CN112849264A - Constant-torque type automobile steering knuckle arm - Google Patents
Constant-torque type automobile steering knuckle arm Download PDFInfo
- Publication number
- CN112849264A CN112849264A CN202110032683.9A CN202110032683A CN112849264A CN 112849264 A CN112849264 A CN 112849264A CN 202110032683 A CN202110032683 A CN 202110032683A CN 112849264 A CN112849264 A CN 112849264A
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- shaft
- arm
- transmission
- lower driving
- driving
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D7/00—Steering linkage; Stub axles or their mountings
- B62D7/18—Steering knuckles; King pins
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Abstract
The invention discloses a constant-torque automobile steering knuckle arm which comprises a front arm and a rear arm, wherein a guide plate is fixedly arranged at one end of the front arm, a guide hole in sliding fit with the guide plate is formed in one end of the rear arm, and an upper positioning plate and a lower positioning plate which are distributed in parallel are fixedly arranged at the other end of the rear arm. According to the invention, a front arm and a rear arm are arranged and matched in a telescopic manner, the rear arm is rotatably connected with a transmission turntable and a driving shaft which are used for controlling the front arm to stretch, a lower driving disc is arranged at one end of the driving shaft, the lower part of the transmission turntable is connected with the lower driving disc, the lower driving disc is used for controlling the lower driving disc to rotate through a connecting arm so as to realize the stretching or shrinking action of the knuckle arm formed by the front arm and the rear arm, a connecting rod is fixedly arranged on the outer surface wall of the driving shaft and is used for being fixedly connected with one end of an external steering drag link, an included angle between the steering drag link and the rear arm can be changed when the steering drag link moves.
Description
Technical Field
The invention relates to the technical field of automobile steering arms, in particular to a constant-torque type automobile steering knuckle arm.
Background
The knuckle arm realizes the turning to of two leading wheels through controlling two trapezoidal arm swings, and its input is connected with the one end that turns to the drag link, and the moment of torsion that the knuckle arm bore is great, and the knuckle arm is at the wobbling in-process moreover, turns to the rocking arm of drag link relative trapezoidal arm swing center and can change, specifically along with turning to the increase of angle, this rocking arm can reduce gradually, can increase the load that turns to from this, leads to turning to the difficulty.
Therefore, the invention provides a constant-torque type automobile steering knuckle arm.
Disclosure of Invention
The invention aims to: in order to solve the problems mentioned in the background art, a constant torque type automobile steering knuckle arm is provided.
In order to achieve the purpose, the invention adopts the following technical scheme:
a constant-torque type automobile steering knuckle arm comprises a front arm and a rear arm, wherein a guide plate is fixedly arranged at one end of the front arm, a guide hole in sliding fit with the guide plate is formed in one end of the rear arm, an upper positioning plate and a lower positioning plate which are distributed in parallel are fixedly arranged at the other end of the rear arm, a transmission turntable is arranged between the two positioning plates, one side of the transmission turntable is fixedly provided with a transmission shaft which is distributed coaxially and penetrates through one positioning plate positioned at the lower part and is in rotating fit with the positioning plate, a transmission eccentric shaft is fixedly arranged at the other side of the transmission turntable, the transmission eccentric shaft is hinged with one end of the guide plate through the transmission arm, a driving shaft is rotatably connected between the two positioning plates and is close to one end far away from the rear arm, one end of the driving shaft penetrates through one positioning plate positioned at the lower, one end of the transmission shaft is fixedly connected with a lower transmission disc, one side of the lower transmission disc is fixedly provided with a lower eccentric shaft which is eccentrically distributed, the lower eccentric shaft is rotatably connected with a lower driving eccentric shaft through a connecting arm, the lower driving disc and the lower transmission disc are both of a groove-shaped wheel structure and are connected through a transmission belt, a connecting rod is fixedly arranged on the outer surface wall of the driving shaft, a connecting shaft is fixedly arranged on one side of the connecting rod and close to the free end, and the axes of the connecting shaft, the lower driving eccentric shaft and the driving shaft are all on the same plane.
As a further description of the above technical solution:
the connecting shaft and the lower driving eccentric shaft are positioned on two sides of the driving shaft, and the top of the connecting shaft is fixedly provided with a butt joint block.
As a further description of the above technical solution:
the other end of the driving shaft penetrates through the other positioning plate and is rotatably connected with a connecting circular truncated cone which is coaxially distributed, the outer surface wall of the connecting circular truncated cone is fixedly connected with one end of the butt joint block, and the upper end face of the connecting circular truncated cone is connected with an anti-impact connecting sleeve.
As a further description of the above technical solution:
the fixed cooperation axle that is provided with the axle center and distributes of up end of connecting the round platform, protecting against shock adapter sleeve and cooperation axle are transition fit, the fixed stopper that is provided with of exterior wall of cooperation axle, the breach of stepping down with stopper clearance fit has been seted up to the interior table wall of protecting against shock adapter sleeve.
As a further description of the above technical solution:
and the outer surface wall of the impact-proof connecting sleeve is fixedly provided with a butt joint shaft which is vertically distributed with the connecting rod.
As a further description of the above technical solution:
the transmission belt is a synchronous belt, and the outer diameter of the wheel groove on the lower transmission disc is smaller than the diameter of the wheel groove on the lower driving disc.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
1. according to the invention, a front arm and a rear arm are arranged and matched in a telescopic manner, the rear arm is rotatably connected with a transmission turntable and a driving shaft which are used for controlling the front arm to stretch, a lower driving disc is arranged at one end of the driving shaft, the lower part of the transmission turntable is connected with the lower driving disc, the lower driving disc is used for controlling the lower driving disc to rotate through a connecting arm so as to realize the stretching or shrinking action of the knuckle arm formed by the front arm and the rear arm, a connecting rod is fixedly arranged on the outer surface wall of the driving shaft and is used for being fixedly connected with one end of an external steering drag link, an included angle between the steering drag link and the rear arm can be changed when the steering drag link moves.
2. In the invention, the lower driving disc and the lower transmission disc are additionally arranged, the lower driving disc drives the lower transmission disc to rotate through the connecting arm, the structure adopts a common crank transmission structure, and the peripheries of the lower driving disc and the lower transmission disc are in a wheel groove structure and are connected through the transmission belt, so that the constant rotating arm control is realized, the structure is simple, and the cost is low.
3. In the invention, the other end of the driving shaft penetrates through the other positioning plate and is rotatably connected with the connecting round table which is coaxially distributed, the outer surface wall of the connecting round table is fixedly connected with one end of the butt joint block, the upper end surface of the connecting round table is connected with the anti-impact connecting sleeve, and when the steering wheel swings, the anti-impact connecting sleeve cannot rotate, so that the front arm and the rear arm cannot move relatively, and the steering locking function is realized.
Drawings
FIG. 1 is a schematic structural view of an integral assembly of a constant torque type automobile steering knuckle arm in accordance with the present invention;
FIG. 2 is a schematic view of the structure of the constant torque type knuckle arm of the present invention, wherein the front arm, the rear arm, the driving arm and the driving turntable are engaged with each other;
FIG. 3 is a schematic view of the structure of the constant torque type automobile steering knuckle arm of the present invention, wherein the rear arm, the transmission turntable, the driving shaft, the connecting arm and the transmission belt are engaged with each other;
FIG. 4 is a schematic bottom view of the constant torque type vehicle steering knuckle arm of FIG. 3 according to the present invention;
fig. 5 is a schematic structural view of a constant-torque type automobile steering knuckle arm according to the present invention, in which a connection circular truncated cone is added to fig. 3.
Illustration of the drawings:
1. a forearm; 11. a guide plate; 2. a rear arm; 21. a guide hole; 22. positioning a plate; 3. a transmission turntable; 31. a drive shaft; 311. a lower transmission disc; 3111. a lower eccentric shaft; 32. driving an eccentric shaft; 4. a drive arm; 5. a drive shaft; 51. a lower drive disk; 511. a lower driving eccentric shaft; 52. a connecting rod; 521. a connecting shaft; 5211. a butt joint block; 6. a connecting arm; 7. a transmission belt; 8. a circular truncated cone is connected; 81. a mating shaft; 811. a limiting block; 9. an anti-impact connecting sleeve; 91. a abdication gap; 92. and (5) butting the shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1-4, a constant torque type automobile steering knuckle arm includes a front arm 1 and a rear arm 2, the front arm 1 is used to be fixedly connected with one of the trapezoid arms, a guide plate 11 is fixedly disposed at one end of the front arm 1, a guide hole 21 slidably engaged with the guide plate 11 is disposed at one end of the rear arm 2, the front arm 1 and the rear arm 2 are slidably engaged, the arm plate formed by the front arm 1 and the rear arm 2 can be extended or shortened, an upper positioning plate 22 and a lower positioning plate 22 are fixedly disposed at the other end of the rear arm 2, a transmission turntable 3 is disposed between the two positioning plates 22, a transmission shaft 31 coaxially disposed and penetrating through one positioning plate 22 at the lower portion and rotatably engaged with the transmission plate 3 is fixedly disposed at one side of the transmission turntable 3, a transmission eccentric shaft 32 is fixedly disposed at the other side of the transmission turntable 3, the transmission eccentric shaft 32 is hinged to one end of the guide plate 11 through the transmission arm 4, that the transmission arm 4 is Or shortened, one end of the driving shaft 5 is rotatably connected between the two positioning plates 22 and close to the end far away from the rear arm 2, one end of the driving shaft 5 passes through one positioning plate 22 at the lower part and is fixedly connected with a lower driving plate 51, one side of the lower driving plate 51 is fixedly provided with a lower driving eccentric shaft 511, one end of the driving shaft 31 is fixedly connected with a lower driving plate 311, one side of the lower driving plate 311 is fixedly provided with a lower eccentric shaft 3111 which is eccentrically distributed, the lower eccentric shaft 3111 is rotatably connected with the lower driving eccentric shaft 511 through a connecting arm 6, the driving shaft 5 is controlled to rotate, then the lower driving plate 311 is driven to rotate through the transmission action of the connecting arm 6, the rotation control of the driving turntable 3 is realized, the swing amplitude of the driving shaft 5 and the change of the telescopic amplitude of the front arm 1 and the rear arm 2 can be conveniently adjusted through the lower driving plate, the lower driving disc 51 and the lower driving disc 311 are both in a groove-shaped wheel structure and are connected through a transmission belt 7, wherein the transmission belt 7 is a synchronous belt, the lower eccentric shaft 3111 and the lower driving eccentric shaft 511 are both in a state close to the rear arm 2 in a non-steering state and are in the same vertical plane with the driving shaft 5 and the transmission shaft 31, the transmission belt 7 is used for ensuring that the steering directions of the lower driving disc 51 and the lower driving disc 311 are the same, and the outer diameter of the wheel groove on the lower driving disc 311 is smaller than the diameter of the wheel groove on the lower driving disc 51, so that the condition that a transmission dead point occurs on the connecting arm 6; the outer wall of the driving shaft 5 is fixedly provided with a connecting rod 52, one side of the connecting rod 52 close to the free end is fixedly provided with a connecting shaft 521, the axes of the connecting shaft 521, the lower driving eccentric shaft 511 and the driving shaft 5 are all on the same plane, preferably, the connecting shaft 521 and the lower driving eccentric shaft 511 are positioned at two sides of the driving shaft 5, the top of the connecting shaft 521 is fixedly provided with a butt joint block 5211, the butt joint block 5211 and one end of an external steering drag link can be fixedly connected, the other end of the steering drag link is connected with the output end of a steering gear in a ball hinge mode, when the steering drag link moves axially, the included angle between the steering drag link and the rear arm 2 can be reduced, the rotating arm is reduced, the connecting shaft 521 can be driven to rotate relative to the rear arm 2.
Example 2
Referring to fig. 5, the difference from embodiment 1 is that the other end of the driving shaft 5 penetrates another positioning plate 22 and is rotatably connected with a connecting circular truncated cone 8 which is coaxially distributed, an outer surface wall of the connecting circular truncated cone 8 is fixedly connected with one end of a butt-joint block 5211, an anti-impact connecting sleeve 9 is connected with the upper end surface of the connecting circular truncated cone 8, that is, when the steering wheel is steered, the front arm 1 correspondingly swings, and further an included angle between the front arm 1 and a steering straight pull rod can be changed, so that a state that the front arm 1 extends out relative to the rear arm 2 can be changed when the steering wheel swings, the front arm 1 and the rear arm 2 can be locked by arranging the anti-impact connecting sleeve 9, specifically, a matching shaft 81 which is coaxially distributed is fixedly arranged on the upper end surface of the connecting circular truncated cone 8, the anti-impact connecting sleeve 9 and the matching shaft 81 are in transition fit, a limiting block 811 is fixedly arranged on the outer surface wall of the matching shaft 81, an inner surface wall, can be provided with the butt joint axle 92 with connecting rod 52 vertical distribution at the exterior wall of protecting against shock adapter sleeve 9 is fixed, will butt joint axle 92 and turn to the one end fixed connection of drag link when using, when turning to the wheel swing, the pivoted condition can not appear in protecting against shock adapter sleeve 9, and relative motion's the condition can not appear in forearm 1 and postbrachium 2 from this, has to turn to the locking function.
The working principle is as follows: when the steering mechanism is used, one end of the front arm 1 is fixedly connected with one of the trapezoid arms, the butt joint shaft 92 is fixedly connected with one end of the steering drag link, the steering drag link is perpendicular to a connecting line between the driving shaft 5 and the trapezoid arm rotation axis in a non-steering state, the steering drag link is controlled to move forwards in steering, the front arm 1 and the rear arm 2 can swing, the connecting circular truncated cone 8 is connected to swing relative to the rear arm 2, the connecting rod 52 is driven to swing through the connecting shaft 521, the driving shaft 5 rotates, the lower driving disc 51 rotates and drives the lower driving disc 311 to rotate through the connecting arm 6, then the driving turntable 3 rotates and pushes the front arm 1 outwards through the driving arm 4, the knuckle arm formed by the front arm 1 and the rear arm extends, the rotating arm is enlarged, otherwise, the steering drag link is controlled to move backwards, and constant rotating arm.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (6)
1. The utility model provides a constant torque formula's steering knuckle arm, a serial communication port, including forearm (1) and postbrachium (2), the fixed deflector (11) that is provided with in one end of forearm (1), the one end of postbrachium (2) is seted up with deflector (11) sliding fit's guiding hole (21), two locating plate (22) of two parallel distribution about the other end of postbrachium (2) is fixed to be provided with, two be provided with between locating plate (22) transmission carousel (3), one side of transmission carousel (3) is fixed to be provided with axle center distribution and runs through a locating plate (22) that is located the lower part and be normal running fit's transmission shaft (31), and the fixed transmission eccentric shaft (32) that is provided with of opposite side of this transmission carousel (3), transmission eccentric shaft (32) are articulated through the one end of transmission arm (4) and deflector (11), two just be close to the one end of keeping away from postbrachium (2) between locating plate (22) and rotate ) One end of the driving shaft (5) passes through one positioning plate (22) positioned at the lower part and is fixedly connected with a lower driving disc (51), one side of the lower driving disk (51) is fixedly provided with a lower driving eccentric shaft (511), one end of the transmission shaft (31) is fixedly connected with a lower driving disk (311), one side of the lower transmission disc (311) is fixedly provided with a lower eccentric shaft (3111) which is eccentrically distributed, the lower eccentric shaft (3111) is rotationally connected with the lower driving eccentric shaft (511) through a connecting arm (6), the lower driving disk (51) and the lower transmission disk (311) are both in a groove-shaped wheel structure and are connected through a transmission belt (7), a connecting rod (52) is fixedly arranged on the outer surface wall of the driving shaft (5), a connecting shaft (521) is fixedly arranged on one side of the connecting rod (52) and close to the free end, the axes of the connecting shaft (521), the lower driving eccentric shaft (511) and the driving shaft (5) are all on the same plane.
2. A constant torque type automobile steering knuckle arm according to claim 1, wherein the connecting shaft (521) and the lower driving eccentric shaft (511) are located at both sides of the driving shaft (5), and the top of the connecting shaft (521) is fixedly provided with a butt block (5211).
3. The constant-torque automobile steering knuckle arm according to claim 2, wherein the other end of the driving shaft (5) penetrates through the other positioning plate (22) and is rotatably connected with a coaxially distributed connecting circular truncated cone (8), the outer surface wall of the connecting circular truncated cone (8) is fixedly connected with one end of the butt-joint block (5211), and the upper end surface of the connecting circular truncated cone (8) is connected with the anti-impact connecting sleeve (9).
4. The constant-torque automobile steering knuckle arm according to claim 3, wherein a matching shaft (81) distributed coaxially is fixedly arranged on the upper end surface of the connecting circular truncated cone (8), the impact-proof connecting sleeve (9) and the matching shaft (81) are in transition fit, a limiting block (811) is fixedly arranged on the outer surface wall of the matching shaft (81), and an abdicating notch (91) in clearance fit with the limiting block (811) is formed in the inner surface wall of the impact-proof connecting sleeve (9).
5. Constant torque type automobile steering knuckle arm according to claim 4, characterized in that the outer wall of the shock-proof connection sleeve (9) is fixedly provided with a butt joint shaft (92) which is vertically distributed with the connecting rod (52).
6. A constant torque automotive steering knuckle arm according to claim 1, characterized in that said transmission belt (7) is a synchronous belt, the outer diameter of the wheel groove on said lower driving disc (311) being smaller than the diameter of the wheel groove on said lower driving disc (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110032683.9A CN112849264A (en) | 2021-01-12 | 2021-01-12 | Constant-torque type automobile steering knuckle arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110032683.9A CN112849264A (en) | 2021-01-12 | 2021-01-12 | Constant-torque type automobile steering knuckle arm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112849264A true CN112849264A (en) | 2021-05-28 |
Family
ID=76002517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110032683.9A Withdrawn CN112849264A (en) | 2021-01-12 | 2021-01-12 | Constant-torque type automobile steering knuckle arm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112849264A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751413A (en) * | 2021-09-27 | 2021-12-07 | 吕浩东 | Washing unit is subsided to herbal pieces-raw and other materials flashing formula |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1169759A (en) * | 1966-04-21 | 1969-11-05 | Int Harvester Co | Improvements relating to Steering Linkage for Wheeled Vehicles |
| JPS57186583A (en) * | 1981-05-08 | 1982-11-17 | Nissan Motor Co Ltd | Steering unit for vehicle |
| JPS6078869A (en) * | 1983-10-07 | 1985-05-04 | Toyota Motor Corp | Steering device for vehicle |
| JP2006273144A (en) * | 2005-03-29 | 2006-10-12 | Fuji Heavy Ind Ltd | Steering device |
| JP2008273347A (en) * | 2007-04-27 | 2008-11-13 | Nsk Ltd | Steering system |
| KR20100063436A (en) * | 2008-12-03 | 2010-06-11 | 현대자동차주식회사 | Device for reducing operating effort of steering handle |
| WO2012079281A1 (en) * | 2010-12-13 | 2012-06-21 | Ma Yanxiang | Automobile pure-rolling steering device |
| CN108327787A (en) * | 2018-02-13 | 2018-07-27 | 徐州重型机械有限公司 | Wheel steering system, chassis and vehicle |
| CN210149415U (en) * | 2019-05-22 | 2020-03-17 | 浙江特车控股集团有限公司 | Automobile steering device |
-
2021
- 2021-01-12 CN CN202110032683.9A patent/CN112849264A/en not_active Withdrawn
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1169759A (en) * | 1966-04-21 | 1969-11-05 | Int Harvester Co | Improvements relating to Steering Linkage for Wheeled Vehicles |
| JPS57186583A (en) * | 1981-05-08 | 1982-11-17 | Nissan Motor Co Ltd | Steering unit for vehicle |
| JPS6078869A (en) * | 1983-10-07 | 1985-05-04 | Toyota Motor Corp | Steering device for vehicle |
| JP2006273144A (en) * | 2005-03-29 | 2006-10-12 | Fuji Heavy Ind Ltd | Steering device |
| JP2008273347A (en) * | 2007-04-27 | 2008-11-13 | Nsk Ltd | Steering system |
| KR20100063436A (en) * | 2008-12-03 | 2010-06-11 | 현대자동차주식회사 | Device for reducing operating effort of steering handle |
| WO2012079281A1 (en) * | 2010-12-13 | 2012-06-21 | Ma Yanxiang | Automobile pure-rolling steering device |
| CN108327787A (en) * | 2018-02-13 | 2018-07-27 | 徐州重型机械有限公司 | Wheel steering system, chassis and vehicle |
| CN210149415U (en) * | 2019-05-22 | 2020-03-17 | 浙江特车控股集团有限公司 | Automobile steering device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113751413A (en) * | 2021-09-27 | 2021-12-07 | 吕浩东 | Washing unit is subsided to herbal pieces-raw and other materials flashing formula |
| CN113751413B (en) * | 2021-09-27 | 2023-01-03 | 安徽盛誉远国药有限公司 | Washing unit is subsided to herbal pieces-raw and other materials flashing formula |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210528 |
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| WW01 | Invention patent application withdrawn after publication |