Lightweight frame

Abstract

The utility model relates to a light-weight frame, and belongs to the technical field of frame structures. The vehicle comprises a vehicle frame whole body, a head pipe is arranged at the head position of the whole frame, one side of the head pipe is connected with the front section of the edge beam, the other side of the front section of the edge beam is connected with the head of the middle section of the edge beam, and a front adapter plate is arranged between the front section of the edge beam and the middle section of the edge beam. The tail part of the boundary beam middle section is connected with the boundary beam rear section, and a rear adapter plate is arranged between the boundary beam middle section and the boundary beam rear section; the front adapter plate and the rear adapter plate are both of an arc-shaped bent structure, and cross beam structures are additionally arranged on the front adapter plate and the rear adapter plate. The light weight degree of the frame of the whole vehicle is greatly improved, the weight is reduced, and the frame can be directly used as an exposed structure and does not need to be additionally covered with plastic parts.

Description

Technical Field

[0001] The utility model relates to the technical field of frame structures, in particular to a lightweight frame. Background Art

[0002] As the core support structure of a whole vehicle, the frame structures of motorcycles and electric vehicles are directly related to the performance, safety and lightweight level of the vehicles. In the prior art, the main bodies of the frames of these vehicles are widely formed by connecting steel pipes or sheet metal parts through precise welding processes. Although this structure ensures the stability and load-bearing capacity of the vehicles to a certain extent, its inherent weight problem has increasingly become a difficult problem that the industry urgently needs to solve. Specifically, the materials of steel pipes and sheet metal parts themselves have a relatively large density, resulting in a relatively heavy overall frame weight, and at the same time, it also limits the acceleration performance and handling flexibility of the vehicles.

[0003] In addition, the design complexity of the frame structures in the prior art is relatively high, often involving a large number of components and long-distance welds. This not only increases the assembly difficulty and cost in the production process, but also makes it difficult to precisely control the dimensional accuracy, thereby affecting the stability and driving quality of the whole vehicle.

[0004] On this basis, in order to solve the above technical problems, it is necessary for society to develop a lightweight frame. Summary of the Utility Model

[0005] The applicant of the present utility model aims at the above-mentioned disadvantages in the existing production technology, and provides a lightweight frame, so as to improve the lightweight degree of the frame, reduce the weight of the whole vehicle, and increase the endurance mileage of the vehicle.

[0006] The technical solution adopted by the present utility model is as follows: a lightweight frame, comprising: an overall frame; a head tube is arranged at the head position of the overall frame, one side of the head tube is connected to the front section of the side beam, the other side of the front section of the side beam is connected to the head of the middle section of the side beam, and a front adapter plate is arranged between the front section of the side beam and the middle section of the side beam; the tail of the middle section of the side beam is connected to the rear section of the side beam, and a rear adapter plate is arranged between the middle section of the side beam and the rear section of the side beam; both the front adapter plate and the rear adapter plate are arc-shaped bending structures, and cross beam structures are additionally arranged on both the front adapter plate and the rear adapter plate.

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

[0008] In one embodiment, the structure of the front adapter plate is: including a left front adapter plate and a right front adapter plate, and a front cross beam is arranged between the left front adapter plate and the right front adapter plate; the structure of the rear adapter plate is: including a left rear adapter plate and a right rear adapter plate, and a rear cross beam is arranged between the left rear adapter plate and the right rear adapter plate;

[0009] Preferably, mounting holes are provided on both the front adapter plate and the rear adapter plate, and the mounting holes are used for mounting the central shaft and the rear swing arm.

[0010] In one embodiment, a steering limiter block is provided at the outer side position of the bottom of the head tube.

[0011] In one embodiment, the structure of the front section of the side beam is as follows: one end of the top is connected to the head tube, the middle part extends to both sides, and the bottom part is connected to the front adapter plate; the top, middle and bottom of the front section of the side beam are spliced to form an integrated structure.

[0012] In one embodiment, a battery support bar mounting bracket is provided at the bottom position of the middle section of the side beam.

[0013] In one embodiment, a controller mounting plate is provided on the outer side surface of the rear section of the side beam, and a rear shock absorber mounting bracket is further provided above the controller mounting plate;

[0014] Preferably, the rear shock absorber mounting bracket is mounted between the left and right side beams of the rear section of the side beam, and the rear shock absorber mounting bracket is used for mounting the shock absorber.

[0015] In one embodiment, a saddle mounting bracket is provided at the top of the rear section of the side beam in a matching manner.

[0016] In one embodiment, the front section, middle section and rear section of the side beam of the vehicle frame are made of metal profiles, and the metal profiles are straight or bent; the front section and the middle section of the side beam are connected by a front adapter plate, and the middle section and the rear section of the side beam are connected by a rear adapter plate. The connection method of the transition connection is welding, and the front adapter plate and the rear adapter plate are metal forgings or metal profiles.

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

[0018] The structure of the present utility model is compact. By dividing the vehicle frame into a front section, a middle section and a rear section of the side beam, and connecting each two sections by an adapter plate, the overall lightweight setting is realized, which can reduce the weight of the whole vehicle and improve the vehicle's cruising range; in addition, a cross beam is added between the left and right sides of the adapter plate, and the cross beam can be used to strengthen the structure, so that the frame has excellent strength and stiffness and good reliability;

[0019] The present utility model further includes the following advantages:

[0020] (1) The vehicle frame of the present utility model can be directly used as an exposed structure without additional plastic coverings, saving costs;

[0021] (2) The frame structure of the present utility model combines the front section of the side beam, the middle section of the side beam, and the rear section of the side beam through an adapter plate, with fewer components and a simplified welding process for connection, avoiding the problem of low precision. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present utility model.

[0023] Figure 2 is Figure 1 an enlarged schematic view of part A in

[0024] Figure 3 is Figure 1 an enlarged schematic view of part B in

[0025] Wherein: 1, head tube; 2, steering stopper; 3, front section of side beam; 4, front cross beam; 5, front adapter plate; 6, middle section of side beam; 7, battery support mounting bracket; 8, rear adapter plate; 9, rear cross beam; 10, rear section of side beam; 11, controller mounting plate; 12, rear shock absorber mounting bracket; 13, saddle mounting bracket. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] The following will describe the specific embodiments of the present utility model with reference to the accompanying drawings.

[0027] For the convenience of understanding the present utility model, the present utility model will be described more comprehensively 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.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which the present utility model belongs. The terms used in the specification of the present utility model herein 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.

[0029] 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, the singular form of the term can include the plural form and should not be understood as having a quantity of one.

[0030] It should be understood that although terms such as "first" and "second" 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 may be referred to as the second element, and similarly, the second element may be referred to as the first element.

[0031] 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.

[0032] As Figures 1 to 3 , a schematic structural state diagram of a lightweight frame 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.

[0033] In this embodiment, a lightweight frame is provided, including the overall frame; a head tube 1 is provided at the head position of the overall frame, one side of the head tube 1 is connected to the front section 3 of the side beam, the other side of the front section 3 of the side beam is connected to the head of the middle section 6 of the side beam, and a front adapter plate 5 is provided between the front section 3 of the side beam and the middle section 6 of the side beam; the tail of the middle section 6 of the side beam is connected to the rear section 10 of the side beam, and a rear adapter plate 8 is provided between the middle section 6 of the side beam and the rear section 10 of the side beam; both the front adapter plate 5 and the rear adapter plate 8 are arc-shaped bending structures, and cross beam structures are added to both the front adapter plate 5 and the rear adapter plate 8.

[0034] Furthermore, the front adapter plate 5 is connected to the front section 3 of the side beam and the middle section 6 of the side beam by welding, and the rear adapter plate 8 is connected to the middle section 6 of the side beam and the rear section 10 of the side beam by welding.

[0035] Even further, the front section 3 of the side beam, the middle section 6 of the side beam, and the rear section 10 of the side beam are made of metal profiles, and the metal profiles are straight or bent; the front section 3 of the side beam, the middle section 6 of the side beam, and the rear section 10 of the side beam are preferably aluminum alloy profiles.

[0036] The front section 3 of the side beam and the middle section 6 of the side beam are connected by transition using the front adapter plate 5, and the middle section 6 of the side beam and the rear section 10 of the side beam are connected by transition using the rear adapter plate 8. The connection method of the transition connection is welding. The front adapter plate 5 and the rear adapter plate 8 are metal forgings or metal profiles; the front adapter plate 5 and the rear adapter plate 8 are preferably aluminum alloy forgings or aluminum alloy profiles.

[0037] In this embodiment, specifically, at least one profile cavity may be provided at the contact connection end of the front section 3 of the side beam with the head tube 1.

[0038] In this embodiment, the structure of the front adapter plate 5 is as follows: it includes a left front adapter plate and a right front adapter plate, and a front cross beam 4 is arranged between the left front adapter plate and the right front adapter plate; the structure of the rear adapter plate 8 is as follows: it includes a left rear adapter plate and a right rear adapter plate, and a rear cross beam 9 is arranged between the left rear adapter plate and the right rear adapter plate; exemplarily, the materials of the front cross beam 4 and the rear cross beam 9 can be selected as aluminum alloy, and the functions of the front cross beam 4 and the rear cross beam 9 are to strengthen the structural strength;

[0039] Further, mounting holes are provided on both the front adapter plate 5 and the rear adapter plate 8, and the mounting holes are used for mounting the central shaft and the rear swing arm.

[0040] In this embodiment, a diverter limit block 2 is provided at the position where the bottom of the head tube 1 faces outward.

[0041] In this embodiment, the structure of the front section of the side beam 3 is as follows: one end of the top is connected to the head tube 1, the middle part extends to both sides, and the bottom part is connected to the front adapter plate 5;

[0042] Further, the top, middle and bottom of the front section of the side beam 3 are spliced to form an integrated structure.

[0043] In this embodiment, a battery tray mounting bracket 7 is provided at the bottom position of the middle section of the side beam 6.

[0044] In this embodiment, a controller mounting plate 11 is provided on the outer side surface of the rear section of the side beam 10, and a rear shock absorber mounting bracket 12 is further provided above the controller mounting plate 11;

[0045] Further, the rear shock absorber mounting bracket 12 is installed between the left and right side beams of the rear section of the side beam 10, and the rear shock absorber mounting bracket 12 is used for installing the shock absorber; exemplarily, the rear shock absorber mounting bracket 12 can be made of aluminum alloy.

[0046] In this embodiment, a saddle mounting bracket 13 is provided at the top of the rear section of the side beam 10 in a matching manner, and the saddle mounting bracket 13 is used for mounting the saddle. Exemplarily, the saddle mounting bracket 13 can be made of aluminum alloy.

[0047] In actual work, the utility model connects the front section of the side beam 3 and the middle section of the side beam 6 through the front adapter plate 5, and connects the middle section of the side beam 6 and the rear section of the side beam 10 through the rear adapter plate 8. The whole is welded and spliced into an integrated structure. This architecture can simplify the welding process and avoid the problem of low precision caused by welding in the prior art; moreover, the utility model adds cross beams between the left and right side plates of each adapter plate to strengthen the structure, so as to make the overall frame achieve the effect of light weight, reduce the weight of the whole vehicle, improve the vehicle's cruising range, and at the same time ensure the structural strength of the frame itself.

[0048] The technical features of the above-described embodiments can be combined arbitrarily. For the sake of concise 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.

[0049] The above-described embodiments only express the implementation manners of the present utility model, and the description thereof is relatively specific and detailed. However, it should not be construed as a limitation to 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 belong to the protection scope of the present utility model. Therefore, the protection scope of the utility model patent shall be subject to the appended claims.

Claims

1. A lightweight frame, characterized in that: include: The frame as a whole; A head pipe (1) is provided at the head position of the frame as a whole, one side of the head pipe (1) is connected to the front section (3) of the side beam, the other side of the front section (3) of the side beam is connected to the head of the middle section (6) of the side beam, and a front adapter plate (5) is provided between the front section (3) of the side beam and the middle section (6) of the side beam; The tail of the side beam middle section (6) is connected to the side beam rear section (10), and a rear adapter plate (8) is provided between the side beam middle section (6) and the side beam rear section (10); The front adapter plate (5) and the rear adapter plate (8) are both arc-shaped bending structures, and crossbeam structures are added to the front adapter plate (5) and the rear adapter plate (8).

2. The lightweight frame according to claim 1, characterized in that: The structure of the front adapter plate (5) is as follows: it comprises a left front adapter plate and a right front adapter plate, and a front crossbeam (4) is arranged between the left front adapter plate and the right front adapter plate; The structure of the rear adapter plate (8) is as follows: it comprises a left rear adapter plate and a right rear adapter plate, and a rear cross beam (9) is arranged between the left rear adapter plate and the right rear adapter plate.

3. The lightweight frame according to claim 2, characterized in that: The front adapter plate (5) and the rear adapter plate (8) are both provided with mounting holes, and the mounting holes are used to mount the middle shaft and the rear fork.

4. The lightweight frame according to claim 1, characterized in that: A steering gear limit block (2) is arranged at the bottom of the head pipe (1) towards the outside.

5. The lightweight frame according to claim 1, characterized in that: The structure of the front section (3) of the side beam is as follows: one end of the top is connected to the head pipe (1), the middle part extends to both sides, and the bottom part is connected to the front adapter plate (5); The top, middle and bottom of the front section (3) of the side beam are spliced ​​to form an integrated structure.

6. The lightweight frame according to claim 1, characterized in that: A battery support bar mounting bracket (7) is arranged at the bottom of the middle section (6) of the side beam.

7. The lightweight frame according to claim 1, characterized in that: A controller mounting plate (11) is arranged on the outer side surface of the rear section (10) of the side beam, and a rear shock-absorbing mounting bracket (12) is also arranged above the controller mounting plate (11).

8. The lightweight frame according to claim 7, characterized in that: The rear shock-absorbing mounting bracket (12) is mounted between the left and right side beams of the side beam rear section (10), and the rear shock-absorbing mounting bracket (12) is used to mount a shock absorber.

9. The lightweight frame according to claim 7, characterized in that: A saddle mounting bracket (13) is matched and arranged on the top of the rear section (10) of the side beam.

10. The lightweight frame according to claim 1, characterized in that: The side beam front section (3), the side beam middle section (6) and the side beam rear section (10) of the frame are made of metal profiles; The front transfer plate (5) and the rear transfer plate (8) are made of metal forgings or metal profiles.

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