CN217495771U - Front axle air suspension assembly and commercial vehicle - Google Patents
Front axle air suspension assembly and commercial vehicle Download PDFInfo
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- CN217495771U CN217495771U CN202220905499.0U CN202220905499U CN217495771U CN 217495771 U CN217495771 U CN 217495771U CN 202220905499 U CN202220905499 U CN 202220905499U CN 217495771 U CN217495771 U CN 217495771U
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- spring plate
- front axle
- suspension assembly
- air suspension
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Abstract
The utility model discloses a front axle air suspension assembly and commercial car, front axle air suspension assembly, include: the damping mechanism is respectively arranged on two sides of the frame, and two hinged seats which are arranged at intervals are respectively arranged on two sides of the frame; the damping mechanism comprises a first spring plate, a second spring plate and an air bag, wherein the length of the first spring plate is greater than that of the second spring plate, two ends of the first spring plate are respectively hinged to the corresponding hinged seats, the second spring plate is arranged on the upper surface of the first spring plate, the hinged end of the second spring plate is hinged to one of the hinged seats, and the free end of the spring plate is arranged between the air bag and the frame. The whole structure of the front axle air suspension assembly is simplified, the whole weight is reduced, and the manufacturing cost is reduced.
Description
Technical Field
The utility model relates to the field of automotive technology, especially, relate to a front axle air suspension assembly and commercial car.
Background
Commercial vehicles are now widely used in the commercial transportation industry, wherein an axle is one of the important components in a commercial vehicle, the axle being used to carry the load of the commercial vehicle and to maintain the normal driving of the commercial vehicle on the road. The comfort and the safety of a vehicle can be greatly improved by assembling the air suspension, and the plate spring air bag composite air suspension is taken as one category and is widely applied to a follow-up axle of the vehicle at present. Chinese patent publication No. CN 212499772U discloses a commercial vehicle 6 × 2 cargo vehicle type rear lifting airbag bridge assembly, and specifically discloses a method for realizing shock absorption processing of a commercial vehicle by using a load-bearing airbag in cooperation with a plate spring. However, the conventional plate spring uses a large number of steel plates, which results in a heavy overall weight and a high manufacturing cost. In view of this, how to design a technique that has a compact structure and reduces the overall weight to reduce the manufacturing cost is the technical problem to be solved by the present invention.
Disclosure of Invention
The utility model discloses the technical problem that will solve is: the utility model provides a front axle air suspension assembly and commercial car, realizes simplifying the overall structure of front axle air suspension assembly in order to lighten whole weight and reduce manufacturing cost.
The utility model provides a technical scheme is, a front axle air suspension assembly, include: the damping mechanism is respectively arranged on two sides of the frame, and two hinged seats which are arranged at intervals are respectively arranged on two sides of the frame;
the damping mechanism comprises a first spring plate, a second spring plate and an air bag, wherein the length of the first spring plate is greater than that of the second spring plate, two ends of the first spring plate are respectively hinged to the corresponding hinged seats, the second spring plate is arranged on the upper surface of the first spring plate, the hinged end of the second spring plate is hinged to one of the hinged seats, and the free end of the spring plate is arranged between the air bag and the frame.
Further, the free end of the second spring plate is fixed to the first spring plate.
Further, a base plate is arranged between the free end of the second spring plate and the first spring plate, and a gap is formed between the second spring plate and the first spring plate.
Furthermore, a fastening bolt sequentially penetrates through the first spring plate, the base plate and the second spring plate and is connected with a locking nut.
Further, the hinged end of the second spring plate is welded to the corresponding end of the first spring plate.
Furthermore, a first mounting seat is arranged at the lower part of the frame, a second mounting seat is arranged at the corresponding end part of the second spring plate, and the air bag is positioned between the first mounting seat and the second mounting seat.
Furthermore, the bottom of the frame is provided with a limiting seat, the second spring plate is further provided with a buffer block, and the buffer block is located below the limiting seat.
The utility model also provides a commercial car, including above-mentioned front axle air suspension assembly.
Compared with the prior art, the utility model discloses an advantage is with positive effect: the utility model provides a front axle air suspension assembly and commercial car plays the effect of leaf spring shock attenuation direction through disposing first spring board to, and, the second spring board is used for the shock attenuation direction on the one hand, and on the other hand still plays the effect of installation gasbag, and like this, the installation of cylinder and spring board heap, the suspension bulk stiffness reduces, improves commercial car ride comfort and stability; due to the fact that the number of the spring plates is reduced, the whole structure of the front axle air suspension assembly is simplified, the whole weight is reduced, and manufacturing cost is reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a first schematic structural diagram of an embodiment of a front axle air suspension assembly of the present invention;
FIG. 2 is a schematic structural diagram of a front axle air suspension assembly according to an embodiment of the present invention;
FIG. 3 is an enlarged view of a portion of area A of FIG. 2;
fig. 4 is an assembly view of the first spring plate and the second spring plate in the embodiment of the front axle air suspension assembly of the present invention.
Reference numerals:
a frame 1;
the hinge base 11, the first mounting base 12 and the limiting base 13;
a damper mechanism 2;
the air bag structure comprises a first spring plate 21, a second spring plate 22, an air bag 23, a backing plate 24, a fastening bolt 25, a locking nut 26, a second mounting seat 27 and a buffer block 28.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 4, the front axle air suspension assembly of the present embodiment includes: the bicycle frame comprises a frame 1 and a damping mechanism 2, wherein the damping mechanism 2 is respectively arranged on two sides of the frame 1, and two hinged seats 11 which are arranged at intervals are respectively arranged on two sides of the frame 1;
the shock absorption mechanism 2 comprises a first spring plate 21, a second spring plate 22 and an air bag 23, the length of the first spring plate 21 is larger than that of the second spring plate 22, two ends of the first spring plate 21 are respectively hinged on the corresponding hinged bases 11, the second spring plate 22 is arranged on the upper surface of the first spring plate 21, the hinged end of the second spring plate 22 is hinged on one hinged base 11, and the air bag 23 is arranged between the free end of the spring plate and the frame 1.
Specifically, the damping mechanism 2 is provided with a first spring plate 21 having a long length, and is hinged to the bottom of the frame 1 through two end portions, and the first spring plate 21 is integrally bent downward, so that the guiding and auxiliary damping functions are integrally realized. The hinged end of the second spring plate 22 is hinged to the same hinge seat 11 of the frame 1 as the corresponding end of the first spring plate 21, while the free end of the second spring plate 22 is used to mount the air-bag 23.
The second spring plate 22 serves on the one hand to assist the damping and on the other hand to mount the airbag 23. The air bag 23, together with the stacked arrangement of the second spring plate 22 and the first spring plate 21, plays a role in shock absorption to meet the shock absorption requirement of the whole frame 1.
And the whole damping mechanism 2 adopts two layers of spring plates to realize guiding and auxiliary damping, so that the use amount of the spring plates can be effectively reduced.
Further, in order to improve the overall structural strength of the damper mechanism 2, the free end portion of the second spring plate 22 is fixed to the first spring plate 21.
Specifically, for the second spring plate 22, the hinged end portion thereof is hinged to the same hinge seat 11 together with the first spring plate 21, while the free end portion of the second spring plate 22 is used for installing the air bag 23, and by fixedly connecting the free end portion of the second spring plate 22 with the first spring plate 21, the connection strength between the first spring plate 21 and the second spring plate 22 can be enhanced, so as to install and fix the air bag 23 better.
Wherein, a backing plate 24 is arranged between the free end of the second spring plate 22 and the first spring plate 21, and a gap is formed between the second spring plate 22 and the first spring plate 21.
Specifically, a gap is formed between the second spring plate 22 and the first spring plate 21 by adding the backing plate 24 between the first spring plate 21 and the second spring plate 22, so that when the first spring plate 21 and the second spring plate 22 are subjected to bending deformation for shock absorption in the actual use process, the friction between the two can be reduced due to the gap, contact fatigue is further reduced, the fatigue life is greatly prolonged, the deformation is small in long-term use, and the stable elastic characteristic is achieved. In addition, the fastening bolt 25 may penetrate the first spring plate 21, the backing plate 24, and the second spring plate 22 in this order and be connected with the lock nut 26.
In addition, the hinged end of the second spring plate 22 is welded to the corresponding end of the first spring plate 21. So that both end portions of the second spring plate 22 are firmly fixed to the first spring plate 21.
Still further, a first mounting seat 12 is provided at a lower portion of the frame 1, a second mounting seat 27 is provided at a corresponding end portion of the second spring plate 22, and the airbag 23 is located between the first mounting seat 12 and the second mounting seat.
Specifically, in order to facilitate the installation of the airbag 23, a first mounting seat 12 is provided on the frame 1, and correspondingly, a second mounting seat 27 is provided at a free end portion of the second spring plate 22 to mount the airbag 23 through the two mounting seats.
Still further, the bottom of the frame 1 is provided with a limiting seat 13, and the second spring plate 22 is further provided with a buffer block 28, which is located below the limiting seat 13.
Specifically, the limiting seat 13 arranged at the bottom of the frame 1 can be matched with the buffer block at the bottom to play a limiting role, so that excessive deformation of the spring plate and the air bag 23 is avoided.
The utility model also provides a commercial car, including above-mentioned front axle air suspension assembly.
Compared with the prior art, the utility model discloses an advantage is with positive effect: the utility model provides a front axle air suspension assembly and commercial car plays the effect of leaf spring shock attenuation direction through disposing first spring board to, and, the second spring board is used for the shock attenuation direction on the one hand, and on the other hand still plays the effect of installation gasbag, and like this, the installation of cylinder and spring board heap, the suspension bulk stiffness reduces, improves commercial car ride comfort and stability; due to the fact that the number of the spring plates is reduced, the whole structure of the front axle air suspension assembly is simplified, the whole weight is reduced, and manufacturing cost is reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. A front axle air suspension assembly, comprising: the damping mechanism is respectively arranged on two sides of the frame, and two hinged seats which are arranged at intervals are respectively arranged on two sides of the frame;
the damping mechanism comprises a first spring plate, a second spring plate and an air bag, wherein the length of the first spring plate is greater than that of the second spring plate, two ends of the first spring plate are respectively hinged to the corresponding hinged seats, the second spring plate is arranged on the upper surface of the first spring plate, the hinged end of the second spring plate is hinged to one of the hinged seats, and the free end of the spring plate is arranged between the air bag and the frame.
2. The front axle air suspension assembly of claim 1 wherein said free end of said second spring plate is secured to said first spring plate.
3. The front axle air suspension assembly of claim 2 wherein a backing plate is disposed between the free end of the second spring plate and the first spring plate, a gap being formed between the second spring plate and the first spring plate.
4. The front axle air suspension assembly of claim 3 wherein a fastening bolt extends through said first spring plate, said backing plate and said second spring plate in sequence and is connected to a retaining nut.
5. The front axle air suspension assembly of claim 1 wherein said hinged end of said second spring plate is welded to a corresponding end of said first spring plate.
6. The front axle air suspension assembly of claim 1 wherein a lower portion of the frame is provided with a first mounting seat and a corresponding end portion of said second spring plate is provided with a second mounting seat, said air bag being located between said first and second mounting seats.
7. The front axle air suspension assembly of claim 1, wherein a limit seat is disposed at a bottom of the frame, and a buffer block is further disposed on the second spring plate and located below the limit seat.
8. A commercial vehicle comprising a front axle air suspension assembly as claimed in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220905499.0U CN217495771U (en) | 2022-04-19 | 2022-04-19 | Front axle air suspension assembly and commercial vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220905499.0U CN217495771U (en) | 2022-04-19 | 2022-04-19 | Front axle air suspension assembly and commercial vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217495771U true CN217495771U (en) | 2022-09-27 |
Family
ID=83349147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220905499.0U Active CN217495771U (en) | 2022-04-19 | 2022-04-19 | Front axle air suspension assembly and commercial vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217495771U (en) |
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2022
- 2022-04-19 CN CN202220905499.0U patent/CN217495771U/en active Active
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