CN210707649U - Automobile rear floor structure - Google Patents
Automobile rear floor structure Download PDFInfo
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- CN210707649U CN210707649U CN201921517435.8U CN201921517435U CN210707649U CN 210707649 U CN210707649 U CN 210707649U CN 201921517435 U CN201921517435 U CN 201921517435U CN 210707649 U CN210707649 U CN 210707649U
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- rear floor
- floor
- spare tire
- cross beam
- seat mounting
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Abstract
The utility model discloses a floor structure behind car, include: the rear floor comprises a rear floor base, a rear floor front end plate, a rear row seat mounting cross beam and a spare tire mounting assembly; the rear floor front end plate is arranged on the upper side of the front end of the rear floor base, the spare tire installation assembly is arranged on two sides of the surface of the rear end of the rear floor base, and the rear row seat installation cross beam is arranged on the upper side of the surface of the rear floor base and connected to the spare tire installation assembly. Floor structure behind car is with back floor basement, back row seat installation crossbeam and spare tyre installation assembly interconnect in an organic whole, and this back floor structure is through the analysis of multi-objective optimization, through intensity, quality, the optimal analysis of rigidity performance, designs into the many tentacles of similar to the insect molding of strengthening rib on the spare tyre installation assembly, can satisfy the structural strength on back floor, can satisfy the quality requirement after bumping behind the low-speed again, when improving vehicle security, has improved the riding comfort of vehicle.
Description
Technical Field
The utility model relates to an automobile framework field, concretely relates to floor structure behind car.
Background
In recent years, the automobile market in China is developed rapidly, the market demand is increasing, the requirements of people on the performances of automobiles such as safety, comfort, NVH (noise, vibration and harshness) performance and abnormal sound are higher and higher, the safety is undoubtedly one of important concerns, traffic safety accidents are increased along with the rapid increase of automobile maintenance, however, the structure of the rear floor of the existing automobile needs to be provided with a fixing piece for fixing a spare tire at the rear end in design, designers dig a plurality of clamping grooves on a plurality of rear floor structures in order to install the fixing piece for fixing the spare tire, the structural strength of the rear floor design of the existing automobile reaches the national mandatory standard, once the automobile is tailed, the rear floor is easy to be extruded and deformed, and the safety of rear passengers is further influenced, in addition, because the spare tire mounting on the traditional back floor is unreasonable in design, the automobile can generate abnormal sound in the driving process, how to give consideration to safety, and how to achieve comfort through reasonable design of the automobile spare tire mounting, and at present, manufacturers of many automobiles have no reliable technical scheme temporarily, so that the safety and the requirements of consumers are improved through the structural design of the back floor of the automobile body.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the prior art, the embodiment of the utility model provides a floor structure behind car when providing a can will improve car security, brings more travelling comfort for the passenger.
In order to solve the technical problem, the utility model discloses a technical scheme is:
an automotive rear floor structure comprising: the rear floor comprises a rear floor base, a rear floor front end plate, a rear row seat mounting cross beam and a spare tire mounting assembly; the back floor front end plate set up in the front end upside of back floor basement, spare tyre installation assembly sets up the rear end surface both sides of back floor basement, back row seat installation crossbeam set up in the surface upside of back floor basement just connect in spare tyre installation assembly.
Further, the spare tire installation assembly comprises a spare tire fixing ring, a cross fixing beam and a plurality of reinforcing ribs; the spare tire retainer plate weld in the semiellipse shape steel structure of the surperficial inboard of back floor basement, the cross fixed beam set up in semiellipse shape steel constructs central authorities, install spare tire installation stiffening beam on the cross fixed beam.
Furthermore, the reinforcing ribs are symmetrically arranged on the two side surfaces of the rear floor substrate and penetrate through the rear floor substrate, the thickness of each reinforcing rib is 11mm, and the width of each reinforcing rib is 40 mm.
Further, the both ends of back row seat installation crossbeam are connected with two connecting pieces respectively, the connecting piece is right through the buckle back row seat installation crossbeam is fixed, the horizontal both ends of back row seat installation laminate in the back floor basement is still fixed respectively on the surface and is provided with two anticollision longerons.
Furthermore, a central reinforcing plate is fixedly arranged at the middle position of the rear floor base connected with the rear row seat mounting cross beam.
Further, back row seat installation crossbeam with be connected with two at least closure buckles on the semiellipse shape steel structure, closure buckle one end laminating and block in the side wall of semiellipse shape steel structure, the other end passes back row seat installation crossbeam laminate in the back floor basement.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is:
the embodiment of the utility model discloses floor structure behind car, with back floor basement, back row seat installation crossbeam and spare tyre installation assembly interconnect in an organic whole, to this back floor structure through multi-objective optimization analysis, through intensity, quality, the optimal analysis of rigidity performance, design into the many tentacles of similar to insect with the strengthening rib on the spare tyre installation assembly molding, can satisfy the structural strength on back floor, can satisfy again and bump the state of back quality optimum behind the low-speed. The safety performance of the rear collision is improved, the cost is reduced, and the riding comfort of the vehicle is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic front view of a rear floor structure of an automobile according to an embodiment of the present invention;
fig. 2 is a schematic view of a reverse structure of a rear floor structure of an automobile disclosed in the embodiment of the present invention.
In the figure:
1-rear floor base; 11-a crash stringer; 2, mounting a crossbeam on the rear row of seats; 21-a connector; 3-a spare tire installation assembly; 31-spare tire retainer ring; 32-reinforcing ribs; 33-a cross fixed beam; 4-front end plate of rear floor.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the following description will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying 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 work belong to the protection scope of the present invention.
As shown in fig. 1-2, the embodiment of the utility model discloses a floor structure behind car, include: the floor comprises a rear floor base 1, a rear floor front end plate 4, a rear row seat mounting cross beam 2 and a spare tire mounting assembly 3; rear floor front end plate 4 set up in the front end upside of rear floor basement 1, spare tyre installation assembly 3 sets up rear floor basement 1's rear end surface both sides, back row seat installation crossbeam 2 set up in rear floor basement 1's surface upside and connect in spare tyre installation assembly 3. Specifically, floor structure behind the car is the back floor for the passenger car design, generally is used in the family car of three rows of seats, and wherein back row seat installation crossbeam 2 actually is the third row seat of vehicle, and floor structure includes under the floor of vapour car trunk behind the whole car, and wherein, spare tyre installation assembly 3 is used for the spare tyre of fixed car, and back floor front end plate 4 links to each other with the front floor structure of car, and back floor basement 1 adopts DC 04's cold-rolled steel sheet, and easy shaping, simple process and disability rate are low. The utility model discloses a floor structure behind car is with back floor basement 1, back row seat installation crossbeam 2 and 3 interconnect of spare tyre installation assembly in an organic whole, to this back floor structure through multi-objective optimization analysis, through intensity, quality, the optimal analysis of rigidity performance, designs into the many tentacles of similar to insect molding with strengthening rib 32 on the spare tyre installation assembly 3, can satisfy the structural strength on back floor, can satisfy again and bump the state of back quality optimum behind the low-speed. The safety performance of the rear collision is improved, the cost is reduced, and the riding comfort of the vehicle is improved.
Preferably, the spare tire installation assembly 3 comprises a spare tire fixing ring 31, a cross fixing beam 33 and a plurality of reinforcing ribs 32; spare tyre retainer plate 31 weld in the semiellipse shape steel structure of the surperficial inboard of back floor basement 1, cross fixed beam 33 set up in semiellipse shape steel constructs central authorities, install spare tyre installation stiffening beam on the cross fixed beam 33. The cross fixing beam 33 is composed of a cross beam connected to the center of the semi-oval steel structure and a longitudinal beam welded on the surface of the rear floor base 1, a spare tire installation reinforcing beam is fixedly connected to the longitudinal beam, and a hub of the spare tire and the spare tire installation reinforcing beam are fixed through bolts; further, the reinforcing ribs 32 are symmetrically arranged on the two side surfaces of the rear floor base 1 and penetrate through the rear floor base 1, and the thickness of the reinforcing ribs 32 is 11mm and the width thereof is 40 mm. Wherein, the reinforcing ribs 32 are 5 pairs in total in the embodiment, and are respectively designed symmetrically, wherein 4 pairs of the reinforcing ribs 32 are welded on the semi-oval steel structure, and the other pair is welded on the surface of the rear floor base 1. The quantity, thickness and the width of strengthening rib 32 are all through multi-objective optimization analysis, through intensity, quality, set for behind the optimal analysis of rigidity performance, wherein, strengthening rib 32 can be seen in the picture as the touching angle shape similar to the insect, through the strengthening rib 32 of a plurality of touching angles shape, can show the rigidity intensity that improves the automobile rear panel structure, in case bump after taking place to chase after etc. in case, the effectual passenger security who has promoted the back row seat, because overall structure is simple, can effectively reduce cost through the design of strengthening rib 32.
Preferably, the both ends of back row seat installation crossbeam 2 are connected with two connecting pieces 21 respectively, connecting piece 21 is right through the buckle back row seat installation crossbeam 2 is fixed, the horizontal both ends of back row seat installation laminate in back floor basement 1 still fix respectively on the surface and be provided with two anticollision longerons 11. In order to further improve the anti-collision performance of the vehicle, two anti-collision longitudinal beams 11 are respectively and longitudinally arranged at two ends of the position of the rear row seat mounting cross beam 2, so that the longitudinal collision of the rear end of the vehicle can be dealt with, and the lateral collision of the rear end of the vehicle can be strengthened.
Preferably, a central reinforcing plate is fixedly arranged at the middle position of the rear floor base 1 connected to the rear seat mounting cross beam 2. In order to improve the overall structural strength of the rear floor structure of the vehicle, a central reinforcing plate is fixedly connected to the middle position of the rear seat installation beam 2, the rigidity strength of the whole rear floor structure can be improved through the central reinforcing plate, the deformation of the rear floor structure can be prevented when the front end of the vehicle collides, and the safety performance of the whole vehicle is improved.
Preferably, back row seat installation crossbeam 2 with be connected with two at least closure buckles on the semiellipse shape steel structure, closure buckle one end laminating and block in the side wall of semiellipse shape steel structure, the other end passes back row seat installation crossbeam 2 laminate in back floor basement 1. In order to reduce the arrangement of a plurality of cross beams, when the safety of the vehicle is improved, the rear-row seat mounting cross beam 2 and the semi-elliptic steel structure are tightly clamped by utilizing the closing buckles, so that the semi-elliptic steel structure serves as a structure of a part of cross beams, and the design cost of the vehicle is reduced. In addition, in order to reinforce the structural strength of the rear floor of the vehicle, a plurality of fixing strips are welded to the rear seat mounting cross member 2, and the other ends of the fixing strips are welded to the surface of the rear floor base 1.
Above-mentioned all optional technical scheme can adopt arbitrary combination to form the optional embodiment of this utility model, and the repeated description is no longer given here.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (6)
1. An automotive rear floor structure, characterized by comprising: the rear floor comprises a rear floor base, a rear floor front end plate, a rear row seat mounting cross beam and a spare tire mounting assembly; the back floor front end plate set up in the front end upside of back floor basement, spare tyre installation assembly sets up the rear end surface both sides of back floor basement, back row seat installation crossbeam set up in the surface upside of back floor basement just connect in spare tyre installation assembly.
2. The automotive rear floor structure according to claim 1, wherein the spare tire mounting assembly includes a spare tire securing ring, a cross-shaped securing beam, and a plurality of reinforcing ribs; the spare tire retainer plate weld in the semiellipse shape steel structure of the surperficial inboard of back floor basement, the cross fixed beam set up in semiellipse shape steel constructs central authorities, install spare tire installation stiffening beam on the cross fixed beam.
3. The vehicle rear floor structure according to claim 2, wherein the reinforcing beads are symmetrically disposed on both side surfaces of the rear floor base and penetrate the rear floor base, and the reinforcing beads have a thickness of 11mm and a width of 40 mm.
4. The automobile rear floor structure according to claim 1, wherein two ends of the rear seat mounting cross beam are respectively connected with two connecting pieces, the connecting pieces fix the rear seat mounting cross beam through buckles, and two anti-collision longitudinal beams are respectively and fixedly arranged on the surface of the rear floor base, which is attached to two ends of the rear seat mounting cross beam.
5. The automobile rear floor structure according to claim 1, wherein a center reinforcement plate is fixedly provided on the rear floor base at a position connected to a middle of the rear seat mounting cross member.
6. The automobile rear floor structure according to claim 2, wherein at least two closing buckles are connected to the rear seat mounting cross beam and the semi-oval steel structure, one ends of the closing buckles are attached and clamped to side walls of the semi-oval steel structure, and the other ends of the closing buckles penetrate through the rear seat mounting cross beam and are attached to the rear floor base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517435.8U CN210707649U (en) | 2019-09-12 | 2019-09-12 | Automobile rear floor structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921517435.8U CN210707649U (en) | 2019-09-12 | 2019-09-12 | Automobile rear floor structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210707649U true CN210707649U (en) | 2020-06-09 |
Family
ID=70963035
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921517435.8U Active CN210707649U (en) | 2019-09-12 | 2019-09-12 | Automobile rear floor structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210707649U (en) |
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2019
- 2019-09-12 CN CN201921517435.8U patent/CN210707649U/en active Active
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