CN215285006U - D-column upper joint structure - Google Patents

D-column upper joint structure Download PDF

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Publication number
CN215285006U
CN215285006U CN202121567463.8U CN202121567463U CN215285006U CN 215285006 U CN215285006 U CN 215285006U CN 202121567463 U CN202121567463 U CN 202121567463U CN 215285006 U CN215285006 U CN 215285006U
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top cover
rear cross
cross beam
cover rear
plate
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CN202121567463.8U
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莫丽彬
闫亮
罗培锋
胡敏
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Guangzhou Automobile Group Co Ltd
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Guangzhou Automobile Group Co Ltd
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Abstract

The utility model provides a D post upper joint structure relates to the automobile design field. The D-column upper joint structure comprises a D-column assembly, a top cover rear cross beam assembly, a top cover body and a flume, wherein the flume is arranged on the outer side of the D-column assembly; the top cover rear cross beam assembly comprises a top cover rear cross beam and a top cover rear cross beam reinforcing plate, and the top cover rear cross beam reinforcing plate are enclosed to form a first reinforcing cavity; the D column assembly comprises a D column inner plate, the end part of the top cover rear cross beam extends to cover the upper side of the D column inner plate, and the end part of the top cover rear cross beam is fixedly connected with the D column inner plate to form a second reinforcing cavity; the end part of the top cover rear cross beam reinforcing plate extends to the outer side of the top cover body, and the end part of the top cover rear cross beam reinforcing plate is connected with the water flowing groove. The design of extending the top cover rear cross beam and the top cover rear cross beam reinforcing plate forms a coherent reinforcing cavity between the top cover rear cross beam assembly and the D column assembly, improves the torsional rigidity of a D column upper joint, and avoids the problem of paint crack at the seam of a launder and a top cover outer plate.

Description

D-column upper joint structure
Technical Field
The utility model relates to an automobile design technical field especially relates to a D post upper joint structure.
Background
The D-pillar upper joint is one of common body structures in automobile design, generally comprises a D-pillar reinforcing plate, a top cover rear cross beam reinforcing plate, a water flowing groove and a top cover outer plate, wherein the D-pillar reinforcing plate and the top cover rear cross beam reinforcing plate are welded and connected, the water flowing groove and the top cover outer plate are welded and connected, the structural form of the outer plate-reinforcing plate is formed, the torsional rigidity is low, and the joint of the water flowing groove and the top cover outer plate is easy to be painted and cracked.
The prior art discloses a design of a D-pillar region reinforcing structure, which specifically comprises a D-pillar upper corner inner plate used for being connected with a C pillar, wherein the D-pillar upper corner inner plate is formed by aluminum alloy through high-pressure die casting; the D column lower inner plate is used for being connected with the side wall outer plate assembly; a rear launder outer plate connected with the upper corner inner plate of the D column and the lower inner plate of the D column; a top cover rear cross member; and a roof upper reinforcing plate and a roof lower reinforcing plate for reinforcing the strength of the roof region. The D-column region reinforcing structure formed by combining the D-column upper corner inner plate, the D-column lower inner plate, the rear launder outer plate, the top cover rear cross beam and the top cover upper reinforcing plate which are formed by aluminum alloy casting can effectively increase the strength and rigidity of the D-column region.
In the existing D-column region reinforcing structure, the connecting positions of the inner plate at the upper corner of the D column and the rear cross beam assembly of the top cover are concentrated, an effective supporting cavity cannot be formed, the torsional rigidity is low, and the problem that the joint of the launder and the outer plate of the top cover is easy to paint and crack still exists.
SUMMERY OF THE UTILITY MODEL
In order to solve the above problem, an object of the utility model is to provide a joint design on D post to solve the unable effectual support cavity that forms of the regional additional strengthening of current D post, still there is torsional rigidity low, the easy lacquer problem of splitting of seam crossing of tye and top cap planking.
The utility model discloses a technical scheme of joint design on D post does:
the D-column upper joint structure comprises a D-column assembly, a top cover rear cross beam assembly, a top cover body and a water flowing groove, wherein the top cover body is arranged on the upper side of the top cover rear cross beam assembly, and the water flowing groove is arranged on the outer side of the D-column assembly;
the top cover rear cross beam assembly comprises a top cover rear cross beam and a top cover rear cross beam reinforcing plate fixedly arranged on the upper side of the top cover rear cross beam, and the top cover rear cross beam reinforcing plate are enclosed to form a first reinforcing cavity;
the D column assembly comprises a D column inner plate, the end part of the top cover rear cross beam extends to the upper side of the D column inner plate and covers the D column inner plate, and the end part of the top cover rear cross beam is fixedly connected with the D column inner plate to form a second reinforcing cavity in an enclosing mode;
the end part of the top cover rear cross beam reinforcing plate extends to the outer side of the top cover body, and the end part of the top cover rear cross beam reinforcing plate is connected with the water flowing groove.
Furthermore, the D-column assembly further comprises a D-column reinforcing plate arranged between the D-column inner plate and the launder, the rear side part of the D-column reinforcing plate is in concave-convex fit with the outer contour of the launder, and the rear side part of the D-column reinforcing plate is also connected with the end part of the top cover rear cross beam reinforcing plate.
Furthermore, the upper end of the rear side of the D-column reinforcing plate and the upper end of the water flowing groove are respectively provided with a protruding part extending along the transverse direction.
Furthermore, the convex part of the D-column reinforcing plate and the convex part of the water flowing groove are matched with the end profile of the top cover rear cross beam reinforcing plate in a concave-convex mode.
Furthermore, the protruding part of the D-column reinforcing plate and the protruding part of the launder are welded and fixed with the end part of the top cover rear cross beam reinforcing plate.
Furthermore, the convex part of the D-column reinforcing plate and the convex part of the water flowing groove are connected in a lap welding mode.
Further, the tip overlap joint of crossbeam covers in the upside of D post inner panel behind the top cap, first enhancement chamber is located the upside of crossbeam behind the top cap, the chamber is strengthened to the second and is located the downside of crossbeam behind the top cap, just first enhancement chamber with the second strengthens the dislocation distribution around the chamber.
Furthermore, the cross-sectional profile of the tip of roof back crossbeam along automobile body fore-and-aft direction the cross-sectional profile of D post inner panel along automobile body fore-and-aft direction the cross-sectional profile of roof back crossbeam reinforcing plate along automobile body fore-and-aft direction is the notch cuttype.
Furthermore, the tip of roof cap back crossbeam includes middle horizontal segment the D post inner panel includes horizontal segment down the roof cap back crossbeam reinforcing plate includes the upper horizontal segment, the front side of middle horizontal segment with upper horizontal segment interval arrangement constitutes from top to bottom first enhancement chamber, the rear side of middle horizontal segment with horizontal segment interval arrangement forms from top to bottom down the second is strengthened the chamber.
Further, the top cover rear cross beam assembly further comprises a hinge mounting plate, the hinge mounting plate is fixedly mounted between the top cover rear cross beam and the top cover rear cross beam reinforcing plate, and the hinge mounting plate is matched with the top cover rear cross beam reinforcing plate in a concave-convex mode.
Has the advantages that: the D-column upper joint structure adopts the structural design of a D-column assembly, a top cover rear cross beam assembly, a top cover body and a flume, a top cover rear cross beam reinforcing plate is arranged on the upper side of the top cover rear cross beam, and the top cover rear cross beam reinforcing plate are enclosed to form a first reinforcing cavity; the end part of the top cover rear cross beam extends to the position covering the upper side of the D column inner plate, and the end part of the top cover rear cross beam is fixedly connected with the D column inner plate to form a second reinforcing cavity in an enclosing manner; the end part of the top cover rear cross beam reinforcing plate extends to the outer side of the top cover body and forms a connection relation with the water flowing groove.
Through extending the design with top cap rear cross beam and top cap rear cross beam reinforcing plate, make the reinforcing cavity extend and expand to the inside that the D post connects, formed coherent reinforcing cavity between top cap rear cross beam subassembly and D post subassembly, through constructing effectual support cavity, improved the torsional rigidity of D post upper joint structure to, the tye is connected in the tip position of top cap rear cross beam reinforcing plate, has avoided the easy lacquer problem of splitting of seam crossing of tye and top cap planking.
Drawings
Fig. 1 is a schematic top view of a D-pillar upper joint structure according to an embodiment of the D-pillar upper joint structure of the present invention;
FIG. 2 is a perspective view of the D-pillar upper joint structure of FIG. 1 from the perspective of the interior of the vehicle;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 1;
fig. 4 is a schematic perspective view of a D-pillar inner plate in a specific embodiment of a D-pillar upper joint structure according to the present invention;
fig. 5 is a schematic perspective view of a D-pillar reinforcement plate in an embodiment of a D-pillar upper joint structure according to the present invention;
fig. 6 is a schematic perspective view of a gutter channel in an embodiment of a D-pillar upper joint structure according to the present invention.
In the figure: the structure comprises a 1-D column assembly, a 11-D column inner plate, a 110-lower horizontal section, a 10-second reinforcing cavity, a 12-D column reinforcing plate, a protrusion of a 120-D column reinforcing plate, a 2-top cover rear cross beam assembly, a 21-top cover rear cross beam, a 210-middle horizontal section, a 22-top cover rear cross beam reinforcing plate, a 220-upper horizontal section, a 23-hinge mounting plate, a 20-first reinforcing cavity, a 3-top cover body, a 4-launder and a 40-launder protrusion.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
As shown in fig. 1 to 6, the D-pillar upper joint structure of the present invention includes a D-pillar assembly 1, a top cover rear cross beam assembly 2, a top cover body 3, and a gutter channel 4, wherein the top cover body 3 is disposed on the upper side of the top cover rear cross beam assembly 2, and the gutter channel 4 is disposed on the outer side of the D-pillar assembly 1; the top cover rear cross beam assembly 2 comprises a top cover rear cross beam 21 and a top cover rear cross beam reinforcing plate 22 fixedly arranged on the upper side of the top cover rear cross beam 21, and the top cover rear cross beam 21 and the top cover rear cross beam reinforcing plate 22 are enclosed to form a first reinforcing cavity 20; the D column assembly 1 comprises a D column inner plate 11, the end part of the top cover rear cross beam 21 extends to the upper side of the D column inner plate 11 and covers the D column inner plate 11, and the end part of the top cover rear cross beam 21 is fixedly connected with the D column inner plate 11 to form a second reinforcing cavity 10 in an enclosing mode; the end of the roof rear cross member reinforcing plate 22 extends to the outside of the roof body 3, and the end of the roof rear cross member reinforcing plate 22 is connected to the gutter 4.
The D-column upper joint structure adopts the structural design of a D-column assembly 1, a top cover rear cross beam assembly 2, a top cover body 3 and a water flowing groove 4, a top cover rear cross beam reinforcing plate 22 is arranged on the upper side of a top cover rear cross beam 21, and the top cover rear cross beam 21 and the top cover rear cross beam reinforcing plate 22 are enclosed to form a first reinforcing cavity 20; the end part of the top cover rear cross beam 21 extends to the position covering the upper side of the D column inner plate 11, and the end part of the top cover rear cross beam 21 is fixedly connected with the D column inner plate 11 to form a second reinforcing cavity 10 in an enclosing mode; the end of the roof rear cross member reinforcing plate 22 extends to the outside of the roof body 3 and is connected to the gutter 4.
Through extending the design with top cap rear beam 21 and top cap rear beam reinforcing plate 22, make the reinforcing cavity extend and expand to the inside that the D post connects, formed coherent reinforcing cavity between top cap rear beam subassembly 2 and D post subassembly 1, through constructing effectual support cavity, improved the torsional rigidity of D post upper joint structure to, launder 4 connects in the tip position of top cap rear beam reinforcing plate 22, avoided the easy lacquer problem of splitting of seam crossing of launder 4 and top cap planking 3.
In the present embodiment, the D-pillar assembly 1 further includes a D-pillar reinforcement plate 12 installed between the D-pillar inner plate 11 and the gutter channel 4, a rear portion of the D-pillar reinforcement plate 12 is in concave-convex fit with an outer contour of the gutter channel 4, and a rear portion of the D-pillar reinforcement plate 12 is also connected to an end of the roof rear cross member reinforcement plate 22. Specifically, the upper end of the rear side of the D-pillar reinforcement plate 12 and the upper end of the gutter channel 4 are respectively provided with a protrusion extending in the transverse direction. Through the design of the convex part 120 of the D-column reinforcing plate and the convex part 40 of the water flowing groove, the reinforcing cavity can extend to the inside of the D-column assembly, and the strength and the rigidity of the back door frame are improved.
The convex part 120 of the D-column reinforcing plate and the convex part 40 of the water flowing groove are matched with the end part outline of the top cover rear cross beam reinforcing plate 22 in a concave-convex mode, so that the shape matching degree of all the parts is higher, and the transition can be carried out at the connecting position along with the shape. The protruding part 120 of the D-column reinforcing plate and the protruding part 40 of the water flowing groove are welded and fixed with the end part of the top cover rear cross beam reinforcing plate 22, and the protruding part 120 of the D-column reinforcing plate and the protruding part 40 of the water flowing groove are welded in an overlapping mode, so that the connectivity of all parts is enhanced, and the strength and the rigidity of a joint are improved.
In this embodiment, the end of the roof rear cross beam 21 overlaps the upper side of the D-pillar inner panel 11, the first reinforcement cavity 20 is located on the upper side of the roof rear cross beam 21, the second reinforcement cavity 10 is located on the lower side of the roof rear cross beam 21, and the first reinforcement cavity 20 and the second reinforcement cavity 10 are distributed in a front-back staggered manner. The first reinforcing cavity 20 and the second reinforcing cavity 10 are respectively arranged on the upper side and the lower side of the top cover rear cross beam 21, and the two reinforcing cavities are distributed in a front-back staggered manner, so that the strength and the rigidity of a joint part on the D column are improved.
The cross-sectional profile of the end of the roof rear cross member 21 in the front-rear direction of the vehicle body, the cross-sectional profile of the D-pillar inner panel 11 in the front-rear direction of the vehicle body, and the cross-sectional profile of the roof rear cross member reinforcing panel 22 in the front-rear direction of the vehicle body are stepped. Specifically, the end of the rear roof beam 21 includes a middle horizontal section 210, the D-pillar inner panel 11 includes a lower horizontal section 110, the rear roof beam reinforcing plate 22 includes an upper horizontal section 220, the front side of the middle horizontal section 210 and the upper horizontal section 220 are arranged at an interval from top to bottom to form a first reinforcing cavity 20, and the rear side of the middle horizontal section 210 and the lower horizontal section 110 are arranged at an interval from top to bottom to form a second reinforcing cavity 10.
The roof rear cross beam 21 is installed between the D column inner plate 11 and the roof rear cross beam reinforcing plate 22, the front side of the middle horizontal section 210 is attached to the upper side face of the D column inner plate 11, the rear side of the middle horizontal section 210 is attached to the lower side face of the upper horizontal section 220, the edge of the roof rear cross beam 21 is respectively connected with the edge of the D column inner plate 11 and the edge lap spot welding of the roof rear cross beam reinforcing plate 22, a reinforcing cavity of a three-layer plate is formed through multiple spot welding, and the strength and rigidity performance of the integral structure is improved.
In addition, top cap rear frame member 2 still includes hinge mounting panel 23, and hinge mounting panel 23 fixed mounting is between top cap rear frame member 22 and top cap rear frame member reinforcing plate 23, and hinge mounting panel 23 and top cap rear frame member reinforcing plate 22 unsmooth cooperation, supplies back of the body door hinge fixed mounting through hinge mounting panel 23, has ensured installation intensity and firm nature.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.

Claims (10)

1. A D-column upper joint structure is characterized by comprising a D-column assembly, a top cover rear cross beam assembly, a top cover body and a water flowing groove, wherein the top cover body is arranged on the upper side of the top cover rear cross beam assembly, and the water flowing groove is arranged on the outer side of the D-column assembly;
the top cover rear cross beam assembly comprises a top cover rear cross beam and a top cover rear cross beam reinforcing plate fixedly arranged on the upper side of the top cover rear cross beam, and the top cover rear cross beam reinforcing plate are enclosed to form a first reinforcing cavity;
the D column assembly comprises a D column inner plate, the end part of the top cover rear cross beam extends to the upper side of the D column inner plate and covers the D column inner plate, and the end part of the top cover rear cross beam is fixedly connected with the D column inner plate to form a second reinforcing cavity in an enclosing mode;
the end part of the top cover rear cross beam reinforcing plate extends to the outer side of the top cover body, and the end part of the top cover rear cross beam reinforcing plate is connected with the water flowing groove.
2. The D-pillar upper joint structure according to claim 1, wherein the D-pillar assembly further includes a D-pillar reinforcement plate installed between the D-pillar inner plate and the gutter channel, a rear portion of the D-pillar reinforcement plate is in concave-convex fit with an outer contour of the gutter channel, and the rear portion of the D-pillar reinforcement plate is also connected to an end portion of the roof rear cross member reinforcement plate.
3. The D-pillar upper joint structure according to claim 2, wherein the upper end of the D-pillar reinforcement plate on the rear side and the upper end of the gutter channel are respectively provided with a protrusion extending in the transverse direction.
4. The D-pillar upper joint structure according to claim 3, wherein the protrusion of the D-pillar reinforcement plate and the protrusion of the gutter channel are both concave-convex matched with the end profile of the roof rear cross member reinforcement plate.
5. The D-pillar upper joint structure according to claim 3 or 4, wherein the protrusion of the D-pillar reinforcement plate and the protrusion of the gutter channel are welded and fixed to the end of the roof rear cross member reinforcement plate.
6. The D-pillar upper joint structure according to claim 3 or 4, wherein the protrusion of the D-pillar reinforcement plate and the protrusion of the gutter channel are connected by lap welding.
7. The D-pillar upper joint structure according to any one of claims 1 to 3, wherein the end portion of the top cover rear cross beam overlaps the upper side of the D-pillar inner plate, the first reinforcement cavity is located on the upper side of the top cover rear cross beam, the second reinforcement cavity is located on the lower side of the top cover rear cross beam, and the first reinforcement cavity and the second reinforcement cavity are staggered front and back.
8. The D-pillar upper joint structure according to claim 7, wherein a cross-sectional profile of an end portion of the roof rear cross member in the vehicle body longitudinal direction, a cross-sectional profile of the D-pillar inner panel in the vehicle body longitudinal direction, and a cross-sectional profile of the roof rear cross member reinforcing plate in the vehicle body longitudinal direction are all stepped.
9. The D-pillar upper joint structure according to claim 8, wherein the end portion of the top cover rear beam includes a middle horizontal section, the D-pillar inner panel includes a lower horizontal section, the top cover rear beam reinforcement plate includes an upper horizontal section, a front side of the middle horizontal section and the upper horizontal section are vertically spaced to form the first reinforcement cavity, and a rear side of the middle horizontal section and the lower horizontal section are vertically spaced to form the second reinforcement cavity.
10. The D-pillar upper joint structure according to claim 1, wherein the top cover rear cross beam assembly further includes a hinge mounting plate, the hinge mounting plate is fixedly mounted between the top cover rear cross beam and the top cover rear cross beam reinforcing plate, and the hinge mounting plate and the top cover rear cross beam reinforcing plate are in concave-convex fit.
CN202121567463.8U 2021-07-09 2021-07-09 D-column upper joint structure Active CN215285006U (en)

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Application Number Priority Date Filing Date Title
CN202121567463.8U CN215285006U (en) 2021-07-09 2021-07-09 D-column upper joint structure

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Application Number Priority Date Filing Date Title
CN202121567463.8U CN215285006U (en) 2021-07-09 2021-07-09 D-column upper joint structure

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CN215285006U true CN215285006U (en) 2021-12-24

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CN202121567463.8U Active CN215285006U (en) 2021-07-09 2021-07-09 D-column upper joint structure

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114475797A (en) * 2022-03-11 2022-05-13 张家港长城汽车研发有限公司 Back door hinge mounting structure and car
CN115158477A (en) * 2022-07-14 2022-10-11 重庆长安汽车股份有限公司 Multi-functional top cap rear beam assembly structure and vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114475797A (en) * 2022-03-11 2022-05-13 张家港长城汽车研发有限公司 Back door hinge mounting structure and car
CN115158477A (en) * 2022-07-14 2022-10-11 重庆长安汽车股份有限公司 Multi-functional top cap rear beam assembly structure and vehicle
CN115158477B (en) * 2022-07-14 2023-10-27 重庆长安汽车股份有限公司 Multifunctional top cover rear cross beam assembly structure and vehicle

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