CN112659836A

CN112659836A - Front axle of electric vehicle

Info

Publication number: CN112659836A
Application number: CN202011614534.5A
Authority: CN
Inventors: 李峙
Original assignee: Skyland Sport Tech Co ltd
Current assignee: Skyland Sport Tech Co ltd
Priority date: 2020-12-30
Filing date: 2020-12-30
Publication date: 2021-04-16

Abstract

The invention discloses an electric vehicle front axle, which comprises a main shaft and cross rods, wherein the two sides of the lower end of the main shaft are fixedly connected with the cross rods, the bottom surface of the main shaft is fixedly connected with a first screw rod, the tail end of each cross rod is provided with a connecting rod, the tail end of each connecting rod is fixedly connected with a connecting seat, the bottom surface of each connecting seat is provided with a first connecting plate, the bottom surface of each first connecting plate is fixedly connected with a damping spring, the bottom surface of each damping spring is fixedly connected with a second connecting plate, the center of the top surface of each first connecting plate penetrates through a first mounting hole, the center of the top surface of each second connecting plate penetrates through a second mounting hole, the first mounting hole is positioned right above the second mounting hole, the first mounting hole and the second mounting hole are sleeved with a damping rod, the bottom surface of each damping rod is provided with a connecting frame, the side surface of the tail end of each connecting frame penetrates through a sleeve hole, the damping spring and the, the burden of the damping spring is reduced, and the service life of the damping spring is prolonged.

Description

Front axle of electric vehicle

Technical Field

The invention relates to the field of electric vehicle accessories, in particular to a front axle of an electric vehicle.

Background

The electric vehicle front axle is positioned at the front part of the electric vehicle, is connected with a frame through a suspension, is internally linked with a damping spring for bearing vertical load between the ground and the frame, and also bears braking force, lateral force and moment formed by the forces, and ensures that the electric vehicle makes correct movement in steering;

but the electric motor car can only carry out the shock attenuation through damping spring in the driving process, and the shock attenuation effect is relatively poor.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides the front axle of the electric vehicle, which solves the problem of poor damping effect of the electric vehicle by arranging the damping spring and the buffer rod, avoids the damage to a weighed chassis caused by bumping generated when the vehicle runs on an uneven road, causes discomfort to a driver and passengers in the vehicle, and easily causes carsickness and vomiting, improves the overall damping performance and the stability in the running process of the vehicle, improves the comfort level in the vehicle, reduces the burden of the damping spring, and prolongs the service life of the damping spring.

In order to solve the technical problems, the invention provides the following technical scheme: the utility model provides an electric motor car front axle, includes main shaft and horizontal pole, the lower extreme both sides fixedly connected with horizontal pole of main shaft, the first screw rod of bottom surface fixed connection of main shaft, the connecting rod is equipped with to the end of horizontal pole, the terminal fixed connection connecting seat of connecting rod, first connecting plate is equipped with to the bottom surface of connecting seat, the bottom surface fixed connection damping spring of first connecting plate, damping spring's bottom surface fixed connection second connecting plate, the top surface center of first connecting plate is run through and is had first mounting hole, the top surface center of second connecting plate is run through and is had the second mounting hole, first mounting hole is located directly over the second mounting hole, first mounting hole with the second mounting hole endotheca is equipped with the buffer beam, trade and be equipped with the link from the bottom surface of doing, the terminal side of link runs through there is the trepanning.

As a preferable technical scheme of the invention, a plurality of first hidden grooves distributed circumferentially at equal intervals are formed in the top surface of the connecting seat, first threaded holes penetrate through the bottom surface of each first hidden groove, a plurality of second threaded holes distributed circumferentially at equal intervals penetrate through the top surface of the first connecting plate, the second threaded holes are positioned under the first threaded holes, the diameter of each second threaded hole is equal to that of the corresponding first threaded hole, first bolts are sleeved in the first hidden grooves and are in threaded connection with the first threaded holes and the second threaded holes, a plurality of second hidden grooves distributed circumferentially at equal intervals are formed in the bottom surface of the connecting frame top plate, third threaded holes penetrate through the top surface of each second hidden groove, fourth threaded holes penetrate through the top surface of the second connecting plate and are positioned over the third threaded holes, and the diameter of the fourth threaded hole is equal to that of the third threaded hole, a second bolt is sleeved in the second hidden groove and is in threaded connection with the third threaded hole and the fourth threaded hole.

As a preferred technical scheme of the present invention, a guide pillar is fixedly connected to a terminal of the cross bar, the diameter of the guide pillar is smaller than that of the cross bar, a positioning hole is formed in a side surface pipe groove at an upper end of the connecting rod, the connecting rod is sleeved on an outer edge of the guide pillar, a positioning groove is formed in the positioning hole, a positioning block is installed in the positioning groove, a bottom surface of the positioning hole is fixedly connected with the outer edge of the guide pillar, a second screw is fixedly connected to the terminal of the guide pillar, a nut is sleeved on an outer edge of the second screw, a fifth threaded hole is formed in a side surface of the nut, and the nut is in.

As a preferable technical scheme of the invention, the outer edge of the damping spring is coated with a wear-resistant layer.

In a preferred embodiment of the present invention, the buffer rod is made of forged steel.

As a preferred technical scheme of the invention, all threaded joints are coated with rust-proof layers.

Compared with the prior art, the invention can achieve the following beneficial effects:

1. the shock absorption spring and the buffer rod are arranged, so that the problem of poor shock absorption effect of the electric vehicle is solved, the damage to a weighed chassis caused by bumping generated when the vehicle runs on an uneven road is avoided, discomfort is caused to a driver and passengers in the vehicle, and the problems of car sickness and vomiting are easily caused, the overall shock absorption performance and the stability in the running process of the vehicle are improved, the comfort level in the vehicle is improved, the burden of the shock absorption spring is reduced, and the service life of the shock absorption spring is prolonged;

2. the whole damping spring and the whole buffer rod are convenient to produce, write and install by arranging the bolts and the threaded holes, the damping spring and the buffer rod are convenient to regularly maintain, the service life of the damping spring and the buffer rod is prolonged, the damping effect is ensured, the damping spring and the buffer rod are convenient to replace when being worn or damaged, the driving safety of a vehicle running on a road is ensured, and the life safety of a driver and passengers in the vehicle is ensured;

3. the whole damping mechanism is convenient to detach and install by arranging the guide pillar and the positioning hole, the efficiency of detaching and maintaining the vehicle is improved, the time is saved, the driving safety of the vehicle is improved, and the life health of passengers and drivers in the vehicle is guaranteed.

Drawings

FIG. 1 is a front view of the overall structure of the present invention;

FIG. 2 is a side view of the overall structure of the present invention;

FIG. 3 is an enlarged cross-sectional view of the structure of FIG. 2 at A in accordance with the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 2 at B according to the present invention;

FIG. 5 is an enlarged side cross-sectional view of the structure of FIG. 2 at C in accordance with the present invention;

FIG. 6 is an enlarged side view of the structure of FIG. 5 at D in accordance with the present invention;

wherein: 1. a main shaft; 2. a cross bar; 3. a nut; 4. a connecting rod; 5. a connecting seat; 6. a damping spring; 7. a buffer rod; 8. a connecting frame; 9. a first screw; 10. trepanning; 11. a first hidden slot; 12. a first threaded hole; 13. a second threaded hole; 14. a first bolt; 15. a first mounting hole; 16. a first connecting plate; 17. a second hidden slot; 18. a second bolt; 19. a third threaded hole; 20. a fourth threaded hole; 21. a second connecting plate; 22. a second mounting hole; 23. a fifth threaded hole; 24. a second screw; 25. a guide post; 26. positioning blocks; 27. positioning holes; 28. and (6) positioning a groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example (b):

as shown in fig. 1 and 2, the invention provides an electric vehicle front axle, which comprises a main shaft 1 and a cross bar 2, wherein the cross bar 2 is fixedly connected to two sides of the lower end of the main shaft 1, a first screw 9 is fixedly connected to the bottom surface of the main shaft 1, a connecting rod 4 is arranged at the tail end of the cross bar 2, a connecting seat 5 is fixedly connected to the tail end of the connecting rod 4, a first connecting plate 16 is arranged at the bottom surface of the connecting seat 5, a damping spring 6 is fixedly connected to the bottom surface of the first connecting plate 16, a second connecting plate 21 is fixedly connected to the bottom surface of the damping spring 6, a first mounting hole 15 penetrates through the center of the top surface of the first connecting plate 16, a second mounting hole 22 penetrates through the center of the top surface of the second connecting plate 21, the first mounting hole 15 is positioned right above the second mounting hole 22, a buffer rod 7 is sleeved in the first mounting hole 15 and the second mounting hole 22, a connecting frame 8 is arranged at the bottom surface;

the poor problem of electric motor car shock attenuation effect has been solved through setting up damping spring 6 and buffer rod 7, jolt that the vehicle produced when traveling on the road of unevenness causes the damage to the chassis of weighing, cause the discomfort for driver and passenger in the car simultaneously, the problem of carsickness vomiting appears easily, the holistic shock attenuation nature of vehicle and the stability of traveling in-process have been improved, the comfort level in the car is improved, damping spring 6's burden has been alleviateed, damping spring 6's life is improved.

In another embodiment, as shown in fig. 3, 4 and 5, the embodiment discloses that the top surface of the connecting seat 5 is provided with a plurality of first hidden grooves 11 distributed circumferentially at equal intervals, the bottom surface of the first hidden groove 11 is provided with a first threaded hole 12, the top surface of the first connecting plate 16 is provided with a plurality of second threaded holes 13 distributed circumferentially at equal intervals, the second threaded holes 13 are positioned right below the first threaded holes 12, the diameter of the second threaded holes 13 is equal to the diameter of the first threaded holes 12, the first hidden grooves 11 are internally sleeved with first bolts 14, the first bolts 14 are in threaded connection with the first threaded holes 12 and the second threaded holes 13, the bottom surface of the top plate of the connecting frame 8 is provided with a plurality of second hidden grooves 17 distributed circumferentially at equal intervals, the top surface of the second hidden grooves 17 is provided with a third threaded hole 19, the top surface of the second connecting plate 21 is provided with a fourth threaded hole 20, the fourth threaded hole 20 is positioned right above the third threaded hole 19, the diameter of the fourth threaded hole 20 is equal to that of the third threaded hole 19, a second bolt 18 is sleeved in the second hidden groove 17, and the second bolt 18 is in threaded connection with the third threaded hole 19 and the fourth threaded hole 20;

be convenient for produce whole damping spring 6 and buffer rod 7 through setting up bolt and screw hole and write and install, be convenient for carry out the life that regular maintenance improved damping spring 6 and buffer rod 7 to it, guarantee the shock attenuation effect, be convenient for change when wearing and tearing or damage appear, driving safety when guaranteeing the vehicle and going on the road guarantees driver and interior passenger's of car life safety.

In another embodiment, as shown in fig. 5 and 6, the embodiment discloses that the end of the cross bar 2 is fixedly connected with a guide pillar 25, the diameter of the guide pillar 25 is smaller than that of the cross bar 2, the pipe groove on the side surface of the upper end of the connecting rod 4 is provided with a positioning hole 27, the connecting rod 4 is sleeved on the outer edge of the guide pillar 25, a positioning groove 28 is formed in the positioning hole 27, a positioning block 26 is arranged in the positioning groove 28, the bottom surface of the positioning hole 27 is fixedly connected with the outer edge of the guide pillar 25, the end of the guide pillar 25 is fixedly connected with a second screw 24, the outer edge of the second screw 24 is sleeved with a nut 3, the side surface of the nut;

the whole damping mechanism is convenient to detach and mount by arranging the guide pillar 25 and the positioning hole 27, the vehicle detaching and maintaining efficiency is improved, the time is saved, the driving safety of the vehicle is improved, and the life health of passengers and drivers in the vehicle is guaranteed.

In another embodiment, the embodiment discloses that the outer edge of the damping spring 6 is coated with a wear-resistant layer; establish the wearing layer through scribbling outside damping spring 6, reduced damping spring 6's wearing and tearing, avoided damping spring 6 wearing and tearing excessive, the sudden fracture when the vehicle goes causes the traffic accident, causes the influence to passenger in the car and driver's personal safety, has improved damping spring 6's life, has guaranteed driving safety.

In another embodiment, the embodiment discloses that the buffer rod 7 is made of forged steel; set up to forging through the material with buffer beam 7 and just, improved buffer beam 7's bulk strength, avoided the vehicle to receive strong impact at the in-process of traveling, cause damage to buffer beam 7 and destroy, lead to its bending fracture, influence the shock attenuation effect, improved buffer beam 7's life, guaranteed driving safety.

In another embodiment, the present embodiment discloses that all threaded connections are coated with a rust resistant layer; through set up the antirust coat in all threaded connection departments, avoided threaded connection's time overlength, the rust appears in the junction, causes destruction to the screw thread, influences the fastening nature of connection, is not convenient for dismantle the maintenance, has improved the internal screw thread life of overall structure, has saved the cost that the spare part was spent in the maintenance.

The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an electric motor car front axle, includes main shaft (1) and horizontal pole (2), the lower extreme both sides fixedly connected with horizontal pole (2) of main shaft (1), the first screw rod of bottom surface fixed connection (9) of main shaft (1), connecting rod (4) are equipped with to the end of horizontal pole (2), terminal fixed connection connecting seat (5) of connecting rod (4), its characterized in that: first connecting plate (16) are equipped with to the bottom surface of connecting seat (5), bottom surface fixed connection damping spring (6) of first connecting plate (16), bottom surface fixed connection second connecting plate (21) of damping spring (6), first mounting hole (15) have been run through at the top surface center of first connecting plate (16), second mounting hole (22) have been run through at the top surface center of second connecting plate (21), first mounting hole (15) are located directly over second mounting hole (22), first mounting hole (15) with second mounting hole (22) endotheca is equipped with buffer beam (7), link (8) are equipped with to the bottom surface of buffer beam (7), trepanning (10) have been run through to the terminal side of link (8).

2. The electric vehicle front axle according to claim 1, characterized in that: the top surface of the connecting seat (5) is provided with a plurality of first hidden grooves (11) which are distributed circumferentially at equal intervals, the bottom surface of each first hidden groove (11) penetrates through a first threaded hole (12), the top surface of the first connecting plate (16) penetrates through a plurality of second threaded holes (13) which are distributed circumferentially at equal intervals, the second threaded holes (13) are positioned under the first threaded holes (12), the diameter of each second threaded hole (13) is equal to that of the corresponding first threaded hole (12), a first bolt (14) is sleeved in each first hidden groove (11), the first bolt (14) is in threaded connection with the first threaded holes (12) and the second threaded holes (13), the bottom surface of the top plate of the connecting frame (8) is provided with a plurality of second hidden grooves (17) which are distributed circumferentially at equal intervals, the top surface of each second hidden groove (17) penetrates through a third threaded hole (19), a fourth threaded hole (20) penetrates through the top surface of the second connecting plate (21), the fourth threaded hole (20) is located right above the third threaded hole (19), the diameter of the fourth threaded hole (20) is equal to that of the third threaded hole (19), a second bolt (18) is sleeved in the second hidden groove (17), and the second bolt (18) is in threaded connection with the third threaded hole (19) and the fourth threaded hole (20).

3. The electric vehicle front axle according to claim 1, characterized in that: the tail end of the cross rod (2) is fixedly connected with a guide pillar (25), the diameter of the guide pillar (25) is smaller than that of the cross rod (2), a positioning hole (27) is formed in a pipe groove in the side face of the upper end of the connecting rod (4), the outer edge of the guide pillar (25) is sleeved with the connecting rod (4), a positioning groove (28) is formed in the positioning hole (27), a positioning block (26) is arranged in the positioning groove (28), the bottom face of the positioning hole (27) is fixedly connected with the outer edge of the guide pillar (25), the tail end of the guide pillar (25) is fixedly connected with a second screw rod (24), a nut (3) is sleeved on the outer edge of the second screw rod (24), a fifth threaded hole (23) is formed in the side face of the nut (3), and the nut (3) is in.

4. The electric vehicle front axle according to claim 1, characterized in that: and the outer edge of the damping spring (6) is coated with a wear-resistant layer.

5. The electric vehicle front axle according to claim 1, characterized in that: the buffer rod (7) is made of forged steel.

6. The electric vehicle front axle according to claim 1, characterized in that: all threaded connections are coated with rust-proof layers.