Lightweight chassis of electro-tricycle

Abstract

The utility model discloses a light-weight chassis of an electro-tricycle, which relates to the technical field of chassis of tricycles and comprises a frame, the right end of the frame is closed, a large beam is fixedly connected to the middle inside the frame, two bearing columns are fixedly connected to the right side of the large beam, and the right ends of the two bearing columns are both fixedly connected with the inner side wall of the right end of the frame. A plurality of fixing columns are fixedly connected between the two bearing columns and the frame, an extension rod is fixedly connected to the tail end of the left side of the frame, four second reinforcing ribs are arranged between the extension rod and the large beam column, and a rhombus structure is formed among the four second reinforcing ribs and used for connecting the frame, the large beam column and the extension rod; the two ends of the extension rod are fixedly connected with first reinforcing ribs, and the tail ends of the first reinforcing ribs are fixedly connected with the outer side of the frame. The chassis has the advantages that by optimizing the structural design and adopting the large beams, the bearing columns, the fixing columns, the reinforcing ribs in specific layout and the like, unnecessary material use is reduced, and light weight of the chassis is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a three-wheeled vehicle chassis technical field, concretely relates to a light weight vehicle chassis of electric tricycle. BACKGROUND

[0002] The electric tricycle is a three-wheeled transport tool for pulling goods or people with battery power and motor drive, adopts tube type large capacity, left and right lining, deep discharge, traction type battery, can adapt to the requirement of long time work continuous discharge, battery normal use two years, content volume does not reduce, electric tricycle motor adopts direct current series excitation traction type brush or brushless motor, motor inside is equipped with speed regulation reinforcing device, normal use is not easy to damage, guarantees that the output power is strong.

[0003] In the prior art, the chassis of the electric tricycle includes a bottom plate and a fixed beam arranged in the longitudinal and transverse directions at the lower part of the bottom plate, since the electric tricycle often travels on rough road surface, the strength and stability of the chassis are required to be higher, which leads to that the fixed beams of the bottom plate are arranged in more and are more dense, resulting in that more materials are used for the chassis, greatly increasing the overall weight of the entire vehicle body, and the increased materials and structural complexity inevitably lead to the increase of production cost, in view of the above problems, the light weight vehicle chassis of the electric tricycle is proposed to solve the problems. SUMMARY

[0004] To solve the above technical problems, the utility model provides a light weight vehicle chassis of electric tricycle, solve above's current prior art in the chassis of electric tricycle includes bottom plate and the fixed beam of setting in the longitudinal and transverse directions at the lower part of bottom plate, since electric tricycle often travels on rough road surface, the strength and stability of the chassis are required to be higher, which leads to that the fixed beams of the bottom plate are arranged in more and are more dense, resulting in that more materials are used for the chassis, greatly increasing the overall weight of the entire vehicle body, and the increased materials and structural complexity inevitably lead to the increase of production cost.

[0005] To achieve the above purpose, the utility model adopts the technical scheme as follows: a light weight vehicle chassis of electric tricycle, including the frame, the right end of frame is closed, the inside middle position of frame is fixedly connected with the girder, the right side of girder is fixedly connected with two bearing columns, the right end of two bearing columns is fixedly connected with the inside wall of right end of frame, a plurality of fixed columns are fixedly connected between two bearing columns and frame, the left end of frame is fixedly connected with the extension rod, four second reinforcing bars are arranged between extension rod and girder, the four second reinforcing bars form a diamond structure for connecting frame, girder and extension rod, the two ends of extension rod are fixedly connected with first reinforcing bars, and the left end of first reinforcing bar is fixedly connected with the outside of frame.

[0006] Preferably, the four second reinforcing rib bottom surfaces are fixedly connected with first hanging rods, the bottom of the two first hanging rods on the same side is fixedly connected with a first connecting plate, the bottom of the two first connecting plates is fixedly connected with a second connecting plate, and the upper portion of the two first connecting plates is fixedly connected with at least two mounting plates.

[0007] Preferably, the bottom of the two bearing columns is fixedly connected with two second hanging rods, and the bottom of the four second hanging rods is fixedly connected with a mounting frame.

[0008] Preferably, the inside of the mounting frame is fixedly connected with at least two first placing plates in the length direction, and is fixedly connected with at least five second placing plates in the width direction, and the first placing plates and the second placing plates are arranged in a mutually interwoven manner.

[0009] Preferably, the upper surface of the frame is fixedly connected with an installation bracket arranged in an inclined manner on the right side in the middle, the top of the installation bracket is fixedly connected with a mounting cylinder, and the mounting cylinder and the frame are fixedly connected with inclined supporting rods on the front and rear sides of the installation bracket.

[0010] Preferably, the length of the extension rod is greater than the width of the frame, and the lengths of the portions of the extension rod that exceed the width of the frame are equal.

[0011] Preferably, the girder rod, the bearing column, the fixed column, the extension rod, the first reinforcing rib and the second reinforcing rib are all made of an aluminum alloy material, and the content of aluminum in the aluminum alloy material is not less than 90%.

[0012] Preferably, the surfaces of the first placing plates and the second placing plates are provided with rubber non-slip pads, the thickness of the rubber non-slip pads is 5-10mm, and the rubber non-slip pads are used to prevent rigid damage of components mounted in the mounting frame.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] 1、 the utility model discloses a frame structure of a vehicle body, which comprises a frame, a girder rod, a bearing column, a fixed column, an extension rod and a plurality of reinforcing ribs, wherein the frame is provided with a plurality of first reinforcing ribs arranged in a plurality of rows and a plurality of second reinforcing ribs arranged in a plurality of rows, the first reinforcing ribs and the second reinforcing ribs are arranged in a staggered manner, the bottom of the frame is fixedly connected with the girder rod, the bottom of the girder rod is fixedly connected with the bearing column, the bottom of the bearing column is fixedly connected with the fixed column, the bottom of the fixed column is fixedly connected with the extension rod, the bottom of the extension rod is fixedly connected with the first reinforcing ribs, and the bottom of the first reinforcing ribs is fixedly connected with the second reinforcing ribs.

[0015] 2、The utility model discloses a bottom plate that is simple in structure and convenient to produce, and the material cost and processing cost in the production process are reduced.

[0016] 3、Although the bottom plate is lightweight, the reasonable layout of the load-bearing column, the reinforcing rib and other components still ensures that the bottom plate has high strength and stability, such as the several fixed columns connected between the two load-bearing columns and the frame, which enhances the stability of the overall structure, and the first reinforcing rib at the two ends of the extension rod and the second reinforcing rib between the extension rod and the girder rod, which reinforces the frame from multiple directions to ensure that the bottom plate can withstand a large impact force when the vehicle drives on rough roads, ensuring the safe driving of the vehicle.

[0017] 4、The utility model discloses a plurality of structures for installing components, such as the first and second placement pieces arranged in a woven manner in the mounting frame, which facilitates the installation of various equipment and components, and this arrangement can effectively utilize space, making the component layout more reasonable, and the mounting bracket, mounting cylinder and diagonal support rod on the frame provide a stable support structure for the front fork, improving the practicability and functionality of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of the utility model;

[0019] Figure 2 is another structural schematic view of the utility model from another angle;

[0020] Figure 3 is Figure 2 is a local enlarged schematic view of A in the middle.

[0021] Reference numerals in the drawing are:

[0022] 1, frame; 2, girder rod; 3, load-bearing column; 4, fixed column; 5, extension rod; 6, first reinforcing rib; 7, second reinforcing rib; 8, first suspension rod; 9, first connecting piece; 10, second connecting piece; 11, mounting piece; 12, second suspension rod; 13, mounting frame; 14, first placement piece; 15, second placement piece; 16, mounting bracket; 17, diagonal support rod; 18, mounting cylinder. DETAILED DESCRIPTION

[0023] The following description is used to disclose the utility model so that those skilled in the art can implement the utility model. The preferred embodiments in the following description are only as examples, and those skilled in the art can think of other obvious variants.

[0024] Referring to Figures 1-3 As shown in the figure, a lightweight chassis of an electric tricycle, comprising a frame 1, the right end of the frame 1 is closed, a girder rod 2 is fixedly connected at the middle position inside the frame 1, two load-bearing columns 3 are fixedly connected to the right side of the girder rod 2, the right ends of the two load-bearing columns 3 are fixedly connected to the inner side wall of the right end of the frame 1, and a plurality of fixed columns 4 are fixedly connected between the two load-bearing columns 3 and the frame 1. The function of the fixed column 4 is to further enhance the connection strength between the frame 1 and the load-bearing column 3, form a stable structure, and improve the overall carrying capacity. These fixed columns 4 can be evenly distributed in the space between the load-bearing column 3 and the frame 1, and the number and position can be adjusted according to the actual stress condition. The left end of the frame 1 is fixedly connected with an extension rod 5, four second reinforcing ribs 7 are arranged between the extension rod 5 and the girder rod 2, and the four second reinforcing ribs 7 form a diamond structure for connecting the frame 1, the girder rod 2 and the extension rod 5. During the installation of the four second reinforcing ribs 7, accurate measurement and positioning are required to ensure the accuracy of the diamond structure, so as to fully play the role of enhancing the connection stability. At the same time, the first reinforcing rib 6 is installed at both ends of the extension rod 5, and the end of the first reinforcing rib 6 is fixedly connected with the outer side of the frame 1, further enhancing the structural strength of the left side of the frame 1. Both ends of the extension rod 5 are fixedly connected with the first reinforcing rib 6, and the end of the first reinforcing rib 6 is fixedly connected with the outer side of the frame 1. The right end of the frame 1 is closed. This design not only saves materials, but also reduces weight to a certain extent without affecting the overall strength. The girder rod 2 is fixedly connected at the middle position inside the frame 1, and the welding or high-strength bolt connection method is used to ensure the firm connection between the girder rod 2 and the frame 1, providing longitudinal main support force for the entire chassis.

[0025] Further, the bottom middle of each of the four second reinforcing ribs 7 is fixedly connected with a first suspension rod 8, the bottom of the two first suspension rods 8 on the same side is fixedly connected with a first connecting plate 9, the bottom of the two first connecting plates 9 is fixedly connected with a second connecting plate 10, and at least two mounting plates 11 are fixedly connected above the two first connecting plates 9. The installation of these mounting plates 11 can be used to install components such as drive motors and shock absorbers, improving the comfort of vehicle driving.

[0026] Further, the bottom of each of the two load-bearing columns 3 is fixedly connected with two second suspension rods 12, and the bottom of the four second suspension rods 12 is fixedly connected with a mounting frame 13. The mounting frame 13 is used to install important components of the vehicle such as driving devices and batteries.

[0027] Further, at least two first placement plates 14 are fixedly connected inside the mounting frame 13 in the length direction, and at least five second placement plates 15 are fixedly connected inside the mounting frame 13 in the width direction. The first placement plate 14 and the second placement plate 15 are arranged in a mutually interwoven manner. This arrangement can provide stable support and positioning for the components installed in the mounting frame 13.

[0028] Further, the right middle part of the upper surface of the frame 1 is fixedly connected with an installation support 16 arranged in an inclined manner, the inclination angle of the installation support 16 is determined according to actual installation requirements, and can generally be between 30°-60°, the top of the installation support 16 is fixedly connected with an installation cylinder 18, and the installation cylinder 18 is fixedly connected with inclined support rods 17 on the front and rear sides of the installation support 16, the inclined support rods 17 can enhance the stability of the installation support 16 and the installation cylinder 18, and ensure that the steering mechanism of the vehicle installed in the installation cylinder 18 can work normally.

[0029] Further, the length of the extension rod 5 is greater than the width of the frame 1, and the lengths of the portions of the extension rod 5 that exceed the width of the frame 1 at both ends are equal, such length design can provide more stable support for the vehicle, effectively reduce the risk of vehicle rollover during vehicle driving, especially during turning or driving on rough roads, and facilitate the installation of key components such as steering mechanisms, suspension systems, etc., and enhance the overall control performance and stability of the vehicle.

[0030] Optionally, the girder rod 2, the load-bearing column 3, the fixed column 4, the extension rod 5, the first reinforcing rib 6 and the second reinforcing rib 7 are all made of aluminum alloy material, and the content of aluminum element in the aluminum alloy material is not less than 90%, by using such aluminum alloy material, the overall weight is reduced while the structural strength is ensured.

[0031] Optionally, the surfaces of the first placement piece 14 and the second placement piece 15 are provided with rubber non-slip pads, the thickness of the rubber non-slip pads is 5-10 mm, which is used to prevent rigid damage of the components installed in the installation frame 13.

[0032] Working principle: the girder rod 2, the load-bearing column 3, the fixed column 4, and the first reinforcing rib 6 and the second reinforcing rib 7 arranged in a specific manner are used to reduce unnecessary material use, realize the lightweight of the chassis, and utilize the four second reinforcing ribs 7 to form a diamond-shaped structure to connect the frame 1, the girder rod 2 and the extension rod 5, which ensures stable connection, uses less material compared with the traditional dense fixed beam structure, effectively reduces the weight of the chassis, and further reduces the weight of the entire vehicle body, reduces the material cost and processing cost in the production process, the reduction of materials directly reduces the raw material procurement cost, and the simplification of the structure reduces the processing procedures and time, improves the production efficiency, and further reduces the production cost.

[0033] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection required by the present application is defined by the appended claims and their equivalents.

Claims

1. A lightweight chassis for an electrically powered tricycle, characterised in that: The utility model provides a kind of vehicle frame, including frame (1), the right end of the frame (1) is closed, the inside middle position of the frame (1) is fixedly connected with girder rod (2), the right side of the girder rod (2) is fixedly connected with two load-bearing columns (3), the right end of two load-bearing columns (3) is fixedly connected with the inside wall of the right end of frame (1), and a plurality of fixed columns (4) are fixedly connected between two load-bearing columns (3) and frame (1), the left end of the frame (1) is fixedly connected with extension rod (5), four second reinforcing ribs (7) are arranged between the extension rod (5) and the girder rod (2), and the extension rod (5) is fixedly connected with first reinforcing rib (6) at both ends, and the end of the first reinforcing rib (6) is fixedly connected with the outside of the frame (1).

2. The lightweight chassis of the electric tricycle according to claim 1, characterized in that: The bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6), and the bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6).

3. The lightweight chassis of the electric tricycle according to claim 1, characterized in that: The bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6), and the bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6).

4. The lightweight chassis of the electrically motorized tricycle according to claim 3, characterized in that: The bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6), and the bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6).

5. The lightweight chassis of the electrically motorized tricycle according to claim 1, characterized in that: The bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6), and the bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6).

6. A lightweight chassis for an electrically powered tricycle according to claim 1, characterized in that: The bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6), and the bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6).

7. The lightweight chassis of the electrically motorized tricycle according to claim 1, characterized in that: The bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6), and the bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6).

8. The lightweight chassis of the electrically motorized tricycle according to claim 4, characterized in that: The bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6), and the bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6). The bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6), and the bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6). The bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6), and the bottom of the first reinforcing rib (6) is fixedly connected with the bottom of the first reinforcing rib (6).

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