Split type frame of electric vehicle

Abstract

The utility model relates to a split type frame of an electric vehicle, and belongs to the technical field of frames of electric vehicles. The vehicle frame chassis comprises a vehicle frame chassis unit, the vehicle frame chassis unit structurally comprises an inclined assembling face, and the bottom of the inclined assembling face in the inclined direction is connected with an extending assembling face; a front fork mounting structure is vertically arranged on the inclined assembly surface, a middle curved chain mounting structure is arranged on the extension assembly surface, a side bracket mounting structure is arranged at the bottom of the extension assembly surface, and a rear bottom fork mounting structure is arranged at the tail part of the extension assembly surface; a vehicle body appearance modeling unit is assembled above the vehicle frame chassis unit, the vehicle body appearance modeling unit structurally comprises an inner wind shielding assembly, a front panel assembly is assembled on the outer vertical face of the inner wind shielding assembly, and a front fork mounting structure penetrates between the inner wind shielding assembly and the front panel assembly to form assembly. The vehicle frame chassis unit and the vehicle body appearance modeling unit are assembled in a split mode, production flexibility is improved, the vehicle frame chassis unit and the vehicle body appearance modeling unit are directly used as appearance parts, and additional covering of plastic parts is not needed.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle frames, in particular to a split frame for an electric vehicle. Background Art

[0002] With the strict standardization of the electric vehicle industry, especially the requirement that the total weight of an electric vehicle does not exceed 55 kg and the weight of plastic parts is limited within 3 kg, aiming to promote the development of electric vehicles towards a more lightweight, environmentally friendly and efficient direction, higher requirements are also put forward for the design, material selection and manufacturing process of electric vehicles. Therefore, manufacturers are facing unprecedented challenges.

[0003] In the existing technology, traditional carbon steel plates and steel pipes have a large mass density and weight, and are not suitable for the requirements of appearance parts; and the current frame appearance is not convenient to adjust, and the production flexibility is poor.

[0004] On this basis, it is urgent to develop a split frame for an electric vehicle. Summary of the Utility Model

[0005] The applicant of the present utility model aims at the shortcomings in the above-mentioned existing production technology, and provides a split frame for an electric vehicle. By combining the split frame chassis unit and the vehicle body appearance modeling unit, the problem of the fixed one-vehicle-one-platform is solved, the production flexibility is improved, and it can be directly used as an appearance part without additional plastic parts covering, and the frame weight is reduced.

[0006] The technical solution adopted by the present utility model is as follows: a split frame for an electric vehicle, including a frame chassis unit. The structure of the frame chassis unit is: including an inclined assembly surface, and an extended assembly surface is connected to the bottom of the inclined direction of the inclined assembly surface; a front fork mounting structure is arranged vertically on the inclined assembly surface, a middle curved chain mounting structure is arranged on the extended assembly surface, a side bracket mounting structure is arranged at the bottom of the extended assembly surface, and a rear flat fork mounting structure is arranged at the tail of the extended assembly surface; a vehicle body appearance modeling unit is assembled above the frame chassis unit. The structure of the vehicle body appearance modeling unit is: including an inner windshield assembly, and a front panel assembly is assembled on the outer vertical surface of the inner windshield assembly, and the front fork mounting structure penetrates between the inner windshield assembly and the front panel assembly to form an assembly.

[0007] As a further improvement of the above technical solution:

[0008] Preferably, the inclined assembly surface and the extended assembly surface are integrally cast.

[0009] Preferably, the vehicle body appearance modeling unit further includes a footrest assembly arranged on the top surface of the extended assembly surface, and a side enclosure assembly is arranged above the middle curved chain mounting structure.

[0010] Preferably, the head of the footrest assembly is connected to the bottom of the inner windshield assembly, and the tail of the footrest assembly is connected to the head of the side panel assembly. The footrest assembly is a plate structure for footrest, covering the upper surface of the frame chassis unit;

[0011] More preferably, a rear shock absorber bracket is fixedly arranged on the rear side surface of the side panel assembly, and the rear shock absorber bracket is integrally cast and connected with the side panel assembly.

[0012] Preferably, the front fork mounting structure is arranged on the inclined mounting surface and is located at the front head position. The front fork mounting structure is integrally formed with the frame body and is used for mounting the front fork steering mechanism and performing steering limit.

[0013] Preferably, the side bracket mounting structure is located at the middle-rear position on the left side of the frame chassis unit. The side bracket mounting structure is connected to the frame body in the form of bolt connection or embedded die casting and is used for mounting the side bracket and assembling the single support to support the vehicle for parking.

[0014] Preferably, the middle crank chain mounting structure is located at the rear end of the frame chassis unit. The middle crank chain mounting structure is connected to the frame in the form of bolt connection or welding and is used for mounting the middle crank chain system of the electric vehicle to meet the function of pedaling and riding.

[0015] Preferably, the rear swingarm mounting structure is located at the end of the frame chassis unit, and the rear swingarm mounting structure is used to connect the rear swingarm to the rear swingarm mounting structure through the swingarm shaft.

[0016] Preferably, the front panel assembly is fixed on the inner windshield assembly, and the front headlight and the front left and right turn signals are installed on the front panel assembly.

[0017] The beneficial effects of the present utility model are as follows:

[0018] The structure of the present utility model is compact, and the split assembly is reasonable. Through the combined assembly of the split frame chassis unit and the vehicle body appearance modeling unit, the problem of the fixed one-vehicle-one-platform is solved, the welding cost problem is eliminated, the production flexibility is improved, and it can be directly used as an exterior part without additional plastic parts covering, meeting the plastic limit requirements;

[0019] The present utility model also has the following advantages:

[0020] (1) The front fork mounting structure is provided at the front end of the frame chassis unit of the present utility model, and the front fork mounting structure is integrally formed with the frame body, which can greatly increase the front end strength;

[0021] (2) The swingarm mounting structure is arranged at the bottom of the rear end of the frame chassis unit of the present utility model, and the swingarm mounting structure and the frame are integrally cast. This process form can greatly increase the dimensional accuracy and connection strength of the rear swingarm mounting;

[0022] (3) The bottom of the frame chassis unit of the present utility model is provided with a middle curved sprocket system, which is connected to the frame in the form of bolt connection or welding, greatly reducing the maintenance cost;

[0023] (4) The left side of the bottom of the frame chassis unit of the present utility model is provided with a side bracket mounting plate, which is connected to the frame in the form of bolt connection or embedded die casting, further reducing the maintenance cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic structural view of the frame chassis unit of the present utility model.

[0025] Figure 2 is a schematic structural view of the vehicle body appearance modeling unit of the present utility model.

[0026] Figure 3 is a schematic structural view of the inner windshield assembly of the present utility model.

[0027] Figure 4 is a schematic structural view of the front panel assembly of the present utility model.

[0028] Figure 5 is a schematic structural view of the footrest assembly of the present utility model.

[0029] Figure 6 is a schematic structural view of the side panel assembly of the present utility model.

[0030] Figure 7 is a three-dimensional view of the combined state of the frame chassis unit and the vehicle body appearance modeling unit of the present utility model ( Figure 7 the footrest assembly is hidden)

[0031] Figure 8 is Figure 7 an exploded state schematic diagram.

[0032] Wherein: 1. Frame chassis unit; 2. Vehicle body appearance modeling unit;

[0033] 11. Front fork mounting structure; 12. Side bracket mounting structure; 13. Middle curved chain mounting structure; 14. Rear flat fork mounting structure; 15. Inclined assembly surface; 16. Extended assembly surface;

[0034] 21. Inner windshield assembly; 22. Front panel assembly; 23. Footrest assembly; 24. Side panel assembly; 25. Rear shock absorber bracket. DETAILED DESCRIPTION OF THE INVENTION

[0035] The following combines the drawings to illustrate the detailed implementation manners of the present utility model.

[0036] To facilitate the understanding of the present utility model, the present utility model will be described more comprehensively below with reference to the relevant drawings. The preferred embodiments of the present utility model are shown in the drawings. However, the present utility model can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, these embodiments are provided to make the understanding of the disclosure of the present utility model more thorough and comprehensive.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present utility model belongs. The terms used in the description of the present utility model in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present utility model. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0038] In the case of using "including", "having", and "comprising" described herein, unless a clear limiting term is used, such as "only", "consisting of", etc., another component can also be added. Unless otherwise mentioned, terms in the singular form can include the plural form and should not be construed as having a quantity of one.

[0039] It should be understood that although the terms "first", "second", etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, without departing from the scope of the present utility model, the first element can be called the second element, and similarly, the second element can be called the first element.

[0040] In addition, the drawings are not drawn to a 1:1 scale, and the relative sizes of the various elements are only drawn by way of example in the drawings and not necessarily to the true scale.

[0041] As Figures 1 to 8 , a schematic structural state diagram of a split frame of an electric vehicle in an embodiment of the present utility model is shown; for ease of description, the drawings only show the structures related to the embodiments of the present utility model.

[0042] In this embodiment, a split frame for an electric vehicle is provided, including a frame chassis unit 1. The structure of the frame chassis unit 1 is as follows: it includes an inclined assembly surface 15, and the bottom of the inclined direction of the inclined assembly surface 15 is connected to an extended assembly surface 16; a front fork mounting structure 11 is arranged vertically on the inclined assembly surface 15, a middle curved chain mounting structure 13 is arranged on the extended assembly surface 16, a side bracket mounting structure 12 is arranged at the bottom of the extended assembly surface 16, and a rear flat fork mounting structure 14 is arranged at the tail of the extended assembly surface 16; a vehicle body appearance shaping unit 2 is assembled above the frame chassis unit 1. The structure of the vehicle body appearance shaping unit 2 is as follows: it includes an inner windshield assembly 21, and a front panel assembly 22 is assembled on the outer vertical surface of the inner windshield assembly 21. The front fork mounting structure 11 penetrates between the inner windshield assembly 21 and the front panel assembly 22 to form an assembly.

[0043] In this embodiment, the inclined assembly surface 15 and the extended assembly surface 16 are integrally cast.

[0044] In this embodiment, the vehicle body appearance shaping unit 2 further includes a footrest assembly 23 arranged on the top surface of the extended assembly surface 16, and a side enclosure assembly 24 is arranged above the middle curved chain mounting structure 13;

[0045] Furthermore, the head of the footrest assembly 23 is connected to the bottom of the inner windshield assembly 21, the tail of the footrest assembly 23 is connected to the head of the side enclosure assembly 24. The footrest assembly 23 is a plate structure for footrest, covering the upper surface of the frame chassis unit 1;

[0046] Even further, a rear shock absorber bracket 25 is fixedly arranged on the rear side surface of the side enclosure assembly 24, and the rear shock absorber bracket 25 is integrally cast and connected with the side enclosure assembly 24.

[0047] In this embodiment, the front fork mounting structure 11 is arranged on the inclined assembly surface 15 and located at the front head position. The front fork mounting structure 11 is integrally formed with the frame body. The front fork mounting structure 11 is used to mount the front fork steering mechanism and perform steering limit. At the same time, in actual work, it also has the functions of water and mud shielding, and assists in carrying the installation functions of electrical components such as horns, VCU, converters, and structural components such as hooks and inner windshields.

[0048] In this embodiment, the side bracket mounting structure 12 is located at the middle and rear position on the left side of the frame chassis unit 1. The side bracket mounting structure 12 is used to mount the side bracket and assemble a single support to support the vehicle for parking; Exemplarily, the side bracket mounting structure 12 can be connected to the frame chassis unit 1 through processes such as bolt connection and die-casting embedding.

[0049] In this embodiment, the middle crank chain mounting structure 13 is located at the rear end of the vehicle frame chassis unit 1. The middle crank chain mounting structure 13 is connected to the vehicle frame by means of bolt connection or welding. The middle crank chain mounting structure 13 is used to mount the middle crank chain system of the electric vehicle to meet the pedaling function.

[0050] In this embodiment, the rear swingarm mounting structure 14 is located at the end of the vehicle frame chassis unit 1. The rear swingarm mounting structure 14 is used to connect the rear swingarm to the rear swingarm mounting structure 14 through a swingarm shaft.

[0051] In this embodiment, the front panel assembly 22 is fixed on the inner windshield assembly 21. The front headlight and the front left and right turn signals are mounted on the front panel assembly 22.

[0052] In this embodiment, by way of example, the pedal assembly 23 is a pedal body, and the pedal assembly 23 can be fixed on the vehicle frame chassis unit 1 by bolts, screws or a combined clamping structure, and is simultaneously located between the inner windshield assembly 21 and the side panel assembly 24;

[0053] By way of example, the side panel assembly 24 can be composed of a side panel, a battery compartment, a seat bucket, a seat cushion, a taillight, rear left and right turn signals, a license plate bracket and a partial electrical installation structure.

[0054] In this embodiment, the rear shock absorber bracket 25 mainly bears the function of the rear shock absorber and is connected to the side panel assembly 24 by integral casting. The rear shock absorber bracket 25 can be formed by casting aluminum alloy or magnesium alloy, and mainly meets the requirements of the styling design and the combination connection with the vehicle frame chassis to form an integral vehicle model.

[0055] The split assembly structure of the present utility model is reasonable, and the production flexibility is improved, solving the problem of one vehicle one platform. After the structure is split, the vehicle body appearance styling unit 2 can be adjusted according to different styling styles during actual operation, achieving the problem of one vehicle frame platform corresponding to multiple styling styles; and this application directly uses the vehicle body appearance styling unit 2 as the outer facade, without the need to additionally add plastic parts for covering, saving costs and meeting the plastic limit requirements at the same time.

[0056] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, it should be considered as the scope recorded in this specification.

[0057] The above-described embodiments merely represent the implementation manners of the present utility model. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the utility model patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can still be made, and these all fall within the protection scope of the present utility model. Therefore, the protection scope of the present utility model patent shall be subject to the appended claims.

Claims

1. A split frame of an electric vehicle, characterized in that: include: A frame chassis unit (1), the structure of the frame chassis unit (1) comprising an inclined assembly surface (15), the bottom of the inclined assembly surface (15) being connected to an extended assembly surface (16) in the inclined direction; a front fork mounting structure (11) being vertically arranged on the inclined assembly surface (15), a middle curved chain mounting structure (13) being arranged on the extended assembly surface (16), a side bracket mounting structure (12) being arranged at the bottom of the extended assembly surface (16), and a rear flat fork mounting structure (14) being arranged at the tail of the extended assembly surface (16); A vehicle body appearance styling unit (2) is assembled above the frame chassis unit (1), and the structure of the vehicle body appearance styling unit (2) is as follows: it includes an inner windshield assembly (21), a front panel assembly (22) is assembled on the outer facade of the inner windshield assembly (21), and a front fork mounting structure (11) is inserted between the inner windshield assembly (21) and the front panel assembly (22) to form an assembly.

2. The split frame of an electric vehicle as claimed in claim 1, characterized in that: The inclined assembly surface (15) and the extended assembly surface (16) are integrally cast.

3. The split frame of an electric vehicle as claimed in claim 1, characterized in that: The vehicle body appearance modeling unit (2) further comprises a pedal assembly (23) arranged on the top surface of the extended assembly surface (16), and a side enclosure assembly (24) is arranged above the middle curved chain mounting structure (13).

4. The split frame of an electric vehicle as claimed in claim 3, characterized in that: The head of the pedal assembly (23) is connected to the bottom of the inner windshield assembly (21), and the tail of the pedal assembly (23) is connected to the head of the side enclosure assembly (24). The pedal assembly (23) is a plate structure for pedals and covers the upper surface of the frame chassis unit (1).

5. The split frame of an electric vehicle as claimed in claim 3, characterized in that: A rear shock absorbing bracket (25) is fixedly arranged on the rear end side of the side enclosure assembly (24), and the rear shock absorbing bracket (25) and the side enclosure assembly (24) are integrally cast and connected.

6. The split frame of an electric vehicle as claimed in claim 1, characterized in that: The front fork mounting structure (11) is arranged on the inclined assembly surface (15) and is located at the front of the vehicle. The front fork mounting structure (11) and the frame body are integrally formed. The front fork mounting structure (11) is used to install a front fork steering mechanism and perform steering limit.

7. The split frame of an electric vehicle as claimed in claim 1, characterized in that: The side bracket mounting structure (12) is located at the left middle rear position on the frame chassis unit (1), and the side bracket mounting structure (12) is connected to the frame body by bolt connection or embedded die-casting. The side bracket mounting structure (12) is used to install the side bracket and assemble the single support to support the vehicle parking.

8. The split frame of an electric vehicle as claimed in claim 1, characterized in that: The middle-curve chain installation structure (13) is located at the rear end of the frame chassis unit (1); the middle-curve chain installation structure (13) is connected to the frame by bolt connection or welding; the middle-curve chain installation structure (13) is used to install the middle-curve chain system of the electric vehicle to meet the pedal riding function.

9. The split frame of an electric vehicle as claimed in claim 1, characterized in that: The rear fork mounting structure (14) is located at the end of the frame chassis unit (1), and the rear fork mounting structure (14) is used to connect the rear fork to the rear fork mounting structure (14) via a fork shaft.

10. The split frame of an electric vehicle as claimed in claim 1, characterized in that: The front panel assembly (22) is fixed on the inner windshield assembly (21), and the front headlight and the front left and right turn signals are installed on the front panel assembly (22).

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