CN114905912A - Reinforcing structure for rear torsion beam suspension - Google Patents
Reinforcing structure for rear torsion beam suspension Download PDFInfo
- Publication number
- CN114905912A CN114905912A CN202210610668.2A CN202210610668A CN114905912A CN 114905912 A CN114905912 A CN 114905912A CN 202210610668 A CN202210610668 A CN 202210610668A CN 114905912 A CN114905912 A CN 114905912A
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- fixedly connected
- reinforcing
- bending plate
- side wall
- connecting portion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
- B60G21/02—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected
- B60G21/04—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically
- B60G21/05—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces permanently interconnected mechanically between wheels on the same axle but on different sides of the vehicle, i.e. the left and right wheel suspensions being interconnected
- B60G21/051—Trailing arm twist beam axles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2200/00—Indexing codes relating to suspension types
- B60G2200/20—Semi-rigid axle suspensions
- B60G2200/21—Trailing arms connected by a torsional beam, i.e. twist-beam axles
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention belongs to the field of rear torsion beam suspensions of automobiles, and particularly relates to a reinforcing structure for a rear torsion beam suspension. The spring seat comprises a cross beam, a left longitudinal arm, a right longitudinal arm, a first spring seat and a second spring seat, wherein the first spring seat is provided with a first connecting part, the second spring seat is provided with a third connecting part, the spring seat further comprises a first reinforcing part and a second reinforcing part, the top of the first reinforcing part is fixedly connected to the bottom of the first spring seat, the first reinforcing part is provided with a first reinforcing part and a second reinforcing part, the first reinforcing part is fixedly connected with the side wall of the left longitudinal arm, the top of the second reinforcing part is fixedly connected to the bottom of the second spring seat, the second reinforcing part is provided with a third reinforcing part and a fourth reinforcing part, the third reinforcing part is fixedly connected with the side wall of the right longitudinal arm, and the fourth reinforcing part is fixedly connected with the side wall of the cross beam. This structure can strengthen the intensity of crossbeam and left and right trailing arm at the junction, has guaranteed the holistic job stabilization nature of back twist beam suspension.
Description
Technical Field
The invention belongs to the field of rear torsion beam suspensions of automobiles, and particularly relates to a reinforcing structure for a rear torsion beam suspension.
Background
The torsion beam type semi-independent suspension is a commonly used automobile rear suspension structure at present, longitudinal arms on the left side and the right side are welded together through a torsion beam with a V-shaped or U-shaped section, the front ends of the longitudinal arms are in hinged connection with an automobile body through rubber or metal supports, and the rear ends of the longitudinal arms are connected with a hub, a shock absorber and a spring; the trailing arm of the torsion beam can swing up and down about the hard attachment point to absorb shock through the shock absorber and the shock absorbing spring. When the suspensions on two sides are not deformed uniformly, the torsion beam is deformed in a torsion mode, and the torsion beam has larger elasticity and can play a role of a transverse stabilizer bar, so that the torsion beam is a key component of the torsion beam type semi-independent suspension and plays a role in transferring force, bearing force and balancing longitudinal arms on two sides. In current back twist beam suspension, the junction intensity of crossbeam and left and right trailing arm is lower to can influence the holistic job stabilization nature of back twist beam suspension greatly.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the utility model provides a reinforcing structure for back twist beam suspension, this structure can strengthen the intensity of crossbeam and left and right trailing arm at the junction, has guaranteed the holistic job stabilization nature of back twist beam suspension.
In order to solve the technical problems, the invention adopts the following technical scheme: a reinforcing structure for a rear torsion beam suspension comprises a cross beam, a left trailing arm, a right trailing arm, a first spring seat and a second spring seat, the cross beam is horizontally arranged, one end of the cross beam is fixedly connected with the side wall of the left longitudinal arm, the other end of the cross beam is fixedly connected with the side wall of the right longitudinal arm, the first spring seat is provided with a first connecting part which is fixedly connected with the side wall of the left trailing arm, the second spring seat is provided with a third connecting part which is fixedly connected with the side wall of the right trailing arm, it is characterized by also comprising a first reinforcing piece and a second reinforcing piece, wherein the top of the first reinforcing piece is fixedly connected with the bottom of the first spring seat, the first reinforcing piece is provided with a first reinforcing part and a second reinforcing part, the first reinforcing part is fixedly connected with the side wall of the left trailing arm, and the second reinforcing part is fixedly connected with the side wall of the cross beam;
the top of the second reinforcing part is fixedly connected to the bottom of the second spring seat, the second reinforcing part is provided with a third reinforcing part and a fourth reinforcing part, the third reinforcing part is fixedly connected with the side wall of the right longitudinal arm, and the fourth reinforcing part is fixedly connected with the side wall of the cross beam.
Furthermore, the first spring seat is provided with a second connecting part, the second connecting part comprises a first bending plate and a second bending plate, the first bending plate and the second bending plate are fixedly connected, the first bending plate is fixedly connected with the side wall of the left longitudinal arm, and the second bending plate is fixedly connected with the top of the cross beam;
the second spring seat is provided with a fourth connecting portion, the fourth connecting portion comprise a third bending plate and a fourth bending plate, the third bending plate and the fourth bending plate are fixedly connected, the third bending plate is fixedly connected with the side wall of the right longitudinal arm, and the fourth bending plate is fixedly connected with the top of the cross beam.
Further, first bending board and second bending board integrated into one piece, third bending board and fourth bending board integrated into one piece.
Further, the first reinforcing part and the second reinforcing part are provided with welding tool positioning holes which are used for being matched with positioning pins of a welding tool.
Further, first reinforcement and second reinforcement all are provided with the portion of wrapping in the concave, welding frock locating hole sets up in the portion of wrapping in the concave.
The left longitudinal arm is fixedly connected with the left vertical arm through a first connecting part, and the left vertical arm is fixedly connected with the left longitudinal arm through a second connecting part;
the connecting structure further comprises a sixth connecting portion, the sixth connecting portion is a second vertical plate, the bottom of the second vertical plate is fixedly connected with the top of the second spring seat, and the side wall of the second vertical plate is fixedly connected with the side wall of the right longitudinal arm.
Compared with the single connection relation of the existing spring seat and the longitudinal arm, the multi-stage torsion beam connecting structure has the advantages that the first reinforcing piece is introduced into the left longitudinal arm, the second reinforcing piece is introduced into the right longitudinal arm, the first reinforcing piece and the second reinforcing piece are respectively provided with the corresponding connecting portion, the multi-stage connecting portions are introduced, on one hand, the connection stability among structures is guaranteed, on the other hand, the connecting portions can enable the stress of the rear torsion beam to be more uniformly dispersed, and the adverse effect on the overall structure of the rear torsion beam due to overlarge local force is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a fourth connecting portion according to the present invention;
FIG. 3 is a schematic top view of the present invention after being turned 180 degrees based on the structure of FIG. 1;
FIG. 4 is a schematic view of the overall assembly of the present invention to a rear twist beam;
description of reference numerals:
1. a cross beam; 2. a left trailing arm; 3. a right trailing arm; 41. a first spring seat; 411. a first connection portion; 412. a second connecting portion; 413. a fifth connecting part; 42. a second spring seat; 421. a third connecting portion; 422. a fourth connecting portion; 423. a sixth connecting portion; 51. a first reinforcement; 511. a first reinforcing portion; 512. a second reinforcement portion; 52. a second reinforcement; 521. a third reinforcing portion; 522. a fourth reinforcing portion; 6. and welding the positioning hole of the tool.
Detailed Description
The invention is further explained below with reference to the drawings and examples. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.
As shown in fig. 1 to 3, the reinforcing structure for a rear torsion beam suspension includes a cross beam 1, a left trailing arm 2, a right trailing arm 3, a first spring seat 41 and a second spring seat 42, wherein the cross beam 1 is horizontally disposed, one end of the cross beam 1 is fixedly connected to a side wall of the left trailing arm 2, the other end of the cross beam 1 is fixedly connected to a side wall of the right trailing arm 3, the first spring seat 41 is provided with a first connecting portion 411, the first connecting portion 411 is fixedly connected to a side wall of the left trailing arm 2, the second spring seat 42 is provided with a third connecting portion 421, the third connecting portion 421 is fixedly connected to a side wall of the right trailing arm 3, the reinforcing structure further includes a first reinforcing member 51 and a second reinforcing member 52, a top of the first reinforcing member 51 is fixedly connected to a bottom of the first spring seat 41, the first reinforcing member 51 is provided with a first reinforcing portion 511 and a second reinforcing portion 512, the first reinforcing portion 511 is fixedly connected to a side wall of the left trailing arm 2, the second reinforcing part 512 is fixedly connected with the side wall of the cross beam 1;
the top of the second reinforcing member 52 is fixedly connected to the bottom of the second spring seat 42, the second reinforcing member 52 is provided with a third reinforcing part 521 and a fourth reinforcing part 522, the third reinforcing part 521 is fixedly connected with the side wall of the right trailing arm 3, and the fourth reinforcing part 522 is fixedly connected with the side wall of the cross beam 1.
Compared with the single connection relation between the conventional spring seat and the longitudinal arm, the multi-stage connection part is introduced, on one hand, the connection stability between the structures is guaranteed, on the other hand, the connection part can enable the stress of the rear torsion beam to be more uniformly dispersed, and the adverse effect on the whole structure of the rear torsion beam caused by overlarge local force is avoided.
In order to make the rear torsion beam uniformly stressed, the first reinforcing member 51 and the second reinforcing member 52 may be symmetrically arranged left and right with respect to the central symmetry plane of the cross beam 1.
In order to further enhance the connection strength between the spring seat and the cross beam 1, the first spring seat 41 is provided with a second connecting portion 412, the second connecting portion 412 comprises a first bending plate and a second bending plate, the first bending plate and the second bending plate are fixedly connected, the first bending plate is fixedly connected with the side wall of the left longitudinal arm 2, and the second bending plate is fixedly connected with the top of the cross beam 1;
For the connection form of first bending board and second bending board definitely, first bending board and second bending board integrated into one piece, integrated into one piece also can be adopted to third bending board and fourth bending board.
In addition, the first bending plate and the second bending plate can also be connected by welding.
In order to facilitate the connection and positioning of the welding fixture, the first reinforcing part 51 and the second reinforcing part 52 are both provided with welding fixture positioning holes 6, and the welding fixture positioning holes 6 are used for being matched with positioning pins of the welding fixture. In this structure, the accuracy of the welding point position is guaranteed.
In order to avoid the stress of the first reinforcing member 51 and the second reinforcing member 52 at the welding tool positioning hole 6 from being too concentrated, so as to generate a cracking phenomenon, the first reinforcing member 51 and the second reinforcing member 52 are both provided with concave bag portions, and the welding tool positioning hole 6 is arranged at the concave bag portions. The size of the concave bag part can be adapted according to the distribution condition of the stress and the size of the positioning pin.
In order to further enhance the connection strength between the trailing arm and the spring seat, a fifth connecting part 413 and a sixth connecting part are introduced, wherein the fifth connecting part 413 is a first vertical plate, the bottom of the first vertical plate is fixedly connected with the top of the first spring seat 41, and the side wall of the first vertical plate is fixedly connected with the side wall of the left trailing arm 2; the sixth connecting portion 423 is a second vertical plate, the bottom of the second vertical plate is fixedly connected with the top of the second spring seat 42, and the side wall of the second vertical plate is fixedly connected with the side wall of the right trailing arm 3.
Claims (6)
1. A additional strengthening for back torsion beam suspension, including crossbeam (1), left trailing arm (2), right trailing arm (3), first spring holder (41) and second spring holder (42), crossbeam (1) level sets up, the lateral wall fixed connection of one end and left trailing arm (2) of crossbeam (1), the other end and the lateral wall fixed connection of right trailing arm (3) of crossbeam (1), first spring holder (41) is provided with first connecting portion (411), first connecting portion (411) fixed connection is in the lateral wall department of left trailing arm (2), second spring holder (42) are provided with third connecting portion (421), third connecting portion (421) fixed connection is in the lateral wall department of right trailing arm (3), its characterized in that still includes first reinforcement (51) and second reinforcement (52), the top fixed connection of first reinforcement (51) is in the bottom of first spring holder (41), the first reinforcing piece (51) is provided with a first reinforcing part (511) and a second reinforcing part (512), the first reinforcing part (511) is fixedly connected with the side wall of the left trailing arm (2), and the second reinforcing part (512) is fixedly connected with the side wall of the cross beam (1);
the top of the second reinforcing piece (52) is fixedly connected to the bottom of the second spring seat (42), the second reinforcing piece (52) is provided with a third reinforcing part (521) and a fourth reinforcing part (522), the third reinforcing part (521) is fixedly connected with the side wall of the right trailing arm (3), and the fourth reinforcing part (522) is fixedly connected with the side wall of the cross beam (1).
2. The reinforcing structure for a rear torsion beam suspension according to claim 1, wherein the first spring seat (41) is provided with a second connecting portion (412), the second connecting portion (412) includes a first bending plate and a second bending plate, the first bending plate and the second bending plate are fixedly connected, the first bending plate is fixedly connected with a side wall of the left trailing arm (2), and the second bending plate is fixedly connected with a top portion of the cross member (1);
second spring holder (42) is provided with fourth connecting portion (422), fourth connecting portion (422) include third bending plate and fourth bending plate, third bending plate and fourth bending plate fixed connection, the lateral wall fixed connection of third bending plate and right trailing arm (3), the top fixed connection of fourth bending plate and crossbeam (1).
3. The reinforcing structure for a rear torsion beam suspension according to claim 2, wherein the first bending plate and the second bending plate are integrally formed, and the third bending plate and the fourth bending plate are integrally formed.
4. A reinforcing arrangement for a rear torsion beam suspension according to claim 1, wherein the first (51) and second (52) reinforcements are each provided with a welding tooling location hole (6), the welding tooling location hole (6) being adapted to cooperate with a location pin of a welding tooling.
5. The reinforcing structure for a rear torsion beam suspension according to claim 4, wherein the first reinforcing member (51) and the second reinforcing member (52) are each provided with a recessed portion, and the welding jig positioning hole (6) is provided in the recessed portion.
6. The reinforcing structure for a rear torsion beam suspension according to any one of claims 1 to 5, comprising a fifth connecting portion (413), wherein the fifth connecting portion (413) is a first riser, a bottom of the first riser is fixedly connected with a top of the first spring seat (41), and a side wall of the first riser is fixedly connected with a side wall of the left trailing arm (2);
the spring seat further comprises a sixth connecting portion (423), the sixth connecting portion (423) is a second vertical plate, the bottom of the second vertical plate is fixedly connected with the top of the second spring seat (42), and the side wall of the second vertical plate is fixedly connected with the side wall of the right longitudinal arm (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210610668.2A CN114905912A (en) | 2022-05-31 | 2022-05-31 | Reinforcing structure for rear torsion beam suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210610668.2A CN114905912A (en) | 2022-05-31 | 2022-05-31 | Reinforcing structure for rear torsion beam suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114905912A true CN114905912A (en) | 2022-08-16 |
Family
ID=82771337
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210610668.2A Pending CN114905912A (en) | 2022-05-31 | 2022-05-31 | Reinforcing structure for rear torsion beam suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114905912A (en) |
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2022
- 2022-05-31 CN CN202210610668.2A patent/CN114905912A/en active Pending
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