CN217495773U - Torsion beam type suspension, reinforcing member and vehicle - Google Patents
Torsion beam type suspension, reinforcing member and vehicle Download PDFInfo
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- CN217495773U CN217495773U CN202221690906.7U CN202221690906U CN217495773U CN 217495773 U CN217495773 U CN 217495773U CN 202221690906 U CN202221690906 U CN 202221690906U CN 217495773 U CN217495773 U CN 217495773U
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- reinforcing member
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Abstract
The utility model provides a torsion beam type suspension, reinforcing member and vehicle, the utility model discloses a torsion beam type suspension includes the trailing arm that a pair of interval set up, connects the crossbeam between a pair of trailing arm, still includes reinforcing member and shaping in reinforcing member's bight, and reinforcing member has for the fixed longitudinal end that sets up of its one of them trailing arm to and for the fixed lateral end that sets up of crossbeam. The corner part is formed at the tail end of the transverse side end, the corner part and the longitudinal side end are respectively positioned at two sides of the transverse side end, and one side of the transverse side end, which is far away from the longitudinal side end, is the tail end of the transverse side end; the corner part is fixedly arranged on the cross beam and is obliquely arranged along the direction of the reciprocating tensile force born by the cross beam. The utility model discloses a torsion beam type suspension through the setting of stiffening member to can improve the intensity and the bearing capacity that torsion beam type hung, and then reduce the risk of the welding seam department fracture of crossbeam, trailing arm and spring tray.
Description
Technical Field
The utility model relates to a vehicle technical field, in particular to torsion beam type suspension, the utility model discloses still relate to and locate the stiffening member on the torsion beam type suspension to and the vehicle that has this torsion beam type suspension.
Background
Torsion beam type suspension is a typical semi-independent suspension, and its main function is to provide support, location and shock isolation for the rear wheel, and to withstand and transmit various forces and moments generated during the driving of the vehicle. In the running process of the vehicle, the load from the road surface is finally transmitted to the vehicle body assembly through the wheels, the longitudinal arms, the spiral springs and the shock absorbers, so whether the strength of the torsion beam meets the requirement or not is directly related to the driving safety.
The existing torsion-type suspension generally comprises a cross beam, a longitudinal arm, a spring tray and a shock absorber support, the torsion-type suspension is simple in structure, the whole torsion-beam type suspension is similar to an H-type suspension, the cross beam and the longitudinal arm are in full-welded connection, and the spring tray is connected with the cross beam and the longitudinal arm through three welding seams.
When the vehicle body inclines, the torsion-type suspension is subjected to torque force, the cross beam has certain torsional rigidity, the torsion-type suspension can play the same role as the transverse stabilizer bar, and the roll stability of the vehicle is improved. However, at the intersection of the cross beam, the longitudinal arm and the spring tray, the torsion beam is subjected to torque and spring force integrally, so that the torsion beam continuously bears alternating load of tension and pressure, accumulated damage at the position is relatively large, and a welding seam and a metal plate are prone to fatigue cracking. Because this position is comparatively hidden, when less fracture appears, the user is difficult for the discovery, can not in time maintain, change, has great potential safety hazard.
At present, the existing reinforcing member is generally triangular, two sides of the existing reinforcing member are respectively welded on the cross beam and the longitudinal arm, and the direction of the two sides of the existing reinforcing member is the same as the direction of a welding seam between the cross beam and the longitudinal arm, so that the stress form cannot be changed, and the effect of reducing the pulling pressure of the member is poor.
SUMMERY OF THE UTILITY MODEL
In view of this, the present invention is directed to a torsion beam type suspension, so as to improve the strength and the bearing capacity of the torsion beam type suspension.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
a torsion beam suspension including a pair of spaced trailing arms, a cross beam connected between the pair of trailing arms, the torsion beam suspension further comprising:
a reinforcing member having a longitudinal side end fixedly provided on one of the trailing arms and a lateral side end fixedly provided on the cross member; the corner part is formed at the tail end of the transverse side end, the corner part and the longitudinal side end are respectively positioned at two sides of the transverse side end, and one side of the transverse side end, which is far away from the longitudinal side end, is the tail end of the transverse side end; the corner part is fixedly arranged on the cross beam, and the corner part is obliquely arranged along the direction of the reciprocating tensile force which tends to be born by the cross beam.
Further, the corner is an extension of a tail end of the lateral end in a direction away from the reinforcing member.
Further, the corner portion has a cross-sectional area that gradually decreases in a direction away from the reinforcing member.
Furthermore, an electrophoresis process hole is formed on the position, close to the corner, of the reinforcing member.
Furthermore, the transverse side ends are arranged along the length direction of the cross beam, and the included angle between the corner part and the transverse side ends is 150-170 degrees.
Furthermore, a spring tray is connected between the longitudinal arm and the transverse beam, and the reinforcing member is provided with a middle side end fixedly arranged on the spring tray.
Furthermore, a flanging which is bent along the direction departing from the spring tray is formed on the middle side end.
Further, the longitudinal side end is coated on the outer surface of the longitudinal arm.
Compared with the prior art, the utility model discloses following advantage has:
torsion beam type suspension, set up on torsion beam type suspension through the stiffening member to can improve the intensity and the bearing capacity that torsion beam type hung, and then reduce the risk of the welding seam department fracture of crossbeam, trailing arm and spring tray, simultaneously through the setting in bight, and it is the same with the crossbeam direction that receives the pulling pressure direction to set up the direction, in order to can change the direction of force of this department welding seam, thereby improve the life-span of welding seam between stiffening member and the torsion beam type suspension, still can improve stiffening member's durability.
In addition, the corner part is arranged by extending the transverse side end, so that the structure is simple, the processing and the manufacturing are convenient, the rigidity of the corner part can be ensured, meanwhile, the cross-sectional area of the corner part is gradually reduced along the direction away from the reinforcing member so as to improve the self rigidity of the corner part, and the transverse side end is arranged along the length direction of the transverse beam so as to improve the stress condition of the transverse beam and further prolong the service life of a welding seam.
In addition, the electrophoresis process holes are formed in the reinforcing member, so that electrophoresis treatment can be performed on the whole body of the longitudinal arm and the transverse beam, the corrosion resistance of the transverse beam and the longitudinal arm is improved, meanwhile, the strength of the reinforcing member can be improved and cracking is prevented through the flanging of the reinforcing member, the rigidity of the reinforcing member is improved through the integral forming of the reinforcing member, and the durability is improved.
Another object of the present invention is to provide a reinforcement member, which is disposed on the trailing arm having a pair of spaced arrangement and connected on the torsion beam type suspension of the beam between the trailing arms, the reinforcement member has one of the longitudinal end fixedly disposed on the trailing arm and the lateral end fixedly disposed on the beam.
The corner part is formed at the tail end of the transverse side end, the corner part and the longitudinal side end are respectively positioned at two sides of the transverse side end, and one side of the transverse side end, which is far away from the longitudinal side end, is the tail end of the transverse side end; the corner part is fixedly arranged on the cross beam, and the corner part is obliquely arranged along the direction of the reciprocating tensile force borne by the cross beam.
Furthermore, the utility model discloses still provide a vehicle, be equipped with in the vehicle as above torsion beam type suspension.
Vehicle and above-mentioned stiffening member and above-mentioned torsion beam type suspension, it is the same for the beneficial effect that prior art has, no longer give unnecessary details here.
Drawings
The accompanying drawings, which form a part of the present disclosure, are provided to provide a further understanding of the present disclosure, and the exemplary embodiments and descriptions thereof are provided to explain the present disclosure, wherein the related terms in the front, back, up, down, and the like are only used to represent relative positional relationships, and do not constitute an undue limitation of the present disclosure. In the drawings:
fig. 1 is a schematic overall structure diagram of a torsion beam type suspension according to a first embodiment of the present invention;
fig. 2 is another schematic angular structure diagram of a torsion beam type suspension according to an embodiment of the present invention;
fig. 3 is a schematic overall structure diagram of a reinforcing member according to a first embodiment of the present invention;
fig. 4 is another angle structure diagram of the reinforcing member according to the first embodiment of the present invention;
fig. 5 is a schematic view of a force direction of the beam and the trailing arm according to the first embodiment of the present invention.
Description of reference numerals:
1. a trailing arm; 2. a cross beam; 3. a reinforcing member; 301. a longitudinal side end; 302. a transverse side end; 303. electrophoresis process holes; 304. a middle side end; 305. flanging;
4. a corner portion; 5. a spring tray.
Detailed Description
It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it should be noted that, if terms indicating orientation or positional relationship such as "upper", "lower", "inner", "outer", etc. appear, they are based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to 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 appearances of the terms first, second, etc. in this specification are not necessarily all referring to the same item, but are to be construed as indicating or implying any particular importance.
In addition, in the description of the present invention, the terms "mounted," "connected," and "connecting" are to be construed broadly unless otherwise specifically limited. For example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in conjunction with the specific situation for a person of ordinary skill in the art.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
As shown in fig. 1 and 2, the torsion beam type suspension according to the present embodiment includes a pair of trailing arms 1 arranged at an interval, a cross member 2 connected between the pair of trailing arms 1, a reinforcing member 3, and a corner portion 4 formed on the reinforcing member 3.
As shown in fig. 3, the specific structure of the reinforcing member 3 is that the reinforcing member 3 has a longitudinal side end 301 fixedly provided on one of the trailing arms 1 and a lateral side end 302 fixedly provided on the cross beam 2; the corner part 4 is formed at the tail end of the transverse side end 302, the corner part 4 and the longitudinal side end 301 are respectively positioned at two sides of the transverse side end 302, and the side of the transverse side end 302 far away from the longitudinal side end 301 is the tail end of the transverse side end 302; the corner 4 is fixedly arranged on the cross beam 2, and the corner 4 is obliquely arranged along the direction of the reciprocating tensile force which tends to be born by the cross beam 2.
Specifically, as shown in fig. 1, the longitudinal side end 301 and the lateral side end 302 of the reinforcing member 3 are provided along the longitudinal direction of the trailing arm 1 and the lateral beam 2, respectively, to improve the strength of the torsion beam type suspension and avoid fatigue cracking. The corner 4 is arranged by extending the tail part of the transverse side end 302 to the direction far away from the reinforcing member, so that the stress form of the cross beam 2 can be changed, when the cross beam 2 is subjected to torque force, the welding part of the cross beam 2 and the longitudinal arm 1 is prevented from cracking, and the service life of a welding seam is prolonged. In order to further increase the strength of the reinforcing member 3, the corner portion 4 and the reinforcing member 3 of the present embodiment are integrally formed, i.e., can be manufactured by integrally forging, casting, pressing, or the like, as shown in fig. 3. In addition, in order to improve the connection strength between the corner portion 4 and the lateral side end 302, the cross-sectional area of the corner portion 4 is gradually reduced along the direction away from the reinforcing member 3 to form a triangular supporting structure, so that the characteristic of good stability of the triangular structure can be utilized to prevent the corner portion 4 from being broken, and further the stress strength of the cross beam 2 is improved.
In addition, in order to further improve the use effect of the corner portion 4, as shown in fig. 5, the included angle between the corner portion 4 and the lateral side end 302 is 150 ° to 170 °, as the included angle adopted in the present embodiment is 168 °, and the reciprocating tension and compression force generated between the cross beam 2 and the trailing arm 1 can be changed by limiting the included angle, so that the reciprocating tension and compression force is supported by the axial direction of the cross beam 2. Wherein the double arrows in fig. 5 are the directions of the tensile and compressive forces to which the cross beam 2 is subjected.
It should be noted that, since the inclination angles of the vehicle body are different when the vehicle body is inclined, the tension and compression force generated between the cross beam 2 and the trailing arm 1 is also different, and therefore, when the angle of the included angle is preferably set in the range of 150 ° to 170 °, the tension and compression force generated when the vehicle body is inclined can be reduced to the maximum, and when the included angle is set at 150 °, a good supporting effect can be generated when the vehicle body is inclined at a small angle, and when the included angle is set at 170 °, a good supporting effect can be generated when the vehicle body is inclined at a large angle.
In the present embodiment, as shown in fig. 3, as a further configuration, an electrophoresis process hole 303 for electrophoresis is formed at a position of the reinforcing member 3 close to the corner 4, the electrophoresis process hole 303 can perform electrophoresis processing on a position between the torsion beam type suspension and the reinforcing member 3, so as to increase an anti-corrosion effect of the torsion beam type suspension and improve a service life, and one or more electrophoresis process holes 303 can be provided in the electrophoresis process hole 303 according to a shape or a size of the reinforcing member 3, so that electrophoresis processing efficiency can be improved.
Similarly, in order to further improve the strength of the torsion beam type suspension, as shown in fig. 1, a spring tray 5 is connected between one of the trailing arms 1 and the cross beam 2, and the reinforcing member 3 has a center side end 304 fixedly provided on the spring tray 5, and in this embodiment, the center side end 304 is welded to the spring tray 5 and is attached to the spring tray 5, and the lateral side end 302 and the longitudinal side end 301 are welded to the cross beam 2 and the trailing arm 1, respectively, whereby the strength of the weld between the cross beam 2, the trailing arm 1, and the spring tray 5 can be further improved.
In addition, as shown in fig. 5, in order to further improve the strength of the trailing arm 1, in the present embodiment, the longitudinal side end 301 follows the trailing arm 1 to form a curved shape having the same shape as the trailing arm 1, that is, the longitudinal side end 301 covers the outer surface of the trailing arm 1, so as to ensure better adhesion with the trailing arm 1, and further improve the strength of the trailing arm 1. As a further arrangement, a flange 305 bent in a direction away from the spring tray 5 is formed on the middle side end 304, the flange 305 is located at the edge of the middle side end 304 close to one side of the trailing arm 1, and is integrally formed on the reinforcing member 3, so that a certain radian is formed on the side edge of the reinforcing member 3, and further, the rigidity of the reinforcing member 3 is ensured, and the cracking risk is reduced.
Torsion beam type suspension, weld on torsion beam type suspension through stiffening member 3 to can improve the intensity and the bearing capacity that torsion beam type hung, and then reduce the risk of crossbeam 2, trailing arm 1 and spring tray 5's welding seam department fracture, simultaneously through bight 4's setting, and it is the same with the direction that crossbeam 2 received the pulling pressure direction to set up the direction, in order to change the direction of atress of this department welding seam, thereby improve the life-span of welding seam between stiffening member 3 and the torsion beam type suspension, still can improve stiffening member 3's durability.
In addition, the corner 4 is the tail end extension setting of horizontal side end 302, so set up simple structure, and the manufacturing of being convenient for still can guarantee the rigidity of bight 4, and simultaneously, the cross-sectional area of bight 4 diminishes along the direction of keeping away from reinforcing member 3 gradually, can improve the self rigidity of bight 4 to set up along crossbeam 2 length direction through horizontal side end 302, with the atress condition that can improve crossbeam 2, and then increase the welding seam life-span.
Example two
The present embodiment relates to a vehicle provided with a torsion beam type suspension as above.
The vehicle of the embodiment can improve the strength of the vehicle and increase the safety performance of the vehicle by adopting the torsion beam type suspension.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A torsion beam suspension comprising a pair of spaced trailing arms (1), a cross beam (2) connected between a pair of said trailing arms (1), characterized in that said torsion beam suspension further comprises:
a reinforcing member (3), said reinforcing member (3) having a longitudinal side end (301) fixedly disposed on one of said trailing arms (1) and a lateral side end (302) fixedly disposed on said cross member (2);
the corner part (4) is formed at the tail end of the transverse side end (302), the corner part (4) and the longitudinal side end (301) are respectively positioned at two sides of the transverse side end (302), and one side of the transverse side end (302) far away from the longitudinal side end (301) is the tail end of the transverse side end (302); the corner part (4) is fixedly arranged on the cross beam (2); the corner (4) is arranged obliquely along the direction of the reciprocating tensile force which tends to be born by the cross beam (2).
2. A torsion beam suspension according to claim 1, wherein:
the corner (4) is provided by extending the tail end of the lateral end (302) in a direction away from the reinforcing member (3).
3. A torsion beam suspension according to claim 2, wherein:
the corner portion (4) has a cross-sectional area that gradually decreases in a direction away from the reinforcing member (3).
4. A torsion beam suspension according to claim 2, wherein:
electrophoresis process holes (303) are formed in the reinforcing member (3) at positions close to the corner portions (4).
5. A torsion beam suspension according to claim 1, wherein:
the transverse side end (302) is arranged along the length direction of the cross beam (2), and the included angle between the corner part (4) and the transverse side end (302) is 150-170 degrees.
6. A torsion beam suspension according to claim 1, wherein:
a spring tray (5) is connected between the trailing arm (1) and the cross beam (2), and the reinforcing member (3) is provided with a middle side end (304) fixedly arranged on the spring tray (5).
7. A torsion beam suspension according to claim 6, wherein:
a flanging (305) which is bent along the direction departing from the spring tray (5) is formed on the middle side end (304).
8. A torsion beam suspension according to claim 1, wherein:
the longitudinal side end (301) is coated on the outer surface of the longitudinal arm (1).
9. A reinforcement member (3) provided in a torsion beam type suspension having a pair of trailing arms (1) disposed at an interval and a cross member (2) connected between the pair of trailing arms (1), characterized in that:
the reinforcing component (3) is provided with a longitudinal side end (301) fixedly arranged on one longitudinal arm (1) and a transverse side end (302) fixedly arranged on the transverse beam (2);
the corner part (4) is formed at the tail end of the transverse side end (302), the corner part (4) and the longitudinal side end (301) are respectively positioned at two sides of the transverse side end (302), and one side of the transverse side end (302) far away from the longitudinal side end (301) is the tail end of the transverse side end (302); the corner part (4) is fixedly arranged on the cross beam (2), and the corner part (4) is obliquely arranged along the direction of reciprocating tension borne by the cross beam (2).
10. A vehicle, characterized in that:
a torsion beam suspension according to any one of claims 1 to 8 is provided in the vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221690906.7U CN217495773U (en) | 2022-06-30 | 2022-06-30 | Torsion beam type suspension, reinforcing member and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221690906.7U CN217495773U (en) | 2022-06-30 | 2022-06-30 | Torsion beam type suspension, reinforcing member and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217495773U true CN217495773U (en) | 2022-09-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221690906.7U Active CN217495773U (en) | 2022-06-30 | 2022-06-30 | Torsion beam type suspension, reinforcing member and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217495773U (en) |
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- 2022-06-30 CN CN202221690906.7U patent/CN217495773U/en active Active
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