CN221091104U - Electric vehicle frame and electric vehicle - Google Patents

Abstract

An electric vehicle frame and an electric vehicle relate to the technical field of electric vehicles. The electric vehicle frame comprises a side beam structure, a main beam connected to one end of the side beam structure, a back beam structure connected to the other end of the side beam structure, and a head pipe connected to one end of the main beam, which is away from the side beam structure; the outer peripheral wall of the head pipe is connected with the main beam, and an included angle is formed between the head pipe and the main beam; the boundary beam structure is a sheet metal stamping part, and the boundary beam structure is provided with a containing groove. The electric vehicle comprises the electric vehicle frame of any one of the above. The electric vehicle frame can reduce the process complexity during preparation of the electric vehicle frame, improve the production efficiency, and improve the structural stability and reliability of the electric vehicle frame.

Description

Electric vehicle frame and electric vehicle

Technical Field

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

Background

The electric vehicle is a electromechanical integrated personal vehicle which uses a storage battery as an auxiliary energy source and is provided with a motor, a controller, a storage battery, a steering handle, a brake handle and other operating components and a display instrument system on the basis of a common bicycle. Wherein, the frame is as the main subassembly of electric motor car, and the quality of frame design directly relates to the riding quality of electric motor car product. Therefore, the design of the frame needs to meet the assembly requirement of the whole vehicle and simultaneously needs to meet the performance requirements such as rigidity strength and the like.

The electric vehicle frame mainly comprises a head pipe, a main beam, side beams, a middle connecting plate, a cross beam and other mounting brackets. The head pipe of traditional frame adopts seamless steel pipe generally, and girder, boundary beam, crossbeam adopt the seam steel pipe generally, in order to satisfy the installation of singly prop, battery, plastic part, pencil, still need weld the panel beating support on corresponding pipe. The electric vehicle frame adopting the steel pipe and the sheet metal bracket has the advantages that the mass production of the electric vehicle is influenced, and the improvement of the quality of the whole vehicle product is not facilitated, in terms of material loss, the simplicity of the whole structure and the light weight of the frame, as well as in terms of the stability of the frame caused by welding at a plurality of positions and the process complexity caused by welding; in addition, the electric vehicle frame adopting the steel pipe and the sheet metal bracket also needs to consider the problem of matching universality of the steel pipe and the sheet metal part, so that the manufacturing cost of the electric vehicle frame is increased. Therefore, how to design a new electric vehicle frame to solve one of the above problems of the existing electric vehicle frame is a technical problem to be solved.

Disclosure of utility model

The utility model aims to provide an electric vehicle frame and an electric vehicle, which can reduce the process complexity during the preparation of the electric vehicle frame, improve the production efficiency and improve the structural stability and reliability of the electric vehicle frame.

Embodiments of the present utility model are implemented as follows:

In one aspect of the utility model, an electric vehicle frame is provided, the electric vehicle frame comprises a side beam structure, a main beam connected to one end of the side beam structure, a rear beam structure connected to the other end of the side beam structure, and a head pipe connected to one end of the main beam, which is away from the side beam structure; the outer peripheral wall of the head pipe is connected with the main beam, and an included angle is formed between the head pipe and the main beam; the boundary beam structure is a sheet metal stamping part, and the boundary beam structure is provided with a containing groove. The electric vehicle frame can reduce the process complexity during preparation of the electric vehicle frame, improve the production efficiency, and improve the structural stability and reliability of the electric vehicle frame.

Optionally, the boundary beam structure includes two boundary beams that set up side by side, and the boundary beam is the panel beating stamping workpiece, and the opposite both sides of girder are connected with the one end of boundary beam respectively, and the back beam structure is connected with the other end of boundary beam respectively.

Optionally, the two side beams are respectively provided with a first surface and a second surface which are oppositely arranged; the first surface is provided with at least one first accommodating groove, the second surface is provided with at least one second accommodating groove, and the first accommodating groove and the second accommodating groove jointly form an accommodating groove.

Optionally, the first accommodating groove comprises three, and the second accommodating groove comprises two.

Optionally, the girder includes two U-shaped sheet metal parts that the opening is relative, and two U-shaped sheet metal parts welded connection is in order to form the rectangle structure that has the chamber of accomodating.

Optionally, the electric vehicle frame further comprises a middle connection structure connected between the rear beam structure and the side beam structure, and the middle connection structure is a sheet metal stamping part.

Optionally, the middle connecting structure comprises two middle connecting plates arranged side by side, and the middle connecting plates are sheet metal stamping parts; one end of the side beam structure, which is far away from the main beam, is respectively connected with the two middle connecting plates; the two middle connecting plates are respectively provided with a third surface and a fourth surface which are oppositely arranged; the third surface is provided with a third groove.

Optionally, the back beam structure comprises two back beams arranged side by side, and the back beams are sheet metal stamping parts; one end of the side beam structure, which is far away from the main beam, is respectively connected with the two rear beams; the two back beams are respectively provided with a fifth surface and a sixth surface which are oppositely arranged; the fifth surface is provided with at least one fifth groove, and the sixth surface is provided with at least one sixth groove.

Optionally, the fifth grooves comprise two and the sixth groove comprises one.

In another aspect of the utility model, an electric vehicle is provided, comprising an electric vehicle frame of any one of the above.

The beneficial effects of the utility model include:

The electric vehicle frame provided by the application comprises a side beam structure, a main beam connected to one end of the side beam structure, a rear beam structure connected to the other end of the side beam structure, and a head pipe connected to one end of the main beam, which is away from the side beam structure; the outer peripheral wall of the head pipe is connected with the main beam, and an included angle is formed between the head pipe and the main beam; the boundary beam structure is a sheet metal stamping part, and the boundary beam structure is provided with a containing groove. According to the application, the edge beam structure is provided with the sheet metal stamping part with the accommodating groove, so that the accommodating groove can reserve space for the arrangement of the wire harness, and in the prior art, the edge beam structure is welded by the steel pipe and the sheet metal bracket, so that the position for fixing the wire harness is formed; on the other hand, the sheet metal stamping part is adopted, so that the material can be effectively utilized, the waste of the material is avoided, and the cost is further reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, 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 utility model and therefore should not be considered as limiting the scope, and 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 an electric vehicle frame according to an embodiment of the present utility model;

fig. 2 is a schematic structural view of a head pipe and a main beam according to an embodiment of the present utility model;

Fig. 3 is a schematic structural view of an edge beam according to an embodiment of the present utility model;

Fig. 4 is a schematic structural view of a middle joint plate according to an embodiment of the present utility model;

Fig. 5 is a schematic structural view of a rear beam according to an embodiment of the present utility model.

Icon: 10-side beam structure; 11-side beams; 111-a first surface; 112-a second surface; 113-a first receiving groove; 114-a second receiving groove; 20-main beams; 21-U-shaped sheet metal parts; 22-a receiving cavity; 30-a back beam structure; 31-a rear beam; 311-fifth surface; 312-sixth surface; 313-fifth groove; 314-sixth grooves; 40-head tube; 50-mesojunction structure; 51-middle connecting plate; 511-a third surface; 512-fourth surface; 513-a third groove; 514-fourth groove; 60-connecting piece.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model 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 utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

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 utility model, 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 conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. 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 utility model, 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 above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, the present embodiment provides an electric vehicle frame, which includes a side beam structure 10, a main beam 20 connected to one end of the side beam structure 10, a rear beam structure 30 connected to the other end of the side beam structure 10, and a head pipe 40 connected to one end of the main beam 20 facing away from the side beam structure 10; the outer peripheral wall of the head pipe 40 is connected with the main beam 20, and an included angle is formed between the head pipe 40 and the main beam 20; the boundary beam structure 10 is a sheet metal stamping part, and the boundary beam structure 10 is provided with a containing groove. The electric vehicle frame can reduce the process complexity during preparation of the electric vehicle frame, improve the production efficiency, and improve the structural stability and reliability of the electric vehicle frame.

The electric vehicle frame provided by the application comprises a head pipe 40, a main beam 20, a side beam structure 10 and a rear beam structure 30. Wherein, the head pipe 40 is connected with one end of the main beam 20, the other end of the main beam 20 is connected with one end of the side beam structure 10, and the other end of the side beam structure 10 is connected with the rear beam structure 30. The connection of the above-mentioned components may be direct connection or indirect connection, and the present application is not limited thereto. In addition, in this embodiment, the edge beam structure 10 is a sheet metal stamping part with a receiving groove, so that the receiving groove formed by the edge beam structure 10 adopting the sheet metal stamping part can reserve space for the arrangement of the wire harness, and meanwhile, the loss of materials can be reduced, and the utilization rate of the materials can be improved.

The head pipe 40 is located at the forefront end of the electric vehicle frame, and can stabilize the frame structure and drive the frame to turn integrally, and the function of the head pipe 40 is well known to those skilled in the art, so the application is not described herein.

The main beam 20 is connected to the head pipe 40, wherein in this embodiment, one end of the main beam 20 is connected to the outer wall surface of the head pipe 40, as shown in fig. 1, an included angle is formed between the main beam 20 and the head pipe 40. Illustratively, in this embodiment, the included angle between the main beam 20 and the head pipe 40 is an obtuse angle, which is more ergonomic and meets the driving needs of the user.

One end of the side beam structure 10 is connected with one end of the main beam 20 away from the head pipe 40 and is connected to one side of the main beam 20, and the other end of the side beam structure 10 extends toward the side away from the main beam 20 and is connected with the rear beam structure 30. It should be noted that, the end of the side beam structure 10 away from the main beam 20 may be directly connected to the rear beam structure 30, or may be indirectly connected to the rear beam structure 30, and in this embodiment, the end of the side beam structure 10 away from the main beam 20 is indirectly connected to the rear beam structure 30.

The boundary beam structure 10 of the application adopts a sheet metal stamping part, and the boundary beam structure 10 is provided with a containing groove. It should be noted that, because the boundary beam structure 10 is a sheet metal stamping part, a containing groove can be formed by stamping when the boundary beam structure 10 is manufactured, on one hand, the containing groove can be used for reserving space for arrangement of wire harnesses, and in the prior art, the boundary beam structure 10 is welded by adopting a steel pipe and a sheet metal bracket, so that a position for fixing the wire harnesses is formed, the complex welding process between the steel pipe and the sheet metal bracket can be omitted, thereby saving manufacturing steps, improving production efficiency, and simultaneously avoiding the problem of poor structural stability and reliability caused by welding at a plurality of positions; on the other hand, the sheet metal stamping part is adopted, so that the material can be effectively utilized, the waste of the material is avoided, and the cost is further reduced.

The rear beam structure 30 is located at the rear end of the electric vehicle frame and is connected to the end of the side beam structure 10 remote from the main beam 20 structure. In this embodiment, as shown in fig. 1, the main beam 20 and the rear beam structure 30 are both disposed on the same side of the side beam structure 10.

In summary, the electric vehicle frame provided by the application comprises a side beam structure 10, a main beam 20 connected to one end of the side beam structure 10, a rear beam structure 30 connected to the other end of the side beam structure 10, and a head pipe 40 connected to one end of the main beam 20 away from the side beam structure 10; the outer peripheral wall of the head pipe 40 is connected with the main beam 20, and an included angle is formed between the head pipe 40 and the main beam 20; the boundary beam structure 10 is a sheet metal stamping part, and the boundary beam structure 10 is provided with a containing groove. According to the application, the edge beam structure 10 is provided with the sheet metal stamping part with the accommodating groove, so that the accommodating groove can reserve space for the arrangement of the wire harness, and in the prior art, the edge beam structure 10 adopts the welding of the steel pipe and the sheet metal bracket, so that the position for fixing the wire harness is formed; on the other hand, the sheet metal stamping part is adopted, so that the material can be effectively utilized, the waste of the material is avoided, and the cost is further reduced.

Alternatively, referring to fig. 1 and 3, the side beam structure 10 includes two side beams 11 arranged side by side, the side beams 11 are sheet metal stamping parts, opposite sides of the main beam 20 are respectively connected with one ends of the two side beams 11, and the rear beam structure 30 is respectively connected with the other ends of the two side beams 11.

It should be noted that, the two side beams 11 are respectively located at opposite sides of the main beam 20, and are respectively connected with the main beam 20. In this embodiment, referring to fig. 1, the electric vehicle frame may further include two connecting members 60, wherein one connecting member 60 connects the main beam 20 with one of the side beams 11, and the other connecting member 60 connects the main beam 20 with the other side beam 11. In this embodiment, the two connectors 60 may be connected to each other, or may be disconnected from each other.

Referring to fig. 3, alternatively, the two side beams 11 respectively have a first surface 111 disposed opposite to each other and a second surface 112 disposed opposite to each other; the first surface 111 is provided with at least one first accommodating groove 113, the second surface 112 is provided with at least one second accommodating groove 114, and the first accommodating groove 113 and the second accommodating groove 114 jointly form an accommodating groove.

In the practical application process, the first accommodating groove 113 may be used for accommodating the wire harness, and the second accommodating groove 114 may be also used for accommodating the wire harness. Of course, those skilled in the art may choose to accommodate the wire harness in the first accommodation groove 113 and/or the second accommodation groove 114 as needed, which the present application is not limited to.

In addition, the sizes of the first and second receiving grooves 113 and 114 are not limited in the present application, and may be determined according to the size of the wire harness. In order to effectively use the space, the first receiving groove 113 and the second receiving groove 114 may be offset from each other in the thickness direction of the side sill 11. Also, the projections of the first receiving groove 113 and the second receiving groove 114 in the height direction of the electric vehicle frame may be partially overlapped as shown in fig. 3, in which case the side rail 11 has a wave-like cross-sectional view.

Alternatively, the first receiving groove 113 includes three, and the second receiving groove 114 includes two. Thus, the cross-sectional view of the side rail 11 resembles two interconnected M structures.

Alternatively, referring to fig. 1 and 2, the main beam 20 includes two U-shaped sheet metal parts 21 with opposite openings, and the two U-shaped sheet metal parts 21 are welded together to form a rectangular structure with a receiving cavity 22. The receiving cavity 22 may also be used for routing. The main beam 20 formed by the two U-shaped sheet metal parts 21 can improve the rigidity and strength of the main beam 20.

The side beam structure 10 and the rear beam structure 30 may be directly connected or indirectly connected, and when the side beam structure 10 and the rear beam structure 30 are indirectly connected, referring to fig. 1 and fig. 4, the electric vehicle frame further includes a middle connecting structure 50 connected between the rear beam structure 30 and the side beam structure 10, where the middle connecting structure 50 is a sheet metal stamping part.

It should be noted that, the middle connecting structure 50 can ensure the installation of the double-brace, the bottom fork and the leg rest support, and can simultaneously play a role in connecting the side beam structure 10 and the rear beam structure 30.

Optionally, referring to fig. 4, the middle connecting structure 50 includes two middle connecting plates 51 arranged side by side, and the middle connecting plates 51 are sheet metal stamping parts; one end of the side beam structure 10, which is far away from the main beam 20, is respectively connected with two middle connecting plates 51; the two middle connection plates 51 are respectively provided with a third surface 511 and a fourth surface 512 which are arranged oppositely; the third surface 511 is provided with a third recess 513.

According to the application, the third grooves 513 are formed in the third surface 511, so that the cross section of the middle connecting plate 51 is of a sheet metal stamping structure similar to omega, and the third grooves 513 of the two middle connecting plates 51 can be matched with each other, thereby providing possibility for installation and matching of other components in the middle connecting plate.

Of course, in this embodiment, a fourth groove 514 may be further provided on the fourth surface 512 of the two middle plates 51 facing away from each other, and an orthographic projection of the fourth groove 514 along the thickness direction of the middle plate 51 may be located in the third groove 513 (in this way, the fourth groove 514 divides the third groove 513 into two sub-grooves, as shown in fig. 4). The application can facilitate the connection and matching of the middle connecting plate 51 with other parts by providing the fourth groove 514.

When intermediate plate 51 includes fourth groove 514, the cross-sectional view of intermediate plate 51 also resembles a wave, as shown in fig. 4. In the application, the middle connecting plate 51 adopts the plate stamping part with the third groove 513 and the fourth groove 514, so that the structural stability and the reliability of the middle connecting plate 51 can be improved, and the materials can be saved and the cost can be reduced.

Referring to fig. 1 and 5, optionally, the back beam structure 30 includes two back beams 31 arranged side by side, and the back beams 31 are sheet metal stamping parts; one end of the side beam structure 10, which is far away from the main beam 20, is respectively connected with two rear beams 31; the two back beams 31 are respectively provided with a fifth surface 311 and a sixth surface 312 which are arranged opposite to each other; the fifth surface 311 is provided with at least one fifth groove 313, and the sixth surface 312 is provided with at least one sixth groove 314.

In the present embodiment, one end of the two rear beams 31 is connected to one end of the two middle connection plates 51 away from the side beam structure 10, and the other end extends in a direction away from the middle connection plates 51.

The present application provides the rear beam 31 as a sheet metal stamping having at least one fifth groove 313 and at least one sixth groove 314, so that the installation strength of the rear shock absorber, the tub and the rear hanger can be improved, and the material can be saved and the cost can be reduced.

Optionally, the fifth grooves 313 include two and the sixth grooves 314 include one. Thus, the cross section of the back beam 31 is a sheet metal stamping having an M-like structure, as shown in fig. 5.

In another aspect of the utility model, an electric vehicle is provided, comprising an electric vehicle frame of any one of the above. Because the specific structure and the beneficial effects of the electric vehicle frame are described and illustrated in detail in the foregoing, the present utility model is not repeated here.

Compared with a tubular beam frame, the electric vehicle frame provided by the application has higher strength and rigidity under the same vehicle size of the electric vehicle, has the advantage of light weight, and simultaneously can reduce the processing technology and processing time of the electric vehicle frame due to the reduction of the use frequency of welding, simplify the assembly steps and improve the production efficiency.

The above description is only of alternative embodiments of the present utility model and is not intended to limit the present utility model, and various modifications and variations will be apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

In addition, the specific features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various possible combinations are not described further.

Claims (10)

1. The electric vehicle frame is characterized by comprising a side beam structure, a main beam connected to one end of the side beam structure, a rear beam structure connected to the other end of the side beam structure, and a head pipe connected to one end of the main beam, which is away from the side beam structure; the outer peripheral wall of the head pipe is connected with the main beam, and an included angle is formed between the head pipe and the main beam; the boundary beam structure is a sheet metal stamping part, and the boundary beam structure is provided with a containing groove.

2. The electric vehicle frame of claim 1, wherein the side beam structure comprises two side beams arranged side by side, the side beams are sheet metal stamping parts, opposite sides of the main beam are respectively connected with one ends of the two side beams, and the rear beam structure is respectively connected with the other ends of the two side beams.

3. The electric vehicle frame of claim 2, wherein the side rails each have a first surface disposed opposite and a second surface disposed opposite; the first surface is provided with at least one first accommodating groove, the second surface is provided with at least one second accommodating groove, and the first accommodating groove and the second accommodating groove jointly form the accommodating groove.

4. The electric vehicle frame of claim 3, characterized in that the first receiving groove comprises three and the second receiving groove comprises two.

5. The electric vehicle frame of claim 1, characterized in that the main beam comprises two U-shaped sheet metal parts with opposite openings, and the two U-shaped sheet metal parts are welded together to form a rectangular structure with a receiving cavity.

6. The electric vehicle frame of claim 1, further comprising a center structure connected between the rear beam structure and the side beam structure, the center structure being a sheet metal stamping.

7. The electric vehicle frame of claim 6, characterized in that the middle connecting structure comprises two middle connecting plates arranged side by side, and the middle connecting plates are sheet metal stamping parts; one end of the side beam structure, which is far away from the main beam, is respectively connected with the two middle connecting plates;

The two middle connecting plates are respectively provided with a third surface and a fourth surface which are arranged oppositely; and a third groove is formed in the third surface.

8. The electric vehicle frame of claim 1, wherein the rear beam structure comprises two rear beams arranged side by side, the rear beams being sheet metal stampings; one end of the side beam structure, which is far away from the main beam, is respectively connected with the two rear beams;

the two back beams are respectively provided with a fifth surface and a sixth surface which are arranged oppositely; at least one fifth groove is formed in the fifth surface, and at least one sixth groove is formed in the sixth surface.

9. The electric vehicle frame of claim 8, characterized in that the fifth groove comprises two and the sixth groove comprises one.

10. An electric vehicle characterized by comprising an electric vehicle frame according to any one of claims 1 to 9.