CN217539427U - Two leaf spring assemblies of low dynamic stiffness - Google Patents
Two leaf spring assemblies of low dynamic stiffness Download PDFInfo
- Publication number
- CN217539427U CN217539427U CN202221390302.0U CN202221390302U CN217539427U CN 217539427 U CN217539427 U CN 217539427U CN 202221390302 U CN202221390302 U CN 202221390302U CN 217539427 U CN217539427 U CN 217539427U
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- leaf spring
- shaft assembly
- balance shaft
- central
- bolt
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Abstract
The utility model discloses a two leaf spring assemblies of low dynamic stiffness, including upper plate reed, hypoplastron reed, central bolt, central nut, balance shaft assembly, riding bolt, leaf spring briquetting, flange nut and frame, central bolt and central nut are together fixed with upper plate reed, central backing plate one, central backing plate two, tip backing plate one, tip backing plate two and hypoplastron reed. The utility model reduces the friction between the steel plate springs by adding the gasket at the end part of the plate spring, and reduces the dynamic stiffness of the two steel plate spring assemblies; the steel plate spring assembly is designed by adopting two plate springs, so that the light weight effect is obvious; the steel plate spring assembly adopts a variable cross section and curved surface design, and the strength and the rigidity of the steel plate spring assembly are improved.
Description
Technical Field
The utility model relates to a two leaf spring assemblies of low dynamic stiffness belongs to heavy-duty car spare part field.
Background
Leaf spring wide application is in the commercial car field, and leaf spring's effect mainly is: bear the load impact of the wheels to the frame, play the role of buffering and damping, and meet the running stability and smoothness of the vehicle. The existing steel plate spring assembly is designed by adopting a plurality of steel plate springs, so that the problems of heavy weight, high dynamic stiffness and the like exist, and the running smoothness of a vehicle is influenced. Therefore, it is necessary to develop a leaf spring assembly with high strength and rigidity and low dynamic stiffness, and at the same time, the leaf spring assembly is remarkably light in weight.
Disclosure of Invention
The utility model aims to solve the technical problem that to the defect that prior art exists, provide two leaf spring assemblies of low dynamic stiffness.
For solving this technical problem, the utility model provides a two leaf spring assemblies of low dynamic stiffness, include upper plate reed, hypoplastron reed, central bolt, central nut, balance shaft assembly, ride horse bolt, leaf spring briquetting, flange nut and frame, central bolt and central nut are together fixed with upper plate reed, central backing plate one, central backing plate two, tip backing plate one, tip backing plate two and hypoplastron reed.
The upper leaf spring piece adopts a variable cross section I, a uniform cross section I and an arc curved surface structure, and the lower leaf spring piece adopts a variable cross section II and a uniform cross section II structure.
The balance shaft assembly is provided with a mounting hole for a riding bolt of the balance shaft assembly, a mounting hole for a frame of the balance shaft assembly and a mounting hole for a leaf spring of the balance shaft assembly, and the central bolt and the central nut mount the upper leaf spring piece and the lower leaf spring piece on the balance shaft assembly through the mounting hole for the leaf spring of the balance shaft assembly; the leaf spring briquetting is installed in the upside of upper plate reed, rides the horse bolt and rides the horse bolt mounting hole through the balance shaft assembly and fix leaf spring, through balance shaft assembly frame mounting hole installs the balance shaft assembly on the frame.
Has the advantages that: the utility model reduces the friction between the steel plate springs by adding the gasket at the end part of the plate spring, and reduces the dynamic stiffness of the two steel plate spring assemblies; the steel plate spring assembly is designed by two plate springs, so that the light weight effect is obvious; the steel plate spring assembly adopts a variable cross section and curved surface design, and the strength and the rigidity of the steel plate spring assembly are improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic front view of the present invention;
fig. 2a is a cross-sectional view of a schematic front view of the structure of the present invention;
FIG. 3 is a schematic top view of the present invention;
fig. 4 is a schematic structural view of the upper plate spring piece of the present invention;
fig. 5 is a schematic structural view of the lower plate spring of the present invention;
fig. 6 is an installation diagram of the present invention.
In the figure: 1. a spring plate is arranged; 2. a lower reed plate; 3. a center bolt; 4. a central nut; 5. a first central base plate; 6. a second central base plate; 7. a first end base plate; 8. a second end base plate; 9. a balance shaft assembly; 10. a riding bolt; 11. a plate spring pressing block; 12. a flange nut; 13. a frame; 14. a mounting hole for a riding bolt of the balance shaft assembly; 15. a balance shaft assembly frame mounting hole; 16. a leaf spring mounting hole of the balance shaft assembly; 21. a central bolt hole; 22. the variable cross section is I; 23. a second variable cross section; 24. the first uniform section; 25. a second uniform cross section; 26. a circular arc.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples.
As shown in fig. 1-6 and fig. 2a, the utility model provides a two leaf spring assemblies of low dynamic stiffness, including upper plate reed 1, lower leaf reed 2, central bolt 3, central nut 4, balance shaft assembly 9, riding bolt 10, leaf spring briquetting 11, flange nut 12 and frame 13, central bolt 3 passes central bolt hole 21 and fixes upper plate reed 1, central backing plate 5, central backing plate two 6, tip backing plate 7, tip backing plate two 8 and lower leaf reed 2 together through central nut 4.
The upper plate spring piece 1 is of a curved surface structure with a variable cross section I22, a uniform cross section I24 and an arc 26, and the lower plate spring piece 2 is of a structure with a variable cross section II 23 and a uniform cross section II 25; the design of the variable cross section and the arc curved surface ensures that the stress of the plate spring leaf is uniform, reduces the stress concentration, increases the strength and the rigidity of the steel plate spring assembly, and meets the requirements of the smoothness and the stability of the vehicle in running.
The balance shaft assembly 9 is provided with a balance shaft assembly mounting hole 14, a balance shaft assembly frame mounting hole 15 and a balance shaft assembly leaf spring mounting hole 16, and the center bolt 3 and the center nut 4 mount the upper plate reed 1 and the lower plate reed 2 on the balance shaft assembly 9 through the balance shaft assembly leaf spring mounting hole 16; the leaf spring pressing block 11 is installed on the upper side of the upper plate reed 1, the saddle bolt 10 fixes the steel plate spring through a balance shaft assembly saddle bolt installation hole 14, and the balance shaft assembly 9 is installed on the frame 13 through the balance shaft assembly frame installation hole 15.
The utility model adopts two steel plate spring assemblies to meet the bearing requirements of vehicles, and adopts the lightweight design of two plate springs; the friction between the steel plate springs is reduced by adding the gasket at the end part of the plate spring, so that the dynamic stiffness of the two steel plate spring assemblies is reduced; the plate spring adopts variable cross-section and curved surface design, and the performance of each plate spring is improved, so that the strength and the rigidity of the plate spring assembly are improved.
The above embodiments of the present invention are merely examples, not the only ones, and all changes within the scope of the present invention or the same range of the present invention are all surrounded by the present invention.
Claims (3)
1. The utility model provides a two leaf spring assemblies of low dynamic stiffness which characterized in that: including last leaf spring piece (1), hypoplastron reed (2), central bolt (3), central nut (4), balance shaft assembly (9), riding bolt (10), leaf spring briquetting (11), flange nut (12) and frame (13), central bolt (3) pass central bolt hole (21) will go up leaf spring piece (1), central backing plate (5), central backing plate two (6), tip backing plate one (7), tip backing plate two (8) and hypoplastron reed (2) and fix together through central nut (4).
2. The low dynamic stiffness two-leaf spring assembly of claim 1, wherein: the upper plate spring piece (1) adopts a curved surface structure with a variable cross section I (22), a uniform cross section I (24) and an arc (26), and the lower plate spring piece (2) adopts a structure with a variable cross section II (23) and a uniform cross section II (25).
3. The low dynamic stiffness two leaf spring assembly of claim 1, wherein: a balance shaft assembly riding bolt mounting hole (14), a balance shaft assembly frame mounting hole (15) and a balance shaft assembly leaf spring mounting hole (16) are formed in the balance shaft assembly (9), and an upper leaf spring piece (1) and a lower leaf spring piece (2) are mounted on the balance shaft assembly (9) through the balance shaft assembly leaf spring mounting hole (16) by the center bolt (3) and the center nut (4); the leaf spring pressing block (11) is installed on the upper side of the upper plate reed (1), the U-bolt (10) fixes the steel plate spring through the U-bolt installation hole (14) of the balance shaft assembly, and the balance shaft assembly (9) is installed on the frame (13) through the frame installation hole (15) of the balance shaft assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221390302.0U CN217539427U (en) | 2022-06-06 | 2022-06-06 | Two leaf spring assemblies of low dynamic stiffness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221390302.0U CN217539427U (en) | 2022-06-06 | 2022-06-06 | Two leaf spring assemblies of low dynamic stiffness |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217539427U true CN217539427U (en) | 2022-10-04 |
Family
ID=83444071
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221390302.0U Active CN217539427U (en) | 2022-06-06 | 2022-06-06 | Two leaf spring assemblies of low dynamic stiffness |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217539427U (en) |
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2022
- 2022-06-06 CN CN202221390302.0U patent/CN217539427U/en active Active
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