CN209888953U - Floor frame construction and have its vehicle behind vehicle - Google Patents
Floor frame construction and have its vehicle behind vehicle Download PDFInfo
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- CN209888953U CN209888953U CN201920273084.4U CN201920273084U CN209888953U CN 209888953 U CN209888953 U CN 209888953U CN 201920273084 U CN201920273084 U CN 201920273084U CN 209888953 U CN209888953 U CN 209888953U
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Abstract
The utility model provides a floor frame construction behind vehicle and have its vehicle, including the longeron of locating the vehicle both sides with locate crossbeam between the longeron, the longeron include front longitudinal, rigid coupling in the back longeron of front longitudinal rear end and be used for with the vehicle on the vehicle body assembly be connected the longeron, the front longitudinal back the longeron with the crossbeam is the aluminium structure, it is the steel construction to connect the longeron, it locates to connect the longeron the front longitudinal with the outside of back longeron. The utility model adopts the aluminum sheet metal parts as the front longitudinal beam, the rear longitudinal beam and the cross beam, adopts the steel sheet metal parts as the connecting longitudinal beam, and simultaneously ensures the structural strength and rigidity of the rear frame of the vehicle body by adding the connecting longitudinal beam to effectively connect the upper vehicle body of the vehicle and the front floor frame structure of the vehicle; meanwhile, the problem that the steel car body is overweight is solved, and the light-weight design of the car body is reflected.
Description
Technical Field
The utility model relates to a vehicle automobile body field especially relates to a floor frame construction and have its vehicle behind vehicle.
Background
The frame structure of the rear floor of the main stream of the current vehicle-type body-in-white is formed by splicing and welding steel parts, the rear floor structure generally comprises a plurality of steel stamping parts, the number of the parts is large, the structure is complex, and the welding precision of the assembly is not high; the steel frame structure needs to add parts at the rear longitudinal beam frame of the vehicle body to improve the rigidity and the strength of the joint, fully fills the installation of the foot bottom disc part and ensures the performance of the rear end, so that the key points of good material selection and proper structural design are particularly realized.
SUMMERY OF THE UTILITY MODEL
In view of the above, it is desirable to provide a vehicle rear floor frame structure and a vehicle having the same that can solve the above various problems.
The utility model provides a floor frame construction behind vehicle, including the longeron of locating the vehicle both sides with locate crossbeam between the longeron, the longeron include front longitudinal, rigid coupling in the back longeron of front longitudinal rear end and be used for with the vehicle on the automobile body assembly be connected the longeron, front longitudinal back longeron with the crossbeam is the aluminium structure, it is the steel construction to connect the longeron, it locates to connect the longeron front longitudinal with the outside of back longeron.
In one embodiment, the longitudinal beam and the transverse beam are connected through hot melting self-tapping drill-rivet.
In one embodiment, the front longitudinal beam is an I-shaped cast aluminum structure, the rear longitudinal beam is a closed cavity type extruded aluminum structure, the connecting longitudinal beam is an L-shaped steel stamping structure, and the front longitudinal beam and the rear longitudinal beam are connected to the connecting longitudinal beam through self-piercing riveting and hot-melt self-tapping drilling riveting.
In one embodiment, the cross beam comprises a first cross beam and a second cross beam which are arranged at the joint of the front longitudinal beam and the connecting longitudinal beam, and a third cross beam which is arranged at the joint of the rear longitudinal beam and the connecting longitudinal beam, the first cross beam, the second cross beam and the third cross beam are closed cavity structures formed by extruded aluminum, and the second cross beam is tower-connected with the first cross beam and forms a closed force transmission cavity structure together with the front longitudinal beam and the connecting longitudinal beam.
In one embodiment, the first beam comprises a first side plate and a second side plate, wherein the first side plate is arranged oppositely, and the second side plate is vertically arranged between the first side plates to form a parallelogram closed cavity; the second cross beam comprises a third side plate and a fourth side plate, wherein the third side plate is arranged oppositely, the fourth side plate is obliquely arranged between the third side plates to form a square closed cavity, a first tower connecting plate formed by extending outwards is arranged at the joint of the third side plate and the fourth side plate, and a second tower connecting plate connected with the first tower connecting plate in a tower manner is arranged at the joint of the first side plate and the second side plate; the first cross beam is provided with a fourth tower connecting plate opposite to the second tower connecting plate, the second cross beam is provided with a third tower connecting plate opposite to the first tower connecting plate, and a force transmission channel with a Z-shaped trend is formed jointly through the splicing welding of the square closed cavity, the parallelogram closed cavity, the third tower connecting plate, the fourth tower connecting plate and the longitudinal beam.
In one embodiment, the first side plate and the third side plate are horizontally arranged, the first tower connecting plate is formed by extending the end of the fourth side plate outwards, the first tower connecting plate is parallel to the second tower connecting plate, the third tower connecting plate is formed by extending the third side plate outwards, and the fourth tower connecting plate is formed by extending the end of the first side plate outwards.
In one embodiment, a subframe mounting point is formed on the front side member, a battery mounting point is formed on the first cross member, and a seat mounting point is formed on the second cross member.
In one embodiment, a side wall connecting plate for connecting a side wall wheel cover reinforcing beam of the vehicle is arranged near the connection position of the rear longitudinal beam and the third cross beam, and the side wall connecting plate is positioned at the lower part of the rear shock absorber area of the vehicle.
In one embodiment, the vehicle rear floor frame structure further includes a floor disposed between the longitudinal beam and the cross beam, and the floor is an aluminum alloy structure having a planar structure.
The utility model also provides a vehicle, including above vehicle rear floor frame construction.
To sum up, the utility model adopts the aluminum sheet metal parts for the front longitudinal beam, the rear longitudinal beam and the cross beam, adopts the steel sheet metal parts for the connecting longitudinal beam, and simultaneously ensures the structural strength and rigidity of the rear frame of the vehicle body by adding the connecting longitudinal beam to effectively connect the upper vehicle body of the vehicle and the front floor frame structure of the vehicle; meanwhile, the problem that the steel car body is overweight is solved, and the light-weight design of the car body is reflected.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a rear floor frame structure of a vehicle according to the present invention;
FIG. 2 is a schematic structural view of the connection of the side wall connecting plate of FIG. 1 with the front longitudinal beam, the rear longitudinal beam and the connecting longitudinal beam;
FIG. 3 is a schematic structural view of the first beam of FIG. 1;
FIG. 4 is a schematic structural view of the second cross member of FIG. 1;
FIG. 5 is a schematic structural view of the third beam of FIG. 1; FIG. 6 is a schematic structural view of the rear floor frame structure of the vehicle of FIG. 1 along the front and rear side rails;
fig. 7 is a schematic structural view of the first cross member formed with a battery mounting point.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the intended purpose of the invention, the present invention will be described in detail with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1 to 7, the utility model provides a floor frame construction behind vehicle, including locating longeron 11 of vehicle both sides and locating crossbeam 12 between longeron 11, and longeron 11 and crossbeam 12 are connected in order to form floor frame construction behind the vehicle through hot melt self-tapping brill rivets (FDS).
As shown in fig. 1 and 2, the longitudinal beams 11 include a front longitudinal beam 11a, a rear longitudinal beam 11b fixed to a rear end of the front longitudinal beam 11a, and a connecting longitudinal beam 11c provided outside the front longitudinal beam 11a and the rear longitudinal beam 11b, the front longitudinal beam 11a, the rear longitudinal beam 11b, and the cross beam 12 are aluminum structures, and the connecting longitudinal beam 11c is a steel structure.
The front longitudinal beam 11a is of an I-shaped cast aluminum structure, so that the problem of material utilization rate of the design of stamping parts does not need to be considered; and the two sides of the front longitudinal beam 11a are hollowed out, so that higher bending resistance is provided, and the optimal weight reduction effect can be achieved. The rear longitudinal beam 11b is a closed cavity type extruded aluminum structure, namely the main frame of the utility model adopts extruded aluminum, the section design is flexible, the integration level of parts is high, the number is small, the weight of the vehicle is effectively reduced, and the optimal utilization of materials and space is realized based on different performances; it can be understood that the utility model discloses an adopt aluminum alloy extrusion process, aluminum alloy casting process, effectively reduce structural part quantity, weight, improve floor frame construction's behind the vehicle concatenation precision.
More specifically, the connecting longitudinal beam 11c is of an L-shaped steel stamping plate structure connected with the upper vehicle body of the vehicle steel vehicle body in a spot welding mode, the front longitudinal beam 11a and the rear longitudinal beam 11b are connected to the connecting longitudinal beam 11c through self-piercing riveting (SPR) and hot-melt self-tapping drilling riveting (FDS), the connection of the upper vehicle body (steel-aluminum hybrid vehicle body) made of steel is met, the upper vehicle body of the vehicle and the frame structure of the front floor of the vehicle are effectively connected, and the structural strength and the rigidity of the rear frame of the vehicle body are guaranteed; meanwhile, the problem that the steel car body is overweight is solved, and the light-weight design of the car body is reflected. In a preferred embodiment, the connecting side member 11c extends away from the ends of the front and rear side members 11a, 11b in the direction of the upper body of the vehicle (see fig. 1 and 2 for greater emphasis).
Specifically, the utility model discloses when well longeron 11, crossbeam 12 are connected with each parts on the vehicle automobile body, if two connecting pieces are aluminium or aluminium steel structural connection, then connected mode still can select aluminium spot welding, or spiro union, or structural glue to combine from tapping to bore and rivet (FDS), or structural glue combines from connection modes such as puncture riveting (SPR).
As shown in fig. 2 to 5, the cross beam 12 includes a first cross beam 12a and a second cross beam 12b provided at the joint of the front longitudinal beam 11a and the connecting longitudinal beam 11c, and a third cross beam 12c provided at the joint of the rear longitudinal beam 11b and the connecting longitudinal beam 11c, the cross beam 12 (the first cross beam 12a, the second cross beam 12b, and the third cross beam 12c) is an extruded aluminum structure of a closed cavity structure, and the second cross beam 12b is positioned between the first cross beam 12a and the second cross beam 12b, the front longitudinal beam 11a of the cast aluminum structure is lapped with the first cross beam 12a and the second cross beam 12b of the extruded aluminum structure to form a closed type power transmission cavity structure, the structure has high integration level and high precision, reduces the weight of parts, reduces the manufacturing cost, ensures that the rear floor frame has higher rigidity, better resists the torsion and manufacturability of the vehicle body, and solves the problem that the steel vehicle body is easy to corrode.
Referring to fig. 3, 4, 5 and 6, the third beam 12c is a square closed cavity structure; the first beam 12a comprises a first side plate and a second side plate 12d, wherein the first side plate is arranged oppositely, and the second side plate 12d is vertically arranged between the first side plates 11 to form a parallelogram closed cavity; the second beam 12b comprises a third side plate 12e and a fourth side plate 12f, wherein the third side plate 12e is arranged oppositely, the fourth side plate 12f is obliquely arranged between the third side plates 12e to form a square closed cavity, a first tower connecting plate 121 formed by extending outwards is arranged at the joint of the third side plate 12e and the fourth side plate 12f, and a second tower connecting plate 122 connected with the first tower connecting plate 121 in a tower mode is arranged at the joint of the first side plate and the second side plate 12 d; the first cross beam 12a is provided with a fourth tower connecting plate 124 opposite to the second tower connecting plate 122, the second cross beam 12b is provided with a third tower connecting plate 123 opposite to the first tower connecting plate 121, and the force transmission channel with a Z-shaped trend is formed by splicing and welding the square closed cavity, the parallelogram closed cavity, the third tower connecting plate 123 and the fourth tower connecting plate 124 with the longitudinal beam 11 (mainly the front longitudinal beam 11a and the connecting longitudinal beam 11c) together, so that the collision force can be transmitted to the first cross beam 12a and the second cross beam 12b through the front longitudinal beam 11a, and the impact of the collision force on a rear floor frame of the vehicle can be effectively dispersed.
In a preferred embodiment, the first side plate and the third side plate 12e are horizontally arranged, the first tower connecting plate 121 is formed by extending the end of the fourth side plate 12f outwards, the first tower connecting plate 121 is parallel to the second tower connecting plate 122, the third tower connecting plate 123 is formed by extending the third side plate 12e outwards, and the fourth tower connecting plate 124 is formed by extending the end of the first side plate outwards, so that the transmission of the collision force by the channel formed by the tower connection of the first beam 12a and the second beam 12b is more direct and effective. In other embodiments, the first side plate is not limited to the position in fig. 3, and its position may also be interchanged with the second side plate 12 d.
With particular reference to fig. 6, a subframe mounting point 125 facing the subframe of the vehicle is formed on the front longitudinal beam 11a, and the subframe mounting point 125 provided by the present invention corresponds to the force transmission channel of the closed force transmission cavity structure formed by the first cross beam 12a and the second cross beam 12b, so as to improve the strength (rigidity) of the subframe mounting point 125; meanwhile, referring to fig. 2 and 7, the utility model provides a be formed with battery mounting point 126 on the first crossbeam 12a, be formed with seat mounting point 127 on the second crossbeam 12b, guarantee that battery mounting point 126 and seat mounting point 127 have higher rigidity intensity.
The utility model discloses in, near third crossbeam 12c and back longeron 11 b's junction is equipped with the side wall connecting plate 13 that is used for connecting vehicle side wall wheel casing stiffening beam, and side wall connecting plate 13 is located the regional lower part of bumper shock absorber behind the vehicle (connect in fig. 1 on longeron 11c near one end near being close to third crossbeam 12c, the place ahead of back longeron 11b and third crossbeam 12c junction in fig. 2), and side wall connecting plate 13 is the steel clamp plate structure that the steel punching press formed. In a specific embodiment, the side wall connecting plate 13 is arranged on the same side of the rear longitudinal beam 11c as the connecting longitudinal beam 11c, the side wall connecting plate 13 is connected with the rear longitudinal beam 11b through bolts, and the side wall connecting plate 13 is correspondingly assembled and connected with the side wall wheel cover reinforcing beam to form the capacity of resisting the reverse deformation transmitted by the shock absorber.
Further, the vehicle rear floor frame structure further includes a floor 14 provided between the side members 11 and the cross member 12. The utility model discloses in, floor 14 is for adopting planar structure's aluminum alloy aluminum plate structure, and encloses behind the vehicle and adopt the steel structure to through the design of the casting structure that links up, form better biography power route.
The utility model also provides a vehicle, floor frame construction behind the vehicle more than including. For the specific content of the connection between the rear floor frame structure and the vehicle, reference may be made to the prior art, which is not described herein in detail.
The utility model discloses in, when the vehicle that has floor frame construction behind the vehicle bumps behind, the impact is transmitted to the front longitudinal beam by the back longeron, and one of them some power is upwards transmitted through floor side wall linking bridge.
When a vehicle with a vehicle rear floor frame structure collides at a side surface, collision force is transmitted from a vehicle rocker to a front side member, a first cross member, and a second cross member.
To sum up, the utility model adopts the aluminum sheet metal parts for the front longitudinal beam, the rear longitudinal beam and the cross beam, adopts the steel sheet metal parts for the connecting longitudinal beam, and simultaneously ensures the structural strength and rigidity of the rear frame of the vehicle body by adding the connecting longitudinal beam to effectively connect the upper vehicle body of the vehicle and the front floor frame structure of the vehicle; meanwhile, the problem that the steel car body is overweight is solved, and the light-weight design of the car body is reflected; meanwhile, the front longitudinal beam is of a cast aluminum structure, the cross beams and the rear longitudinal beam are of an aluminum alloy extrusion structure with a closed cavity, and the first cross beam and the second cross beam are connected in a tower mode to form a better force transmission path, so that the number and weight of parts are effectively reduced through an extrusion process and a casting process, and the structural strength/rigidity of the rear floor is improved; and the integral assembly of the vehicle rear floor frame structure meeting the light weight level is completed through the connection mode of self-piercing riveting (SPR) and hot-melt self-tapping drilling riveting (FDS).
The above is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, but the present invention is not limited to the above embodiments, and any skilled person familiar with the art can make some changes or modifications to equivalent embodiments of equivalent changes within the technical scope of the present invention without departing from the technical scope of the present invention, but any simple modification, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention still belong to the technical scope of the present invention.
Claims (10)
1. The utility model provides a floor frame construction behind vehicle, its characterized in that, including longeron (11) of locating the vehicle both sides with locate crossbeam (12) between longeron (11), longeron (11) include front longitudinal beam (11a), rigid coupling in back longeron (11b) of front longitudinal beam (11a) rear end and be used for with vehicle on the body assembly be connected longeron (11c), front longitudinal beam (11a) back longeron (11b) with crossbeam (12) are the aluminium structure, it is the steel construction to connect longeron (11c), it locates to connect longeron (11c) front longitudinal beam (11a) with the outside of back longeron (11 b).
2. The vehicle rear floor frame structure according to claim 1, characterized in that the side members (11) and the cross members (12) are joined by hot-melt self-tapping drill-rivet.
3. The vehicle rear floor frame structure according to claim 1, characterized in that the front side member (11a) is an "i" shaped cast aluminum structure, the rear side member (11b) is a closed cavity extruded aluminum structure, the connecting side member (11c) is an L-shaped stamped steel structure, and the front side member (11a) and the rear side member (11b) are connected to the connecting side member (11c) by self piercing riveting and hot melt self tapping drill riveting.
4. The vehicle rear floor frame structure according to claim 3, characterized in that the cross member (12) includes a first cross member (12a) and a second cross member (12b) provided at a junction of the front side member (11a) and the connecting side member (11c), and a third cross member (12c) provided at a junction of the rear side member (11b) and the connecting side member (11c), the first cross member (12a), the second cross member (12b), and the third cross member (12c) are closed cavity structures formed by extruded aluminum, and the second cross member (12b) is tower-connected with the first cross member (12a) and forms a closed force transmission cavity structure together with the front side member (11a) and the connecting side member (11 c).
5. The vehicle rear floor frame structure according to claim 4, wherein the first cross member (12a) includes first side plates disposed in opposition and a second side plate (12d) disposed perpendicularly between the first side plates to form a parallelogram closed chamber; the second cross beam (12b) comprises third side plates (12e) arranged oppositely and a fourth side plate (12f) obliquely arranged between the third side plates (12e) to form a square closed cavity, a first tower connecting plate (121) formed by extending outwards is arranged at the joint of the third side plates (12e) and the fourth side plate (12f), and a second tower connecting plate (122) connected with the first tower connecting plate (121) in a tower manner is arranged at the joint of the first side plates and the second side plate (12 d); the first cross beam (12a) is provided with a fourth tower connecting plate (124) opposite to the second tower connecting plate (122), the second cross beam (12b) is provided with a third tower connecting plate (123) opposite to the first tower connecting plate (121), and a force transmission channel with a Z-shaped trend is formed jointly through the square closed cavity, the parallelogram closed cavity, the third tower connecting plate (123), the fourth tower connecting plate (124) and the longitudinal beam (11) in a splicing and welding mode.
6. The vehicle rear floor frame structure according to claim 5, characterized in that the first side plate and the third side plate (12e) are arranged horizontally, the first tower plate (121) is extended outward from the tip of the fourth side plate (12f), the first tower plate (121) is parallel to the second tower plate (122), the third tower plate (123) is extended outward from the third side plate (12e), and the fourth tower plate (124) is extended outward from the tip of the first side plate.
7. The vehicle rear floor frame structure according to claim 4 or 5, characterized in that a sub-frame mounting point (125) is formed on the front side member (11a), a battery mounting point (126) is formed on the first cross member (12a), and a seat mounting point (127) is formed on the second cross member (12 b).
8. The vehicle rear floor frame structure according to claim 4, wherein a side wall connecting plate (13) for connecting a side wall wheel house reinforcing beam of the vehicle is provided near a junction of the rear side member (11b) and the third cross member (12c), and the side wall connecting plate (13) is located at a lower portion of a rear bumper region of the vehicle.
9. The vehicle rear floor frame structure according to claim 1, further comprising a floor panel (14) provided between the side members (11) and the cross member (12), the floor panel (14) being a planar-structured aluminum alloy structure.
10. A vehicle characterized by comprising the vehicle rear floor frame structure of any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273084.4U CN209888953U (en) | 2019-03-04 | 2019-03-04 | Floor frame construction and have its vehicle behind vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920273084.4U CN209888953U (en) | 2019-03-04 | 2019-03-04 | Floor frame construction and have its vehicle behind vehicle |
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| Publication Number | Publication Date |
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| CN209888953U true CN209888953U (en) | 2020-01-03 |
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| CN201920273084.4U Active CN209888953U (en) | 2019-03-04 | 2019-03-04 | Floor frame construction and have its vehicle behind vehicle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645764A (en) * | 2019-03-04 | 2020-09-11 | 广州汽车集团股份有限公司 | Floor frame construction and have its vehicle behind vehicle |
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2019
- 2019-03-04 CN CN201920273084.4U patent/CN209888953U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645764A (en) * | 2019-03-04 | 2020-09-11 | 广州汽车集团股份有限公司 | Floor frame construction and have its vehicle behind vehicle |
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