CN113978198A

CN113978198A - Guiding device for independent suspension of automobile

Info

Publication number: CN113978198A
Application number: CN202111291042.1A
Authority: CN
Inventors: 熊新; 乐晶晶; 潘则宇; 张凌枫; 杨刚
Original assignee: Yancheng Institute of Technology
Current assignee: Yancheng Institute of Technology
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-01-28

Abstract

The invention discloses a guiding device for an independent suspension of an automobile, which belongs to the technical field of automobile suspensions and comprises a connecting flange plate, an upper swing arm, a lower swing arm, two suspension thrust rods, a connecting structure and an adjusting structure, wherein the upper swing arm is fixedly connected to the top of the connecting flange plate, the lower swing arm is hinged to the bottom of the connecting flange plate, one end of each suspension thrust rod is detachably connected to the lower swing arm through the connecting structure, and the adjusting structure is connected with the other end of each suspension thrust rod so as to adjust the distance between the two suspension thrust rods. The suspension thrust rods are detachably connected to the lower swing arm through the connecting structure, when the guide mechanism is damaged, the suspension thrust rods can be detached and replaced independently, so that the cost is saved, and the distance between the two suspension thrust rods can be adjusted through the adjusting structure to adapt to automobiles with different widths.

Description

Guiding device for independent suspension of automobile

Technical Field

The invention relates to the technical field of automobile suspensions, in particular to a guide device for an automobile independent suspension.

Background

The suspension system transmits all forces and moments acting between the wheels and the vehicle body, relieves the impact borne by the vehicle when the vehicle runs on an uneven road surface, attenuates the vibration transmission rate from the wheels to the vehicle body, ensures the comfort of passengers, reduces the dynamic load of the vehicle, and can effectively improve the running smoothness of the vehicle.

In particular, for passenger cars, the suspension system is required to ensure that the vibration acceleration borne by the passenger in the car cannot exceed a specified threshold value, and also to ensure that the amplitude of the car body and the wheels in a resonance region is small, and the vibration attenuation is fast.

The guide mechanism in the existing suspension system comprises a guide column and a mounting seat, in order to ensure the fixation of the guide column and the mounting seat, the guide column and the mounting seat are generally welded into a whole, the welding structure is high in firmness, but due to rigid connection, vibration generated by an automobile in the use process of the suspension can be directly transmitted to the guide column, so that the guide column is quickly abraded, when the guide column is used and damaged to be replaced, the mounting seat is also replaced along with the guide column due to the structure formed by welding into a whole, and the cost is wasted.

Disclosure of Invention

The invention aims to provide a guide device for an independent suspension of an automobile, which aims to solve the problem of high replacement cost of a guide column in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a guider for independent suspension of car, includes flange plate, last swing arm, two suspension distance rod, connection structure and regulation structure down, it is in to go up the swing arm rigid coupling flange plate top, swing arm articulates down flange plate bottom, the one end of suspension distance rod is passed through connection structure detachable and is connected on the swing arm down, adjust the structure with the other end of suspension distance rod is connected, in order to two the suspension distance rod interval is adjusted.

Preferably, the connecting structure comprises a connecting plate, a shaft sleeve, a shaft pin, an adjusting nut and a first spring, a through hole is formed in the lower swing arm, the shaft sleeve is rotatably installed in the through hole, one end of the shaft pin is fixedly connected to the connecting plate, the other end of the shaft pin is slidably matched in the shaft sleeve, one end of the shaft pin extends out of the through hole and is in threaded connection with the adjusting nut, and the first spring is sleeved on the shaft pin between the adjusting nut and the shaft sleeve.

Preferably, the first spring is always in a compressed state, one end of the first spring abuts against the adjusting nut, and the other end of the first spring abuts against the shaft sleeve.

Preferably, the adjusting structure comprises a telescopic structure and a driving structure, the telescopic structure is mounted on the suspension thrust rods, and the driving structure is matched with the telescopic structure to drive the two suspension thrust rods to generate relative displacement.

Preferably, the telescopic structure comprises a bidirectional internal thread pipe and two threaded rods, the threaded rods are fixedly connected with the suspension thrust rod in a coaxial line mode, and the two threaded rods are in threaded connection with the two ends of the bidirectional internal thread pipe.

Preferably, the drive structure includes casing, worm, adjust knob, worm wheel and bearing frame, the casing cover is established on the two-way internal thread pipe, the worm wheel rigid coupling is in on the two-way internal thread pipe, the bearing frame rigid coupling is in on the shells inner wall, the rotatable installation of two-way internal thread pipe in the bearing frame, the worm is rotatable to be installed on the casing, the worm with the worm wheel phase-match, the adjust knob rigid coupling is in one of worm is served.

Preferably, be equipped with buffer structure on the lower swing arm, buffer structure is including articulated seat, base, stand pipe, guide bar, buffer spring and gland, the mounting groove has been seted up on the swing arm down, articulated seat articulates in the mounting groove, the base rigid coupling is in articulated seat is last, the stand pipe rigid coupling is in on the base, the cooperation of guide bar one end slidable is in the stand pipe, the cooperation of other end slidable is in the gland, the buffer spring cover is established on the stand pipe.

Compared with the prior art, the invention has the beneficial effects that: the suspension thrust rods are detachably connected to the lower swing arm through the connecting structure, when the guide mechanism is damaged, the suspension thrust rods can be detached and replaced independently, so that the cost is saved, and the distance between the two suspension thrust rods can be adjusted through the adjusting structure to adapt to automobiles with different widths.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a novel guiding device for an independent suspension of an automobile;

FIG. 2 is a top view of the guide assembly for an automotive independent suspension of the present invention;

fig. 3 is a front view of the guide apparatus for an independent suspension of an automobile according to the present invention.

FIG. 4 is a sectional view taken along the line A-A of the novel guide device for an independent suspension of an automobile;

FIG. 5 is a sectional view of the guide device for an independent suspension of an automobile according to the present invention taken along the direction B-B;

fig. 6 is an enlarged view of the guide apparatus C for an independent suspension of an automobile according to the present invention.

FIG. 7 is an enlarged view of a guide device D for the novel automotive independent suspension of the present invention;

FIG. 8 is an enlarged view of a portion of the guide assembly for an automotive independent suspension of the present invention;

in the drawings, the components represented by the respective reference numerals are listed below:

1. connecting a flange plate; 2. an upper swing arm; 3. a lower swing arm; 4. connecting plates; 5. a suspension thrust rod; 6. a housing; 7. mounting grooves; 8. a hinged seat; 9. a base; 10. a guide tube; 11. a guide bar; 12. a buffer spring; 13. a gland; 14. a worm; 15. adjusting a knob; 16. a worm gear; 17. a bidirectional internally threaded tube; 18. a threaded rod; 19. a through hole; 20. a shaft sleeve; 21. a shaft pin; 22. adjusting the nut; 23. a first spring; 24. and a bearing 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 a part of the embodiments of the present invention, and not all of the embodiments. 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.

Referring to fig. 1-8, the present invention provides a technical solution: the utility model provides a guider for independent suspension of car, including flange plate 1, go up swing arm 2, lower swing arm 3, two suspension distance rod 5, connection structure and regulation structure, go up 2 rigid couplings of swing arm at flange plate 1 tops, lower swing arm 3 articulates in flange plate 1 bottom, the one end of suspension distance rod 5 is passed through connection structure detachable and is connected on swing arm 3 down, it is connected with the other end of suspension distance rod 5 to adjust the structure to 5 intervals of two suspension distance rod. The connecting flange plate 1 is used for connecting the suspension with a tire, and the upper swing arm 2 is used for connecting an automobile chassis.

The connecting structure comprises a connecting plate 4, a shaft sleeve 20, a shaft pin 21, an adjusting nut 22 and a first spring 23, wherein a through hole 19 is formed in the lower swing arm 3, the shaft sleeve 20 is rotatably installed in the through hole 19, one end of the shaft pin 21 is fixedly connected to the connecting plate 4, the other end of the shaft pin 21 is slidably matched in the shaft sleeve 20, one end of the shaft pin 21 extends out of the through hole 19 and is in threaded connection with the adjusting nut 22, the first spring 23 is sleeved on the shaft pin 21 between the adjusting nut 22 and the shaft sleeve 20, the first spring 23 is always in a compressed state, one end of the first spring 23 abuts against the adjusting nut 22, the other end of the first spring abuts against the shaft sleeve 20, the automobile shakes during running, when the suspension works, the lower swing arm 3 is hinged to the connecting flange plate 1, the lower swing arm 3 can also perform small-amplitude motion, and if the connecting plate 4 is rigidly connected with the lower swing arm 3, the connecting plate is easy to wear during motion of the lower swing arm 3, lead to the junction fracture, this suspension carries out elastic connection through first spring 23 to link board 4 and lower swing arm 3, and when swing arm 3 moved down, first spring 23 can contract and give way, leaves certain space for lower swing arm 3 to move.

The adjusting structure comprises a telescopic structure and a driving structure, the telescopic structure is installed on the suspension thrust rods 5, and the driving structure is matched with the telescopic structure to drive the two suspension thrust rods 5 to generate relative displacement. The extending structure comprises a bidirectional internal thread pipe 17 and two threaded rods 18, the threaded rods 18 are fixedly connected with the coaxial line of the suspension thrust rod 5, the two threaded rods 18 are screwed in two ends of the bidirectional internal thread pipe 17, the driving structure comprises a shell 6, a worm 14, an adjusting knob 15, a worm wheel 16 and a bearing seat 24, the shell 6 is sleeved on the bidirectional internal thread pipe 17, the worm wheel 16 is fixedly connected on the bidirectional internal thread pipe 17, the bearing seat 24 is fixedly connected on the inner wall of the shell 6, the bidirectional internal thread pipe 17 is rotatably installed in the bearing seat 24, the worm 14 is rotatably installed on the shell 6, the worm 14 is matched with the worm wheel 16, and the adjusting knob 15 is fixedly connected on one end of the worm 14. Can drive worm 14 through adjust knob 15 and rotate, can drive worm wheel 16 when worm 14 rotates and rotate, worm wheel 16 rotates and drives two-way internal thread pipe 17 and rotates, because two-way internal thread pipe 17 and two threaded rod 18 spiro union, can drive two threaded rod 18 when two-way internal thread pipe 17 rotates and remove, make two threaded rod 18 be close to each other or keep away from, two threaded rod 18 remove and can drive two suspension distance rod 5 synchronous motion, thereby make the interval of two suspension distance rod 5 change, in order to adapt to the demand of different cars.

Be equipped with buffer structure on lower swing arm 3, buffer structure is including articulated seat 8, base 9, stand pipe 10, guide bar 11, buffer spring 12 and gland 13, mounting groove 7 has been seted up on lower swing arm 3, articulated seat 8 articulates in mounting groove 7, the base 9 rigid coupling is on articulated

seat

8, 10 rigid couplings of stand pipe are on base 9, 11 one end slidable cooperations of guide bar are in stand pipe 10, the cooperation of other end slidable is in gland 13, buffer spring 12 cover is established on stand pipe 10. The buffer structure is used for connecting the lower swing arm 3 with the automobile chassis, and when the automobile chassis shakes greatly, the buffer spring 12 is elastically supported, so that the lower swing arm 3 can be protected in a buffer manner, and the lower swing arm 3 is prevented from being rapidly damaged by impact force given by the chassis.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a guider for independent suspension of car, its characterized in that, includes flange plate (1), goes up swing arm (2), lower swing arm (3), two suspension distance rod (5), connection structure and regulation structure, it is in to go up swing arm (2) rigid coupling flange plate (1) top, swing arm (3) articulate down flange plate (1) bottom, the one end of suspension distance rod (5) is passed through connection structure detachable and is connected on swing arm (3) down, the regulation structure with the other end of suspension distance rod (5) is connected, so as to two suspension distance rod (5) interval is adjusted.

2. The guide device for an independent suspension of an automobile according to claim 1, wherein: connection structure includes even board (4), axle sleeve (20), pivot (21), adjusting nut (22) and first spring (23), through-hole (19) have been seted up on swing arm (3) down, axle sleeve (20) rotatable installation in through-hole (19), pivot (21) one end rigid coupling is in even on board (4), the other end slidable cooperation of pivot (21) is in axle sleeve (20), pivot (21) one end is extended through-hole (19) and with adjusting nut (22) spiro union is in the same place, first spring (23) cover is established adjusting nut (22) and between axle sleeve (20) on pivot (21).

3. The guide device for an independent suspension of an automobile according to claim 2, wherein: the first spring (23) is always in a compressed state, one end of the first spring (23) abuts against the adjusting nut (22), and the other end of the first spring (23) abuts against the shaft sleeve (20).

4. The guide device for an independent suspension of an automobile according to claim 1, wherein: the adjusting structure comprises a telescopic structure and a driving structure, the telescopic structure is installed on the suspension thrust rods (5), and the driving structure is matched with the telescopic structure to drive the two suspension thrust rods (5) to generate relative displacement.

5. The guide device for an independent suspension of an automobile according to claim 4, wherein: the telescopic structure comprises a bidirectional internal threaded pipe (17) and two threaded rods (18), wherein the threaded rods (18) are coaxially and fixedly connected with the suspension thrust rod (5), and the threaded rods (18) are in threaded connection with the two ends of the bidirectional internal threaded pipe (17).

6. The guide device for an independent suspension of an automobile according to claim 5, wherein: drive structure includes casing (6), worm (14), adjust knob (15), worm wheel (16) and bearing frame (24), casing (6) cover is established on two-way internal thread pipe (17), worm wheel (16) rigid coupling is in on two-way internal thread pipe (17), bearing frame (24) rigid coupling is in on casing (6) inner wall, rotatable the installing of two-way internal thread pipe (17) in bearing frame (24), worm (14) rotatable the installing on casing (6), worm (14) with worm wheel (16) phase-match, adjust knob (15) rigid coupling is in one of worm (14) is served.

7. The guide device for an independent suspension of an automobile according to claim 1, wherein: be equipped with buffer structure on swing arm (3) down, buffer structure is including articulated seat (8), base (9), stand pipe (10), guide bar (11), buffer spring (12) and gland (13), mounting groove (7) have been seted up on swing arm (3) down, articulated seat (8) articulate in mounting groove (7), base (9) rigid coupling is in on articulated seat (8), stand pipe (10) rigid coupling is in on base (9), guide bar (11) one end slidable cooperation is in stand pipe (10), other end slidable cooperation is in gland (13), buffer spring (12) cover is established on stand pipe (10).