CN210680316U - Vehicle and suspension system thereof - Google Patents
Vehicle and suspension system thereof Download PDFInfo
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- CN210680316U CN210680316U CN201920994029.4U CN201920994029U CN210680316U CN 210680316 U CN210680316 U CN 210680316U CN 201920994029 U CN201920994029 U CN 201920994029U CN 210680316 U CN210680316 U CN 210680316U
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Abstract
The utility model relates to a suspension system technical field, concretely relates to vehicle and suspension system thereof. Suspension system for vehicle includes the axle, and both ends are equipped with the leaf spring that extends around respectively about the axle, and the both ends branch of leaf spring is located the front and back both ends of axle, wherein one end in the leaf spring both ends is for being used for the frame link end that links to each other with the frame, the other end of leaf spring is equipped with the coil spring subassembly, and the coil spring subassembly includes the coil spring of vertical extension and is located the connection structure that is used for linking to each other with the frame of upper end. Increase two sets of coil spring subassemblies on the basis of leaf spring, and coil spring extends along vertical direction, and two sets of coil spring subassemblies can be in the better absorption vehicle of the left and right sides of vehicle vibration load in vertical side like this, and when improving vehicle suspension system's ride comfort jointly with the leaf spring, promoted the anti performance of heeling of vehicle, the better technical problem who solves among the prior art the anti performance of heeling poor of vehicle.
Description
Technical Field
The utility model relates to a suspension system technical field, concretely relates to vehicle and suspension system thereof.
Background
Good controllability, anti-roll characteristics and ride comfort need to be guaranteed during the driving of the vehicle. Traditional leaf spring suspension make full use of the elastic characteristic of leaf spring for the passenger train has good anti roll characteristic, but the rigidity of leaf spring is higher, has caused leaf spring suspension system's vibration isolation nature relatively poor, and the ride comfort is not good. With the development of suspension technology, some novel vehicles adopt an all-air suspension system mainly comprising an air bag, the vibration load of the all-air suspension system is mainly born by the air bag, and the all-air suspension system has the advantages of light weight, good comfort, good vibration isolation performance, good smoothness and the like, but the anti-roll performance of the all-air suspension system is poor, and the cost of the air bag is high.
To this end, chinese utility model patent document No. CN204136718U discloses a composite air suspension system for vehicle, which comprises a first leaf spring and a second leaf spring relatively disposed at the bottom of the vehicle frame, wherein the front ends of the two leaf springs are respectively connected to the vehicle frame, and the rear ends of the two leaf springs are respectively connected to the vehicle frame through an air bag. The suspension system combines the steel plate spring and the air bags, and two air bags are added on the basis of the steel plate spring, so that the vibration isolation performance and the smoothness of the vehicle are improved to a certain extent while the anti-roll performance of the vehicle is ensured.
However, the suspension system still has certain problems, because the anti-roll performance of the air bag is poor, the anti-roll performance of the whole suspension system is still poor, and the poor anti-roll performance can cause the potential safety hazards of rollover and the like in the driving process of the vehicle.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a suspension system for a vehicle, which is used for solving the technical problem of poor anti-roll performance of the vehicle in the prior art; the utility model aims at providing a vehicle still lies in providing a technical problem for solve the vehicle and lead to the vehicle to have the potential safety hazard in the driving process because of suspension system's anti heeling performance is poor.
In order to achieve the above object, the present invention provides a suspension system for a vehicle, which comprises:
suspension system for vehicle, including the axle, both ends are equipped with the leaf spring that extends around respectively about the axle, and the both ends branch of leaf spring is located the front and back both ends of axle, wherein one end in the leaf spring both ends is for being used for the frame link end that links to each other with the frame, the other end of leaf spring is equipped with coil spring assembly, and coil spring assembly includes the coil spring of vertical extension and is located the connection structure that is used for linking to each other with the frame of upper end.
The beneficial effects of the above technical scheme are: the utility model provides an among the suspension system for vehicle, set up the coil spring subassembly on the leaf spring, the vertical extension of coil spring among the coil spring subassembly, the absorption vehicle that coil spring can be better is at the ascending vibration load of vertical side, moreover, compare air bag, coil spring's lateral stability is better, leaf spring compares with prior art in combination of leaf spring and air bag, make the anti performance of heeling of vehicle more excellent after leaf spring combines with coil spring, the anti performance of heeling of vehicle has been improved, the potential safety hazard that the vehicle exists at the in-process of traveling has been reduced.
Further, an intermediate beam is connected between the ends of the two plate springs, which are provided with the spiral spring assemblies. The middle cross beam can bear the lateral force of the vehicle body, and the anti-roll performance of the vehicle is further improved.
Further, the middle cross beam comprises a U-shaped part with a downward opening, and also comprises connecting turnover parts which are arranged on the front side and the rear side of the U-shaped part and connected with the leaf springs, and the spiral spring assemblies are arranged on the corresponding leaf springs by being arranged at the end parts of the middle cross beam. The U-shaped part and the connecting turned edge part form a middle cross beam together, and the middle cross beam has higher strength; compare in coil spring snap-on the leaf spring, coil spring sets firmly on the leaf spring through middle crossbeam, need not set up too much connection perforation on the leaf spring, has reduced the processing to the leaf spring, has also avoided the influence to leaf spring intensity.
Furthermore, a plurality of lightening holes are arranged on the middle cross beam at intervals along the extending direction of the middle cross beam. The lightening holes reduce the weight of the middle cross beam and the unsprung weight.
Further, both ends of the plate spring are elastic ends with the thickness gradually reduced from the middle to the end along the extension direction of the plate spring. The elastic deformation quantity generated by the stress of the elastic end of the plate spring is relatively large, and the plate spring is connected with the frame through the two elastic ends, so that the absorption effect on the vibration load in the vertical direction is better, and the smoothness of the vehicle is favorably improved.
Furthermore, one end provided with the spiral spring sinks relative to the frame connecting end, so that the whole plate spring is of a Z-shaped structure. The one end that is equipped with bolt spring sinks to arrange, has reduced the height on bolt spring top, and when the frame height is definite, bolt spring's the number of turns can be more, and it is better to inhale the effect of shaking.
Further, the spiral spring assembly comprises a lower cover plate arranged at the lower end of the spiral spring to be connected with the plate spring and an upper cover plate arranged at the upper end of the spiral spring to form the connecting structure. The upper cover plate, the lower cover plate and the spiral spring form an assembly, and the assembly only needs to be directly assembled during assembly, so that the assembly is more convenient.
In order to achieve the above object, the utility model discloses the vehicle adopts following technical scheme:
the vehicle, including the frame and connect in the suspension system for the vehicle of frame bottom, the suspension system for the vehicle includes the axle, and both ends are equipped with the leaf spring that extends around respectively about the axle, and both ends around the axle are located to the both ends branch of leaf spring, wherein one end in the leaf spring both ends is for being used for the frame link end that links to each other with the frame, the other end of leaf spring is equipped with the coil spring subassembly, and the coil spring subassembly includes the coil spring of vertical extension and is located the connection structure that is used for linking to each other with the frame of upper end.
The beneficial effects of the above technical scheme are: the utility model provides an among the suspension system of vehicle, set up the coil spring subassembly on the leaf spring, the vertical extension of coil spring in the coil spring subassembly, the absorption vehicle that coil spring can be better is at the ascending vibration load of vertical side, moreover, compare air bag, coil spring's lateral stability is better, leaf spring compares with prior art in combination of leaf spring and air bag, make the anti performance of heeling of vehicle more excellent after leaf spring and coil spring combine, the anti performance of heeling of vehicle has been improved, the potential safety hazard that the vehicle exists at the in-process of traveling has been reduced.
Further, an intermediate beam is connected between the ends of the two plate springs, which are provided with the spiral spring assemblies. The middle cross beam can bear the lateral force of the vehicle body, and the anti-roll performance of the vehicle is further improved.
Further, the middle cross beam comprises a U-shaped part with a downward opening, and also comprises connecting turnover parts which are arranged on the front side and the rear side of the U-shaped part and connected with the leaf springs, and the spiral spring assemblies are arranged on the corresponding leaf springs by being arranged at the end parts of the middle cross beam. The U-shaped part and the connecting turned edge part form a middle cross beam together, and the middle cross beam has higher strength; compare in coil spring snap-on the leaf spring, coil spring sets firmly on the leaf spring through middle crossbeam, need not set up too much connection perforation on the leaf spring, has reduced the processing to the leaf spring, has also avoided the influence to leaf spring intensity.
Furthermore, a plurality of lightening holes are arranged on the middle cross beam at intervals along the extending direction of the middle cross beam. The lightening holes reduce the weight of the middle cross beam and the unsprung weight.
Further, both ends of the plate spring are elastic ends with the thickness gradually reduced from the middle to the end along the extension direction of the plate spring. The elastic deformation quantity generated by the stress of the elastic end of the plate spring is relatively large, and the plate spring is connected with the frame through the two elastic ends, so that the absorption effect on the vibration load in the vertical direction is better, and the smoothness of the vehicle is favorably improved.
Furthermore, one end provided with the spiral spring sinks relative to the frame connecting end, so that the whole plate spring is of a Z-shaped structure. The one end that is equipped with bolt spring sinks to arrange, has reduced the height on bolt spring top, and when the frame height is definite, bolt spring's the number of turns can be more, and it is better to inhale the effect of shaking.
Further, the spiral spring assembly comprises a lower cover plate arranged at the lower end of the spiral spring to be connected with the plate spring and an upper cover plate arranged at the upper end of the spiral spring to form the connecting structure. The upper cover plate, the lower cover plate and the spiral spring form an assembly, and the assembly only needs to be directly assembled during assembly, so that the assembly is more convenient.
Drawings
Fig. 1 is a schematic perspective view of a suspension system for a vehicle according to an embodiment of the present invention;
FIG. 2 is a left side view of an embodiment of a suspension system for a vehicle according to the present invention;
FIG. 3 is a schematic structural view of the leaf spring of FIG. 1;
description of reference numerals: 1-coil spring, 2-connecting bolt, 3-shock absorber, 4-middle beam, 5-shock absorber lower bracket, 6-shock absorber upper bracket, 7-plate spring, 8-transverse thrust rod pin shaft, 9-transverse thrust rod, 10-axle, 11-thrust rod bolt, 12-lower cover plate, 13-upper cover plate, 14-coil spring assembly, 15-lightening hole, 16-U-shaped part, 17-connecting flanging part, 18-elastic end, 19-U-shaped bolt and 20-plate spring pin shaft.
Detailed Description
The following describes the embodiments of the present invention with reference to the accompanying drawings.
The utility model discloses the concrete embodiment of suspension system for vehicle, as shown in FIG. 1 to FIG. 3:
this embodiment explains with non-independent suspension system as an example, the utility model discloses a suspension system also is applicable to independent suspension system. As shown in fig. 1 and 2, the suspension system includes an axle 10 and a suspension, and the left and right ends of the axle 10 are respectively provided with a leaf spring 7 extending in the front-rear direction, wherein the leaf spring 7 is mounted on the axle 10 by a U-bolt 19, and the two ends of the leaf spring 7 are respectively provided at the front and rear ends of the axle 10.
In this embodiment, during the assembly, the front end of the plate spring 7 is directly connected to the frame through the plate spring pin 20, so that the front end of the plate spring 7 forms a frame connection end, the middle cross beam 4 is connected between the rear ends of the two plate springs 7, and the rear ends of the two plate springs 7 are fixedly mounted on the coil spring assembly 14 through the middle cross beam 4.
The structure of the spiral spring assembly 14 is as shown in fig. 2, the spiral spring assembly 14 includes an upper cover plate 13 and a lower cover plate 12 which are arranged at an interval from top to bottom, a vertically extending spiral spring 1 is clamped between the upper cover plate and the lower cover plate, as can be seen from fig. 2, a guide rod which extends from top to bottom is further arranged on the lower cover plate 12, the upper end of the guide rod penetrates through the spiral spring 1 and the upper cover plate 13, and the guide rod is used for preventing the spiral spring 1 from generating large transverse deflection.
In assembly, the lower cover plate 12 is mounted on the intermediate cross member 4 and the upper cover plate 13 is attached to the vehicle frame such that the upper cover plate 13 forms a connection structure in the coil spring assembly 14 for attachment to the vehicle frame.
The structure of the middle cross beam 4 is shown in fig. 1, the middle cross beam 4 comprises a U-shaped part 16 and two connecting turned-over parts 17, the opening of the U-shaped part 16 faces downwards, the two connecting turned-over parts 17 are respectively arranged on the front side and the rear side of the U-shaped part 16, the U-shaped part 16 and the connecting turned-over parts 17 are of an integrated structure, the middle cross beam 4 is formed by the U-shaped part 16 and the connecting turned-over parts 17, and the forming strength of the middle cross beam 4 is guaranteed. The end of the left and right direction of the connecting turned-over part 17 is fixed at the rear end of the plate spring 7 through the assembling and connecting bolt 2 and the nut, and the end of the left and right direction of the U-shaped part 16 is also fixedly connected with the lower cover plate 12 of the spiral spring assembly 14 through the assembling bolt and the nut, so that the spiral spring assembly 14 is fixed on the plate spring 7 through the middle cross beam 4, compared with the way that the spiral spring 1 is directly fixed on the plate spring 7, the spiral spring 1 is fixed on the plate spring 7 through the middle cross beam 4, excessive connecting perforation does not need to be arranged on the plate spring 7, the processing of the plate spring to the plate spring 7 is reduced, and the influence on the strength. In addition, a plurality of lightening holes 15 are arranged on the middle cross beam 4 along the length extension direction of the middle cross beam 4, so that the weight of the middle cross beam 4 is reduced, and the production cost is also reduced to a certain extent.
As shown in fig. 3, the rear end of the plate spring 7 is sunk with respect to the end connected to the vehicle frame so that the plate spring 7 is integrally formed in a zigzag structure, thus allowing the coil spring 1 to be sunk and arranged, allowing the coil spring to be used with a greater number of turns when the vehicle frame is at a certain height, and simultaneously allowing the entire suspension system to be more compact in structure and occupy less space in the vehicle.
As can be seen from fig. 3, the two ends of the plate spring 7 become thinner gradually from the middle to the two ends in the extending direction, so that the two ends of the plate spring 7 form elastic ends 18, and since the plate spring 7 is connected with the frame through the elastic ends 18 at the two ends, the elastic deformation amount which can occur by the elastic end 18 with the smaller thickness is relatively larger, the effect of absorbing the vibration load in the vertical direction is also better, and the smoothness of the suspension system is improved.
As shown in fig. 1 and 2, the vehicle suspension system further includes a shock absorber 3, and a lateral thrust rod 9, wherein an upper end of the shock absorber 3 is connected to the vehicle frame through a shock absorber upper bracket 6, and a lower end of the shock absorber 3 is connected to the vehicle axle 10 through a shock absorber lower bracket 5. The left end of the transverse thrust rod 9 is fixedly connected with an axle 10 through a thrust rod bolt 11, and the right end is connected with a frame through a transverse thrust rod pin shaft 8. Through setting up bumper shock absorber 3, further promoted the ride comfort of vehicle, through setting up lateral thrust pole 9, further improved the lateral stability of vehicle.
The utility model discloses a vehicle is when driving, and leaf spring 7 bears the vibration load that the automobile body produced in the vertical direction simultaneously with coil spring subassembly 14. And the spiral spring assembly 14 is not easy to laterally deflect, so that the whole vehicle has higher anti-rolling performance.
In this embodiment, the leaf spring has a front end for connection to the vehicle frame and a rear end for fixedly mounting the coil spring assembly. In other embodiments, the rear end of the plate spring may be connected to the frame, and the front end may be used to fixedly mount the coil spring assembly.
In this embodiment, the assembly of the upper and lower cover plates facilitates the installation of the coil spring. In other embodiments, only the upper cover plate can be arranged, and the lower end of the spiral spring is pressed on the middle cross beam by the upper cover plate and is further arranged at the rear end of the plate spring; in other embodiments, of course, only the lower cover plate may be provided, and the upper end of the coil spring is pressed against the frame, and the end of the upper end constitutes the connecting structure.
In this embodiment, the coil spring is connected to the frame and the plate spring through an upper cover plate and a lower cover plate, respectively. In other embodiments, the coil spring may also be sleeved on the shock absorber, and together with the shock absorber, form a coil spring damping assembly, and be connected with the frame and the leaf spring respectively through the shock absorber assembly.
In this embodiment, the plate spring is of a zigzag structure as a whole, so that the whole suspension system is more compact in structure and occupies a smaller space. In other embodiments, the leaf spring may be a straight-line structure, but the vehicle suspension system takes up a large amount of space.
In this embodiment, both ends of the plate spring are elastic ends with gradually decreasing thickness from the middle to the end along the extending direction of the plate spring. In other embodiments, the thickness of the spring end may also be constant from the middle to the end in the direction of extension of the leaf spring.
In this embodiment, the middle cross beam is provided with a plurality of lightening holes which are sequentially arranged at intervals along the extending direction of the middle cross beam. In other embodiments, no lightening holes may be provided.
In this embodiment, the middle beam includes a U-shaped portion with a downward opening, and further includes connecting turned-over portions connected to the leaf springs and provided at front and rear sides of the U-shaped portion, and the coil spring assemblies are provided on the corresponding leaf springs by being mounted to end portions of the middle beam. The U-shaped part and the connecting turned-over edge part jointly form a middle cross beam, and the middle cross beam has high strength. In other embodiments, the middle beam may also be a straight-line structure. In other embodiments, the coil spring may be directly and fixedly connected to the upper end surfaces of the leaf springs, and the middle cross beam may be connected between the lower end surfaces of the two leaf springs.
In the embodiment, an intermediate cross beam is connected between the ends of the two leaf springs, where the coil spring assemblies are arranged, and the intermediate cross beam can bear the lateral force of the vehicle body. In other embodiments, no intermediate cross member may be provided.
The utility model discloses embodiment of vehicle:
the vehicle comprises a frame and a suspension system connected to the frame, wherein the structure of the suspension system is the same as that of the suspension system in the embodiment of the suspension system, and the details are not repeated here.
Claims (8)
1. The utility model provides a suspension system for vehicle, includes the axle, and the both ends are equipped with the leaf spring that extends around respectively about the axle, and the both ends branch of leaf spring is located the axle both ends around, wherein one end in the leaf spring both ends is for being used for the frame connection end that links to each other with the frame, its characterized in that: the other end of leaf spring is equipped with the coil spring subassembly, and the coil spring subassembly includes the coil spring of vertical extension and is located the connection structure that is used for linking to each other with the frame of upper end.
2. The suspension system for a vehicle according to claim 1, characterized in that: and a middle cross beam is connected between the ends of the two plate springs, which are provided with the spiral spring assemblies.
3. The suspension system for a vehicle according to claim 2, characterized in that: the middle cross beam comprises a U-shaped part with a downward opening, and further comprises connecting turnover parts which are arranged on the front side and the rear side of the U-shaped part and connected with the leaf springs, and the spiral spring assemblies are arranged on the corresponding leaf springs by being arranged at the end parts of the middle cross beam.
4. The suspension system for a vehicle according to claim 2 or 3, characterized in that: and the middle cross beam is provided with a plurality of lightening holes which are sequentially arranged at intervals along the extension direction of the middle cross beam.
5. The vehicular suspension system according to any one of claims 1 to 3, characterized in that: and both ends of the plate spring are elastic ends with the thickness gradually reduced from the middle to the end part along the extension direction of the plate spring.
6. The vehicular suspension system according to any one of claims 1 to 3, characterized in that: the end provided with the spiral spring sinks relative to the frame connecting end, so that the whole plate spring is of a Z-shaped structure.
7. The vehicular suspension system according to any one of claims 1 to 3, characterized in that: the spiral spring assembly comprises a lower cover plate and an upper cover plate, wherein the lower cover plate is arranged at the lower end of the spiral spring and connected with the plate spring, and the upper cover plate is arranged at the upper end of the spiral spring to form the connecting structure.
8. The vehicle, including the frame and connect in the suspension system for the vehicle of frame bottom, its characterized in that: the vehicle suspension system is the vehicle suspension system according to any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994029.4U CN210680316U (en) | 2019-06-28 | 2019-06-28 | Vehicle and suspension system thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920994029.4U CN210680316U (en) | 2019-06-28 | 2019-06-28 | Vehicle and suspension system thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210680316U true CN210680316U (en) | 2020-06-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920994029.4U Active CN210680316U (en) | 2019-06-28 | 2019-06-28 | Vehicle and suspension system thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210680316U (en) |
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2019
- 2019-06-28 CN CN201920994029.4U patent/CN210680316U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 450061 Yudao Road, Guancheng District, Zhengzhou City, Henan Province Patentee after: Yutong Bus Co.,Ltd. Address before: No.1, Shibali Heyu Road, Guancheng Hui District, Zhengzhou City, Henan Province Patentee before: ZHENGZHOU YUTONG BUS Co.,Ltd. |
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| CP03 | Change of name, title or address |