate 4 using iron or stainless steel, foreign matter can be withstood
Impulsive force.
The vehicle wheel rotational speed detection means provided by the utility model embodiment, it can realize that extraneous sudden foreign matter is carried out
Stop, prevent wheel speed sensor 5 from the problem of work actual effect occur because foreign matter wears.
According to another aspect of the present utility model, the utility model embodiment additionally provides a kind of automobile, including Automobile
Wheel, the automobile also include above-mentioned vehicle wheel rotational speed detection means, and the wheel hub of the hub bearing 1 and the automotive wheel is fixed
Connection.
In the utility model embodiment, connected between the bearing cap of hub bearing 1 and the wheel hub of automotive wheel by bolt
Connect.
Described above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of principle described in the utility model is not departed from, some improvements and modifications can also be made, these improvement
The scope of protection of the utility model is also should be regarded as with retouching.
Claims (9)
- A kind of 1. vehicle wheel rotational speed detection means, it is characterised in that including：The hub bearing (1) being fixedly connected for the wheel hub with automotive wheel；The knuckle (2) being rotatably connected with the hub bearing (1)；Gear ring (3) of the fixed cover on the hub bearing (1), the outer wall of the gear ring (3), which is provided with, surrounds the gear ring (3) gear teeth that center line is set；The protective plate (4) being fixed on the knuckle (2), encloses between the protective plate (4) and the knuckle (2) and sets to be formed One accommodation space, and the protective plate (4) is spaced the first pre-determined distance with the gear ring (3)；The wheel speed sensor (5) be fixed on the knuckle (2), being connected for the electronic control unit with automobile, institute Stating wheel speed sensor (5) includes a sensor probe (51), and the sensor probe (51) is relative with the gear ring (3) to be set Put, and the sensor probe (51) is spaced the second pre-determined distance with the gear ring (3)；Wherein, the wheel speed sensor (5) is located in the accommodation space, and first pre-determined distance is less than described the Two pre-determined distances.
- 2. vehicle wheel rotational speed detection means according to claim 1, it is characterised in that the hub bearing (1) includes：Bearing block, the bearing block are provided with through hole；Bearing body, with the bearing block integrally connected, the center line of the inner hole centreline of the bearing body and the through hole It is located along the same line；Wherein, the knuckle (2) is rotationally sheathed on the bearing body, and gear ring (3) fixed cover is located at described On bearing body, and the knuckle (2) is arranged between the bearing block and residing gear ring (3).
- 3. vehicle wheel rotational speed detection means according to claim 1, it is characterised in that the gear ring (3) and the hub spindle Hold and be interference fitted between (1).
- 4. vehicle wheel rotational speed detection means according to claim 1, it is characterised in that the protective plate (4) and the gear ring The distance between (3) it is 0.1mm between 1.9mm.
- 5. vehicle wheel rotational speed detection means according to claim 1, it is characterised in that the sensor probe (51) with it is described The distance between gear ring (3) is 0.2mm between 2mm.
- 6. vehicle wheel rotational speed detection means according to claim 1, it is characterised in that the protective plate (4) and the steering Section (2) is welded to connect.
- 7. vehicle wheel rotational speed detection means according to claim 1, it is characterised in that the protective plate (4) is U-shape structure.
- 8. vehicle wheel rotational speed detection means according to claim 1, it is characterised in that the protective plate (4) is using iron or not Rust steel is made.
- 9. a kind of automobile, including automotive wheel, it is characterised in that the automobile is also included described in any one of claim 1 to 8 Vehicle wheel rotational speed detection means, the hub bearing (1) are fixedly connected with the wheel hub of the automotive wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720391082.6U CN206749771U (en) | 2017-04-14 | 2017-04-14 | A kind of vehicle wheel rotational speed detection means and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720391082.6U CN206749771U (en) | 2017-04-14 | 2017-04-14 | A kind of vehicle wheel rotational speed detection means and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206749771U true CN206749771U (en) | 2017-12-15 |
Family
ID=60613886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720391082.6U Expired - Fee Related CN206749771U (en) | 2017-04-14 | 2017-04-14 | A kind of vehicle wheel rotational speed detection means and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206749771U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987076A (en) * | 2017-12-29 | 2019-07-09 | 上海辛贤电子科技有限公司 | ABS wheel speed sensors fixation kit |
| CN111562404A (en) * | 2018-12-13 | 2020-08-21 | 大陆汽车系统公司 | Multi-wheel speed sensor assembly |
-
2017
- 2017-04-14 CN CN201720391082.6U patent/CN206749771U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109987076A (en) * | 2017-12-29 | 2019-07-09 | 上海辛贤电子科技有限公司 | ABS wheel speed sensors fixation kit |
| CN111562404A (en) * | 2018-12-13 | 2020-08-21 | 大陆汽车系统公司 | Multi-wheel speed sensor assembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| FI112634B (en) | Method of generating electrical energy by means of a generator and use of this generator in vehicles fitted with anti-slip systems | |
| CN103946060B9 (en) | Electric vehicle control device | |
| CN206749771U (en) | A kind of vehicle wheel rotational speed detection means and automobile | |
| US20140300175A1 (en) | In-wheel motor drive assembly | |
| CN205027774U (en) | Wheel speed measuring device based on vehicle semi -axis | |
| CN112319233B (en) | Eddy current-magnetorheological fluid composite brake and brake control method thereof | |
| CN2621123Y (en) | Hub bearing unit with ABS sensor | |
| CN105667488B (en) | A kind of automobile wheel speed sensor auxiliary installation device | |
| CN210034234U (en) | Automobile front wheel magneto-rheological brake | |
| CN101633296B (en) | Fixing device of ABS sensor for automobile wheel bearing and bearing unit | |
| JP7048623B2 (en) | Load motor for chassis dynamometer | |
| CN205168613U (en) | Hydraulic drive planetary gear formula safety device when high -speed driving is blown out | |
| CN204398747U (en) | There is the automobile hub unit of ABS function | |
| CN112744285B (en) | Pure electric sanitation vehicle and vehicle steering system | |
| CN209225237U (en) | A kind of 4-wheel Steering Control System and four-wheel steering mechanism | |
| DE102011078807A1 (en) | Lagerverkippungsdetektierungssystem | |
| CN206412855U (en) | Wheel hub motor with encoder | |
| CN205841462U (en) | The axle tube structure of the truck drive shaft with position detecting function | |
| CN203117215U (en) | Speed detecting device, speed detecting system and vehicle | |
| CN206125015U (en) | Electricelectric moves harbour tractor front axle steering mechanism | |
| EP3126848B1 (en) | Speed sensor of a vehicle transmission | |
| CN203864336U (en) | Double-tire drive axle of lateral-fork type forklift | |
| CN104455350A (en) | Novel large-speed-ratio speed reducer assembly | |
| CN204007644U (en) | A kind of mileage of intelligent vehicle and velocity measuring device | |
| CN218440209U (en) | Automobile wheel hub bearing with sensor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171215 Termination date: 20200414 |