CN217374775U - Electric all-terrain vehicle - Google Patents

Abstract

The utility model provides an electric all-terrain vehicle, comprising: a frame; a front steering knuckle, the top and bottom ends of the front steering knuckle are respectively connected to the frame through a first front rocker arm and a second front rocker arm , the front steering knuckle is located at the front end of the frame; the front hub motor is arranged on the front steering knuckle; the front shock absorber, one end of the front shock absorber is fixed on the first front rocker arm , the other end of the front shock absorber is fixed on the frame; the front brake disc is arranged on the front wheel hub motor, and the front brake disc is located on the inner side of the front wheel hub motor; the front tire, arranged on the front wheel hub motor. The electric all-terrain vehicle proposed by the utility model can simplify the structure of the frame and improve the versatility of the frame.

Description

An electric all-terrain vehicle

technical field

The utility model relates to the technical field of electric vehicles, in particular to an electric all-terrain vehicle.

Background technique

All-terrain vehicle refers to a vehicle that can travel on any terrain and can walk freely on terrain that is difficult for ordinary vehicles to maneuver. It is commonly known as ATV in China. This model has a variety of uses and is not limited by road conditions. At present, the drive motor and gearbox are placed on the frame of the all-terrain vehicle, and the gearbox distributes the power to the wheels, so as to realize the travel of the all-terrain vehicle. Therefore, the structure of the frame is complex and the versatility is poor. Repairs take a lot of time.

Utility model content

In view of the above-mentioned defects of the prior art, the present invention proposes an electric all-terrain vehicle, which uses in-wheel motors, thereby reducing the complexity of the frame and improving the versatility of the frame.

In order to achieve the above purpose and other purposes, the present invention proposes an electric all-terrain vehicle, comprising:

frame;

a front steering knuckle, the top and bottom ends of the front steering knuckle are respectively connected to the frame through a first front rocker arm and a second front rocker arm, and the front steering knuckle is located at the front end of the vehicle frame;

a front wheel hub motor, arranged on the front steering knuckle;

a front shock absorber, one end of the front shock absorber is fixed on the first front rocker arm, and the other end of the front shock absorber is fixed on the frame;

a front brake disc, which is arranged on the front wheel hub motor, and the front brake disc is located inside the front wheel hub motor;

The front tire is arranged on the front wheel hub motor.

Further, one end of the first front rocker arm is fixed on the top end of the front steering knuckle through a ball joint, and the other end of the first front rocker arm is fixed on the vehicle frame through a bolt.

Further, one end of the second front rocker arm is fixed to the bottom end of the front steering knuckle through a ball joint, and the other end of the second front rocker arm is fixed to the vehicle frame through a bolt.

Further, the front wheel hub motor is arranged on the front steering knuckle through a front flat key.

Further, the front brake disc is fixed to the front wheel hub motor by a plurality of front brake disc fixing bolts.

Further, a front brake caliper is also included, the front brake caliper is arranged on the front steering knuckle, and a part of the front brake disc is located in the front brake caliper.

Further, the first front rocker arm is located above the second front rocker arm, and the first front rocker arm and the second front rocker arm extend toward the outside of the vehicle frame.

Further, the front shock absorber is obliquely arranged between the first front rocker arm and the frame.

Further, the frame includes:

Two stringers arranged in parallel;

an upper bracket of the front shock absorber, arranged at the front end of the longitudinal beam;

Wherein, both ends of the front shock absorber are respectively fixed on the first front rocker arm and the upper bracket of the front shock absorber through bolts.

Further, it also includes a rear driving wheel, the rear driving wheel is arranged at the rear end of the frame, and the rear driving wheel includes a rear in-wheel motor.

Therefore, the utility model proposes an electric all-terrain vehicle. By arranging a front driving wheel and a rear driving wheel on the frame, the front driving wheel and the rear driving wheel both include in-wheel motors, that is, the electric all-terrain vehicle is a four-wheel drive electric vehicle. , so the dynamic performance of the electric all-terrain vehicle can be improved. At the same time, because the electric all-terrain vehicle uses the in-wheel motor as the driving method, the driving method of the electric all-terrain vehicle is simplified, and there is no need to use a complex gearbox and drive motor, so a frame with a complex structure is not required, that is to say, the electric all-terrain vehicle does not need a complex frame. The terrain vehicle can simplify the structure of the frame, improve the universality of the frame, and also improve the universality of the electric all-terrain vehicle.

Description of drawings

Figure 1: The structure diagram of the electric all-terrain vehicle in the present invention.

Figure 2: Another structural diagram of the electric all-terrain vehicle of the present invention.

Figure 3: The installation structure diagram of the rear wheel hub motor in the utility model.

Figure 4: The installation structure diagram of the rear wheel hub motor, the rear steering knuckle, the rear brake disc and the rear brake caliper in the utility model.

Figure 5: The structure diagram of the rear tire in the utility model.

Figure 6: Another structural diagram of the electric all-terrain vehicle of the present invention.

Figure 7: The structure diagram of the first front rocker arm in the present invention.

Figure 8: The installation structure diagram of the front wheel hub motor in the utility model.

Figure 9: Exploded view of the front wheel hub motor in the present invention.

Figure 10: The structure diagram of the first ball joint in the present invention.

Figure 11: The structural diagram of the second ball joint in the present invention.

Detailed ways

The embodiments of the present invention are described below through specific specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification. The present invention can also be implemented or applied through other different specific embodiments, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

It should be noted that the drawings provided in this embodiment are only to illustrate the basic concept of the present invention in a schematic way, and only the components related to the present invention are shown in the drawings instead of the number of components in the actual implementation, In the drawing of shape and size, the type, quantity and proportion of each component can be arbitrarily changed in actual implementation, and the component layout may also be more complicated.

As shown in FIG. 1 , this embodiment proposes an electric all-terrain vehicle 10 . The electric all-terrain vehicle 10 may include a frame 100 . There are front walking wheels 300, that is, the electric all-terrain vehicle 10 can be a two-wheel drive electric vehicle. A seat 400 and a cargo bed 500 are provided on the frame 100 . The seat 400 is located in front of the cargo bed 500 . The vehicle seat 400 includes, for example, two seat cushions, and may of course include more seat cushions. A battery pack and a controller can be arranged below the vehicle seat 400 , so that the space of the vehicle frame 100 can be fully utilized. It should be noted that, in order to improve the dynamic performance of the electric all-terrain vehicle 10 , the front traveling wheels 300 may also be set as front driving wheels, that is, the electric all-terrain vehicle 10 is a four-wheel drive electric vehicle.

As shown in FIGS. 1-2 , in this embodiment, the vehicle frame 100 may include two longitudinal beams 101 arranged in parallel, and the longitudinal beams 101 may be the main structure of the vehicle frame 100 . A seat cushion support beam 102 is provided on the longitudinal beam 101 , and the seat cushion support beam 102 is used for placing a seat cushion, thereby forming a seat 400 on the vehicle frame 100 . A cargo box supporting beam 103 is provided at the rear end of the seat cushion supporting beam 102 , and the cargo box supporting beam 103 is used to support the cargo box 500 . A plurality of rear swing arms 104 are also arranged between the cargo bed support beam 103 and the longitudinal beam 101 , that is, the two ends of the rear swing arm 104 are respectively fixed on the cargo bed support beam 103 and the longitudinal beam 101 . The ends are respectively fixed on the cargo bed support beam 103 and the longitudinal beam 101 by bolts, so as to support the cargo bed support beam 103 and improve the overall stability of the frame 100. These rear swing arms 104 can be obliquely arranged on the cargo bed support Between the beam 103 and the longitudinal beam 101 . The rear swinging arms 104 are symmetrically arranged at the rear ends of the two longitudinal beams 101 , for example, four rear swinging arms 104 are shown in FIG.

As shown in FIG. 2 , in this embodiment, the rear end of the longitudinal beam 101 is further provided with a first rear rocker arm 106 and a second rear rocker arm 107 . The first rear rocker arm 106 is located above the second rear rocker arm 107 . The structures of the first rear rocker arm 106 and the second rear rocker arm 107 are basically the same. Both ends of the first rear rocker arm 106 are respectively fixed on the two rear rocker arms 104 , so that the first rear rocker arm 106 extends to the outside of the vehicle frame 100 , thereby forming a bent end on the outside of the vehicle frame 100 . The second rear rocker arm 107 forms a bent end on the outer side of the frame 100 . These two bent ends can be used to connect the rear knuckle. A first fixing member 1061 is further provided between the first rear rocker arms 106 , and the first fixing member 1061 can play a role of strengthening the first rear rocker arm 106 and improve the stability of the first rear rocker arm 106 .

As shown in FIGS. 2-3 , in this embodiment, a tray 1071 is further provided on the second rear rocker arm 107 , and the tray 1071 may be located at the front end of the second rear rocker arm 107 , that is, the tray 1071 is close to the second rear rocker arm 107 The bent end of the arm 107. The vehicle frame 100 is also provided with a rear shock absorber 109 , one end of the rear shock absorber 109 is fixed on the tray 1071 , and the other end of the rear shock absorber 109 is fixed on the cargo bed support beam 103 . The rear shock absorber 109 also passes through the interior of the first rear rocker arm 106 and is not in contact with the first rear rocker arm 106 . Both ends of the rear shock absorber 109 are respectively fixed on the pallet 1071 and the cargo bed support beam 103 by bolts. The rear shock absorber 109 is provided, for example, obliquely between the tray 1071 and the bed support beam 103 . A first connecting piece 1062 and a second connecting piece 1072 are respectively provided on the bent ends of the first rear rocker arm 106 and the second rear rocker arm 107 . The first connector 1062 and the second connector 1072 may connect the top and bottom ends of the rear knuckle 202, respectively. One end of the first connecting member 1062 is welded on the bent end of the first rear rocker arm 106 , and the other end of the first connecting member 1062 is fixed to the top end of the rear steering knuckle 202 by bolts. One end of the second connecting piece 1072 is welded on the bent end of the second rear rocker arm 107 , and the other end of the second connecting piece 1072 is fixed to the bottom end of the rear steering knuckle 202 by means of bolts. The rear steering knuckle 202 can drive the steering of the rear driving wheel 200 . A rear brake disc 205 and a rear in-wheel motor 201 are sequentially arranged on the outer side of the rear steering knuckle 202 , that is, the rear brake disc 205 is located between the rear steering knuckle 202 and the rear in-wheel motor 201 . The rear wheel hub motor 201 can drive the rear wheel to rotate, and the rear brake disc 205 can decelerate the rear wheel.

As shown in FIGS. 3-4 , in this embodiment, the rear hub motor 201 is fixed on the rear steering knuckle 202 through the rear flat key 203 , and the rear flat key 203 is arranged on the output shaft of the rear steering knuckle 202 and faces backwards. The steering knuckle 202 is extended, and one end of the rear flat key 203 extends out of the center hole of the rear steering knuckle 202 , and then a fixing nut is set at one end of the rear flat key 203 close to the rear steering knuckle 202 to fix the rear hub motor 201 on the rear steering knuckle 202 superior. A rear brake disc 205 is disposed on the inner side of the rear in-wheel motor 201 , and the rear brake disc 205 can be fixed on the rear in-wheel motor 201 by a plurality of rear brake disc fixing bolts 2051 . When the rear hub motor 201 rotates, the rear brake disc 205 also rotates accordingly. A rear brake caliper 204 is also provided on the rear steering knuckle 202 , and the rear brake caliper 204 is fixed on the rear steering knuckle 202 by means of rear brake caliper fixing bolts 2041 . The rear brake caliper 204 surrounds part of the rear brake disc 205 , that is, part of the rear brake disc 205 is located within the rear brake caliper 204 . During the driving process of the electric all-terrain vehicle 10, the rear brake disc 205 rotates along with the rear hub motor 201. When the braking operation is performed, the rear brake caliper 204 clamps a part of the rear brake disc 205, thereby realizing the braking of the vehicle. action.

As shown in FIGS. 4-5 , in this embodiment, a rear tire nut 206 and a rear hub cap 207 are provided on the outer side of the rear hub motor 201 . The rear hub 209 is arranged inside the rear tire 208 , when the rear tire 208 is placed on the rear hub motor 201 , the rear hub 209 is connected to the rear hub motor 201 , and then the rear hub 209 is fixed to the rear hub by the rear tire nut 206 On the motor 201, the rear hub cover 207 is placed on the rear hub 209, the rear hub cover 207 can be located at the center of the rear hub 209, that is to say, the rear hub cover 207 can be located in the center of the rear hub 209. On the other hand, the rear hub cover 207 can protect the drive shaft, for example, prevent the corrosion of the drive shaft from rainwater.

As shown in FIGS. 1 to 4 , in this embodiment, the electric all-terrain vehicle 10 is a two-wheel drive electric vehicle, that is, the rear drive wheels 200 generate driving force, so it is not necessary to use a complex driving motor and a gearbox, so it can be The structure of the vehicle frame 100 is simplified, and the versatility of the vehicle frame 100 is improved. In this embodiment, a battery pack and a controller are simultaneously arranged on the vehicle frame 100 , and the battery pack and the controller are located below the vehicle seat 200 , so the space utilization rate of the vehicle frame 100 is also improved.

As shown in FIGS. 1 and 6 , in order to further improve the power performance of the electric all-terrain vehicle 10 , the electric all-terrain vehicle 10 can also be set as a four-wheel drive electric vehicle, that is to say, the electric all-terrain vehicle 10 may include a rear The in-wheel motor 201 and the front in-wheel motor 301 , that is, the electric all-terrain vehicle 10 may include front driving wheels and rear driving wheels. The structure and arrangement of the rear in-wheel motor 201 may refer to the above description, and the structure and arrangement of the front in-wheel motor 301 will be described below.

As shown in FIGS. 6-9 , in this embodiment, a front shock absorber upper bracket 105 is provided at the front end of the longitudinal beam 101 , and the front shock absorber upper bracket 105 can be fixed on the longitudinal beam 101 through the front fixing bracket 112 That is, one end of the front fixing bracket 112 is fixed on the longitudinal beam 101 , and the other end of the front fixing bracket 112 is fixed on the upper bracket 105 of the front shock absorber. A first front rocker arm 110 is provided on the front fixed bracket 112 , and a second front rocker arm 111 is provided on the longitudinal beam 101 , and the first front rocker arm 110 is located above the second front rocker arm 111 . The structures of the first front rocker arm 110 and the second front rocker arm 111 are basically the same. A second fixing member 1111 is also provided inside the second front rocker arm 111 , the second fixing member 1111 is parallel to the longitudinal beam 101 , and the second fixing member 1111 can play a role of strengthening the second front rocker arm 111 . Similarly, a fixing member is also provided inside the first front rocker arm 110 . One end of the first front rocker arm 110 is bolted to the front fixing bracket 112 , and the other end of the first front rocker arm 110 is bolted to the top of the front steering knuckle 302 . One end of the second front rocker arm 111 is fixed to the longitudinal beam 101 by bolts, and the other end of the second front rocker arm 111 is connected to the bottom of the front steering knuckle 302 by bolts. The first front rocker arm 110 may include a front rocker arm first bracket 1101 and a front rocker arm second bracket 1102 . The first bracket 1101 of the front rocker arm and the second bracket 1102 of the front rocker arm are arranged at an angle, that is, the second end 1101b of the first bracket 1101 of the front rocker arm is in contact with the second end 1102b of the second bracket 1102 of the front rocker arm, thereby One end of the first front rocker arm 110 is formed. The first end 1101a of the first bracket 1101 of the front rocker arm and the first end 1102a of the second bracket 1102 of the front rocker arm extend in different directions, and the two first ends are both connected to the longitudinal beam 101, so the two The first end is defined as the other end of the first front rocker arm 110 . Similarly, one end and the other end of the second front rocker arm 111 have the same structure as one end and the other end of the first front rocker arm 110 .

As shown in FIGS. 6-9 , in this embodiment, the first front rocker arm 110 and the second front rocker arm 111 can place the ball head 303 on the top and bottom of the front steering knuckle 302 respectively, and then the ball head 303 A ball nut 304 is provided at the bottom of the front steering knuckle 302 to fix the first front rocker arm 110 and the second front rocker arm 111 on the top and bottom of the front steering knuckle 302 respectively. A front shock absorber 113 is also included between the first front rocker arm 110 and the upper bracket 105 of the front shock absorber. One end of the front shock absorber 113 is fixed on the first front rocker arm 110 by bolts. The other end is fixed on the upper bracket 105 of the front shock absorber by bolts. Since one end of the front shock absorber 113 is fixed on one end of the first front rocker arm 110 close to the front steering knuckle 302 , the front shock absorber 113 can be fixed obliquely between the upper bracket 105 of the front shock absorber and the first front rocker arm 110 between. The front shock absorber 113 can act as a shock absorber to reduce the bumping of the vehicle.

As shown in FIG. 7 , FIG. 9 to FIG. 10 , in this embodiment, one end of the first front rocker arm 110 is connected with a first ball joint 114 , and the first ball joint 114 is used to realize the first A front rocker arm 110 is connected to the front steering knuckle 302 . The top surface 1141 of the first ball joint 114 is flat, so the lower bracket of the front shock absorber 113 can be disposed on the top surface 1141 . The front end of the first ball joint 114 is provided with a first ball hole 1142. The first ball hole 1142 can be located on the ball hole at the top of the front steering knuckle 302, that is to say, the ball head 303 passes through the first ball in sequence. Head hole 1142 and ball head hole on top of front knuckle 302 . The side wall 1143 of the first ball joint 114 may be in contact with the second end 1102 b of the second front rocker arm 1102 , for example, the side wall 1143 and the second end 1102 b are welded and fixed. The backside 1144 of the first ball joint 114 can be in contact with the second end 1101b of the first bracket 1101 of the front rocker arm, for example, the backside 1144 and the second end 1101b are welded and fixed.

As shown in FIGS. 7 , 9 and 11 , in this embodiment, the second front rocker arm 111 is connected to the front steering knuckle 302 through the second ball joint 115 . The front end of the second ball joint 115 is provided with a second ball hole 1151. The second ball hole 1151 is located below the ball hole at the bottom of the front steering knuckle 302, that is to say, the ball head 303 passes through the front steering knuckle in sequence. 302 the ball head hole at the bottom and the second ball head hole 1151. Two connecting posts 1152 are also provided at the rear end of the second ball joint 115, and the two connecting posts 1152 are used to connect the two brackets of the second front rocker arm 111, so as to realize the connection between the second front rocker arm 111 and the front rocker arm 111. Connection of steering knuckle 302 .

As shown in FIGS. 1 and 9 , in this embodiment, a front in-wheel motor 301 is provided on the outer side of the front steering knuckle 302 , and a front brake disc 308 is provided on the front in-wheel motor 301 . The front brake disc 308 is fixed to the front in-wheel motor 301 by, for example, a plurality of front-brake-disc fixing bolts 311 , so when the front in-wheel motor 301 rotates, the front brake disc 308 rotates accordingly. The front hub motor 301 can be connected to the front steering knuckle 302 through the front flat key 305 , that is, the front flat key 305 is arranged on the output shaft of the front hub motor 301 , and the front flat key 305 extends in the direction of the front steering knuckle 302 . The front flat key 305 passes through the center hole of the front steering knuckle 302 and extends toward the side member 101 . The front flat key 305 is provided, for example, on the output shaft of the front in-wheel motor 301 . In some embodiments, a connection device can also be provided on the output shaft of the front wheel hub motor 301, and then the front flat key 305 is arranged on the connection device. The front flat key 305 is also provided with a front fixing washer 307 and a front fixing nut 306 on one end of the front flat key 305 close to the front steering knuckle 302, so the front flat key 305 can be fixed on the front steering knuckle 302, thereby the front brake disc 308 and the front hub motor 301 are fixed to the front knuckle 302. The front steering knuckle 302 is also provided with a front brake caliper 309 , the front brake caliper 309 can be fixed on the front steering knuckle 302 by the front brake caliper fixing bolts 310 , and a part of the front brake disc 308 is located in the front brake caliper 309 . When a braking operation is performed on the electric all-terrain vehicle 10 , the front brake caliper 309 clamps a part of the front brake disc 308 , so that the electric all-terrain vehicle 10 has a braking effect. A front tire nut 313 and a front hub cap 312 are also provided outside the front hub motor 301 . For the installation method of the front hubcap 312 and the front tire nut 313, reference may be made to the installation method of the rear hubcap and the rear tire nut.

As shown in FIG. 6 , in this embodiment, the electric all-terrain vehicle 10 is a four-wheel drive electric vehicle, so the electric all-terrain vehicle 10 can have greater power performance, that is, the electric all-terrain vehicle 10 has a faster travel speed.

To sum up, the utility model proposes an electric all-terrain vehicle. By arranging a front driving wheel and a rear driving wheel on the frame, the front driving wheel and the rear driving wheel both include in-wheel motors, that is, the electric all-terrain vehicle is a four-wheel drive. Therefore, the dynamic performance of the electric all-terrain vehicle can be improved. At the same time, because the electric all-terrain vehicle uses the in-wheel motor as the driving method, there is no need to use a complex gearbox and drive motor, so it does not need a frame with a complex structure, that is to say, the electric all-terrain vehicle can simplify the structure of the frame and improve the Frame versatility.

The above description is only the preferred embodiment of the present application and the description of the applied technical principle. Those skilled in the art should understand that the scope of the utility model involved in the present application is not limited to the technology formed by the specific combination of the above technical features. At the same time, it should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the concept of the utility model, such as the above features and those disclosed in this application (but not limited to) A technical solution formed by replacing technical features with similar functions.

Except for the technical features described in the specification, other technical features are known technologies by those skilled in the art, and in order to highlight the innovative features of the present invention, the remaining technical features will not be repeated here.

Claims (10)

1. an electric all-terrain vehicle, is characterized in that, comprises: frame; a front steering knuckle, the top and bottom ends of the front steering knuckle are respectively connected to the frame through a first front rocker arm and a second front rocker arm, and the front steering knuckle is located at the front end of the vehicle frame; a front wheel hub motor, arranged on the front steering knuckle; a front shock absorber, one end of the front shock absorber is fixed on the first front rocker arm, and the other end of the front shock absorber is fixed on the frame; a front brake disc, which is arranged on the front wheel hub motor, and the front brake disc is located inside the front wheel hub motor; The front tire is arranged on the front wheel hub motor. 2 . The electric all-terrain vehicle according to claim 1 , wherein one end of the first front rocker arm is fixed on the top end of the front steering knuckle through a ball joint, and the other end of the first front rocker arm is fixed. 3 . Fastened to the frame by bolts. 3 . The electric all-terrain vehicle according to claim 1 , wherein one end of the second front rocker arm is fixed to the bottom end of the front steering knuckle through a ball joint, and the other end of the second front rocker arm is fixed on the bottom end of the front steering knuckle. 4 . One end is bolted to the frame. 4 . The electric all-terrain vehicle according to claim 1 , wherein the front hub motor is arranged on the front steering knuckle through a front flat key. 5 . 5 . The electric all-terrain vehicle according to claim 1 , wherein the front brake disc is fixed to the front wheel hub motor by a plurality of front brake disc fixing bolts. 6 . 6 . The electric all-terrain vehicle according to claim 1 , further comprising a front brake caliper, the front brake caliper is arranged on the front steering knuckle, and a part of the front brake disc is located on the Inside the front brake caliper. 7. The electric all-terrain vehicle according to claim 1, wherein the first front rocker arm is located above the second front rocker arm, and the first front rocker arm and the second front rocker arm are located above the second front rocker arm. The rocker arm extends to the outside of the frame. 8 . The electric all-terrain vehicle according to claim 1 , wherein the front shock absorber is obliquely arranged between the first front rocker arm and the frame. 9 . 9. The electric all-terrain vehicle according to claim 1, wherein the frame comprises: Two stringers arranged in parallel; an upper bracket of the front shock absorber, arranged at the front end of the longitudinal beam; Wherein, both ends of the front shock absorber are respectively fixed on the first front rocker arm and the upper bracket of the front shock absorber through bolts. 10 . The electric all-terrain vehicle according to claim 1 , further comprising a rear driving wheel, the rear driving wheel is disposed at the rear end of the frame, and the rear driving wheel comprises a rear in-wheel motor. 11 .

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