CN208698877U - A kind of body of a motor car and its floor side member leading portion - Google Patents
A kind of body of a motor car and its floor side member leading portion Download PDFInfo
- Publication number
- CN208698877U CN208698877U CN201821150376.0U CN201821150376U CN208698877U CN 208698877 U CN208698877 U CN 208698877U CN 201821150376 U CN201821150376 U CN 201821150376U CN 208698877 U CN208698877 U CN 208698877U
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- China
- Prior art keywords
- side member
- motor car
- leading portion
- plate
- floor side
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Abstract
The utility model discloses a kind of body of a motor car and its floor side member leading portions.The body of a motor car floor side member leading portion includes casting integrated molding floor side member leading portion ontology, and the floor side member leading portion ontology has back plate, beam bottom plate, one block of beam side plate and two beam end plates；There are more reinforcing ribs in the open-ended cavity that the back plate, beam bottom plate, one block of beam side plate and two beam end plates surround；Rear secondary frame for vehicle installation interface is offered on the beam bottom plate, the beam side plate inner wall, which is equipped with, is located at the intracorporal side seal board installation interface of atrium.The utility model improves core intensity as caused by cavity structure and NVH performance deficiency problem.
Description
Technical field
The utility model relates to a kind of body of a motor car and its floor side member leading portions, belong to body of a motor car casting field.
Background technique
Body of a motor car floor side member is the vehicle frame below the skeleton of automobile rear chassis, that is, back seat and boot, is vehicle
Portion's structural key force transferring part behind.
Floor longitudinal beam structure mainly uses Segmented butt-welding after steel plate punched to be welded after traditional vehicle.It is embedding by various segmentations
Nested structure composition, using mature welding procedure, production efficiency is higher, low in cost, is widely used in mainstream economical and practical type vehicle.
But spliced due to segmented and designed, also there are some defects of itself, splicing welding and assembling technics are complicated, and structural strength and NVH(make an uproar
Sound, vibration and sound vibration roughness) performance deficiency, it is unfavorable for light-weight design.
Chinese patent application discloses (bulletin) number CN207374487U, CN107651019A and discloses a kind of floor side member and vehicle
Body, the vehicle body include back buffer beam, rear cross beam and left stringer and the right side being connected between the back buffer beam and the rear cross beam
Stringer, the left stringer and the right vertical beam are symmetrical arranged.
Utility model content
The utility model, which is intended to provide a kind of body of a motor car and its floor side member leading portion, the floor side member leading portion, can improve core
The intensity as caused by cavity structure and NVH performance deficiency problem.
To achieve the goals above, the technical scheme adopted by the utility model is
A kind of body of a motor car floor side member leading portion, including casting integrated molding floor side member leading portion ontology, before the floor side member
Duan Benti has back plate, beam bottom plate, one block of beam side plate and two beam end plates；The back plate, beam bottom plate, one piece of beam side
There are more reinforcing ribs in the open-ended cavity that plate and two beam end plates surround；It is structurally characterized in that, opens up on the beam bottom plate
There is Rear secondary frame for vehicle that interface is installed, the beam side plate inner wall, which is equipped with, is located at the intracorporal side seal board installation interface of atrium.
The floor side member leading portion of casting and forming avoids welding bring a series of problems as a result, while passing through setting side seal
Plate installs interface, convenient to be fixedly linked with side seal board.The structural strength of vehicle body is improved in open-ended cavity with more reinforcing ribs.
Embodiment according to the present utility model can also make further optimization to the utility model, and the following are after optimization
The technical solution of formation:
In order to preferably connect with side seal board, the side seal board installation interface is the connecting column for being provided with mounting hole.Further
Ground, the mounting hole are threaded hole.
It is connected for convenience with floor side member back segment, the end plate of the beam end plate, which has, rearward to be extended and for indulging with rear
The connected erection joint of beam back segment, the section which is parallel to end plate is integrally in 8-shaped.Floor side member leading portion is indulged with rear
The connection of beam back segment is cooperated using figure of eight end face, is conveniently welded.The hard spot of floor side member leading portion body lower part and Rear secondary frame for vehicle is attached most importance to
Load connection, directly screw thread is installed in processing after the completion of die casting, without additional built-in steel-wire screw-socket.
Quick location and installation Rear secondary frame for vehicle for convenience, there are two the Rear secondary frame for vehicle installation interfaces, is separately positioned on beam
The rear end of bottom plate and medium position.
Preferably, the outside bending in lower part of the beam side plate and it is whole L-shaped.
For light-weighted purpose, the floor side member leading portion is aluminium alloy casting and forming structure.It, can using aluminum alloy material
Realize lightweight and environmentally protective, the following duty requirements of satisfaction.
Based on the same inventive concept, the utility model additionally provides a kind of body of a motor car comprising the Automobile
Longitudinal beam front section behind, and interface is installed by side seal board and is mounted on the side seal board on body of a motor car floor side member leading portion；The side
The top of sealing plate is fixedly linked with the back plate, and the bottom of the side seal board is fixedly linked with the beam bottom plate.
Sealing plate on rear side of quick location and installation for convenience, the side seal board installation interface be arranged in beam side plate rear end and
Medium position.
In order to more easily install side seal board, the side seal board is fixed by screws in body of a motor car floor side member leading portion
Side seal board is installed on interface；It is inwardly recessed to form recess in the middle part of the side seal board, the recess and the side seal board are installed
Interface abuts.After the installation is completed, recess is abutted with side seal board installation interface, thereby may be ensured that the integral strength of vehicle body.
Compared with prior art, the utility model has the beneficial effects that
Relative to floor longitudinal beam structure after traditional vehicle, the utility model is substituted using split type die casting (aluminium alloy)
Steel stamping part.Overall performance is not only greatly improved, especially improvement core intensity as caused by cavity structure and NVH is insufficient
Problem.Meanwhile number of parts is few, reduces production process, simplifies production stage, is being conducive to vehicular modular.In light-weight design
The utilization of middle aluminium alloy reduces complete vehicle weight, has biggish promotion to new-energy automobile course continuation mileage.
The utility model largely uses aluminium alloy compression casting forming technique, and the technology maturation is reliable.
The utility model arranges a large amount of bionics rib designs in floor side member leading portion body interior, meets rigidity, intensity
With NVH performance requirement.
Detailed description of the invention
Fig. 1 is the floor side member leading portion body construction schematic diagram of the utility model one embodiment；
Fig. 2 is a certain sectional view of the utility model vehicle body；
Fig. 3 is the elevational schematic view of Fig. 1.
Specific embodiment
The utility model is described in detail below with reference to attached drawing and in conjunction with the embodiments.It should be noted that not conflicting
In the case where, the feature in the embodiments of the present invention and embodiment can be combined with each other.For sake of convenience, hereinafter such as
There is "upper", "lower", "left", "right" printed words, only indicates consistent with the upper and lower, left and right direction of attached drawing itself, not to structure
Play restriction effect.
A kind of body of a motor car floor side member leading portion, as shown in figs. 1 and 3, including before the casting integrated molding floor side member of aluminium alloy
Duan Benti, the floor side member leading portion ontology have back plate 5,6, one blocks of beam side plates 7 of beam bottom plate and a front end-plate 9 and one
A end plate 8.The outside bending in lower part of the beam side plate 7 and it is whole L-shaped.
The atrium that the back plate 5, beam bottom plate 6, one blocks of beam side plates, 7, front end-plates 9 and an end plate 8 surround
There are more latticed reinforcing ribs 3 in vivo.Latticed reinforcing rib is arranged in cast-internal, and it is thin to further increase " several " font
The bending resistance stiffness of wall construction.
It is connected for convenience with subframe, Rear secondary frame for vehicle installation interface 4 is offered on the beam bottom plate 6, secondary vehicle after described
Frame is installed there are two interfaces 4, and rear end and the medium position of beam bottom plate 6 are separately positioned on.Front and back secondary vehicle after being located at bottom two
Frame installs hard spot and ensure that the position precision and bonding strength of installation using the thread mill drilling directly on casting.
It is fixedly linked for convenience with side seal board, 7 inner wall of beam side plate is equipped with what opposite beam side plate 7 extended internally
Side seal board installs interface 2.The side seal board installation interface 2 is the connecting column for being provided with threaded hole 10.The side seal board installs interface 2
Rear end and the medium position of beam side plate 7 are set.At front and back two and the technique that is spirally connected of side seal board, obtain hollow internal cavity
It is further strengthened to rigidity.
Be connected for convenience with floor side member back segment, the end plate 8 of the beam end plate have rearward extend and be used for it is rear
The connected erection joint of stringer back segment, the section which is parallel to end plate 8 is integrally in 8-shaped.Figure of eight end face side
The positioning of the high-intensitive floor side member leading portion profile parts of installation connection when being just welded.
A kind of body of a motor car, as shown in Fig. 2, including the body of a motor car floor side member leading portion, and pacified by side seal board
Attaching mouth 2 is mounted on the side seal board 11 on body of a motor car floor side member leading portion；The top of the side seal board 11 and the back plate 5 are solid
Fixed to be connected, the bottom of the side seal board 11 is fixedly linked with the beam bottom plate 6.The side seal board 11 is fixed on automobile by screw 12
On the side seal board installation interface 2 of vehicle body floor side member leading portion；The middle part of the side seal board 11 is inwardly recessed to form recess 13, this is recessed
It is abutted into portion 13 with side seal board installation interface 2.
The body of a motor car of the utility model uses split-type design, by aluminium arc-welding and the technique that is spirally connected by floor side member leading portion sheet
Body is connect with side seal board, and process is few.
The die-casting process large-scale production of the present embodiment, effectively reduces cost, and is conducive to supply chain management.Die-casting process at
Type, it is ensured that part comprehensive mechanical property is excellent, meets harsh design requirement.Casting cross section is " several " font thin-wall construction, benefit
In loss of weight.
The floor side member leading portion number of parts of the present embodiment is few, and structure is simple, can without using complicated auxiliary mould equipment
To complete manufacture.
The utility model has complied with development in science and technology trend, using pack alloy technique, cooperates the technique that is spirally connected, aluminium arc-welding work
Skill reduces the use of clamp tool during assembly, improves manufacture efficiency and the accuracy of manufacture to realize modular manufacturing.
The content that above-described embodiment illustrates should be understood as that these embodiments are only used for being illustrated more clearly that the utility model,
Rather than limitation the scope of the utility model, after having read the utility model, those skilled in the art are practical new to this
The modification of the various equivalent forms of type each falls within the application range as defined in the appended claims.
Claims (10)
1. a kind of body of a motor car floor side member leading portion, including casting integrated molding floor side member leading portion ontology, the floor side member leading portion
Ontology has back plate (5), beam bottom plate (6), one piece of beam side plate (7) and two beam end plates；The back plate (5), beam bottom plate
(6), there are more reinforcing ribs (3) in the open-ended cavity that one piece of beam side plate (7) and two beam end plates surround；It is characterized in that,
Rear secondary frame for vehicle installation interface (4) is offered on the beam bottom plate (6), beam side plate (7) inner wall, which is equipped with, is located at atrium
Intracorporal side seal board installs interface (2).
2. body of a motor car floor side member leading portion according to claim 1, which is characterized in that the side seal board installs interface (2)
For the connecting column for being provided with mounting hole.
3. body of a motor car floor side member leading portion according to claim 2, which is characterized in that the mounting hole is threaded hole
(10).
4. body of a motor car floor side member leading portion according to claim 1, which is characterized in that the end plate (8) of the beam end plate
Erection joint with rearward extending and for being connected with floor side member back segment, the erection joint are parallel to cutting for end plate (8)
Face is integrally in 8-shaped.
5. body of a motor car floor side member leading portion described in any one of -4 according to claim 1, which is characterized in that the Rear secondary frame for vehicle
It installs there are two interface (4), is separately positioned on rear end and the medium position of beam bottom plate (6).
6. body of a motor car floor side member leading portion described in any one of -4 according to claim 1, which is characterized in that the beam side plate
(7) the outside bending in lower part and it is whole L-shaped.
7. body of a motor car floor side member leading portion described in any one of -4 according to claim 1, which is characterized in that before the floor side member
Section is aluminium alloy casting and forming structure.
8. a kind of body of a motor car, which is characterized in that before body of a motor car floor side member of any of claims 1-7
Section, and the side seal board (11) on body of a motor car floor side member leading portion is mounted on by side seal board installation interface (2)；The side seal board
(11) top is fixedly linked with the back plate (5), and the bottom of the side seal board (11) is fixedly linked with the beam bottom plate (6).
9. body of a motor car according to claim 8, which is characterized in that side seal board installation interface (2) is arranged in beam side
The rear end of plate (7) and medium position.
10. body of a motor car according to claim 8 or claim 9, which is characterized in that the side seal board (11) is solid by screw (12)
It is scheduled in side seal board installation interface (2) of body of a motor car floor side member leading portion；It is inwardly recessed to be formed in the middle part of the side seal board (11)
Recess (13), the recess (13) are abutted with side seal board installation interface (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821150376.0U CN208698877U (en) | 2018-07-20 | 2018-07-20 | A kind of body of a motor car and its floor side member leading portion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821150376.0U CN208698877U (en) | 2018-07-20 | 2018-07-20 | A kind of body of a motor car and its floor side member leading portion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208698877U true CN208698877U (en) | 2019-04-05 |
Family
ID=65938761
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821150376.0U Expired - Fee Related CN208698877U (en) | 2018-07-20 | 2018-07-20 | A kind of body of a motor car and its floor side member leading portion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208698877U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104118A (en) * | 2021-04-29 | 2021-07-13 | 黄冈格罗夫氢能汽车有限公司 | Hydrogen energy automobile body connection structure |
| CN114475813A (en) * | 2022-01-29 | 2022-05-13 | 重庆长安汽车股份有限公司 | Side opening type vehicle body longitudinal beam |
-
2018
- 2018-07-20 CN CN201821150376.0U patent/CN208698877U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113104118A (en) * | 2021-04-29 | 2021-07-13 | 黄冈格罗夫氢能汽车有限公司 | Hydrogen energy automobile body connection structure |
| CN114475813A (en) * | 2022-01-29 | 2022-05-13 | 重庆长安汽车股份有限公司 | Side opening type vehicle body longitudinal beam |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190405 Termination date: 20200720 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |