CN210191579U - Electric power steering system for light commercial vehicle - Google Patents
Electric power steering system for light commercial vehicle Download PDFInfo
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- CN210191579U CN210191579U CN201920582858.1U CN201920582858U CN210191579U CN 210191579 U CN210191579 U CN 210191579U CN 201920582858 U CN201920582858 U CN 201920582858U CN 210191579 U CN210191579 U CN 210191579U
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Abstract
The utility model discloses an electric power steering system for light-duty commercial vehicle, including steering gear casing, steering gear, helping hand gear and the mobilizable rack that sets up in the steering gear casing, the rack including tooth section and non-tooth section, have the tooth section be equipped with the helping hand gear with steering gear meshes mutually and a plurality of rack teeth for continuous distribution. The utility model discloses an electric power steering system for light-duty commercial vehicle, through setting up the toothed section meshing of two gears and rack, simple structure is compact, and whole car arranges conveniently, can provide the required power assisted steering of light-duty commercial vehicle for it is light to turn to, improves and turns to the operation travelling comfort; and hydraulic oil is not needed, so that the environmental pollution is reduced.
Description
Technical Field
The utility model belongs to the technical field of vehicle steering system, specifically speaking, the utility model relates to an electric power steering system for light-duty commercial vehicle.
Background
The existing steering system of the light commercial vehicle is basically a hydraulic power-assisted steering system or an electric hydraulic power-assisted steering system, the oil passages of the two steering systems are difficult to arrange and install, the later maintenance cost is high, hydraulic oil is required to be used, and certain environmental pollution can be caused. In addition, the two hydraulic steering systems cannot meet the steering function requirements of light commercial vehicles for auxiliary driving or automatic driving.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides an electric power steering system for light-duty commercial car, the purpose can provide the required power assisted steering of light-duty commercial car.
In order to realize the purpose, the utility model discloses the technical scheme who takes does: the electric power-assisted steering system for the light commercial vehicle comprises a steering gear shell, a steering gear, a power-assisted gear and a movable rack arranged in the steering gear shell, wherein the rack comprises a toothed section and a non-toothed section, and the toothed section is provided with a plurality of rack teeth which are meshed with the power-assisted gear and the steering gear and are continuously distributed.
The steering gear and the power-assisted gear are both helical gears, and the tooth profiles of the steering gear and the power-assisted gear are opposite in rotation direction and the same in helical angle.
The rotation directions of the steering gear and the power-assisted gear when the rack is driven to move are consistent.
The electric power-assisted steering system for the light commercial vehicle further comprises a power-assisted motor and a speed reducing mechanism connected with the power-assisted motor, wherein the speed reducing mechanism comprises a worm wheel and a worm which are meshed with each other, the worm wheel is sleeved on the power-assisted gear, and the worm wheel and the power-assisted gear rotate synchronously.
The power-assisted gear comprises a gear body meshed with the rack and a shaft body connected with the gear body, the worm gear is sleeved on the shaft body, and the worm gear is in interference fit with the shaft body.
The power-assisted gear further comprises a shaft shoulder connected with the shaft body and a flange connected with the shaft shoulder, a supporting bearing is sleeved on the shaft shoulder, and the supporting bearing is located between the worm gear and the flange.
The electric power steering system for the light commercial vehicle further comprises a cover plate arranged on the steering gear shell and an end cover arranged on the cover plate and used for achieving axial fixation of the supporting bearing, wherein the supporting bearing is positioned in the cover plate and is in clearance fit with the cover plate.
The cover plate is provided with a first limiting surface attached to the first end face of the outer ring of the supporting bearing and a second limiting surface attached to the end face of the end cover, and the second end face of the outer ring of the supporting bearing is attached to the end face of the end cover.
The electric power steering system for the light commercial vehicle further comprises an elastic bushing arranged on the steering gear shell, the steering gear shell is provided with a mounting hole for accommodating the elastic bushing, and the elastic bushing and the steering gear shell are in interference fit.
The elastic bushing comprises an outer sleeve, an inner sleeve and a rubber piece which is arranged between the outer sleeve and the inner sleeve and is bonded with the outer sleeve and the inner sleeve.
The utility model discloses an electric power steering system for light-duty commercial vehicle, through setting up the toothed section meshing of two gears and rack, simple structure is compact, and whole car arranges conveniently, can provide the required power assisted steering of light-duty commercial vehicle for it is light to turn to, improves and turns to the operation travelling comfort; and hydraulic oil is not needed, a hydraulic oil path is not needed, the oil leakage problem is avoided, and the environmental pollution is reduced.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic view of the internal structure of an electric power steering system for a light commercial vehicle according to the present invention;
FIG. 2 is a schematic structural view of an electric power steering system for a light commercial vehicle according to the present invention;
FIG. 3 is a schematic view of the connection between the electric power steering system and the steering wheel for a light commercial vehicle according to the present invention;
FIG. 4 is a schematic view of the steering gear and power gear meshing with the rack;
FIG. 5 is a schematic view of the assembly of the power assist gear with the worm gear and bearing;
FIG. 6 is a cross-sectional view of the cover plate and end cap in engagement with the bearing;
FIG. 7 is a cross-sectional view of the cover plate;
FIG. 8 is a cross-sectional view of the elastomeric bushing;
labeled as: 1. an Electronic Control Unit (ECU); 2. a steering tie rod; 3. a steering gear; 4. a power-assisted gear; 401. a gear body; 402. a shaft body; 403. a flange; 404. a shaft shoulder; 5. a rack; 501. a toothless segment; 502. rack teeth; 6. a steering housing; 7. a cover plate; 701. a large-diameter hole; 702. a bore hole; 703. A small-diameter hole; 704. a first limiting surface; 705. a second limiting surface; 8. an elastic bushing; 801. an outer sleeve; 802. an inner sleeve; 803. a rubber member; 9. an end cap; 10. an input shaft; 11. a booster motor; 12. a worm gear; 13. a worm; 14. a steering wheel; 15. a support bearing; 16. and (4) bolts.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.
It should be noted that, in the following embodiments, the terms "first", "second" and "third" do not denote absolute differences in structure and/or function, nor do they denote a sequential order of execution, but rather are used for convenience of description.
As shown in fig. 1 to 8, the utility model provides an electric power steering system for light commercial vehicle, including input shaft 10, steering gear housing 6, steering gear 3, power gear 4 and mobilizable rack 5 that sets up in steering gear housing 6, rack 5 is including toothed segment and no toothed segment 501, and the toothed segment is equipped with and meshes and a plurality of rack teeth 502 for the continuous distribution with power gear 4 and steering gear 3 mutually.
Specifically, as shown in fig. 1 to 4, the rack 5 is movably disposed in an inner cavity of the steering housing 6, the steering housing 6 has a structure with both ends open and the inside is hollow, the inner cavity of the steering housing 6 is a circular cavity, the inner cavity of the steering housing 6 extends from one end of the steering housing 6 to the other end along the length direction of the steering housing 6, and the diameter of the rack 5 is smaller than that of the inner cavity. Steering gear 3 and helping hand gear 4 are rotatable setting up in the inside of steering gear casing 6 and steering gear 3 and helping hand gear 4 lie in same one side of rack 5, steering gear 3 and input shaft 10 fixed connection and both are coaxial setting, steering gear 3 and input shaft 10 synchronous revolution, input shaft 10 passes through the steering column and is connected with the steering wheel with the jackshaft, the driver exerts the steering power on the steering wheel and transmits to input shaft 10 through steering column and jackshaft on, drive steering gear 3 by input shaft 10 again and rotate, and then drive rack 5 and remove, and then realize the turning to of vehicle.
As shown in fig. 1 to 4, the steering gear 3 and the power assisting gear 4 are both helical gears, and the tooth shapes of the steering gear 3 and the power assisting gear 4 have opposite rotation directions and the helical angles are the same. The rack 5 is provided with one toothed section with a certain length, all the rack teeth 502 are sequentially arranged along the length direction of the toothed section and are distributed at equal intervals, and the rack teeth 502 are used for being embedded into tooth grooves between two adjacent gear teeth of the power-assisted gear 4 and the steering gear 3. The non-toothed section 501 of the rack is provided with two non-toothed sections, the toothed sections are located between the two non-toothed sections 501, the non-toothed sections 501 are not provided with rack teeth 502, the non-toothed sections 501 are cylinders with certain length, the two non-toothed sections 501 are coaxially arranged, and the steering gear 3 and the power-assisted gear 4 are also located between the two non-toothed sections 501.
As shown in fig. 1 to 4, in the present embodiment, the steering gear 3 and the assist gear 4 have the same module, the tooth profile of the steering gear 3 is a left-hand tooth profile, and the tooth profile of the assist gear 4 is a right-hand tooth profile. Rack teeth 502 are straight and have no helix angle. When the gear rack works, as the tooth form of the gear rack is a right angle, no radial acting force is exerted on the gear rack; moreover, the rotation directions of the steering gear 3 and the power-assisted gear 4 when the rack is driven to move are consistent, that is, when the rack moves linearly along the axial direction, the rotation directions of the steering gear 3 and the power-assisted gear 4 are the same, the tooth-shaped rotation directions of the steering gear 3 and the power-assisted gear 4 are opposite, and the force output by the rack in the axial direction can be ensured to be very stable. The steering gear 3 and the power-assisted gear 4 are arranged to be meshed with the rack on the same section of tooth form, so that the whole structure of the steering system is more compact, the whole length of the steering system is reduced, the cost is reduced, and the installation and the arrangement on a light commercial vehicle are facilitated.
As shown in fig. 1 to 3, the steering gear 3 and the power assisting gear 4 respectively realize a steering function and a power assisting function, the utility model discloses an electric power steering system for light commercial vehicle still includes the power assisting motor 11 and the reduction gears connected with the power assisting motor 11, the reduction gears is connected with the power assisting motor 11 and the power assisting gear 4, the reduction gears is used for transmitting the revolving force that the power assisting motor 11 produced to the power assisting gear 4, the power assisting gear 4 drives the rack and is reciprocating linear motion along the axial direction (also the length direction of the steering housing 6) in the steering housing 6, the power assisting gear 4 is located the inside of the steering housing 6, the power assisting motor 11 is located the outside of the steering housing 6. The speed reducing mechanism comprises a worm wheel 12 and a worm 13 which are meshed with each other, the worm wheel 12 is sleeved on the power-assisted gear 4, the worm wheel 12 and the power-assisted gear 4 rotate synchronously, the worm 13 is rotatably arranged in the steering gear shell 6, the worm 13 is fixedly connected with a motor shaft of the power-assisted motor 11, the worm wheel 12 is positioned in the steering gear shell 6, and the power-assisted gear 4 and the worm wheel 12 are coaxially arranged. When a driver operates a steering wheel to steer a vehicle, a rack is driven by a steering gear 3 to perform linear movement, meanwhile, a power-assisted motor 11 drives a power-assisted gear 4 to rotate through a speed reducing mechanism, then the rack is driven by the power-assisted gear 4 to perform linear movement, the rack performs linear movement, wheels are pushed by a steering pull rod 2 to steer, the steering gear 3 and the power-assisted gear 4 rotate in the same direction, therefore, the rack obtains driving torque from two gears, the power-assisted motor 11 provides steering assistance, the steering operation of the driver is lighter, and the comfort of the steering operation is improved.
As shown in fig. 1 to 3 and 5, the power assisting gear 4 includes a gear body 401 engaged with the rack, a shaft body 402 connected to the gear body 401, a shoulder 404 connected to the shaft body 402, and a flange 403 connected to the shoulder 404, the worm gear 12 is sleeved on the shaft body 402, and the worm gear 12 is in interference fit with the shaft body 402. The shoulder 404 is sleeved with a support bearing 15, and the support bearing 15 is located between the worm wheel 12 and the flange 403. The gear body 401 is a part meshed with rack teeth 502 of a toothed section of a rack on the power-assisted gear 4, the gear body 401 is a spiral gear, the flange 403, the shoulder 404 and the shaft body 402 are cylinders, the shaft body 402 is coaxially arranged with the shoulder 404, the flange 403 and the gear body 401, the diameter of the shaft body 402 is larger than that of the gear body 401, the diameter of the shaft body 402 is smaller than that of the shoulder 404 and that of the flange 403, the diameter of the shoulder 404 is smaller than that of the flange 403, one end of the shaft body 402 is fixedly connected with the gear body 401, the other end of the shaft body 402 is fixedly connected with one end of the shoulder 404, and the other end of the shoulder 404 is fixedly connected with the flange 403.
As shown in fig. 1 to 3 and 5 to 7, the electric power steering system for light commercial vehicle of the present invention further includes a cover plate 7 disposed on the steering gear housing 6 and an end cover 9 disposed on the cover plate 7 and used for axially fixing the support bearing 15, wherein the support bearing 15 is disposed inside the cover plate 7 and the support bearing 15 is in clearance fit with the cover plate 7. The steering gear housing 6 is provided with a containing cavity for containing the power-assisted gear 4 and the worm wheel 12, an opening is formed on the outer surface of the steering gear housing 6, the cover plate 7 is arranged at the opening, the cover plate 7 is used for sealing the opening, and the cover plate 7 is detachably connected with the steering gear housing 6. Support bearing 15 is ball bearing, and support bearing 15 and worm wheel 12 are interference fit with helping hand gear 4, and support bearing 15's inner circle cover is located on the shaft shoulder 404, and on axle body 402 was located to worm wheel 12 cover, the both ends terminal surface of support bearing 15's inner circle was laminated with worm wheel 12 and flange 403 respectively, need not to set up on the helping hand gear 4 like this and uses the retaining ring to carry out axial positioning to worm wheel 12 and support bearing 15. If a retainer ring groove is processed on the power-assisted gear 4 for installing a retainer ring, stress concentration can be formed at the bottom of the retainer ring groove, and the power-assisted gear 4 can be damaged when the output torque of the power-assisted gear 4 is larger. If the retainer ring is used for axial positioning on the power-assisted gear 4, the clearance of axial movement of the power-assisted pinion cannot be completely eliminated due to the problem of machining precision of the retainer ring groove, so that transmitted torque fluctuates and even abnormal sound occurs.
In the present invention, in order to eliminate the above two problems, the mounting position of the support bearing 15 is set between the flange 403 of the power gear 4 and the worm wheel 12, and the flange 403 and the shoulder 404 of the power gear 4 are directly pressed flat with the end surface of the inner ring of the support bearing 15 and the end surface of the worm wheel 12, respectively, during assembly. Because the axial pressing force applied when the worm wheel 12 is in interference fit with the power-assisted gear 4 is far larger than the axial force generated when the power-assisted gear 4 is meshed with the rack, the power-assisted gear 4 and the worm wheel 12 are firmly fixed, the power-assisted gear 4 cannot move axially, and the reliability is better. And the booster gear 4 does not use a retainer ring to axially position the worm wheel 12 and the bearing, so that the cost of a retainer ring part is saved, the machining cost of a retainer ring groove is also saved, the assembling process is simple, and the assembling cost is also reduced.
As shown in fig. 1 and 2, the cover plate 7 is attached to the steering housing 6 by a plurality of bolts 16, and is easily attached and detached, and the cover plate 7 has through holes through which the bolts 16 are inserted, and the steering housing 6 has female screw holes through which the bolts 16 are inserted.
As shown in fig. 5 to 7, the cover plate 7 is a circular ring structure, the support bearing 15 and the flange 403 are located in a central hole of the cover plate 7, the cover plate 7 and the power assisting gear 4 are coaxially arranged, the end cover 9 is mounted on the cover plate 7, the end cover 9 is used for closing a circular opening formed on the end face of the cover plate 7 by the central hole of the cover plate 7, the end cover 9 is inserted into the central hole of the cover plate 7, and the central hole of the cover plate 7 is a circular hole located at the center of the cover plate 7. The cover plate 7 has a first limit surface 704 attached to the first end surface of the outer ring of the support bearing 15 and a second limit surface 705 attached to the end surface of the end cover 9, the second end surface of the outer ring of the support bearing 15 is attached to the end surface of the end cover 9, and the end surface of the end cover 9 is attached to the second limit surface 705. The center hole of the cover plate 7 includes a large-diameter hole 701, a medium-diameter hole 702 and a small-diameter hole 703 that are sequentially arranged and communicated in the axial direction, the large-diameter hole 701, the medium-diameter hole 702 and the small-diameter hole 703 are circular holes, the diameters of the large-diameter hole 701, the medium-diameter hole 702 and the small-diameter hole 703 are sequentially reduced, the diameter of the large-diameter hole 701 is the diameter of the medium-diameter hole 702, the diameter of the medium-diameter hole 702 is larger than the diameter of the small-diameter hole 703, the medium-diameter hole 702 is located between the large-diameter hole 701 and the small-diameter hole 703, the small-diameter hole 703 is located between the worm wheel 12 and the medium-diameter hole 702, the support bearing 15 is located in the medium-. The first limiting surface 704 is a step surface formed between the small-diameter hole 703 and the medium-diameter hole 702, the second limiting surface 705 is a step surface formed between the medium-diameter hole 702 and the large-diameter hole 701, the first limiting surface 704 and the second limiting surface 705 are both circular planes, a first end surface and a second end surface of an outer ring of the support bearing 15 are end surfaces of two opposite ends of the outer ring, the second end surface of the outer ring is attached to an end surface of an end portion, inserted into the large-diameter hole 701, of the end cover 9, the end cover 9 compresses the support bearing 15, and axial positioning of the support bearing 15 is achieved through matching of the end cover 9 and the cover plate 7.
As shown in fig. 5 to 7, the support bearing 15 is in clearance fit with the cover plate 7, and during assembly, the end cover 9 is mounted on the cover plate 7 through another two bolts, and the end cover 9 and the cover plate 7 form detachable connection, so that the assembly and disassembly are convenient. The end face of the end cap 9 is fitted to an end face of the outer ring of the support bearing 15, so that the support bearing 15 is axially fixed. The support bearing 15 is in clearance fit with the cover plate 7, and the end cover 9 is in clearance fit with the cover plate 7, so that the assembly is convenient. The end cover 9 adopts a mode of pressing by two bolts, and is simple and reliable. The first end face of the outer ring of the support bearing 15 is attached to the first limit face 704 of the cover plate 7, and the end face of one end of the inner ring of the support bearing 15 is attached to the end face of the worm wheel 12, so that the tolerance of the thickness of the support bearing 15 is directly eliminated from the assembly dimension chain, and the center line coincidence of the worm wheel 12 and the worm 13 (the center of the worm 13 is determined, and the dimension a in the figure is the vertical distance between the center of the worm 13 and the second limit face 705) can be ensured only by controlling the processing precision of the dimension B (the dimension B is the vertical distance between the first limit face 704 and the second limit face 705) in fig. 7, thereby ensuring the assembly precision, being simple in process and convenient to process.
As shown in fig. 1, fig. 2 and fig. 8, the electric power steering system for a light commercial vehicle of the present invention further includes an elastic bushing 8 disposed on the steering gear housing 6, the steering gear housing 6 has a mounting hole for accommodating the elastic bushing 8, and the elastic bushing 8 is in interference fit with the steering gear housing 6. The steering engine shell body 6 is installed on the automobile body of light commercial vehicle, set up a plurality of mounting points on the steering engine shell body 6, the steering engine shell body 6 is connected with the automobile body of light commercial vehicle through the bolt in each mounting point department, each mounting point department sets up a mounting hole respectively, each mounting hole department sets up an elastic bush 8 respectively, the bolt of each mounting point department passes elastic bush 8, the mounting hole that turns to the steering engine shell body 6 is the round hole, elastic bush 8 adopts interference fit's mode to impress in the mounting hole.
As shown in fig. 8, the elastic bush 8 includes an outer sleeve 801, an inner sleeve 802, and a rubber member 803 provided between the outer sleeve 801 and the inner sleeve 802 and bonded to the outer sleeve 801 and the inner sleeve 802. The inner sleeve 802 and the outer sleeve 801 are both hollow circular ring structures with openings at two ends, the inner sleeve 802 and the outer sleeve 801 are coaxially arranged, the diameter of the outer sleeve 801 is larger than that of the inner sleeve 802, and bolts at all mounting points of the steering housing 6 penetrate through the inner sleeve 802. The rubber member 803 is made of rubber, the rubber member 803 is positioned in a cavity between the inner sleeve 802 and the outer sleeve 801, the inner sleeve 802 and the rubber member 803 are bonded together by a vulcanization process. The outer sleeve 801 and the inner sleeve 802 are carbon steel forming round pipes, the steering engine shell 6 is made of aluminum alloy, the outer circular surface of the outer sleeve 801 is attached to the inner circular surface of the mounting hole, and the outer sleeve 801 can guarantee enough pressing force to the steering engine shell 6 so as to prevent the problem of looseness in the using process. The rubber member 803 absorbs vibrations transmitted from the vehicle and plays a role of a buffer. The inner sleeve 802 can bear the locking force of the mounting bolt and is used in cooperation with the flange face nut to prevent the bolt from loosening.
As shown in fig. 1 and 2, in the present embodiment, two mounting points are provided on the steering housing 6, the two mounting points are located on opposite sides of the rack, respectively, and are located between the steering gear 3 and the power assist gear 4, the steering housing 6 is connected to the body of the light commercial vehicle by a bolt at each mounting point, and an elastic bush 8 is provided at each mounting point.
The invention has been described above by way of example with reference to the accompanying drawings. Obviously, the specific implementation of the present invention is not limited by the above-described manner. Various insubstantial improvements are made by adopting the method conception and the technical proposal of the utility model; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.
Claims (8)
1. Light-duty commercial automobile-used electronic power assisted steering system, including steering wheel casing, steering gear, helping hand gear and mobilizable rack that sets up in steering wheel casing, its characterized in that: the rack comprises a toothed section and a non-toothed section, and the toothed section is provided with a plurality of rack teeth which are meshed with the power-assisted gear and the steering gear and are continuously distributed;
the steering gear and the power-assisted gear are both helical gears, the tooth shapes of the steering gear and the power-assisted gear are opposite in rotation direction and the helical angles are the same in size, and the rotation directions of the steering gear and the power-assisted gear are the same when the steering gear and the power-assisted gear drive the racks to move.
2. The electric power steering system for a light commercial vehicle of claim 1, wherein: the worm gear is sleeved on the power-assisted gear, and the worm gear and the power-assisted gear rotate synchronously.
3. The electric power steering system for a light commercial vehicle of claim 2, wherein: the power-assisted gear comprises a gear body meshed with the rack and a shaft body connected with the gear body, the worm gear is sleeved on the shaft body, and the worm gear is in interference fit with the shaft body.
4. The electric power steering system for a light commercial vehicle of claim 3, wherein: the power-assisted gear further comprises a shaft shoulder connected with the shaft body and a flange connected with the shaft shoulder, a supporting bearing is sleeved on the shaft shoulder, and the supporting bearing is located between the worm gear and the flange.
5. The electric power steering system for a light commercial vehicle of claim 4, wherein: the steering gear is characterized by further comprising a cover plate arranged on the steering gear shell and an end cover arranged on the cover plate and used for achieving axial fixation of the supporting bearing, wherein the supporting bearing is located in the cover plate and is in clearance fit with the cover plate.
6. The electric power steering system for a light commercial vehicle of claim 5, wherein: the cover plate is provided with a first limiting surface attached to the first end face of the outer ring of the supporting bearing and a second limiting surface attached to the end face of the end cover, and the second end face of the outer ring of the supporting bearing is attached to the end face of the end cover.
7. The electric power steering system for a light commercial vehicle according to any one of claims 1 to 3, characterized in that: the steering gear further comprises an elastic bushing arranged on the steering gear shell, the steering gear shell is provided with a mounting hole for accommodating the elastic bushing, and the elastic bushing and the steering gear shell are in interference fit.
8. The electric power steering system for a light commercial vehicle of claim 7, wherein: the elastic bushing comprises an outer sleeve, an inner sleeve and a rubber piece which is arranged between the outer sleeve and the inner sleeve and is bonded with the outer sleeve and the inner sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920582858.1U CN210191579U (en) | 2019-04-25 | 2019-04-25 | Electric power steering system for light commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920582858.1U CN210191579U (en) | 2019-04-25 | 2019-04-25 | Electric power steering system for light commercial vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN210191579U true CN210191579U (en) | 2020-03-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920582858.1U Active CN210191579U (en) | 2019-04-25 | 2019-04-25 | Electric power steering system for light commercial vehicle |
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| CN (1) | CN210191579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053661A (en) * | 2019-04-25 | 2019-07-26 | 安徽德孚转向***股份有限公司 | Light commercial vehicle electric boosting steering system |
| WO2022050037A1 (en) * | 2020-09-07 | 2022-03-10 | 日立Astemo株式会社 | Electric power steering device |
-
2019
- 2019-04-25 CN CN201920582858.1U patent/CN210191579U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110053661A (en) * | 2019-04-25 | 2019-07-26 | 安徽德孚转向***股份有限公司 | Light commercial vehicle electric boosting steering system |
| CN110053661B (en) * | 2019-04-25 | 2024-05-03 | 中国公路车辆机械有限公司 | Electric power steering system for light commercial vehicle |
| WO2022050037A1 (en) * | 2020-09-07 | 2022-03-10 | 日立Astemo株式会社 | Electric power steering device |
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Effective date of registration: 20230707 Address after: 100122 East, no.9-2, lvjiaying village, Shibalidian Township, Chaoyang District, Beijing Patentee after: CHINA HIGHWAY VEHICLE & MACHINERY Co.,Ltd. Address before: 241100 building 02, No.88, Weisi Road East, Anhui Xinwu Economic Development Zone, Wanbi Town, Wuhu County, Wuhu City, Anhui Province Patentee before: ANHUI DEFU STEERING SYSTEM Inc. Patentee before: CHINA HIGHWAY VEHICLE & MACHINERY Co.,Ltd. |