CN210310562U

CN210310562U - Self-piercing riveting joint for aluminum alloy passenger car body framework

Info

Publication number: CN210310562U
Application number: CN201921445465.2U
Authority: CN
Inventors: 李兵
Original assignee: Jiangsu Food and Pharmaceutical Science College
Current assignee: Jiangsu Food and Pharmaceutical Science College
Priority date: 2019-09-02
Filing date: 2019-09-02
Publication date: 2020-04-14
Anticipated expiration: 2029-09-02

Abstract

The utility model relates to an aluminum alloy passenger car body skeleton is from dashing riveted joint, including horizontal pole and montant, be equipped with T type groove on the horizontal pole, T type inslot is equipped with T type pole, the position that corresponds with T type pole on the montant is equipped with the slot, just in the slot is located on T type pole top, the montant both sides are equipped with right angle spare, be connected with first rivet between right angle spare and the montant, be connected with the second rivet between right angle spare and the horizontal pole, just T type pole is all connected with the second rivet to first rivet, T type pole bottom is equipped with fixing bolt, just fixing bolt connects T type pole and horizontal pole, and this aluminum alloy passenger car body skeleton is from dashing riveted joint has strengthened the joint strength between the aluminium alloy body skeleton roof beam effectively, can improve the antitorque and bending resistance at connection position simultaneously.

Description

Self-piercing riveting joint for aluminum alloy passenger car body framework

Technical Field

The utility model relates to an aluminum alloy passenger train automobile body skeleton is from dashing riveted joint belongs to passenger train automobile body technical field.

Background

Along with the continuous consumption of global energy and the continuous rising of energy price, people gradually pay attention to the utilization rate of the energy; in the field of passenger cars, realizing the light weight of car bodies is an effective measure for improving the energy utilization, and the development of new energy automobiles, particularly the development of hybrid passenger cars and pure electric passenger cars leads to the urgent need for the light weight of car bodies, at present, an important way for realizing the light weight of passenger cars is to use aluminum alloy materials to replace steel materials to be applied to the passenger cars, so that all-aluminum alloy passenger car projects are continuously released, all-aluminum alloy passenger cars not only can realize the light weight and reduce the oil consumption, but also have high car body strength and good safety performance, which are main directions of future development, aluminum alloy car body frameworks of some domestic all-aluminum alloy passenger car projects are connected between aluminum alloy car body framework beams in a welding mode, tests show that the welding technology is not mature, particularly for the aluminum alloy car body framework beams with the material thickness smaller than 3mm, the self-piercing riveting joint has the advantages that the welding difficulty is high, the welding is easy to deform after the welding is finished, and even the phenomenon of cracking occurs after the automobile runs for a period of time, so that the aluminum alloy passenger car body frame is connected in a riveting mode.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model overcomes current defect, provides an aluminum alloy passenger train automobile body skeleton is from dashing riveted joint, has strengthened the joint strength between the aluminium alloy automobile body skeleton roof beam effectively, can improve the antitorque and the bending resistance at connection position simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an aluminum alloy passenger train automobile body skeleton is from towards riveting and connects, includes horizontal pole and montant, be equipped with T type groove on the horizontal pole, T type inslot is equipped with T type pole, the position that corresponds with T type pole on the montant is equipped with the slot, just in the slot is located to T type pole top, the montant both sides are equipped with right angle spare, be connected with first rivet between right angle spare and the montant, be connected with the second rivet between right angle spare and the horizontal pole, just T type pole is all connected with the second rivet to first rivet, T type pole bottom is equipped with fixing bolt, just fixing bolt connects T type pole and horizontal pole.

Furthermore, be equipped with first rivet hole and second rivet hole on the right-angle part respectively, just first rivet and second rivet are connected respectively in first rivet hole and second rivet hole.

Furthermore, the cross rod both sides are equipped with the tripod, just the tripod is connected cross rod and montant.

Further, the tripod comprises a connecting rod and a third rivet, and the connecting rod is connected between the third rivets.

Furthermore, the T-shaped groove and the inner wall of the slot are provided with corresponding grooves, reinforcing ribs are arranged in the corresponding grooves, and the reinforcing ribs are arranged on the T-shaped rod.

Furthermore, the vertical rods and the cross rods are vertically arranged.

The utility model has the advantages that:

1. the T-shaped groove, the slot, the T-shaped rod and other structures are arranged for improving the connection strength between the vertical rod and the transverse rod, so that the vertical rod and the transverse rod are more stable in connection;

2. by arranging the right-angle piece, the resistance of the vertical rod and the cross rod when stressed is improved, and the resistance strength of the position of the connecting component is improved, so that the use safety is effectively improved;

3. through setting up the tripod, the multi-angle carries out the bending resistance for the hookup location can not receive the power afterbending or the damage of other angles, has prolonged adapting unit's life.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is an external view of a self-piercing riveting joint of an aluminum alloy passenger car body framework of the utility model;

FIG. 2 is a cross-sectional view of the self-piercing riveting joint of the aluminum alloy passenger car body frame of the present invention;

FIG. 3 is the cross-sectional view of the slot of the self-piercing riveting joint of the aluminum alloy passenger car body frame.

Reference numbers in the figures: 1. a cross bar; 2. a vertical rod; 3. a T-shaped groove; 4. a T-shaped rod; 5. a slot; 6. a right angle member; 7. a first rivet; 8. a second rivet; 9. fixing the bolt; 10. a first rivet hole; 11. a second rivet hole; 12. a tripod; 13. a connecting rod; 14. a third rivet; 15. a corresponding groove; 16. reinforcing ribs; 17. and (5) a triangular block.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Example 1

As shown in fig. 1-3, a self-piercing riveting joint for an aluminum alloy passenger car body framework comprises a cross bar 1 and a vertical bar 2, wherein a T-shaped groove 3 is formed in the cross bar 1 and used for fixing the position of the T-shaped bar 4, the T-shaped bar 4 is arranged in the T-shaped groove 3 and used for improving the stability between the cross bar 1 and the vertical bar 2, a slot 5 is formed in the vertical bar 2 at a position corresponding to the T-shaped bar 4, the top end of the T-shaped bar 4 is arranged in the slot 5, right-angled pieces 6 are arranged on two sides of the vertical bar 2 and used for improving the bending strength of a connecting part, a first rivet 7 is connected between the right-angled pieces 6 and the vertical bar 2, a second rivet 8 is connected between the right-angled pieces 6 and the cross bar 1, the first rivet 7 and the second rivet 8 are both connected with the T-shaped bar 4, a fixing bolt 9 is arranged at the bottom of the T-, for fixing the T-bar 4.

More specifically, be equipped with first rivet hole 10 and second rivet hole 11 on the right-angle part 6 respectively, just first rivet hole 10 is connected first rivet 7 and second rivet 8 respectively with second rivet hole 11, and the right-angle part 6 of being convenient for is connected and is fixed with horizontal pole 1, montant 2, 1 both sides of horizontal pole are equipped with tripod 12, just horizontal pole 1 and montant 2 are connected to tripod 12, tripod 12 includes connecting rod 13 and third rivet 14, connect connecting rod 13 between the third rivet 14, further improve the joint strength between horizontal pole 1 and montant 2, T type groove 3 is equipped with corresponding groove 15 with 5 inner walls of slot, be equipped with strengthening rib 16 in corresponding groove 15, just on T type pole 4 was located to strengthening rib 16, improve the intensity of T type pole 4, set up perpendicularly between montant 2 and the horizontal pole 1.

Example 2

As shown in fig. 1-2, the right angle member 6 is provided with a triangular block 17 for improving the strength of the right angle member 6, enhancing the supporting strength of the right angle member 6, and preventing the right angle member 6 from bending under stress.

The utility model discloses the theory of operation: during the use, T type groove 3, slot 5, T type pole 4 isotructure, the joint strength between montant 2 and the horizontal pole 1 has been improved, make its stability when connecting more, right angle 6 improves the resistance of montant 2 and horizontal pole 1 when the atress, improve the resistance strength of adapting unit position, thereby the security of effectual improvement use, tripod 12 can carry out the bending resistance with the multi-angle, make the hookup location can not receive the power afterbend or damage of other angles, adapting unit's life has been prolonged.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. A self-piercing riveting joint for an aluminum alloy passenger car body framework comprises a cross rod (1) and a vertical rod (2), it is characterized in that a T-shaped groove (3) is arranged on the cross bar (1), a T-shaped rod (4) is arranged in the T-shaped groove (3), the position of the vertical rod (2) corresponding to the T-shaped rod (4) is provided with a slot (5), the top end of the T-shaped rod (4) is arranged in the slot (5), the two sides of the vertical rod (2) are provided with right-angle pieces (6), a first rivet (7) is connected between the right-angle piece (6) and the vertical rod (2), a second rivet (8) is connected between the right-angle piece (6) and the cross bar (1), the first rivet (7) and the second rivet (8) are both connected with a T-shaped rod (4), a fixing bolt (9) is arranged at the bottom of the T-shaped rod (4), and the fixing bolt (9) is connected with the T-shaped rod (4) and the cross rod (1).

2. The aluminum alloy passenger vehicle body framework self-piercing riveting joint as recited in claim 1, wherein: the right-angle piece (6) is provided with a first rivet hole (10) and a second rivet hole (11) respectively, and the first rivet hole (10) and the second rivet hole (11) are connected with a first rivet (7) and a second rivet (8) respectively.

3. The aluminum alloy passenger vehicle body framework self-piercing riveting joint as recited in claim 1, wherein: the cross rod (1) is provided with tripods (12) on two sides, and the tripods (12) are connected with the cross rod (1) and the vertical rod (2).

4. The aluminum alloy passenger vehicle body framework self-piercing riveting joint as recited in claim 3, wherein: the tripod (12) comprises a connecting rod (13) and third rivets (14), and the connecting rod (13) is connected between the third rivets (14).

5. The aluminum alloy passenger vehicle body framework self-piercing riveting joint as recited in claim 1, wherein: t type groove (3) and slot (5) inner wall are equipped with and correspond groove (15), be equipped with strengthening rib (16) in corresponding groove (15), just on T type pole (4) are located in strengthening rib (16).

6. The aluminum alloy passenger vehicle body framework self-piercing riveting joint as recited in claim 1, wherein: the vertical rods (2) and the cross rods (1) are vertically arranged.