CN211308168U - Rear suspension and logistics distribution vehicle - Google Patents
Rear suspension and logistics distribution vehicle Download PDFInfo
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- CN211308168U CN211308168U CN201922403617.9U CN201922403617U CN211308168U CN 211308168 U CN211308168 U CN 211308168U CN 201922403617 U CN201922403617 U CN 201922403617U CN 211308168 U CN211308168 U CN 211308168U
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Abstract
The utility model relates to a logistics distribution technical field discloses a rear suspension and logistics distribution car. The rear suspension includes rear axle and multi-link assembly, and the tip of rear axle is configured to be connected with the rear wheel hub, and multi-link assembly includes first pole, second pole, third pole and fourth pole, and the one end of first pole, second pole, third pole and fourth pole all is configured to be connected with the frame, and the other end all rotates with the rear axle to be connected, and the tie point of first pole, second pole, third pole and fourth pole and frame is four summits of isosceles trapezoid. The logistics distribution vehicle comprises the rear suspension. The utility model provides a rear suspension and commodity circulation delivery car, the tie point of first pole, second pole, third pole and fourth pole and frame are four summits of isosceles trapezoid, and the structural symmetry, the atress is even, and bearing capacity is strong, and simple structure is nimble, and is with low costs, and structural strength is big, simultaneously, possesses a plurality of tie points with the frame, has strengthened the joint strength of rear axle and frame, has guaranteed driving safety.
Description
Technical Field
The utility model relates to a logistics distribution technical field especially relates to a rear suspension and logistics distribution car.
Background
With the rise of electronic commerce, the proportion of online shopping in the shopping mode of people is larger and larger, and the traditional logistics distribution vehicle cannot adapt to the gradually increased delivery amount to a certain extent, so that the driverless logistics distribution vehicle is provided for improving the distribution efficiency and relieving the distribution pressure of couriers.
However, most of the existing unmanned logistics distribution vehicles are agvs (automated Guided vehicles), which only comprise a battery, a controller and a motor, and have a single function and no rear suspension. Even if other vehicles are provided with rear suspensions, most vehicles are complex and heavy in structure and high in cost, and the requirements of new-generation logistics distribution vehicles are not met.
SUMMERY OF THE UTILITY MODEL
Based on above problem, the utility model aims to provide a rear suspension and commodity circulation delivery car, simple structure is nimble, and is with low costs, and bearing capacity is strong.
In order to achieve the purpose, the utility model adopts the following technical proposal:
a rear suspension, comprising:
a rear axle, an end of the rear axle configured to connect with a rear wheel hub;
the multi-link assembly comprises a first rod, a second rod, a third rod and a fourth rod, one end of each of the first rod, the second rod, the third rod and the fourth rod is configured to be connected with a frame, the other end of each of the first rod, the second rod, the third rod and the fourth rod is rotatably connected with the rear axle, and connection points of the first rod, the second rod, the third rod and the fourth rod with the frame are four vertexes of an isosceles trapezoid.
As the utility model discloses a preferred scheme of back suspension, the length of second pole does 1.5 times of the length of first pole, the length of fourth pole does 1.5 times of the length of third pole.
As the utility model discloses a rear suspension's preferred scheme, first pole with the third pole with the axial contained angle of rear axle is 110, the second pole with the fourth pole with the axial contained angle of rear axle is 55.
As the utility model discloses a rear suspension's preferred scheme, be provided with first mount pad on the rear axle, first pole with the second pole rotate respectively install in on the first mount pad.
As the utility model discloses a rear suspension's preferred scheme, be provided with the second mount pad on the rear axle, the second mount pad with first mount pad interval sets up, the third pole with the fourth pole rotate respectively install in on the first mount pad.
As the utility model discloses a rear suspension's preferred scheme, rear suspension still includes the stabilizer bar, the stabilizer bar one end with the rear axle connects, the other end be configured into with the frame connection.
As the utility model discloses a rear suspension's preferred scheme, the vertical third mount pad that is provided with on the rear axle, the one end of stabilizer bar rotate install in on the third mount pad.
As the utility model discloses a rear suspension's preferred scheme, rear suspension still includes two bumper shock absorbers that the interval set up, the one end of bumper shock absorber with the rear axle connects, the other end be configured into with the frame attach.
As the utility model discloses a rear suspension's preferred scheme, be provided with the fourth mount pad on the rear axle, the one end of bumper shock absorber rotate install in on the fourth mount pad.
A logistics distribution vehicle comprises the rear suspension frame.
The utility model has the advantages that:
the utility model provides a rear suspension and commodity circulation delivery car, the rear suspension includes rear axle and many link assembly, the tip of rear axle is used for being connected with the rear wheel hub, many link assembly includes first pole, the second pole, third pole and fourth pole, first pole, the second pole, the one end of third pole and fourth pole all is used for with connected to the frame, the other end all rotates with the rear axle to be connected, first pole, the second pole, the tie point of third pole and fourth pole and frame is four summits of isosceles trapezoid, the structure symmetry, the atress is even, strong bearing capacity, simple structure is nimble, and is with low costs, and structural strength is big, and simultaneously, possess a plurality of tie points with the frame, the joint strength of rear axle and frame has been strengthened, driving safety has been guaranteed, the commodity circulation loss risk has been reduced, accord with the requirement of new generation commodity circulation delivery car.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.
FIG. 1 is an isometric view of a rear suspension provided in an embodiment of the present invention;
fig. 2 is a top view of a rear suspension according to an embodiment of the present invention.
In the figure:
1-a rear axle; 2-a multi-link assembly; 3-a stabilizer bar; 4-a shock absorber; 5-a sleeve;
11-a first mount; 12-a second mount; 13-a third mount; 14-a fourth mount;
21-a first rod; 22-a second rod; 23-a third rod; 24-fourth bar;
100-rear wheel hub.
Detailed Description
In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment provides a rear suspension which can be used in an unmanned logistics distribution vehicle. As shown in fig. 1 and 2, the rear suspension includes a rear axle 1 and a multi-link assembly 2. Wherein, the end of the rear axle 1 is configured to be connected with the rear wheel hub 100, the multi-link assembly 2 includes a first rod 21, a second rod 22, a third rod 23 and a fourth rod 24, one end of each of the first rod 21, the second rod 22, the third rod 23 and the fourth rod 24 is configured to be connected with the frame, and the connection of the first rod 21, the second rod 22, the third rod 23 and the fourth rod 24 with the frame can adopt the connection manner of the sleeve 5 and the axle pin. First pole 21, second pole 22, the other end of third pole 23 and fourth pole 24 all rotates with rear axle 1 to be connected, first pole 21, second pole 22, the tie point of third pole 23 and fourth pole 24 and frame is four summits of isosceles trapezoid, the structure symmetry, the atress is even, bearing capacity is strong, simple structure is nimble, and is with low costs, and structural strength is big, and simultaneously, possess a plurality of tie points with the frame, the joint strength of rear axle 1 with the frame has been strengthened, driving safety has been guaranteed, logistics distribution loss risk has been reduced, accord with the requirement of new generation logistics distribution car.
To ensure optimal stressing of the multi-link assembly 2, optionally the second bar 22 has a length 1.5 times the length of the first bar 21 and the fourth bar 24 has a length 1.5 times the length of the third bar 23. To further ensure optimal stress of the multi-link assembly 2, the first and third rods 21, 23 may optionally be at an axial angle of 110 ° to the rear axle 1, and the second and fourth rods 22, 24 may optionally be at an axial angle of 55 ° to the rear axle 1.
To facilitate the installation of the first rod 21 and the second rod 22, optionally, a first mounting seat 11 is provided on the rear axle 1, and the first rod 21 and the second rod 22 are respectively rotatably installed on the first mounting seat 11. In this embodiment, the first mounting seat 11 is a channel steel, two side plates of the channel steel are provided with a total of four holes, and one end of the first rod 21 or one end of the second rod 22 is rotatably connected to the first mounting seat 11 through the sleeve 5 and the shaft pin. First mounting seat 11 may be fixedly connected to rear axle 1 by bolts, or may be welded to rear axle 1.
In order to facilitate the installation of the third rod 23 and the fourth rod 24, optionally, a second mounting seat 12 is provided on the rear axle 1, the second mounting seat 12 is spaced apart from the first mounting seat 11, and the third rod 23 and the fourth rod 24 are respectively rotatably installed on the first mounting seat 11. In the present embodiment, the second mount 12 is similar in structure to the first mount 11.
To improve the stability of the rear axle 1, the rear suspension optionally further comprises a stabilizer bar 3, one end of the stabilizer bar 3 being connected to the rear axle 1 and the other end being configured to be connected to the vehicle frame. In order to facilitate the installation of the stabilizer bar 3, optionally, a third mounting seat 13 is vertically disposed on the rear axle 1, and one end of the stabilizer bar 3 is rotatably mounted on the third mounting seat 13. The third mounting base 13 may be fixedly connected to the rear axle 1 by bolts, or may be welded to the rear axle 1.
To improve the shock absorbing performance, the rear suspension optionally further comprises two shock absorbers 4 arranged at an interval, one end of the shock absorber 4 is connected with the rear axle 1, and the other end is configured to be connected with the vehicle frame. To facilitate mounting of the shock absorber 4, optionally, a fourth mounting seat 14 is provided on the rear axle 1, and one end of the shock absorber 4 is rotatably mounted on the fourth mounting seat 14.
The rear suspension that this embodiment provided includes rear axle 1 and many link assembly 2, the tip of rear axle 1 is used for being connected with rear wheel hub 100, many link assembly 2 includes first pole 21, second pole 22, third pole 23 and fourth pole 24, first pole 21, second pole 22, the one end of third pole 23 and fourth pole 24 all is used for being connected with the frame, the other end all rotates with rear axle 1 to be connected, first pole 21, second pole 22, the tie point of third pole 23 and fourth pole 24 and frame is four summits of isosceles trapezoid, the structure is symmetrical, the atress is even, bearing capacity is strong, simple structure is nimble, and is with low costs, structural strength is big, simultaneously, possess a plurality of tie points with the frame, the joint strength of rear axle 1 with the frame has been strengthened, driving safety has been guaranteed, logistics distribution loss risk has been reduced, accord with the requirement of new generation logistics distribution car.
This embodiment still provides a commodity circulation distribution car, including foretell rear suspension, first pole 21, second pole 22, the tie point of third pole 23 and fourth pole 24 and frame is four summits of isosceles trapezoid, the structure symmetry, the atress is even, bearing capacity is strong, simple structure is nimble, and is with low costs, and structural strength is big, and simultaneously, possess a plurality of tie points with the frame, the joint strength of rear axle 1 with the frame has been strengthened, driving safety has been guaranteed, the commodity circulation distribution loss risk has been reduced, accord with the requirement of new generation commodity circulation distribution car.
It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments illustrated herein, but is capable of various obvious modifications, rearrangements and substitutions without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.
Claims (10)
1. A rear suspension, comprising:
a rear axle (1), the end of the rear axle (1) being configured to be connected with a rear wheel hub (100);
the multi-link assembly (2) comprises a first rod (21), a second rod (22), a third rod (23) and a fourth rod (24), one ends of the first rod (21), the second rod (22), the third rod (23) and the fourth rod (24) are all configured to be connected with a frame, the other ends of the first rod (21), the second rod (22), the third rod (23) and the fourth rod (24) are all rotatably connected with the rear axle (1), and connection points of the first rod (21), the second rod (22), the third rod (23) and the fourth rod (24) and the frame are four vertexes of an isosceles trapezoid.
2. A rear suspension according to claim 1, characterized in that the length of the second bar (22) is 1.5 times the length of the first bar (21) and the length of the fourth bar (24) is 1.5 times the length of the third bar (23).
3. Rear suspension according to claim 1, characterized in that the first and third bars (21, 23) are axially angled at 110 ° to the rear axle (1) and the second and fourth bars (22, 24) are axially angled at 55 ° to the rear axle (1).
4. A rear suspension according to claim 1, characterized in that a first mounting seat (11) is provided on the rear axle (1), the first rod (21) and the second rod (22) being rotatably mounted on the first mounting seat (11), respectively.
5. Rear suspension according to claim 4, characterized in that a second mounting seat (12) is provided on the rear axle (1), said second mounting seat (12) being arranged spaced apart from said first mounting seat (11), said third rod (23) and said fourth rod (24) being rotatably mounted on said first mounting seat (11), respectively.
6. A rear suspension according to claim 1, characterized in that it further comprises a stabilizer bar (3), one end of the stabilizer bar (3) being connected to the rear axle (1) and the other end being configured to be connected to the frame.
7. A rear suspension according to claim 6, characterized in that a third mounting (13) is arranged vertically on the rear axle (1), and one end of the stabilizer bar (3) is rotatably mounted on the third mounting (13).
8. A rear suspension according to any one of claims 1-7, characterized in that the rear suspension further comprises two shock absorbers (4) arranged at a distance, one end of the shock absorbers (4) being connected to the rear axle (1) and the other end being configured to be connected to the vehicle frame.
9. Rear suspension according to claim 8, characterized in that a fourth mounting (14) is provided on the rear axle (1), on which fourth mounting (14) one end of the shock absorber (4) is rotatably mounted.
10. Logistics distribution vehicle, characterized in that it comprises a rear suspension according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922403617.9U CN211308168U (en) | 2019-12-27 | 2019-12-27 | Rear suspension and logistics distribution vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922403617.9U CN211308168U (en) | 2019-12-27 | 2019-12-27 | Rear suspension and logistics distribution vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211308168U true CN211308168U (en) | 2020-08-21 |
Family
ID=72075825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922403617.9U Active CN211308168U (en) | 2019-12-27 | 2019-12-27 | Rear suspension and logistics distribution vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211308168U (en) |
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2019
- 2019-12-27 CN CN201922403617.9U patent/CN211308168U/en active Active
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