CN215041927U

CN215041927U - Four-wheel independent suspension double-drive electric vehicle frame

Info

Publication number: CN215041927U
Application number: CN202121604444.8U
Authority: CN
Inventors: 方利群; 汪锦秀
Original assignee: Jiangxi Xutong Machinery Manufacturing Co ltd
Current assignee: Jiangxi Xutong Machinery Manufacturing Co ltd
Priority date: 2021-07-15
Filing date: 2021-07-15
Publication date: 2021-12-07
Anticipated expiration: 2031-07-15

Abstract

The utility model relates to an electric motor car frame technical field, and disclose a four-wheel independent suspension double-drive electric motor car frame, solved present frame only can cushion the shock attenuation in the vertical direction, problem that the shock attenuation effect is relatively poor, it includes the connecting axle, connecting axle one end is connected with the wheel, wheel one side is connected with the link for the connecting axle outside, the link upper end is rotated and is connected with the first attenuator, the utility model discloses, through the up-and-down motion of first attenuator, first spring atress is flexible, and then cushions the shock attenuation with the atress in the vertical direction, simultaneously, the second attenuator moves in the incline direction, and the second spring atress is flexible, and then cushions the shock attenuation with the atress in the incline direction; can cushion the shock attenuation with vertical direction's atress, compare in the tradition only can vertical direction shock-absorbing structure, this novel can be at vertical direction and incline direction combined action shock attenuation, and the shock attenuation is effectual, the effectual shock attenuation effect that improves the frame.

Description

Four-wheel independent suspension double-drive electric vehicle frame

Technical Field

The utility model belongs to the technical field of the electric motor car frame, specifically be a four-wheel independent suspension double-drive electric motor car frame.

Background

The four-wheel electric vehicle is as follows: the highest speed is lower than 50 km/h. The four-wheel electric vehicle comprises an electric sightseeing vehicle, an electric golf cart, an electric patrol vehicle, an electric sanitation vehicle, an electric transport vehicle, an electric tractor, an electric engineering vehicle, a special modified electric vehicle and the like.

Traditional electric motor car frame receives when jolting, and the frame only can cushion the shock attenuation with power in the vertical direction, and the shock attenuation effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a four-wheel independent suspension double-drive electric vehicle frame, the effectual present frame of having solved only can the vertical direction buffering shock attenuation, the relatively poor problem of shock attenuation effect.

In order to achieve the above object, the utility model provides a following technical scheme: a four-wheel independent suspension double-drive electric vehicle frame comprises a connecting shaft, wheels, a connecting frame, a first damper, a mounting frame, first stop blocks, first springs, fixing blocks, a second damper, supporting rods, a reinforcing plate, a second stop block, a second spring, a first connecting seat, a second connecting seat, a third connecting seat and a fourth connecting seat, wherein one end of the connecting shaft is connected with the wheels, one side of each wheel is connected with the connecting frame relative to the outside of the connecting shaft, the upper end of the connecting frame is rotatably connected with the first damper, the upper end of the first damper is rotatably connected with the mounting frame, the two ends of the first damper are both connected with the first stop blocks, the first springs are sleeved between the two first stop blocks relative to the outside of the first damper, the two ends of the connecting frame are both connected with the fixing blocks, one end of each fixing block is rotatably connected with the second damper, the upper end of the second damper is rotatably connected with the supporting rods, and the upper ends of the supporting rods are connected with the lower end of the mounting frame, be connected with the reinforcing plate between branch one end and the mounting bracket, second attenuator both ends all are connected with the second stopper, are equipped with the second spring for the outside cover of second attenuator between two second stoppers.

Preferably, the first connecting seat is installed at the position, corresponding to the first damper, of the upper end of the connecting frame, the lower end of the first damper is rotatably connected with the first connecting seat, the second connecting seat is installed at the position, corresponding to the first damper, of the lower end of the mounting frame, and the upper end of the first damper is rotatably connected with the second connecting seat.

Preferably, the two fixing blocks are welded with the connecting frame.

Preferably, one end of the fixing block is provided with a third connecting seat corresponding to the second damper, the lower end of the second damper is rotatably connected with the third connecting seat, one end of the supporting rod is provided with a fourth connecting seat corresponding to the second damper, and the upper end of the second damper is rotatably connected with the fourth connecting seat.

Preferably, the first spring and the second spring are both made of spring steel.

Preferably, the second damper is inclined, and the angle of inclination of the second damper ranges from 30 ° to 45 °.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses, through the up-and-down motion of first attenuator, first spring atress is flexible, and then cushions the shock attenuation with the atress of vertical direction, and simultaneously, the second attenuator moves in the incline direction, and the second spring atress is flexible, and then cushions the shock attenuation with the atress of incline direction; the novel shock absorption structure can buffer and absorb the stress in the vertical direction, and compared with the traditional shock absorption structure only capable of absorbing the shock in the vertical direction, the novel shock absorption structure can absorb the shock in the vertical direction and the inclined direction under the combined action, has a good shock absorption effect, and effectively improves the shock absorption effect of a frame;

(2) this novel first attenuator and second attenuator can quick assembly disassembly for the device can quick replacement when changing shock attenuation part.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

In the drawings:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention;

fig. 3 is a side view of the present invention;

in the figure: 1. a connecting shaft; 2. a wheel; 3. a connecting frame; 4. a first damper; 5. a mounting frame; 6. a first stopper; 7. a first spring; 8. a fixed block; 9. a second damper; 10. a strut; 11. a reinforcing plate; 12. a second stopper; 13. a second spring; 14. a first connecting seat; 15. a second connecting seat; 16. a third connecting seat; 17. and a fourth connecting seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the first embodiment, as shown in fig. 1, 2 and 3, the present invention comprises a connecting shaft 1, a wheel 2, a connecting frame 3, a first damper 4, a mounting frame 5, a first stopper 6, a first spring 7, a fixing block 8, a second damper 9, a supporting rod 10, a reinforcing plate 11, a second stopper 12, a second spring 13, a first connecting seat 14, a second connecting seat 15, a third connecting seat 16 and a fourth connecting seat 17, wherein one end of the connecting shaft 1 is connected to the wheel 2, one side of the wheel 2 is externally connected to the connecting shaft 1 with the connecting frame 3, the upper end of the connecting frame 3 is rotatably connected to the first damper 4, the upper end of the first damper 4 is rotatably connected to the mounting frame 5, both ends of the first damper 4 are connected to the first stoppers 6, the first spring 7 is sleeved between the two first stoppers 6 with respect to the first damper 4, both ends of the connecting frame 3 are connected to the fixing block 8, one end of the fixing block 8 is rotatably connected to the second damper 9, second attenuator 9 upper end is rotated and is connected with branch 10, and branch 10 upper end is connected with the mounting bracket 5 lower extreme, is connected with reinforcing plate 11 between branch 10 one end and the mounting bracket 5, and second attenuator 9 both ends all are connected with second dog 12, and it is equipped with second spring 13 to overlap for second attenuator 9 outside between two second dogs 12.

Second embodiment, on the basis of first embodiment, first connecting seat 14 is installed to the department that the link 3 upper end corresponds first attenuator 4, first attenuator 4 lower extreme rotates with first connecting seat 14 to be connected, second connecting seat 15 is installed to the department that the mounting bracket 5 lower extreme corresponds first attenuator 4, first attenuator 4 upper end rotates with second connecting seat 15 to be connected, be convenient for rotate first attenuator 4 and install between link 3 and mounting bracket 5, can cushion the shock attenuation with the atress of vertical direction.

In the third embodiment, on the basis of the first embodiment, the two fixing blocks 8 are both welded with the connecting frame 3.

In the fourth embodiment, on the basis of the first embodiment, a third connecting seat 16 is installed at a position, corresponding to the second damper 9, of one end of the fixing block 8, the lower end of the second damper 9 is rotatably connected with the third connecting seat 16, a fourth connecting seat 17 is installed at a position, corresponding to the second damper 9, of one end of the supporting rod 10, and the upper end of the second damper 9 is rotatably connected with the fourth connecting seat 17, so that the second damper 9 is rotatably installed between the fixing block 8 and the supporting rod 10.

In the fifth embodiment, on the basis of the first embodiment, the first spring 7 and the second spring 13 are made of spring steel materials, and have high elastic limit, high yield ratio, high fatigue strength and sufficient toughness.

Sixth embodiment, on the basis of the first embodiment, the second damper 9 is inclined, and the second damper 9 is inclined at an angle ranging from 30 ° to 45 °, so that when a force is applied, the force can be dispersed in the inclined direction.

The working principle is as follows: when using, when wheel 2 receives vibrations when jolting, link 3 is driven and is received and rock for first attenuator 4 moves from top to bottom, and first spring 7 atress is flexible, and then cushions the shock attenuation with the atress of vertical direction, and simultaneously, link 3 drives the motion of fixed block 8, makes second attenuator 9 move on the incline direction, and second spring 13 atress is flexible, and then cushions the shock attenuation with the atress of incline direction.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a four-wheel independent suspension double-drive electric vehicle frame, includes connecting axle (1), wheel (2), link (3), first attenuator (4), mounting bracket (5), first dog (6), first spring (7), fixed block (8), second attenuator (9), branch (10), reinforcing plate (11), second dog (12), second spring (13), first connecting seat (14), second connecting seat (15), third connecting seat (16) and fourth connecting seat (17), its characterized in that: one end of the connecting shaft (1) is connected with a wheel (2), one side of the wheel (2) is externally connected with a connecting frame (3) relative to the connecting shaft (1), the upper end of the connecting frame (3) is rotatably connected with a first damper (4), the upper end of the first damper (4) is rotatably connected with an installation frame (5), the two ends of the first damper (4) are respectively connected with a first stop block (6), a first spring (7) is sleeved between the two first stop blocks (6) relative to the outer part of the first damper (4), the two ends of the connecting frame (3) are respectively connected with a fixed block (8), one end of each fixed block (8) is rotatably connected with a second damper (9), the upper end of each second damper (9) is rotatably connected with a supporting rod (10), the upper end of each supporting rod (10) is connected with the lower end of the installation frame (5), a reinforcing plate (11) is connected between one end of each supporting rod (10) and the installation frame (5), and the two ends of each second damper (9) are respectively connected with a second stop block (12), a second spring (13) is sleeved between the two second stop blocks (12) relative to the outer part of the second damper (9).

2. A four-wheel independent suspension dual drive electric vehicle frame as claimed in claim 1, wherein: the upper end of the connecting frame (3) is provided with a first connecting seat (14) corresponding to the first damper (4), the lower end of the first damper (4) is rotatably connected with the first connecting seat (14), the lower end of the mounting frame (5) is provided with a second connecting seat (15) corresponding to the first damper (4), and the upper end of the first damper (4) is rotatably connected with the second connecting seat (15).

3. A four-wheel independent suspension dual drive electric vehicle frame as claimed in claim 1, wherein: and the two fixing blocks (8) are welded with the connecting frame (3).

4. A four-wheel independent suspension dual drive electric vehicle frame as claimed in claim 1, wherein: fixed block (8) one end corresponds second attenuator (9) department and installs third connecting seat (16), and second attenuator (9) lower extreme rotates with third connecting seat (16) to be connected, and branch (10) one end corresponds second attenuator (9) department and installs fourth connecting seat (17), and second attenuator (9) upper end rotates with fourth connecting seat (17) to be connected.

5. A four-wheel independent suspension dual drive electric vehicle frame as claimed in claim 1, wherein: the first spring (7) and the second spring (13) are both made of spring steel.

6. A four-wheel independent suspension dual drive electric vehicle frame as claimed in claim 1, wherein: the second damper (9) is inclined, and the angle of inclination of the second damper (9) ranges from 30 degrees to 45 degrees.