CN217864536U - Frame and electric vehicle - Google Patents

Abstract

The disclosure relates to a frame and an electric vehicle. This frame includes: the front frame structure comprises a front frame main body, wherein the front end of the front frame main body is tilted; the rear frame structure comprises a rear frame main body and a battery frame, wherein the battery frame is arranged at the rear end of the rear frame main body; the connecting structure is detachably connected with the front end of the rear frame main body and the rear end of the front frame main body; the front frame main body is formed by die casting, and the rear frame main body and the battery frame are formed by die casting. Like this, frame production adds man-hour, directly through the die-casting shaping, need not to connect through the welding mode, reduces production processes, the control of the vehicle quality of being convenient for, and then guarantees the quality of vehicle, simultaneously, can also avoid the potential safety hazard problem because of welding process inefficacy leads to. Meanwhile, the front frame main body and the rear frame main body are connected through the connecting structure, the frame is separately machined and formed, the forming difficulty can be reduced, and the production and the processing are convenient.

Description

Frame and electric vehicle

Technical Field

The disclosure relates to the technical field of travel equipment, in particular to a frame and an electric vehicle.

Background

With the rapid advance of battery technology and the growing concern of society on environmental safety, electric vehicles, especially electric bicycles or two-wheeled electric vehicles, are becoming the mainstream tools for people to go out daily. For an electric vehicle, a frame of the electric vehicle is a main structure of the electric vehicle, and various parts of the electric vehicle are supported by the frame.

At present, the frame of the electric bicycle is mainly made of steel, welding beads of the whole bicycle are very many, quality control is difficult, and the quality of the whole bicycle is affected. Moreover, the safety problem of the frame caused by failure of the welding process often occurs during welding of the frame, and potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

On the basis, the frame and the electric vehicle which can reduce production processes, are convenient for quality control and avoid potential safety hazards caused by welding failure are necessary to solve the problems of more welding processes, difficult quality guarantee and potential safety hazards caused by easy failure of a welding process adopted by the conventional frame.

A vehicle frame, comprising:

the front frame structure comprises a front frame main body, wherein the front end of the front frame main body is arranged in a tilting mode;

the rear frame structure comprises a rear frame main body and a battery frame, wherein the battery frame is arranged at the rear end of the rear frame main body; and

the connecting structure is detachably connected with the front end of the rear frame main body and the rear end of the front frame main body;

the front frame main body is formed by die casting, and the rear frame main body and the battery frame are formed by die casting.

In an embodiment of the disclosure, the connecting structure includes two first connecting members, two second connecting members, and a plurality of first fastening members, one of the first connecting members and the second connecting members is disposed on two sides of the rear end of the front frame body, and the other one is disposed on two sides of the front end of the rear frame body and is disposed correspondingly, and the first fastening members connect the first connecting members and the second connecting members.

In an embodiment of the present disclosure, the first connecting member includes a first mounting plate, and the second connecting member includes a second mounting plate, and the first mounting plate and the second mounting plate are disposed correspondingly and connected by a first fastening member.

In an embodiment of the present disclosure, the first connecting member further includes a third mounting plate located below or above the first mounting plate, the third mounting plate and the first mounting plate are enclosed to form a mounting groove, the second mounting plate is attached to the third mounting plate, and the first fastener passes through the third mounting plate and the second mounting plate is mounted to the first mounting plate.

In an embodiment of the present disclosure, the second connecting member further includes a reinforcing protrusion, the reinforcing protrusion is disposed on the second mounting plate, and the reinforcing protrusion is located on the mounting groove and disposed in a step shape with the mounting plate.

In an embodiment of the present disclosure, the connection structure further includes a third connection member, a fourth connection member and a second fastening member, the third connection member is disposed at the rear end of the front frame body, the fourth connection member is disposed at the front end of the rear frame body, and the fourth connection member is fastened to the third connection member and the fourth connection member.

In an embodiment of the present disclosure, the front frame structure further includes a supporting component disposed at a front end of the front frame main body;

the supporting assembly comprises a mounting seat and fixed edges, the mounting seat is mounted on a vertical pipe at the front end of the front frame main body, the fixed edges are symmetrically arranged on the mounting seat, and the fixed edges are used for mounting an electronic control unit of the electric vehicle;

the mounting seat is arranged in a hollow mode, and the front end of the mounting seat is provided with a mounting position for mounting a basket of the electric vehicle.

In an embodiment of the present disclosure, the rear frame structure further includes a side support mounting member, a middle shaft mounting member, and a bottom fork mounting member, and the side support mounting member, the middle shaft mounting member, and the bottom fork mounting member are disposed at the bottom of the rear frame main body at intervals.

In an embodiment of the present disclosure, the rear frame structure further includes a mounting post and a lock mounting point, the mounting post is disposed on the battery frame and used for mounting a seat cushion of the electric vehicle, and the lock mounting point is disposed at the end of the rear frame main body and used for fixing the seat cushion;

the rear frame structure further comprises a triangular support, the triangular support is arranged at the rear end of the rear frame main body, and the triangular support is used for mounting license plates of the electric vehicle.

The utility model provides an electric motor car, its characterized in that, includes shell, battery package, cushion, wheel and as above-mentioned any technical characteristic the frame, the wheel install in the frame, the shell cover is located the frame, the battery package set up in the battery frame of frame, the cushion set up in the top of battery frame.

This frame and electric bicycle, this frame include fore-stock structure, after-frame structure and connection structure, and connection structure can dismantle the fore-stock main part of connecting the fore-stock structure and the after-frame main part of after-frame structure for the fore-stock main part forms complete frame with the after-frame main part. The front frame main part adopts the die-casting shaping, and the back frame main part adopts the die-casting shaping with the battery holder, and like this, the frame production adds man-hour, directly passes through the die-casting shaping, need not to connect through the welding mode, reduces the production process, and the control of the vehicle quality of being convenient for, and then guarantee the quality of vehicle, simultaneously, can also avoid the potential safety hazard problem because of welding process inefficacy leads to. Meanwhile, the front frame main body and the rear frame main body are connected through the connecting structure, the frame is separately machined and formed, the forming difficulty can be reduced, and the production and the processing are convenient.

Drawings

FIG. 1 is a perspective view of a vehicle frame from an angle according to one embodiment of the present disclosure;

FIG. 2 is a perspective view of the vehicle frame shown in FIG. 1 from another angle;

FIG. 3 is an enlarged fragmentary view of the vehicle frame illustrated in FIG. 2, at the location where the first connector mates with the second connector;

figure 4 is a perspective view of the frame shown in figure 1 from yet another angle.

Wherein: 100. a frame; 110. a front frame structure; 111. a front frame main body; 112. a support assembly; 1121. a mounting base; 1122. fixing the edge; 1123. mounting positions; 120. a rear frame structure; 121. a rear frame main body; 122. a battery holder; 123. mounting a column; 124. fixing the column; 125. a lockset installation point; 126. a triangular bracket; 127. a side support mounting member; 128. a bottom bracket mounting member; 129. a bottom fork mounting member; 150. a connecting structure; 151. a first connecting member; 1511. a first mounting plate; 1512. a third mounting plate; 152. a second connecting member; 1521. a second mounting plate; 1522. a reinforcing protrusion; 153. a first fastener; 154. a third connecting member; 155. a fourth connecting member; 156. a second fastener.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present disclosure more comprehensible, embodiments accompanying the present disclosure are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure. The present disclosure may be embodied in many different forms than those described herein, and those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present disclosure, and therefore the present disclosure is not limited to the specific embodiments disclosed below.

In the description of the present disclosure, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present disclosure and to simplify the description, but are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present disclosure.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present disclosure, "plurality" means at least two, e.g., two, three, etc., unless explicitly defined otherwise.

In the present disclosure, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integral; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present disclosure can be understood by those of ordinary skill in the art as appropriate.

In the present disclosure, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1-4, the present disclosure provides a vehicle frame 100. The frame 100 is applied to an electric vehicle and is a main structure of the electric vehicle. It can be understood that the electric vehicle here is an electric bicycle or an electric motorcycle, and may also be a shared electric vehicle or a private electric vehicle. In the present embodiment, only the electric vehicle will be described as an example of an electric bicycle.

At present, the frame of the electric bicycle is mainly made of steel, welding beads of the whole bicycle are very many, quality control is difficult, and the quality of the whole bicycle is affected. Moreover, the problem of frame installation caused by failure of a welding process often occurs during frame welding, and potential safety hazards exist.

Therefore, the utility model provides a novel frame 100, this frame 100 adopts the die-casting shaping, need not to pass through welded connection, reduces production processes, the control quality of being convenient for, and then guarantees the quality of whole electric motor car, simultaneously, can also avoid reducing the potential safety hazard because of the frame 100 safety problem that welding process inefficacy leads to, guarantees the performance of electric motor car. The specific structure of one embodiment of the vehicle frame 100 is described below.

Referring to fig. 1-4, in one embodiment, a vehicle frame 100 includes a front frame structure 110, a rear frame structure 120, and a connecting structure 150. The front frame structure 110 includes a front frame main body 111, and a front end of the front frame main body 111 is tilted. The rear frame structure 120 includes a rear frame body 121 and a battery frame 122, wherein the battery frame 122 is disposed at the rear end of the rear frame body 121. The connecting structure 150 detachably connects the front end of the rear frame body 121 and the rear end of the front frame body 111; the front frame main body 111 is formed by die casting, and the rear frame main body 121 and the battery frame 122 are formed by die casting.

To better describe the structure of the frame 100, the front, rear, left and rear directions are introduced here, taking the driving direction of the electric vehicle as a reference, the direction of the head of the electric vehicle as the front, the direction of the tail of the electric vehicle as the rear, the left hand side of the user as the left side, and the right hand side as the rear.

The front frame structure 110 is located in front, the rear frame structure 120 is located in rear, the front frame structure 110 and the rear frame structure 120 are arranged in a split mode, the front end of the front frame structure 110 is located in front, the rear end of the rear frame structure 120 is located in rear, the rear end of the front frame structure 110 is connected with the front end of the rear frame structure 120 in a matched mode, and the front frame structure and the rear frame structure are connected and fixed through the connecting structure 150, so that the reliability of the frame 100 structure is guaranteed.

The front frame structure 110 is formed by die casting, and the rear frame structure 120 is also formed by die casting. In this way, the front frame structure 110 and the rear frame structure 120 are not required to be connected by welding during production and processing, but are formed by die-casting, so that the production processes can be reduced, the production efficiency can be improved, the quality control of the frame 100 can be facilitated, and the quality of the electric vehicle can be ensured; meanwhile, the potential safety hazard problem caused by failure of the welding process can be avoided.

The front frame structure 110 and the rear frame structure 120 are die-cast and connected by the connecting structure 150. In order to reduce the difficulty of the die-casting process, the vehicle frame 100 is divided into two parts, namely the front frame structure 110 and the rear frame structure 120, which are respectively die-cast. After the front frame structure 110 and the rear frame structure 120 are die-cast, the rear end of the front frame structure 110 is butted with the front end of the rear frame structure 120, and the front frame structure 110 and the rear frame structure 120 are connected through the connecting structure 150, so that the overall structural strength of the vehicle frame 100 is ensured.

Specifically, the front frame structure 110 includes a front frame main body 111, and a front end of the front frame main body 111 is tilted to mount a head of the electric vehicle. The rear frame structure 120 includes a rear frame body 121 and a battery frame 122, the front end of the rear frame body 121 is connected with the rear end of the front frame body 111 and is fixed by the connection structure 150, the battery frame 122 is arranged at the rear end of the rear frame body 121, and the battery frame 122 accommodates a battery pack of the electric vehicle, so as to ensure the use performance of the electric vehicle.

In the vehicle frame 100 of the embodiment, the front frame main body 111 is formed by die casting, and the rear frame main body 121 and the battery frame 122 are formed by die casting without being connected by welding, so that the production processes are reduced, the production efficiency is improved, the quality can be effectively controlled, and the potential safety hazard can be reduced. In addition, the front frame main body 111 and the rear frame main body 121 are formed by die casting separately, so that the forming difficulty can be effectively reduced, and the production and the processing are convenient.

Referring to fig. 1 to 4, in one embodiment, the front frame body 111 includes a cross frame, an inclined beam, and a riser. The crossbearer is arranged in a horizontal plane, the rear end of the crossbearer is connected with the front frame main body 111, the front end of the crossbearer is connected with the inclined beam, the inclined beam inclines towards the inclined upper part, and the front end of the inclined beam is provided with a vertical pipe. The transverse frame, the inclined beam and the vertical pipe are formed by die casting.

Referring to fig. 1 to 4, in an embodiment, the front frame structure 110 and the rear frame structure 120 are made of aluminum alloy, so that the front frame structure and the rear frame structure can be formed by aluminum alloy through segmented die casting during production and processing, welding connection is not required, production processes are reduced, and quality control of the vehicle frame 100 is facilitated.

Referring to fig. 1 to 4, in an embodiment, the connecting structure 150 includes two first connecting members 151, two second connecting members 152, and a plurality of first fastening members 153, one of the first connecting members 151 and the second connecting members 152 is disposed at two sides of the rear end of the front frame body 111, the other one is disposed at two sides of the front end of the rear frame body 121, and the first fastening members 153 are correspondingly disposed to connect the first connecting members 151 and the second connecting members 152.

The two first connecting members 151 and the two second connecting members 152 are respectively disposed at both sides of the rear end of the front frame main body 111 and both sides of the rear end of the front frame main body 111. When the front frame body 111 and the rear frame body 121 are connected together, each first connecting member 151 and each second connecting member 152 are disposed correspondingly, and the first fastening member 153 fastens the first connecting member 151 and the second connecting member 152. Furthermore, each first connecting member 151 corresponds to at least one first fastening member 153 of the corresponding second connecting member 152. As shown in fig. 1, each first connecting member 151 corresponds to two first fastening members 153 of the corresponding second connecting member 152. Alternatively, the first fastener 153 is a bolt or the like.

Illustratively, two first connection pieces 151 are disposed at both sides of the rear end of the front frame body 111, two second connection pieces 152 are disposed at both sides of the front end of the rear frame body 121, and the two first connection pieces 151 are disposed to correspond to the two second connection pieces 152, respectively. The front frame body 111 and the rear frame body 121 are connected in an involutory manner, so that the first connecting piece 151 and the second connecting piece 152 are stacked and connected through the first fastening piece 153, and the reliable connection of the front frame structure 110 and the rear frame structure 120 is ensured.

Of course, in other embodiments of the present disclosure, two first connectors 151 may be disposed on both sides of the front end of the rear frame body 121, and two second connectors 152 may be disposed on both sides of the rear end of the front frame body 111. Hereinafter, only the first link 151 is located at the rear end of the front frame body 111 and the second link 152 is located at the front end of the rear frame body 121.

Of course, in other embodiments of the present disclosure, the number of the first connecting parts 151 and the second connecting parts 152 is not limited in principle, and may be one or more, which is selected according to actual use requirements.

Referring to fig. 1 to 4, in an embodiment, the first connector 151 includes a first mounting plate 1511, and the second connector 152 includes a second mounting plate 1521, and the first mounting plate 1511 is disposed corresponding to the second mounting plate 1521 and connected by a first fastener 153.

One end of the first mounting plate 1511 is disposed on the side of the rear end of the front frame body 111, and the second mounting plate 1521 is disposed on the side of the front end of the rear frame body 121. When the front frame body 111 and the rear frame body 121 are connected to each other, the first mounting plate 1511 and the second mounting plate 1521 are stacked and directly fastened by the first fastening member 153. It is understood that the first mounting plate 1511 is positioned above the second mounting plate 1521, and the second mounting plate 1521 may also be positioned above the first mounting plate 1511.

Alternatively, the first mounting plate 1511 is integrated with the front frame main body 111, and the second mounting plate 1521 is integrated with the rear frame main body 121. Thus, the structural strength of the frame 100 and the structural strength of the joint are ensured, and the front frame body 111 and the rear frame body 121 are prevented from being broken at the joint.

Referring to fig. 1 to 4, in an embodiment, the first connecting element 151 further includes a third mounting plate 1512 located below or above the first mounting plate 1511, the third mounting plate 1512 and the first mounting plate 1511 are enclosed to form a mounting groove, the second mounting plate 1521 is attached to the third mounting plate 1512, and the first fastener 153 passes through the third mounting plate 1512 and the second mounting plate 1521 and is mounted to the first mounting plate 1511.

That is, the first connecting member 151 further includes a third mounting plate 1512, and the third mounting plate 1512 is disposed opposite to the first mounting plate 1511 in the vertical direction and is enclosed as a mounting groove. In the present embodiment, the third mounting plate 1512 is disposed below the first mounting plate 1511. The second mounting plate 1521 is positioned in the mounting groove, the lower surface of the second mounting plate 1521 is attached to the upper surface of the third mounting plate 1512, and the first mounting plate 1511 is positioned above the upper surface of the second mounting plate 1521. The first fastener 153 sequentially passes through the third mounting plate 1512, the second mounting plate 1521 and the first mounting plate 1511 to be fastened and connected, so that the front frame main body 111 and the rear frame main body 121 are fixedly connected.

Optionally, the third mounting plate 1512 is die-cast with the front frame body 111 to ensure the reliability of the connection between the front frame body 111 and the rear frame body 121. Optionally, the lower surface of the second mounting plate 1521 has a limiting protrusion protruding from the lower surface of the second mounting plate. When the second mounting plate 1521 is stacked and arranged on the third mounting plate 1512, the third mounting plate 1512 can abut against the limiting protrusion, and the mounting positions 1123 of the second mounting plate 1521 and the third mounting plate 1512 are limited.

Referring to fig. 1 to 4, in an embodiment, the second connector 152 further includes a reinforcing protrusion 1522, the reinforcing protrusion 1522 is disposed on the second mounting plate 1521, and the reinforcing protrusion 1522 is located in the mounting groove and is disposed in a step shape with the second mounting plate 1521.

Strengthen protruding 1522 setting at the upper surface of second mounting panel 1521, second mounting panel 1521 is installed behind the mounting groove, strengthens protruding 1522 and is arranged in the mounting groove to be located between first mounting panel 1511 and the second mounting panel 1521, through strengthening protruding 1522 improvement second mounting panel 1521's structural strength, guarantee the reliability that front frame main part 111 and after-frame main part 121 are connected. Moreover, after the reinforcing protrusion 1522 is disposed on the second mounting plate 1521, the reinforcing protrusion 1522 and the second mounting plate 1521 are disposed in a step shape, so that the cross-sectional shape is L-shaped.

Of course, in other embodiments of the present disclosure, the first connecting member 151 and the second connecting member 152 may also be other structural forms capable of connecting the front frame body 111 and the rear frame body 121, as long as the front frame body 111 and the rear frame body 121 are reliably connected.

Referring to fig. 1 to 4, in an embodiment, the connecting structure 150 further includes a third connecting member 154, a fourth connecting member 155 and a second fastening member 156, the third connecting member 154 is disposed at the rear end of the front frame main body 111, the fourth connecting member 155 is disposed at the front end of the rear frame main body 121, and the fourth connecting member 155 is fastened to connect the third connecting member 154 and the fourth connecting member 155.

The third link 154 is located at the rear end of the front frame body 111, and the fourth link 155 is located at the front end of the rear frame body 121. When the front frame body 111 is connected to the rear frame body 121, the rear end of the front frame body 111 corresponds to the front end of the rear frame body 121, and the third connecting member 154 overlaps the fourth connecting member 155, so that the third connecting member 154 and the fourth connecting member 155 are fastened and connected by the second fastening member 156, and the front frame body 111 is fixedly connected to the rear frame body 121.

Alternatively, the third connecting member 154 and the fourth connecting member 155 are disposed in a flat plate shape. Of course, in other embodiments of the present disclosure, the third link 154 and the fourth link 155 have other configurations that can fix the front frame main body 111 and the rear frame main body 121. Alternatively, the third link 154 is die-cast with the front frame body 111, and the fourth link 155 is die-cast with the rear frame body 121.

The frame 100 of the present disclosure, through the cooperation of the two first connecting members 151 and the two second connecting members 152, and through the cooperation of the third connecting member 154 and the fourth connecting member 155, makes the front frame body 111 and the rear frame body 121 have three connection points, and ensures the reliability of the connection between the front frame body 111 and the rear frame body 121. Of course, in other embodiments of the present disclosure, the frame 100 may have two connection points or even more connection points, as long as the reliable connection between the front frame body 111 and the rear frame body 121 is ensured,

Referring to fig. 1 to 4, in an embodiment, the front frame structure 110 further includes a support assembly 112, and the support assembly 112 is disposed at a front end of the front frame main body 111. The support assembly 112 is disposed at a front end of a vertical pipe of the front frame main body 111, the vertical pipe is used for mounting a head of the electric vehicle, and the support assembly 112 is used for mounting an Electronic Control Unit (ECU) of the vehicle, a basket and the like, so as to ensure that the Electronic Control Unit and the basket can be reliably mounted.

In one embodiment, the supporting assembly 112 includes a mounting seat 1121 and a fixing edge 1122, the mounting seat 1121 is mounted on a vertical tube at the front end of the front frame main body 111, the fixing edge 1122 is symmetrically disposed on the mounting seat 1121, and the fixing edge 1122 is used for mounting an electronic control unit of an electric vehicle.

The mount 1121 is provided at a front side surface of the stand pipe and extends toward a front end of the vehicle. That is, one end of the mounting seat 1121 is connected to the stand pipe, and the other end of the mounting seat 1121 extends toward the front end of the electric vehicle. A fixing edge 1122 is provided at an edge of a top of the mounting seat 1121, and the electronic control unit is mounted through the fixing edge 1122. Moreover, the electronic control unit is supported by the fixing edge 1122 and the mounting seat 1121, so that the reliability of supporting can be ensured, and the electronic control unit can be prevented from falling off.

One edge of the fixing edge 1122 is disposed at the top edge of the mounting seat 1121, and the other edge of the fixing edge 1122 extends toward the outer side of the mounting seat 1121. The fixing edge 1122 has a mounting hole, and the electronic control unit is placed on the fixing edge 1122 and fixedly connected by a screw. Optionally, the mounting seat 1121 is integrally die-cast with the fixing edge 1122. Optionally, the mount 1121 is die cast integrally with the riser. Optionally, the number of the fixing edges 1122 is two, and the two fixing edges 1122 are symmetrically arranged to ensure reliable carrying of the electronic control unit.

In an embodiment, the mounting seat 1121 is disposed in a hollow manner. This can reduce the weight of the mount 1121 without affecting the carrying capacity.

Referring to fig. 1 to 4, in an embodiment, the front end of the mounting seat 1121 has a mounting position 1123 for mounting a basket of the electric vehicle. The front end surface of the mounting seat 1121 is provided with a mounting position 1123, and a basket of the electric vehicle is mounted on the mounting seat 1121 through the mounting position 1123, so that the basket is fixed to the frame 100.

In one embodiment, the rear frame structure 120 further includes side support mounting members 127, a bottom bracket mounting member 128, and a bottom fork mounting member 129, wherein the side support mounting members 127, the bottom bracket mounting member 128, and the bottom fork mounting member 129 are spaced apart from each other at the bottom of the rear frame body 121.

The side support mounting member 127 is used for mounting a side support of the electric vehicle, the center shaft mounting member 128 is used for mounting a center shaft of the electric vehicle, and the bottom fork mounting member 129 is used for mounting a bottom fork of the electric vehicle. The side support mounting pieces 127, the bottom bracket mounting piece 128, and the bottom fork mounting piece 129 are provided to the bottom of the rear frame body 121 by die casting.

Referring to fig. 1 to 4, in an embodiment, the rear frame structure 120 further includes a mounting post 123 and a lock mounting point 125, the mounting post 123 is disposed on the battery frame 122 and is used for mounting a seat cushion of an electric vehicle, and the lock mounting point 125 is disposed at a tail end of the rear frame main body 121 and is used for fixing the seat cushion.

The battery holder 122 is disposed behind the rear body 121, the mounting post 123 is disposed on the top of the battery holder 122, and one end of a seat cushion of the electric vehicle is rotatably mounted to the mounting post 123. Lockset mounting points 125 are provided at the rear end of the rear frame. The other end of the cushion can be locked or unlocked to the lock mounting point 125.

With the cushion unblock in tool to lock mounting point 125, open the cushion, install the battery package in battery frame 122, afterwards, cover the cushion to lock the cushion in tool to lock mounting point 125, realize the reliable locking of battery package, avoid the battery package to lose. Moreover, the bottom of the battery rack 122 has a fixing post 124, and the fixing post 124 is used for realizing the installation and fixation of the battery pack, and ensuring that the battery pack is installed in place.

Referring to fig. 1 to 4, in an embodiment, the rear frame structure 120 further includes a triangular bracket 126, the triangular bracket 126 is disposed at a rear end of the rear frame main body 121, and the triangular bracket 126 is used for mounting a license plate of an electric vehicle. The triangular bracket 126 is provided at the end of the rear frame body 121 and is disposed toward the rear end of the electric vehicle. The license plate of the electric vehicle is mounted to the triangular bracket 126, and the support of the license plate is achieved by the triangular bracket 126.

Referring to fig. 1 to 4, the front frame body 111 and the rear frame body 121 in the frame 100 of the present disclosure are formed by die casting without welding, so that the production processes are reduced, the production efficiency is improved, the quality control is facilitated, and the quality of the entire vehicle is ensured; meanwhile, the safety problem of the frame 100 caused by failure of the welding process can be avoided, and potential safety hazards are reduced. With the molding of separately die-casting of front truck structure 110 and after-poppet structure 120, can reduce the technology degree of difficulty, the production and processing of being convenient for, during later stage assembly, connect front truck main part 111 and after-poppet main part 121 through coupling mechanism can, guarantee that front truck main part 111 and after-poppet main part 121 are reliably fixed.

The present disclosure further provides an electric vehicle, which includes a housing, a battery pack, a seat cushion, wheels, and the vehicle frame 100 according to any of the above embodiments, the wheels are installed on the vehicle frame 100, the housing covers the vehicle frame 100, the battery pack is disposed in the battery rack 122 of the vehicle frame 100, and the seat cushion is disposed above the battery rack 122. After the frame 100 of the above embodiment is adopted in the electric vehicle, the production efficiency can be improved, the production procedures are reduced, the quality control is facilitated, the safety problem of the frame 100 caused by failure of a welding process is avoided, the potential safety hazard is reduced, and the use performance of the electric vehicle is ensured.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-described embodiments are merely illustrative of several embodiments of the present disclosure, which are described in more detail and detailed, but are not to be construed as limiting the scope of the disclosure. It should be noted that, for those skilled in the art, various changes and modifications can be made without departing from the concept of the present disclosure, and these changes and modifications are all within the scope of the present disclosure. Therefore, the protection scope of the present disclosure should be subject to the appended claims.

Claims (10)

1. A vehicle frame, comprising:

the front frame structure comprises a front frame main body, wherein the front end of the front frame main body is arranged in a tilting mode;

the rear frame structure comprises a rear frame main body and a battery frame, wherein the battery frame is arranged at the rear end of the rear frame main body; and

the connecting structure is detachably connected with the front end of the rear frame main body and the rear end of the front frame main body;

the front frame main body is formed by die casting, and the rear frame main body and the battery frame are formed by die casting.

2. The frame of claim 1, wherein the connecting structure comprises two first connecting members, two second connecting members, and a plurality of first fastening members, one of the first connecting members and the second connecting members is disposed on both sides of the rear end of the front frame body, the other one of the first connecting members and the second connecting members is disposed on both sides of the front end of the rear frame body and is disposed correspondingly, and the first fastening members connect the first connecting members and the second connecting members.

3. The vehicle frame of claim 2, wherein the first connector comprises a first mounting plate and the second connector comprises a second mounting plate, the first mounting plate and the second mounting plate being disposed in correspondence and connected by a first fastener.

4. The vehicle frame of claim 3, wherein the first connector further comprises a third mounting plate positioned below or above the first mounting plate, the third mounting plate and the first mounting plate enclosing a mounting slot, the second mounting plate abutting the third mounting plate, and the first fastener passing through the third mounting plate and the second mounting plate being mounted to the first mounting plate.

5. The vehicle frame of claim 4, wherein the second connector further comprises a reinforcing protrusion disposed on the second mounting plate, the reinforcing protrusion being located in the mounting slot and being stepped with the mounting plate.

6. The frame according to any one of claims 2 to 5, wherein the connecting structure further comprises a third connecting member, a fourth connecting member and a second fastening member, the third connecting member is disposed at the rear end of the front frame main body, the fourth connecting member is disposed at the front end of the rear frame main body, and the fourth connecting member is fastened to connect the third connecting member and the fourth connecting member.

7. The frame according to any of claims 1 to 5, wherein the front frame structure further comprises a support assembly disposed at a front end of the front frame body;

the supporting assembly comprises a mounting seat and fixed edges, the mounting seat is mounted on a vertical pipe at the front end of the front frame main body, the fixed edges are symmetrically arranged on the mounting seat, and the fixed edges are used for mounting an electronic control unit of the electric vehicle;

the mounting seat is arranged in a hollow mode, and the front end of the mounting seat is provided with a mounting position for mounting a basket of the electric vehicle.

8. The vehicle frame of any of claims 1-5, wherein the rear frame structure further comprises side support mounts, a bottom bracket mount, and a bottom fork mount, the side support mounts, the bottom bracket mount, and the bottom fork mount being spaced apart at a bottom of the rear frame body.

9. The frame according to any one of claims 1 to 5, wherein the rear frame structure further comprises a mounting post and a lock mounting point, the mounting post is arranged on the battery frame and used for mounting a cushion of an electric vehicle, and the lock mounting point is arranged at the tail end of the rear frame main body and used for fixing the cushion;

the rear frame structure further comprises a triangular support, the triangular support is arranged at the rear end of the rear frame main body, and the triangular support is used for mounting license plates of the electric vehicle.

10. An electric vehicle, characterized in that, including shell, battery package, cushion, wheel and the frame of any one of claims 1 to 9, the wheel install in the frame, the shell cover is located the frame, the battery package set up in the battery frame of frame, the cushion sets up in the top of battery frame.

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