CN220147103U

CN220147103U - Decoupling type suspension structure

Info

Publication number: CN220147103U
Application number: CN202321415304.5U
Authority: CN
Inventors: 孙舜
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-05
Filing date: 2023-06-05
Publication date: 2023-12-08
Anticipated expiration: 2033-06-05

Abstract

The utility model discloses a decoupling suspension structure, and mainly relates to the technical field of suspensions; the steering device comprises a support frame fixed on a chassis, steering axles are arranged on the left side and the right side of the support frame, a suspension upper swing arm is arranged at the top of the steering axle, a suspension lower swing arm is arranged at the bottom of the steering axle, L-shaped arms are arranged on the left side and the right side of the front end of the support frame, a suspension transverse pull rod is arranged at one end of each L-shaped arm, a suspension longitudinal pull rod is arranged at the other end of each L-shaped arm, a rotary damper is hinged at the rear end of the support frame, a T-shaped arm is arranged on a rotating shaft of each rotary damper, a shock absorber is arranged on the front side of each T-shaped arm, one end of each shock absorber is connected with the support frame, the other end of each shock absorber is connected with each T-shaped arm through a spherical hinge, and one end of each suspension transverse pull rod is connected with each T-shaped arm; the utility model occupies small volume, is easy to maintain, reduces the number of actuating parts compared with the traditional decoupling suspension structure, has higher adjustability compared with the traditional independent suspension, and can ensure the dynamic control performance of the vehicle body.

Description

Decoupling type suspension structure

Technical Field

The utility model relates to the technical field of suspensions, in particular to a decoupling suspension structure.

Background

At present, the left side and the right side of the traditional independent suspension are respectively provided with a damper for buffering and damping, and in the running direction, the dampers at the two sides participate in the action no matter the vehicle body jolts up and down or rolls left and right, namely any damper needs to respond to the action caused by jolts up and down and rolls left and right. The decoupling suspension aims at mutually independent two operating amounts of jolt up and down and rolling left and right of a vehicle body, namely, the phenomenon of active coupling is relieved, and the independent dampers are used for respectively responding the operating amounts from different directions, so that the adjustability and the working efficiency of the suspension are improved

However, the decoupling independent suspension is less used for professional athletic vehicles and is not popularized to civil vehicles, but on a remote control model, the decoupling independent suspension is hardly applied, and the existing decoupling suspension structure is mostly three dampers and two longitudinal dampers, so that the occupied volume is large, the gravity center is too high, and the dynamic control performance of a vehicle body is influenced.

Disclosure of Invention

The utility model aims to solve the problems in the prior art and provide a decoupling suspension structure which has small occupied volume, is easy to maintain, reduces the number of actuating parts compared with the traditional decoupling suspension structure, has higher adjustability compared with the traditional independent suspension and can ensure the dynamic control performance of a vehicle body.

The utility model aims to achieve the aim, and the aim is achieved by the following technical scheme:

the utility model provides a decoupling type suspension structure, includes the support frame of fixing on the chassis, the left and right sides of support frame all is equipped with the steering axle, the top of steering axle is equipped with the suspension and goes up the swing arm, and the one end of suspension goes up the swing arm and is connected with the steering axle through the ball pivot, and the other end is articulated with the support frame, the bottom of steering axle is equipped with the suspension and goes down the swing arm, and the one end of swing arm is connected with the steering axle through the ball pivot under the suspension, and the other end is articulated with the support frame, the left and right sides of the front end of support frame all is equipped with L arm, and the middle part of L arm articulates with the support frame, the one end of L arm is equipped with the horizontal pull rod of suspension, and the other end is equipped with the vertical pull rod of suspension, the one end of the vertical pull rod of suspension is connected with the L arm through the ball pivot, the other end is connected with the swing arm under the suspension through the ball pivot, the rear end articulates there is rotary damper, be equipped with the T arm in the pivot of rotary damper, the front side of T arm is equipped with the bumper, the one end of bumper is connected with the support frame through the ball pivot, the other end is connected with the T arm.

Preferably, damping oil and blades fixed on the rotating shaft are arranged in the cavity of the rotary damper.

Preferably, the left and right sides of the rotating shaft of the rotary damper are respectively provided with a rotary damper elastic piece, a rotary damper load shaft is arranged between the two rotary damper elastic pieces, the two rotary damper elastic pieces are in pressure connection with the rotary damper load shaft, the rotary damper load shaft is connected with a T arm, the T arm drives the rotary damper load shaft to push the rotary damper elastic pieces when being stressed, the rotary damper elastic pieces push the rotary damper load shaft to return when not being stressed, and one end of the rotary damper elastic pieces, which is close to the rotary damper load shaft, is fixed on the shell of the rotary damper through a connecting piece.

Preferably, the rotary damper is provided with a plurality of elastic sheet branch points which are matched with the connecting piece.

Preferably, the position of the rotary damper load shaft on the T-arm is adjustable.

Preferably, the T-arm is provided with a waist-shaped hole which is matched with the load shaft of the rotary damper, and the load shaft of the rotary damper is provided with a fastener for locking the position of the load shaft of the rotary damper.

Preferably, the length of the suspension transverse pull rod is adjustable.

Preferably, the length of the suspension longitudinal tie is adjustable.

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

compared with the traditional decoupling suspension structure, the utility model occupies smaller volume and has lower gravity center under the same damper capacity, and the dynamic control performance of the vehicle body is not affected; meanwhile, compared with the prior art, the utility model can obtain more convenient adjustment and selection of suspension parameters; in addition, the utility model can be applied to remote control models, and fills the blank that the decoupling suspension is used in the category of remote control models.

Drawings

FIG. 1 is one of the structural schematic diagrams of the present utility model;

FIG. 2 is a second schematic diagram of the structure of the present utility model;

FIG. 3 is a third schematic diagram of the structure of the present utility model;

FIG. 4 is one of the schematic structural views of the rotary damper;

FIG. 5 is a second schematic diagram of a rotary damper.

The reference numbers in the drawings:

1. a chassis; 2. a support frame; 3. a steering axle; 4. a suspension upper swing arm; 5. a suspension lower swing arm; 6. an L arm; 61. the L-arm rotation axis; 7. a suspension transverse pull rod; 8. a suspension longitudinal tie; 9. a rotary damper; 91. the rotation resistance Y-direction rotation axis; 92. the damper rotates along the Z direction; 10. a T arm; 11. a damper; 12. a rotary damper elastic sheet; 13. rotating the damper load shaft; 14. a connecting piece; 15. the spring plate is at a point; 16. a fastener.

Detailed Description

The utility model will be further illustrated with reference to specific examples. It is to be understood that these examples are illustrative of the present utility model and are not intended to limit the scope of the present utility model. Further, it will be understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the utility model, and equivalents thereof fall within the scope of the utility model as defined by the claims.

Examples: as shown in fig. 1-5, the utility model discloses a decoupling suspension structure, which comprises a chassis 1, wherein a support frame 2 is arranged at the top of the chassis 1, and the support frame 2 can be fixed on the chassis 1 through screws.

The left and right sides of support frame 2 all is equipped with steering axle 3, the top of steering axle 3 is equipped with swing arm 4 on the suspension, and the one end of swing arm 4 is connected with steering axle 3 through the ball pivot, and the other end is articulated with support frame 2 through horizontal articulated shaft, the bottom of steering axle 3 is equipped with swing arm 5 under the suspension, and the one end of swing arm 5 is connected with steering axle 3 through the ball pivot under the suspension, and the other end is articulated with support frame 2 through horizontal articulated shaft.

The left and right sides of the front end of support frame 2 all is equipped with L arm 6, and the middle part of L arm 6 is articulated with support frame 2, the one end of L arm 6 is equipped with the horizontal pull rod 7 of suspension, and the other end is equipped with the vertical pull rod 8 of suspension, the one end of the vertical pull rod 8 of suspension is connected with L arm 6 through the ball pivot, and the other end is connected with swing arm 5 under the suspension through the ball pivot.

The rear end of the support frame 2 is hinged with a rotary damper 9, a T-shaped arm 10 is arranged on a rotating shaft of the rotary damper 9, a shock absorber 11 is arranged on the front side of the T-shaped arm 10, one end of the shock absorber 11 is connected with the support frame 2 through a spherical hinge, the other end of the shock absorber 11 is connected with the T-shaped arm 10 through a spherical hinge, one end of a suspension transverse pull rod 7 is connected with the T-shaped arm 10 through a spherical hinge, and the other end of the suspension transverse pull rod is connected with the L-shaped arm 6 through a spherical hinge.

Preferably, damping oil is disposed in the cavity of the rotary damper 9, and the blades are fixed on the rotating shaft.

Preferably, rotary damper elastic pieces 12 are arranged on the left side and the right side of a rotating shaft of the rotary damper 9, a rotary damper load shaft 13 is arranged between the two rotary damper elastic pieces 12, the two rotary damper elastic pieces 12 are in pressure connection with the rotary damper load shaft 13, the rotary damper load shaft 13 is connected with a T arm 10, and when the T arm 10 is stressed, the T arm 10 drives the rotary damper load shaft 13 to push the rotary damper elastic pieces 12; when the T-arm 10 is not stressed, the rotary damper elastic piece 12 pushes the rotary damper load shaft 13 to return to the center. One end of the rotary damper elastic sheet 12, which is close to the rotary damper load shaft 13, is fixed on the shell of the rotary damper 9 through a connecting piece 14.

Preferably, the rotary damper 9 is provided with a plurality of spring plate supporting points 15 adapted to the connecting piece 14.

Preferably, the position of the rotary damper load shaft 13 on the T-arm 10 is adjustable.

Preferably, the T-arm 10 is provided with a waist-shaped hole corresponding to the rotary damper load shaft 13, and the rotary damper load shaft 13 is provided with a fastener 16 for locking the position of the rotary damper load shaft 13.

Preferably, the length of the suspension cross rod 7 is adjustable.

Preferably, the length of the suspension longitudinal tie 8 is adjustable.

When the vehicle encounters jolting, the suspension lower swing arms 5 and the suspension upper swing arms 4 at two sides are lifted upwards at the same time, the suspension longitudinal pull rod 8 is pushed to drive the L arm 6 to rotate by the L arm rotation axle center 61, the L arm 6 drives the suspension transverse pull rod 7 to simultaneously pull the rotary damper T arm 10, and the rear rotary damper 9 rotates by the damper Y-direction rotation axle center 91, so that the damper 11 is compressed, and the longitudinal vibration damping action effect of the vehicle body is achieved;

when the vehicle rolls left and right, the left and right suspension lower swing arms 5 and the suspension upper swing arms 4 respectively move upwards and downwards, the suspension longitudinal pull rod 8 is pulled by one side to push one side to drive the L arm 6 to rotate with the L arm rotation axis 61, the L arm 6 drives the suspension transverse pull rod 7, the rotary damper T arm 10 rotates with the damper Z-direction rotation axis 92, the rotary damper 9 is actuated, and the lateral rolling vibration reduction effect of the vehicle body is achieved;

when the vehicle generates compound motion, the two damping systems will operate simultaneously.

The rotating shaft of the rotary damper 9 is hard connected with the T arm and the blades, the blades rotate in the cavity of the rotary damper 9 in the Z direction of the damper, damping oil is filled in the cavity of the rotary damper 9, the blades generate damping effect in the running process, the T arm of the rotary damper is linked with the blades and the rotary damper load shaft 13, the rotary damper load shaft 13 follows and pushes the rotary damper elastic sheet 12, and the rotary damper elastic sheet 12 provides centering and buffering elastic support for the T arm of the rotary damper and the blades;

the actual actuation length of the rotary damper elastic sheet 12 can be adjusted by adjusting the front and rear positions of the rotary damper load shaft 13 in the waist-shaped hole on the rotary damper T arm, and also can be adjusted by adjusting the elastic sheet supporting point 15 (hole site) of the connecting piece 14 (fulcrum screw) on the rotary damper elastic sheet 12, both effects are equivalent to changing the bus length or the number of turns of the spring of the traditional spiral spring (under the premise of a certain total length of the spiral spring), and also can be changed by changing the number of sheets or the thickness of a single sheet of the rotary damper elastic sheet 12, which is equivalent to changing the wire diameter of the traditional spring, but the manufacturing cost of the elastic sheet is lower than that of the spiral spring, the whole damper is smaller in volume and higher in adjustability.

When the suspension is required to cope with the grabbing force of the side-shifting load, compared with the traditional suspension structure, the purpose can be achieved by only adjusting the corresponding position and the component parameters on one rotary damper, the adjusting speed is higher, the symmetry is higher, and the structural servicing time and the cost are less.

The suspension structure that the present structure can be compared with traditional area stabilizer bar cancels the stabilizer bar completely, and the whole vehicle left and right rolling dynamic of being allocated by rotatory attenuator just can adjust the intervention volume of similar traditional stabilizer bar through the rotatory attenuator shell fragment stiffness coefficient of change, and is simple high-efficient.

For the smaller structural requirement of space, the rotary damper cavity and the blade part can be replaced by a mode of passing through the optical axis and filling solid damping grease in the gap to obtain a similar damping effect, and meanwhile, the elastic element of the rotary damper can be adjusted and replaced by a side spring to reduce the length of the damper, so that the purpose of further reducing the volume is achieved.

The present utility model is directed to a more convenient rotation in suspension adjustment parameters, such as: 1. by adjusting the heights of the three ball heads on the T arm 10 of the rotary damper, different length ratios of the arm of force rotating in the Y direction of the rotary damper 9 can be obtained, so as to obtain different compression ratios of the suspension and the shock absorber 11; 2. the suspension height of the vehicle body is quickly adjusted by changing the position of the ball head at the tail end of the shock absorber, and the suspension height is high-efficiency and consistent.

Claims

1. The utility model provides a decoupling type suspension structure, includes support frame (2) of fixing on chassis (1), the left and right sides of support frame (2) all is equipped with steering axle (3), its characterized in that: the top of the steering axle (3) is provided with a suspension upper swing arm (4), one end of the suspension upper swing arm (4) is connected with the steering axle (3) through a spherical hinge, the other end of the suspension upper swing arm is hinged with a support frame (2), the bottom of the steering axle (3) is provided with a suspension lower swing arm (5), one end of the suspension lower swing arm (5) is connected with the steering axle (3) through a spherical hinge, the other end of the suspension lower swing arm is hinged with the support frame (2), the left side and the right side of the front end of the support frame (2) are respectively provided with an L-shaped arm (6), the middle part of the L-shaped arm (6) is hinged with the support frame (2), one end of the L-shaped arm (6) is provided with a suspension transverse pull rod (7), the other end of the suspension longitudinal pull rod (8) is connected with the L-shaped arm (6) through a spherical hinge, the other end of the suspension longitudinal pull rod (8) is connected with the suspension lower swing arm (5) through a spherical hinge, the rear end of the support frame (2) is hinged with a rotary damper (9), the rotary shaft of the rotary damper (9) is provided with a T-shaped arm (10), the front side of the T-shaped arm (10) is provided with a shock absorber (11), one end of the T-shaped shock absorber (11) is connected with one end of the suspension arm (7) through the spherical hinge (7), the other end is connected with the L-arm (6) through a spherical hinge.

2. A decoupled suspension arrangement according to claim 1, wherein: damping oil and blades fixed on the rotating shaft are arranged in the cavity of the rotary damper (9).

3. A decoupled suspension arrangement according to claim 1, wherein: the rotary damper is characterized in that rotary damper spring plates (12) are arranged on the left side and the right side of a rotating shaft of the rotary damper (9), a rotary damper load shaft (13) is arranged between the rotary damper spring plates (12), the rotary damper spring plates (12) are in pressure connection with the rotary damper load shaft (13), the rotary damper load shaft (13) is connected with a T-arm (10), the T-arm (10) drives the rotary damper load shaft (13) to push the rotary damper spring plates (12) when being stressed, the rotary damper spring plates (12) push the rotary damper load shaft (13) to return when the T-arm (10) is not stressed, and one end, close to the rotary damper spring plates (12), of the rotary damper load shaft (13) is fixed on a shell of the rotary damper (9) through a connecting piece (14).

4. A decoupled suspension arrangement according to claim 3, wherein: the rotary damper (9) is provided with a plurality of elastic sheet branch points (15) which are matched with the connecting piece (14).

5. A decoupled suspension arrangement according to claim 3 or 4, wherein: the position of the rotary damper load shaft (13) on the T-arm (10) is adjustable.

6. The decoupled suspension arrangement of claim 5, wherein: the T-arm (10) is provided with a waist-shaped hole which is matched with the rotary damper load shaft (13), and the rotary damper load shaft (13) is provided with a fastener (16) for locking the position of the rotary damper load shaft (13).

7. A decoupled suspension arrangement according to claim 1, wherein: the length of the suspension transverse pull rod (7) is adjustable.

8. A decoupled suspension arrangement according to claim 1, wherein: the length of the suspension longitudinal pull rod (8) is adjustable.