CN213948670U

CN213948670U - Electric vehicle

Info

Publication number: CN213948670U
Application number: CN202022376313.0U
Authority: CN
Inventors: 张正东
Original assignee: Ninebot Beijing Technology Co Ltd
Current assignee: Ninebot Beijing Technology Co Ltd
Priority date: 2020-01-15
Filing date: 2020-01-15
Publication date: 2021-08-13
Anticipated expiration: 2030-01-15
Also published as: CN214028995U; CN214493205U; CN211996001U; CN214028994U

Abstract

The utility model discloses an electric vehicle, electric vehicle includes: a frame, the frame comprising: the tail pipe is connected with the rear end of the middle through pipe; the rocker arm device is arranged on the frame, and the shock absorber comprises a shock absorber bracket; and the lower part of the shock absorber is arranged on the shock absorber bracket. Through setting up the bumper shock absorber support, can solve the installation problem of bumper shock absorber.

Description

Electric vehicle

The present application is a divisional application of patent applications entitled "vehicle frame and electric vehicle having the same" with application number "202020091508.8", filed on 15/01/2020.

Technical Field

The utility model belongs to the technical field of the electric motor car technique and specifically relates to an electric motor car is related to.

Background

The electric vehicle support is a main structure of an electric vehicle and can play a role in supporting the electric vehicle and installing other structural components.

In the correlation technique, the frame adopts both sides limit beam type structure mostly, and this kind of frame and preceding steering column direct weld, the frame structure of so setting is complicated, and because the difference of welding precision and welding quality, product uniformity and frame intensity are relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide an electric motor car, this electric motor car can solve the installation problem of bumper shock absorber.

According to the utility model discloses an electric motor car, include: a frame, the frame comprising: the tail pipe is connected with the rear end of the middle through pipe; the rocker arm device is arranged on the frame, and the shock absorber comprises a shock absorber bracket; and the lower part of the shock absorber is arranged on the shock absorber bracket.

According to the utility model discloses electric motor car through setting up the bumper shock absorber support, can solve the installation problem of bumper shock absorber.

According to some embodiments of the invention, the rocker arm arrangement further comprises: support, rocking arm and motor fixing base, the leg joint in the front end of rocking arm, the motor fixing base is connected the rear end of rocking arm, the bumper shock absorber support set up in on the rocking arm.

According to some embodiments of the invention, the shock absorber support is adjacent to the motor mount relative to the support.

According to some embodiments of the present invention, the damper support is constructed in a plate shape, and the damper support is provided with a damper mounting hole.

According to some embodiments of the utility model, be provided with the lightening hole on the bumper shock absorber support, the lightening hole is rectangular shape.

According to some embodiments of the utility model, the electric motor car still includes: the rear wheel, the top of rear wheel is provided with the rear wheel casing, the bumper shock absorber support is provided with rear wheel casing mounting hole, and the fastener passes the rear wheel casing mounting hole will the rear wheel casing is installed the top of rear wheel.

According to some embodiments of the invention, the number of the middle through pipes is only one.

According to some embodiments of the present invention, the well siphunculus includes: the tail pipe comprises a front inclined section, a middle straight section and a rear inclined section, wherein the middle straight section is connected between the front inclined section and the rear inclined section, the front inclined section extends towards the front upper side in an inclined mode, the front upper end of the front inclined section is connected with the head pipe, the rear inclined section extends towards the rear upper side in an inclined mode, and the rear upper end of the rear inclined section is connected with the tail pipe.

According to some embodiments of the utility model, the left and right sides of the back upper end of hypsokinesis section is provided with the bumper shock absorber mount pad, install on the upper portion of bumper shock absorber on the bumper shock absorber mount pad.

According to some embodiments of the utility model, the bumper shock absorber mount pad be provided with the corresponding through-hole of seat bucket of electric motor car.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of an electric vehicle according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of the assembly of the support, the rocker arm device and the center support device;

fig. 3 is a schematic structural view of a bracket according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a rocker arm apparatus according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a middle support device according to an embodiment of the present invention.

Reference numerals:

an electric vehicle S;

a frame 100;

a head pipe 110;

a middle through pipe 120; a front inclined section 121; a front arc-shaped connecting section 122; a middle straight section 123; a rear arcuate connecting section 124; a rear angled section 125; a center shaft seat 126; a battery mounting bracket 127; a damper mount 128; a through-hole 129;

a tail pipe 130;

a rocker arm device 200;

a rocker arm 210; a left rocker arm 211; a right rocker arm 212; a connecting arm 213; an upper sheet metal arm 2131; a lower sheet metal arm 2132; a shock absorber bracket 214; a damper mounting hole 2141; lightening holes 2142;

a bracket 220;

a motor holder 230; fastener mounting slots 231; a slot 232; a seat plate 233; a limit plate 234;

a central axis 240; a rear wheel cover mounting hole 250;

a middle support device 300;

a mounting bracket 310; a bottom plate 311; a first side plate 312; a second side plate 313;

a middle strut 320; a mounting rod 321; a left connecting rod 322; a left ground support bar 323; a right connecting rod 324; a right ground support 325; a first arced connecting rod 326; a second arcuate connecting rod 327; a third arcuate connecting rod 328; a fourth arc connecting rod 329;

a left stiffener 330; a first plate body 331; a second plate 332; a right reinforcement 340; the third plate 341; a fourth plate 342;

a shock absorber 400; a rear wheel 500.

Detailed Description

Embodiments of the present invention are described in detail below, and the embodiments described with reference to the drawings are exemplary.

An electric vehicle S according to an embodiment of the present invention is described below with reference to fig. 1 to 5.

As shown in fig. 1, the electric vehicle S includes: the vehicle body frame 100, the rocker arm device 200, the middle support device 300 and the in-wheel motor, wherein the rocker arm device 200 is arranged on the vehicle body frame 100, the in-wheel motor is arranged on the rocker arm device 200, the middle support device 300 is also arranged on the rocker arm device 200, and the above structures will be described respectively.

Referring to fig. 2 and 3, a frame 100 of a vehicle according to the present invention includes: the head pipe 110, the middle through pipe 120 and the tail pipe 130, the middle through pipe 120 is only one, the middle through pipe 120 is connected with the head pipe 110, the middle through pipe 120 extends from front to back, and the tail pipe 130 is connected with the rear end of the middle through pipe 120. The head pipe 110 is disposed at the front end of the middle pipe 120, and the tail pipe 130 is disposed at the rear end of the middle pipe 120. It should be noted that, traditional electric motor car generally adopts the mode of double-barrelled or two roof beams, and it is big to occupy left and right sides space like this, the utility model discloses a frame 100 has adopted siphunculus 120 in the list, has solved occupation space's problem, can simplify the relation of connection moreover, can realize frame 100's lightweight design target.

Thus, by directly connecting the center-through pipe 120 with the head pipe 110, the structure of the frame 100 can be simplified, leaving room for other members to be disposed on both sides. In addition, the middle through pipe 120 is provided as one, so that the weight of the electric vehicle S can be reduced, and the electric vehicle S is lighter.

As shown in fig. 3, the middle tube 120 includes: a front inclined section 121, a middle straight section 123 and a rear inclined section 125, the middle straight section 123 is connected between the front inclined section 121 and the rear inclined section 125 in the front-rear direction, the front inclined section 121 extends obliquely toward the front upper direction, and the front upper end of the front inclined section 121 is connected with the head pipe 110, the rear inclined section 125 extends obliquely toward the rear upper direction, and the rear upper end of the rear inclined section 125 is connected with the tail pipe 130. The middle through pipe 120 arranged in this way can enable a user to be more suitable for the posture of the user when riding, and enable the user to be more comfortable to ride. Furthermore, the middle through pipe 120 arranged in this way can effectively connect the head pipe 110 through the front inclined section 121 and effectively connect the tail pipe 130 through the rear inclined section 125, so that the overall structural arrangement of the frame 100 is reasonable and the overall reliability is better. The middle straight section 123 may be disposed straight in the front-back direction, or may be disposed substantially straight in the front-back direction.

Specifically, as shown in fig. 3, the middle tube 120 may further include: a front arc connecting section 122 and a rear arc connecting section 124, the front arc connecting section 122 being connected between the front inclined section 121 and the middle straight section 123, the rear arc connecting section 124 being connected between the middle straight section 123 and the rear inclined section 125. The front angled section 121, the middle straight section 123, and the rear angled section 125 may be connected by a front arc connecting section 122 and a rear arc connecting section 124. And the arc shape is better than the plate shape, therefore, the connecting section is set to be arc shape, and the front arc connecting section 122 and the rear arc connecting section 124 can bear larger force. In addition, the frame 100 of the vehicle can be more smooth and integral by using the front arc connecting section 122 and the rear arc connecting section 124.

As shown in fig. 3, the middle straight section 123 is provided with a middle shaft seat 126 at the left and right sides, and the middle shaft seat 126 is adjacent to the rear end of the middle straight section 123 compared with the front end of the middle straight section 123. The mounting for the foot board and the center shaft 240 can be provided by the center shaft seat 126, and the rear end of the center shaft seat 126 adjacent to the middle straight section 123 can facilitate the riding of the user, so that the user can save labor when riding.

As shown in fig. 3, a battery mounting bracket 127 is disposed on the middle straight section 123, and the battery mounting bracket 127 is located above or obliquely above the middle shaft seat 126. By providing the battery mounting bracket 127 on the middle straight section 123, the battery can be conveniently mounted on the frame 100 of the electric vehicle S. And the middle straight section 123 of the frame 100 can bear a large force, so that the battery is integrated on the middle straight section 123, and the installation stability of the battery can be improved.

Specifically, the center shaft seat 126 is welded to the middle straight section 123. The connection of the center shaft seat 126 and the middle straight section 123 by welding is more reliable and convenient.

In addition, the shaft seat 126 is formed in a ring shape, and a through hole 129 corresponding to the shaft seat 126 is formed on the middle straight section 123.

As shown in fig. 3, the rear upper end of the rear inclined section 125 is provided at both left and right sides with damper mounts 128. By providing the shock absorber mount 128 on the rear upper end of the rear inclined section 125, the shock absorber 400 can be connected to the rear inclined section 125, and there is a certain amount of deformation between the frame 100 and the rear wheel 500 when the user encounters a bump, so that the user can feel more comfortable when riding. The two shock absorber mounting seats 128 can be provided with through holes 129, the seat barrel of the electric vehicle S is correspondingly provided with through holes, and the bolts penetrate through the two corresponding through holes and then are in threaded connection with the nuts, so that the seat barrel can be effectively fixed on the shock absorber mounting seats 128.

Referring to fig. 2 and 4, a rocker arm apparatus 200 for a vehicle according to the present invention includes: rocking arm 210, support 220 and motor fixing base 230, the front end at rocking arm 210 is connected to support 220, and motor fixing base 230 is connected at the rear end of rocking arm 210, is formed with the slot 232 that extends forward from the back on the motor fixing base 230, and motor fixing base 230 still is provided with the open fastener mounting groove 231 towards the outside, and fastener mounting groove 231 and slot 232 are linked together. When the in-wheel motor is arranged on the motor fixing seat 230, the fixing piece clamps the in-wheel motor in the fastener mounting groove 231, so that the movement and circumferential rotation of the in-wheel motor can be limited. It should be noted that, traditional in-wheel motor need use only to turn round the bolt and only to turn round the gasket when the installation, and in the utility model discloses a among the rocker arm device 200, owing to chooseed for use motor fixing base 230, can set up the fastener in fastener mounting groove 231, can omit only to turn round the bolt and only to turn round the gasket to in-wheel motor's installation step can be simplified, in-wheel motor's installation convenience can be improved.

Therefore, the motor fixing seat 230 is arranged on the rocker arm 210, so that a rotation stopping bolt and a rotation stopping gasket can be omitted, and the hub motor is more conveniently and quickly connected with the rocker arm 210.

According to a specific embodiment of the present invention, as shown in fig. 4, the motor fixing base 230 includes: a seat plate 233 and a limit plate 234 having a notch, the slot 232 is formed on the seat plate 233, the limit plate 234 is connected to the rear end of the swing arm 210, and the limit plate 234 is connected to the seat plate 233, the notch corresponds to the rear end of the slot 232. From this, when setting up in-wheel motor on motor fixing base 230, in-wheel motor's the axle head can pass the breach and enter into fastener mounting groove 231, can fix in-wheel motor's axle head through limiting plate 234 and fastener.

Specifically, the cross section of the limiting plate 234 may be a preferential arc shape. The cross section of the limiting plate 234 is set to be in a preferred arc shape, so that the slot 232 formed by the limiting plate 234 is small, the fastening piece can be fixed on the slot 232, and the hub motor is prevented from generating displacement and circumferential rotation. Therefore, the motor fixing seat 230 can enable the electric vehicle S to omit a rotation stopping bolt and a rotation stopping gasket, and enable the electric vehicle S to be simple in structure, so that the rocker arm device 200 is light in weight, and the electric vehicle S meets the light-weight design requirement.

As shown in fig. 4, there are two rocker arms 210, and the two rocker arms 210 are a left rocker arm 211 and a right rocker arm 212, respectively, a connecting arm 213 is connected between the left rocker arm 211 and the right rocker arm 212, the front ends of the left rocker arm 211 and the right rocker arm 212 are provided with a bracket 220, and the rear ends of the left rocker arm 211 and the right rocker arm 212 are provided with a motor fixing base 230. The left rocker arm 211 and the right rocker arm 210 can be connected by the connecting arm 213, and the reliability of the connection between the left rocker arm 211 and the right rocker arm 210 can be ensured, which further ensures the structural reliability of the rocker arm apparatus 200.

Further, the rocker arm 210 may be one of a round pipe, a square pipe, or a special pipe. The motor holder 230 and the connecting arm 213 may be one of steel, aluminum alloy, or titanium alloy.

As can be seen in fig. 4, the connecting arm 213 includes: go up panel beating arm 2131 and lower panel beating arm 2132, go up panel beating arm 2131 and lower panel beating arm 2132 and be connected relatively from top to bottom, go up panel beating arm 2131 and lower panel beating arm 2132 and all connect between left rocking arm 211 and right rocking arm 212. By dividing the connecting arm 213 into the upper sheet metal arm 2131 and the lower sheet metal arm 2132, the structural strength of the connecting arm 213 can be made higher, so that the electric vehicle S is safer when riding.

Referring to fig. 4, the rocker arm apparatus 200 of the vehicle further includes: the middle shaft 240 penetrates through the brackets 220 of the left rocker arm 211 and the right rocker arm 212. The rocker arm apparatus 200 can be mounted on the center shaft seat 126 through the center shaft 240, and the center shaft 240 is also a crank sprocket center shaft, that is, the foot pedal can be mounted on the center shaft 240, whereby the rocker arm shaft can be saved, the electric vehicle S can be simplified in structure, and cost can be saved.

As shown in fig. 4, the rocker arm apparatus 200 of the vehicle further includes: the damper bracket 214 is disposed on the swing arm 210, and the damper bracket 214 is adjacent to the motor fixing base 230 relative to the bracket 220, that is, the damper bracket 214 is adjacent to the rear end of the swing arm 210 compared to the front end of the swing arm 210. Through set up bumper shock absorber support 214 on rocking arm 210, can solve the installation problem of bumper shock absorber 400, can guarantee bumper shock absorber 500's installation reliability, set up bumper shock absorber support 214 in the position department of neighbouring motor fixing base 230 moreover, can make the shock attenuation effect better, the user can be more comfortable riding.

Specifically, as shown in fig. 4, the damper bracket 214 is configured in a plate shape, and a damper mounting hole 2141 is provided on the damper bracket 214. The damper bracket 214 is formed in a plate shape to facilitate production, and the damper mounting hole 2141 is formed in the damper bracket 214 to allow the damper 400 to be mounted on the damper bracket 214, so that the electric vehicle S is more comfortable during riding.

As shown in fig. 4, the damper support 214 is provided with lightening holes 2142, and the lightening holes 2142 are elongated. By providing the lightening holes 2142 in the damper bracket 214, the weight of the electric vehicle S can be reduced, and the electric vehicle S can be designed to be more lightweight. Wherein, the lightening hole 2142 is provided at the rear side of the shock absorber mounting hole 2141, and the length direction thereof is the same as the length direction of the shock absorber bracket 214.

In addition, as shown in fig. 4, a rear wheel cover is further disposed above the rear wheel 500, the shock absorber support 214 is further provided with a rear wheel cover mounting hole 250, and a fastener can pass through the rear wheel cover mounting hole 250 to mount the rear wheel cover above the rear wheel 500, so that the shock absorber support 214 has an integrated function, and the overall structural arrangement of the electric vehicle S can be more reasonable.

As shown in fig. 2 and 5, the center stay device 300 of the vehicle according to the present invention includes: the mounting bracket 310 and the middle support piece 320, the mounting bracket 310 is mounted on the middle support piece 320, the middle support piece 320 can play a role of middle support, the mounting bracket 310 can play a role of mounting connection, the mounting bracket 310 can be mounted on the connecting arm 213 of the rocker arm device 200, the connecting arm 213 and the middle support piece can be connected through a pivot shaft, and a torsion spring can be arranged at the pivot shaft, so that the middle support piece 320 in the retracted position can be ensured to shake randomly.

According to an embodiment of the present invention, as shown in fig. 5, the middle supporting member 320 includes: installation pole 321, left connecting rod 322, left side pole 323, right connecting rod 324 and right pole 325, installation pole 321 is connected between left connecting rod 322 and right connecting rod 324, and installation pole 321 sets up with right connecting rod 324 relatively left connecting rod 322 in a bending way, installation pole 321 is provided with installing support 310, left side pole 323 is connected on left connecting rod 322, and left side pole 323 sets up with left connecting rod 322 in a bending way, right side pole 325 is connected on right connecting rod 324, and right side pole 325 sets up with right connecting rod 324 in a bending way, wherein, well support piece 320 is integrated into one piece spare, that is, installation pole 321, left connecting rod 322, left side pole 323, right connecting rod 324 and right pole 325 are the integrated into one piece structure, and not pipe and panel beating are tailor-welded and are formed.

Therefore, the middle support piece 320 adopts an integrated forming process, the processing difficulty of the middle support device 300 can be reduced, the structural reliability is higher, and the processing convenience and the precision of the middle support piece 320 can be high.

Specifically, as shown in fig. 5, a first arc-shaped connecting rod 326 is disposed between the left connecting rod 322 and the mounting rod 321, and a second arc-shaped connecting rod 327 is disposed between the right connecting rod 324 and the mounting rod 321. A third arc-shaped connecting rod 328 is arranged between the left connecting rod 322 and the left ground supporting rod 323, and a fourth arc-shaped connecting rod 329 is arranged between the right connecting rod 324 and the right ground supporting rod 325. The mounting rod 321, the left connecting rod 322 and the right connecting rod 324 can be connected through the first arc-shaped connecting rod 326 and the second arc-shaped connecting rod 327, the extending direction of the mounting rod 321 can be changed, and the transition between the mounting rod 321 and the connecting rods can be smooth and natural. Through the third and fourth arc connecting rods 328 and 329, the left and right

ground supporting rods

323 and 322 and the right and left connecting

rods

325 and 324 can be connected, and the transition between the connecting rods and the corresponding ground supporting rods can be made smooth and natural. And because the effect of arc bearing capacity is better than the platelike, set up the connecting rod into the arc, the linkage segment can bear bigger power. In addition, the arc-shaped connecting rod can enable the middle support piece 320 to be smoother and have better integrity.

Also, as shown in fig. 5, the left and right connecting

rods

322 and 324 tend to be enlarged in the distance in the front-to-rear direction. So set up electric motor car S stability when the parking better.

Specifically, as shown in fig. 5, the center stay device 300 of the vehicle further includes: a left stiffener 330 and a right stiffener 340, the left stiffener 330 disposed on the third arched connecting rod 328 and the right stiffener 340 disposed on the fourth arched connecting rod 329. By providing the left reinforcement 330 and the right reinforcement 340, the strength of the third and fourth arc link bars 328 and 329 can be improved, and when the middle support 320 is in contact with the ground, the reinforcement is also in contact with the ground together, so that the support stability of the middle support device 300 can be further improved.

As can be seen from fig. 5, the left reinforcement 330 and the right reinforcement 340 are configured in a plate shape, and the left reinforcement 330 includes: first plate body 331 and second plate body 332, first plate body 331 and second plate body 332 are connected to left reinforcement 330 is whole to be the setting of buckling, and the tip of first plate body 331 and second plate body 332 is connected on third arc connecting rod 328. The right reinforcement 340 includes: third plate 341 and fourth plate 342, third plate 341 and fourth plate 342 are connected to right reinforcement 340 wholly is the setting of buckling, and the tip of third plate 341 and the tip of fourth plate 342 are connected on fourth arc connecting rod 329.

By configuring the left reinforcement 330 and the right reinforcement 340 in a plate shape, the left reinforcement 330 and the right reinforcement 340 can be easily produced and obtained. In addition, divide into first plate body 331 and second plate body 332 with left reinforcement 330, and divide into third plate body 341 and fourth plate body 342 with right reinforcement 340, and set up first plate body 331 and second plate body 332 with buckling, and set up third plate body 341 and fourth plate body 342 with buckling, can make second plate body 332 and fourth plate body 342 can assist left branch ground pole 323 and right branch ground pole 325 to prop ground when parking, thereby can promote the stability of electric motor car S when parking.

Specifically, the end portions of the first plate body 331 and the second plate body 332 are welded to the third arc connecting rod 328, and the end portion of the third plate body 341 and the end portion of the fourth plate body 342 are welded to the fourth arc connecting rod 329. Connect left reinforcement 330 and right reinforcement 340 on third arc connecting rod 328 and fourth arc connecting rod 329 through the welded mode, can improve the joint strength between arc connecting rod and the reinforcement that corresponds, can reduce the connection degree of difficulty moreover.

As shown in fig. 5, the mounting bracket 310 includes: the bottom plate 311, the first side plate 312 and the second side plate 313 are oppositely arranged, the bottom plate 311 is connected between the first side plate 312 and the second side plate 313, and both the first side plate 312 and the second side plate 313 are connected with the mounting rod 321. The mounting bracket 310 may be mounted on the swing arm 210 by the first and

second side plates

312 and 313, whereby the center stay device 300 may be fixed to the electric vehicle S. The first side plate 312 and the second side plate 313 may be provided with through holes for the pivot shaft to pass through. The bottom plate 311 may also be connected to the mounting rod 321 to increase the connection strength of the mounting bracket.

Specifically, the first side plate 312 is provided with a first arc-shaped groove, and the second side plate 313 is provided with a second arc-shaped groove, which are fitted at the mounting rod 321. Installation pole 321 is circular pipe, through set up first arc wall on first curb plate 312 to and set up second arc wall on second curb plate 313, and first arc wall and second arc wall can be laminated with the surface of installation pole 321, can be convenient for from this weld the installing support 310 on installation pole 321, and welding strength is high, can be so that installing support 310 is difficult for droing.

Specifically, the mounting bracket 310 may be an integrally formed piece. Set up installing support 310 as an organic whole formed part, can make installing support 310's structural strength better, processing is convenient to and can promote installing support 310's machining precision. In addition, the mounting bracket 310 of the integrated part can reduce the use of a die and reduce the production cost.

As shown in fig. 5, the mounting bracket 310 is located at the middle of the mounting rod 321 in the length direction. The mounting bracket 310 is disposed at the middle of the mounting rod 321 in the length direction, so that the electric vehicle S is more stable when the middle supporting device 300 is placed down to contact with the ground. The mounting bracket 310 thus provided can reduce the number of connection points with the connection arm 213, but can also secure the connection strength.

Specifically, as shown in fig. 5, the left and right connecting

rods

322 and 324 are disposed in bilateral symmetry, and the left and right

ground support rods

323 and 325 are disposed in bilateral symmetry. From this, prop device 300 in the ability is opened about electric motor car S, can promote the flexibility that improves the parking to electric motor car S' S stability is better during the parking. Further, the center support device 300 may have a structure that is symmetrical left and right as a whole, so that the center support device 300 has better overall reliability and higher parking flexibility.

In addition, the rocker arm 210 may further be provided with a single supporting rod, so that a user may select a reasonable ground supporting manner according to actual conditions, thereby increasing parking flexibility of the electric vehicle S.

In the description of the present invention, 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", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An electric vehicle, comprising:

a frame, the frame comprising: the tail pipe is connected with the rear end of the middle through pipe;

the rocker arm device is arranged on the frame and comprises a shock absorber bracket;

and the lower part of the shock absorber is arranged on the shock absorber bracket.

2. The electric vehicle of claim 1, wherein the rocker arm arrangement further comprises: support, rocking arm and motor fixing base, the leg joint in the front end of rocking arm, the motor fixing base is connected the rear end of rocking arm, the bumper shock absorber support set up in on the rocking arm.

3. The electric vehicle of claim 2, wherein the shock absorber mount is adjacent the motor mount relative to the mount.

4. The electric vehicle according to claim 1, wherein the damper bracket is configured in a plate shape, and a damper mounting hole is provided in the damper bracket.

5. The electric vehicle as claimed in claim 1, wherein the shock absorber support is provided with lightening holes, and the lightening holes are elongated.

6. The electric vehicle according to claim 1, characterized by further comprising: the rear wheel, the top of rear wheel is provided with the rear wheel casing, the bumper shock absorber support is provided with rear wheel casing mounting hole, and the fastener passes the rear wheel casing mounting hole will the rear wheel casing is installed the top of rear wheel.

7. The electric vehicle of claim 1, wherein there is only one of the center tubes.

8. The electric vehicle of claim 1, wherein the center tube comprises: the tail pipe comprises a front inclined section, a middle straight section and a rear inclined section, wherein the middle straight section is connected between the front inclined section and the rear inclined section, the front inclined section extends towards the front upper side in an inclined mode, the front upper end of the front inclined section is connected with the head pipe, the rear inclined section extends towards the rear upper side in an inclined mode, and the rear upper end of the rear inclined section is connected with the tail pipe.

9. The electric vehicle according to claim 8, wherein shock absorber mounting seats are provided on left and right sides of a rear upper end of the rear inclined section, and upper portions of the shock absorbers are mounted on the shock absorber mounting seats.

10. The electric vehicle of claim 9, wherein the shock absorber mount is provided with a through hole corresponding to a seat barrel of the electric vehicle.