CN205256425U - Car power -assisted steering ware and car - Google Patents

Car power -assisted steering ware and car Download PDF

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Publication number
CN205256425U
CN205256425U CN201521008708.8U CN201521008708U CN205256425U CN 205256425 U CN205256425 U CN 205256425U CN 201521008708 U CN201521008708 U CN 201521008708U CN 205256425 U CN205256425 U CN 205256425U
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China
Prior art keywords
axle
bearing
shaft
sensor
connect
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CN201521008708.8U
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Chinese (zh)
Inventor
常天春
谢立稳
张立玲
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BAIC Motor Co Ltd
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BAIC Motor Co Ltd
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Priority to CN201521008708.8U priority Critical patent/CN205256425U/en
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Abstract

The utility model provides a car power -assisted steering ware and car, automobile power -assisted steering ware include the tubular column axle, and the tubular column axle includes first tubular column axle, first to spiale and second to spiale, epaxial first blind hole, the epaxial second blind hole that is provided with of second butt joint of being provided with of first butt joint, torque sensor, including first pivot, second pivot and sensing element, the first axle body part of first pivot in being fixed in first blind hole, the second axle body part of second pivot in being fixed in the second blind hole, being connected with partial the 2nd drive part who is connected of the second axle body of first pivot and a drive part that the first axle body part is connected and second pivot, sensing element places in on the terminal surface that a drive part and the 2nd drive part be connected, worm gear transmission mechanism, including worm, worm wheel and with the worm -wheel shaft of second butt joint hub connection, the control circuit board who is connected with direct current motor and sensing element. The utility model discloses make the overall structure of car power -assisted steering ware stable compact more.

Description

A kind of motor turning booster and automobile
Technical field
The utility model relates to automotive field, especially relates to a kind of motor turning booster and automobile.
Background technology
The steering of automobile has experienced the roughly technology derivation of four-stage: from initial mechanical type steering systemSystem (manualsteeringgear is called for short MS) develops into hydraulic power-assist steering system (HydraulicPowerSteering, is called for short HPS), then there is again Electro-Hydraulic Power Steering System (ElectroHydraulicPowerSteering, is called for short EHPS) and electric boosting steering system (ElectricPowerSteering,Abbreviation EPS).
Wherein, electric boosting steering system relies on motor driving to carry out electronics power-assisted process, and it controls intelligence moreCan be with rationally. In addition, electrical steering booster adopts potentiometer to detect initial rotating of steering wheel more at present,Then start electronics power-assisted. But potentiometer is typical contact absolute type angle transducer, the life-span is shorter,Cause cost higher, and electronics power-assisted is brought inconvenience; In addition, potentiometer is generally arranged on vapour by contactTurn signal collection is carried out on the rotating shaft side of car steering, potentiometer is taken up space larger.
Utility model content
For solve that in existing electric boosting steering system, the potentiometer life-span causes compared with short-range missile to electronics power-assistedThe problem bringing inconvenience and the potentiometer larger problem that takes up room, the utility model provides a kind of automobileSteering booster and automobile.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme:
According to an aspect of the present utility model, a kind of motor turning booster is provided, comprising:
Tubing string axle, described tubing string axle comprises the first tubing string axle of being fixedly connected with vehicle steering, with described theThe first abutment shaft that one tubing string axle concentric connects and with described the first abutment shaft concentric be oppositely arranged theTwo abutment shafts, wherein, are provided with on the end face that described the first abutment shaft and described the second abutment shaft are oppositely arrangedThe first blind hole, is provided with second blind on the end face that described the second abutment shaft and described the first abutment shaft are oppositely arrangedHole;
Torque sensor, described torque sensor comprises the first rotating shaft, the second rotating shaft and sensing element, wherein,Described the first rotating shaft comprises the first axle body part being fixed in described the first blind hole, and the second rotating shaft comprises fixingThe second axle body part in described the second blind hole, being connected with described the first axle body part of described the first rotating shaftSecond transmission being connected with described the second axle body part of the first running part connecing and described the second rotating shaftPart is connected, and described sensing element is placed in described the first running part and is connected with described the second running partEnd face on;
Worm wheel transmission mechanism, described Worm wheel transmission mechanism comprise the worm screw that is connected with the direct current generator of automobile, withThe worm gear of described worm engaging transmission and the worm-wheel shaft being fixedly connected with described the second abutment shaft concentric;
Control circuit board, described control circuit board is connected with described direct current generator and described sensing element respectively.
Optionally, described the first running part comprises that the first disk and the part edge around described the first disk establishThe first bulge-structure of putting; Described the second running part comprises the second disk and the part around described the second diskThe second bulge-structure that edge arranges; Wherein, described the first bulge-structure is relative with described the second bulge-structureClose the hollow cylinder body structure forming around the edge of described the first disk and described the second disk.
Optionally, described the first bulge-structure comprises perpendicular to the first plane of described the first disk and second flatFace, described the second bulge-structure comprises the 3rd plane and Siping City's face perpendicular to described the second disk, described inWhen the first bulge-structure and described the second bulge-structure are involutory, described the first plane and described the 3rd plane phaseLaminating, described the second plane and described Siping City face fit; Wherein, described sensing element comprises the first biographySensor and the second sensor, described first sensor is arranged in described the first plane or described the 3rd plane,Described the second sensor setting is on described the second plane or described Siping City face.
Optionally, described first sensor and described the second sensor are pressure sensor.
Optionally, on the periphery of described the first axle body part, be provided with the first to connect the flat surface, described the second axleOn the periphery that body divides, be provided with the second to connect the flat surface, in described the first blind hole, be provided with and described first pairConnect plane the 3rd fixing to connect the flat surface that matches, in described the second blind hole, be provided with dock with described second flatFace the 4th fixing to connect the flat surface that matches, wherein, the first axle body partial fixing is in described the first blind hole time,Described the first to connect the flat surface and described the 3rd to connect the flat surface are fixed, and the second axle body partial fixing is describedIn two blind holes time, described the second to connect the flat surface and described the 4th to connect the flat surface are fixed.
Optionally, described motor turning booster also comprises an axial support, and described the first axle body part is closeOn the excircle of described the first disk, be provided with clutch shaft bearing, described the second axle body part is near described the second circleOn the excircle of dish, be provided with the second bearing, wherein, the inner ring of described clutch shaft bearing and described the second bearing is equalFor fixing inner ring, the outer ring of described clutch shaft bearing and described the second bearing is rotates outer ring, and described firstThe surface, outer ring of bearing is provided with the first radial struts along outer ring radial direction, the outer ring table of described the second bearingFace is provided with the second radial struts along outer ring radial direction, the end of described the first radial struts and described secondThe end of radial struts is connected with described axial support respectively.
Optionally, described motor turning booster also comprises a housing, and the two ends of described worm screw are separately installed withThe 3rd bearing, the two ends of described worm-wheel shaft are separately installed with the 4th bearing, described the 3rd bearing and the described the 4thBearing is all fixed on described housing.
Optionally, described motor turning booster also comprises a control cabinet, and described control cabinet is by a support peaceBe loaded on described housing, described control cabinet comprises base plate and casing, and wherein, described control circuit board is installed onIn described control cabinet, and the installation being provided with on the lateral wall of described base plate for fixing described control cabinet is propped upEar, on the lateral wall of described casing, be provided with the DC motor power plug-in unit that is connected with described control circuit board,Sensor signal plug-in unit, vehicle body power insert and vehicle body signal plug-in unit.
Optionally, on the lateral wall of the described casing relative with described base plate, be provided with reinforcement.
According to another aspect of the present utility model, the utility model also provides a kind of automobile, described automobileComprise above-described motor turning booster.
The beneficial effects of the utility model are:
The first abutment shaft in the motor turning booster that the utility model provides and the second abutment shaft concentricBe oppositely arranged, and the first blind hole of the first abutment shaft is for the first rotating shaft of assembling torque sensor, secondThe second blind hole of abutment shaft is for the second rotating shaft, the first abutment shaft and second abutment shaft of assembling torque sensorIt is more direct that the structure that concentric is oppositely arranged is transmitted the rotation of torque sensor, also makes automobile simultaneouslyThe overall structure of steering booster is more stable compact, has solved current potential in existing electric boosted rotation systemCount the larger problem that takes up room; In addition, the sensing element in torque sensor is arranged at of the first rotating shaftOn the end face that the second running part of one running part and the second rotating shaft is connected, make torque sensor directIntegrated being assembled between the first abutment shaft and the second abutment shaft, one side makes the body of motor turning boosterLong-pending less compacter, reduce on the other hand the damage situations of sensing element, increase the use of sensing elementLife-span; In addition, Worm wheel transmission mechanism is as turbine and worm decelerator, compact conformation, easy for installation, withSample makes the overall structure of motor turning booster more stable compact.
Brief description of the drawings
Fig. 1 represents the overall structure schematic diagram of motor turning booster in embodiment of the present utility model;
Fig. 2 represents the structural representation of the first running part of the first rotating shaft in embodiment of the present utility model;
Fig. 3 represents the structural representation of the second rotating shaft in embodiment of the present utility model;
Fig. 4 represents the decomposition texture schematic diagram of motor turning booster in embodiment of the present utility model;
Fig. 5 represents the structural representation of control cabinet in embodiment of the present utility model;
The top view of Fig. 6 presentation graphs 5;
The upward view of Fig. 7 presentation graphs 5.
Wherein in figure:
1, tubing string axle; 2, vehicle steering; 3, torque sensor; 4, Worm wheel transmission mechanism; 5, straightStream motor; 6, axial support; 7, control cabinet; 8, support;
11, the first tubing string axle; 12, the first abutment shaft; 13, the second abutment shaft;
31, the first rotating shaft; 32, the second rotating shaft; 33, first sensor; 34, the second sensor; 35,The second to connect the flat surface; 36, the first radial struts; 37, the second radial struts;
41, worm screw; 42, worm gear;
71, base plate; 72, casing;
311, the first disk; 312, the first bulge-structure; 313, clutch shaft bearing;
321, the second disk; 322, the second bulge-structure; 323, the second bearing;
711, journal stirrup is installed;
721, DC motor power plug-in unit; 722, sensor signal plug-in unit; 723, vehicle body power insert;724, vehicle body signal plug-in unit; 725, reinforcement.
Detailed description of the invention
The disclosed exemplary embodiment of the utility model is described below with reference to accompanying drawings in more detail. Although accompanying drawingIn shown the disclosed exemplary embodiment of the utility model, but should be appreciated that can be real with various formsThe embodiment that shows the disclosure and should do not set forth here limits. On the contrary, providing these embodiment is for energyEnough more thoroughly understand the disclosure, and can be by the technology that conveys to this area complete the scope of the present disclosurePersonnel.
As shown in Figure 1, in an embodiment of the present utility model, motor turning booster comprises tubing string axle1, torque sensor 3, Worm wheel transmission mechanism 4 and control circuit board (not shown). Wherein, tubing stringAxle 1 comprise the first tubing string axle 11 of being fixedly connected with vehicle steering 2, with the first tubing string axle 11 concentricsThe first abutment shaft 12 being fixedly connected with and the second abutment shaft 13 being oppositely arranged with the first abutment shaft 12, itsIn, on the end face being oppositely arranged with the second abutment shaft 13 on the first abutment shaft 12, be provided with the first blind hole, theOn the end face being oppositely arranged with the first abutment shaft 12 on two abutment shafts 13, be provided with the second blind hole. Torque sensingDevice 3 comprises the first rotating shaft 31, the second rotating shaft 32 and sensing element, and wherein, the first rotating shaft 31 comprisesOne axis body part and the first running part being connected with the first axle body part, and the first axle body partial fixing existsIn the first blind hole on the first abutment shaft 12; The second rotating shaft 32 comprises the second axle body part and and the second axle bodyThe second running part that part connects, and second blind on the second abutment shaft 13 of the second axle body partial fixingIn hole; The first running part is connected with the second running part, sensing element be arranged at the first running part andOn the end face that the second running part is connected. The first rotating shaft 31 and the second rotating shaft 32 are for transmitting the first dockingRotation between axle 12 and the second abutment shaft 13, sensing element is for turning by the first rotating shaft 31 and secondThe moment of torsion of axle 32 measured automobiles steering wheels 2. The first tubing string axle 11, the first abutment shaft 12 and the second dockingThe concentric setting of axle 13, makes to be fixed on the first rotating shaft in the first blind hole on the first abutment shaft 1231 and the rotation of being fixed between the second rotating shaft 32 in the second blind hole on the second abutment shaft 13 transmit moreAdd directly, thereby make to be arranged at the first running part of the first rotating shaft 31 and the second biography of the second rotating shaft 32Sensing element on the end face that moving part is connected can better gather moment of torsion. In addition torque sensor 3,Directly integrated being assembled between the first abutment shaft 12 and the second abutment shaft 13, makes motor turning boosterStructure compacter and reliable.
Worm wheel transmission mechanism 4 comprises the worm screw 41 and the snail that are connected with the output shaft of the direct current generator 5 of automobileThe worm gear 42 of bar 41 engaged transmission and the worm-wheel shaft being fixedly connected with the second abutment shaft 13 concentrics. SnailWheel drive mechanism is as reducing gear, and worm-wheel shaft is fixedly connected with the second abutment shaft 13 concentrics, makesThe rotation that obtains reducing gear can directly be delivered on the second abutment shaft 13.
Control circuit board is connected with the sensing element of direct current generator 5 and torque sensor 3 respectively. Directly motor5 and sensing element be connected on control circuit board, make motor turning booster can pass through control circuit boardControl the work of direct current generator and sensing element. Preferably, control circuit board can also with the car of automobileBody power supply connects, and control circuit board can use vehicle body power supply to power.
For the structure of above steering booster, the operation principle of steering booster is said as follows belowBright.
In the present embodiment, in the time that vehicle steering 2 rotates, vehicle steering 2 drives and automobile sideRotate to dish 2 the first tubing string axles 11 that are fixedly connected with, the first tubing string axle 11 drives and the first tubing string axle11 the first abutment shafts 12 that are fixedly connected with rotate. Due to the first rotating shaft 31 of torque sensor 3In the blind hole of the first axle body partial fixing in the first abutment shaft 12, therefore the first abutment shaft 12 rotates and drivesThe first axle body part of the first rotating shaft 31 is rotated, thus the first running part being connected with the first axle body partRotate. Because the first running part is connected with the second running part of the second rotating shaft 32, therefore the first transmissionPart is rotated and is driven the second running part to rotate, and in this process, is arranged at the first running part and secondSensing element on the end face that running part is connected gathers moment of torsion, and by the transfer of data gathering to inductionOn the control circuit board that element connects, thus the rotation of detection vehicle steering. In addition, due to the second axle bodyPartial fixing is connected in the second blind hole of the second abutment shaft 13, and therefore the second rotating shaft 32 is rotated and driven secondAbutment shaft 13 rotates. In addition, the worm screw 41 of Worm wheel transmission mechanism 4 is connected with the output shaft of direct motor 5,Be that direct motor 5 drives worm screw 41 to rotate, thereby worm screw 41 is rotated the worm gear that drive is engaged with worm screw 4142 rotate, and worm gear 42 rotates and drives worm-wheel shaft to rotate, again because worm-wheel shaft is coaxial with the second abutment shaft 13The heart is fixedly connected with, and therefore worm-wheel shaft and the second abutment shaft 13 produce interlock, realize vehicle steering 2 with thisRotation.
In the present embodiment, the structure that the first abutment shaft and the second abutment shaft concentric are oppositely arranged makes moment of torsionThe rotation of sensor is transmitted more direct, also makes the overall structure of motor turning booster more stable simultaneouslyCompactness, has solved in existing electric boosted rotation system the potentiometer larger problem that takes up room; In addition,Torque sensor is integrated being assembled between the first abutment shaft and the second abutment shaft directly, makes on the one hand automobileThe volume of steering booster is less compacter, has reduced on the other hand the damage situations of sensing element, has increasedThe service life of sensing element; In addition, Worm wheel transmission mechanism is as turbine and worm decelerator, compact conformation,Easy for installation, make equally the overall structure of motor turning booster more stable compact.
As shown in Figures 2 and 3, the first running part of the first rotating shaft comprises the first disk 311 and around firstThe first bulge-structure 312 that the part edge of disk 311 arranges; The second running part of the second rotating shaft comprisesThe second disk 321 and the second bulge-structure 322 arranging around the part edge of the second disk 321. Wherein,The first bulge-structure 312 and the second bulge-structure 322 are involutory and form around the first disk 311 and the second circleThe hollow cylinder structure at the edge of dish 321. Preferably, the first bulge-structure 312 and the second bulge-structure322 can be semicircle boss.
In addition, sensing element can comprise first sensor 33 and the second sensor 34. The first bulge-structure312 comprise the first plane and the second plane perpendicular to the first disk 311, and the second bulge-structure 322 comprisesPerpendicular to the 3rd plane and Siping City's face of the second disk 321, when the first bulge-structure 312 and the second projectionWhen structure 322 is involutory, the first plane and the 3rd plane fit, and the second plane and Siping City's face fit,And first sensor 33 can be arranged at the first plane or the second projection knot of the first bulge-structure 312In the 3rd plane of structure 322, the second sensor 34 can be arranged at the second flat of the second bulge-structure 312On Siping City's face of face or the second bulge-structure 322. Concrete, first sensor 33 and the second sensor34 are all connected on control circuit board.
In the present embodiment, in the power of vehicle steering steering transmits, first sensor and secondThe surperficial extruding that sensor can be involutory by the first bulge-structure and the second bulge-structure obtains to be turned roundSquare. In addition, first sensor and the second sensor setting, in different planes, make torque sensor energyThe direction of enough point-device judgement moments of torsion, judges that moment of torsion is as positive direction moment of torsion or opposite direction moment of torsion.
Optionally, first sensor 33 and the second sensor 34 can be pressure sensor. Pressure sensor passesPass pressure information comparatively reliable, and the life-span of pressure sensor is longer, makes the vehicle steering steering canWith need not be frequently emat sensor more, saved cost.
Referring to Fig. 3, in another embodiment of the present utility model, the first axle body part of the first rotating shaftOn periphery, be provided with the first to connect the flat surface (not shown), the circle of the second axle body part of the second rotating shaftOn side face, be provided with the second to connect the flat surface 35, corresponding, in the first blind hole of the first abutment shaft, be provided withThe 3rd to connect the flat surface that the first to connect the flat surface matches, is provided with and second in the second blind hole of the second abutment shaftThe 4th to connect the flat surface that to connect the flat surface 35 matches, wherein, the first axle body partial fixing is in the first blind holeTime, the first to connect the flat surface and the 3rd to connect the flat surface are fixed, and the second axle body partial fixing is in the second blind holeTime, the second to connect the flat surface 35 and the 4th to connect the flat surface are fixed. Concrete, the first to connect the flat surface and theThe shape of two to connect the flat surfaces can be the shape of a hoof.
In the present embodiment, the first to connect the flat surface and the second to connect the flat surface be arranged so that the first abutment shaft andRotation between rotation between one rotating shaft and the second abutment shaft and the second rotating shaft is safer.
Referring to Fig. 4, in another embodiment of the present utility model, motor turning booster also comprises an axleTo support, on the excircle of the first axle body part of the first rotating shaft 31 near the first disk 311, be provided withOn the excircle of the second axle body part of one bearing 313, the second rotating shafts 32 near the second disk 321, arrangeHave the second bearing 323, wherein, the inner ring of clutch shaft bearing 313 and the second bearing 323 is fixing inner ring,The outer ring of clutch shaft bearing 313 and the second bearing 323 is rotates outer ring, and the outer ring of clutch shaft bearing 313 tableThe surface, outer ring that face is provided with the first radial struts 36, the second bearings 323 along outer ring radial direction is along outer ringRadial direction is provided with the second radial struts 37, and radially prop up the end of the first radial struts 36 and secondThe end of frame 37 is connected with axial support 6 respectively.
In the present embodiment, the first radial struts, the second radial struts and axial support can will be turned round reliablySquare sensor carries out spacing, loosening to prevent that torque sensor from occurring.
Continue referring to Fig. 4, in another embodiment of the present utility model, motor turning booster also comprisesOne housing (not shown), the two ends of the worm screw 41 in Worm wheel transmission mechanism 4 are separately installed with the 3rd axleHold, the two ends of worm-wheel shaft are separately installed with the 4th bearing, and the 3rd bearing and the 4th bearing are all fixed on housing.Preferably, direct current generator 5 is fixed on housing equally.
In the present embodiment, Worm wheel transmission mechanism, as reducing gear,, makes as basis is installed by housingThe structure that obtains Worm wheel transmission mechanism is compacter.
Continue referring to Fig. 4~Fig. 7, in another embodiment of the present utility model, motor turning booster alsoComprise a control cabinet 7, control cabinet 7 is installed in housing (not shown) by support 8, control cabinet7 comprise base plate 71 and casing 72. Wherein, control circuit board is installed in control cabinet 7, outside base plate 71On sidewall, be provided with journal stirrup 711 is installed, journal stirrup 711 is installed for fixing control cabinet 7, the outside of casing 72On wall, be provided with DC motor power plug-in unit 721, biography for being connected with the control circuit board in control cabinet 7Sensor signal plug-in unit 722, vehicle body power insert 723 and vehicle body signal plug-in unit 724.
Preferably, journal stirrup being installed can be arranged on two relative sides of base plate, to increase fixing jailSolidity. In addition, in order to make the joint location compact and reasonable more of plug-in unit, reduce the overall dimensions of control cabinet,Can, by DC motor power plug-in unit and sensor signal plug-in unit integrated injection molding, be arranged on first of casingOn sidewall, by vehicle body power insert and vehicle body signal plug-in unit integrated injection molding, be arranged on casing with firstOn relative the second sidewall of sidewall. In addition, can also be by DC motor power plug-in unit and sensor signal plug-in unitSetting party to being set to different directions, by the setting party of vehicle body power insert and vehicle body signal plug-in unit to establishingBe set to different directions, for example setting party is to perpendicular. In addition, for the convenience that ensures that plug-in unit uses,Height that can also casing is set to the height at the first side wall place lower than the height of the second side-walls.
In the present embodiment, DC motor power plug-in unit can be used for realizing direct current generator and control circuit boardConnect, sensor signal plug-in unit can be used for realizing being connected of sensor and control circuit board, vehicle body power plugPart can be used for realizing being connected of vehicle body power supply and control circuit board, and vehicle body signal plug-in unit can be used for realizing carBody holding wire is connected with control circuit board, and DC motor power plug-in unit, sensor signal plug-in unit, carBody power insert and vehicle body signal plug-in unit are all arranged on the lateral wall of control cabinet, make direct current generator, sensingDevice and vehicle body power supply are more convenient with being connected of control circuit board in control cabinet.
Referring to Fig. 5, in another embodiment of the present utility model, at the case relative with base plate of control cabinetOn the lateral wall of body, be provided with a reinforcement 725. Preferably, reinforcement 725 can rushing for rectangular ringPress reinforcement. The setting of reinforcement, has increased intensity and the fastness of control cabinet.
According to another aspect of the present utility model, a kind of automobile is also provided, this automobile comprises above-mentioned vapourCar steering booster.
The above is preferred embodiment of the present utility model, it should be pointed out that general for the artLogical technical staff, not departing under the prerequisite of principle described in the utility model, can also make some changingEnter and retouch, these improvements and modifications also should be considered as protection domain of the present utility model.

Claims (10)

1. a motor turning booster, is characterized in that, comprising:
Tubing string axle (1), described tubing string axle (1) comprises the first pipe being fixedly connected with vehicle steering (2)Axis of a cylinder (11), the first abutment shaft (12) being connected with described the first tubing string axle (11) concentric and with instituteState the second abutment shaft (13) that the first abutment shaft (12) concentric is oppositely arranged, wherein, described first pairOn the end face that spindle (12) and described the second abutment shaft (13) are oppositely arranged, be provided with the first blind hole, described inOn the end face that the second abutment shaft (13) and described the first abutment shaft (12) are oppositely arranged, be provided with the second blind hole;
Torque sensor (3), described torque sensor (3) comprises the first rotating shaft (31), the second rotating shaft (32)And sensing element, wherein, described the first rotating shaft (31) comprises the first axle being fixed in described the first blind holeBody divides, and the second rotating shaft (32) comprises the second axle body part being fixed in described the second blind hole, and describedThe first running part being connected with described the first axle body part and described second rotating shaft of one rotating shaft (31)(32) the second running part being connected with described the second axle body part is connected, and described sensing element is putOn the end face being connected with described the second running part in described the first running part;
Worm wheel transmission mechanism (4), described Worm wheel transmission mechanism (4) comprises the direct current generator (5) with automobileThe worm screw (41) that connects, with the worm gear (42) of described worm screw (41) engaged transmission and with described second pairThe worm-wheel shaft that spindle (13) concentric is fixedly connected with;
Control circuit board, described control circuit board respectively with described direct current generator (5) and described sensing elementConnect.
2. motor turning booster according to claim 1, is characterized in that, described the first transmissionPart comprise the first disk (311) and arrange around the part edge of described the first disk (311) first protrudingPlay structure (312); Described the second running part comprises the second disk (321) and around described the second disk (321)Part edge arrange the second bulge-structure (322); Wherein, described the first bulge-structure (312) andDescribed the second bulge-structure (322) is involutory and forms around described the first disk (311) and described the second circleThe hollow cylinder body structure at the edge of dish (321).
3. motor turning booster according to claim 2, is characterized in that, described the first projectionStructure (312) comprises perpendicular to the first plane of described the first disk (311) and the second plane, describedTwo bulge-structures (322) comprise the 3rd plane and Siping City's face perpendicular to described the second disk (321),When described the first bulge-structure (312) and described the second bulge-structure (322) are involutory, described first flatFace and described the 3rd plane fit, and described the second plane and described Siping City face fit; Wherein, described inSensing element comprises first sensor (33) and the second sensor (34), described first sensor (33)Be arranged in described the first plane or described the 3rd plane, described the second sensor (34) is arranged at describedOn two planes or described Siping City face.
4. motor turning booster according to claim 3, is characterized in that, described the first sensingDevice (33) and described the second sensor (34) are pressure sensor.
5. motor turning booster according to claim 1, is characterized in that, described the first axle bodyOn the periphery of part, be provided with the first to connect the flat surface, on the periphery of described the second axle body part, be provided with theTwo to connect the flat surfaces (35), are provided with in described the first blind hole and match fixing with described the first to connect the flat surfaceThe 3rd to connect the flat surface, is provided with in described the second blind hole and matches fixing with described the second to connect the flat surface (35)The 4th to connect the flat surface, wherein, the first axle body partial fixing is in described the first blind hole time, described first pairConnect plane and described the 3rd to connect the flat surface is fixed, the second axle body partial fixing is in described the second blind holeTime, described the second to connect the flat surface (35) and described the 4th to connect the flat surface are fixed.
6. motor turning booster according to claim 2, is characterized in that, described motor turningBooster also comprises an axial support (6), and described the first axle body part is near described the first disk (311)Excircle on be provided with clutch shaft bearing (313), described the second axle body part is near described the second disk (321)Excircle on be provided with the second bearing (323), wherein, described clutch shaft bearing (313) and described secondThe inner ring of bearing (323) is fixing inner ring, described clutch shaft bearing (313) and described the second bearing (323)Outer ring be and rotate outer ring, and establish along outer ring radial direction on the surface, outer ring of described clutch shaft bearing (313)Be equipped with the first radial struts (36), establish along outer ring radial direction on the surface, outer ring of described the second bearing (323)Be equipped with the second radial struts (37), radially prop up the end of described the first radial struts (36) and described secondThe end of frame (37) is connected with described axial support (6) respectively.
7. motor turning booster according to claim 1, is characterized in that, described motor turningBooster also comprises a housing, and the two ends of described worm screw (41) are separately installed with the 3rd bearing, described worm gearThe two ends of axle are separately installed with the 4th bearing, and described the 3rd bearing and described the 4th bearing are all fixed on described shellOn body.
8. motor turning booster according to claim 7, is characterized in that, described motor turningBooster also comprises a control cabinet (7), and described control cabinet (7) is installed on described shell by a support (8)On body, described control cabinet (7) comprises base plate (71) and casing (72), wherein, and described control circuit boardBe installed in described control cabinet (7), and on the lateral wall of described base plate (71), be provided with for fixing instituteThe installation journal stirrup (711) of stating control cabinet (7), is provided with described on the lateral wall of described casing (72)DC motor power plug-in unit (721), sensor signal plug-in unit (722), vehicle body electricity that control circuit board connectsSource plug-in unit (723) and vehicle body signal plug-in unit (724).
9. motor turning booster according to claim 8, is characterized in that, with described base plate (71)On the lateral wall of relative described casing (72), be provided with reinforcement (725).
10. an automobile, is characterized in that, described automobile comprises as described in claim 1~9 any oneMotor turning booster.
CN201521008708.8U 2015-12-08 2015-12-08 Car power -assisted steering ware and car Active CN205256425U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201521008708.8U CN205256425U (en) 2015-12-08 2015-12-08 Car power -assisted steering ware and car

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201521008708.8U CN205256425U (en) 2015-12-08 2015-12-08 Car power -assisted steering ware and car

Publications (1)

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CN205256425U true CN205256425U (en) 2016-05-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111186260A (en) * 2020-01-08 2020-05-22 德州职业技术学院(德州市技师学院) Front axle steering structure of heavy-duty car

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111186260A (en) * 2020-01-08 2020-05-22 德州职业技术学院(德州市技师学院) Front axle steering structure of heavy-duty car

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