CN108045442A - Floor frame structure after a kind of vehicle body - Google Patents
Floor frame structure after a kind of vehicle body Download PDFInfo
- Publication number
- CN108045442A CN108045442A CN201711401088.8A CN201711401088A CN108045442A CN 108045442 A CN108045442 A CN 108045442A CN 201711401088 A CN201711401088 A CN 201711401088A CN 108045442 A CN108045442 A CN 108045442A
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- China
- Prior art keywords
- floor
- side member
- floor side
- leading portion
- crossmember
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D25/00—Superstructure or monocoque structure sub-units; Parts or details thereof not otherwise provided for
- B62D25/20—Floors or bottom sub-units
- B62D25/2009—Floors or bottom sub-units in connection with other superstructure subunits
- B62D25/2027—Floors or bottom sub-units in connection with other superstructure subunits the subunits being rear structures
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The present invention relates to auto Body Technology fields, disclose Floor frame structure after a kind of vehicle body, including rear wheel cover, rear floor crossmember and floor side member, floor side member includes floor side member leading portion and floor side member back segment, floor side member leading portion includes floor side member leading portion body and the joint structure being connected with floor side member leading portion body, and floor side member leading portion body is with joint structure by aluminium alloy integrally casting shaping；Rear wheel cover, rear floor crossmember and longeron back segment are connected on joint structure.Since floor side member leading portion body and joint structure are by aluminium alloy integrally casting shaping, therefore joint structure can be integrated on floor side member leading portion body, to avoid the rear floor crossmember connector that setting is spliced by multiple steel components such as rear floor crossmember top connection and rear floor crossmember lower contact on rear floor crossmember, so as to reduce the number of parts of rear floor crossmember and simplify the welding structure on rear floor crossmember, and then alleviate the weight of rear floor crossmember and improve the strength and stiffness of rear floor crossmember.
Description
Technical field
The present invention relates to auto Body Technology field, more particularly to Floor frame structure after a kind of vehicle body.
Background technology
At present, after the vehicle body of existing automobile Floor frame structure mainly by rear wheel cover, rear floor crossmember and rear longitudinal floor beam
Welding forms, and rear floor crossmember connector is usually provided on rear floor crossmember, and rear floor crossmember connector with rear wheel cover by being connected
Rear floor crossmember top connection and multiple steel components such as the rear floor crossmember lower contact that is connected with rear longitudinal floor beam be spliced,
To ensure the connection of floor crossmember and rear wheel cover and rear longitudinal floor beam after realizing.But due to rear floor crossmember connector need by
Multiple steel components such as floor crossmember top connection and rear floor crossmember lower contact are spliced afterwards, therefore cause rear floor crossmember
Number of parts is more and welding precision is poor, and the weight so as to cause rear floor crossmember is larger and strength and stiffness are relatively low, and then
Cause that the weight of Floor frame structure after existing vehicle body is larger and strength and stiffness are relatively low.
The content of the invention
The object of the present invention is to provide Floor frame structure after a kind of vehicle body, to solve Floor frame structure after existing vehicle body
Rear floor crossmember since rear floor crossmember connector is by multiple steels such as rear floor crossmember top connection and rear floor crossmember lower contact
Part is spliced, more and the technical issues of welding precision is poor so as to cause rear floor crossmember number of parts, after ensuring
The lighter in weight and strength and stiffness of floor crossmember are higher, so that it is guaranteed that after vehicle body Floor frame structure lighter in weight and intensity
It is higher with rigidity.
In order to solve the above technical problem, the present invention provides Floor frame structure after a kind of vehicle body, including rear wheel cover, afterwards
Plate crossbeam and floor side member, the floor side member include floor side member leading portion and floor side member back segment, and the floor side member leading portion includes floor side member
Leading portion body and the joint structure being connected with the floor side member leading portion body, the floor side member leading portion body and the connector knot
Structure is by aluminium alloy integrally casting shaping；The rear wheel cover, the rear floor crossmember and the longeron back segment are connected to described
On joint structure.
Preferably, the floor side member leading portion body is equipped with multiple the first reinforcing ribs laterally set, and described
First reinforcing rib is with the floor side member leading portion body by aluminium alloy integrally casting shaping.
Preferably, multiple the second longitudinally disposed reinforcing ribs, and institute are additionally provided on the floor side member leading portion body
The second reinforcing rib is stated with first reinforcing rib by aluminium alloy integrally casting shaping；Multiple second reinforcing ribs with it is multiple described
The crisscross setting of first reinforcing rib.
Preferably, the joint structure is equipped with multiple the 3rd crisscross reinforcing ribs, and the described 3rd adds
Strengthening tendons is with the joint structure by aluminium alloy integrally casting shaping.
Preferably, floor side member back segment connector, and the floor side member back segment connector are additionally provided on the joint structure
With the joint structure by aluminium alloy integrally casting shaping；One end of the floor side member back segment is plugged on the floor side member back segment and connects
In head.
Preferably, rear floor crossmember connector, and the rear floor crossmember connector are additionally provided on the joint structure
With the joint structure by aluminium alloy integrally casting shaping；Floor crossmember connects in the rear for one end grafting of floor crossmember after described
In head.
Preferably, trailing wheel shield joint is additionally provided on the joint structure, and the trailing wheel shield joint connects with described
Header structure is by aluminium alloy integrally casting shaping；The rear wheel cover is connected on the trailing wheel shield joint.
Preferably, the floor side member back segment is by aluminium alloy extrusions extrusion molding.
Preferably, the rear floor crossmember is by aluminium alloy extrusions extrusion molding.
Preferably, the rear wheel cover is by aluminium alloy casting.
In order to solve the technical issues of identical, the present invention also provides a kind of under body frame structure, including side wall structure, preceding
Floor frame structure after floor sill strip and above-mentioned vehicle body, the side wall structure is connected in the rear wheel cover, before described
Floor sill strip is connected on the floor side member leading portion body.
The present invention provides Floor frame structure after a kind of vehicle body, including rear wheel cover, rear floor crossmember and floor side member, floor side member
Including floor side member leading portion and floor side member back segment, floor side member leading portion includes floor side member leading portion body and connects with floor side member leading portion body
The joint structure connect, floor side member leading portion body is with joint structure by aluminium alloy integrally casting shaping；Rear wheel cover, rear floor crossmember and
Longeron back segment is connected on joint structure.Due to floor side member leading portion body and joint structure by aluminium alloy integrally casting into
Type, therefore joint structure can be integrated on floor side member leading portion body, it is set to avoid on rear floor crossmember by rear floor
The rear floor crossmember connector that multiple steel components such as crossbeam top connection and rear floor crossmember lower contact are spliced, so as to reduce
The number of parts of floor crossmember and the welding structure on rear floor crossmember is simplified afterwards, and then alleviate the weight of rear floor crossmember
And the strength and stiffness of rear floor crossmember are improved, to ensure the lighter in weight and strength and stiffness of Floor frame structure after vehicle body
It is higher.In addition, floor side member leading portion body not only alleviates floor side member leading portion with joint structure by aluminium alloy integrally casting shaping
Weight, and the bonding strength and rigidity of joint structure and rear wheel cover, rear floor crossmember and longeron back segment are also improved, thus into
One step ensures the lighter in weight of Floor frame structure after vehicle body and strength and stiffness are higher.
Description of the drawings
Fig. 1 is the structure diagram of Floor frame structure after the vehicle body in the embodiment of the present invention；
Fig. 2 is the explosive view of Floor frame structure after the vehicle body in the embodiment of the present invention；
Fig. 3 is the structure diagram of the floor side member leading portion in the embodiment of the present invention；
Fig. 4 is the structure diagram of the floor side member back segment in the embodiment of the present invention；
Fig. 5 is the structure diagram of the rear floor crossmember in the embodiment of the present invention；
Fig. 6 is the structure diagram of the rear wheel cover in the embodiment of the present invention；
Fig. 7 is the front view of the floor side member in the embodiment of the present invention；
Fig. 8 is the structure diagram of under body frame structure in the embodiment of the present invention.
Wherein, 1, rear wheel cover；2nd, rear floor crossmember；3rd, floor side member；31st, floor side member leading portion；311st, floor side member leading portion body；
3111st, the first reinforcing rib；3112nd, the second reinforcing rib；312nd, joint structure；3121st, the 3rd reinforcing rib；3122nd, floor side member back segment
Connector；3123rd, rear floor crossmember connector；3124th, trailing wheel shield joint；32nd, floor side member back segment；
100th, Floor frame structure after vehicle body；200th, side wall structure；300th, preceding floor sill strip.
Specific embodiment
With reference to the accompanying drawings and examples, the specific embodiment of the present invention is described in further detail.Implement below
Example is not limited to the scope of the present invention for illustrating the present invention.
In the explanation of the present invention, the descriptions of the orientation such as upper, lower, left, right, front and rear and top and bottom both for
What Fig. 1 was defined, when the modes of emplacement of Floor frame structure after vehicle body changes, corresponding orientation and top and
Bottom description will also change according to the change of modes of emplacement, and this will not be repeated here by the present invention.
With reference to shown in Fig. 1 to Fig. 6, Floor frame structure 100 after a kind of vehicle body of the preferred embodiment of the present invention, including trailing wheel
Cover 1, rear floor crossmember 2 and floor side member 3, the floor side member 3 include floor side member leading portion 31 and floor side member back segment 32, the floor side member
Leading portion 31 includes floor side member leading portion body 311 and the joint structure 312 being connected with the floor side member leading portion body 311, described
Floor side member leading portion body 311 is with the joint structure 312 by aluminium alloy integrally casting shaping；The rear wheel cover 1, the rear floor
Crossbeam 2 and the longeron back segment 32 are connected on the joint structure 312.
In embodiments of the present invention, since the floor side member leading portion body 311 and the joint structure 312 are by aluminium alloy one
Body casting, therefore the joint structure 312 can be integrated on the floor side member leading portion body 311, to avoid in institute
It states to set on rear floor crossmember 2 and be spliced by multiple steel components such as rear floor crossmember top connection and rear floor crossmember lower contact
Rear floor crossmember connector, so as to reduce it is described after floor crossmember 2 number of parts and simplify it is described after on floor crossmember 2
Welding structure, and then alleviate it is described after floor crossmember 2 weight and improve it is described after floor crossmember 2 intensity and just
Degree, to ensure the lighter in weight of Floor frame structure 100 after the vehicle body and strength and stiffness are higher.
In addition, the floor side member leading portion body 311 is not only subtracted with the joint structure 312 by aluminium alloy integrally casting shaping
The light weight of the floor side member leading portion 31, and also improve the joint structure 312 and the rear wheel cover 1, it is described after ground
The bonding strength and rigidity of plate crossbeam 2 and the longeron back segment 32, thereby further ensure that Floor frame structure after the vehicle body
100 lighter in weight and strength and stiffness is higher.
With reference to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 7, in order to avoid the floor side member leading portion 31 is crushed in collision process,
The floor side member leading portion body 311 in the present embodiment is equipped with multiple the first reinforcing ribs 3111 laterally set, and described the
One reinforcing rib 3111 is with the floor side member leading portion body 311 by aluminium alloy integrally casting shaping.Since aluminum alloy casting technique has
Beneficial to the geometry designs degree of freedom for promoting the floor side member leading portion body 311, therefore can longitudinal beam front section body 311 in the rear
Upper setting, by multiple first reinforcing ribs 3111 laterally set of aluminium alloy integrally casting shaping, passes through described first with it
The floor side member leading portion body 311 impact force suffered in collision process is passed through first reinforcing rib by reinforcing rib 3111
3111 are transferred on the joint structure 312, and are transferred to eventually by the 3rd reinforcing rib 3121 on the joint structure 312
It is described to ensure so as to provide head-on crash load transmission passage for the floor side member leading portion 31 on the floor side member back segment 32
Floor side member back segment 32 is first crushed prior to the floor side member leading portion 31, and then the floor side member leading portion 31 is avoided to be crushed.
With reference to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 7, in order to which the floor side member 3 is further avoided to be crushed in collision process,
Multiple the second longitudinally disposed reinforcing ribs 3112 are additionally provided on the floor side member leading portion body 311 in the present embodiment, and it is described
Second reinforcing rib 3112 is with first reinforcing rib 3111 by aluminium alloy integrally casting shaping；Multiple second reinforcing ribs 3112
With multiple first reinforcing rib, 3111 crisscross settings.Since aluminum alloy casting technique is conducive to before promoting the floor side member
The geometry designs degree of freedom of Duan Benti 311, therefore can set on longitudinal beam front section body 311 and strengthen with described first in the rear
Muscle 3111 and makes multiple described second by multiple longitudinally disposed second reinforcing ribs 3112 of aluminium alloy integrally casting shaping
Reinforcing rib 3112 and multiple first reinforcing rib, 3111 crisscross settings, the floor side member leading portion body 311 is being touched
Suffered impact force is distributed to each of the floor side member leading portion body 311 by second reinforcing rib 3112 during hitting
On position, so as to avoid the floor side member leading portion body 311 that stress concentration occurs, utmostly to keep the floor side member leading portion
The structural stability of body 311, and then the floor side member leading portion 31 is further avoided to be crushed.
It is described in the present embodiment in order to improve the strength and stiffness of the joint structure 312 with reference to shown in Fig. 1 to Fig. 3
Joint structure 312 is equipped with multiple the 3rd crisscross reinforcing ribs 3121, and the 3rd reinforcing rib 3121 and the connector
Structure 312 is by aluminium alloy integrally casting shaping.Since aluminum alloy casting technique is conducive to be promoted the geometry of the joint structure 312
Design freedom, thus can be set on the joint structure 312 with its by aluminium alloy integrally casting shaping it is multiple in length and breadth
The 3rd reinforcing rib 3121 staggeredly, to improve the anti-bending strength of the joint structure 312, so as to improve the connector 312
Strength and stiffness, and then further improve the strength and stiffness of Floor frame structure 100 after the vehicle body.
With reference to shown in Fig. 1 to Fig. 4, in order to make structure rationalization, to realize the floor side member back segment 32 and the floor side member
The firm connection of leading portion 31, is additionally provided with floor side member back segment connector 3122 on the joint structure 312 in this example, and it is described after
Longeron back segment connector 3122 is with the joint structure 312 by aluminium alloy integrally casting shaping；One end of the floor side member back segment 32
It is plugged in the floor side member back segment connector 3122.By being set on the joint structure 32 with it by aluminium alloy integrally casting
The molding floor side member connector 3122, and one end of the floor side member back segment 32 is plugged on the floor side member back segment connector
In 3122, securely it is connected on the floor side member leading portion 31 so as to fulfill the floor side member back segment 32.Preferably, the present embodiment
In the floor side member back segment connector 3122 be arranged on the joint structure 312 left side wall on.
Specifically, in order to improve the bonding strength of the floor side member back segment 32 and the floor side member leading portion 31, it is preferable that this
One end of the floor side member back segment 32 in embodiment is inserted into the floor side member back segment connector 3122, and passes through hot melt thread tapping
It is connected in the floor side member back segment connector 3122.Certainly, in embodiments of the present invention, the floor side member back segment 32 can also lead to
Cross and be otherwise attached in the floor side member back segment connector 3122, need to only meet be conducive to improve the floor side member back segment 32 with
In the bonding strength of longitudinal beam front section 31 after described, do not do more repeat herein.
With reference to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 5, in order to make structure rationalization, with realize it is described after floor crossmember 2 with it is described
The firm connection of floor side member leading portion 31 is additionally provided with rear floor crossmember connector 3123 on the joint structure 312 in the present embodiment,
And the rear floor crossmember connector 3123 and the joint structure 312 are by aluminium alloy integrally casting shaping；Floor crossmember 2 after described
One end grafting in the rear in floor crossmember connector 3123.By being set on the joint structure 312 with it by aluminium alloy
Integrally casting shaping it is described after floor crossmember connector 3123, and will it is described after floor crossmember 2 one end grafting in the rear
In plate beam joint 3123, securely it is connected on the floor side member leading portion 31 so as to fulfill the rear floor crossmember 2.It is preferred that
Ground, floor crossmember connector 3123 is arranged on the front side wall of the joint structure 312 after described in the present embodiment.
Specifically, in order to improve it is described after floor crossmember 2 and the floor side member leading portion 31 bonding strength, it is preferable that this
In one end insertion rear floor crossmember connector 3123 of the rear floor crossmember 2 in embodiment, and pass through hot melt thread tapping
Connection is in the rear in floor crossmember connector 3123.Certainly, in embodiments of the present invention, the rear floor crossmember 2 can also lead to
Cross be otherwise attached to it is described after in floor crossmember connector 3123, need to only meet be conducive to improve it is described after floor crossmember 2 with
In the bonding strength of longitudinal beam front section 31 after described, do not do more repeat herein.
With reference to shown in Fig. 1, Fig. 2, Fig. 3 and Fig. 6, in order to make structure rationalization, to realize that the rear wheel cover 1 is indulged afterwards with described
The firm connection of beam leading portion 31, is additionally provided with trailing wheel shield joint 3124 on the joint structure 312 in the present embodiment, and it is described after
Shield joint 3124 is taken turns with the joint structure 312 by aluminium alloy integrally casting shaping；The rear wheel cover 1 is connected to the rear wheel cover
On connector 3124.By setting the trailing wheel shield joint with it by aluminium alloy integrally casting shaping on the joint structure 32
3124, and the rear wheel cover 1 is connected on the trailing wheel shield joint 3124, it is securely connected so as to fulfill the rear wheel cover 1
In the rear on longitudinal beam front section 31.Preferably, the trailing wheel shield joint 3124 in the present embodiment is arranged on the joint structure 312
Roof on.
Specifically, in order to improve the bonding strength of the rear wheel cover 1 and the floor side member leading portion 31, it is preferable that this implementation
The rear wheel cover 1 in example is taken turns by spot-welded on shield joint 3124 in the rear.Certainly, in embodiments of the present invention, institute
Stating rear wheel cover 1 can also be connected to otherwise on the trailing wheel shield joint 3124, need to only meet and be conducive to described in raising
Rear wheel cover 1 with it is described after longitudinal beam front section 31 bonding strength, do not do more repeat herein.
In embodiments of the present invention, in order to further ensure that in 3 collision process of longeron in the rear, the floor side member back segment
32 are crushed prior to the floor side member leading portion 31, and the floor side member back segment 32 in the present embodiment is extruded by aluminium alloy extrusions
Type.Since the rigidity and intensity of the floor side member back segment 32 by aluminium alloy extrusions extrusion molding are below cast by aluminium alloy
The molding floor side member leading portion 31, so as to ensure in 3 collision process of longeron in the rear, the floor side member back segment 32 is first
It is crushed in the floor side member leading portion 31, and then can utmostly keep the structural stability of the floor side member leading portion 31,
The floor side member leading portion 31 further to be avoided to be crushed.
In addition, in embodiments of the present invention, since the energy absorbing efficiency of aluminium alloy is higher than the energy absorbing efficiency of steel, so as to improve
The resistance to compression of the floor side member leading portion 31 and the floor side member back segment 32 is burst ability, thereby reduces 31 He of floor side member leading portion
The risk that the floor side member back segment 32 is crushed in 3 collision process of longeron in the rear.
In embodiments of the present invention, in order to mitigate it is described after floor crossmember 2 weight and improve it is described after floor crossmember 2
Strength and stiffness, floor crossmember 2 is horizontal to avoid floor after described by aluminium alloy extrusions extrusion molding after described in the present embodiment
Beam 2 is formed by multiple steel components weldings, and since the material of the rear floor crossmember 2 is aluminium alloy, so as to further subtract
It is light it is described after floor crossmember 2 weight and further improve it is described after floor crossmember 2 strength and stiffness, so as to further
Ensure the lighter in weight of Floor frame structure 100 after the vehicle body and strength and stiffness are higher.
In embodiments of the present invention, in order to mitigate the weight of the rear wheel cover 1 and improve the rear wheel cover 1 intensity and just
It spends, the rear wheel cover 1 in the present embodiment is spelled by aluminium alloy casting to avoid the rear wheel cover 1 by multiple steel components
It welds, and since the material of the rear wheel cover 1 is aluminium alloy, so as to alleviate the weight of the rear wheel cover 1 and further
Improve the strength and stiffness of the rear wheel cover 1, thereby further ensure that the weight of Floor frame structure 100 after the vehicle body compared with
Light and strength and stiffness are higher.
In addition, in embodiments of the present invention, it is necessary to illustrate, the rear hubcap 1, the rear floor in the present embodiment
Crossbeam 2, the floor side member leading portion 31 and the floor side member back segment 32 are made of aluminium alloy, to ensure after the vehicle body sheet frame
Frame structure 100 is made of aluminium alloy, so that it is guaranteed that mitigating the weight of Floor frame structure 100 after the vehicle body.
With reference to shown in Fig. 1, Fig. 2 and Fig. 8, in order to solve the technical issues of identical, the present invention also provides a kind of under body frames
Frame structure, including Floor frame structure 100 after side wall structure 200, preceding floor sill strip 300 and above-mentioned vehicle body, the side
Closed structure 200 is connected in the rear wheel cover 1, and the preceding floor sill strip 300 is connected to the floor side member leading portion body 311
On.
To sum up, the present invention provides Floor frame structure 100 after a kind of vehicle body, including rear wheel cover 1, rear floor crossmember 2 and after
Longeron 3, floor side member 3 include floor side member leading portion 31 and floor side member back segment 32, and floor side member leading portion 31 includes floor side member leading portion body 311
And the joint structure 312 being connected with floor side member leading portion body 311, floor side member leading portion body 311 are closed with joint structure 312 by aluminium
Golden integrally casting shaping；Rear wheel cover 1, rear floor crossmember 2 and longeron back segment 32 are connected on joint structure 312.Due to rear
Joint structure 312 can be integrated in by longitudinal beam front section body 311 and joint structure 312 by aluminium alloy integrally casting shaping
On floor side member leading portion body 311, set to avoid on rear floor crossmember 2 by under rear floor crossmember top connection and rear floor crossmember
The rear floor crossmember connector that multiple steel components such as connector are spliced, so as to reduce the number of parts of rear floor crossmember 2 simultaneously
The welding structure on rear floor crossmember 2 is simplified, and then alleviates the weight of rear floor crossmember 2 and improves rear floor crossmember 2
Strength and stiffness, to ensure the lighter in weight of Floor frame structure 100 after vehicle body and strength and stiffness are higher.It is in addition, rear vertical
Beam leading portion body 311 is not only alleviated the weight of floor side member leading portion 31 with joint structure 312 by aluminium alloy integrally casting shaping, and
And the bonding strength and rigidity of joint structure 312 and rear wheel cover 1, rear floor crossmember 2 and longeron back segment 32 are also improved, thus into
One step ensures the lighter in weight of Floor frame structure 100 after vehicle body and strength and stiffness are higher.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the technical principles of the invention, several improvement and replacement can also be made, these improve and replace
Also it should be regarded as protection scope of the present invention.
Claims (10)
1. Floor frame structure after a kind of vehicle body, which is characterized in that including rear wheel cover, rear floor crossmember and floor side member, after described
Longeron includes floor side member leading portion and floor side member back segment, and the floor side member leading portion includes floor side member leading portion body and indulged afterwards with described
The joint structure of beam leading portion body connection, the floor side member leading portion body and the joint structure by aluminium alloy integrally casting into
Type；The rear wheel cover, the rear floor crossmember and the longeron back segment are connected on the joint structure.
2. Floor frame structure after vehicle body as described in claim 1, which is characterized in that the floor side member leading portion body is equipped with
Multiple the first reinforcing ribs laterally set, and first reinforcing rib and the floor side member leading portion body are by aluminium alloy integrally casting
Shaping.
3. Floor frame structure after vehicle body as claimed in claim 2, which is characterized in that also set on the floor side member leading portion body
Have multiple the second longitudinally disposed reinforcing ribs, and second reinforcing rib and first reinforcing rib by aluminium alloy integrally casting into
Type；Multiple second reinforcing ribs and multiple crisscross settings of first reinforcing rib.
4. Floor frame structure after vehicle body as described in claim 1, which is characterized in that the joint structure is equipped with multiple vertical
3rd reinforcing rib of traversed by mistake, and the 3rd reinforcing rib and the joint structure are by aluminium alloy integrally casting shaping.
5. such as Floor frame structure after claim 1-4 any one of them vehicle bodies, which is characterized in that on the joint structure
Floor side member back segment connector is additionally provided with, and the floor side member back segment connector and the joint structure are by aluminium alloy integrally casting shaping；
One end of the floor side member back segment is plugged in the floor side member back segment connector.
6. such as Floor frame structure after claim 1-4 any one of them vehicle bodies, which is characterized in that on the joint structure
Rear floor crossmember connector is additionally provided with, and the rear floor crossmember connector and the joint structure are by aluminium alloy integrally casting shaping；
One end grafting of the rear floor crossmember is in the rear in floor crossmember connector.
7. such as Floor frame structure after claim 1-4 any one of them vehicle bodies, which is characterized in that on the joint structure
Trailing wheel shield joint is additionally provided with, and the trailing wheel shield joint and the joint structure are by aluminium alloy integrally casting shaping；The trailing wheel
Cover is connected on the trailing wheel shield joint.
8. such as Floor frame structure after claim 1-4 any one of them vehicle bodies, which is characterized in that the floor side member back segment
By aluminium alloy extrusions extrusion molding.
9. such as Floor frame structure after claim 1-4 any one of them vehicle bodies, which is characterized in that floor crossmember after described
By aluminium alloy extrusions extrusion molding.
10. such as Floor frame structure after claim 1-4 any one of them vehicle bodies, which is characterized in that the rear wheel cover is by aluminium
Alloy casting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401088.8A CN108045442B (en) | 2017-12-20 | 2017-12-20 | Floor frame construction behind automobile body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711401088.8A CN108045442B (en) | 2017-12-20 | 2017-12-20 | Floor frame construction behind automobile body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108045442A true CN108045442A (en) | 2018-05-18 |
| CN108045442B CN108045442B (en) | 2023-09-01 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711401088.8A Active CN108045442B (en) | 2017-12-20 | 2017-12-20 | Floor frame construction behind automobile body |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109204474A (en) * | 2018-11-09 | 2019-01-15 | 浙江众泰汽车制造有限公司 | A kind of automobile rear longitudinal girder assembly and automobile |
| CN110641560A (en) * | 2018-06-26 | 2020-01-03 | 本田技研工业株式会社 | Rear floor structure of vehicle body |
| CN111376994A (en) * | 2018-12-28 | 2020-07-07 | 长城汽车股份有限公司 | Force transmission structure and vehicle |
| 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 |
| CN112441117A (en) * | 2019-08-30 | 2021-03-05 | 泰牛汽车技术(苏州)有限公司 | Multifunctional joint of frame longitudinal beam, rear longitudinal beam and C column and automobile |
| CN112606915A (en) * | 2020-12-28 | 2021-04-06 | 湖南大学 | Connecting structure for rear vehicle body of passenger vehicle and vehicle body structure |
| CN113771947A (en) * | 2020-06-10 | 2021-12-10 | 广州汽车集团股份有限公司 | Automobile rear longitudinal beam structure, assembly and automobile |
| WO2022031991A1 (en) * | 2020-08-07 | 2022-02-10 | Tesla, Inc. | Integrated energy absorbing castings |
| CN115092264A (en) * | 2022-06-23 | 2022-09-23 | 重庆长安汽车股份有限公司 | Rear structure of automobile rear body |
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| WO2022031991A1 (en) * | 2020-08-07 | 2022-02-10 | Tesla, Inc. | Integrated energy absorbing castings |
| CN112606915B (en) * | 2020-12-28 | 2022-03-25 | 湖南大学 | Connecting structure for rear vehicle body of passenger vehicle and vehicle body structure |
| CN112606915A (en) * | 2020-12-28 | 2021-04-06 | 湖南大学 | Connecting structure for rear vehicle body of passenger vehicle and vehicle body structure |
| CN115092264A (en) * | 2022-06-23 | 2022-09-23 | 重庆长安汽车股份有限公司 | Rear structure of automobile rear body |
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