CN217672851U - D-ring frame and vehicle - Google Patents
D-ring frame and vehicle Download PDFInfo
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- CN217672851U CN217672851U CN202222201107.5U CN202222201107U CN217672851U CN 217672851 U CN217672851 U CN 217672851U CN 202222201107 U CN202222201107 U CN 202222201107U CN 217672851 U CN217672851 U CN 217672851U
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Abstract
The utility model discloses a D ring frame and vehicle, wherein D ring frame includes: the D post, top cap crossbeam and back floor rear frame member, the D post is equipped with two, two D posts are parallel mutually, the upper end of two D posts is connected respectively at the both ends of top cap crossbeam, back floor rear frame member is including in the extending direction of back floor rear frame member, back floor rear frame member is equipped with two floor longeron joining regions, back floor rear frame member includes that at least part is located two floor longeron joining regions subtract heavy section, and connect respectively and subtract two linkage segments at heavy section both ends, a linkage segment correspondence is connected with a D post, the thickness that subtracts heavy section is less than the thickness of linkage segment. The technical scheme of the utility model aim at reducing the weight of D ring frame, make the weight of installing the vehicle of this D ring frame less.
Description
Technical Field
The utility model relates to the technical field of vehicles, in particular to D ring frame and vehicle.
Background
The D-ring frame is a part of a vehicle, has the functions of bearing torque, improving bending rigidity and improving side impact and collision resistance, and is heavier at present, so that the vehicle provided with the D-ring frame is heavier.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a D ring frame aims at reducing the weight of D ring frame, makes the weight of the vehicle of installing this D ring frame less.
In order to achieve the above object, the utility model provides a D ring frame includes:
the number of the D columns is two, and the two D columns are parallel;
the two ends of the top cover beam are respectively connected with the upper ends of the two D columns; and
the rear floor rear cross beam is provided with two floor longitudinal beam connecting areas in the extending direction of the rear floor rear cross beam, the rear floor rear cross beam comprises a weight reducing section at least partially positioned between the two floor longitudinal beam connecting areas and two connecting sections respectively connected with two ends of the weight reducing section, one connecting section is correspondingly connected with one D column, and the thickness of the weight reducing section is smaller than that of the connecting section.
Optionally, one end of the weight-reduced section extends to at least one side of one floor longitudinal beam connecting area close to the corresponding D-pillar, and the other end of the weight-reduced section extends to at least one side of the other floor longitudinal beam connecting area close to the corresponding D-pillar.
Optionally, the connecting section includes a first sub-connecting section consistent with the extending direction of the weight-reducing section, and a second sub-connecting section arranged obliquely downwards in a direction close to the corresponding D-pillar, the second sub-connecting section is connected with the corresponding D-pillar, the two first sub-connecting sections are respectively connected with two ends of the weight-reducing section, and the weight-reducing section exceeds the two floor longitudinal beam connecting areas.
Optionally, the connecting section has a thickness in the range of 2.0mm to 3.0mm.
Optionally, the thickness of the weight-reducing section ranges from 1.2mm to 1.6mm.
Optionally, the weight-reducing section and the connecting section are in smooth transition.
Optionally, sub-boards with different thicknesses are connected into a board through laser tailor welding, and the board is formed into the rear floor rear cross beam through a stamping process.
Optionally, at least two of the sub-sheets have different steel types.
Alternatively, one plate material having a different thickness by a continuous variable thickness rolling process is formed into the rear floor rear cross member by a stamping process.
The utility model discloses still provide a vehicle, including aforementioned D ring frame.
The technical scheme of the utility model, D ring frame includes the D post, top cap crossbeam and back floor back beam, thickness through lightening back floor back beam reduces the weight of D ring frame, thereby make the weight of installing the vehicle of this D ring frame less, wherein back floor back beam has subtracts heavy section, and linkage segment, the thickness that subtracts heavy section is less than the thickness of linkage segment, thereby reduce the weight of back floor back beam, wherein subtract heavy section and have at least part to be located between two floor longeron joining regions, can make back floor back beam under guaranteeing the turn-round rigidity and the collision safety restraint condition, lighten the weight of back floor back beam.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural view of an embodiment of a D-ring frame of the present invention;
FIG. 2 is a schematic structural view of the rear floor cross member and the floor longitudinal member of FIG. 1 after being connected;
FIG. 3 is a front view of the rear floor cross rail of FIG. 2 after connection with a floor rail.
The reference numbers illustrate:
the realization, the functional characteristics and the advantages of the utility model are further explained by combining the embodiment and referring to the attached drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In the present application, unless expressly stated or limited otherwise, the terms "connected" and "secured" are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
The D ring frame is a part of vehicle, and D ring frame has the moment of torsion of bearing, improves the turn-round rigidity, improves the effect that the anticollision performance was bumped to the side, and the weight of present D ring frame is heavier for the vehicle that is equipped with this D ring frame is heavier, for this reason, the utility model provides a D ring frame aims at reducing the weight of D ring frame, makes the weight of installing the vehicle of this D ring frame less.
Referring to fig. 1 to 3, in an embodiment of the present invention, the D-ring frame includes:
the number of the D columns is two, and the two D columns are parallel;
a top cover beam 300, both ends of which are respectively connected with the upper ends of the two D-pillars; and
the rear floor rear cross beam 400 is provided with two floor longitudinal beam connection areas 423 in the extending direction of the rear floor rear cross beam 400, the rear floor rear cross beam 400 comprises a weight reduction section 421 at least partially positioned between the two floor longitudinal beam connection areas 423 and two connection sections 422 respectively connected with two ends of the weight reduction section 421, one connection section 422 is correspondingly connected with one D column, and the thickness of the weight reduction section 421 is smaller than that of the connection section 422.
The technical scheme of the utility model, D ring frame includes the D post, top cap crossbeam 300 and back floor back end beam 400, thickness through lightening back floor back end beam 400 reduces the weight of D ring frame, thereby make the weight of installing the vehicle of this D ring frame less, wherein back floor back end beam 400 has subtracts heavy section 421, and linkage segment 422, the thickness that subtracts heavy section 421 is less than linkage segment 422's thickness, thereby reduce back floor back end beam 400's weight, it has at least the part to be located between two floor longeron joining regions 423 to subtract heavy section 421 wherein, can make back floor back end beam 400 under guaranteeing turn round rigidity and collision safety restraint condition, alleviate back floor back end beam 400's weight.
It is appreciated that floor rail attachment area 423 is used to attach floor rail 500.
Optionally, in an embodiment, one end of the weight-reducing section 421 extends at least to a side of one of the floor longitudinal beam connection areas 423 near the corresponding D-pillar, and the other end extends at least to a side of the other floor longitudinal beam connection area 423 near the corresponding D-pillar, so as to further reduce the weight of the rear floor cross member 400.
Optionally, the connecting section 422 includes a first sub-connecting section that is consistent with the extending direction of the weight-reducing section 421, and a second sub-connecting section that is disposed in a downward inclined manner in a direction close to the corresponding D-pillar, where the second sub-connecting section is connected to the corresponding D-pillar, the two first sub-connecting sections are respectively connected to two ends of the weight-reducing section 421, and the weight-reducing section 421 exceeds the two floor longitudinal beam connecting areas 423, so as to further reduce the weight of the rear floor rear cross beam 400.
Alternatively, in an embodiment, the thickness of the connecting section 422 is in a range of 2.0mm to 3.0mm, it is understood that if the thickness is small, the structural strength of the rear floor rear cross member 400 is low, so that the safety of the vehicle equipped with the D-ring frame is low, and if the thickness is large, the rear floor rear cross member 400 is heavy, so that the weight of the vehicle equipped with the D-ring frame is increased, and thus, when the thickness is also in a range of 2.0mm to 3.0mm, both the structural strength of the rear floor rear cross member 400 is high, the mountability of the vehicle equipped with the D-ring frame is high, and the weight of the vehicle is low. Specifically, in one embodiment, the thickness of the connection segment 422 may be 2.6mm.
Alternatively, in an embodiment, the thickness of the weight-reduction section 421 is in a range of 1.2mm to 1.6mm, it is understood that if the thickness is smaller, the structural strength of the rear floor rear cross member 400 is lower, so that the safety of the vehicle equipped with the D-ring frame is lower, and if the thickness is larger, the rear floor rear cross member 400 is heavier, so that the weight of the vehicle equipped with the D-ring frame is increased, and thus, when the thickness is in a range of 1.2mm to 1.6mm, the structural strength of the rear floor rear cross member 400 is higher, the mountability of the vehicle equipped with the D-ring frame is higher, and the weight of the vehicle is lower. Specifically, in one embodiment, the connecting segment 422 may have a thickness of 1.5mm.
Optionally, in an embodiment, the weight-reducing section 421 and the connecting section 422 are in smooth transition, so as to avoid stress concentration at the connection between the weight-reducing section 421 and the connecting section 422.
Optionally, in an embodiment, sub-boards with different thicknesses are connected to form a board by laser tailor welding, the board forms the rear floor rear cross beam 400 by a stamping process, laser tailor welding is one of effective means for realizing light weight of the D-ring frame, the overall strength of the welded board is high, and the stamping forming rate of the welded board is also high, specifically, in an embodiment, two sub-boards are respectively used to form two connecting sections 422, and one sub-board is used to form a weight-reducing section 421, it is worth mentioning that a bottom board 420 and a side board 410 which are connected in an angle are formed after stamping the board is stamped, wherein the bottom board 420 is parallel to a horizontal plane, the side board 410 is disposed above the bottom board 420, and the side board 410 extends in an up-down direction.
It is understood that the laser tailor welded joint can connect sub-boards of different types together, and optionally, in an embodiment, at least two of the sub-boards have different steel types, so that the board forming the connecting section 422 is made of a steel type with common strength, so that the connecting section 422 has a normal thickness, and the board forming the weight reducing section 421 is made of a steel type with high strength, so that the weight reducing section 421 has a reduced thickness, so that the rear floor rear cross member 400 reduces the weight of the rear floor rear cross member 400 under the condition of ensuring bending rigidity and collision safety constraint. Specifically, in one embodiment, the steel type of the weight-reducing section 421 is different from the steel type of the connecting section 422, wherein the steel type of the weight-reducing section 421 may be selected, but not limited to, HC420/780DP, and the steel type of the connecting section 422 may be selected, but not limited to, HC340/590DP.
The different thicknesses of the plate material can be achieved not only by the laser tailor welding but also by other means, for example, in an embodiment, a plate material having different thicknesses by a continuous variable thickness rolling process is formed by the plate material forming the rear floor rear cross member 400 by a stamping process.
The utility model discloses still provide a vehicle, this vehicle includes aforementioned D ring frame, and the concrete structure of this D ring frame refers to above-mentioned embodiment, because this vehicle has adopted the whole technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here.
The above is only the optional embodiment of the present invention, and not limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the attached drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.
Claims (10)
1. A D-ring frame, comprising:
two D columns are arranged, and the two D columns are parallel;
the two ends of the top cover beam are respectively connected with the upper ends of the two D columns; and
the rear floor rear cross beam is provided with two floor longitudinal beam connecting areas in the extending direction of the rear floor rear cross beam, the rear floor rear cross beam comprises a weight reducing section at least partially positioned between the two floor longitudinal beam connecting areas and two connecting sections respectively connected with two ends of the weight reducing section, one connecting section is correspondingly connected with one D column, and the thickness of the weight reducing section is smaller than that of the connecting section.
2. The D-ring frame as defined in claim 1 wherein said lightening segment extends at one end to at least one side of one of said floor stringer attachment areas adjacent a corresponding said D-pillar and at another end to at least one side of another of said floor stringer attachment areas adjacent a corresponding said D-pillar.
3. The D-ring frame as claimed in claim 2, wherein said connecting section includes a first sub-connecting section extending in the same direction as said weight-reduced section, and a second sub-connecting section inclined downward in a direction close to the corresponding D-pillar, said second sub-connecting section being connected to the corresponding D-pillar, said two first sub-connecting sections being connected to two ends of said weight-reduced section, respectively, said weight-reduced section exceeding two said floor stringer connecting areas.
4. The D-ring frame of claim 3, wherein the connecting segment has a thickness in a range of 2.0mm to 3.0mm.
5. The D-ring frame of claim 3, wherein the weight-reduced section has a thickness in a range of 1.2mm to 1.6mm.
6. The D-ring frame of claim 3, wherein the lightening section and the connecting section are smoothly transitioned.
7. The D-ring frame of claim 3, wherein sub-panels of different thicknesses are joined by laser tailor welding into a single panel that is formed into the rear floor rear cross member by a stamping process.
8. The D-ring frame of claim 7 wherein at least two of said sub-sheets differ in steel type.
9. The D-ring frame as claimed in claim 1, wherein one plate material having different thicknesses through a continuous variable thickness rolling process forms the rear floor rear cross member through a stamping process.
10. A vehicle characterized by comprising the D-ring frame according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222201107.5U CN217672851U (en) | 2022-08-19 | 2022-08-19 | D-ring frame and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222201107.5U CN217672851U (en) | 2022-08-19 | 2022-08-19 | D-ring frame and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217672851U true CN217672851U (en) | 2022-10-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222201107.5U Active CN217672851U (en) | 2022-08-19 | 2022-08-19 | D-ring frame and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217672851U (en) |
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2022
- 2022-08-19 CN CN202222201107.5U patent/CN217672851U/en active Active
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