CN219883635U - Automobile leaf spring - Google Patents
Automobile leaf spring Download PDFInfo
- Publication number
- CN219883635U CN219883635U CN202321743140.9U CN202321743140U CN219883635U CN 219883635 U CN219883635 U CN 219883635U CN 202321743140 U CN202321743140 U CN 202321743140U CN 219883635 U CN219883635 U CN 219883635U
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- CN
- China
- Prior art keywords
- leaf spring
- spring assembly
- hydraulic oil
- fixing
- hydraulic cylinder
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- 239000010720 hydraulic oil Substances 0.000 claims abstract description 27
- 239000003921 oil Substances 0.000 claims abstract description 11
- 230000008859 change Effects 0.000 claims abstract description 6
- 238000003825 pressing Methods 0.000 claims description 8
- 238000003475 lamination Methods 0.000 claims description 2
- 238000013016 damping Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Vehicle Body Suspensions (AREA)
Abstract
The utility model discloses an automobile leaf spring, which comprises a leaf spring assembly, wherein the leaf spring assembly is formed by stacking a plurality of leaf springs with different lengths in a single sheet mode, the lower part of the center of the leaf spring assembly is fixed on a shaft body, two ends of the leaf spring assembly are connected to a beam frame connecting block, a hydraulic oil cylinder is arranged between the lower end of the beam frame connecting block and the shaft body, the two hydraulic oil cylinders are respectively arranged at two sides of the shaft body, and the oil supply pressure of hydraulic oil in the hydraulic oil cylinder is changed to change the elasticity of the leaf spring. The hydraulic oil cylinders are respectively arranged at the two sides of the shaft body of the automobile leaf spring, so that the overall elasticity is adaptively changed within a certain range in a mode of changing the pressure of hydraulic oil in the hydraulic oil cylinders, and the elasticity suitable for the weight of the automobile body can be adjusted when the load of a truck is changed, and the automobile body can obtain a good damping effect.
Description
Technical Field
The utility model relates to the field of leaf springs, in particular to an automobile leaf spring.
Background
The suspension is one of the main components of modern automobiles, can elastically connect a frame with an axle, and has the main tasks of transmitting all force and moment acting between the frame and wheels, relieving impact load transmitted to the frame due to uneven road surface, attenuating vibration of a bearing system caused by the impact load and ensuring normal running of the automobile.
The suspension is generally composed of an elastic element, a guide mechanism and a vibration damping device. The elastic element mainly comprises: leaf springs, coil springs, rubber springs, air springs, oil and gas springs, and the like. In the long-term development process, the leaf spring has the characteristics of simple structure, low manufacturing cost, small occupied space, convenient maintenance and the like, and is an elastic element which is adopted in a large number of countries in the world, and the leaf spring is an elastic element which is adopted in an automobile suspension earliest, plays roles of buffering, damping and guiding, and has wide application due to the advantages of simple structure, good effect and the like.
In the prior leaf spring suspension, once the number of superimposed leaf springs and the elasticity coefficient of the leaf springs are determined, the overall elasticity of the leaf springs is determined, the later change cannot be carried out, if the load condition of the vehicle changes, the leaf springs cannot change elasticity according to the load of the load in time, so that the overall adaptability of the vehicle to the road surface is poor,
in view of the above, it is necessary to propose an automobile leaf spring to solve the above-mentioned problems.
Disclosure of Invention
The utility model aims to solve the technical problems and provides an automobile leaf spring.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an automobile leaf spring, includes the leaf spring assembly, and the leaf spring assembly is formed by the lamination of a plurality of leaf spring singlechips that differ in length, and leaf spring assembly center lower part is fixed on the axis body, and leaf spring assembly both ends are connected on the roof beam frame connecting block, are equipped with hydraulic cylinder between roof beam frame connecting block lower extreme and the axis body, hydraulic cylinder is equipped with two and is located the axis body both sides respectively, changes the elasticity of leaf spring of the oil feed pressure of hydraulic oil in the hydraulic cylinder.
Further, the beam frame connecting block comprises a leaf spring installation part at the upper part and a fixing arm at the lower part, wherein the leaf spring installation part is used for fixing the end part of the leaf spring assembly body therein, the fixing arm is connected to the lower end of the leaf spring installation part, and the lower end of the fixing arm is hinged with one end of the hydraulic cylinder.
Further, the middle part of leaf spring assembly is equipped with the fixed knot of axle body constructs, the fixed knot of axle body constructs including top board, holding down plate, riding bolt, axle mount, the axle mount is located leaf spring assembly lower part, and the top board is located leaf spring assembly up end, and the holding down plate is located axle mount lower extreme, and through a plurality of riding bolts between top board, the holding down plate is fixed, it is fixed to clamp down the leaf spring body formation clamp of riding bolt.
Further, the axle mount has middle fixed part, side mounting bracket, middle fixed part is used for supplying the axis body to penetrate fixedly, side mounting bracket symmetry sets up in middle fixed part both sides, side mounting bracket is used for articulated mutually with hydraulic cylinder's the other end.
Furthermore, a connecting port of a hydraulic oil pipe for adjusting the oil supply pressure is arranged on the hydraulic oil cylinder.
Compared with the prior art, the utility model has the beneficial effects that: the hydraulic oil cylinders are respectively arranged at the two sides of the shaft body of the automobile leaf spring, so that the overall elasticity is adaptively changed within a certain range in a mode of changing the pressure of hydraulic oil in the hydraulic oil cylinders, and the elasticity suitable for the weight of the automobile body can be adjusted when the load of a truck is changed, and the automobile body can obtain a good damping effect.
Drawings
FIG. 1 is a schematic view of a leaf spring of an automobile according to the present utility model;
FIG. 2 is a schematic view of a leaf spring of an automobile according to the present utility model;
in the figure: 1. a leaf spring assembly; 2. a shaft body; 3. a beam frame connecting block; 4. a hydraulic cylinder; 5. a leaf spring mounting portion; 6. a fixed arm; 7. an upper press plate; 8. a lower pressing plate; 9. a saddle bolt; 10. a shaft fixing frame; 11. a side mounting rack; 12. an intermediate fixing portion; 13. and a connecting port.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Specific embodiments of the present utility model will be further described below with reference to the accompanying drawings. Wherein like parts are designated by like reference numerals.
In the description of the present utility model, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more. In addition, the term "include" and any variations thereof are intended to cover a non-exclusive inclusion.
An automobile leaf spring, as shown in fig. 1 and 2, comprises a leaf spring assembly 1, wherein the leaf spring assembly 1 is formed by stacking a plurality of leaf spring singlechips with different lengths, and is similar to the prior art, the leaf spring assembly 1 is composed of a plurality of leaf spring singlechips, two ends of the leaf spring assembly are respectively fixed in a leaf spring installation part 5 at the upper part of a beam frame connecting block 3, two ends of the leaf spring assembly 1 are connected to the beam frame connecting block 3, the central lower part of the leaf spring assembly 1 is fixed on a shaft body 2, in the embodiment, a hydraulic cylinder 4 is arranged between the lower end of the beam frame connecting block 3 and the shaft body 2, and the hydraulic cylinder 4 is provided with two leaf springs which are respectively positioned at two sides of the shaft body 2, so that the oil supply pressure of hydraulic oil in the hydraulic cylinder 4 is changed, and the elasticity of the leaf spring is changed. When the vehicle body is in a light load state in actual use, the pressure of hydraulic oil in the hydraulic oil cylinder 4 can be reduced, so that the overall elasticity is more suitable for an idle state, and the overall elasticity can be provided by the leaf spring assembly 1 only; on the contrary, when the vehicle is heavy-loaded, the oil pressure supply in the hydraulic oil cylinder 4 can be improved, so that the functions of bearing and damping are realized by the auxiliary steel plate spring assembly 1 of the hydraulic oil cylinder 4, and the adaptability of the vehicle in a heavy-loaded state is improved.
Specifically, the beam connecting block 3 comprises an upper leaf spring mounting part 5 and a lower fixing arm 6, wherein the leaf spring mounting part 5 is used for fixing the end part of the leaf spring assembly 1 therein, the fixing arm 6 is connected to the lower end of the leaf spring mounting part 5, and the lower end of the fixing arm 6 is hinged with one end of the hydraulic cylinder 4. When in actual use, when the road is bumpy, the leaf spring assembly 1 is compressed upwards by the shaft body 2, and the compression amount can be reduced in an auxiliary way through the hydraulic cylinders 4 at the two sides, so that the purpose of improving the buffering effect is realized.
Specifically, the middle part of leaf spring assembly 1 is equipped with the fixed knot of axle body 2 constructs, the fixed knot of axle body 2 constructs including top board 7, holding down plate 8, riding bolt 9, axle mount 10 is located leaf spring assembly 1 lower part, and top board 7 is located leaf spring assembly 1 up end, and holding down plate 8 is located axle mount 10 lower extreme, and through a plurality of riding bolts 9 between top board 7, the holding down plate 8 is fixed, riding bolt 9 is to leaf spring body formation clamp fastening. The clamping and fixing are carried out on the pressing plates on the two sides and the steel plate spring through the riding bolts 9, the purpose of firm fixation is achieved, and the hydraulic cylinders 4 are respectively arranged on the two sides, so that the fixed structure can be prevented from rotating under the gravity load. The shaft fixing frame 10 is provided with a middle fixing part 12 and side mounting frames 11, the middle fixing part 12 is used for penetrating and fixing the shaft body 2, the side mounting frames 11 are symmetrically arranged on two sides of the middle fixing part 12, and the side mounting frames 11 are used for being hinged with the other end of the hydraulic oil cylinder 4.
The hydraulic cylinder 4 is provided with a connecting port 13 of a hydraulic oil pipe for oil pressure adjustment. In actual adjustment, the pressure of hydraulic oil is changed through the vehicle-mounted hydraulic oil pump, the hydraulic oil is connected with the connecting port 13 through the oil pipe, and hydraulic oil with different oil pressures is pumped into the hydraulic oil cylinder 4, so that the change of the overall elastic coefficient is realized.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (5)
1. The utility model provides an automobile leaf spring, includes leaf spring assembly (1), and leaf spring assembly (1) is formed by the lamination of a plurality of leaf springs monolithic that differ in length, and its characterized in that, leaf spring assembly (1) center lower part is fixed on axis body (2), and leaf spring assembly (1) both ends are connected on roof beam frame connecting block (3), are equipped with hydraulic cylinder (4) between roof beam frame connecting block (3) lower extreme and axis body (2), hydraulic cylinder (4) are equipped with two and are located axis body (2) both sides respectively, change the elasticity of the oil feed pressure of hydraulic oil in hydraulic cylinder (4) change leaf spring.
2. An automotive leaf spring according to claim 1, characterized in that the beam connecting block (3) comprises an upper leaf spring mounting part (5) and a lower fixing arm (6), the leaf spring mounting part (5) being used for fixing the end of the leaf spring assembly (1) therein, the fixing arm (6) being connected to the lower end of the leaf spring mounting part (5), the lower end of the fixing arm (6) being hinged to one end of the hydraulic cylinder (4).
3. The automobile leaf spring according to claim 2, wherein a fixing structure of a shaft body (2) is arranged in the middle of the leaf spring assembly (1), the fixing structure of the shaft body (2) comprises an upper pressing plate (7), a lower pressing plate (8), a saddle bolt (9) and a shaft fixing frame (10), the shaft fixing frame (10) is located at the lower portion of the leaf spring assembly (1), the upper pressing plate (7) is located at the upper end face of the leaf spring assembly (1), the lower pressing plate (8) is located at the lower end of the shaft fixing frame (10), the upper pressing plate (7) and the lower pressing plate (8) are fixed through a plurality of saddle bolts (9), and the saddle bolts (9) clamp and fix the leaf spring body.
4. A leaf spring for a motor vehicle according to claim 3, wherein the shaft fixing frame (10) has a middle fixing portion (12) and side mounting frames (11), the middle fixing portion (12) is used for the shaft body (2) to penetrate and fix, the side mounting frames (11) are symmetrically arranged at two sides of the middle fixing portion (12), and the side mounting frames (11) are used for being hinged with the other end of the hydraulic cylinder (4).
5. The automobile leaf spring according to claim 1, wherein the hydraulic cylinder (4) is provided with a connecting port (13) for a hydraulic oil pipe for adjusting the oil pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321743140.9U CN219883635U (en) | 2023-07-04 | 2023-07-04 | Automobile leaf spring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321743140.9U CN219883635U (en) | 2023-07-04 | 2023-07-04 | Automobile leaf spring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219883635U true CN219883635U (en) | 2023-10-24 |
Family
ID=88410173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321743140.9U Active CN219883635U (en) | 2023-07-04 | 2023-07-04 | Automobile leaf spring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219883635U (en) |
-
2023
- 2023-07-04 CN CN202321743140.9U patent/CN219883635U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |