CN203601386U - Connector structure at upper end of column D - Google Patents
Connector structure at upper end of column D Download PDFInfo
- Publication number
- CN203601386U CN203601386U CN201320684762.9U CN201320684762U CN203601386U CN 203601386 U CN203601386 U CN 203601386U CN 201320684762 U CN201320684762 U CN 201320684762U CN 203601386 U CN203601386 U CN 203601386U
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- post
- plate
- outside plate
- cross beam
- upper reinforcing
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Abstract
The utility model discloses a connector structure at the upper end of a column D. The connector structure at the upper end of the column D comprises a top cover, a rear transverse beam outer plate, a rear transverse beam inner plate, a column-D upper reinforcing plate, a rear side periphery inner plate, a column-D upper outer plate and a rear side periphery outer plate, wherein the rear side periphery outer plate is fixedly welded to the column-D upper outer plate, the trimmed edge of the column-D upper reinforcing plate and the trimmed edge of the rear side periphery inner plate are arranged in a staggered mode, the column-D upper reinforcing plate is of an L shape, a circular-arc-shaped transition section is arranged in the middle of the column-D upper reinforcing plate, the upper portion of the column-D upper reinforcing plate extends towards one side to form an extension portion, an inwards-concave arc-shaped bent portion is arranged on the top of the rear side periphery inner plate, the root portion of the extension portion is welded to the arc-shaped bent portion of the rear side periphery inner plate, the column-D upper reinforcing plate is detachably and fixedly connected with the rear transverse beam outer plate, the column-D upper outer plate is fixedly welded to the rear transverse beam outer plate, and the column-D upper outer plate, the rear transverse beam outer plate and the top cover are fixedly welded. The connector structure at the upper end of the column D is simple, the phenomenon of stress concentration is effectively reduced, the phenomenon that due to the fact that a notch is arranged, the situation of stress concentration is caused is avoided, part forming efficiency is improved, the utilization rate of materials is improved, and modality of a body in white is improved.
Description
Technical field
The utility model relates to a kind of joint design, particularly relates to a kind of D post upper end joint design of vehicle body.
Background technology
End junction on vehicle body D post is one of most important joint in vehicle body.Its structure directly affects body in white single order mode size, especially MPV vehicle body, and tail-gate frame is weakness zone, strength/rigidity deficiency, easily cracking.Therefore, the joint quality of D post upper end, can have influence on the quality of whole body in white.The top connection of D post comprises part to be had, outside plate 6, D post upper reinforcing plate, top cap rear cross beam outside plate 2, top cover rear cross beam internal plate, top cover etc. on rear side wall outside plate 3, rear side wall internal panel, D post, it is many that D post upper end joint area comprises part comparison, complicated structure, traditional D post upper end joint design is illustrated in fig. 1 shown below.Its defect is mainly: 1. rear side wall internal panel trimming is concordant with the trimming of D post upper reinforcing plate, and stress is concentrated; 2. on tail-gate frame fillet, be provided with dodge four laminates welding dodge breach 16, this is dodged breach 16 place's stress and concentrates; 3. rear side wall internal panel top stretching depth is large, and forming parts technique is bad, stock utilization is low; 4. welding process is not good, and on top cap rear cross beam outside plate 2 and D post, outside plate 6 can only be arranged 3 weld nuggets 15, and not prison welding is solid, easily cracking.
Summary of the invention
The utility model completes in order to solve deficiency of the prior art, the purpose of this utility model be to provide a kind of simple in structure, effectively stress concentration is fallen, avoid breach is set and produce stress and concentrate, improve part forming efficiency and improve stock utilization, improve the D post upper end joint design of body in white mode.
A kind of D post of the present utility model upper end joint design, comprise top cover, top cap rear cross beam outside plate, top cover rear cross beam internal plate, D post upper reinforcing plate, rear side wall outside plate, outside plate and rear side wall outside plate on D post, it is characterized in that: on described rear side wall outside plate and described D post, outside plate is welded and fixed, described D post upper reinforcing plate trimming and described rear side wall internal panel trimming shift to install, described D post upper reinforcing plate is L shaped, middle part is provided with circular arc transition phase, extension is extended to a side in described D post upper reinforcing plate top, described rear side wall internal panel top is provided with the curved bend of indent, the root of described D post upper reinforcing plate extension and the welding of described rear side wall internal panel curved bend, described D post upper reinforcing plate is detachably fixedly connected with described top cap rear cross beam outside plate, on described D post, outside plate and described top cap rear cross beam outside plate are welded and fixed, outside plate on described D post, described top cap rear cross beam outside plate and described top cover are welded and fixed.
A kind of D post of the present utility model upper end joint design can also be:
The extension trimming of described D post upper reinforcing plate and the curved bend of described rear side wall internal panel distance are at least 60mm.
Extension and the described top cover rear cross beam internal plate of described D post upper reinforcing plate removably connect.
Between the extension of described D post upper reinforcing plate and described top cover rear cross beam internal plate, be detachably fixedly connected with by tail-door hinge stiffening plate.
On the extension of described D post upper reinforcing plate, be provided with the first through hole, described top cover rear cross beam internal plate corresponding position is provided with the second through hole, on described tail-door hinge stiffening plate, be provided with screw, bolt is threaded with described screw after passing described the first through hole and the second through hole.
On the extension of described D post upper reinforcing plate and described top cap rear cross beam outside plate, be provided with welding process hole.
On the extension of described D post upper reinforcing plate, be provided with a welding process hole, described top cap rear cross beam outside plate is provided with a welding process hole near trimming place, and described top cap rear cross beam outside plate is provided with two welding process holes away from described trimming place.
Described welding process hole is circular and/or square, and the length of described square welding process hole is less than 85mm, and the diameter of described circular weld auxiliary hole is less than 28mm.
On described D post, outside plate and described top cap rear cross beam outside plate weld are provided with two row's weld nuggets.
On described D post, outside plate and described top cap rear cross beam outside plate weld are provided with 6 weld nuggets altogether.
A kind of D post of the present utility model upper end joint design, described in it, on rear side wall outside plate and described D post, outside plate is welded and fixed, described D post upper reinforcing plate trimming and described rear side wall internal panel trimming shift to install, described D post upper reinforcing plate is L shaped, middle part is provided with circular arc transition phase, extension is extended to a side in described D post upper reinforcing plate top, described rear side wall internal panel top is provided with the curved bend of indent, the root of described D post upper reinforcing plate extension and the welding of described rear side wall internal panel curved bend, described D post upper reinforcing plate is detachably fixedly connected with described top cap rear cross beam outside plate, on described D post, outside plate and described top cap rear cross beam outside plate are welded and fixed, outside plate on described D post, described top cap rear cross beam outside plate and described top cover are welded and fixed.Like this, on described rear side wall outside plate and described D post, outside plate is welded and fixed, described D post upper reinforcing plate top and described rear side wall internal panel trimming welding, described D post upper reinforcing plate is detachably fixedly connected with described top cap rear cross beam outside plate, on described D post, outside plate and described top cap rear cross beam outside plate are welded and fixed, outside plate on described D post, described top cap rear cross beam outside plate and described top cover are welded and fixed, all parts are by welding between two or removably connect with miscellaneous part, and three such as is welded and fixed at the mode, each parts all can be linked together, guarantee the fixation of D post upper end joint design, complete the part assembling in white car assembling.In addition, because described D post upper reinforcing plate trimming and described rear side wall internal panel trimming shift to install, therefore the application force of both trimmings all acts in the plane of the other side's parts, effectively avoid stress to concentrate, and because root and the described rear side wall internal panel curved bend of described D post upper reinforcing plate extension are welded, make rear side wall internal panel top area very little, reduce rear side wall internal panel stretching depth, improve the slight and rigidity in D post top connection region, improve forming parts efficiency, solve the problem that rear side wall internal panel forming process is bad, stock utilization is low.And owing to mostly being most three layers of welding, and avoid occurring dodging the breach of dodging of four laminates, therefore, avoid dodging the concentrated problem of indentation, there stress.
Accompanying drawing explanation
Fig. 1 prior art D post upper end joint design schematic diagram.
A kind of D post of Fig. 2 the utility model upper end joint design schematic diagram.
A kind of D post of Fig. 3 the utility model upper end joint design other direction schematic diagram.
A kind of D post of Fig. 4 the utility model upper end joint design D column reinforcement plate schematic diagram.
A kind of D post of Fig. 5 the utility model upper end joint design rear side wall internal panel schematic diagram.
A kind of D post of Fig. 6 the utility model upper end joint design part splits schematic diagram.
A kind of D post of Fig. 7 the utility model upper end joint design entirety splits schematic diagram.
Figure number explanation
1 ... top cover 2 ... top cap rear cross beam outside plate 3 ... rear side wall outside plate
4 ... tail-door hinge stiffening plate 5 ... top cover rear cross beam internal plate 6 ... outside plate on D post
7 ... rear side wall internal panel 8 ... D post upper reinforcing plate 9 ... extension
10 ... curved bend 11 ... bolt 12 ... the first through hole
13 ... the second through hole 14 ... welding process hole 15 ... weld nugget
The specific embodiment
Fig. 2 to Fig. 7 below in conjunction with accompanying drawing is described in further detail a kind of D post of the present utility model upper end joint design.
A kind of D post of the present utility model upper end joint design, please refer to Fig. 2 to Fig. 7, comprise top cover 1, top cap rear cross beam outside plate 2, top cover rear cross beam internal plate 5, D post upper reinforcing plate 8, rear side wall outside plate 3, outside plate 6 and rear side wall outside plate 3 on D post, on described rear side wall outside plate 3 and described D post, outside plate 6 is welded and fixed, 8 trimmings of described D post upper reinforcing plate and 7 trimmings of described rear side wall internal panel shift to install, described D post upper reinforcing plate 8 is L shaped, middle part is provided with circular arc transition phase, extension 9 is extended to a side in described D post upper reinforcing plate 8 tops, described rear side wall internal panel 7 tops are provided with the curved bend 10 of indent, the root of described D post upper reinforcing plate 8 extensions 9 and described rear side wall internal panel 7 curved bends 10 are welded, described D post upper reinforcing plate 8 is detachably fixedly connected with described top cap rear cross beam outside plate 2, on described D post, outside plate 6 is welded and fixed with described top cap rear cross beam outside plate 2, outside plate 6 on described D post, described top cap rear cross beam outside plate 2 and described top cover 1 are welded and fixed.Like this, on described rear side wall outside plate 3 and described D post, outside plate 6 is welded and fixed, described D post upper reinforcing plate 8 tops and the 7 trimming welding of described rear side wall internal panel, described D post upper reinforcing plate 8 is detachably fixedly connected with described top cap rear cross beam outside plate 2, on described D post, outside plate 6 is welded and fixed with described top cap rear cross beam outside plate 2, outside plate 6 on described D post, described top cap rear cross beam outside plate 2 and described top cover 1 are welded and fixed, all parts are by welding between two or removably connect with miscellaneous part, and three such as is welded and fixed at the mode, each parts all can be linked together, guarantee the fixation of D post upper end joint design, complete the part assembling in white car assembling.In addition, because 8 trimmings of described D post upper reinforcing plate and 7 trimmings of described rear side wall internal panel shift to install, therefore the application force of both trimmings all acts in the plane of the other side's parts, effectively avoid stress to concentrate, and because root and described rear side wall internal panel 7 curved bends 10 of described D post upper reinforcing plate 8 extensions 9 are welded, make rear side wall internal panel 7 top area very little, reduce rear side wall internal panel 7 stretching depth, improve the slight and rigidity in D post top connection region, improve forming parts efficiency, solve the problem that rear side wall internal panel 7 forming processs are bad, stock utilization is low.And owing to mostly being most three layers of welding, and avoid occurring dodging the breach of dodging of four laminates, therefore, avoid dodging the concentrated problem of indentation, there stress.
A kind of D post of the present utility model upper end joint design, please refer to Fig. 2 to Fig. 7, can be specifically that extension 9 trimmings of described D post upper reinforcing plate 8 and the curved bend of described rear side wall internal panel 7 10 distances are at least 60mm on the basis of previous technique scheme.Like this, the trimming distance of D column reinforcement plate and rear side wall internal panel 7 is larger, further avoids stress to concentrate.The extension 9 that further preferred technical scheme is described D post upper reinforcing plate 8 removably connects with described top cover rear cross beam internal plate 5.Can have like this on long extension 9 as detachable fixed position, the connection location of balanced D post upper reinforcing plate 8 and each parts, disperse the application force of each parts to D post upper reinforcing plate 8, further effectively avoid stress to concentrate, abdicate more position of weld to D post upper reinforcing plate 8 and rear side wall internal panel 7 simultaneously, guarantee firm welding, further improve white car safety performance.Between the extension 9 that further preferred technical scheme is described D post upper reinforcing plate 8 and described top cover rear cross beam internal plate 5, be detachably fixedly connected with by tail-door hinge stiffening plate 4.Can be to be specifically provided with the first through hole 12 on the extension 9 of described D post upper reinforcing plate 8, described top cover rear cross beam internal plate 5 corresponding positions are provided with the second through hole 13, on described tail-door hinge stiffening plate 4, be provided with screw, bolt 11 is threaded with described screw after passing described the first through hole 12 and the second through hole 13.Like this, detachably fixing with tail-door hinge stiffening plate 4 through the first through hole 12 and the rear bolt 11 of the second through hole 13 successively from the bottom to top by bolt 11, and then the extension 9 of D post upper reinforcing plate 8 and top cover rear cross beam internal plate 5 are detachably connected.Detachable fixed form is like this fixing more firm, and cost is low, and Assembly &Disassembly is convenient, and can improve body in white mode.
A kind of D post of the present utility model upper end joint design, please refer to Fig. 2 to Fig. 7, on the basis of foregoing technical scheme, can also be to be provided with welding process hole 14 on the extension 9 of described D post upper reinforcing plate 8 and described top cap rear cross beam outside plate 2.On the extension 9 of D column reinforcement plate and top cap rear cross beam outside plate 2, welding process hole 14 is set, conveniently carries out spot-welded, and use electric welding to replace bolt to connect, save bolt, reduce costs.On the extension 9 that further preferred technical scheme is described D post upper reinforcing plate 8, be provided with a welding process hole 14, described top cap rear cross beam outside plate 2 is provided with a welding process hole 14 near trimming place, and described top cap rear cross beam outside plate 2 is provided with two welding process holes 14 away from described trimming place.Multiple welding process holes 14 being set like this and making as far as possible the advantage of welding process hole 14 scattering devices is dispersive stresses, avoids stress to concentrate, and reduces this place's stress value.Further preferred technical scheme is that described welding process hole 14 is circle and/or square, and the length of described square welding process hole 14 is less than 85mm, and the diameter of described circular weld auxiliary hole 14 is less than 28mm.And only have in the prior art rectangular welding process hole, and be all 100mm × 85mm, welding process hole dimension is too large.Like this, D post of the present utility model upper end joint design, small-sized due to welding process hole 14, therefore can reduce stress and concentrate, and increases the intensity of end junction on D post simultaneously.
A kind of D post of the present utility model upper end joint design, please refer to Fig. 1 to Fig. 7, on the basis of foregoing technical scheme, can also be that on described D post, outside plate 6 is provided with two row's weld nuggets 15 with described top cap rear cross beam outside plate 2 welds.The advantage that two row's solder joints are set is the weld strength that guarantees outside plate 6 and top cap rear cross beam outside plate 2 on D post, avoids cracking, can strengthen the intensity of D post top connection simultaneously.Further preferred technical scheme is that on described D post, outside plate 6 is provided with 6 weld nuggets 15 altogether with described top cap rear cross beam outside plate 2 welds.Further uniform stressed area, avoids stress to concentrate, and improves the intensity of end junction on D post.
It should be noted that in addition, in relevant each figure of Fig. 2 to Fig. 7, leg-of-mutton weld nugget 15 is three layers of weld nugget 15 of outside plate 6 on top cover 1, top cap rear cross beam outside plate 2 and D post, black circle is the two-layer weld nugget 15 of rear side wall internal panel 7 and D post upper reinforcing plate 8, and soft dot is the two-layer weld nugget 15 that on top cap rear cross beam outside plate 2 and D post, outside plate 6 welds.
Above-mentionedly only several specific embodiments in the utility model are illustrated; but can not serve as protection domain of the present utility model; every equivalence variation of having done according to the design spirit in the utility model or modification or equal proportion zoom in or out etc., all should think and fall into protection domain of the present utility model.
Claims (10)
1. a D post upper end joint design, comprise top cover, top cap rear cross beam outside plate, top cover rear cross beam internal plate, D post upper reinforcing plate, rear side wall outside plate, outside plate and rear side wall outside plate on D post, it is characterized in that: on described rear side wall outside plate and described D post, outside plate is welded and fixed, described D post upper reinforcing plate trimming and described rear side wall internal panel trimming shift to install, described D post upper reinforcing plate is L shaped, D post upper reinforcing plate middle part is provided with circular arc transition phase, extension is extended to a side in described D post upper reinforcing plate top, described rear side wall internal panel top is provided with the curved bend of indent, the root of described D post upper reinforcing plate extension and the welding of described rear side wall internal panel curved bend, described D post upper reinforcing plate is detachably fixedly connected with described top cap rear cross beam outside plate, on described D post, outside plate and described top cap rear cross beam outside plate are welded and fixed, outside plate on described D post, described top cap rear cross beam outside plate and described top cover are welded and fixed.
2. a kind of D post according to claim 1 upper end joint design, is characterized in that: the extension trimming of described D post upper reinforcing plate and the curved bend of described rear side wall internal panel distance are at least 60mm.
3. a kind of D post according to claim 2 upper end joint design, is characterized in that: extension and the described top cover rear cross beam internal plate of described D post upper reinforcing plate removably connect.
4. a kind of D post according to claim 3 upper end joint design, is characterized in that: between the extension of described D post upper reinforcing plate and described top cover rear cross beam internal plate, be detachably fixedly connected with by tail-door hinge stiffening plate.
5. a kind of D post according to claim 4 upper end joint design, it is characterized in that: on the extension of described D post upper reinforcing plate, be provided with the first through hole, described top cover rear cross beam internal plate corresponding position is provided with the second through hole, on described tail-door hinge stiffening plate, be provided with screw, bolt is threaded with described screw after passing described the first through hole and the second through hole.
6. according to a kind of D post upper end joint design described in any claim of claim 1 to 5, it is characterized in that: on the extension of described D post upper reinforcing plate and described top cap rear cross beam outside plate, be provided with welding process hole.
7. a kind of D post according to claim 6 upper end joint design, it is characterized in that: on the extension of described D post upper reinforcing plate, be provided with a welding process hole, described top cap rear cross beam outside plate is provided with a welding process hole near trimming place, and described top cap rear cross beam outside plate is provided with two welding process holes away from described trimming place.
8. a kind of D post according to claim 7 upper end joint design, is characterized in that: described welding process hole is for circular and/or square, and the length of described square welding process hole is less than 85mm, and the diameter of described circular weld auxiliary hole is less than 28mm.
9. according to a kind of D post upper end joint design described in any claim of claim 1 to 5, it is characterized in that: on described D post, outside plate and described top cap rear cross beam outside plate weld are provided with two row's weld nuggets.
10. a kind of D post according to claim 8 upper end joint design, is characterized in that: on described D post, outside plate and described top cap rear cross beam outside plate weld are provided with 6 weld nuggets altogether.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320684762.9U CN203601386U (en) | 2013-11-01 | 2013-11-01 | Connector structure at upper end of column D |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320684762.9U CN203601386U (en) | 2013-11-01 | 2013-11-01 | Connector structure at upper end of column D |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203601386U true CN203601386U (en) | 2014-05-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320684762.9U Withdrawn - After Issue CN203601386U (en) | 2013-11-01 | 2013-11-01 | Connector structure at upper end of column D |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203601386U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661618A (en) * | 2013-11-01 | 2014-03-26 | 上汽通用五菱汽车股份有限公司 | D-column upper end joint structure |
| CN115107879A (en) * | 2022-07-19 | 2022-09-27 | 岚图汽车科技有限公司 | Side top assembly and size control method |
-
2013
- 2013-11-01 CN CN201320684762.9U patent/CN203601386U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103661618A (en) * | 2013-11-01 | 2014-03-26 | 上汽通用五菱汽车股份有限公司 | D-column upper end joint structure |
| CN103661618B (en) * | 2013-11-01 | 2016-08-24 | 上汽通用五菱汽车股份有限公司 | A kind of D-column upper end joint structure |
| CN115107879A (en) * | 2022-07-19 | 2022-09-27 | 岚图汽车科技有限公司 | Side top assembly and size control method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140521 Effective date of abandoning: 20160824 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |