CN204263876U - A kind of variation rigidity stabilizator rod structure, suspension assembly and automobile - Google Patents
A kind of variation rigidity stabilizator rod structure, suspension assembly and automobile Download PDFInfo
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- CN204263876U CN204263876U CN201420749846.0U CN201420749846U CN204263876U CN 204263876 U CN204263876 U CN 204263876U CN 201420749846 U CN201420749846 U CN 201420749846U CN 204263876 U CN204263876 U CN 204263876U
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- connecting portion
- variation rigidity
- torsion bar
- splines
- rod structure
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Abstract
Relatively complicated for overcoming variation rigidity stabilizer rod in prior art, technology difficulty is large, and the problem that manufacturing cost is high, the utility model embodiment provides a kind of variation rigidity stabilizator rod structure, suspension assembly and automobile.Described variation rigidity stabilizator rod structure, comprises stabilizer rod and hollow torsion bar; Described stabilizer rod comprises the twist section being positioned at centre portion and the linkage section being positioned at described twist section two ends; Wherein, the two ends inwall of described hollow torsion bar is provided with female splines connecting portion; Described twist section is provided with the male splines connecting portion corresponding with the female splines of described hollow torsion bar; Described hollow torsion bar is sleeved in described twist section, and described female splines connecting portion and described male splines connecting portion are connected.The above-mentioned variation rigidity stabilizator rod structure that the utility model embodiment provides, only need be set with outward a hollow torsion bar at existing stabilizer rod, can realize the function of stabilizator rod structure variation rigidity, and its structure is very simple, and easily manufacture, cost is lower.
Description
Technical field
The utility model relates to field of automobile suspension, the stabilizer rod field especially on its automotive suspension.
Background technology
Stabilizer rod, as the important component part of automotive suspension assembly, is one of important part of automobile.In order to reduce offset frequency, improve riding comfort, the vertical stiffness of suspension design lower, this makes the roll angular rigidity of automobile also lower.Automobile, when negotiation of bends, due to the effect of centnifugal force, causing automobile can produce larger vehicle roll angle when turning, affecting riding stability.In order to obtain lower offset frequency, can obtain larger roll angular rigidity again, modern automobile has been widely used Panhard rod (abbreviation stabilizer rod).This stabilizer rod, by the torsion of self, reduces the inclination of vehicle body, improves the safety of negotiation of bends.Meanwhile, fore suspension and rear suspension adopts Panhard rod can also adjust the ratio of the roll angular rigidity of fore suspension and rear suspension, obtain the cornering properties needed.
But when automobile roll is less, stabilizer rod more harm than good, it can have influence on the traveling comfort of traveling.Also, therefore, when the inclination angle that auto body tilts is less, usually wish that the rigidity obtaining stabilizer rod is less, in order to keep the traveling comfort of vehicle; Meanwhile, when angle of roll is larger, wish that the rigidity of stabilizer rod increases thereupon, in order to reduce to roll, avoid vehicle rollover, improve safety.Therefore, the demand for variation rigidity stabilizer rod is increasing.
In prior art, more existing stabilizer rods have employed variation rigidity technology, but the equal more complicated of its variation rigidity stabilizator rod structure, technology difficulty is large and manufacturing cost is higher.
Utility model content
Relatively complicated for overcoming variation rigidity stabilizer rod in prior art, technology difficulty is large, and the problem that manufacturing cost is high, the utility model embodiment provides a kind of variation rigidity stabilizator rod structure, suspension assembly and automobile.
The utility model embodiment provides a kind of variation rigidity stabilizator rod structure on the one hand, comprises stabilizer rod and hollow torsion bar;
Described stabilizer rod comprises the twist section being positioned at centre portion and the linkage section being positioned at described twist section two ends;
Wherein, the two ends inwall of described hollow torsion bar is provided with female splines connecting portion; Described twist section is provided with the male splines connecting portion corresponding with the female splines connecting portion of described hollow torsion bar;
Described hollow torsion bar is sleeved in described twist section, and described female splines connecting portion and described male splines connecting portion are connected.
The above-mentioned variation rigidity stabilizator rod structure that the utility model embodiment provides, only need be set with outward a hollow torsion bar at existing stabilizer rod, can realize the function of stabilizator rod structure variation rigidity, and its structure is very simple, and easily manufacture, cost is lower.
Preferably, described female splines connecting portion comprises the female splines that some radial directions are arranged, and forms internal keyway between described female splines;
Described male splines connecting portion comprises the male splines that some radial directions are arranged, and forms outside keyway between described male splines; Described male splines inserts in described internal keyway, and described female splines inserts in described outside keyway;
Described stabilizer rod can relatively described hollow torsion bar free torsion in free torsion angle 2a, and described free torsion angle 2a is 10-20 degree.
Preferably, described torsion bar section two ends form the varying diameter portion that radial direction reduces, and this varying diameter portion are formed described male splines connecting portion.
Preferably, the number of described female splines and described male splines is 3-6.
Preferably, the number of described female splines and described male splines is 4.
Preferably, the external diameter of described stabilizer rod is 10-50mm.
Preferably, described female splines connecting portion and the described male splines connecting portion place of being connected outer cover are equipped with fixed hub.
Meanwhile, the utility model embodiment second aspect provides a kind of suspension assembly, and it comprises the variation rigidity stabilizator rod structure described in above-mentioned first aspect.
The above-mentioned suspension assembly that the utility model embodiment provides, owing to have employed above-mentioned variation rigidity stabilizator rod structure, only need be set with outward a hollow torsion bar at existing stabilizer rod, the function of stabilizator rod structure variation rigidity can be realized, its structure is very simple, and easily manufacture, cost is lower.So, while achieving variation rigidity function, also namely simplify the structure of suspension assembly, reduce the cost of suspension assembly.
Meanwhile, the utility model embodiment third aspect provides a kind of automobile, and it comprises the suspension assembly described in second aspect.
The above-mentioned automobile that the utility model embodiment provides, owing to having installed the above-mentioned suspension assembly with variation rigidity stabilizator rod structure, has also made vehicle structure simplify further, reduces auto cost.
Accompanying drawing explanation
Fig. 1 is the variation rigidity stabilizator rod structure schematic perspective view provided in the utility model detailed description of the invention;
Fig. 2 is the male splines connecting portion schematic perspective view provided in the utility model detailed description of the invention;
Fig. 3 is the female splines connecting portion schematic perspective view provided in the utility model detailed description of the invention;
Fig. 4, Fig. 5 are that the male splines connecting portion that provides in the utility model detailed description of the invention and female splines connecting portion are connected generalized section;
Fig. 6 is stabilizer rod twist angle and stabilizer rod stiffness relation schematic diagram;
Fig. 7 is automobile side angle acceleration/accel and vehicle roll angular dependence schematic diagram.
Wherein, 1, stabilizer rod; 2, hollow torsion bar; 3, fixed hub; 11, twist section; 12, linkage section; 111, male splines connecting portion; 1111, outside keyway; 1112, male splines; 21, female splines connecting portion; 211, female splines; 212, internal keyway.
Detailed description of the invention
The technical matters solved to make the utility model, technical scheme and beneficial effect are clearly understood, below in conjunction with drawings and Examples, are further elaborated to the utility model.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the first embodiment of the present utility model provides a kind of variation rigidity stabilizator rod structure, comprises stabilizer rod 1 and hollow torsion bar 2;
Described stabilizer rod 1 comprises the twist section 11 being positioned at centre portion and the linkage section 12 being positioned at described twist section 11 two ends;
Concrete, as shown in Figure 3, the two ends inwall of described hollow torsion bar 2 is provided with female splines connecting portion 21; As shown in Figure 2, described twist section 11 is provided with the male splines connecting portion 111 corresponding with the female splines connecting portion 21 of described hollow torsion bar 2;
As shown in Figure 4, Figure 5, described hollow torsion bar 2 is sleeved in described twist section 11, and described female splines connecting portion 21 and described male splines connecting portion 111 are connected.
This hollow torsion bar 2 is hollow tube structure, and the internal diameter of its hollow tube is greater than the external diameter of stabilizer rod 1, is sleeved on outside the twist section 11 of described stabilizer rod 1 by this hollow torsion bar 2 to facilitate.Its material can select metal or the alloy of good springiness; Make this hollow torsion bar 2 possess the effect of similar torsion spring, possess certain elasticity of torsion.
Wherein, described female splines connecting portion 21 comprises the female splines 211 that some radial directions are arranged, and forms internal keyway 212 between described female splines; This female splines 211 radially extends to the direction of the center shaft of this hollow loop bar 2.
Described male splines connecting portion 111 comprises the male splines 1112 that some radial directions are arranged, and forms outside keyway 1111 between described male splines 1112; Described male splines 1112 inserts in described internal keyway 212, and described female splines 211 inserts in described outside keyway 1111; This male splines 1112 radially extends to the direction away from this stabilizer rod 1 center shaft.
The top of this male splines 1112 and the hollow torsion bar 21 of the bottom support of internal keyway 212, and allow this hollow torsion bar 2 to rotate around the central axis of stabilizer rod 1 twist section 11.
Above-mentioned female splines 211 is evenly arranged on this female splines connecting portion 21, and this male splines 1112 is evenly arranged on this male splines connecting portion 111.
As shown in Figure 4, Figure 5, described stabilizer rod 2 can relatively described hollow torsion bar 2 free torsion (cw reverse or conter clockwise torsion) in a certain setting value (being called free torsion angle 2a for convenience of understanding), and the meaning of this free torsion is exactly that hollow torsion bar does not work with stabilizer rod 1.Suppose that the width of this male splines 1112 and the width of internal keyway 212 are all converted into angle, the angle that then angle of internal keyway 212 equals male splines 1112 adds 2a, so, namely this male splines 1112 can within it 2a angular range intort in keyway 212, and male splines 1112 is not contacted with female splines 211, now, stabilizer rod 1 is only had to work, hollow torsion bar 2 is also inoperative, when only having the windup-degree of male splines 1112 and female splines 211 more than 2a, male splines 1112 just can be made to contact this with female splines 211, and now, hollow torsion bar 2 and stabilizer rod 1 all work.About this free torsion angle 2a, be not particularly limited, those skilled in the art describe according to this example, and can specifically arrange in a particular application, in such as this example, described free torsion angle 2a is 10-20 degree.
Wherein, as shown in Figure 2, described torsion bar section 11 two ends form the varying diameter portion that radial direction reduces, and this varying diameter portion are formed described male splines connecting portion 111.
The number of described female splines 211 and described male splines 1112 is not particularly limited, and as preferred embodiment, can be 3-6.In this example, the number of described female splines 211 and described male splines 1112 is 4.
Wherein, the external diameter of described stabilizer rod 1 is 10-50mm.
As shown in Figure 1, described female splines connecting portion 21 and described male splines connecting portion 111 place of being connected outer cover are equipped with fixed hub 3.This fixed hub 3 can prevent hollow torsion bar transverse shifting.Meanwhile, this stabilizer rod 1 is fixed by this fixed hub 3.
Below in conjunction with Fig. 4-Fig. 7, specific explanations explanation is carried out to the working process of its variation rigidity stabilizer rod: when vehicle right and left wheel together bob, stabilizer rod 1 rotates but does not twist, and hollow torsion bar 2 rotates with stabilizer rod 1, and stabilizer rod 1 is all inoperative with hollow torsion bar 2.As shown in Figure 7, the lateral acceleration of vehicle affects vehicle side inclination angle for the lateral acceleration of vehicle and vehicle roll angular dependence, when lateral acceleration exceedes certain predetermined acceleration g
1time, stabilizer rod 1 works, and controls vehicle roll.As shown in Figure 6, such as when left and right wheels is oppositely beated, stabilizer rod 1 twists for the twist angle of stabilizer rod 1 and the relation of stabilizer rod rigidity, and stabilizer rod 1 plays the effect controlling vehicle roll.When the windup-degree of stabilizer rod 1 are less than 2a, as shown in Figure 4, the male splines 1112 on stabilizer rod 1 is arranged in the internal keyway 212 on hollow torsion bar 2, does not contact with the female splines 211 on hollow torsion bar 2, only has stabilizer rod 1 to work.When the windup-degree of stabilizer rod 1 reach 2a, as shown in Figure 5, stabilizer rod 1 male splines 1112 contacts with hollow torsion bar 2 female splines 211, continuation along with windup-degree increases hollow torsion bar 2 and starts to play a role, now the rigidity of stabilizer rod 1 structure increases, and so just makes stabilizer rod 1 be provided with two rigidity.If windup-degree exceed its maximum twist angle, damage may be caused to stabilizer rod.
Be arranged on automobile by this variation rigidity stabilizator rod structure, when vehicle roll angle is less, only have stabilizer rod 1 to work, suspension roll stiffness is less, and being conducive to provide like this on reverse road surface is the traveling comfort that vehicle travels; When body roll angle is larger, hollow torsion bar 2 works, and suspension roll stiffness becomes large, improves vehicle anti-roll capability, reduces vehicle roll angle, reduces body roll speed, improves the stability of negotiation of bends, makes driving more comfortable.
The above-mentioned variation rigidity stabilizator rod structure that the utility model embodiment provides, only need at the outer suit of existing stabilizer rod 1 one hollow torsion bar 2, and can realize the function of stabilizator rod structure variation rigidity, its structure is very simple, and easily manufacture, cost is lower.
Meanwhile, the second embodiment of the present utility model provides a kind of suspension assembly, and it comprises the variation rigidity stabilizator rod structure described in above-mentioned first embodiment.Owing to not making change to other structures of suspension assembly in this example, and only improve this variation rigidity stabilizator rod structure, because this variation rigidity stabilizator rod structure illustrates in the above-described first embodiment, therefore repeat no more.
The above-mentioned suspension assembly that the utility model embodiment provides, owing to have employed above-mentioned variation rigidity stabilizator rod structure, only need at the outer suit of existing stabilizer rod 1 one hollow torsion bar 2, the function of stabilizator rod structure variation rigidity can be realized, its structure is very simple, and easily manufacture, cost is lower.So, while achieving variation rigidity function, also namely simplify the structure of suspension assembly, reduce the cost of suspension assembly.
Meanwhile, the 3rd embodiment of the present utility model provides a kind of automobile, and it comprises the suspension assembly described in above-mentioned second embodiment.Also improvement is not made to other parts of automobile in this example, and only improve the variation rigidity stabilizator rod structure in suspension assembly, and this variation rigidity stabilizator rod structure has done specific explanations explanation in the above-described first embodiment, therefore, repeats no more.
The above-mentioned automobile that the utility model embodiment provides, owing to having installed the above-mentioned suspension assembly with variation rigidity stabilizator rod structure, has also made vehicle structure simplify further, reduces auto cost.
Adopt the variation rigidity stabilizator rod structure originally making utility model provide, because it has only been set with a hollow torsion bar outward in the twist section of traditional stabilizer rod, the rigidity of stabilizer rod own is relatively little, when the windup-degree of this stabilizer rod are less, hollow torsion bar does not act on, and the traveling comfort of vehicle is better, when windup-degree are greater than setting value, hollow torsion bar starts to work, and now the rigidity of stabilizer rod increases, and so just makes stabilizer rod be provided with two rigidity.In order to reduce to roll, avoid vehicle rollover, improve stability and the safety of vehicle.Its structure is relatively more simple, and reduce the technology difficulty making and assemble, cost is lower.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a variation rigidity stabilizator rod structure, is characterized in that, comprises stabilizer rod and hollow torsion bar;
Described stabilizer rod comprises the twist section being positioned at centre portion and the linkage section being positioned at described twist section two ends;
Wherein, the two ends inwall of described hollow torsion bar is provided with female splines connecting portion; Described twist section is provided with the male splines connecting portion corresponding with the female splines connecting portion of described hollow torsion bar;
Described hollow torsion bar is sleeved in described twist section, and described female splines connecting portion and described male splines connecting portion are connected.
2. variation rigidity stabilizator rod structure according to claim 1, is characterized in that, described female splines connecting portion comprises the female splines that some radial directions are arranged, and forms internal keyway between described female splines;
Described male splines connecting portion comprises the male splines that some radial directions are arranged, and forms outside keyway between described male splines; Described male splines inserts in described internal keyway, and described female splines inserts in described outside keyway;
Described stabilizer rod can relatively described hollow torsion bar free torsion in free torsion angle 2a, and wherein, described free torsion angle 2a is 10-20 degree.
3. variation rigidity stabilizator rod structure according to claim 2, is characterized in that, described torsion bar section two ends form the varying diameter portion that radial direction reduces, and this varying diameter portion are formed described male splines connecting portion.
4. variation rigidity stabilizator rod structure according to claim 2, is characterized in that, the number of described female splines and described male splines is 3-6.
5. variation rigidity stabilizator rod structure according to claim 4, is characterized in that, the number of described female splines and described male splines is 4.
6. according to the variation rigidity stabilizator rod structure in claim 1-5 described in any one, it is characterized in that, the external diameter of described stabilizer rod is 10-50mm.
7. according to the variation rigidity stabilizator rod structure in claim 1-5 described in any one, it is characterized in that, described female splines connecting portion and the described male splines connecting portion place of being connected outer cover are equipped with fixed hub.
8. a suspension assembly, is characterized in that, comprises the variation rigidity stabilizator rod structure in claim 1-7 described in any one.
9. an automobile, is characterized in that, comprises suspension assembly according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749846.0U CN204263876U (en) | 2014-12-03 | 2014-12-03 | A kind of variation rigidity stabilizator rod structure, suspension assembly and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420749846.0U CN204263876U (en) | 2014-12-03 | 2014-12-03 | A kind of variation rigidity stabilizator rod structure, suspension assembly and automobile |
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| Publication Number | Publication Date |
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| CN204263876U true CN204263876U (en) | 2015-04-15 |
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| CN201420749846.0U Expired - Fee Related CN204263876U (en) | 2014-12-03 | 2014-12-03 | A kind of variation rigidity stabilizator rod structure, suspension assembly and automobile |
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| CN (1) | CN204263876U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106240279A (en) * | 2016-08-15 | 2016-12-21 | 郑州宇通客车股份有限公司 | A kind of vehicle and transverse arresting apparatus, stabiliser bar rocking arm |
| CN106494176A (en) * | 2016-10-13 | 2017-03-15 | 重庆工商大学 | Detachable QS |
| CN106696633A (en) * | 2015-07-28 | 2017-05-24 | 长城汽车股份有限公司 | Vehicle stabilizer bar assembly |
| CN108909399A (en) * | 2018-07-13 | 2018-11-30 | 北京汽车股份有限公司 | Automobile transverse arresting apparatus and automobile |
| CN109130765A (en) * | 2018-08-07 | 2019-01-04 | 北京汽车股份有限公司 | Stabilizer bar for suspension system structure and vehicle |
| CN112223970A (en) * | 2020-10-10 | 2021-01-15 | 中国重汽集团济南动力有限公司 | Auxiliary spring device using torsion bar as elastic element |
| CN113562012A (en) * | 2021-07-20 | 2021-10-29 | 株洲时代新材料科技股份有限公司 | Variable-rigidity anti-rolling torsion bar device and rigidity changing method thereof |
-
2014
- 2014-12-03 CN CN201420749846.0U patent/CN204263876U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106696633A (en) * | 2015-07-28 | 2017-05-24 | 长城汽车股份有限公司 | Vehicle stabilizer bar assembly |
| CN106696633B (en) * | 2015-07-28 | 2019-02-26 | 长城汽车股份有限公司 | Vehicle stabilizer bar assembly |
| CN106240279A (en) * | 2016-08-15 | 2016-12-21 | 郑州宇通客车股份有限公司 | A kind of vehicle and transverse arresting apparatus, stabiliser bar rocking arm |
| CN106494176A (en) * | 2016-10-13 | 2017-03-15 | 重庆工商大学 | Detachable QS |
| CN108909399A (en) * | 2018-07-13 | 2018-11-30 | 北京汽车股份有限公司 | Automobile transverse arresting apparatus and automobile |
| CN109130765A (en) * | 2018-08-07 | 2019-01-04 | 北京汽车股份有限公司 | Stabilizer bar for suspension system structure and vehicle |
| CN112223970A (en) * | 2020-10-10 | 2021-01-15 | 中国重汽集团济南动力有限公司 | Auxiliary spring device using torsion bar as elastic element |
| CN112223970B (en) * | 2020-10-10 | 2022-05-31 | 中国重汽集团济南动力有限公司 | Auxiliary spring device using torsion bar as elastic element |
| CN113562012A (en) * | 2021-07-20 | 2021-10-29 | 株洲时代新材料科技股份有限公司 | Variable-rigidity anti-rolling torsion bar device and rigidity changing method thereof |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150415 Termination date: 20211203 |
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| CF01 | Termination of patent right due to non-payment of annual fee |