CN218258369U - Car D post structure and car - Google Patents
Car D post structure and car Download PDFInfo
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- CN218258369U CN218258369U CN202222620069.7U CN202222620069U CN218258369U CN 218258369 U CN218258369 U CN 218258369U CN 202222620069 U CN202222620069 U CN 202222620069U CN 218258369 U CN218258369 U CN 218258369U
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Abstract
The utility model provides a car D post structure and car, the utility model discloses a car D post structure includes the D post body, the D post body adopts extrusion aluminium alloy to make, just the top of D post body extends to car the place ahead to link to each other with the rear end of roof upper limit roof beam, the bottom of D post body is connected on the back floor longeron. The utility model discloses a car D post structure makes it adopt the extrusion aluminium alloy to make, and its both ends link to each other with top cap roof side rail and back floor longeron respectively, and the preparation of the D post of can being convenient for can guarantee D post structural strength to be favorable to the lightweight design of whole car, and have fine practicality.
Description
Technical Field
The utility model relates to an automobile body technical field, in particular to car D post structure. The utility model discloses still relate to the car that is equipped with above-mentioned car D post structure.
Background
The D-pillar is one of important parts of the rear part of the vehicle body, and has an important influence on the overall structural strength of the rear part of the vehicle body and the torsional rigidity of the rear part of the vehicle body. Among the prior art, the D post of car is formed by punching press sheet metal component seam usually, though it can make the D post have sufficient structural strength, but the D post structure of sheet metal structure seam not only is not convenient for the preparation of D post, causes the cost of manufacture higher, and simultaneously, it also does not benefit to the reduction of D post weight, and is unfavorable for the lightweight design of whole car.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a car D post structure to can be convenient for the preparation of D post, and be favorable to whole car lightweight design.
In order to achieve the above purpose, the technical scheme of the utility model is realized like this:
the utility model provides a car D post structure, includes the D post body, the D post body adopts extruded aluminium alloy to make, just the top of D post body extends to car the place ahead to link to each other with the rear end of roof upper edge beam, the bottom of D post body is connected on the floor longeron of back.
Further, the outer contour of the cross section of the D-pillar body is in a closed ring shape.
Further, a partition plate is integrally formed in the D column body, and the partition plate extends from the bottom end of the D column body to the top end of the D column body; and/or two ends of the D column body are sealed through foaming glue or structural glue.
Furthermore, the top end of the D column body is lapped on the top cover upper edge beam and is fixedly connected with the top cover upper edge beam through FDS.
Furthermore, the bottom end of the D-shaped column body is connected with the rear floor longitudinal beam through a connecting piece.
Further, the connecting piece is made of extruded aluminum profiles.
Further, the D column body is connected with the connecting piece through MIG welding, and/or the connecting piece is connected with the rear floor longitudinal beam through MIG welding.
Furthermore, the outer side of the rear floor longitudinal beam is provided with a lap edge which extends outwards along the width direction of the automobile, the lap edge is arranged close to the top of the rear floor longitudinal beam, and the upper surface of the lap edge is connected with the upper surface of the rear floor longitudinal beam through an inclined transition surface;
the bottom of D post body is connected the top of connecting piece, the bottom of connecting piece has the overlap joint and is in first coupling part on the back floor longeron upper surface, and the overlap joint is in second coupling part on the overlap joint edge upper surface, just the width of second coupling part on car width direction from top to bottom sets up gradually for a short time, one of them side overlap joint of second coupling part is in on the transition surface.
Compared with the prior art, the utility model discloses following advantage has:
car D post structure, make it adopt the extrusion aluminium alloy to make, and its both ends link to each other with top cap roof side rail and back floor longeron respectively, the preparation of the D post of can being convenient for can guarantee D post structural strength to be favorable to the lightweight design of whole car, and have fine practicality.
In addition, the outline of the D column body is in a closed ring shape, and the structural strength of the D column can be improved by utilizing the characteristic of high structural strength of a closed cavity. The D post is provided with a partition plate in the body, and the two ends of the D post are sealed through foaming glue or structural glue, so that the structural strength of the D post can be further improved. The D column body is connected with the top cover upper edge beam through FDS, and the D column body is connected with the rear floor longitudinal beam through a connecting piece, so that the D column body can be connected conveniently, and the connecting effect can be ensured.
In addition, the connecting piece adopts an extruded aluminum profile, so that the preparation of the connecting piece is convenient, and the structural strength of the connecting piece can be ensured. Carry out between D post body and the connecting piece through MIG welding to and be connected between connecting piece and the back floor longeron, the connected mode is simple, and can guarantee the connection effect. Then the setting of overlap edge on the floor longeron to and make the width of second linkage portion on the connecting piece set up little gradually, also can improve joint strength between connecting piece and the back floor longeron.
Another object of the present invention is to provide a car, wherein the car D-pillar structure is provided in the car.
Further, the rear floor longitudinal beam comprises a front rear floor longitudinal beam section formed by die-casting and a rear floor longitudinal beam section connected to the rear end of the front rear floor longitudinal beam section;
the rear floor longitudinal beam rear section is made of extruded aluminum profiles, and the bottom end of the D column body is connected to the longitudinal beam rear section; or, the rear floor longitudinal beam rear section comprises a longitudinal beam rear section front part and a longitudinal beam rear section rear part which are sequentially connected, the longitudinal beam rear section front part is formed by die casting, the longitudinal beam rear section rear part is made of extruded aluminum profiles, and the bottom end of the D-column body is connected to the longitudinal beam rear section rear part.
The car set up foretell car D post structure, the preparation of the D post of can being convenient for guarantees D post structural strength, also is favorable to the lightweight design of whole car, and has fine practicality.
In addition, the front section of the rear floor longitudinal beam is formed by die-casting, the rear section of the rear floor longitudinal beam is made of an extruded aluminum profile, or the rear section of the rear floor longitudinal beam is formed by connecting the front section of the rear section of the longitudinal beam formed by die-casting and the rear section of the longitudinal beam formed by extruding the aluminum profile, so that the whole rear floor longitudinal beam can be conveniently prepared, the structural strength of the rear floor longitudinal beam is ensured, and meanwhile, the convenience of length adjustment of the extruded aluminum profile is utilized, the whole length of the rear floor longitudinal beam can be also favorably adjusted, and different design requirements can be met.
Drawings
The accompanying drawings, which form a part of the present disclosure, are included to provide a further understanding of the present disclosure, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present disclosure and together with the description serve to explain the present disclosure. In the drawings:
fig. 1 is a schematic view illustrating a D-pillar structure according to an embodiment of the present invention disposed in an automobile;
fig. 2 is a schematic view of the connection between the D-pillar structure and the roof side rail and the rear floor stringer according to the embodiment of the present invention;
fig. 3 is a schematic cross-sectional view of a D-pillar body according to an embodiment of the present invention;
fig. 4 is a schematic view of a connecting member according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a connecting member according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a rear floor stringer according to an embodiment of the present invention;
description of reference numerals:
1. a rear floor stringer; 2. a D column body; 3. the top cover is provided with an edge beam; 4. a column B; 5. c column; 6. a threshold beam; 7. a connecting member;
101. a rear floor stringer front section; 102. a rear floor stringer rear section; 1021. the front part of the rear section of the longitudinal beam; 1022. the rear part of the rear section of the longitudinal beam; 103. overlapping edges; 104. a transition surface;
201. a partition plate;
701. a D-pillar connecting surface; 702. a first connecting portion; 703. a second connection portion; 7031. a side wall.
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 instead intended to cover the same item.
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 may 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. To those of ordinary skill in the art, the specific meaning of the above terms in the present invention can be understood in combination with the specific situation.
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Example one
The embodiment relates to an automobile D column structure, which can facilitate the preparation of a D column and is beneficial to the lightweight design of a whole automobile.
In the overall structure, as shown in fig. 1 and fig. 2, the D-pillar structure of the vehicle of the present embodiment includes a D-pillar body 2, the D-pillar body 2 is made of extruded aluminum profile, and the top end of the D-pillar body 2 extends toward the front of the vehicle and is connected to the rear end of the roof side rail 3, and the bottom end of the D-pillar body 2 is connected to the rear floor side rail 1.
Specifically, referring still to fig. 1, similarly to the body structure of the conventional automobile, D-pillar bodies 2 are provided on the left and right sides of the rear portion of the automobile, respectively, and the D-pillar bodies 2 on each side are connected between the rear floor frames 1 and the roof side rail 3 on the corresponding side. In addition, in the vehicle body of the automobile of the present embodiment, the front end of the rear floor side member 1 is connected to the rocker beam 6, the C-pillar 5 is connected between the rear end of the rocker beam 6 and the D-pillar body 2, and the B-pillar 4 is also connected between the rocker beam 6 and the roof side rail 3. The beam structures, the rear floor beam, the roof beam and the like form an integral frame at the rear part of the vehicle body through connection.
In the present embodiment, as a preferred embodiment, as shown in fig. 3, the outer contour of the cross section of the D-pillar body 2 is a closed ring shape. Furthermore, a partition 201 is also integrally formed in the D-pillar body 2, and the partition 201 extends from the bottom end of the D-pillar body 2 to the top end of the D-pillar body 2. So for the outline of D post body 2 is the confined cyclic annular, and the characteristics that usable closed cavity structural strength is big promote the structural strength of D post. And set up baffle 201 in the D post body 2, then can further promote the holistic structural strength of D post.
On the basis that the cross section of the D-pillar body 2 is a closed ring, preferably, in specific implementation, the embodiment may seal both ends of the D-pillar body 2 by using foam glue or structural glue. Through sealed, not only can avoid intaking in the D post body 2 or other debris, simultaneously, this is sealed also can increase the structural strength of 2 both ends positions of D post body to improve the connection reliability between D post body 2 and top cap roof side rail 3 and the back floor longeron 1.
In this embodiment, as a preferred embodiment, in the concrete implementation, the top end of the D-pillar body 2 is overlapped on the roof side rail 3, and is fixedly connected to the roof side rail 3 by FDS (Flow Drill screen). Moreover, roof side rail 3 generally comprises roof side rail inner panel and the roof side rail reinforcing plate that the lock links to each other, and at this moment, the front end of D post body 2 generally presss from both sides and establishes between above-mentioned roof side rail inner panel and roof side rail reinforcing plate, and simultaneously, roof side rail inner panel and roof side rail reinforcing plate all link to each other with D post body 2 through FDS alright.
Make D post body 2 and top cap roof side rail 3 pass through FDS and connect, can be convenient for carry out the connection between the two to can guarantee the connection effect. As a preferred embodiment, in conjunction with fig. 4 and 5, the present embodiment specifically connects the bottom end of the D-pillar body 2 to the rear floor stringer 1 through the connecting member 7, with respect to the connection between the D-pillar body 2 and the rear floor stringer 1. The connecting piece 7 is convenient for connecting the D column body 2 and the rear floor longitudinal beam 1, and can also ensure the connecting effect between the two.
In particular, preferably, the connecting member 7 is made of extruded aluminum profile, and the D-pillar body 2 and the connecting member 7 can be connected by MIG Welding (Melt Inert-gas Welding), and the connecting member 7 and the rear floor stringer 1 can also be connected by MIG Welding. Therefore, the connecting piece 7 is made of extruded aluminum profiles, so that the manufacturing of the connecting piece is facilitated, and meanwhile, the structural strength of the connecting piece 7 can be ensured. And carry out between D post body 2 and connecting piece 7 through the MIG welding to and connecting between connecting piece 7 and the back floor longeron 1, it then has the connected mode simple, and can guarantee the advantage of connection effect.
In the present embodiment, as shown in fig. 4 and 5, the outer side of the rear floor side member 1 is provided with a joint side 103 extending outward in the vehicle width direction, the joint side 103 is also provided near the top of the rear floor side member 1, and the upper surface of the joint side 103 is connected to the upper surface of the rear floor side member 1 via an inclined transition surface 104.
The bottom end of the D-pillar body 2 is connected to the top of the connecting member 7, and is specifically connected to the D-pillar connecting surface 701 on the connecting member 7 by MIG welding. In addition, the bottom portion of the connecting member 7 has a first connecting portion 702 that overlaps the upper surface of the rear floor rail 1, and a second connecting portion 703 that overlaps the upper surface of the overlapping edge 103.
The width k of the second connecting portion 703 in the width direction of the vehicle is gradually decreased from top to bottom, so that the second connecting portion 703 is similar to a "V" shaped structure with a planar bottom, and at the same time, one side of the second connecting portion 703, that is, the side wall 7031 close to the transition surface 104, is overlapped on the transition surface 104.
After the parts of the connecting member 7 are overlapped with the rear floor longitudinal beam 1 and the overlapping edge 103 thereon, welding can be performed by MIG welding to fixedly connect the connecting member 7 and the rear floor longitudinal beam 1 together. In this embodiment, the connecting strength between the connecting member 7 and the rear floor longitudinal beam 1 can be improved by setting the overlapping edge 103 on the rear floor longitudinal beam 1 and setting the width k of the second connecting portion 703 of the connecting member 7 to be gradually reduced, thereby ensuring the connection reliability between the D-pillar body 2 and the rear floor longitudinal beam 1.
Of course, in addition to the above-mentioned connection manners, other conventional connection manners in the existing automobile production field can be adopted between the D pillar body 2 and the roof side rail 3, between the D pillar body 2 and the rear floor longitudinal beam 1, even between the D pillar body 2 and the connecting member 7, and between the connecting member 7 and the rear floor longitudinal beam 1 in this embodiment, as long as the connection between each other can be realized, and the connection effect can be ensured.
The automobile D column structure of this embodiment is made through making it adopt extruded aluminum profile to its both ends link to each other with top cap roof side rail 3 and back floor longeron 1 respectively, and the preparation of the D column of not only being convenient for also can guarantee D column structural strength simultaneously, and be favorable to the lightweight design of whole car, and have fine practicality.
Example two
The embodiment relates to an automobile, and the automobile D column structure in the first embodiment is arranged in the automobile.
Specifically, the structure of the automobile of the present embodiment can still be seen from fig. 1, and in the present embodiment, in combination with that shown in fig. 2, the rear floor side member 1 also includes a front rear floor side member section 101 formed by die-casting, and a rear floor side member rear section 102 connected to a rear end of the front rear floor side member section 101.
The front section 101 of the rear floor stringer is preferably formed by die-casting cast aluminum, and as a possible embodiment, the rear section 102 of the rear floor stringer is made of extruded aluminum profile, and the bottom end of the D-pillar body 2 is connected to the rear section 102 of the rear floor stringer.
In addition to the above-described structure, as another possible embodiment, as shown in fig. 6, the rear floor side member rear section 102 of the present embodiment specifically includes a side member rear section front portion 1021 and a side member rear section rear portion 1022 which are connected in series. At this time, the front part 1021 of the rear section of the longitudinal beam is formed by die-casting, and can also be formed by die-casting cast aluminum, the rear part 1022 of the rear section of the longitudinal beam is made of extruded aluminum profile, and the bottom end of the D-pillar body 2 is connected to the rear part 1022 of the rear section of the longitudinal beam.
By making the rear floor stringer front section 101 die-cast and making the rear floor stringer rear section 102 made of extruded aluminium profile, or by making the rear floor stringer rear section 102 connected by a die-cast stringer rear section front part 1021 and a stringer rear section rear part 1022 made of extruded aluminium profile. This embodiment can be convenient for the holistic preparation of back floor longeron 1, guarantees its structural strength, meanwhile, utilizes the convenience of extrusion aluminium alloy length adjustment, and it also helps the regulation of 1 whole length in back floor longeron to adapt to different design demands, and can promote the convenience of whole car design.
The car of this embodiment sets up the car D post structure in embodiment one, and its preparation that can be convenient for the D post can guarantee D post structural strength, also is favorable to the lightweight design of whole car simultaneously, and has fine practicality.
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 car D post structure which characterized in that:
including D post body (2), D post body (2) adopt extruded aluminium alloy to make, just the top of D post body (2) extends to car the place ahead to link to each other with the rear end of top cap roof side rail (3), the bottom of D post body (2) is connected on back floor longeron (1).
2. The automotive D-pillar structure according to claim 1, characterized in that:
the outer contour of the cross section of the D column body (2) is closed annular.
3. The automotive D-pillar structure according to claim 2, characterized in that:
a partition plate (201) is integrally formed in the D column body (2), and the partition plate (201) extends from the bottom end of the D column body (2) to the top end of the D column body (2); and/or two ends of the D column body (2) are sealed through foaming glue or structural glue.
4. The automotive D-pillar structure according to claim 1, characterized in that:
the top end of the D column body (2) is overlapped on the top cover upper edge beam (3) and is fixedly connected with the top cover upper edge beam (3) through FDS.
5. The automotive D-pillar structure according to any one of claims 1 to 4, characterized in that:
the bottom end of the D-shaped column body (2) is connected with the rear floor longitudinal beam (1) through a connecting piece (7).
6. The automotive D-pillar structure according to claim 5, characterized in that:
the connecting piece (7) is made of extruded aluminum profiles.
7. The automotive D-pillar structure according to claim 6, characterized in that:
the D column body (2) is connected with the connecting piece (7) through MIG welding, and/or the connecting piece (7) is connected with the rear floor longitudinal beam (1) through MIG welding.
8. The automotive D-pillar structure according to claim 6, characterized in that:
the outer side of the rear floor longitudinal beam (1) is provided with a lapping edge (103) which extends outwards along the width direction of the automobile, the lapping edge (103) is arranged close to the top of the rear floor longitudinal beam (1), and the upper surface of the lapping edge (103) is connected with the upper surface of the rear floor longitudinal beam (1) through an inclined transition surface (104);
the bottom of D post body (2) is connected the top of connecting piece (7), the bottom of connecting piece (7) has the overlap joint and is in first connecting portion (702) on back floor longeron (1) upper surface, and the overlap joint is in second connecting portion (703) on overlap edge (103) upper surface, just second connecting portion (703) are from top to bottom little setting gradually in the ascending width of car width direction, one of them side overlap joint of second connecting portion (703) is in on transition face (104).
9. An automobile, characterized in that:
the automobile is provided with the automobile D-pillar structure of any one of claims 1 to 8.
10. The automobile of claim 9, wherein:
the rear floor longitudinal beam (1) comprises a front rear floor longitudinal beam section (101) formed by die-casting and a rear floor longitudinal beam rear section (102) connected to the rear end of the front rear floor longitudinal beam section (101);
the rear floor longitudinal beam rear section (102) is made of extruded aluminum profiles, and the bottom end of the D-column body (2) is connected to the rear floor longitudinal beam rear section (102); or the rear floor longitudinal beam rear section (102) comprises a longitudinal beam rear section front part (1021) and a longitudinal beam rear section rear part (1022) which are sequentially connected, the longitudinal beam rear section front part (1021) is formed by die casting, the longitudinal beam rear section rear part (1022) is made of extruded aluminum profiles, and the bottom end of the D-pillar body (2) is connected to the longitudinal beam rear section rear part (1022).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222620069.7U CN218258369U (en) | 2022-09-29 | 2022-09-29 | Car D post structure and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222620069.7U CN218258369U (en) | 2022-09-29 | 2022-09-29 | Car D post structure and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218258369U true CN218258369U (en) | 2023-01-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222620069.7U Active CN218258369U (en) | 2022-09-29 | 2022-09-29 | Car D post structure and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218258369U (en) |
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2022
- 2022-09-29 CN CN202222620069.7U patent/CN218258369U/en active Active
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