CN219134296U - Frame of electric vehicle and electric vehicle - Google Patents

Abstract

The application provides a frame of an electric vehicle and the electric vehicle, and relates to the technical field of electric vehicles, and the frame of the electric vehicle provided by the embodiment of the application comprises tube structures symmetrically arranged at the left side and the right side of the frame, wherein the tube structures comprise two lower tubes and rear tubes which are connected with each other, and the lower tubes and the corresponding rear tubes are welded; the hookup location of next tube and back limit pipe is provided with well yoke plate, is provided with a plurality of mounting holes on the well yoke plate for install the accessory of electric motor car, the frame of electric motor car that this application provided, next tube and back limit pipe welding reduce the sheet metal punching part, alleviate frame weight, reduce frame cost, reduce processing technology and process time, and the structure that next tube, back limit pipe and well yoke plate combination formed has strengthened the frame intensity and has solved the poor problem of the stability of two support connection region, well yoke plate can be used for setting up the accessory of multiple electric motor car, improve the utilization ratio of tubular product and panel.

Description

Frame of electric vehicle and electric vehicle

Technical Field

The application relates to the technical field of electric vehicles, in particular to a frame of an electric vehicle and the electric vehicle.

Background

As an important transportation means, the electric vehicle is convenient and environment-friendly, is deeply favored by people, especially the current crowded problem of large city roads is very serious, the portable and flexible transportation means are the first choice of people for traveling, the electric vehicle is smaller than the traditional fuel oil vehicle, the upper hand is simple and easy to operate, the noise is smaller during driving, the electric vehicle is safer, the electric vehicle is more labor-saving compared with a bicycle, the electric vehicle is very dominant in short-distance traveling, and more people select to use the electric vehicle for traveling.

The importance of the frame is equivalent to that of a human body, the frame is taken as a carrier for mounting all parts of the electric vehicle, the electric vehicle has a decisive effect on the safety of the electric vehicle, and if the frame has a quality problem, the use of the vehicle is directly affected and even the vehicle is disassembled. The left and right lower side pipes of the existing electric vehicle frame are usually formed by one-step pipe bending, pipe fittings are large, and the pipe bending precision is slightly changed due to the wall thickness and the material quality of the pipe fittings during mass production, so that the consistency of the pipe bending cannot be ensured in one-step pipe bending forming, the manufacturing process is complex, the production is inconvenient, the integration level of the existing middle connecting plate is low, the function of the middle connecting plate is single, the universality is poor, and the material waste can be caused.

Disclosure of Invention

The utility model provides an aim at is to the not enough among the above-mentioned prior art, provides a frame and electric motor car of electric motor car, and the frame is provided with down limit pipe, back limit pipe, well yoke plate combination, and simplified technology uses the welding to replace the one shot forming return bend, and well yoke plate's integrated level is high.

In order to achieve the above purpose, the technical solution adopted in the embodiment of the present application is as follows:

in one aspect of the embodiment of the application, a frame of an electric vehicle is provided, which comprises two pipe structures symmetrically arranged at the left side and the right side of the frame, wherein each pipe structure comprises a lower pipe and a rear pipe which are connected with each other, and the lower pipe is welded with the corresponding rear pipe; the connecting position of the lower pipe and the rear pipe is provided with a middle connecting plate, and the middle connecting plate is provided with a plurality of mounting parts which are used for mounting accessories of the electric vehicle.

Optionally, the lower tube comprises a first section connected with the rear tube, the rear tube comprises a second section connected with the first section, and the end part of the second section is arranged on the first section; the intermediate connecting plates are respectively connected to the first section and the second section.

Optionally, a middle connecting plate transverse tube is connected between the two middle connecting plates, the middle connecting plate transverse tube is horizontally arranged, and two ends of the middle connecting plate transverse tube are also connected with the first sections of the two tube body structures.

Optionally, a middle connecting plate reinforcing plate is further connected between the two middle connecting plates, the middle connecting plate reinforcing plate is arranged at the top ends of the two middle connecting plates, the middle connecting plate reinforcing plate is arranged at a position far away from the connecting position, and the middle connecting plate reinforcing plate is used for supporting a battery of the electric vehicle.

Optionally, two seat barrel locking points are arranged on the cross tube of the middle connecting plate, and the seat barrel locking points are used for supporting a seat barrel of the electric vehicle.

Optionally, the mounting portion includes a nameplate hole, a bottom fork securing hole, a double-brace mounting hole, and a collet lock point. Optionally, a leg rest support is further provided on the second section, the leg rest support is used for setting a leg rest, and the leg rest support is further connected with the middle connecting plate.

Optionally, the lower tube includes a third section connecting the first section, the third section being parallel to the first section, such that the lower tube resembles a zig-zag shape.

Optionally, the surface of the frame is provided with an oxidation preventing layer.

In another aspect of the embodiments of the present application, there is provided an electric vehicle comprising a frame of an electric vehicle as described above.

The beneficial effects of this application include:

the application provides a frame of an electric vehicle, which comprises tube structures symmetrically arranged at the left side and the right side of the frame, wherein the tube structures comprise two lower tubes and rear tubes which are connected with each other, and the lower tubes and the corresponding rear tubes are welded; the lower tube and the rear tube are connected with each other, the middle connecting plate is connected with the rear tube and the lower tube respectively, the middle connecting plate part connected to the rear tube extends towards one side far away from the lower tube, the middle connecting plate part connected to the lower tube extends towards one side far away from the rear tube, the middle connecting plate part connected to the lower tube strengthens the connection strength between the rear tube and the lower tube, and the structure formed by combining the lower tube, the rear tube and the middle connecting plate can be used for setting various electric vehicle accessories and improving the utilization rate of tubes and plates.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered limiting the scope, and that other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a frame of an electric vehicle according to an embodiment of the present application;

fig. 2 is a second schematic structural diagram of a frame of an electric vehicle according to an embodiment of the present disclosure;

fig. 3 is a third schematic structural diagram of a frame of an electric vehicle according to an embodiment of the present disclosure;

fig. 4 is a schematic structural diagram of a frame of an electric vehicle according to an embodiment of the present disclosure;

fig. 5 is a schematic diagram of a frame of an electric vehicle according to an embodiment of the present application.

Icon: 10-a frame; 100-tube structure; 110-trailing edge tube; 112-a second section; 114-fourth stage; 120-lower tube; 121-a first section; 123-third section; 130-a middle connecting plate; 131-nameplate holes; 132-a bottom fork fixing hole; 133-a double-strut mounting hole; 134-collet lock point; 135-spring suspension; 200-middle connecting plate reinforcing plates; 300-middle connecting plate transverse pipes; 310-barrel locking point; 400-leg rest support.

Detailed Description

For the purposes of making the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as provided in the accompanying drawings, is not intended to limit the scope of the application, as claimed, but is merely representative of selected embodiments of the application. It should be noted that, in the case of no conflict, the features of the embodiments of the present application may be combined with each other, and the combined embodiments still fall within the protection scope of the present application.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present application, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships that are conventionally put in use of the product of the application, are merely for convenience of description of the present application and simplification of description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be configured and operated in a specific direction, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The left and right lower side pipes of the frame on the existing electric vehicle are usually formed by one-step bent pipe, pipe fittings are large, so that the storage and transportation of materials are very inconvenient, and the precision of bent pipe is slightly changed due to the wall thickness and the material of the pipe fittings during mass production, so that the consistency of bent pipe cannot be ensured, the stability of the double-support connection area of the electric vehicle with large body volume is poor, the function of a middle connecting plate assembly is single, the universality is poor, and the storage space in the left, right directions of the rear side pipe area is small.

To solve the above problems, the embodiment of the present application provides a frame 10 of an electric vehicle and an electric vehicle, specifically, please refer to fig. 1: the frame 10 of the electric vehicle provided by the embodiment of the application comprises two pipe body structures 100 symmetrically arranged on the left side and the right side of the frame 10, wherein the pipe body structures 100 comprise a lower pipe 120 and a rear pipe 110 which are connected with each other, and the lower pipe 120 and the corresponding rear pipe 110 are welded; the coupling position of the lower tube 120 and the rear tube 110 is provided with a middle yoke plate 130, and the middle yoke plate 130 is provided with a plurality of mounting parts for mounting accessories of the electric vehicle.

As shown in fig. 2, in the embodiment of the present application, the rear side tube 110 and the lower side tube 120 are symmetrically disposed on the left and right sides of the electric vehicle frame 10, the lower side tube 120, the rear side tube 110 and the middle connecting plate 130 are welded together, and the middle connecting plate 130 is disposed between the rear side tube 110 and the lower side tube 120 on the left and right sides of the frame 10, for reinforcing the connection between the rear side tube 110 and the lower side tube 120 and integrating multiple functions.

Rear side pipe 110 sets up in frame 10 rearward position, and lower side pipe 120 sets up under frame 10, and this application embodiment adopts welded mode to connect rear side pipe 110 and lower side pipe 120, has reduced the sheet metal punching part in original frame 10, has increased frame 10's intensity, lightens frame 10's weight simultaneously, reduces frame 10 cost, reduces processing technology and process time.

Specifically, the middle yoke plate 130 is respectively connected with the rear side pipe 110 and the lower side pipe 120, the middle yoke plate 130 connected to the rear side pipe 110 extends toward the side far away from the lower side pipe 120, the middle yoke plate 130 connected to the lower side pipe 120 extends toward the side far away from the rear side pipe 110, the middle yoke plate 130 reinforces the connection strength between the rear side pipe 110 and the lower side pipe 120, and the middle yoke plate 130 can be used for arranging accessories of various electric vehicles to improve the utilization ratio of pipes and plates.

In summary, the frame 10 of the electric vehicle provided in the embodiment of the present application includes a pipe body structure 100 symmetrically disposed on the left and right sides of the frame 10, where the pipe body structure 100 includes two lower pipes 120 and a rear pipe 110 that are connected to each other, and the lower pipes 120 and the corresponding rear pipes 110 are welded; the hookup location of next tube 120 and back limit pipe 110 is provided with well yoke plate 130, be provided with a plurality of installation department on the well yoke plate 130 for install the accessory of electric motor car, the frame 10 of electric motor car that this application provided, next tube 120 and back limit pipe 110 welding reduce the sheet metal punching spare, alleviate frame 10 weight, reduce frame 10 cost, reduce processing technology and process time, and the structure that next tube 120, back limit pipe 110 and well yoke plate 130 combination formed has strengthened frame 10 intensity and has solved the problem that the stability of two support connection areas is poor.

Illustratively, as shown in FIG. 3, the lower tube 120 includes a first section 121 connected to the rear tube 110, the rear tube 110 includes a second section 112 connected to the first section 121, and an end of the second section 112 is disposed on the first section 121; the intermediate connection plates 130 are connected to the first and second sections 121 and 112, respectively. In the embodiment of fig. 2, the end of the rear tube 110 is on the end of the lower tube 120, the first section 121 of the lower tube 120 is provided with a protruding end with respect to the second section 112 of the rear tube 110, the intermediate link plate 130 is connected to the side of the tube body structure 100 with the protruding end, an angle is formed between the first section 121 and the second section 112, and the intermediate link plate 130 extends outwardly of the angle.

As shown in fig. 3, the rear tube 110 includes a second section 112 and a fourth section 114 connected to each other, the fourth section 114 extending vertically upward, the second section 112 extending obliquely downward until the first section 121 is connected.

Illustratively, as shown in fig. 4, a horizontal tube of the middle connecting plate 130 is connected between the two middle connecting plates 130, the horizontal tube of the middle connecting plate 130 is horizontally arranged, and two ends of the horizontal tube of the middle connecting plate 130 are also connected with the first sections 121 of the two tube body structures 100.

In the embodiment of fig. 5, the tube structure 100 includes a left tube structure 100 and a right tube structure 100, and the middle yoke plate 130 includes a left middle yoke plate 130 connected to the left tube structure 100 and a right middle yoke plate 130 connected to the right tube structure 100, where the middle yoke plate 130 is horizontally tubular to enhance the strength of the frame 10 and solve the problem of poor stability of the double-bracing support connection area.

Specifically, a middle yoke plate reinforcing plate 200 is further connected between the two middle yoke plates 130, the middle yoke plate reinforcing plate 200 is disposed at the top ends of the two middle yoke plates 130, the middle yoke plate reinforcing plate 200 is disposed away from the connection position, and the middle yoke plate reinforcing plate 200 is used for reinforcing the connection between the left middle yoke plate 130 and the right middle yoke plate 130 and can support the battery of the electric vehicle.

As shown in fig. 2, the yoke plate reinforcing plate 200 can serve both a reinforcing function and a battery supporting function (the number of battery support bars can be reduced).

Illustratively, as shown in fig. 2, two seat barrel locking points 310 are provided on the cross-linking plate 300, the seat barrel locking points 310 are used for supporting a seat barrel of an electric vehicle, and the seat barrel locking points 310 are vertically upwards. The two seat barrel locking points 310 arranged on the middle connecting plate transverse pipe 300 are used for installing seat barrels, the middle connecting plate transverse pipe 300 can play a role of reinforcing the middle connecting plate 130 in the middle of the middle connecting plate 130 and can provide two locking points 410 for the seat barrels (one seat barrel bracket sheet metal can be reduced), the design requirements of different vehicle types can be met, and the storage space in the up-down direction of materials can be increased.

Illustratively, as shown in FIG. 3, the mounting portion includes a nameplate hole 131, a bottom fork securing hole 132, a double brace mounting hole 133, and a collet lock point 134.

The mounting part arranged on the middle connecting plate 130 provided by the application plays a role in fixing electric vehicle accessories, and as shown in the figure, the nameplate holes 131 are used for mounting nameplates, one nameplate is fixed by using one group of nameplate holes 131, and the nameplates can be respectively arranged on the middle connecting plate 130 on the left side and the right side; the bottom fork fixing holes 132 provide lock points for the bottom fork; the double-support mounting holes 133 provide lock points for the double supports of the electric vehicle; the spring suspension section 135 provides a suspension point for the spring of the electric vehicle; the shoe lock points 134 provide lock points for the plastic shoe.

The foot support mechanism of the electric vehicle is a necessary accessory of the electric vehicle, and has two forms of single support and double support, wherein the single support is convenient and labor-saving, but the parked vehicle body is inclined and easy to topple over to cause the damage of the vehicle; the support of the double support is stable, and the tyre can be better protected without being pressed. For the double bracing, fix in the middle fishplate bar outside through screw nut, middle fishplate bar need reserve the screw mounting hole in advance, and the combination fastening of the three unification of bolt, opposite sex piece, nut that present commonly used, this structural material is with high costs, assembly process is loaded down with trivial details, and the cost of labor is high. The lower side pipe 120 and the rear side pipe 110 are arranged on the left side and the right side of the frame 10, a concave triangular structure is formed by combining the middle connecting plates 130, the strength of the frame 10 is enhanced, and the problem of poor stability of a double-support connection area is solved.

The intermediate connecting plate 130 provided in the embodiment of the application integrates multiple functions, and improves the utilization rate of pipes and plates. Can meet the design requirements of different vehicle types and improve the universal rate of the platform of the frame 10.

Specifically, two symmetrical leg rest brackets 400 are also provided on the second section 112, the leg rest brackets 400 being used to provide a leg rest.

As shown in fig. 2, the lower tubes 120 of the left tube body structure 100 and the right tube body structure 100 are respectively disposed at the left and right sides, the rear tube 110 is correspondingly connected with the lower tubes 120, the two lower tubes 120 form a main frame for supporting the frame 10, the strength of the frame 10 is ensured, the lower tubes 120 further comprise two circular tubes disposed in parallel, the lower tubes 120 comprise a third segment 123 connected with the first segment 121, the third segment 123 is parallel to the first segment 121, and the first segment 121 and the third segment 123 are connected in a bending manner, as shown in fig. 2, so that the lower tubes 120 are similar to a zigzag shape, and in one embodiment of the present application, each accessory of the electric vehicle can be further mounted on the two lower tubes 120.

Specifically, the surface of the frame 10 is provided with an oxidation preventing layer.

The present application also provides an electric vehicle comprising the frame 10 of the electric vehicle as described above. The electric vehicle includes the same structure and advantageous effects as those of the frame 10 of the electric vehicle in the foregoing embodiment. The structure and advantageous effects of the frame 10 of the electric vehicle have been described in detail in the foregoing embodiments, and are not described in detail herein.

The foregoing description is only of the preferred embodiments of the present application and is not intended to limit the same, but rather, various modifications and variations may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims (10)

1. A frame (10) of an electric vehicle, which is characterized by comprising two pipe body structures (100) symmetrically arranged at the left side and the right side of the frame (10), wherein the pipe body structures (100) comprise a lower pipe (120) and a rear pipe (110) which are connected with each other, and the lower pipe (120) and the corresponding rear pipe (110) are welded;

the electric vehicle is characterized in that a middle connecting plate (130) is arranged at the connecting position of the lower side pipe (120) and the rear side pipe (110), and a plurality of mounting parts are arranged on the middle connecting plate (130) and used for mounting accessories of the electric vehicle.

2. The frame (10) of an electric vehicle of claim 1, wherein the lower tube (120) includes a first section (121) connected to the rear tube (110), the rear tube (110) including a second section (112) connected to the first section (121), an end of the second section (112) being disposed on the first section (121);

the intermediate link plate (130) is connected to the first section (121) and the second section (112), respectively.

3. A frame (10) for an electric vehicle as claimed in claim 2, characterized in that,

and a middle joint plate transverse pipe (300) is connected between the two middle joint plates (130), the middle joint plate transverse pipe (300) is horizontally arranged, and two ends of the middle joint plate transverse pipe (300) are also connected with the first sections (121) of the pipe body structures (100).

4. A frame (10) of an electric vehicle as claimed in claim 3, characterized in that a middle yoke plate reinforcement plate (200) is further connected between the two middle yoke plates (130), the middle yoke plate reinforcement plate (200) is disposed at the top ends of the two middle yoke plates (130), the middle yoke plate reinforcement plate (200) is disposed away from the connection position, and the middle yoke plate reinforcement plate (200) is used for supporting a battery of the electric vehicle.

5. A frame (10) of an electric vehicle as claimed in claim 3, characterized in that the cross-plate tube (300) is provided with two seat barrel locking points (310), said seat barrel locking points (310) being adapted to support a seat barrel of the electric vehicle.

6. The frame (10) of an electric vehicle of claim 1, wherein the mounting portion includes a nameplate hole (131), a bottom fork attachment hole (132), a double brace mounting hole (133), and a shoe lock point (134).

7. The frame (10) of an electric vehicle as claimed in claim 2, characterized in that a foot rest bracket (400) is further provided on the second section (112), the foot rest bracket (400) being used for providing a foot rest, the foot rest bracket (400) being further connected to the intermediate link plate (130).

8. The frame (10) of an electric vehicle of claim 2, wherein the down tube (120) includes a third section (123) connecting the first section (121), the third section (123) and the first section (121) being parallel such that the down tube (120) resembles a zig-zag shape.

9. The frame (10) of an electric vehicle according to claim 1, characterized in that the surface of the frame (10) is provided with an oxidation preventing layer.

10. An electric vehicle characterized by comprising an electric vehicle body and a frame (10) of the electric vehicle according to any one of claims 1-9.

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