CN220869958U - Shock absorber buffer block assembly and vehicle - Google Patents
Shock absorber buffer block assembly and vehicle Download PDFInfo
- Publication number
- CN220869958U CN220869958U CN202322345571.6U CN202322345571U CN220869958U CN 220869958 U CN220869958 U CN 220869958U CN 202322345571 U CN202322345571 U CN 202322345571U CN 220869958 U CN220869958 U CN 220869958U
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- hollow structure
- shock absorber
- buffer
- air pressure
- buffer block
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- 230000035939 shock Effects 0.000 title claims abstract description 51
- 239000006096 absorbing agent Substances 0.000 title claims abstract description 48
- 230000007423 decrease Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 4
- 238000012938 design process Methods 0.000 abstract description 2
- 230000005489 elastic deformation Effects 0.000 description 12
- 239000000463 material Substances 0.000 description 6
- 239000000725 suspension Substances 0.000 description 5
- 238000005192 partition Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000011261 inert gas Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000007769 metal material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000013459 approach Methods 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Vibration Dampers (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a shock absorber buffer block component and a vehicle, wherein the shock absorber buffer block component comprises: the elastic buffer block is provided with a first hollow structure extending along the axial direction; the air pressure buffer is connected with the elastic buffer block, a second hollow structure extending along the axial direction is arranged on the air pressure buffer, and air with certain pressure can be stored in the air pressure buffer. The utility model discloses a damper buffer block assembly and a vehicle, which are used for solving the problems of complex design process, large calculation workload and unsatisfactory effect of a provided rigidity curve of the conventional automobile damper.
Description
Technical Field
The utility model relates to the technical field of automotive suspensions, in particular to a shock absorber buffer block assembly and a vehicle.
Background
When the suspension system is in a limiting working condition, the suspension system is required to have overload protection and certain smoothness. When the vehicle is impacted by a large load, the shock absorber and the spring can reach the working limit, in order to protect a suspension system, a shock absorption block is generally arranged at the top end of the shock absorber, and under the limiting working condition, the upper end of the outer cylinder of the shock absorber is contacted with the shock absorption block, and the shock absorption block is extruded and deformed to absorb instant impact.
At present, the buffer blocks of the automobile shock absorber mostly adopt elastic rubber parts as materials, and considering the requirements of smoothness, the buffer blocks are required to meet specific rigidity curves, and the buffer blocks are required to be realized by designing different shapes and adjusting relevant dimensions. In practical application, because the stress deformation of the rubber material is nonlinear, the buffer block is required to be adjusted to a rigidity curve meeting the requirement, a great amount of complex calculation is required in the early stage to achieve an ideal effect, the workload in the design is large, and once the structure is determined, the rigidity curve cannot be changed.
Accordingly, there is a need for a shock absorber bump stop assembly and a vehicle that address the above-described problems.
Disclosure of utility model
In view of the above, the present utility model provides a damper block assembly and a vehicle, which solve the problems of complex design process, large calculation workload and unsatisfactory effect of rigidity curve provided by the existing automobile damper.
Based on the above object, the present utility model provides a damper block assembly comprising:
the elastic buffer block is provided with a first hollow structure extending along the axial direction;
The air pressure buffer is connected with the elastic buffer block, a second hollow structure extending along the axial direction is arranged on the air pressure buffer, and air with certain pressure can be stored in the air pressure buffer.
Optionally, the shock absorber cushion block assembly further comprises: the baffle, the baffle sets up the pneumatic buffer with between the elastic buffer piece, the opposite both sides of baffle respectively with the pneumatic buffer with the elastic buffer piece is fixed, be provided with the third hollow structure that extends along axial direction on the baffle, third hollow structure with be located both sides first hollow structure with the second hollow structure all communicates.
Optionally, the shock absorber cushion block assembly further comprises: the mounting plate is arranged at one end, far away from the elastic buffer block, of the air pressure buffer, a fourth hollow structure extending along the axial direction is arranged on the mounting plate, and the fourth hollow structure and the second hollow structure are communicated; the mounting plate is provided with an air inlet, and an air source supplies air to the air pressure buffer through the air inlet.
Optionally, the diameter of the second hollow structure is greater than the diameter of the third hollow structure and greater than the diameter of the fourth hollow structure.
Optionally, a mounting portion is provided on a cross section of one end of the mounting plate away from the air pressure buffer, and the mounting plate is connected with the shock absorber through the mounting portion.
Optionally, the elastic buffer block includes a first end and a second end that are disposed opposite to each other, the diameter of the elastic buffer block gradually decreases from the first end to the second end, and the air pressure buffer is connected to the first end.
Optionally, at least one circumferential groove is formed on the elastic buffer block, and when the number of the circumferential grooves is multiple, the multiple circumferential grooves are distributed at intervals along the axial direction of the elastic buffer block.
Optionally, the opposite ends of the air pressure buffer are provided with bearing surfaces.
Further optionally, the axial stiffness of the pneumatic bumper is less than the radial stiffness.
The utility model also proposes a vehicle comprising a shock absorber bump stop assembly as described above.
As can be seen from the above, the shock absorber buffer block assembly and the vehicle provided by the utility model have the following advantages compared with the prior art: by adopting the shock absorber buffer block assembly, the air pressure buffer and the elastic buffer block can provide elastic deformation, the elastic buffer block is elastically deformed at the initial stage of impact, when the impact is greatly applied, the air pressure buffer is elastically deformed, the two elastic deformations are mutually overlapped, the stiffness curve can be rapidly adjusted according to actual needs, and then the ideal stiffness curve can be better adjusted, a large amount of complex calculation at the earlier stage is saved, and the changing cost and the design difficulty are reduced.
Drawings
The above-mentioned features and technical advantages of the present utility model will become more apparent and readily appreciated from the following description of the embodiments thereof taken in conjunction with the accompanying drawings.
FIG. 1 is a schematic view of a shock absorber mass assembly employed in an embodiment of the present utility model.
FIG. 2 is a cross-sectional view of the shock absorber mass assembly shown in FIG. 1.
Wherein the reference numerals:
1. An air inlet; 2. a mounting plate; 3. a pneumatic buffer; 4. an inert gas; 5. a partition plate; 6. and an elastic buffer block.
Detailed Description
The present utility model will be further described in detail below with reference to specific embodiments and with reference to the accompanying drawings, in order to make the objects, technical solutions and advantages of the present utility model more apparent. Wherein like parts are designated by like reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the drawings. The words "inner" and "outer" are used to refer to directions toward or away from, respectively, the geometric center of a particular component.
FIG. 1 is a schematic view of a shock absorber mass assembly employed in an embodiment of the present utility model. FIG. 2 is a cross-sectional view of the shock absorber mass assembly shown in FIG. 1. As shown in fig. 1 and 2, the damper block assembly includes an elastic damper block 6 and a pneumatic damper 3.
The elastic buffer block 6 is provided with a first hollow structure extending along the axial direction;
The air pressure buffer 3 is connected with the elastic buffer block 6, a second hollow structure extending along the axial direction is arranged on the air pressure buffer 3, and air with certain pressure can be stored in the air pressure buffer 3.
The air pressure buffer 3 is filled with air with certain pressure until the pressure reaches a preset value, and after the air pressure buffer 3 is filled, the air pressure buffer 3 is connected with the elastic buffer block 6, and the damper shaft penetrates through the first hollow structure and the second hollow structure. The elastic buffer block 6 is used for bearing impact force generated in moment of impact contact with the shock absorber, and the pneumatic buffer 3 and the elastic buffer block 6 jointly provide rigidity required by the working of the shock absorber buffer block assembly.
By adopting the shock absorber buffer block assembly, the air pressure buffer 3 and the elastic buffer block 6 can provide elastic deformation, the elastic buffer block 6 is elastically deformed at the initial stage of impact, when the impact is greatly applied, the air pressure buffer 3 is elastically deformed, the two elastic deformations are mutually overlapped, the stiffness curve can be rapidly adjusted according to actual needs, and then the ideal stiffness curve can be better adjusted, a large amount of complex calculation at the earlier stage is saved, and the changing cost and the design difficulty are reduced.
In one embodiment of the present application, the air cushion 3 is made of a high-strength rubber material, and may be an air bag structure.
In one embodiment of the application, the gas is an inert gas 4.
Optionally, the shock absorber cushion block assembly further comprises: the baffle 5, baffle 5 set up between pneumatic buffer 3 and elasticity buffer block 6, and the relative both sides of baffle 5 are fixed with pneumatic buffer 3 and elasticity buffer block 6 respectively, are provided with the third hollow structure that extends along axial direction on the baffle 5, and third hollow structure all communicates with the first hollow structure and the second hollow structure that are located both sides. The second hollow structure, the third hollow structure and the first hollow structure are sequentially communicated so that the damper shaft can pass through. Further, the spacer 5 is provided between the air pressure damper 3 and the elastic damper 6, so that stress concentration can be avoided.
In one embodiment of the present application, the partition 5 may be made of a metal material or a plastic material.
Optionally, the shock absorber cushion block assembly further comprises: the mounting plate 2 is arranged at one end of the air pressure buffer 3, which is far away from the elastic buffer block 6, and a fourth hollow structure extending along the axial direction is arranged on the mounting plate 2 and is communicated with the second hollow structure; an air inlet 1 is arranged on the mounting plate 2, and an air source supplies air to the air pressure buffer 3 through the air inlet 1. The fourth hollow structure, the second hollow structure, the third hollow structure and the first hollow structure are sequentially communicated so that the damper shaft can pass through. Further, the mounting plate 2 is provided between the air damper 3 and the shock absorber, and stress concentration can be avoided. In the debugging process, the air inlet 1 is in an inflatable state so as to adjust the air pressure in real time, and after the debugging is finished, the air inlet 1 is sealed, so that the air pressure buffer 3 is ensured to be airtight; during the use, can carry out the gassing to air pressure buffer 3 through air inlet 1 to adjust the internal atmospheric pressure of air pressure buffer 3, thereby adjust the whole rigidity curve of bumper shock absorber buffer block subassembly.
In one embodiment of the application, the mounting plate 2 may be made of a metallic material or a plastic material.
Optionally, the diameter of the second hollow structure is greater than the diameter of the third hollow structure and greater than the diameter of the fourth hollow structure. By adopting the structure, the diameter of the second hollow structure is still larger than that of the third hollow structure and that of the fourth hollow structure under the condition of the maximum deformation of the air pressure buffer 3, and the elastic buffer block 6 is prevented from locking with the shock absorber rod in the deformation process, so that the normal use is prevented from being influenced.
In one embodiment of the application, the diameter of the third hollow structure is equal to the diameter of the fourth hollow structure, and the diameter of the second hollow structure is equal to 1.2-1.5 times the diameter of the third hollow structure.
In one embodiment of the application, the first hollow structure, the second hollow structure, the third hollow structure and the fourth hollow structure each employ a cylindrical through hole.
In one embodiment of the application, the first hollow structure, the second hollow structure, the third hollow structure and the fourth hollow structure are coaxially arranged.
Optionally, a mounting portion is provided on a cross section of one end of the mounting plate 2 away from the air pressure damper 3, and the mounting plate 2 is connected with the damper through the mounting portion. The damper buffer block component is connected with the damper through the mounting plate 2 to form an integrated structure.
In one embodiment of the application, the mounting plate 2 is detachably connected to the damper, such as a snap-fit connection, a screw connection, etc.
Alternatively, the elastic buffer 6 includes a first end and a second end disposed opposite to each other, and the diameter of the elastic buffer 6 gradually decreases from the first end to the second end, and the air pressure buffer 3 is connected to the first end. Through setting up the shape of elasticity buffer block 6, can improve elasticity buffer block 6, provide good cushioning effect, simultaneously, set up elasticity buffer block 6 to the big second of first end is little structure, takes place deformation earlier from the second end, can guarantee that elasticity buffer block 6 atress deformation initial rigidity is less.
In one embodiment of the present application, the end surface of the first end has a planar structure, so as to be fixedly connected with the partition board 5.
In one embodiment of the application, the end face of the second end is planar and has a chamfer on opposite sides.
When the pneumatic buffer 3 is subjected to impact force, axial elastic deformation is preferentially generated, the radial shape is relatively kept, and the pneumatic buffer 3 is manufactured by using a structure with small axial rigidity and large radial rigidity. Optionally, at least one circumferential groove is provided on the elastic buffer block 6, and when the number of the circumferential grooves is plural, the plural circumferential grooves are distributed at intervals along the axial direction of the elastic buffer block 6. By arranging the circumferential grooves, the surface of the elastic buffer block 6 has concave-convex characteristics, and the rigidity of the elastic buffer block 6 is further improved. Moreover, the concave-convex characteristics can avoid the elastic buffer block 6 locking with the shock absorber rod in the deformation process, and the normal use is affected.
In one embodiment of the application, two circumferential grooves are provided between the first and second ends of the elastic buffer 6, the two circumferential grooves being spaced apart along the axial direction of the elastic buffer 6.
Alternatively, the opposite ends of the air buffer 3 are provided with bearing surfaces. Through setting up the loading surface, when air buffer 3 received the extrusion, the loading surface keeps the atress not to warp, and then guarantees the connection stability of air buffer 3 and mounting panel 2 and baffle 5, prevents that the gasbag from disengaging.
In one embodiment of the present application, the air cushion 3 adopts an air bag structure, and two opposite ends of the air bag structure are bearing surfaces, wherein the bearing surfaces adopt hard surfaces and cannot be deformed under force.
In addition, when receiving the impact force, axial elastic deformation occurs preferentially, and the radial shape is relatively maintained, and optionally, the axial rigidity of the air damper 3 is smaller than the radial rigidity.
In one embodiment of the present application, the air damper 3 is made of a material having a small axial rigidity and a large radial rigidity.
The use of the shock absorber mass assembly is further described below.
Filling inert gas 4 into the air pressure buffer 3 to enable the pressure in the air pressure buffer 3 to reach a preset value, mounting the air pressure buffer 3 on the first end of the elastic buffer block 6 through the partition plate 5, and mounting the mounting plate 2 on the air pressure buffer 3; the elastic buffer block 6 is fixedly arranged at the upper end of the shock absorber through the mounting plate 2, when an automobile suspension system is impacted vertically, the upper end surface of the shock absorber cylinder firstly contacts with the second end of the elastic buffer block 6, the elastic buffer block 6 is stressed to deform, and the air pressure buffer 3 is not deformed temporarily because of a certain pressure of the air pressure buffer 3; as the external impact force increases, the elastic cushion 6 approaches the limit of deformation, and the air cushion 3 provides a main deformation amount, and in this state, the elastic cushion 6 can withstand a great impact force. When the rigidity curve of the part cannot meet the requirement, the air inlet 1 can be used for carrying out air filling or air discharging on the air pressure buffer 3 so as to adjust the air pressure in the air pressure buffer 3, thereby adjusting the integral rigidity curve of the buffer block assembly of the shock absorber.
The utility model also provides a vehicle comprising the shock absorber buffering block assembly. The vehicle adopts above-mentioned bumper shock absorber buffer block subassembly, and pneumatic buffer and elastic buffer block homoenergetic provide elastic deformation, receive the initial stage of strikeing, and elastic buffer block takes place elastic deformation, when receiving great impact, pneumatic buffer takes place elastic deformation, and two kinds of elastic deformation are superimposed each other, and rigidity curve can be adjusted fast according to actual need, and then can be better adjust ideal rigidity curve, saved a large amount of complex calculations in earlier stage, reduced change cost and design degree of difficulty.
As can be seen from the above description and practice, the shock absorber and buffer block assembly and the vehicle provided by the utility model have the following advantages compared with the prior art: by adopting the shock absorber buffer block assembly, the air pressure buffer and the elastic buffer block can provide elastic deformation, the elastic buffer block is elastically deformed at the initial stage of impact, when the impact is greatly applied, the air pressure buffer is elastically deformed, the two elastic deformations are mutually overlapped, the stiffness curve can be rapidly adjusted according to actual needs, and then the ideal stiffness curve can be better adjusted, a large amount of complex calculation at the earlier stage is saved, and the changing cost and the design difficulty are reduced.
Those of ordinary skill in the art will appreciate that: the above embodiments are merely illustrative of the present utility model and are not intended to limit the present utility model, and any modifications, equivalent substitutions, improvements, etc. within the spirit of the present utility model should be included in the scope of the present utility model.
Claims (10)
1. A shock absorber cushion block assembly, comprising:
the elastic buffer block is provided with a first hollow structure extending along the axial direction;
The air pressure buffer is connected with the elastic buffer block, a second hollow structure extending along the axial direction is arranged on the air pressure buffer, and air with certain pressure can be stored in the air pressure buffer.
2. The shock absorber cushion block assembly of claim 1, further comprising:
The baffle, the baffle sets up the pneumatic buffer with between the elastic buffer piece, the opposite both sides of baffle respectively with the pneumatic buffer with the elastic buffer piece is fixed, be provided with the third hollow structure that extends along axial direction on the baffle, third hollow structure with be located both sides first hollow structure with the second hollow structure all communicates.
3. The shock absorber cushion block assembly of claim 2, further comprising:
The mounting plate is arranged at one end, far away from the elastic buffer block, of the air pressure buffer, a fourth hollow structure extending along the axial direction is arranged on the mounting plate, and the fourth hollow structure and the second hollow structure are communicated; the mounting plate is provided with an air inlet, and an air source supplies air to the air pressure buffer through the air inlet.
4. The shock absorber cushion block assembly of claim 3, further comprising:
The diameter of the second hollow structure is greater than the diameter of the third hollow structure and greater than the diameter of the fourth hollow structure.
5. The shock absorber mass assembly as claimed in claim 3 or 4, wherein:
The mounting plate is far away from the installation part is arranged on one end section of the air pressure buffer, and the mounting plate is connected with the shock absorber through the installation part.
6. The shock absorber mass assembly as claimed in any one of claims 1 to 4, wherein:
The elastic buffer block comprises a first end and a second end which are oppositely arranged, the diameter of the elastic buffer block gradually decreases from the first end to the second end, and the air pressure buffer is connected with the first end.
7. The shock absorber cushion block assembly of claim 6, wherein:
The elastic buffer block is provided with at least one annular groove, and when the number of the annular grooves is multiple, the annular grooves are distributed at intervals along the axial direction of the elastic buffer block.
8. The shock absorber mass assembly as claimed in any one of claims 1 to 4, wherein:
the opposite ends of the air pressure buffer are provided with bearing surfaces.
9. The shock absorber mass assembly as claimed in any one of claims 1 to 4, wherein:
the axial stiffness of the pneumatic damper is less than the radial stiffness.
10. A vehicle, characterized in that: the vehicle comprising a shock absorber mass assembly as claimed in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322345571.6U CN220869958U (en) | 2023-08-29 | 2023-08-29 | Shock absorber buffer block assembly and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322345571.6U CN220869958U (en) | 2023-08-29 | 2023-08-29 | Shock absorber buffer block assembly and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220869958U true CN220869958U (en) | 2024-04-30 |
Family
ID=90810366
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322345571.6U Active CN220869958U (en) | 2023-08-29 | 2023-08-29 | Shock absorber buffer block assembly and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220869958U (en) |
-
2023
- 2023-08-29 CN CN202322345571.6U patent/CN220869958U/en active Active
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| Date | Code | Title | Description |
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