CN113428222A - Disconnected rigid main pin structure applied to independent suspension - Google Patents
Disconnected rigid main pin structure applied to independent suspension Download PDFInfo
- Publication number
- CN113428222A CN113428222A CN202110816111.XA CN202110816111A CN113428222A CN 113428222 A CN113428222 A CN 113428222A CN 202110816111 A CN202110816111 A CN 202110816111A CN 113428222 A CN113428222 A CN 113428222A
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- Prior art keywords
- pin
- hole
- knuckle
- swing arm
- steering knuckle
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
- B60G15/08—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having fluid spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/10—Independent suspensions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention belongs to the technical field of automobile suspensions, and discloses a disconnected rigid main pin structure applied to an independent suspension, which comprises an installation seat, wherein a steering knuckle is movably installed on the right side of the installation seat, an upper pin hole of the steering knuckle is formed in the inner part of the top end of the steering knuckle, a lower pin hole of the steering knuckle is formed in the inner part of the bottom end of the steering knuckle, and an upper main pin shaft is movably sleeved in the inner part of the upper pin hole of the steering knuckle. According to the invention, by arranging the upper pin hole of the steering knuckle, the lower main pin shaft, the lower main pin and the shock absorber mounting interface, due to the coaxial design of the upper pin hole of the steering knuckle and the lower pin hole of the steering knuckle, the subsequent mounting of the upper swing arm assembly and the lower swing arm assembly can be respectively realized, the steering function is realized on a large-tonnage independent suspension, and due to the matching between the lower main pin and the shock absorber mounting interface, the mounting of driving systems such as a shock absorber, a motor and the like can be inherited, and the occupation of the wheel side space is reduced.
Description
Technical Field
The invention belongs to the technical field of automobile suspensions, and particularly relates to a disconnected rigid main pin structure applied to an independent suspension.
Background
The automobile suspension is an important part for ensuring riding comfort, and meanwhile, the automobile suspension is used as a force transmission part for connecting a frame and an axle and is also an important part for ensuring the running safety of an automobile, so the automobile suspension is often classified as an important part to be programmed into a technical specification table of a car and is used as one of indexes for measuring the quality of the car.
The main pin applied to the independent suspension at present mainly has two structural forms, one is a rigid main pin structure, a common steering knuckle is arranged on an air bag arm through a rigid main pin, the air bag arm is connected with an upper swing arm and a lower swing arm through two pin shafts, and the air bag is arranged on the air bag arm, the main defect of the structure is that the position of the main pin occupies larger wheel side space and has no space for integrating driving systems such as a speed reducer, a motor and the like, the other structure is a structural form of a virtual main pin, the structure is that a ball hinge is arranged on the upper swing arm and the lower swing arm, the upper end and the lower end of the steering knuckle are respectively connected with the ball hinge, the steering knuckle can rotate around a connecting line of an upper ball point and a lower ball point to realize steering, and simultaneously, the steering knuckle and the upper swing arm and the lower swing arm can also move relatively when the steering knuckle moves up and down, the main defect of the structure is that the bearing capacity is that a weaker elastic element can only be arranged on the lower swing arm with longer length, occupation space can't inherit drive systems such as reduction gear and motor, if lets out the space that elastic element occupies, and elastic element can only arrange on last swing arm, and then go up swing arm length and do than longer, influence about, two passageway width between the swing arm, consequently need improve it.
Disclosure of Invention
The present invention is directed to a break-away rigid kingpin structure for use in an independent suspension to solve the problems set forth above in the background art.
In order to achieve the above purpose, the invention provides the following technical scheme: a disconnected rigid main pin structure applied to an independent suspension comprises a mounting seat, wherein a steering knuckle is movably mounted on the right side of the mounting seat and can rotate around a lower main pin and an upper main pin to realize steering, an upper pin hole of the steering knuckle is formed in the top end of the steering knuckle, a lower pin hole of the steering knuckle is formed in the bottom end of the steering knuckle, an upper main pin shaft is movably sleeved in the upper pin hole of the steering knuckle, an upper main pin is fixedly mounted at the top of the upper main pin shaft, an upper main pin hole is formed in the left inner portion of the upper main pin, an elastic element mounting interface is formed in the right side of the upper surface of the upper main pin and can be used for directly mounting an elastic element or mounting one or more elastic elements through an air bag arm or other supports or indirectly, the movement track of the lower end of the elastic element on a YZ plane is the same as that of the steering knuckle, and when the steering knuckle moves up and down, the elastic element is mainly in up-down jumping translational motion, a lower main pin shaft is movably sleeved in the lower pin hole of the steering knuckle, a lower main pin is fixedly mounted at the bottom of the lower main pin shaft, a lower main pin shaft hole located on the right side of the lower main pin shaft is formed in the lower main pin, a shock absorber mounting interface located on the right side of the lower main pin shaft hole is formed in the upper surface of the lower main pin, a shock absorber is fixedly mounted in the shock absorber mounting interface, a lower swing arm assembly is movably sleeved on the outer surface of the bottom end of the steering knuckle, an air bag arm is fixedly mounted at the top of the elastic element mounting interface, air bags are fixedly mounted on two sides of the top of the air bag arm, the number of the air bags is two, the sizes of the air bags are the same, and upper swing arm assemblies are movably mounted on two sides of the upper main pin.
Preferably, the lower swing arm pin shaft is movably sleeved inside the lower main pin shaft hole, the other end of the lower swing arm pin shaft penetrates through the lower swing arm assembly and extends to the outside of the lower swing arm assembly, and due to the design of the lower swing arm pin shaft, the effect of installing and fixing the lower main pin and the lower swing arm assembly can be achieved.
Preferably, the inner part of the upper main pin shaft hole is movably sleeved with an upper swing arm pin shaft, the other end of the upper swing arm pin shaft penetrates through the upper swing arm assembly and extends to the outer part of the upper swing arm assembly, and due to the design of the upper swing arm pin shaft, the effect of installing and fixing the upper main pin and the upper swing arm assembly can be achieved.
Preferably, the fixing bolt is arranged inside the left side of the mounting seat and is in a surrounding mode, and due to the design of the plurality of fixing bolts, an operator can conveniently install and fix the main pin structure through the mounting seat.
Preferably, the size of the upper pin hole of the steering knuckle is larger than that of the lower pin hole of the steering knuckle, and the upper pin hole of the steering knuckle and the lower pin hole of the steering knuckle are located on the same axis, so that an operator can conveniently install and correct the position.
Preferably, the left side fixed mounting of knuckle has the activity round pin, and the other end of activity round pin is located the inside of mount pad, because the design of activity round pin, the holistic rotation activity of knuckle of will being convenient for.
Preferably, the knuckle surface is equipped with the through-hole, and the through-hole is located the left side of pinhole under knuckle last pin hole and the knuckle, because the design of through-hole, will reduce the holistic material of knuckle, has also reduced the weight of knuckle simultaneously.
Preferably, the shock absorber mounting interface is internally provided with a mounting hole, the mounting hole is fixedly connected with the bottom end of the shock absorber through a bolt, and due to the design of the mounting hole, an operator can conveniently mount the steering knuckle.
The invention has the following beneficial effects:
1. according to the invention, by arranging the upper pin hole of the steering knuckle, the lower main pin shaft, the lower main pin and the shock absorber mounting interface, due to the coaxial design of the upper pin hole of the steering knuckle and the lower pin hole of the steering knuckle, the subsequent mounting of the upper swing arm assembly and the lower swing arm assembly can be respectively realized, the steering function is realized on a large-tonnage independent suspension, and due to the matching between the lower main pin and the shock absorber mounting interface, the mounting of driving systems such as a shock absorber, a motor and the like can be inherited, and the occupation of the wheel side space is reduced.
2. The invention can play a good mounting role on the upper king pin by arranging the upper king pin shaft, the upper king pin and the elastic element mounting interface, and can directly mount the elastic element or indirectly mount one or more elastic elements through the air bag arm or other supports due to the design of the elastic element mounting interface without mounting the elastic element on the upper and lower swing arms, thereby not occupying the space required by the mounting of driving systems such as a shock absorber, a motor and the like and not influencing the width of a channel between the left upper swing arm and the right upper swing arm.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mounting structure of the air bag arm of the present invention;
FIG. 3 is a schematic view of the mounting structure of the upper kingpin of the present invention;
FIG. 4 is a schematic top view of the present invention;
FIG. 5 is a schematic view of the construction of the knuckle of the present invention;
FIG. 6 is a schematic structural view of the upper kingpin of the present invention;
fig. 7 is a schematic structural view of the lower kingpin of the present invention.
In the figure: 1. a mounting seat; 2. a knuckle; 3. a pin hole is formed in the steering knuckle; 4. a knuckle lower pin hole; 5. an upper king pin shaft; 6. a lower king pin shaft; 7. a lower kingpin; 8. a shock absorber mounting interface; 9. a lower king pin shaft hole; 10. a lower swing arm pin shaft; 11. a lower swing arm assembly; 12. a shock absorber; 13. an upper kingpin; 14. an upper king pin shaft hole; 15. an elastic element mounting interface; 16. an upper swing arm pin shaft; 17. an air bag arm; 18. an upper swing arm assembly; 19. an air bag.
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.
As shown in fig. 1 to 7, in the embodiment of the present invention, a break-away rigid kingpin structure applied to an independent suspension includes a mounting base 1, a knuckle 2 is movably mounted on the right side of the mounting base 1, the knuckle 2 can rotate around a lower kingpin 7 and an upper kingpin 13 to realize steering, an upper knuckle pin hole 3 is formed in the top end of the knuckle 2, a lower knuckle pin hole 4 is formed in the bottom end of the knuckle 2, an upper kingpin 5 is movably sleeved in the upper knuckle pin hole 3, an upper kingpin 13 is fixedly mounted on the top of the upper kingpin 5, an upper kingpin hole 14 is formed in the left side of the upper kingpin 13, an elastic element mounting interface 15 is formed on the right side of the upper surface of the upper kingpin 13, the elastic element mounting interface 15 can be directly mounted with an elastic element or mounted with one or more elastic elements through an airbag arm 17 or other bracket or indirectly, and the movement locus of the lower end of the elastic element on a YZ plane is the same as that of the knuckle 2, meanwhile, when the knuckle 2 moves up and down, the elastic element also mainly moves in an up-and-down jumping translational motion mode, a lower main pin shaft 6 is movably sleeved in the lower pin hole 4 of the knuckle, a lower main pin 7 is fixedly installed at the bottom of the lower main pin shaft 6, a lower main pin shaft hole 9 located on the right side of the lower main pin shaft 6 is formed in the lower main pin 7, a shock absorber installation interface 8 located on the right side of the lower main pin shaft hole 9 is formed in the upper surface of the lower main pin 7, a shock absorber 12 is fixedly installed in the shock absorber installation interface 8, a lower swing arm assembly 11 is movably sleeved on the outer surface of the bottom end of the knuckle 2, an air bag arm 17 is fixedly installed at the top of the elastic element installation interface 15, air bags 19 are fixedly installed on two sides of the top of the air bag arm 17, the number of the air bags 19 is two, the sizes of the two air bags 19 are the same, and upper swing arm assemblies 18 are movably installed on two sides of the upper main pin 13.
Wherein, the inside activity of lower king pin shaft hole 9 is cup jointed down swing arm round pin axle 10, and the other end of lower swing arm round pin axle 10 runs through lower swing arm assembly 11 and extends to the outside of lower swing arm assembly 11, because the design of lower swing arm round pin axle 10, will realize the fixed effect of installation between lower king pin 7 and the lower swing arm assembly 11.
Wherein, the inside activity of going up swizzle hole 14 has connect the upper swing arm round pin axle 16, and the other end of going up swingarm pin axle 16 passes through upper swing arm assembly 18 and extends to the outside of upper swing arm assembly 18, because the design of upper swing arm round pin axle 16, will realize the fixed effect of installation between last swizzle 13 and the upper swing arm assembly 18.
Wherein, the left internally mounted of mount pad 1 has fixing bolt, and fixing bolt presents for the surrounding type, because a plurality of fixing bolt's design, will be convenient for operating personnel to install fixedly through mount pad 1 to this swizzle structure.
The size of the upper pin hole 3 of the steering knuckle is larger than that of the lower pin hole 4 of the steering knuckle, and the upper pin hole 3 of the steering knuckle and the lower pin hole 4 of the steering knuckle are located on the same axis, so that an operator can conveniently install and correct the positions.
Wherein, the left side fixed mounting of knuckle 2 has the removable pin, and the other end of removable pin is located the inside of mount pad 1, because the design of removable pin, the holistic rotation activity of knuckle 2 that will be convenient for.
Wherein, 2 surfaces of knuckle are equipped with the through-hole, and the through-hole is located knuckle left side of round pin hole 3 and knuckle lower pin hole 4, because the design of through-hole, will have reduced the holistic material of knuckle 2, has also reduced the weight of knuckle 2 simultaneously.
Wherein, the mounting hole has been seted up to the inside of shock absorber installation interface 8, and the bottom fixed connection of mounting hole through bolt and shock absorber 12, because the design of mounting hole, will be convenient for operating personnel installs knuckle 2.
The working principle and the using process are as follows:
due to the design of the upper pin hole 3 and the lower pin hole 4 of the knuckle, an operator can conveniently movably mount the upper kingpin shaft 5 and the lower kingpin 7, the steering function is realized on a large-tonnage independent suspension, due to the matching between the lower kingpin shaft hole 9 and the lower swing arm pin shaft 10, the movable mounting of the lower swing arm assembly 11 can be realized, and due to the arrangement of the shock absorber mounting interface 8, the shock absorber 12, the motor and other driving systems can be installed successively, and the occupation of the wheel side space is reduced.
Due to the design of the elastic element mounting interface 15, the elastic element can be directly mounted or one or more elastic elements can be indirectly mounted through the air bag arm 17 or other supports, the elastic element does not need to be mounted on the upper swing arm and the lower swing arm, the width of a channel between the left upper swing arm and the right upper swing arm is prevented from being influenced, and meanwhile, valuable space is reserved for mounting the vibration absorber 12 and a motor and other driving systems.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A disconnected rigid main pin structure applied to an independent suspension comprises a mounting seat (1) and is characterized in that: a knuckle (2) is movably mounted on the right side of the mounting seat (1), an upper knuckle pin hole (3) is formed in the top end of the knuckle (2), a lower knuckle pin hole (4) is formed in the bottom end of the knuckle (2), an upper main pin shaft (5) is movably sleeved in the upper knuckle pin hole (3), an upper main pin (13) is fixedly mounted at the top of the upper main pin shaft (5), an upper main pin shaft hole (14) is formed in the left side of the upper main pin (13), an elastic element mounting interface (15) is formed in the right side of the upper surface of the upper main pin (13), a lower main pin shaft (6) is movably sleeved in the lower knuckle pin hole (4), a lower main pin (7) is fixedly mounted at the bottom of the lower main pin shaft (6), a lower main pin shaft hole (9) located on the right side of the lower main pin shaft (6) is formed in the lower main pin (7), the shock absorber installation interface (8) that are located down swizzle axle hole (9) right side are seted up to the upper surface of lower swizzle (7), the inside fixed mounting of shock absorber installation interface (8) has shock absorber (12), swing arm assembly (11) down has been cup jointed in the surface activity of knuckle (2) bottom, the top fixed mounting of elastic element installation interface (15) has gasbag arm (17), the equal fixed mounting in both sides at gasbag arm (17) top has gasbag (19), the equal movable mounting in both sides of going up swizzle (13) has swing arm assembly (18).
2. A break-away rigid king pin structure for an independent suspension according to claim 1, wherein: and a lower swing arm pin shaft (10) is movably sleeved in the lower main pin shaft hole (9), and the other end of the lower swing arm pin shaft (10) penetrates through the lower swing arm assembly (11) and extends to the outside of the lower swing arm assembly (11).
3. A break-away rigid king pin structure for an independent suspension according to claim 1, wherein: an upper swing arm pin shaft (16) is movably sleeved inside the upper main pin shaft hole (14), and the other end of the upper swing arm pin shaft (16) penetrates through the upper swing arm assembly (18) and extends to the outside of the upper swing arm assembly (18).
4. A break-away rigid king pin structure for an independent suspension according to claim 1, wherein: the left inner mounting of mount pad (1) has fixing bolt, fixing bolt presents for surrounding type.
5. A break-away rigid king pin structure for an independent suspension according to claim 1, wherein: the size of the upper pin hole (3) of the steering knuckle is larger than that of the lower pin hole (4) of the steering knuckle, and the upper pin hole (3) of the steering knuckle and the lower pin hole (4) of the steering knuckle are located on the same axis.
6. A break-away rigid king pin structure for an independent suspension according to claim 1, wherein: the left side fixed mounting of knuckle (2) has the activity round pin, and the other end of activity round pin is located the inside of mount pad (1).
7. A break-away rigid king pin structure for an independent suspension according to claim 1, wherein: the outer surface of the steering knuckle (2) is provided with a through hole, and the through hole is positioned on the left side of the upper pin hole (3) of the steering knuckle and the left side of the lower pin hole (4) of the steering knuckle.
8. A break-away rigid king pin structure for an independent suspension according to claim 1, wherein: the shock absorber mounting interface (8) is internally provided with a mounting hole, and the mounting hole is fixedly connected with the bottom end of the shock absorber (12) through a bolt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110816111.XA CN113428222B (en) | 2021-07-20 | 2021-07-20 | Disconnected rigid main pin structure applied to independent suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110816111.XA CN113428222B (en) | 2021-07-20 | 2021-07-20 | Disconnected rigid main pin structure applied to independent suspension |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113428222A true CN113428222A (en) | 2021-09-24 |
| CN113428222B CN113428222B (en) | 2022-07-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110816111.XA Active CN113428222B (en) | 2021-07-20 | 2021-07-20 | Disconnected rigid main pin structure applied to independent suspension |
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| Country | Link |
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| CN (1) | CN113428222B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022262458A1 (en) * | 2021-06-17 | 2022-12-22 | 湖南中车智行科技有限公司 | Rubber wheel power dispersion bogie assembly |
| CN118927881A (en) * | 2024-07-26 | 2024-11-12 | 北京航空航天大学 | A wire-controlled angle drive electronically controlled suspension system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000033809A (en) * | 1998-07-17 | 2000-02-02 | Mitsubishi Motors Corp | Independent suspension |
| CN204701409U (en) * | 2015-06-23 | 2015-10-14 | 安徽江淮汽车股份有限公司 | A kind of macpherson suspension assembly |
| CN108407889A (en) * | 2018-05-11 | 2018-08-17 | 方盛车桥（苏州）有限公司 | A kind of independent suspension that new energy comfort used for buses is high |
| CN109808768A (en) * | 2019-01-23 | 2019-05-28 | 中国公路车辆机械有限公司 | Virtual kingpin, car suspension and car |
| CN110667703A (en) * | 2019-10-11 | 2020-01-10 | 上海科曼车辆部件系统股份有限公司 | Independent suspension axle system for commercial vehicle |
-
2021
- 2021-07-20 CN CN202110816111.XA patent/CN113428222B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000033809A (en) * | 1998-07-17 | 2000-02-02 | Mitsubishi Motors Corp | Independent suspension |
| CN204701409U (en) * | 2015-06-23 | 2015-10-14 | 安徽江淮汽车股份有限公司 | A kind of macpherson suspension assembly |
| CN108407889A (en) * | 2018-05-11 | 2018-08-17 | 方盛车桥（苏州）有限公司 | A kind of independent suspension that new energy comfort used for buses is high |
| CN109808768A (en) * | 2019-01-23 | 2019-05-28 | 中国公路车辆机械有限公司 | Virtual kingpin, car suspension and car |
| CN110667703A (en) * | 2019-10-11 | 2020-01-10 | 上海科曼车辆部件系统股份有限公司 | Independent suspension axle system for commercial vehicle |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022262458A1 (en) * | 2021-06-17 | 2022-12-22 | 湖南中车智行科技有限公司 | Rubber wheel power dispersion bogie assembly |
| CN118927881A (en) * | 2024-07-26 | 2024-11-12 | 北京航空航天大学 | A wire-controlled angle drive electronically controlled suspension system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113428222B (en) | 2022-07-26 |
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