CN215921805U

CN215921805U - Double-cross-arm independent suspension shock absorber arrangement structure

Info

Publication number: CN215921805U
Application number: CN202122288952.6U
Authority: CN
Inventors: 孙九龙; 马培栋; 孙建英; 刘洋; 韩明霞; 于楠; 徐超
Original assignee: Qingdao Zhongqi Special Automobile Co ltd
Current assignee: Qingdao Zhongqi Special Automobile Co ltd
Priority date: 2021-09-22
Filing date: 2021-09-22
Publication date: 2022-03-01
Anticipated expiration: 2031-09-22

Abstract

The utility model discloses a double-cross-arm independent suspension shock absorber arrangement structure, and relates to the field of shock absorbers, wherein a spiral spring is arranged between an upper spring seat and a spring base, and a shock absorber is arranged in the spiral spring; the shock absorber comprises an upper end lifting lug at the top and a lower end lifting lug at the bottom, and the upper end lifting lug and the lower end lifting lug are both provided with through holes; the upper end lifting lug is fixedly arranged between the two upper seat connecting plates, the lower end lifting lug is arranged between the two base connecting plates and is connected with the through holes of the lower end lifting lug by a half shaft which penetrates through the two base connecting parts, the two ends of the half shaft are fixedly arranged on the connecting mechanisms on the left side and the right side of the spring base, and at least one end of the half shaft is detachably connected; the spring base is provided with a first longitudinal through hole at a position right below the shock absorber. According to the utility model, the longitudinal through hole is formed between the spring base and the lower swing arm, so that the shock absorber is convenient to take out, replace, maintain and repair, and the maintainability is improved.

Description

Double-cross-arm independent suspension shock absorber arrangement structure

Technical Field

The utility model relates to the technical field of shock absorbers, in particular to a double-cross-arm independent suspension shock absorber arrangement structure.

Background

The suspension system is one of important components of an automobile and is used for connecting wheels and an automobile body and improving the smoothness and stability of the automobile. The double-cross arm independent suspension generally adopts a spiral spring as an elastic element, a shock absorber as a damping element, an upper cross arm and a lower cross arm as a guide mechanism, the spring is connected with the upper end of the shock absorber and a fixed bracket, and the lower end of the spring is connected with the lower cross arm. The double-cross arm independent suspension shock absorber has two arrangement modes: one is that the shock absorber is disposed separately from the coil spring, and the other is that the shock absorber is placed in the coil spring.

When the shock absorbers and the springs of the double-cross-arm independent suspension are arranged separately, the mounting space required by the independent suspension is large, so that the size required by the upper cross arm and the lower cross arm is increased, the weight of the suspension is further increased, and the design of light weight of a vehicle is not facilitated; the lower cross arm and the fixed support are required to be respectively provided with the fixed positions of the shock absorber and the spring, so that the structures of the lower cross arm and the fixed support are complicated; because the shock absorber exposes outside for the shock absorber receives to collide with and damages easily in the driving process.

When the shock absorber of the double-wishbone independent suspension is placed in the spring, the mounting space can be saved, the spring can also form a protection for the shock absorber on the outer side, but the problem that the shock absorber is not easy to detach exists.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model aims to provide a double-cross-arm independent suspension shock absorber arrangement structure which is stable in connection and convenient for replacing a shock absorber, and the technical purpose is realized by the following technical scheme:

a double-cross-arm independent suspension shock absorber arrangement structure comprises an upper spring seat, a spiral spring and a spring base, wherein the top of the spiral spring is abutted against the bottom of the upper spring seat, the bottom of the spiral spring is abutted against the top of the spring base, and the double-cross-arm independent suspension shock absorber arrangement structure further comprises a shock absorber arranged in the spiral spring;

the shock absorber comprises an upper end lifting lug at the top and a lower end lifting lug at the bottom, and the upper end lifting lug and the lower end lifting lug are both provided with through holes along the left-right direction;

the spring upper seat comprises two parallel upper seat connecting plates, through holes are formed in the two upper seat connecting plates along the left and right directions, and the upper end lifting lug is fixed between the two upper seat connecting plates through bolts;

the spring base comprises two parallel base connecting plates, through holes are formed in the two base connecting plates along the left and right directions, the lower end lifting lug is arranged between the two base connecting plates and is connected with the through holes of the lower end lifting lug through a half shaft, two ends of the half shaft are fixedly arranged on the connecting mechanisms on the left and right sides of the spring base, and at least one end of the half shaft is detachably connected;

the spring base is provided with a first longitudinal through hole at a position right below the shock absorber.

Further: the connecting mechanism is two lower swing arm connecting plates which are fixedly arranged on the lower swing arm and are arranged in parallel, and a second longitudinal through hole is formed in the position, located right below the first longitudinal through hole, of the lower swing arm.

Further: the semi-axis is including controlling first spring holder semi-axis and the second spring holder semi-axis that sets up, and first spring holder semi-axis one side is equipped with convex embedding axle, and embedded groove has been seted up to second spring holder semi-axis one side, the embedding axle passes the embedding of lower extreme lug in the embedded groove.

Further: the top of the spring base is fixedly provided with a convex limiting pipe, and the limiting pipe is positioned between the spiral spring and the shock absorber.

Further: the first spring seat half shaft and the second spring seat half shaft are provided with two positioning grooves, and a bolt can penetrate through the lower swing arm connecting plate and abut against the positioning grooves so that the first spring seat half shaft and the second spring seat half shaft are fixed with the lower swing arm connecting plate.

Further: when in the free state, the coil spring is in a compressed state.

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

1. set up the bumper shock absorber in coil spring, this structure has played the guard action to the bumper shock absorber, avoids the bumper shock absorber to collide with and cause the condition emergence of damage because of the accident in the use.

2. The mounting space is saved, the independent suspension occupies small volume, the applicability is stronger, the structure of the lower swing arm is simplified, the required size of the lower cross arm is small, the mass of the independent suspension is reduced, and the lightweight design of the vehicle is facilitated.

3. Through setting up the vertical through-hole of first vertical through-hole and second, change the bumper shock absorber and only need take out the semi-axis, the bumper shock absorber can be followed the below through-hole and taken out.

4. Through the maximum stroke of restriction bumper shock absorber, can make the bumper shock absorber play down spacing effect, when suspension free state, coil spring still is in compression state, prevents that the spring from rocking.

5. The lower swing arm is connected with the shock absorber and the spring base through the half shaft, when the independent suspension works, the force applied to the spring and the shock absorber is transmitted to the lower swing arm connecting plate, the lower swing arm is evenly stressed, and the torque is prevented from being generated due to multipoint stress.

Drawings

FIG. 1 is a cross-sectional view of the present invention;

FIG. 2 is an installed perspective view of the present invention;

FIG. 3 is a schematic structural view of the lower swing arm;

FIG. 4 is a schematic view of the mounting structure of the half shaft;

fig. 5 is a schematic structural view of a spring base.

In the figure, 2, a spring upper seat; 21. an upper seat connecting plate; 5. a lower swing arm; 51. a lower swing arm connecting plate; 52. a second longitudinal through hole; 9. a coil spring; 10. a spring mount; 100. a base connection plate; 101. a first longitudinal through hole; 102. a limiting pipe; 11. a shock absorber; 111. a lifting lug at the upper end; 112. a lower end lifting lug; 12. a first spring seat half shaft; 121. an embedded shaft; 13. a second spring seat half shaft; 131. a groove is embedded; 14. and (6) positioning a groove.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1 and 5, the double-wishbone independent suspension shock absorber arrangement structure comprises an upper spring seat 2, a spiral spring 9 and a spring base 10, wherein the top of the spiral spring 9 abuts against the bottom of the upper spring seat 2, the bottom of the spiral spring 9 abuts against the top of the spring base 10, and a shock absorber 11 is arranged in the spiral spring 9.

The shock absorber 11 comprises an upper lifting lug 111 with the top connected with the upper lifting lug and a lower lifting lug 112 with the bottom connected with the lower lifting lug, and the upper lifting lug 111 and the lower lifting lug 112 are both provided with through holes along the left-right direction;

the spring upper seat 2 comprises two parallel upper seat connecting plates 21, through holes are formed in the two upper seat connecting plates 21 along the left-right direction, and the upper-end lifting lug 111 is fixed between the two upper seat connecting plates 21 through bolts;

the spring base 10 comprises two parallel base connecting plates 100, through holes are formed in the two base connecting plates 100 along the left and right directions, the lower end lifting lug 112 is arranged between the two base connecting plates 100 and is connected with the through holes of the two base connecting parts 100 and the lower end lifting lug 112 through a half shaft, two ends of the half shaft are fixedly arranged on the connecting mechanisms on the left and right sides of the spring base 10, and at least one end of the half shaft is detachably connected;

referring to fig. 2, 3 and 5, an upward protruding sleeve section is integrally arranged at the top of the spring base 10, a first longitudinal through hole 101 is formed in the sleeve section, the first longitudinal through hole 101 is located right below the shock absorber 11, and when the shock absorber needs to be replaced, the shock absorber 11 can be taken out from the lower side by taking down the half shaft.

In this embodiment, the connecting mechanism is two parallel lower swing arm connecting plates 51 fixedly disposed on the lower swing arm 5, the lower swing arm 5 is an a-shaped swing arm, and the lower swing arm 5 is disposed right below the first longitudinal through hole 101 and is provided with a second longitudinal through hole 52, so that the second longitudinal through hole 52 corresponds to the first longitudinal through hole 121, and the shock absorber 11 can be taken out smoothly from below.

As shown in fig. 1 and 4, the half shaft includes a first spring seat half shaft 12 and a second spring seat half shaft 13 which are arranged on the left and right sides, a protruding embedding shaft 121 is arranged on one side of the first spring seat half shaft 12, an embedding slot 131 is arranged on one side of the second spring seat half shaft 13, and the embedding shaft 121 penetrates through the lower end lifting lug 112 and is embedded into the embedding slot 131. At least one of the first spring seat half shaft 12 and the second spring seat half shaft 13 is detachably and fixedly connected with the lower swing arm connecting plate 51, for example, by screw fixation, fixed clamping and the like.

As shown in fig. 1, a protruding limiting tube 102 is fixedly arranged at the top of the spring base 10, the limiting tube 102 is located between the coil spring 9 and the damper 11, and the limiting tube 102 limits the coil spring 9 from moving laterally to protect the damper 11.

Referring to fig. 3 and 4, the first spring seat half shaft 12 and the second spring seat half shaft 13 are provided with two positioning grooves 14, and a screw can pass through the lower swing arm connecting plate 51 and abut against the positioning grooves 14 to fix the first spring seat half shaft 12 and the second spring seat half shaft 13 with the lower swing arm connecting plate 51, so that when the shock absorber 11 is disassembled, the shock absorber 11 can be pulled out downwards by writing down one of the spring seat half shafts, and in some embodiments, only the second spring seat half shaft 13 can be fixed.

It should be emphasized that the coil spring 9 is in a compressed state when in the free state, and the shock absorber 11 can play a role of a lower limit by limiting the maximum stroke of the shock absorber 11, and the coil spring 9 is still in a compressed state when in the suspension free state, so as to prevent the coil spring 9 from being pulled out.

The working principle of the utility model is as follows: when the tire is jumped, the lower swing arm 5 rotates around the fulcrum, the shock absorber 11 and the spiral spring 9 are compressed at the same time, when the lower swing arm 5 rotates around the fulcrum, the inclination angles of the shock absorber 11 and the spiral spring 9 can be changed at the same time, the spring base 10 rotates around the fulcrum, the upper plane is always perpendicular to the stress direction of the spring, and the shock absorber 11 cannot interfere with the spiral spring 9 and the spring base 10. When the suspension is in a free state, the maximum stroke of the shock absorber 11 is limited, so that the coil spring 9 is in a compressed state at the moment, and the suspension spring is ensured not to be separated.

When the shock absorber 11 needs to be replaced or maintained, the bolt at the upper end of the shock absorber 11 is taken down, after the set screw on the lower swing arm connecting plate 51 is dismounted, one of the spring seat half shafts connected with the lower end of the shock absorber 11 is pulled out, when the upper part of the shock absorber 11 is not provided with the upper part or the space is enough, the shock absorber 11 can be directly pulled out from the upper part, if the space is not enough taken out from the upper part of the shock absorber 11, the shock absorber 11 can penetrate through the lower swing arm 5 and be taken out from the lower part, the replacement is convenient, and a large amount of labor is saved.

The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a two xarm independent suspension bumper shock absorbers arrangement, includes spring seat of honour (2), coil spring (9) and spring base (10), the top butt of coil spring (9) in the bottom of spring seat of honour (2), the bottom butt set up in the top of spring base (10), its characterized in that: the shock absorber (11) is arranged in the spiral spring (9);

the shock absorber (11) comprises an upper end lifting lug (111) at the top and a lower end lifting lug (112) at the bottom, and the upper end lifting lug (111) and the lower end lifting lug (112) are both provided with through holes along the left-right direction;

the spring upper seat (2) comprises two parallel upper seat connecting plates (21), through holes are formed in the two upper seat connecting plates (21) along the left-right direction, and the upper end lifting lug (111) is fixed between the two upper seat connecting plates (21) through bolts;

the spring base (10) comprises two parallel base connecting plates (100), through holes are formed in the two base connecting plates (100) along the left-right direction, the lower end lifting lug (112) is arranged between the two base connecting plates (100) and connected with the through holes of the two base connecting plates (100) and the lower end lifting lug (112) through a half shaft, two ends of the half shaft are fixedly arranged on the connecting mechanisms on the left side and the right side of the spring base (10), and at least one end of the half shaft is detachably connected;

the spring base (10) is provided with a first longitudinal through hole (101) at a position right below the shock absorber (11).

2. A double wishbone independent suspension shock absorber arrangement according to claim 1, wherein: the connecting mechanism is two lower swing arm connecting plates (51) which are fixedly arranged on the lower swing arm (5) and are arranged in parallel, and a second longitudinal through hole (52) is formed in the position, right below the first longitudinal through hole (101), of the lower swing arm (5).

3. A double wishbone independent suspension shock absorber arrangement according to claim 2, wherein: the semi-axis is including controlling first spring holder semi-axis (12) and second spring holder semi-axis (13) that sets up, and first spring holder semi-axis (12) one side is equipped with convex embedding axle (121), and embedded groove (131) have been seted up to second spring holder semi-axis (13) one side, embedding axle (121) pass lower extreme lug (112) embedding in embedded groove (131).

4. A double wishbone independent suspension shock absorber arrangement according to claim 1, wherein: the top of the spring base (10) is fixedly provided with a protruding limiting pipe (102), and the limiting pipe (102) is located between the spiral spring (9) and the shock absorber (11).

5. A double wishbone independent suspension shock absorber arrangement according to claim 3, wherein: the first spring seat half shaft (12) and the second spring seat half shaft (13) are respectively provided with two positioning grooves (14), and a bolt can penetrate through the lower swing arm connecting plate (51) and abut against the positioning grooves (14) so that the first spring seat half shaft (12) and the second spring seat half shaft (13) are fixed with the lower swing arm connecting plate (51).

6. A double wishbone independent suspension shock absorber arrangement according to any one of claims 1 to 5, wherein: when in the free state, the coil spring (9) is in a compressed state.