CN2820653Y

CN2820653Y - Welding assembling structure of middle vertical pole reinforced piece

Info

Publication number: CN2820653Y
Application number: CN 200520009247
Authority: CN
Inventors: 姚善明; 张荣建; 栾爱东
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2005-04-30
Filing date: 2005-04-30
Publication date: 2006-09-27
Anticipated expiration: 2015-04-30

Abstract

The utility model relates to a vertical pole of an automobile body, particularly a welding assembling structure of a middle vertical pole reinforced piece, which is to solve the problem that the vertical stiffness of the middle vertical pole is insufficient and results in that the rear door of an automobile inclines and is difficult to open. The utility model designs a big inner reinforced piece which is arranged in the middle lower part of the middle vertical pole reinforced piece by adopting moulding surface position weld. Not only the local strength of the welding hinge region is ensured, but also the vertical stiffness of the middle vertical pole is increased. The problem that the rear door inclines after being opened and closed for a long time. Furthermore, a nut of a door opening retainer of the rear door can be welded on the inner reinforced piece to avoid the drawbacks that the strength is poor by directly welding the nut on an outer skin of the side wall, and once the nut falls off, the nut can not be maintained. By the design of the utility model, the nut can not fall off and does not need maintenance, which saves cost.

Description

Central post reinforcement welding assembly structure

Technical field

The utility model relates to the auto body column, relates in particular to solve the central post reinforcement welding assembly structure that central post vertical stiffness deficiency causes car back door inclination folding difficulty.

Background technology

No matter whether the back door of car pass through long-term folding, all should be in the normal state of folding of nature, and this has enough vertical stiffness with regard to the central post that needs the welding tractor door hinge and meets the demands.

Though some cars have central post reinforcement welding assembly to improve the rigidity of central post at present, its solution is to weld a little reinforcement up and down respectively to increase the local strength of central post reinforcement and hinge position of weld in the central post reinforcement, thereby satisfy the rigidity of central post, but this can only improve local strength, and the integral rigidity of central post still can not get strengthening.Therefore this is still unreasonable in design, after the long-term folding through the back door, because the vertical stiffness deficiency of central post still can cause back door inclination folding difficulty, abnormal sound is arranged during folding, and is difficult to even can't keeps in repair.

Summary of the invention

The purpose of this utility model is the deficiency at the prior art existence, and a kind of central post reinforcement welding assembly structure is provided, and solves the problem that central post vertical stiffness deficiency causes back door inclination folding difficulty, abnormal sound is arranged.

Our technical scheme is big interior reinforcement of design, adopt the profile tack welding to be connected on the inside, middle and lower part of central post reinforcement, because the middle and lower part just is the weld of hinge up and down, pass through reasonable structural design, not only guaranteed the local strength at welding hinge position, and increased the vertical stiffness of central post, solved the back door and caused the bevelled problem through long-term folding.

Further, also the nut of back door door open limit device also can be welded in this on reinforcement, thereby avoid this nut directly is welded on the shortcoming of intensity difference on the gusset exterior skin, in a single day this nut comes off, can't keep in repair, by this design, nut will can not come off.

The effect of invention: because the principle of design of central post reinforcement welding assembly is ingenious, guaranteed the strength and stiffness of central post, the back door no longer includes and abnormal sound, the nut that has yet guaranteed back door door open limit device does not come off, need not keep in repair, save cost, be convenient to popularize.

Description of drawings

Fig. 1 is the overall construction drawing of central post reinforcement welding assembly;

Fig. 2 be wherein in the constructional drawing of reinforcement;

Fig. 3 is the A-A section-drawing of Fig. 1;

Fig. 4 is the B-B section-drawing of Fig. 1;

Fig. 5 is the partial enlarged drawing of welded nut part among Fig. 2.

The specific embodiment

As depicted in figs. 1 and 2, central post reinforcement welding assembly is a high-strength structure, it is made up of reinforcement 2 in the high central post reinforcement 1 of structural strength, the central post, reinforcement 2 adopts the profile tack welding to be connected on the middle and lower part of central post reinforcement 1 in the central post, to guarantee the local strength at welding hinge position, increase the vertical stiffness of central post.The state of reinforcement 2 profiles location is seen Fig. 3 and Fig. 4 in central post reinforcement 1 and the central post, so just need not the anchor clamps knock hole of Design Orientation pin form, has reduced operation, saves cost.

From Fig. 2 and Fig. 5, can be clear that, be welded with door open limit device nut 3 on the reinforcement 2 in the central post, thereby avoid this nut directly is welded on the gusset exterior skin, guaranteed the weld strength of this nut, the characteristics of this assembly maximum are to have solved the back door in the problem that abnormal sound is arranged through long-term folding rear-inclined, switch door, need not maintenance.

Claims

1, central post reinforcement welding assembly structure comprises central post reinforcement (1), it is characterized in that: it is provided with reinforcement (2) in the central post, and reinforcement (2) adopts the profile tack welding to be connected on the middle and lower part of central post reinforcement (1) in the central post.

2, central post reinforcement welding assembly structure according to claim 1 is characterized in that: be welded with door open limit device nut (3) on the reinforcement (2) in the central post.