CN111336209A - Shock absorber with adjustable kingpin inclination angle and vehicle - Google Patents
Shock absorber with adjustable kingpin inclination angle and vehicle Download PDFInfo
- Publication number
- CN111336209A CN111336209A CN202010219139.0A CN202010219139A CN111336209A CN 111336209 A CN111336209 A CN 111336209A CN 202010219139 A CN202010219139 A CN 202010219139A CN 111336209 A CN111336209 A CN 111336209A
- Authority
- CN
- China
- Prior art keywords
- piston rod
- shock absorber
- eccentric gasket
- eccentric
- kingpin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F13/00—Units comprising springs of the non-fluid type as well as vibration-dampers, shock-absorbers, or fluid springs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/10—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using liquid only; using a fluid of which the nature is immaterial
- F16F9/14—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect
- F16F9/16—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts
- F16F9/18—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein
- F16F9/19—Devices with one or more members, e.g. pistons, vanes, moving to and fro in chambers and using throttling effect involving only straight-line movement of the effective parts with a closed cylinder and a piston separating two or more working spaces therein with a single cylinder and of single-tube type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3221—Constructional features of piston rods
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/32—Details
- F16F9/3207—Constructional features
- F16F9/3235—Constructional features of cylinders
Abstract
The invention discloses a shock absorber with an adjustable kingpin inclination angle, which comprises a piston rod and an upper mounting seat sleeved at the top of the piston rod, wherein the upper mounting seat is provided with a sinking platform for placing an eccentric gasket, the bottom surface of the sinking platform is provided with a through hole, the top end of the piston rod sequentially penetrates through the through hole, and the eccentric gasket is fixedly connected with the upper mounting seat through a locking nut; the top of the piston rod is correspondingly matched with the eccentric hole of the eccentric gasket, so that the axis position of the piston rod and the eccentric gasket can be adjusted along with the rotation of the eccentric gasket after the piston rod and the eccentric gasket are assembled together, and the inclination angle of the main pin can be adjusted. The adjustable vehicle kingpin parameter adjusting device can realize that the kingpin parameter of the vehicle in the whole life cycle is adjustable, and is simple in structure. The invention also discloses a vehicle which comprises a suspension system, wherein the suspension system comprises the shock absorber with the adjustable kingpin inclination angle.
Description
Technical Field
The invention relates to an automobile suspension shock absorber, in particular to a shock absorber with an adjustable kingpin inclination angle and a vehicle.
Background
The automobile shock absorber is one of key parts in an automobile suspension system, has great influence on the operation stability and the smoothness of the whole automobile, and is required to be continuously debugged in the development process of the automobile so as to achieve the optimal performance.
The kingpin refers to a rotation center line of the wheel during steering, and the kingpin inclination angle comprises kingpin inclination inwards and kingpin inclination backwards. The kingpin inclination refers to an acute projection angle of the axis of the automobile kingpin and a plumb line on a plane vertical to the longitudinal symmetry plane of the vehicle; caster refers to the angle between the kingpin axis and the vertical in a vertical plane. For the Macpherson suspension, the main pin line is a connecting line of the upper point of the shock absorber and the swing arm ball pin.
The conventional Macpherson suspension on the current market mainly comprises a lower swing arm, a steering knuckle, a shock absorber support, a spring, a stabilizer bar, a connecting rod and the like. When the shock absorber is assembled, the piston rod and the upper mounting seat are directly fixed and cannot move relatively. Thus, neither macpherson suspension of this type has a kingpin inclination adjustment function. In order to ensure the inclination angle precision of the kingpin, the dimensional precision of the suspension parts can only be improved. However, increasing the accuracy of suspension components leads to increased costs. Therefore, most products currently on the market reduce the accuracy of the kingpin tilt control, reducing costs at the expense of tire and suspension performance. And along with the increase of the service life of the vehicle, the rigidity of elastic elements such as springs, bushings and the like is attenuated in the later period of use of the vehicle, so that the inclination angle parameters of the kingpin are abnormal, the service performance of the vehicle is influenced, and faults such as deviation, eccentric wear, abnormal abrasion, running jitter and the like are caused, and the driving performance is influenced. Therefore, it is desirable to develop a damper with adjustable kingpin inclination.
Disclosure of Invention
The invention aims to provide a damper with an adjustable kingpin inclination angle and a vehicle, which can realize the adjustability of kingpin parameters of the vehicle in the whole life cycle and have a simple structure.
The shock absorber with the adjustable inclination angle of the kingpin comprises a piston rod and an upper mounting seat sleeved on the top of the piston rod, wherein the upper mounting seat is provided with a sinking platform for placing an eccentric gasket, the bottom surface of the sinking platform is provided with a through hole, and the top end of the piston rod sequentially penetrates through the through hole and the eccentric gasket and is fixedly connected with the upper mounting seat through a locking nut; the top of the piston rod is correspondingly matched with the eccentric hole of the eccentric gasket, so that the axis position of the piston rod and the eccentric gasket can be adjusted along with the rotation of the eccentric gasket after the piston rod and the eccentric gasket are assembled together, and the inclination angle of the main pin can be adjusted.
Furthermore, the threaded part at the top of the piston rod is provided with a plurality of grooves extending along the axial direction of the piston rod, and the inner wall of the eccentric gasket is provided with a plurality of bulges correspondingly matched with the grooves.
Furthermore, a plurality of positioning holes for inserting the rotating tool positioning pins are formed in the eccentric gasket.
Further, the upper mounting seat is fixedly connected with the automobile body through a bolt assembly.
Furthermore, the excircle of the eccentric gasket is in clearance fit with the sinking platform.
Further, the number of the grooves is two, and the positions of the two grooves are symmetrical relative to a plane where the axis of the piston rod is located.
A vehicle comprises a suspension system which comprises the main pin inclination angle adjustable shock absorber.
Compared with the prior art, the invention has the following beneficial effects.
1. The upper mounting seat is provided with a sinking platform for placing the eccentric gasket, the top end of the piston rod penetrates through the eccentric gasket to be in threaded connection with the locking nut, the eccentric gasket is rotated, the top of the piston rod is correspondingly matched with an eccentric hole of the eccentric gasket, so that the piston rod is driven to rotate along with the eccentric gasket, the eccentric effect of the eccentric gasket enables the axis position of the piston rod to be changed to a certain extent in the rotating process, the aim of adjusting the relative position of the upper point of the main pin is fulfilled, the rotation is stopped after the adjustment is in place, the piston rod and the eccentric gasket are locked through the locking nut, the adjustment of the inclination angle of the main pin is realized, and the main pin parameters of a vehicle can be adjusted in the whole life.
2. According to the Macpherson suspension, the eccentric gasket structure is added on the front shock absorber of the existing Macpherson suspension, the plurality of grooves extending along the axial direction of the piston rod are formed in the threaded part of the top of the piston rod, and the plurality of protrusions correspondingly matched with the grooves are formed in the inner wall of the eccentric gasket.
Drawings
FIG. 1 is an exploded schematic view of a shock absorber according to the present invention;
FIG. 2 is a cross-sectional view of the shock absorber of the present invention;
FIG. 3 is a schematic view of the construction of the piston rod of the present invention;
FIG. 4 is a schematic view of the construction of the eccentric shim of the present invention;
FIG. 5 is a schematic structural view of the upper mount of the present invention;
fig. 6 is a schematic structural view of the suspension system of the present invention.
In the figure, 1-piston rod, 11-groove, 2-upper mounting seat, 21-sinking platform, 22-through hole, 3-eccentric gasket, 31-bulge, 32-positioning hole, 4-lock nut, 5-cylinder, 6-bearing, 7-buffer block, 8-coil spring, 10-front strut shock absorber, 20-stabilizer bar connecting rod, 30-stabilizer bar, 40-front subframe and 50-front swing arm ball pin.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 5, the damper with the adjustable kingpin inclination angle includes a piston rod 1 and an upper mounting base 2 sleeved on the top of the piston rod 1, the upper mounting base 2 is provided with a sinking platform 21 for placing an eccentric gasket 3, a through hole 22 is formed in the bottom surface of the sinking platform 21, and the top end of the piston rod 1 sequentially penetrates through the through hole 22 and the eccentric gasket 3 and is fixedly connected with the upper mounting left 2 through a locking nut 4. The top of the piston rod 1 is correspondingly matched with an eccentric hole of the eccentric gasket 3, so that the axis position of the piston rod 1 and the eccentric gasket 3 can be adjusted along with the rotation of the eccentric gasket 3 after the piston rod 1 and the eccentric gasket 3 are assembled together, and further the inclination angle of the kingpin can be adjusted.
The diameter of the screw rod at the top of the piston rod 1 is 14mm, the length of the thread is 30mm, the outer diameter of the lower part of the piston rod 1 is 22mm, a plane step is formed with the thread part at the top, and the plane step is matched with the locking nut 4 to lock the position of the piston rod 1.
The threaded position of the top of the piston rod 1 is provided with two grooves 11 extending along the axial direction of the piston rod 1, the depth of each groove 11 is 2mm, the two grooves 11 can better meet the working requirements when the inclination angle of the kingpin is adjusted, the actual machining and manufacturing process of the piston rod 1 cannot be complex, and convenience is provided for batch machining and production of the piston rod. And the positions of the two grooves 11 are symmetrical relative to the plane where the axis of the piston rod 1 is located, and two protrusions 31 correspondingly matched with the grooves 11 are arranged on the inner wall of the eccentric gasket 3. Two grooves 11 are symmetrically arranged, so that the stress of the piston rod 1 and the eccentric gasket 3 is more balanced in the rotating process, and the service life is prolonged. Specifically, the grooves on the piston rod 1 can be in other numbers and arrangement modes without affecting the normal adjustment of the kingpin inclination angle.
The thickness of the eccentric gasket 3 is 3mm, the diameter of the eccentric gasket is 43.5mm, two positioning holes 32 for inserting the rotating tool positioning pins are formed in the eccentric gasket, the positioning holes 32 are round holes with the diameter of 5mm, and the two positioning holes 32 are formed in a graduated circle with the central diameter of 33mm of the eccentric gasket 3.
Go up mount pad 2 and be formed by 3mm thick high-strength steel punching press, outside vulcanite is through three bolt assembly and automobile body fixed connection. The excircle of the eccentric gasket 3 is in clearance fit with the sinking platform 21 of the upper mounting seat 2, and the clearance fit is favorable for smooth rotation of the eccentric gasket 3, so that the process of adjusting the inclination angle of the main pin is more convenient and quicker, and meanwhile, the eccentric gasket 3 is limited to rotate only in the plane of the sinking platform 21, and the movement of the eccentric gasket 3 is prevented.
During specific adjustment, the locking nut 4 is firstly loosened, then the positioning pin of the rotating tool is inserted into the two positioning holes 32 of the eccentric gasket 3, the rotating tool is rotated, so that the eccentric gasket 3 rotates, the eccentric gasket 3 and the groove 11 of the piston rod 1 are matched to realize the circumferential positioning of the eccentric gasket 3 and the piston rod 1, the piston rod 1 is driven to rotate along with the eccentric gasket 3, the axial center position of the piston rod 1 can be changed to a certain extent in the rotating process due to the eccentric action of the eccentric gasket 3, the purpose of adjusting the upper point relative position of the main pin is further realized, when the adjustment is in place, the rotation tool is stopped, the rotating tool is taken down, the piston rod and the eccentric gasket are locked through the locking nut, the adjustment of the inclination angle of the main pin is realized, and the main pin parameters of a vehicle can be adjusted in the whole life.
The eccentric spacer structure is added on the front shock absorber of the traditional Macpherson suspension, the structure is simple, the manufacturing precision requirement of suspension parts is reduced, the suspension cost is reduced, and meanwhile, the control precision of the inclination angle of the kingpin is improved. It should be noted that the shock absorber with the adjustable kingpin inclination angle further comprises a cylinder 5, a bearing 6, a buffer block 7 and a spiral spring 8, the piston rod 1 extends out from the upper portion of the cylinder 5, the tail end of the piston rod is connected with the upper mounting seat 2, the bearing 6 is mounted on the lower portion of the upper mounting seat 2, the buffer block 7 is fixed on the lower portion of the upper mounting seat 2 through the buffer block mounting seat and sleeved outside the piston rod 1, and the spiral spring 8 is fixed between the upper mounting seat 1 and a spring seat arranged on the outer side of the cylinder 5.
A vehicle includes a suspension system, see fig. 6, which includes a front pillar damper 10, a stabilizer link rod 20, a stabilizer bar 30, a front subframe 40, and a front swing arm ball stud 50. The lower end of the front pillar damper 10 is connected with one end of a stabilizer bar connecting rod 20, the other end of the stabilizer bar connecting rod 20 is connected with one end of a stabilizer bar 30, the other end of the stabilizer bar is connected with a front subframe 50, the front subframe 50 is further connected with a front swing arm ball stud 50, the front swing arm ball stud 50 is a kingpin lower point, and the front pillar damper 10 is the above-mentioned kingpin inclination-adjustable damper.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. The utility model provides a swizzle inclination adjustable shock absorber, includes piston rod (1) and the cover and locates last mount pad (2) at piston rod (1) top, its characterized in that: the upper mounting seat (2) is provided with a sinking platform (21) for placing an eccentric gasket, the bottom surface of the sinking platform (21) is provided with a through hole (22), the top end of the piston rod (1) sequentially penetrates through the through hole (22), and the eccentric gasket (3) is fixedly connected with the upper mounting seat (2) through a locking nut (4);
the top of the piston rod (1) is correspondingly matched with an eccentric hole of the eccentric gasket (3), so that the piston rod (1) and the eccentric gasket (3) can be assembled together to adjust the axis position along with the rotation of the eccentric gasket (3), and further the inclination angle of the kingpin can be adjusted.
2. The kingpin inclination adjustable shock absorber according to claim 1, wherein: the threaded position of the top of the piston rod (1) is provided with a plurality of grooves (11) extending along the axial direction of the piston rod (1), and the inner wall of the eccentric gasket (3) is provided with a plurality of protrusions (31) correspondingly matched with the grooves (11).
3. A kingpin inclination adjustable shock absorber according to claim 1 or 2, wherein: and a plurality of positioning holes (32) for inserting the rotating tool positioning pins are formed in the eccentric gasket (3).
4. A kingpin inclination adjustable shock absorber according to claim 1 or 2, wherein: the upper mounting seat (2) is fixedly connected with the automobile body through a bolt assembly.
5. A kingpin inclination adjustable shock absorber according to claim 1 or 2, wherein: the excircle of the eccentric gasket (3) is in clearance fit with the sinking platform (21).
6. A kingpin inclination adjustable shock absorber according to claim 1 or 2, wherein: the number of the grooves (11) is two, and the positions of the two grooves (11) are symmetrical relative to a plane where the axis of the piston rod (1) is located.
7. A vehicle comprising a suspension system characterized by: the suspension system includes the kingpin inclination adjustable shock absorber according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219139.0A CN111336209A (en) | 2020-03-25 | 2020-03-25 | Shock absorber with adjustable kingpin inclination angle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010219139.0A CN111336209A (en) | 2020-03-25 | 2020-03-25 | Shock absorber with adjustable kingpin inclination angle and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111336209A true CN111336209A (en) | 2020-06-26 |
Family
ID=71184471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010219139.0A Pending CN111336209A (en) | 2020-03-25 | 2020-03-25 | Shock absorber with adjustable kingpin inclination angle and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111336209A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09263114A (en) * | 1996-03-27 | 1997-10-07 | Mazda Motor Corp | Fastening structure for suspension link |
| CN1429718A (en) * | 2001-12-07 | 2003-07-16 | 达纳公司 | Suspension regulation system for wheel flare and master pin retrodisplacement |
| JP2004106564A (en) * | 2002-09-13 | 2004-04-08 | Nippon Yusoki Co Ltd | Steering angle detection sensor mounting structure of forklift |
| JP2006069475A (en) * | 2004-09-06 | 2006-03-16 | Mazda Motor Corp | Vehicle body lower part structure |
| CN203161765U (en) * | 2012-12-26 | 2013-08-28 | 江铃汽车股份有限公司 | Bolt and nut component for suspension system |
| CN204432770U (en) * | 2015-01-30 | 2015-07-01 | 浙江工业大学之江学院 | A kind of upper bracket mounting structure of the Novel belt eccentric bolt for automobile |
| CN204874881U (en) * | 2015-08-10 | 2015-12-16 | 新疆农垦科学院 | Lint cleaning machine arranges miscellaneous sword positioning fastening device |
| CN108501648A (en) * | 2018-02-10 | 2018-09-07 | 山东国金汽车制造有限公司 | A kind of McPherson strut camber angle adjustment structure |
-
2020
- 2020-03-25 CN CN202010219139.0A patent/CN111336209A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09263114A (en) * | 1996-03-27 | 1997-10-07 | Mazda Motor Corp | Fastening structure for suspension link |
| CN1429718A (en) * | 2001-12-07 | 2003-07-16 | 达纳公司 | Suspension regulation system for wheel flare and master pin retrodisplacement |
| JP2004106564A (en) * | 2002-09-13 | 2004-04-08 | Nippon Yusoki Co Ltd | Steering angle detection sensor mounting structure of forklift |
| JP2006069475A (en) * | 2004-09-06 | 2006-03-16 | Mazda Motor Corp | Vehicle body lower part structure |
| CN203161765U (en) * | 2012-12-26 | 2013-08-28 | 江铃汽车股份有限公司 | Bolt and nut component for suspension system |
| CN204432770U (en) * | 2015-01-30 | 2015-07-01 | 浙江工业大学之江学院 | A kind of upper bracket mounting structure of the Novel belt eccentric bolt for automobile |
| CN204874881U (en) * | 2015-08-10 | 2015-12-16 | 新疆农垦科学院 | Lint cleaning machine arranges miscellaneous sword positioning fastening device |
| CN108501648A (en) * | 2018-02-10 | 2018-09-07 | 山东国金汽车制造有限公司 | A kind of McPherson strut camber angle adjustment structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200626 |
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| RJ01 | Rejection of invention patent application after publication |