CN115158452A - Novel steering gear in oil-electricity hybrid vehicle - Google Patents
Novel steering gear in oil-electricity hybrid vehicle Download PDFInfo
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- CN115158452A CN115158452A CN202210750487.XA CN202210750487A CN115158452A CN 115158452 A CN115158452 A CN 115158452A CN 202210750487 A CN202210750487 A CN 202210750487A CN 115158452 A CN115158452 A CN 115158452A
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- 238000007789 sealing Methods 0.000 claims description 7
- 238000004891 communication Methods 0.000 claims description 6
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- 230000007797 corrosion Effects 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 12
- 238000013461 design Methods 0.000 abstract description 10
- 238000005299 abrasion Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000011161 development Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 5
- 230000004044 response Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000003134 recirculating effect Effects 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 208000019901 Anxiety disease Diseases 0.000 description 2
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- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 210000003781 tooth socket Anatomy 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
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- 230000007246 mechanism Effects 0.000 description 1
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- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
- B62D5/18—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle characterised by power transmitting means
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Gears, Cams (AREA)
Abstract
The utility model provides a novel steering gear among oil-electricity hybrid vehicle, includes casing and the driving shaft that is used for connecting the steering wheel, be equipped with gear chamber, hydraulic pressure chamber and intercommunication runner in the casing. The hydraulic pressure chamber sets up in gear chamber both sides symmetrically, the intercommunication runner is used for connecting the hydraulic pressure chamber of gear chamber both sides. A hydraulic rod is arranged in the hydraulic cavity, one end of the hydraulic rod is located in the hydraulic cavity, a piston is arranged at the end of the hydraulic rod, and the other end of the hydraulic rod extends out of the hydraulic cavity and is used for being connected with a tire. The driving shaft extends into the shell to the gear cavity, a driving gear is arranged at the end of the driving shaft, and oil conveying gear sets used for conveying oil are symmetrically connected to two sides of the driving gear. Compared with the prior art, the gear has small abrasion and small transmission noise, the service life of the steering gear is prolonged, the weight of the steering gear is reduced under the condition of ensuring the structural strength, and the lightweight design of an automobile is facilitated.
Description
Technical Field
The invention belongs to the technical field of automobile steering devices, and particularly relates to a novel steering gear in an oil-electricity hybrid automobile.
Background
With the development of automobile manufacturing technology and the popularization of concepts of environmental protection development, automobile manufacturers increasingly pay attention to the development of new energy automobiles. New energy vehicles probably can be divided into two types of electric vehicles and hybrid electric vehicles, and the problems of cruising anxiety, power anxiety, great influence of temperature and the like of the existing electric vehicles cannot be completely overcome, so that a part of consumers more favor the vehicle type of the oil-electricity hybrid power. The market of the oil-electricity hybrid electric vehicle has a very considerable development prospect before the electric vehicle technology is completely mature.
The steering gear used on the existing oil-electricity hybrid electric vehicle is mainly developed from the steering gear of the traditional oil-fired vehicle, and the typical steering gear comprises a rack-and-pinion type steering gear, a recirculating ball type steering gear, a worm crank pin type steering gear and the like. The main body structure of the rack and pinion steering gear is a rack and pinion mechanism, and the rotation motion is converted into linear motion or approximate linear motion through the matching of a rack and pinion, so that the rack and pinion steering gear has the advantages of simple structure, easiness in manufacturing and the like. The recirculating ball type steering gear generally has two stages of transmission pairs, the first stage is a screw nut transmission pair, the second stage is rack and pinion transmission or sliding transmission, wherein the screw and the nut are not in direct contact, a plurality of steel balls are arranged between the screw and the nut to realize rolling friction, and the recirculating ball type steering gear has the advantages of long service life and the like due to the utilization of the rolling friction. The transmission pair of the worm crank pin type steering gear takes a steering worm as a driving part and takes a pin arranged at the end part of a crank on a rocker arm shaft as a driven part, and has the advantages of long service life, large rocker arm shaft rotation angle and the like.
The above-described mainstream diverter also has the following problems: 1. the process of converting the rotation of the steering wheel into the linear motion of the pull rod is realized through the transmission of a mechanical structure, and the problems of large abrasion or complex and precise design structure for reducing the abrasion and high production requirement exist. 2. The noise generated by transmission is large. 3. Under the development trend of light weight of automobiles, certain improvement space exists.
Accordingly, the present application is directed to further designs and improvements based on certain of the above-identified circumstances in the prior art.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the novel steering gear in the oil-electric hybrid automobile, which can convert the rotation of a driving shaft into hydraulic driving force, controls the steering by controlling the hydraulic rod to stretch and retract through the hydraulic driving, has the advantages of simple integral structure, small gear abrasion and small transmission noise, prolongs the service life of the steering gear, reduces the weight of the steering gear under the condition of ensuring the structural strength, and is favorable for the lightweight design of the automobile.
In order to solve the above technical problems, the present invention is achieved by the following technical means.
The utility model provides a novel steering gear among oil-electricity hybrid vehicle, includes casing and the driving shaft that is used for connecting the steering wheel, be equipped with gear chamber, hydraulic pressure chamber and intercommunication runner in the casing. The hydraulic pressure chamber sets up in gear chamber both sides symmetrically, the intercommunication runner is used for connecting the hydraulic pressure chamber of gear chamber both sides. A hydraulic rod is arranged in the hydraulic cavity, one end of the hydraulic rod is located in the hydraulic cavity, a piston is arranged at the end of the hydraulic rod, and the other end of the hydraulic rod extends out of the hydraulic cavity and is used for being connected with a tire. The piston divides the hydraulic cavity into a first oil cavity and a second oil cavity, and the first oil cavity is communicated with the gear cavity. The driving shaft stretches into the shell to the gear cavity and is provided with a driving gear, two sides of the driving gear are symmetrically connected with oil conveying gear sets used for conveying oil, and the gear cavity is separated from the first oil cavity by the oil conveying gear sets.
This structure has following beneficial effect: the driving shaft is driven to rotate by rotating the steering wheel, the oil conveying gear set is driven to rotate by the driving gear, and oil in the gear cavity is pumped to the first oil cavity or oil in the first oil cavity is pumped to the gear cavity by the oil conveying gear set, so that the hydraulic rod is controlled to stretch and retract, and the rotation of the wheels is controlled. This structure can greatly reduced the wearing and tearing and the noise of gear.
In a preferred embodiment, the housing comprises a bottom shell and an upper cover, and the upper cover is hermetically assembled with the bottom shell. The upper cover is provided with a communicating pipe, and the communicating channel is arranged in the communicating pipe. Simple structure, the erection joint is reliable, the maintenance in the later stage of being convenient for.
In a preferred embodiment, a sealing ring is arranged on the piston and is in sliding sealing abutting joint with the inner wall of the hydraulic cavity, so that the first oil cavity and the second oil cavity can be effectively separated, and the oil is prevented from being communicated with each other to influence the operation response.
In a preferred embodiment, a spring is disposed in the second oil chamber, one end of the spring abuts against the piston, and the other end of the spring abuts against the inner wall of the end portion of the second oil chamber. The spring can provide the reset assistance for the hydraulic rod, and the operation response speed is improved.
In a preferred embodiment, the oil transfer gear set includes a first gear and a second gear; the first gear is meshed with the driving gear, and the second gear is meshed with the first gear. The oil is conveyed from the gear cavity to the first oil cavity or from the first oil cavity to the gear cavity by changing the working volume formed between the shell and the first gear and the second gear, so that the hydraulic rod is stretched.
In a preferred embodiment, the driving gear is provided with a driving tooth portion and a driving groove portion, the driving tooth portion is provided with driving gear teeth on an upper ring, a driving gear ring is installed in the driving groove portion, and the driving gear ring is provided with a driving tooth socket on an upper ring. The first gear is provided with a first tooth part and a first groove part, the first tooth part is provided with a first gear tooth, a first gear ring is arranged in the first groove part, and the first gear ring is provided with a first tooth socket. The second gear is provided with a second tooth part and a second groove part, a second gear tooth is arranged on the second tooth part in a ring mode, a second gear ring is arranged in the second groove part, and a second tooth groove is formed in the second gear ring in a ring mode.
The driving gear teeth are meshed with the first gear teeth, the first gear teeth are meshed with the second gear teeth, and the first gear teeth are meshed with the second gear teeth. The gear wear can be greatly reduced by replacing the traditional gear meshing mode through the gear tooth-tooth groove meshing connection mode, and the service life of the steering gear is prolonged.
In a preferred embodiment, the driving gear ring, the first gear ring and the second gear ring are made of a wear-resistant and corrosion-resistant non-metallic material. The service life of the driving gear and the oil delivery gear set is greatly prolonged, the working noise is greatly reduced, and the lightweight design of the steering gear is facilitated.
In a preferred embodiment, the bottom of the active groove portion, the bottom of the first groove portion, and the bottom of the second groove portion are provided with fixing grooves. And the inner walls of the driving gear ring, the first gear ring and the second gear ring are provided with fixing lugs matched with the fixing grooves. The cooperation of fixed slot and fixed lug can effectively restrict the removal of initiative ring gear, first ring gear, second ring gear, prevents its skew.
In a preferred embodiment, the driving gear is provided with a lightening groove, and the bottom of the lightening groove is provided with a lightening hole which penetrates through the lightening groove. The weight of the driving gear is greatly reduced, the reduction of the whole weight of the steering gear is facilitated, and the lightweight design of equipment is facilitated.
Compared with the prior art, the method has the following beneficial effects: the utility model provides a novel steering gear among oil-electricity hybrid vehicle can convert the rotation of driving shaft into hydraulic drive power, and control through the hydraulic drive control hydraulic stem is flexible to control and turn to, and equipment overall structure is simple, and gear wear is little, and the transmission noise is little, has improved the life of steering gear, and has reduced the weight of steering gear under the condition of guaranteeing structural strength, is favorable to the lightweight design of car.
Drawings
Fig. 1 is a perspective view of an embodiment.
Fig. 2 is a partial sectional view in the top view of the embodiment.
Fig. 3 is a partially enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic structural view of the inside of the housing.
FIG. 5 is a schematic view of the meshing engagement of the drive gear and the transfer gear set.
Fig. 6 is a perspective view of the main structure of the driving gear.
Fig. 7 is a perspective view of the driving gear ring.
Fig. 8 is a perspective view of the main structure of the first gear.
Fig. 9 is a perspective view of the second gear main body structure.
Fig. 10 is a perspective view of the first ring gear or the second ring gear.
Fig. 11 is a schematic illustration of a right turn using the present embodiment.
The following are the reference signs in the drawings of the specification:
1. a housing; 11. a bottom case; 12. an upper cover; 13. a communicating pipe; 14. a gear cavity; 15. a hydraulic chamber; 151. a first oil chamber; 152. a second oil chamber; 16. a flow passage is communicated;
2. a drive shaft;
3. a hydraulic rod; 31. a piston; 32. a seal ring; 33. a spring;
4. a driving gear; 41. a weight reduction groove; 42. lightening holes; 43. an active tooth portion; 431. a driving gear tooth; 44. an active slot portion; 441. a driving gear ring; 442. a driving tooth groove;
5. an oil transfer gear set; 51. a first gear; 511. a first tooth portion; 512. a first groove portion; 513. a first gear tooth; 514. a first ring gear; 515. a first tooth slot; 52. a second gear; 521. a second tooth portion; 522. a second groove portion; 523. a second gear tooth; 524. a second ring gear; 525. a second tooth slot;
60. fixing grooves; 61. fixing the bump; 62. and (7) connecting the shafts.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
The embodiments described below by referring to the drawings, in which the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout, are exemplary only for explaining the present invention, and are not construed as limiting the present invention.
In describing the present invention, it is to be understood that the terms: the terms center, longitudinal, lateral, length, width, thickness, up, down, front, back, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing and simplifying the description, and thus, should not be construed as limiting the present invention. Furthermore, the terms: first, second, etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features shown. In the description of the present invention, unless explicitly specified or limited otherwise, the terms: mounting, connecting, etc. should be understood broadly, and those skilled in the art will understand the specific meaning of the terms in this application as they pertain to the particular situation.
Referring to fig. 1 to 10, a novel steering gear in a hybrid electric vehicle includes a housing 1 and a driving shaft 2 for connecting a steering wheel. The housing 1 is provided therein with a gear chamber 14, a hydraulic chamber 15, and a communication flow passage 16. The hydraulic pressure chambers 15 are symmetrically arranged on both sides of the gear chamber 14, and the communication flow passage 16 is used for connecting the hydraulic pressure chambers 15 on both sides of the gear chamber 14. The housing 1 comprises a bottom shell 11 and an upper cover 12, wherein the upper cover 12 is hermetically assembled with the bottom shell 11. A communication pipe 13 is arranged on the upper cover 12, and the communication flow passage 16 is arranged in the communication pipe 13. Simple structure, the assembly connection is reliable, the maintenance of the later stage of being convenient for.
The driving shaft 2 extends into the shell 1 to the gear cavity 14 and is provided with a driving gear 4, and the end part of the driving shaft 2 is specially matched on the shell 1 through a bearing. Two sides of the driving gear 4 are symmetrically connected with oil delivery gear sets 5 for delivering oil, and the gear cavity 14 is separated from the first oil cavity 151 by the oil delivery gear sets 5. The driving gear 4 is provided with a lightening groove 41, and the bottom of the lightening groove 41 is provided with a through lightening hole 42. The weight of the driving gear 4 is greatly reduced, the whole weight of the steering gear is reduced, and the light-weighted design of equipment is facilitated. The driving shaft 2 is rotated to drive the oil delivery gear set 5 to rotate, the oil in the gear cavity 14 is pumped to the first oil cavity 151 by the oil delivery gear set 5, or the oil in the first oil cavity 151 is pumped to the gear cavity 14 by the oil delivery gear set 5, and therefore the hydraulic rod 3 is controlled to stretch and retract so as to control the rotation of the wheels. The structure can greatly reduce the abrasion and noise of the gear.
Wherein, the oil delivery gear set 5 comprises a first gear 51 and a second gear 52, the first gear 51 and the second gear 52 are respectively assembled with a connecting shaft 62, and the connecting shaft 62 is assembled with the shell 1 through a bearing. The first gear 51 is engaged with the drive gear 4, and the second gear 52 is engaged with the first gear 51. The expansion and contraction of the hydraulic rod 3 are achieved by transferring oil from the gear chamber 14 to the first oil chamber 151 or from the first oil chamber 151 to the gear chamber 14 by changing the working volume formed between the housing 1 and the first and second gears 51, 52.
Referring to fig. 5 to 10, the first gear 51, the second gear 52 and the driving gear 4 of the present embodiment are designed with a mute low-wear structure: the driving gear 4 is provided with a driving tooth part 43 and a driving groove part 44, a driving gear wheel 431 is annularly arranged on the driving tooth part 43, a driving gear ring 441 is arranged in the driving groove part 44, and a driving tooth groove 442 is annularly arranged on the driving gear ring 441. The first gear 51 is provided with a first tooth part 511 and a first groove part 512, a first gear tooth 513 is annularly arranged on the first tooth part 511, a first gear ring 514 is arranged in the first groove part 512, and a first tooth groove 515 is annularly arranged on the first gear ring 514. The second gear 52 is provided with a second tooth portion 521 and a second groove portion 522, a second gear tooth 523 is annularly arranged on the second tooth portion 521, a second ring gear 524 is arranged in the second groove portion 522, and a second groove 525 is annularly arranged on the second ring gear 524. The driving gear 431 is engaged with the first gear tooth slot 515, the driving gear tooth slot 442 is engaged with the first gear tooth 513, the first gear tooth 513 is engaged with the second gear tooth slot 525, and the first gear tooth slot 515 is engaged with the second gear tooth 523. The gear wear can be greatly reduced by replacing the traditional gear meshing mode through the gear tooth-tooth groove meshing connection mode, and the service life of the steering gear is prolonged. Since the first ring gear 514 and the second ring gear 524 are identical in structure, fig. 10 will be described with reference to the first ring gear 514 and the second ring gear 524.
The fixing grooves 60 are disposed at the bottoms of the active groove portion 44, the first groove portion 512 and the second groove portion 522. The inner walls of the driving gear ring 441, the first gear ring 514 and the second gear ring 524 are provided with fixing protrusions 61 which are matched with the fixing grooves 60. The fixing grooves 60 and the fixing protrusions 61 cooperate to effectively limit the movement of the driving gear ring 441, the first gear ring 514 and the second gear ring 524, and prevent the deviation thereof.
In particular, the driving ring 441, the first ring 514 and the second ring 524 are made of a wear-resistant and corrosion-resistant non-metallic material. Preferably, the non-metallic material can be high-strength plastic or composite rubber material, so that the service life of the driving gear 4 and the oil delivery gear set 5 is greatly prolonged, the working noise is greatly reduced, and the lightweight design of the steering gear is facilitated.
The working principle is as follows: extending the hydraulic rod 3 will cause the tyre to deflect in the opposite direction to the direction of extension. Referring to fig. 11, when the vehicle body needs to be turned right, the steering wheel is turned right, and the driving shaft 2 drives the driving gear 4 to rotate clockwise when viewed from the top. Meanwhile, the left first gear 51 rotates reversely, the left second gear 52 rotates clockwise, the left oil delivery gear set 5 pumps oil towards the left hydraulic rod 3, and the left hydraulic rod 3 extends out; when the right first gear 51 rotates reversely and the right second gear 52 rotates clockwise, the right oil delivery gear set 5 pumps oil in the direction of the gear chamber 14, and the right hydraulic rod 3 retracts. When the vehicle body needs to turn left, the internal transmission structure of the steering gear is opposite to the principle of turning right.
Compared with the prior art, this embodiment can convert the rotation of driving shaft 2 into hydraulic drive power, and control through the hydraulic drive control hydraulic stem 3 is flexible to turn to, and equipment overall structure is simple, and gear wear is little, and the transmission noise is little, has improved the life of steering gear, and has reduced the weight of steering gear under the condition of guaranteeing structural strength, is favorable to the lightweight design of car.
The scope of the present invention includes, but is not limited to, the above embodiments, and the present invention is defined by the appended claims, and any alterations, modifications, and improvements that may occur to those skilled in the art are all within the scope of the present invention.
Claims (9)
1. A novel steering gear in an oil-electricity hybrid electric vehicle comprises a shell (1) and a driving shaft (2) used for connecting a steering wheel, and is characterized in that a gear cavity (14), a hydraulic cavity (15) and a communicating flow passage (16) are arranged in the shell (1); the hydraulic cavities (15) are symmetrically arranged on two sides of the gear cavity (14), and the communication flow channel (16) is used for connecting the hydraulic cavities (15) on two sides of the gear cavity (14);
a hydraulic rod (3) is arranged in the hydraulic cavity (15), one end of the hydraulic rod (3) is positioned in the hydraulic cavity (15) and provided with a piston (31) at the end, and the other end of the hydraulic rod (3) extends out of the hydraulic cavity (15) and is used for being connected with a tire; the piston (31) divides the hydraulic chamber (15) into a first oil chamber (151) and a second oil chamber (152), and the first oil chamber (151) is communicated with the gear chamber (14);
the driving shaft (2) stretches into the shell (1) to the gear cavity (14) and is provided with a driving gear (4), the driving gear (4) is connected with oil conveying gear sets (5) used for conveying oil symmetrically on two sides, and the gear cavity (14) is separated from the first oil cavity (151) by the oil conveying gear sets (5).
2. The novel steering gear in the oil-electric hybrid automobile is characterized in that the shell (1) comprises a bottom shell (11) and an upper cover (12), wherein the upper cover (12) is hermetically assembled with the bottom shell (11); the upper cover (12) is provided with a communicating pipe (13), and the communicating flow passage (16) is arranged in the communicating pipe (13).
3. The novel steering gear in an oil-electric hybrid vehicle as claimed in claim 1, characterized in that the piston (31) is provided with a sealing ring (32), and the sealing ring (32) is in sliding sealing abutment with the inner wall of the hydraulic cavity (15).
4. The novel steering gear in an oil-electric hybrid automobile as claimed in claim 3, characterized in that a spring (33) is arranged in the second oil chamber (152), one end of the spring (33) is abutted with the piston (31), and the other end of the spring (33) is abutted with the inner wall of the end part of the second oil chamber (152).
5. The new steering gear in oil-electric hybrid vehicle as claimed in claim 1, characterized in that said oil delivery gear set (5) comprises a first gear (51) and a second gear (52); the first gear (51) is meshed with the driving gear (4), and the second gear (52) is meshed with the first gear (51).
6. The new steering gear in oil-electric hybrid vehicle as claimed in claim 5,
the driving gear (4) is provided with a driving tooth part (43) and a driving groove part (44), the driving tooth part (43) is annularly provided with a driving gear tooth (431), a driving gear ring (441) is arranged in the driving groove part (44), and the driving gear ring (441) is annularly provided with a driving gear slot (442);
a first tooth part (511) and a first groove part (512) are arranged on the first gear (51), a first gear tooth (513) is annularly arranged on the first tooth part (511), a first gear ring (514) is arranged in the first groove part (512), and a first tooth groove (515) is annularly arranged on the first gear ring (514);
a second tooth part (521) and a second groove part (522) are arranged on the second gear (52), a second gear tooth (523) is annularly arranged on the second tooth part (521), a second gear ring (524) is arranged in the second groove part (522), and a second gear groove (525) is annularly arranged on the second gear ring (524);
the driving gear teeth (431) are meshed with the first gear teeth (515), and the driving gear teeth (442) are meshed with the first gear teeth (513); the first gear tooth (513) is engaged with the second gear tooth (525), and the first gear tooth groove (515) is engaged with the second gear tooth (523).
7. The steering gear of claim 6, wherein the driving gear ring (441), the first gear ring (514) and the second gear ring (524) are made of non-metallic materials with wear resistance and corrosion resistance.
8. The novel steering gear in an oil-electric hybrid vehicle as claimed in claim 7, characterized in that the bottom of the active groove portion (44), the bottom of the first groove portion (512) and the bottom of the second groove portion (522) are provided with fixing grooves (60); and the inner walls of the driving gear ring (441), the first gear ring (514) and the second gear ring (524) are respectively provided with a fixing lug (61) matched with the fixing groove (60).
9. The new steering gear of hybrid electric vehicle according to claim 8, wherein the driving gear (4) is provided with a lightening slot (41), and the bottom of the lightening slot (41) is provided with a lightening hole (42) therethrough.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210750487.XA CN115158452B (en) | 2022-06-29 | 2022-06-29 | Novel steering gear in oil-electricity hybrid electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210750487.XA CN115158452B (en) | 2022-06-29 | 2022-06-29 | Novel steering gear in oil-electricity hybrid electric vehicle |
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| Publication Number | Publication Date |
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| CN115158452A true CN115158452A (en) | 2022-10-11 |
| CN115158452B CN115158452B (en) | 2024-06-21 |
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| CN202210750487.XA Active CN115158452B (en) | 2022-06-29 | 2022-06-29 | Novel steering gear in oil-electricity hybrid electric vehicle |
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| CN213416185U (en) * | 2020-11-04 | 2021-06-11 | 倪隆裕 | Pump type electric hydraulic cylinder for forklift |
| CN215566963U (en) * | 2021-07-06 | 2022-01-18 | 云南恩万科技有限公司 | Electro-hydraulic integrated lifter |
-
2022
- 2022-06-29 CN CN202210750487.XA patent/CN115158452B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0958497A (en) * | 1995-08-29 | 1997-03-04 | Toyota Motor Corp | Steering gear for vehicle |
| JP2002145088A (en) * | 2000-11-06 | 2002-05-22 | Unisia Jecs Corp | Power steering device |
| JP2003083262A (en) * | 2001-09-07 | 2003-03-19 | Hitachi Unisia Automotive Ltd | Reversible gear pump |
| CN202243643U (en) * | 2011-08-03 | 2012-05-30 | 华南理工大学 | Hydraulic assisting driving steering mechanism for automobile |
| CN204488907U (en) * | 2015-02-12 | 2015-07-22 | 重庆交通大学 | Heavy motor vehicle first drive axle steering hardware |
| CN107128628A (en) * | 2017-04-13 | 2017-09-05 | 武汉轻工大学 | Electric hydraulic dustbin |
| CN112744291A (en) * | 2019-10-31 | 2021-05-04 | 比亚迪股份有限公司 | Hydraulic motor and steering column with same |
| CN213416185U (en) * | 2020-11-04 | 2021-06-11 | 倪隆裕 | Pump type electric hydraulic cylinder for forklift |
| CN215566963U (en) * | 2021-07-06 | 2022-01-18 | 云南恩万科技有限公司 | Electro-hydraulic integrated lifter |
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| CN115158452B (en) | 2024-06-21 |
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