CN218431458U - Commercial car driver's cabin front suspension assembly - Google Patents
Commercial car driver's cabin front suspension assembly Download PDFInfo
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- CN218431458U CN218431458U CN202222304061.XU CN202222304061U CN218431458U CN 218431458 U CN218431458 U CN 218431458U CN 202222304061 U CN202222304061 U CN 202222304061U CN 218431458 U CN218431458 U CN 218431458U
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- front suspension
- assembly
- stabilizer bar
- swing arm
- commercial vehicle
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Abstract
The utility model discloses a commercial vehicle cab front suspension assembly, which comprises a left front suspension, a right front suspension and a stabilizer bar assembly; the left front suspension and the right front suspension are the same in structure, and the left front suspension is of a structure that: the device comprises a front suspension upper bracket, a shock absorber assembly and a turning bracket, wherein the front suspension upper bracket is a net-shaped body, the front suspension upper bracket is fixedly connected with the left end of a stabilizer bar in the stabilizer bar assembly, the working end of the shock absorber assembly is rotationally connected with the left end of the stabilizer bar in the stabilizer bar assembly, and the turning bracket is rotationally connected with a left turning arm in the stabilizer bar assembly through a swing arm assembly; the front suspension upper bracket adopts a net structure, so that the whole vehicle can be lightened on one hand, and the cab can be uniformly stressed on the other hand; the front suspension with the damping function and the existing rear suspension form a four-point suspension, so that the stability of the whole vehicle is improved, and comfortable driving experience is brought to drivers; the swing arm assembly is adopted to effectively solve the problems of abnormal sound and abrasion generated at the position in the existing front suspension.
Description
Technical Field
The utility model belongs to the technical field of the commercial car, especially, suspension assembly before commercial car driver's cabin.
Background
With the continuous development of road traffic networks in China, heavy trucks increasingly undertake the task of transportation. At present, the front suspension of a cab of a commercial vehicle is mostly a semi-floating suspension, the vibration of the cab is large, and poor driving experience is brought to drivers. Meanwhile, the light weight structure is not adopted in the previous front suspension, so that the problems of difficult assembly and inconvenient after-sale replacement are caused. The rotary joint in the existing front suspension also has the problem of abnormal sound. Therefore, it is urgently needed to design a suspension which meets the market demand.
Disclosure of Invention
The utility model provides a suspension assembly before commercial car driver's cabin, the purpose is in order to solve current product existence travelling comfort poor and heavier problem.
In order to solve the technical problem, the technical scheme of the utility model is that: a front suspension assembly of a cab of a commercial vehicle comprises a left front suspension, a right front suspension and a stabilizer bar assembly, wherein the left front suspension and the right front suspension are connected into a whole through the stabilizer bar assembly; the method is characterized in that: the structure of left front suspension and right front suspension is the same, and the structure of left front suspension: the front suspension upper support is a net-shaped body and is fixedly connected with the left end of a stabilizer bar in the stabilizer bar assembly, the front suspension upper support is used for being connected with a cab, the damper assembly is fixed on a chassis frame, the working end of the damper assembly is rotatably connected with the left end of the stabilizer bar in the stabilizer bar assembly, the overturning support is rotatably connected with a left overturning arm in the stabilizer bar assembly through a swing arm assembly, and the overturning support is used for being connected with the chassis frame.
The technical scheme is further limited, and the front suspension upper bracket is in interference connection with the stabilizer bar in the stabilizer bar assembly through a bushing.
The technical scheme is further limited, and the structure of the front suspension bracket is as follows: including driver's cabin connecting portion and stabilizer bar connecting portion, it has a plurality of archs to distribute on the limit portion of driver's cabin connecting portion, is equipped with the connecting hole on the binding face of arch and driver's cabin connecting portion, is equipped with a plurality of muscle bodies on the bottom surface of driver's cabin connecting portion, and the other end of the many muscle bodies outwards extends to be connected with stabilizer bar connecting portion, is equipped with the bush hole on the stabilizer bar connecting portion.
Further defined in the above technical solution, the adjacent protrusions are continuous to form a wavy structure of protrusions and depressions.
The technical scheme is further limited, and the rib body is in a bent and bent shape.
The technical scheme is further improved, and a plurality of reinforcing ribs are distributed between the adjacent rib bodies.
The technical scheme is further improved, wherein a secondary support is arranged on one side of the front suspension upper support and used for being connected with a cab lifting system.
The technical scheme is further limited, and the swing arm assembly is structured as follows: the swing arm assembly comprises a swing arm bushing, a rotating pin and a turnover seat, wherein the swing arm bushing is in interference fit with a left turnover arm in the stabilizer bar assembly, the turnover seat is connected with the swing arm bushing in a rotating mode through the rotating pin, and a turnover support connecting hole is formed in the turnover seat.
The technical scheme is further limited, the turnover seat is of a U-shaped structure, and the turnover support connecting hole is located in the bottom of the turnover seat.
The utility model discloses beneficial effect: the front suspension upper bracket adopts a net structure, so that the whole vehicle can be lightened on one hand, and the cab can be uniformly stressed on the other hand; the front suspension with the damping function and the existing rear suspension form a four-point suspension, so that the stability of the whole vehicle is improved, and comfortable driving experience is brought to drivers; the swing arm assembly is adopted to effectively solve the problems of abnormal sound and abrasion generated at the position in the existing front suspension.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic view of the left front suspension structure of the present invention.
Fig. 3 is a schematic view of the structure of the stabilizer bar assembly of the present invention.
Fig. 4 is a schematic view of the structure of the middle front suspension upper bracket of the present invention.
Fig. 5 is a schematic structural view of the middle damper assembly and the swing arm assembly of the present invention.
Fig. 6 is an assembly state diagram of the swing arm assembly of the present invention.
Fig. 7 is a schematic view of the structure of the turnover seat of the present invention.
Detailed Description
As shown in fig. 1 and 2, a cab front suspension assembly of a commercial vehicle comprises a left front suspension 1, a right front suspension 2 and a stabilizer bar assembly 3, wherein the left front suspension and the right front suspension are connected into a whole through the stabilizer bar assembly; the left front suspension and the right front suspension are identical in structure, and the left front suspension 1 is in structure: the front suspension upper bracket is a net-shaped body, the front suspension upper bracket is fixedly connected with the left end of a stabilizer bar in the stabilizer bar assembly, the front suspension upper bracket is used for connecting a cab, the shock absorber assembly can be fixed on a chassis frame, the working end of the shock absorber assembly is rotatably connected with the left end of the stabilizer bar in the stabilizer bar assembly, the overturning bracket is rotatably connected with a left overturning arm in the stabilizer bar assembly through a swing arm component 14 and is used for connecting the chassis frame, and the overturning bracket and the left overturning arm form a two-link structure to realize the up-and-down swinging of the left overturning arm;
as shown in fig. 1 and 3, the stabilizer bar assembly 3 is composed of a stabilizer bar 31, and a left turning arm 32 and a right turning arm 33 fixed on both ends of the stabilizer bar; the stabilizer bar is welded with the left swing arm and the right swing arm, so that the suspension stress intensity can be ensured, the assembly property is greatly improved, and the modular assembly is realized;
as shown in fig. 4, the front suspension bracket 11 is connected with a stabilizer bar in a stabilizer bar assembly in an interference manner through a bushing 4; the interference fit can reduce the number of parts, thereby being beneficial to light weight and cost reduction;
as shown in fig. 4, the front suspension upper bracket 11 has a structure that: the cab stabilizer comprises a cab connecting part 111 and a stabilizer bar connecting part 112, wherein a plurality of bosses 113 are distributed on the edge part of the cab connecting part, connecting holes 114 are formed in binding surfaces of the bosses and the cab connecting part, three rib bodies 115 are arranged on the bottom surface of the cab connecting part, the other ends of the plurality of rib bodies extend outwards to be connected with the stabilizer bar connecting part, and a lining hole is formed in the stabilizer bar connecting part; the front suspension upper bracket of the grid structure is beneficial to light weight and cost reduction;
as shown in fig. 4, the adjacent bosses 113 are continuous to form a wave-shaped structure of convex and concave; the adjacent bosses are connected into a whole, so that the stress of the connecting part is uniform, the stability of the connecting part is ensured, the safety is improved, and the service life is prolonged;
as shown in fig. 4, the rib 115 is bent; the curved rib body has better force bearing effect, is beneficial to light weight and cost reduction, and prolongs the service life;
as shown in fig. 4, a plurality of reinforcing ribs 116 are distributed between the adjacent rib bodies 115, so that the strength and the service life of the front suspension upper bracket are further improved;
as shown in fig. 5, an auxiliary bracket 5 is arranged on one side of the front suspension upper bracket and connected in a welding manner, and the auxiliary bracket is used for connecting a cab lifting system and playing a role in overturning a cab; the structure realizes modularization, is beneficial to the universal use of parts and is suitable for cabs of various models;
as shown in fig. 5, the structure of the damper assembly 12: the air bag type shock absorber comprises an air bag type shock absorber 121 and a shock absorber support 122, wherein the shock absorber support is fixedly connected with a frame, the bottom of the air bag type shock absorber is connected with the shock absorber support through a rotating shaft, and the working end of the air bag type shock absorber is rotatably connected with a stabilizer bar; the airbag shock absorber capable of absorbing large impact force and attenuating vibration is adopted, so that the vibration of a cab can be reduced, the semi-floating suspension is improved into a four-point suspension formed by the rear suspension, the stability of the whole vehicle is improved, and comfortable driving experience is brought to drivers;
as shown in fig. 5 and 6, the structure of the swing arm assembly 14 is: the swing arm assembly comprises a swing arm bushing 141, a rotating pin 142 and a turning seat 143, wherein the swing arm bushing is in interference fit with a left turning arm in the stabilizer bar assembly, the turning seat is in rotary connection with the swing arm bushing through the rotating pin, and a turning support connecting hole is formed in the turning seat; the structure is simple, the production cost is low, and the light weight is facilitated; the swing arm bushing solves the problems of abnormal sound, bushing abrasion and the like of the vehicle in the running process, and brings comfort feeling to drivers; the overturning seat can be connected with overturning supports of various types through overturning support connecting holes, so that the universal purpose is achieved;
the swing arm bushing belongs to the technical field of commercial vehicles and belongs to the conventional technology, and application number CN202022047896.2 discloses a swing arm bushing structure;
as shown in fig. 7, the turning seat 143 is a U-shaped structure, and the turning support connection hole is located on the bottom of the turning seat; the U-shaped structure not only ensures the strength, but also is beneficial to light weight and ensures the stability.
The utility model discloses the operation explanation: the designed front suspension assembly is used for connecting a cab and a chassis of a commercial vehicle, and plays a role in supporting and overturning in the cab overturning process. The working principle of the main parts is as follows: 1. the stabilizer bar is mainly used for connecting each part of the front suspension under the action of a framework; 2. the front suspension left and right upper brackets are connected with the cab and play a supporting role in the overturning process of the cab; 3. the shock absorber assembly reduces the vibration of the cab through inflation and deflation, and brings comfortable driving experience to drivers; 4. as shown in fig. 1, the altitude valve 6 can timely complete the air intake or exhaust actions by dynamically sensing the height change of the vehicle, so as to adjust the inflation and deflation of the front suspension air bag shock absorber and ensure that the cab is in a stable state.
Claims (9)
1. A front suspension assembly of a cab of a commercial vehicle comprises a left front suspension, a right front suspension and a stabilizer bar assembly, wherein the left front suspension and the right front suspension are connected into a whole through the stabilizer bar assembly; the method is characterized in that: the left front suspension and the right front suspension are the same in structure, and the left front suspension is of a structure that: the suspension type automobile stabilizer bar comprises a front suspension upper support, a shock absorber assembly and a turnover support, wherein the front suspension upper support is a net-shaped body, the front suspension upper support is fixedly connected with the left end of a stabilizer bar in the stabilizer bar assembly, the front suspension upper support is used for being connected with a cab, the shock absorber assembly is fixed on a chassis frame, the working end of the shock absorber assembly is rotatably connected with the left end of the stabilizer bar in the stabilizer bar assembly, the turnover support is rotatably connected with a left turnover arm in the stabilizer bar assembly through a swing arm assembly, and the turnover support is used for being connected with the chassis frame.
2. A commercial vehicle cab front suspension assembly as claimed in claim 1 wherein: the front suspension upper bracket is in interference connection with a stabilizer bar in the stabilizer bar assembly through a bushing.
3. A commercial vehicle cab front suspension assembly according to claim 1 or 2, wherein: the structure of the front suspension upper bracket is as follows: including driver's cabin connecting portion and stabilizer bar connecting portion, it has a plurality of archs to distribute on the limit portion of driver's cabin connecting portion, is equipped with the connecting hole on the binding face of arch and driver's cabin connecting portion, is equipped with a plurality of muscle bodies on the bottom surface of driver's cabin connecting portion, and the other end of the many muscle bodies outwards extends and is connected with stabilizer bar connecting portion, is equipped with the bush hole on the stabilizer bar connecting portion.
4. A commercial vehicle cab front suspension assembly as claimed in claim 3 wherein: the adjacent bulges are continuously in a wave-shaped structure of bulges and depressions.
5. A commercial vehicle cab front suspension assembly as claimed in claim 4 wherein: the rib body is in a bending shape.
6. A commercial vehicle cab front suspension assembly as claimed in claim 5 wherein: a plurality of reinforcing ribs are distributed between the adjacent rib bodies.
7. A commercial vehicle cab front suspension assembly as claimed in claim 3 wherein: and one side of the front suspension upper support is provided with an auxiliary support, and the auxiliary support is used for connecting a cab lifting system.
8. A commercial vehicle cab front suspension assembly as claimed in claim 1, 2 or 7 wherein: the structure of the swing arm component is as follows: the swing arm assembly comprises a swing arm bushing, a rotating pin and a turning seat, wherein the swing arm bushing is in interference fit with a left turning arm in a stabilizer bar assembly, the turning seat is in rotary connection with the swing arm bushing through the rotating pin, and a turning support connecting hole is formed in the turning seat.
9. The commercial vehicle cab front suspension assembly of claim 8, wherein: the turnover seat is of a U-shaped structure, and the turnover support connecting hole is located at the bottom of the turnover seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222304061.XU CN218431458U (en) | 2022-08-30 | 2022-08-30 | Commercial car driver's cabin front suspension assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222304061.XU CN218431458U (en) | 2022-08-30 | 2022-08-30 | Commercial car driver's cabin front suspension assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218431458U true CN218431458U (en) | 2023-02-03 |
Family
ID=85097144
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222304061.XU Active CN218431458U (en) | 2022-08-30 | 2022-08-30 | Commercial car driver's cabin front suspension assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218431458U (en) |
-
2022
- 2022-08-30 CN CN202222304061.XU patent/CN218431458U/en active Active
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