CN201863666U - Automobile and suspension device thereof - Google Patents
Automobile and suspension device thereof Download PDFInfo
- Publication number
- CN201863666U CN201863666U CN201020585427XU CN201020585427U CN201863666U CN 201863666 U CN201863666 U CN 201863666U CN 201020585427X U CN201020585427X U CN 201020585427XU CN 201020585427 U CN201020585427 U CN 201020585427U CN 201863666 U CN201863666 U CN 201863666U
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- automobile
- elastic element
- draft hitch
- longitudinal tie
- utility
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Abstract
The utility model discloses a suspension device, which is used for an automobile and comprises elastic elements (13) and lower longitudinal draw bars (11). The lower longitudinal draw bars (11) are parallel to a longitudinal central plane of the automobile, the elastic elements (13) are mounted on the lower longitudinal draw bars (11), and retraction directions of the elastic elements (13) are parallel to the vertical direction of the automobile. The elastic elements (13) in the suspension device are arranged on the lower longitudinal draw bars (11), the mounting heights of the elastic elements (13) on the vertical direction of the automobile are increased, the height of an automobile body is reduced, simultaneously the distance between the two elastic elements (13) along the left-right direction of the automobile is also increased, turning handling stability of the automobile is improved, requirements of high-performance adjustment and matching can be met, and accordingly, the service range of a suspension is enlarged. In addition, the utility model further includes the automobile which comprises the suspension device.
Description
Technical field
The utility model relates to the AE field, particularly relates to a kind of draft hitch that is used for automobile.In addition, the utility model also relates to a kind of automobile that comprises above-mentioned draft hitch.
Background technology
Draft hitch is the general name of all the power transmission connecting devices between vehicle frame (or self-supporting body) and the vehicle bridge (or wheel), is one of automobile important composition parts.Draft hitch is divided into independent suspension and dependent suspension by structure, and wherein dependent suspension is widely used in the forward and backward suspension of lorry and the rear suspension of car.
Please refer to Fig. 1, Fig. 1 is a kind of many link-types of representative type dependent suspension structural representation in the prior art.
Many link-types dependent suspension is mainly used in the rear suspension of car, and uses under the situation of left-right integratedization of back axle, mainly is made up of connecting rod mechanism, coil spring and bumper.Connecting rod mechanism plays a part to transmit longitudinal force (automobile propulsive effort), and pair of links is each side arranged, and wherein first connecting rod 1 and second connecting rod 2 are called longitudinal tie down; Third connecting rod 3 and the 4th connecting rod 4 are called longitudinal tie; Following longitudinal tie and last longitudinal tie combine and control the change in location of wheel.
By connecting rod being connected the constrain angle design in motor point, make many connecting rods dependent suspension when compression, can initiatively adjust wheel alignment, because this Design freedom is very big, make it do adjustment and coupling at vehicle fully.
Wherein, first coil spring 5 in many link-types suspension and second coil spring, 6 symmetrical being installed in down on the longitudinal tie, by first coil spring 5 and second coil spring, the 6 flexible kinetic energy that absorb wheel, mitigation is travelled and is faced the impact of vehicle body middlely, improved the traveling comfort of taking, the soft more traveling comfort of spring is good more; Another function of coil spring keeps tire to contact with ground fully exactly simultaneously, makes automobile keep stable posture under steam, improves road-holding property, and the hard more road-holding property of spring is good more.
From the above, travelling comfort is two aspects that oppose mutually with controlling stability, during automobile sport, realizes traveling comfort and stable rational Match by the suspension adjustment.Aspect the adjustment and coupling of traveling comfort and road-holding property, many link-types suspension is a kind of preferably version of performance in numerous suspension kinds, and it can satisfy the use to different energy performance requriementss, therefore can satisfy the operating needs of multiple vehicle.
But along with development of science and technology, people have higher requirement to the traveling comfort of automobile, the corresponding higher road-holding property that is complementary with it of also needing.Many link-types suspension of existing vehicle is because helical spring layout is subjected to the influence of space factor, take very big space vertical, make auto body height height, automobile turning operation stabilization performance is relatively poor, can not satisfy high-comfort requirement, thereby limit the field of application of many link-types suspension.
Therefore, how to improve suspension frame structure, increase the automobile turning road-holding property, satisfy many link-types suspension and make high-effect adjustment and coupling, making many link-types suspension can be applied even more extensively in the vehicle that needs traveling comfort and road-holding property equilibrium is the technical matters that those skilled in the art need to be resolved hurrily at present.
The utility model content
The purpose of this utility model provides a kind of draft hitch that is used for automobile, and it significantly increases the automobile lateral stability, thereby satisfies High Performance adjustment and coupling, has enlarged the field of application of this draft hitch.Another purpose of the present utility model provides a kind of automobile that comprises above-mentioned draft hitch.
For solving the problems of the technologies described above, the utility model provides a kind of draft hitch, be used for automobile, comprise elastic element and following longitudinal tie, described longitudinal tie down is parallel to the longitudinal median plane setting of described automobile, described elastic element is installed on the described longitudinal tie down, and the flexible direction of described elastic element is parallel to the above-below direction of described automobile.
Preferably, described elastic element lower end part is in the described inside of longitudinal tie down.
Preferably, described longitudinal tie down has entity structure, and described longitudinal tie upper top down is provided with groove, and the bottom of described groove is provided with pedestal, and the bottom of described elastic element is seated on the described pedestal.
Preferably, described longitudinal tie down is the housing with hollow structure, and the top board of described housing offers through hole, and the base plate of described housing is provided with pedestal, and described through hole is passed in the bottom of described elastic element, is seated on the described pedestal.
Preferably, described elastic element is a coil spring.
Preferably, described elastic element is the cylindrical helical spring of linear rigidity.
Preferably, described pedestal is the spiral fashion boss.
For solving the problems of the technologies described above, the utility model also provides a kind of automobile, comprises chassis and the draft hitch that is installed on described chassis, and described draft hitch is above each described draft hitch.
The draft hitch that is used for automobile that the utility model provides, comprise elastic element and following longitudinal tie, described longitudinal tie down is parallel to the longitudinal median plane setting of described automobile, described elastic element is installed on the described longitudinal tie down, and the flexible direction of described elastic element is parallel to the above-below direction of described automobile.Compared with prior art, the draft hitch that the utility model provides is transferred to down the installation site of elastic element on the longitudinal tie by axletree, has reduced the installation site of elastic element, has increased the height space of elastic element, thereby significantly reduces bodywork height; Simultaneously elastic element being installed in has down also increased the distance of elastic element along axial direction on the longitudinal tie, significantly increased the automobile lateral stability, thereby satisfied High Performance adjustment and coupling, has enlarged the field of application of draft hitch.
Description of drawings
Fig. 1 is a kind of many link-types of representative type dependent suspension structural representation in the prior art;
Fig. 2 provides the structural representation of a kind of specific embodiment of draft hitch for the utility model;
The scheme drawing that Fig. 3 provides the installation site of elastic element in the draft hitch for installation site and the utility model of elastic element in the prior art draft hitch;
Fig. 4 is the cross-sectional schematic of the another kind of specific embodiment of draft hitch that the utility model provides.
The specific embodiment
The purpose of this utility model provides a kind of draft hitch that is used for automobile, and it has significantly increased the lateral stability of automobile, thereby satisfies High Performance adjustment and coupling, has enlarged the field of application of this draft hitch.Another purpose of the present utility model provides a kind of automobile that comprises above-mentioned draft hitch.
In order to make those skilled in the art person understand the utility model scheme better, the utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 2, Fig. 2 provides the structural representation of a kind of specific embodiment of draft hitch for the utility model.
In a kind of specific embodiment, draft hitch provided by the utility model has elastic element 13 and reaches longitudinal tie 11 down, one end of elastic element 13 is connected in down on the longitudinal tie 11, and the flexible direction of elastic element 13 is roughly along the bodywork height direction, and the other end can be connected on the vehicle frame.
Concrete, above-mentioned longitudinal tie 11 1 ends down can be articulated on the axletree 15 by hinged support, and the other end is connected on the vehicle frame, and some (for example two) longitudinal tie 11 down can be set in the draft hitch, is arranged at axletree 15 both sides respectively, and left-right symmetric distributes.
Usually, following longitudinal tie 11 works to transmit longitudinal force (automobile propulsive effort) and moment thereof in draft hitch, and elastic element 13 transmits vertical force.In sum, following longitudinal tie 11 in the draft hitch provided by the utility model also plays the effect of support elastic element 13, therefore also to bear vertical force from elastic element 13, therefore down longitudinal tie 11 must have enough rigidity and intensity to satisfy requirements of one's work, guarantees the safe reliability of using.
The rigging position of following longitudinal tie 11 in draft hitch generally is lower than axletree 15, in the present embodiment installation site of elastic element 13 is transferred to down on the longitudinal tie 11 by axletree 15, reduced the installation site of elastic element 13, increased the height space of elastic element 13, thereby significantly reduce bodywork height, increased the lateral stability of automobile.
In addition, elastic element 13 transverse distances also are factors that influences the automobile lateral stability, and the transverse pitch that elastic element is 13 is big more, and the automobile lateral stability is high more.
Please refer to Fig. 3, the scheme drawing that Fig. 3 provides the installation site of elastic element in the draft hitch for installation site and the utility model of elastic element in the prior art draft hitch.
In the prior art elastic element 13 is arranged on the axletree 15, the installation site of two elastic elements 13 on axletree 15 is respectively A and A ' (as shown in Figure 3), the transverse distance that elastic element is 13 is W0, the installation site of elastic element 13 is respectively B and B ' (as shown in Figure 3) in the draft hitch provided by the utility model, the transverse distance that elastic element is 13 is W1, obviously, W1 is much larger than W0, the corresponding lateral stability that increases automobile.
Further, above-mentioned elastic element 13 lower end parts can be connected in the above-mentioned inside of longitudinal tie 11 down, thereby the installation site that can reduce elastic element 13 has further increased the automobile lateral stability.
Concrete, following longitudinal tie 11 can be designed as the entity with definite shape, near can being set on the upper surface of axletree 15 ends, a cross-sectional plane is circular groove at it, its cross-sectional plane also can be square or other shapes, and groove can be as the container that holds elastic element 13 employed greases.Bottom portion of groove can be provided with the pedestal that matches with elastic element 13 bottoms, also pedestal can be set, with elastic element 13 direct mounts in groove, but the stability when pedestal being set more helping elastic element 13 installing and locating and increase elastic element 13 work.
By the connection mode of above-mentioned elastic element 13 and following longitudinal tie 11 as can be known, cantilever arrangement provided by the utility model has made full use of the thickness of time longitudinal tie 11, thereby the setting height(from bottom) of elastic element 13 in draft hitch significantly reduced, thereby saved the shared spatial altitude of draft hitch vertical direction in car body, and then reduced bodywork height, increased the automobile lateral stability.
Further, rubber mount can also be set on pedestal, elastic element 13 is installed in down by rubber mount in the groove of longitudinal tie 11, the wearing and tearing of 11 of elastic element 13 and following longitudinal ties in the time of not only can reducing automobile sport, and can increase the reliability that power is transmitted.
It is pointed out that being connected of above-mentioned elastic element 13 and following longitudinal tie 11, can not be interpreted as narrowly that an end of elastic element 13 must be directly connected in down on the longitudinal tie 11; Elastic element 13 can directly be connected with following longitudinal tie 11, also can realize both connections by bearing and the adjacent structure that is arranged on down on the longitudinal tie 11.In any case, guarantee that elastic element 13 is safe and reliable at work with being connected of following longitudinal tie 11.
The helical spring flexible wheel transversal displacement that causes is very little, be difficult for causing non-rectilinear to travel, and coil spring do not have need lubricate, anti-fouling is strong, take the characteristics that longitudinal space is little, the quality of spring own is little, do not need in the use it is carried out maintenance, and vehicle handling stability also compares higher.Elastic element 13 also can be other elastic element that plays buffer action, for example air bellows.
Above-mentioned draft hitch is further improved, and elastic element 13 also can be other variable stiffness coil springs such as the cylindrical helical spring of linear rigidity, for example taper, cydariform, variable pitch.
Specifically, elastic element 13 has two main functions in automobile: the one, as suspension system or chassis and ground-surface buffering, just keep traveling comfort; The 2nd, make vehicle when passing through uneven road surface, keep the ground connection property of tire.Reach these two afoul targets and need different spring ratios.Keep the ground connection property of tire that riding stability is had decisive influence, need hard spring to set, keep ground connection property.But just need soft more spring to set on the road surface of jolting more.Will reach this two purposes simultaneously, use (nonlinear spring) spring with composite elastic coefficient, just general so-called gradual spring is unique feasible method.
Conical coil spring is exactly a kind of of gradual change spring, and the variation that utilizes spring to enclose the footpath up and down realizes changing spring ratio, along with the corresponding increase of compression of spring spring ratio.Pass through when jolting the road surface, spring ratio will increase that to keep vehicle body stable, and initial spring ratio is softer then to be used for improving the tire ground connection property when jolting the road surface of passing through, and the spring of hardening can be avoided the situation that the end appears sitting in draft hitch or spring gradually.
In addition, stiffness variable is helical spring allows that the constant helical spring use of use aspect ratio rigidity is highly low, can further reduce the vehicle body center of gravity, reduce the corresponding vehicle handling stability that increased of vehicle body center of gravity, and keep minimum and the shortest suspension travel when jolting the road surface passing through, avoid occurring sitting end situation.
Further, above-mentioned draft hitch can be five link lever suspension fork devices, and it can also comprise longitudinal tie 12 and intermediate rod 14, and longitudinal tie 12 is positioned at longitudinal tie 11 tops down on it, last longitudinal tie 12 1 ends can be connected with axletree 15 by support, transmit longitudinal force with following longitudinal tie 11; Intermediate rod 14 installation directions and axletree 15 transmit transverse force roughly in the same way in automobile sport.
Please refer to Fig. 4, Fig. 4 is the cross-sectional schematic of the another kind of specific embodiment of draft hitch that the utility model provides.
In the another kind of specific embodiment, the following longitudinal tie 11 in the draft hitch provided by the utility model can be designed to the housing (as shown in Figure 4) of hollow structure.The top board 111 of housing can be offered manhole near the axletree end, on the base plate 112 of housing boss pedestal 113 can be set, the manhole on the top board 111 is passed in the bottom of elastic element 13, be seated down on the pedestal 113 of longitudinal tie 11 base plates, near the cross-sectional width of the part following longitudinal tie 11 position of opening is greater than the width of other parts.
To descend longitudinal tie 11 to be designed to housing structure, make it have better space transmission force property, can be with less member thickness formation load-carrying capacity height, the load larrying member that rigidity is big, the double action of load larrying member and the building enclosure can held concurrently, and can save structural materials, alleviate the weight of draft hitch, help improving vehicle handling stability and its usage economy.
Except above-mentioned draft hitch, the utility model also provides a kind of automobile that comprises the described draft hitch of above-mentioned any specific embodiment, and simultaneously, this automobile also comprises the chassis, and other structures of above-mentioned automobile see also prior art, and this paper repeats no more.
More than automobile provided by the utility model and draft hitch thereof are described in detail.Used specific case herein principle of the present utility model and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present utility model and core concept thereof.Should be understood that; for those skilled in the art; under the prerequisite that does not break away from the utility model principle, can also carry out some improvement and modification to the utility model, these improvement and modification also fall in the protection domain of the utility model claim.
Claims (8)
1. draft hitch, be used for automobile, comprise elastic element (13) and following longitudinal tie (11), described longitudinal tie (11) down is parallel to the longitudinal median plane setting of described automobile, it is characterized in that, described elastic element (13) is installed on the described longitudinal tie (11) down, and the flexible direction of described elastic element (13) is parallel to the above-below direction of described automobile.
2. draft hitch as claimed in claim 1 is characterized in that described elastic element (13) lower end part is in the described inside of longitudinal tie (11) down.
3. draft hitch as claimed in claim 2, it is characterized in that described longitudinal tie (11) down has entity structure, described longitudinal tie (11) upper top down is provided with groove, and the bottom of described groove is provided with pedestal, and the bottom of described elastic element (13) is seated on the described pedestal.
4. draft hitch as claimed in claim 2, it is characterized in that described longitudinal tie (11) down is for having the housing of hollow structure, the top board of described housing (111) offers through hole, the base plate of described housing (112) is provided with pedestal (113), described through hole is passed in the bottom of described elastic element (13), is seated on the described pedestal (113).
5. as each described draft hitch of claim 1 to 4, it is characterized in that described elastic element (13) is a coil spring.
6. draft hitch as claimed in claim 5 is characterized in that described elastic element (13) is the cylindrical helical spring of linear rigidity.
7. as claim 3 or 4 described draft hitchs, it is characterized in that described pedestal (113) is the spiral fashion boss.
8. an automobile comprises vehicle frame and the draft hitch that is installed on described vehicle frame, it is characterized in that described draft hitch is each described draft hitch of claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020585427XU CN201863666U (en) | 2010-10-29 | 2010-10-29 | Automobile and suspension device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020585427XU CN201863666U (en) | 2010-10-29 | 2010-10-29 | Automobile and suspension device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201863666U true CN201863666U (en) | 2011-06-15 |
Family
ID=44134831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020585427XU Expired - Fee Related CN201863666U (en) | 2010-10-29 | 2010-10-29 | Automobile and suspension device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201863666U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235462A (en) * | 2015-10-26 | 2016-01-13 | 上汽通用五菱汽车股份有限公司 | Suspension control arm |
| CN107458166A (en) * | 2017-07-31 | 2017-12-12 | 安徽江淮汽车集团股份有限公司 | A kind of draft hitch |
-
2010
- 2010-10-29 CN CN201020585427XU patent/CN201863666U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105235462A (en) * | 2015-10-26 | 2016-01-13 | 上汽通用五菱汽车股份有限公司 | Suspension control arm |
| CN107458166A (en) * | 2017-07-31 | 2017-12-12 | 安徽江淮汽车集团股份有限公司 | A kind of draft hitch |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20110615 Termination date: 20141029 |
|
| EXPY | Termination of patent right or utility model |