CN109178097B - Vehicle-bag integrated chassis frame - Google Patents
Vehicle-bag integrated chassis frame Download PDFInfo
- Publication number
- CN109178097B CN109178097B CN201810885693.5A CN201810885693A CN109178097B CN 109178097 B CN109178097 B CN 109178097B CN 201810885693 A CN201810885693 A CN 201810885693A CN 109178097 B CN109178097 B CN 109178097B
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- fixed
- frame
- chassis frame
- bottom plate
- tray
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/02—Understructures, i.e. chassis frame on which a vehicle body may be mounted comprising longitudinally or transversely arranged frame members
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D21/00—Understructures, i.e. chassis frame on which a vehicle body may be mounted
- B62D21/09—Means for mounting load bearing surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0405—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion characterised by their position
- B60K2001/0438—Arrangement under the floor
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention discloses a vehicle-bag integrated chassis frame which comprises a tray, two fixed longitudinal beams arranged at intervals, two fixed cross beams with two ends respectively and fixedly connected with the two fixed longitudinal beams, and two movable cross beams with two ends respectively and movably connected with the two fixed longitudinal beams, wherein the two movable cross beams are positioned between the two fixed cross beams, the two movable cross beams and the two fixed longitudinal beams are movably connected to form a frame-shaped structural body, and the tray is arranged at the bottom of the frame-shaped structural body and forms an accommodating cavity for accommodating an automobile power battery pack together with the frame-shaped structural body. The tray is arranged at the bottom of the frame-shaped structure body and forms a containing cavity with the frame-shaped structure body, so that the effect of integrating the battery tray on the frame-shaped structure body is realized, the weight of the luggage integrated chassis frame is reduced, the cost of the luggage integrated chassis frame is reduced, the two movable cross beams are movably connected with the two fixed longitudinal beams, the distance between the two movable cross beams can be adjusted according to the size of an automobile power battery pack, and the luggage integrated chassis frame is suitable for different automobile types.
Description
Technical Field
The invention relates to the technical field of new energy automobile frames, in particular to a vehicle bag integrated chassis frame.
Background
The automobile weight reduction is to reduce the mass of the automobile as much as possible on the premise of ensuring the strength and the safety performance of the automobile, thereby improving the power utilization rate of the automobile, reducing the fuel consumption and reducing the exhaust pollution, wherein the mass of the traditional fuel oil automobile is reduced by 10 percent, the oil consumption is reduced by 8 percent, and the CO2 emission is reduced by 4 percent. Compared with the traditional automobile, the new energy automobile and the electric vehicle have more urgent requirements on light weight, because the specific energy per unit of the power battery used by the electric vehicle is only 4% of that of the traditional fuel oil automobile, and the current technical situation of the power battery determines that the electric vehicle cannot realize long-distance running by supplementing energy once like the traditional automobile, according to research, the whole mass of the pure electric vehicle is reduced by 25kg, 75kg and 150kg, the driving range is increased by 1.51%, 5.45% and 12% respectively, so the light weight of the automobile is a hot spot of general research of automobile manufacturers at home and abroad at present and is also an inevitable direction of future automobile development.
The chassis frame is used for bearing a vehicle body, installing important parts of a suspension system and a three-electrical system, and in the design of a chassis of a new energy automobile electric vehicle, at present, automobile manufacturers directly use or refer to the structure of a traditional fuel oil automobile, so that the structural characteristics of the electric vehicle are not suitable, but the automobile chassis structures of different automobile manufacturers are different, and the chassis structures of different vehicle types of the same automobile manufacturer are also different, so that the research and development cost and the production cost of the automobile manufacturers are improved.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a vehicle package integrated chassis frame, which solves the technical problems that the vehicle chassis structure is heavy in weight and many in parts due to the fact that the frame and a battery tray are divided into two parts in the prior art, and the vehicle chassis structure can only be suitable for mounting a power battery pack of a vehicle.
The invention is realized by adopting the following technical scheme:
the invention provides a vehicle-bag integrated chassis frame which comprises a tray, two fixed longitudinal beams arranged at intervals, two fixed cross beams with two ends respectively fixedly connected with the two fixed longitudinal beams, and two movable cross beams with two ends respectively movably connected with the two fixed longitudinal beams, wherein the two movable cross beams are positioned between the two fixed cross beams, the two movable cross beams are movably connected with the two fixed longitudinal beams to form a frame-shaped structural body, and the tray is arranged at the bottom of the frame-shaped structural body and forms an accommodating cavity for accommodating a vehicle power battery pack with the frame-shaped structural body.
Further, the tray includes the bottom plate and welds in frame on the bottom plate outside is along, the interval is provided with a plurality of first mounting holes on the frame, the frame pass through the fastener pass behind the first mounting hole with the bottom of frame-shaped structure is connected.
Further, the vehicle package integration chassis frame further comprises a plurality of first sealing elements, and the first sealing elements are installed between the frame and the frame-shaped structural body.
Further, the tray also comprises a plurality of liquid flow channels which are arranged side by side and used for cooling or heating the automobile power battery pack, and the liquid flow channels are all arranged on the bottom plate.
Further, each liquid flow channel is provided with a pipeline, a liquid outlet and two liquid inlets, the pipeline is located in the bottom plate and extends from one end of the bottom plate to the other end of the bottom plate, the two liquid inlets are respectively located at two ends of the pipeline and are communicated with the pipeline, and the liquid outlet is located in the middle of the pipeline and is communicated with the pipeline.
Further, the tray still includes two first shrouding and transversely is fixed in bottom plate middle part position and with pipeline parallel arrangement's intermediate beam, two weld respectively in one side of first shrouding at intermediate beam's both ends, two the another side of first shrouding respectively with two fixed longeron is connected.
Further, the first sealing plate is connected with the fixed longitudinal beam in a bolt connection mode and an adhesion mode.
Further, the integrated chassis frame of the vehicle package further comprises second seal plates welded at two ends of the movable cross beam, and the two second seal plates at two ends of the movable cross beam are respectively movably connected with the two fixed longitudinal beams.
Further, the vehicle package integration chassis frame still includes a plurality of second sealing members, the second sealing member is installed between the second shrouding and the fixed longeron.
Furthermore, a plurality of second mounting holes for fixing the movable cross beam are formed in the two fixed longitudinal beams, and the second mounting holes in each fixed longitudinal beam extend along the length direction of the fixed longitudinal beam; and/or the presence of a gas in the atmosphere,
the vehicle-package integrated chassis frame further comprises a front bumper framework and a rear bumper framework, and the front bumper framework and the rear bumper framework are fixed at two ends of the fixed longitudinal beams through fasteners respectively.
Compared with the prior art, the invention has the beneficial effects that:
the tray is arranged at the bottom of the frame-shaped structure body and forms an accommodating cavity for placing the automobile power battery pack with the frame-shaped structure body, so that the effect of integrating the battery tray on the frame-shaped structure body is realized, a part is omitted, the weight of the vehicle-bag integrated chassis frame is reduced, the modular assembly of the vehicle-bag integrated chassis frame is realized, the cost of the vehicle-bag integrated chassis frame is reduced, in addition, the two movable cross beams are movably connected with the two fixed longitudinal beams, and therefore, in the concrete application, the distance between the two movable cross beams can be flexibly adjusted according to the size of the automobile power battery pack, and the automobile power battery pack accommodating cavity is suitable for different vehicle types.
Drawings
FIG. 1 is a schematic structural view of a bag integrated chassis frame according to an embodiment of the present invention;
FIG. 2 is a schematic view of the movable beam;
FIG. 3 is a schematic structural view of a connecting block;
FIG. 4 is a schematic structural view of a power battery pack mounted on a frame of a bag integrated chassis;
FIG. 5 is a schematic view of a power battery pack mounted on a tray;
FIG. 6 is an enlarged view of a portion of FIG. 5 at A;
FIG. 7 is a cross-sectional view taken at B-B of FIG. 5;
FIG. 8 is an enlarged partial view of FIG. 7 at C;
fig. 9 is a schematic structural view of the cover plate mounted on the bag integrated chassis frame.
In the figure: 10. a tray; 11. a base plate; 12. a frame; 121. a first mounting hole; 13. a first seal plate; 14. a liquid flow passage; 141. a pipeline; 142. a liquid outlet; 143. a liquid inlet; 15. a middle cross beam; 20. fixing the longitudinal beam; 30. fixing the cross beam; 40. a movable cross beam; 41. a second seal plate; 50. connecting blocks; 51. a first connection portion; 52. a second connecting portion; 53. a third mounting hole; 60. a power battery pack; 70. a cover plate; 80. a front bumper frame; 90. a rear bumper frame; 100. an energy absorbing structure; 110. an auxiliary beam.
Detailed Description
The present invention is further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the case of no conflict, any combination between the embodiments or technical features described below may form a new embodiment.
As shown in fig. 1-9, the invention provides a vehicle-bag integrated chassis frame, which comprises a tray 10, two fixed longitudinal beams 20, two fixed cross beams 30 and two movable cross beams 40, wherein the two fixed longitudinal beams 20 are arranged at intervals, two ends of the two fixed cross beams 30 are respectively and fixedly connected with the two fixed longitudinal beams 20, two ends of the two movable cross beams 40 are respectively and movably connected with the two fixed longitudinal beams 20, the two movable cross beams 40 are positioned between the two fixed cross beams 30, and the two movable cross beams 40 and the two fixed longitudinal beams 20 are movably connected to form a frame-shaped structure body, so that the interval between the two movable cross beams 40 can be flexibly adjusted according to the size of a vehicle power battery pack 60, and the vehicle-bag integrated chassis frame is suitable for different vehicle types.
The tray 10 is installed in the bottom of the frame-shaped structure body and forms a containing cavity used for placing the automobile power battery pack 60 with the frame-shaped structure body, so that the effect of integrating the battery tray 10 on the frame-shaped structure body is achieved, a part is omitted, the weight of the luggage integrated chassis frame is reduced, the modularized assembly of the luggage integrated chassis frame is achieved, and the cost of the luggage integrated chassis frame is reduced.
The fixed longitudinal beam 20 and the fixed transverse beam 30 in the embodiment are formed by bending magnesium alloy sections, the vehicle-bag integrated chassis frame made of magnesium alloy is made of high-strength corrosion-resistant flame-retardant magnesium alloy added with trace elements such as Nd, ca, sr, ce, Y and the like, all parts made of the magnesium alloy are free of oxidation phenomenon in severe environment, and have the performances such as corrosion resistance, flame retardance, high strength and the like.
In this embodiment, the tray 10 includes a bottom plate 11 and a frame 12 welded to the outer edge of the bottom plate 11, a plurality of first mounting holes 121 are disposed at intervals on the frame 12, and the frame 12 is connected to the bottom of the frame-shaped structure after passing through the first mounting holes 121 by a fastener, specifically, the frame 12 abuts against the bottoms of two movable cross beams 40 and one part of two fixed longitudinal beams 20 at the same time, so as to stably fix the tray 10 on the vehicle-bag integrated chassis frame.
As a preferred embodiment, the bag-in-one chassis frame further includes a plurality of first sealing members, preferably silicone gaskets, the first sealing members are installed between the frame 12 and the frame-shaped structure, so as to increase the sealing performance between the bottom plate 11 and the frame-shaped structure, and the bag-in-one chassis frame is covered above the accommodating cavity through a cover plate 70, so that the accommodating cavity forms a sealed box body for installing the power battery pack 60 of the automobile.
The tray 10 further includes a plurality of liquid flow passages 14, the plurality of liquid flow passages 14 being arranged side by side and used for cooling or heating the power battery pack 60 of the automobile, and the plurality of liquid flow passages 14 being arranged on the bottom plate 11 and corresponding to the position of the power battery pack 60.
Each liquid flow channel 14 has a pipe 141, a liquid outlet 142 and two liquid inlets 143, the pipe 141 is located in the bottom plate 11 and extends from one end of the bottom plate 11 to the other end of the bottom plate 11, the two liquid inlets 143 are located at the two ends of the pipe 141 and are communicated with the pipe 141, the liquid outlet 142 is located in the middle of the pipe 141 and is communicated with the pipe 141, the power battery pack 60 has a plurality of batteries arranged in parallel, each row has two batteries according to the size and arrangement of the batteries in the power battery pack 60, each battery is arranged between the liquid inlet 143 and the liquid outlet 142 along the length direction thereof, the two batteries arranged in parallel share one liquid outlet 142, the liquid inlet 143 and the liquid outlet 142 are provided with notches, and then are communicated with the pipe 141, and L-shaped sealing plates are welded on the notches, each liquid inlet 143 at one end of the bottom plate 11 is connected with one liquid inlet external pipe, each liquid inlet 143 at the other end is connected with another liquid inlet pipe, the two liquid inlet pipes are connected with one main pipe, and each liquid outlet 142 is connected with one main pipe.
When the power battery pack 60 needs to be cooled, the external water pump sends low-temperature cooling liquid to each liquid inlet 143 on the bottom plate 11 through the total liquid inlet pipe respectively, then the cooling liquid enters the pipeline 141 and flows to the liquid outlet 142, the cooling liquid flows into the total liquid outlet pipe through the liquid outlet 142, when the cooling liquid flows through the power battery pack 60, the heat emitted by the power battery pack 60 is conducted to the bottom plate 11 contacting with the power battery pack 60 and then exchanges heat with the cooling liquid, after the cooling liquid absorbs the heat, the temperature rises, the cooling liquid is conveyed to the condenser through the total liquid outlet pipe to cool the warmed cooling liquid, and then the cooling liquid is sent to the total liquid inlet pipe through the water pump to exchange heat with the power battery pack 60, so that the heat dissipation is performed circularly.
When the power battery pack 60 needs to be heated, the coolant is heated by the heater, the heated coolant is respectively conveyed to the liquid inlets 143 on the bottom plate 11 through the total liquid inlet pipe by the water pump and then enters the pipeline 141, the heat is conducted to the bottom plate 11 by the heated coolant, the heat is conducted to the power battery pack 60 by the bottom plate 11 for heating, the temperature of the coolant subjected to heat exchange is reduced, the coolant is conveyed to the heater by the total liquid outlet pipe for heating, and the coolant is conveyed to the total liquid inlet pipe by the water pump for heat exchange with the power battery pack 60, so that the power battery pack 60 is heated in a circulating manner.
The tray 10 further comprises two first sealing plates 13 and a middle cross beam 15, the middle cross beam 15 is transversely fixed on the middle position of the bottom plate 11 and is arranged in parallel with the pipeline 141, the middle cross beam 15 is of a hollow structure formed by extrusion of magnesium alloy profiles, the middle cross beam cannot be fixed on the fixed longitudinal beam 20, therefore, the two ends of the middle cross beam 15 are respectively welded with one first sealing plate 13, the first sealing plates 13 are provided with mounting hole positions, one side surfaces of the two first sealing plates 13 are respectively welded at the two ends of the middle cross beam 15, the other side surfaces of the two first sealing plates 13 are respectively connected with the two fixed longitudinal beams 20, so that the middle cross beam 15 is fixed on the two fixed longitudinal beams 20.
In a preferred embodiment, the first sealing plates 13 are connected to the fixed side rails 20 by a bolt connection method and an adhesion method, after the high-viscosity structural adhesive is coated on the other side surfaces of the two first sealing plates 13, the two first sealing plates 13 are respectively fixed to the two fixed side rails 20, and the middle cross beam 15 and the two fixed side rails 20 are further fixed into a whole, so that the strength of the integrated vehicle-bag chassis frame for bearing side impact is enhanced.
In this embodiment, the vehicle package integration chassis frame further includes the second shrouding 41 that welds in movable cross member 40 both ends, because movable cross member 40 also is the hollow structure of magnesium alloy section bar extrusion, and it can't be fixed on fixed longeron 20 itself, so need respectively weld a second shrouding 41 at movable cross member 40 both ends, be provided with the installation hole site on the second shrouding 41, two second shrouding 41 at movable cross member 40 both ends respectively with two fixed longerons 20 swing joint to fix movable cross member 40 on two fixed longerons 20.
In a preferred embodiment, the package integrated chassis frame further includes a plurality of second sealing members, preferably silicone sealing gaskets, which are installed between the second sealing plate 41 and the fixed longitudinal beam 20 to achieve the sealing connection between the fixed longitudinal beam 20 and the movable cross beam 40.
As a preferred embodiment, a plurality of second mounting holes for fixing the movable cross beam 40 are formed in each of the two fixed longitudinal beams 20, the plurality of second mounting holes in each of the fixed longitudinal beams 20 extend along the length direction of the fixed longitudinal beam 20, and the distance between the two movable cross beams 40 can be adjusted according to the size and specification of the battery of the electric vehicle, that is, when different power battery packs 60 are used in the same model, the distance between the two movable cross beams 40 only needs to be adjusted to meet the requirements of different models.
In this embodiment, the vehicle-package integrated chassis frame further includes a plurality of connecting blocks 50, each connecting block 50 includes a first connecting portion 51 and a second connecting portion 52, the first connecting portion 51 and the second connecting portion 52 are integrally formed, the first connecting portion 51 abuts against the fixed longitudinal beam 20 and is detachably connected with the fixed longitudinal beam 20 through a fastener, the second connecting portion 52 abuts against the fixed cross beam 30 and is detachably connected with the fixed cross beam 30 through a fastener, so that the fixed cross beam 30 and the fixed longitudinal beam 20 therein can be replaced at any time, modular assembly of the vehicle-package integrated chassis frame is realized, and further production cost of the vehicle-package integrated chassis frame is reduced, preferably, the connecting block 50 is a "T" block, and a plurality of third mounting holes 53 for penetrating and connecting fasteners are formed in the "T" block.
In a preferred embodiment, both ends of the fixed cross member 30 are transversely adhered to the two fixed longitudinal members 20, and after the connecting blocks 50 are mounted on the fixed cross member 30 and the fixed longitudinal members 20, high-viscosity structural adhesive is applied to the joints between the fixed cross member 30 and the fixed longitudinal members 20 to integrally bond the fixed cross member 30 and the fixed longitudinal members 20, thereby further enhancing the connection strength of the bag-in-one chassis frame.
The vehicle-package integrated chassis frame further comprises a front bumper framework 80 and a rear bumper framework 90, the front bumper framework 80 and the rear bumper framework 90 are respectively fixed at the front end and the rear end of the two fixed longitudinal beams 20 through bolts, the front bumper framework 80 and the rear bumper framework 90 in the chassis frame are respectively provided with an energy-absorbing structure 100, the energy-absorbing structure 100 is a thin-wall magnesium alloy extruded section and is welded with a bumper framework cross beam into a whole, the fixed longitudinal beam 20 in the chassis frame in the embodiment is a main stress body of the vehicle frame, and when a vehicle is collided forwards or backwards, the impact force is transmitted to the fixed longitudinal beam 20 of the vehicle frame after being absorbed by the energy-absorbing structure 100 on the bumper framework. The fixed longitudinal beam 20 is designed in a straight-through mode, so that the front and rear impact resistance is enhanced, the problem of vehicle body fracture cannot occur when the automobile is subjected to side impact due to the integral straight-through structure, and the side impact resistance is further improved by the middle cross beam 15 arranged on the chassis.
The bag integrated chassis frame in the embodiment further includes a plurality of auxiliary cross beams 110, two ends of the auxiliary cross beams 110 are respectively and fixedly connected to the two fixed longitudinal beams 20, the functions of the auxiliary cross beams 110 are the same as those of the fixed cross beams 30, all the functions are to enhance the rigidity of the bag integrated chassis frame, and the auxiliary cross beams 110 can be set in specific number according to actual needs.
In the embodiment, the material of the integrated chassis frame of the vehicle package is an oxidation-resistant and high-strength light magnesium alloy material, and the magnesium alloy is added with trace elements such as Nd, ca, sr, ce, Y and the like to improve the strength, flame retardance and corrosion resistance of the magnesium alloy. If the yield strength of the developed Mg-Nd-Zn-Zr magnesium alloy extrusion section can reach 394Mpa and the tensile strength can reach 417Mpa, the integrated modularized lightweight magnesium alloy chassis frame of the new-energy automobile is provided, the whole automobile mass is reduced, the energy consumption is reduced, and the endurance mileage of the electric automobile is prolonged on the premise of ensuring the strength, the whole automobile mass can be reduced by 190kg by adopting the scheme of the frame, and the liquid flow channel 14 is arranged on the bottom plate 11 and can cool or heat the power battery pack 60. Meanwhile, the magnesium alloy extrusion section is processed and molded, all parts are connected by bolts, the production process is simplified, and the production efficiency is improved.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.
Claims (10)
1. The utility model provides a car package integration chassis frame which characterized in that: including tray, two fixed longerons that the interval set up, two both ends respectively fixed connection two the fixed cross beam and two both ends difference swing joint two of fixed longeron the movable cross beam of fixed longeron, two movable cross beam is located two between the fixed cross beam, and two movable cross beam and two fixed longeron swing joint forms a frame shape structure, the tray install in the bottom of frame shape structure and with the frame shape structure forms the holding chamber that is used for placing car power battery group, two all be provided with a plurality of being used for fixing on the fixed longeron the second mounting hole of movable cross beam, every a plurality of on the fixed longeron the second mounting hole is all followed the length direction of fixed longeron extends the setting.
2. The bag-in-one chassis frame according to claim 1, wherein the tray comprises a bottom plate and a frame welded to the outer edge of the bottom plate, a plurality of first mounting holes are formed in the frame at intervals, and the frame is connected with the bottom of the frame-shaped structure after penetrating through the first mounting holes through fasteners.
3. The package-in-a-chassis frame of claim 2, further comprising a plurality of first sealing members mounted between the rim and the frame structure.
4. The bag-in-one chassis frame according to claim 2, wherein the tray further comprises a plurality of liquid flow passages arranged side by side for cooling or heating the automotive power battery pack, the plurality of liquid flow passages being arranged on the bottom plate.
5. The bag-in-one chassis frame according to claim 4, wherein each liquid flow passage has a pipe located in the bottom plate and extending from one end of the bottom plate to the other end of the bottom plate, a liquid outlet located in the middle of the pipe and communicating with the pipe, and two liquid inlets located at both ends of the pipe and communicating with the pipe.
6. The vehicle-bag integrated chassis frame according to claim 5, wherein the tray further comprises two first sealing plates and a middle cross beam transversely fixed at the middle position of the bottom plate and arranged in parallel with the pipeline, one side surfaces of the two first sealing plates are respectively welded at two ends of the middle cross beam, and the other side surfaces of the two first sealing plates are respectively connected with the two fixed longitudinal beams.
7. The bag-in-one chassis frame according to claim 6, wherein the first cover plate is connected with the fixed longitudinal beam by means of bolt connection and adhesion.
8. The package-in-a-vehicle chassis frame according to claim 1, further comprising second sealing plates welded to both ends of the movable cross member, wherein the two second sealing plates at both ends of the movable cross member are movably connected to the two fixed longitudinal beams, respectively.
9. The package-integrated chassis frame according to claim 8, further comprising a second plurality of seals mounted between the second closure plate and the fixed rail.
10. The package-integrated chassis frame according to claim 1, further comprising a front bumper frame and a rear bumper frame, wherein the front bumper frame and the rear bumper frame are respectively fixed at two ends of the two fixed longitudinal beams through fasteners.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810885693.5A CN109178097B (en) | 2018-08-06 | 2018-08-06 | Vehicle-bag integrated chassis frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810885693.5A CN109178097B (en) | 2018-08-06 | 2018-08-06 | Vehicle-bag integrated chassis frame |
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| Publication Number | Publication Date |
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| CN109178097A CN109178097A (en) | 2019-01-11 |
| CN109178097B true CN109178097B (en) | 2023-01-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810885693.5A Active CN109178097B (en) | 2018-08-06 | 2018-08-06 | Vehicle-bag integrated chassis frame |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110588313A (en) * | 2019-09-18 | 2019-12-20 | 天津科斯特汽车技术有限责任公司 | Chassis structure of electric automobile |
| CN110509999A (en) * | 2019-10-08 | 2019-11-29 | 湖南恒润汽车有限公司 | A kind of passenger car lower body structure |
| CN114735082B (en) * | 2022-04-01 | 2024-04-09 | 岚图汽车科技有限公司 | Telescopic beam, telescopic chassis and vehicle |
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| FR3001185A1 (en) * | 2013-01-24 | 2014-07-25 | Courb | Terrestrial vehicle i.e. light electric car, has sealing packing interposed between floor and part of upper edge such that floor, frame, and sealing packing contribute to form watertight bell that caps electrical supply unit |
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| CN109178097A (en) | 2019-01-11 |
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