CN216994706U

CN216994706U - Frame and electric vehicle

Info

Publication number: CN216994706U
Application number: CN202220328403.9U
Authority: CN
Inventors: 张凤平; 阎斌; 陆体清; 张磊; 孙超伟
Original assignee: Jiangsu Aima Vehicle Industry Technology Co Ltd
Current assignee: Jiangsu Aima Vehicle Industry Technology Co Ltd
Priority date: 2022-02-17
Filing date: 2022-02-17
Publication date: 2022-07-19
Anticipated expiration: 2032-02-17

Abstract

The utility model discloses a frame and an electric vehicle, and relates to the technical field of electric vehicles. The frame and the electric vehicle provided by the utility model can improve the stability of the electric vehicle and reduce the mass of the vehicle.

Description

Frame and electric vehicle

Technical Field

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

Background

The electric vehicle is a tool frequently used by people in daily short trip, namely an electric drive vehicle, also called an electric drive vehicle, and the electric drive vehicle is a vehicle which takes a battery as an energy source, converts electric energy into mechanical energy to move through a controller, a motor and other components, and changes the speed by controlling the current. Most importantly, the method plays an important role in national economy through energy conservation and environmental protection. With the continuous improvement of living standard and the continuous enhancement of environmental awareness, the electric vehicle has become one of the most important transportation means for people going out in our country.

The frame is the basic component of two-wheeled electric motor car, generally include parts such as head pipe, girder pipe, limit pipe, fishplate bar and back clothes hanger in order to form the main frame of two-wheeled electric motor car, when two-wheeled electric motor car assembles, need to prop greatly, accessories such as chain stay and bracket are fixed respectively and are set up on the frame, and for making the setting that above-mentioned part can stabilize on the frame, generally need set up many connecting plates, thereby increase vehicle self's weight, and in order to improve the steadiness of electric motor car, the thickness of each part sets up a little more usually, thereby increased the weight of each part, thereby increased vehicle self's weight.

SUMMERY OF THE UTILITY MODEL

An object of the application is to provide a frame and electric motor car, can reduce the quality of vehicle when improving the electric motor car steadiness.

The embodiment of this application provides a frame on the one hand, including the last pipe and the lower border pipe that set up side by side, the lateral wall fixed connection of last pipe and lower border pipe, the same side end of last pipe and lower border pipe respectively with girder union coupling, the other end of last pipe and lower border pipe is to the direction bending type who keeps away from and become the installation region, the frame is still including inlaying the well fishplate bar of establishing in the installation region, well fishplate bar is fixed with the lateral wall of last pipe and lower border pipe, well fishplate bar is used for the fixed connection bracket, chain stay and chap.

As an implementable mode, one side that well fishplate bar and lower leg union coupling is provided with the through-hole, and the end connection of the lower leg union coupling end has the connecting portion perpendicular with the lower leg union, and connecting portion stretch into the through-hole in order to fix the position of fishplate bar.

As a practical mode, the end part of one side of the middle joint plate connected with the lower edge pipe is provided with a bottom fork installation part and a large support installation part, and one side of the middle joint plate far away from the main beam pipe is provided with a foot rest installation part.

As a practical way, the upper edge pipe is welded with the side wall of the lower edge pipe.

As an implementable mode, the upper side pipe and the lower side pipe respectively comprise two, the two upper side pipes and the two lower side pipes are respectively arranged on two sides of the main beam pipe, and the upper side pipes on two sides are connected through the reinforcing rods.

As an implementable mode, the end parts of the same side ends of the upper side pipe and the lower side pipe are fixedly connected with fixing parts which are respectively vertical to the upper side pipe and the lower side pipe, and the fixing parts of the upper side pipe and the lower side pipe are respectively fixedly connected with the main beam pipe.

As a practical way, the fixing part of the upper tube and the fixing part of the lower tube form an included angle.

As an implementable mode, the other ends of the two upper side pipes extend towards the direction far away from the main beam pipe and the lower side pipe respectively, and a rear clothes rack is arranged between the end parts of the two upper side pipes.

As a practical way, a reinforcing pipe is arranged between the two middle joint plates.

Another aspect of this application embodiment provides an electric motor car, includes above-mentioned frame and respectively with the chain stay, bracket and the big support that the well fishplate bar of frame is connected.

The beneficial effects of the embodiment of the application include:

the utility model provides a vehicle frame, which comprises an upper side tube and a lower side tube which are arranged in parallel, wherein the side walls of the upper side tube and the lower side tube are fixedly connected, the same-side ends of the upper side tube and the lower side tube are respectively connected with a main beam tube, the two side tubes of the upper side tube and the lower side tube are connected and arranged, the stability of the vehicle frame can be improved, the other ends of the upper side tube and the lower side tube are bent towards a far direction to form an installation area, the vehicle frame also comprises a middle connecting plate which is embedded in the installation area, the middle connecting plate is fixed with the side walls of the upper side tube and the lower side tube, an included angle is formed between the upper side tube and the lower side tube towards the far direction, so that the installation area is triangular, the middle connecting plate is embedded in the installation area, the middle connecting plate is not easy to deform in the installation area according to the principle that the triangle has stability, the middle connecting plate is used for fixedly connecting a footrest, a flat fork and a large support, and the prior art is prevented from being respectively installed on the vehicle frame through respective switching brackets, unnecessary switching support has been saved, has alleviateed frame weight. The frame provided by the utility model can improve the stability of the electric vehicle and reduce the mass of the vehicle.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

FIG. 1 is a schematic structural view of a vehicle frame according to an embodiment of the present disclosure;

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

fig. 3 is a third schematic structural view of a vehicle frame according to an embodiment of the present application.

An icon: 100-a frame; 110-upper tube; 120-lower edge tube; 130-main beam pipe; 140-an intermediate plate; 141-through holes; 142-a bottom fork mounting portion; 143-big support mounting part; 144-a leg rest mount; 150-a stationary part; 160-rear clothes hanger; 170-reinforcing tube; 180-reinforcing bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in 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 obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, as presented in the figures, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application without making any creative effort belong to the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined or explained in subsequent figures.

In the description of the present application, it is further noted that, unless expressly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

The frame is as the main frame of electric motor car, need have stronger structural strength in order to guarantee the security of electric motor car, and is thicker with various tubular product and panel setting among the prior art to make the weight of vehicle self great, in addition, all set up on the frame through respective switching support, also increased the weight of vehicle through accessories such as big brace, chain stay and bracket.

The utility model provides a vehicle frame 100, as shown in fig. 1, comprising an upper side tube 110 and a lower side tube 120 which are arranged in parallel, wherein the side walls of the upper side tube 110 and the lower side tube 120 are fixedly connected, the same side end parts of the upper side tube 110 and the lower side tube 120 are respectively connected with a main beam tube 130, the other ends of the upper side tube 110 and the lower side tube 120 are bent towards the direction away to form a mounting area, the vehicle frame 100 further comprises a middle connecting plate 140 which is embedded in the mounting area, the middle connecting plate 140 is fixed with the side walls of the upper side tube 110 and the lower side tube 120, and the middle connecting plate 140 is used for fixedly connecting a footrest, a bottom fork and a large support.

The other end of upper limit pipe 110 and lower border pipe 120 forms the installation region to the reverse bending type who keeps away from, and the buckling of two limit pipes makes two limit pipes form the contained angle for the installation region is triangle-shaped, and well fishplate bar 140 inlays and locates in the installation region, makes well fishplate bar 140 non-deformable.

The arrangement of the two side pipes of the upper side pipe 110 and the lower side pipe 120 enables the side of the frame 100 to have the two side pipes, and the stability of the frame 100 is effectively enhanced.

In order to further improve the stability of the frame 100, the upper side tube 110, the lower side tube 120 and the middle joint plate 140 may use high-yield-strength tube and plate materials as raw materials, and the wall thickness of the raw materials may be reduced under the condition of the same structural strength, thereby further reducing the weight of the frame 100.

Those skilled in the art should understand that the end of the main beam tube 130 is further fixedly provided with a head tube, the end of the side tube is further provided with a rear clothes hanger 160 and other components, the utility model is not limited to the head tube, the rear clothes hanger 160 and other components, and the arrangement can be performed according to actual conditions, so that the frame 100 of the utility model can be adapted to various vehicle types.

The utility model provides a vehicle frame 100, which comprises an upper side tube 110 and a lower side tube 120 which are arranged in parallel, wherein the side walls of the upper side tube 110 and the lower side tube 120 are fixedly connected, the same side end parts of the upper side tube 110 and the lower side tube 120 are respectively connected with a main beam tube 130, the two side tubes of the upper side tube 110 and the lower side tube 120 are connected, the stability of the vehicle frame 100 can be improved, the other ends of the upper side tube 110 and the lower side tube 120 are bent towards the far direction to form a mounting area, the vehicle frame 100 also comprises a middle connecting plate 140 which is embedded in the mounting area, the middle connecting plate 140 is fixed with the side walls of the upper side tube 110 and the lower side tube 120, the mounting area is formed towards the far direction, the mounting area is triangular, the middle connecting plate 140 is embedded in the mounting area, the middle connecting plate 140 is not easy to deform in the mounting area according to the principle that the triangle has stability, the middle connecting plate 140 is used for fixedly connecting footrests, flat forks and large supports, the leg rest, the bottom fork and the large support are prevented from being arranged on the frame 100 through respective switching brackets in the prior art, unnecessary switching brackets are omitted, and the weight of the frame 100 is reduced. The frame 100 provided by the utility model can improve the stability of the electric vehicle and reduce the mass of the vehicle.

Optionally, as shown in fig. 1, a through hole 141 is provided at one side of the middle joint plate 140 connected to the lower edge tube 120, a connecting portion perpendicular to the lower edge tube 120 is connected to an end portion of the other end of the lower edge tube 120, and the connecting portion extends into the through hole 141 to fix the position of the middle joint plate 140.

The connecting part is used to extend into the through hole 141 of the middle connection plate 140, so that the supporting force and the supporting angle of the lower tube 120 to the middle connection plate 140 can be increased, and the structural stability of the middle connection plate 140 can be improved. Wherein, lower limb 120 can integrated into one piece with connecting portion, can improve the joint strength of lower limb 120 and connecting portion to improve the support dynamics of lower limb 120 to fishplate bar 140.

In an implementation manner of the embodiment of the present invention, as shown in fig. 1 and 3, a bottom fork mounting portion 142 and a large support mounting portion 143 are disposed at an end of a side of the middle joint plate 140 fixedly connected to the lower side pipe 120, and a leg support mounting portion 144 is disposed at a side of the middle joint plate 140 away from the main beam pipe 130.

Wherein, the side of well fishplate bar 140 keeping away from main beam pipe 130 sets up bracket installation portion 144, and bracket installation portion 144 is used for installing the bracket. The middle connecting plate 140 is provided with a bottom fork mounting portion 142 and a large support mounting portion 143 at the end of one side fixedly connected with the lower side tube 120, the bottom fork mounting portion 142 is used for mounting a bottom fork, the bottom fork is used for connecting and arranging a rear wheel, and the large support mounting portion 143 is used for mounting a large support.

The bottom fork mounting part 142, the large support mounting part 143 and the footrest mounting part 144 on the middle connecting plate 140 are reasonable in layout, the area of the middle connecting plate 140 can be fully utilized, and the middle connecting plate 140 is fixedly connected with the footrest, the bottom fork and the large support, so that the phenomenon that the footrest, the bottom fork and the large support are respectively mounted on the frame 100 through respective transfer brackets in the prior art is avoided, unnecessary transfer brackets are omitted, and the weight of the frame 100 is reduced.

Optionally, the upper side tube 110 is welded to the side wall of the lower side tube 120. The upper side tube 110 and the lower side tube 120 are welded to each other, so that the connection strength between the upper side tube 110 and the lower side tube 120 can be improved, and the stability of the vehicle frame 100 can be improved.

As one practical manner, as shown in fig. 2 and 3, the upper side pipe 110 and the lower side pipe 120 respectively include two, the two upper side pipes 110 and the two lower side pipes 120 are respectively disposed on two sides of the main beam pipe 130, and the upper side pipes 110 on the two sides are connected by the reinforcing rod 180.

As a simple and convenient riding tool, the electric bicycle needs to be respectively provided with the upper side pipe 110 and the lower side pipe 120 on two sides, the upper side pipes 110 on two sides of the main beam pipe 130 are connected through the reinforcing rod 180, and the reinforcing rod 180 can fix the upper side pipes 110 on two sides of the main beam pipe 130, so that the stability of the bicycle frame 100 is improved.

It should be noted that the specific form and number of the reinforcing tubes 170 are not limited in the present invention, for example, two flat rods are used as the reinforcing rods 180, the two flat rods are arranged at intervals, the two flat rods as the reinforcing rods 180 do not occupy the space in the vertical direction, the height of the vehicle bottom is reduced, the contact area between the reinforcing rods 180 and the upper tube 110 is increased by the flat reinforcing rods 180, the installation by an operator is facilitated, and the connection strength between the reinforcing rods 180 and the upper tube 110 can also be increased. As for the number of the reinforcing rods 180, those skilled in the art should know that the greater the number of the reinforcing rods 180, the stronger the supporting force to the upper side pipes 110 at both sides is, so that the stability of the electric vehicle is better, but if too many reinforcing rods 180 are arranged, the weight of the electric vehicle is inevitably increased, so that the two reinforcing rods 180 are arranged in the utility model, and the weight of the electric vehicle is reduced without affecting the reinforcing effect.

In an implementation manner of the embodiment of the present invention, as shown in fig. 1, the end portions of the upper side tube 110 and the lower side tube 120 at the same side end are fixedly connected to form a fixing portion 150 perpendicular to the upper side tube 110 and the lower side tube 120, respectively, and the fixing portion 150 of the upper side tube 110 and the fixing portion 150 of the lower side tube 120 are fixedly connected to the main beam tube 130, respectively.

The arrangement of the fixing portions 150 of the upper and

lower side tubes

110 and 120 increases the distance between the upper and

lower side tubes

110 and 120 and the center of the frame 100, thereby increasing the balance during riding.

Alternatively, as shown in fig. 1, the fixing portion 150 of the upper tube 110 forms an angle with the fixing portion 150 of the lower tube 120. Because the upper side tube 110 is fixedly connected with the lower side tube 120, the fixing part 150 of the upper side tube 110 and the fixing part 150 of the lower side tube 120 form an included angle, and the fixing part 150 of the upper side tube 110 and the fixing part 150 of the lower side tube 120 are respectively connected with the main beam tube 130, so that the fixing part 150 of the upper side tube 110, the fixing part 150 of the lower side tube 120 and the main beam tube 130 enclose to form a triangle, the triangle has stability, and the stability of connection between the fixing part 150 of the upper side tube 110 and the fixing part 150 of the lower side tube 120 and the main beam tube 130 is improved.

In one manner of practicing the embodiment of the present invention, as shown in fig. 1 and 2, the other ends of the two upper tubes 110 extend away from the main beam tube 130 and the lower tube 120, respectively, and a rear hanger 160 is disposed between the ends of the two upper tubes 110.

After the other ends of the upper side tube 110 and the lower side tube 120 are bent in a direction away from each other, the upper side tube 110 extends in a direction away from the main beam tube 130 and the lower side tube 120 to form the rear portion of the frame 100 to support a saddle and other components, a rear hanger 160 is arranged between the end portions of the two upper side tubes 110, the two sides of the rear hanger 160 are respectively connected with the end portions of the upper side tubes 110 on the two sides, and the rear hanger 160 is arranged to place articles when people ride conveniently.

The rear hanger 160 is generally extended backward so that the rear hanger 160 is connected to the upper side tube 110 by a point, and the connection structure is unstable, and the embodiment of the present invention provides a support pillar between the rear hanger 160 and the upper side tube 110, one end of the support pillar being fixed to a middle portion of a side of the rear hanger 160, and the other end of the support pillar being connected to a point of the upper side tube 110 different from an end point, for forming a second connection between the upper side tube 110 and the rear hanger 160, so that the connection strength of the rear hanger 160 to the upper side tube 110 is increased.

Optionally, as shown in fig. 2, a reinforcing pipe 170 is disposed between the two intermediate plates 140. The function of the reinforcing pipe 170 is the same as that of the reinforcing rod 180, the intermediate connection plates 140 on both sides are arranged perpendicular to the horizontal plane, when the electric vehicle is in use, the intermediate connection plates 140 are difficult to avoid stress, when the external force applied to the intermediate connection plates 140 exceeds the bearing capacity of the intermediate connection plates 140, the intermediate connection plates 140 are likely to bend inwards or outwards, in order to avoid the above situation, the reinforcing pipe 170 is arranged between the two intermediate connection plates 140, both ends of the reinforcing pipe 170 are respectively fixed with the intermediate connection plates 140 on both sides, and when the intermediate connection plate 140 on one side is stressed, the force is transmitted to the intermediate connection plate 140 on the other side along the reinforcing pipe 170, so that the force is dispersed, and the damage of the intermediate connection plates 140 is avoided.

The embodiment of the application also discloses an electric vehicle, which comprises the vehicle frame 100 as well as a bottom fork, a leg rest and a large support which are connected with the middle connecting plate 140 of the vehicle frame 100. The electric vehicle includes the same structure and advantageous effects as the vehicle frame 100 in the foregoing embodiment. The structure and advantages of the frame 100 have been described in detail in the foregoing embodiments, and will not be described in detail herein.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. The utility model provides a frame, its characterized in that, is including the last limit pipe and the lower limb that set up side by side, the last limit pipe with the lateral wall fixed connection of lower limb pipe, the last limit pipe with the same side end of lower limb pipe respectively with girder union coupling, the last limit pipe with the other end of lower limb pipe is buckled to the direction of keeping away from and is formed the installation region, and the frame is still including inlaying and establishing well fishplate bar in the installation region, well fishplate bar with the lateral wall of last limit pipe and lower limb pipe is fixed, well fishplate bar is used for fixed connection bracket, chain stay and shoring greatly.

2. The frame of claim 1, wherein a through hole is formed in one side of the middle joint plate connected with the lower edge tube, a connecting part perpendicular to the lower edge tube is connected to the end part of the other end of the lower edge tube, and the connecting part extends into the through hole to fix the position of the middle joint plate.

3. The frame according to claim 2, wherein a bottom fork mounting part and a large support mounting part are arranged at the end part of one side of the middle joint plate connected with the lower side pipe, and a leg rest mounting part is arranged at one side of the middle joint plate far away from the main beam pipe.

4. The vehicle frame of claim 1 wherein said upper side tube is welded to a side wall of said lower side tube.

5. The frame of claim 1, wherein the upper side tube and the lower side tube comprise two, the two upper side tubes and the two lower side tubes are respectively arranged on two sides of the main beam tube, and the two upper side tubes are connected through a reinforcing rod.

6. The frame according to claim 5, wherein the ends of the upper side tube and the lower side tube on the same side are fixedly connected with fixing parts perpendicular to the upper side tube and the lower side tube respectively, and the fixing parts of the upper side tube and the lower side tube are fixedly connected with the main beam tube respectively.

7. The frame of claim 6, wherein the fixed portion of the upper tube forms an angle with the fixed portion of the lower tube.

8. The frame of claim 5, wherein the other ends of the two upper tubes extend away from the main beam tube and the lower tube, respectively, and a rear hanger is disposed between the ends of the two upper tubes.

9. The vehicle frame of claim 5 wherein a reinforcement tube is disposed between two said intermediate plates.

10. An electric vehicle comprising a frame as claimed in any one of claims 1 to 9 and a bottom fork, a foot rest and a large support respectively connected to the intermediate plate of the frame.