CN115249866A - Battery package mounting structure, frame subassembly and vehicle - Google Patents
Battery package mounting structure, frame subassembly and vehicle Download PDFInfo
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- CN115249866A CN115249866A CN202210872059.4A CN202210872059A CN115249866A CN 115249866 A CN115249866 A CN 115249866A CN 202210872059 A CN202210872059 A CN 202210872059A CN 115249866 A CN115249866 A CN 115249866A
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- frame
- supporting rod
- plate
- battery pack
- mounting structure
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- 230000008093 supporting effect Effects 0.000 claims abstract description 104
- 230000003014 reinforcing effect Effects 0.000 claims description 18
- 230000008901 benefit Effects 0.000 abstract description 6
- 239000013585 weight reducing agent Substances 0.000 abstract description 4
- 230000001976 improved effect Effects 0.000 description 9
- 230000005484 gravity Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
-
- 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
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
- H01M50/264—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks for cells or batteries, e.g. straps, tie rods or peripheral frames
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention provides a battery pack mounting structure, a frame assembly and a vehicle, wherein the battery pack mounting structure comprises: the supporting part comprises a plurality of supporting rods and a plurality of connecting structures, one or more connecting structures are arranged on each supporting rod, the connecting structures can be connected with the frame, the supporting rods are arranged side by side and have intervals, and two ends of at least part of the supporting rods in the width direction are respectively provided with one or more fin parts; the frame body, the frame body is injectd and is had the chamber that holds that is used for holding the battery package, wherein, is provided with the frame body between two adjacent bracing pieces, and the frame body can support to lean on the fin portion of bracing piece and link to each other with the fin portion. Compared with the scheme that the frame body is directly placed on the supporting rod, the supporting rod has the advantages that the strength of the supporting rod is guaranteed, meanwhile, the width of the supporting rod is reduced, the structure of a product is simplified, and the weight reduction design of the product is realized.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a battery pack mounting structure, a frame assembly and a vehicle.
Background
The battery package of current vehicle is often bulky, weight is big, in order to ensure the installation stability of battery package, needs to increase battery package mounting structure's intensity, leads to battery package mounting structure's structure complicacy, dead weight big like this, and how to balance battery package mounting structure's intensity and dead weight is the technological problem that this field is waited to solve urgently.
Disclosure of Invention
The invention aims to provide a battery pack mounting structure, which aims to reduce the size and the self weight of the battery pack mounting structure while ensuring the strength of the battery pack mounting structure.
In order to solve the technical problems, the invention adopts the following technical scheme:
the technical scheme of the invention provides a battery pack mounting structure, which comprises:
the supporting part comprises a plurality of supporting rods and a plurality of connecting structures, one or more connecting structures are arranged on each supporting rod and can be connected with a frame, the supporting rods are arranged side by side and have intervals, and one or more fin parts are respectively arranged at two ends of at least part of the supporting rods in the width direction;
the frame body is limited with an accommodating cavity for accommodating a battery pack, wherein the frame body is arranged between every two adjacent supporting rods, and the frame body can be abutted against the fin parts of the supporting rods and is connected with the fin parts.
According to some technical schemes of the invention, a plurality of the fins are arranged at both ends of the supporting rod in the width direction, wherein the fins positioned at the same end of the supporting rod are arranged at intervals along the length direction of the supporting rod.
According to some embodiments of the present invention, the fin has a face wall and a reinforcing structure, the face wall is connected to the side wall of the support bar, and the upper surface of the face wall is flush with the top wall of the support bar, the reinforcing structure connects the face wall and the side wall of the support bar;
the frame body is abutted against the top wall of the supporting rod and the face wall, and a fastener penetrates through the first connecting hole and is connected with the frame body so as to lock the frame body on the supporting rod.
According to some technical solutions of the present invention, the supporting portion includes two end supporting rods and one or more middle supporting rods, the two end supporting rods are arranged at a distance, the middle supporting rod is located between the two end supporting rods, and the two ends of the middle supporting rod in the width direction are respectively provided with the fin portion.
According to some technical schemes of the invention, one end of the top wall of the middle supporting rod along the width direction is bent to form a first side wall, and the other end of the top wall of the middle supporting rod is bent to form a second side wall, so that the cross section of the supporting rod is U-shaped;
one or more of the fins are connected to the first sidewall and the second sidewall, respectively.
According to some technical schemes of the invention, the two ends of the supporting rod in the length direction are respectively provided with the frame body;
the two ends of the length direction of the supporting rod are respectively provided with the connecting structures, the two ends of the supporting rod in the length direction are positioned, an interval is arranged between the two connecting structures, so that an avoiding space which can be used for the vehicle frame to pass through is defined between the two connecting structures, and the supporting rod can be assembled on the vehicle frame through the two connecting structures arranged on the supporting rod.
According to some aspects of the present invention, the connection structure includes connection side plates, each of the support rods is assembled to the frame through the connection side plate provided thereon, wherein the connection side plate includes:
a connecting plate;
the bottom plate is connected with the connecting plate, is positioned below the connecting plate and extends to two opposite sides of the connecting plate, second connecting holes are respectively formed in the areas of the two opposite sides of the connecting plate on the bottom plate, and a fastener penetrates through the second connecting holes and is connected with the supporting rod so as to lock the connecting side plate on the supporting rod;
the side plate is positioned at one end of the main plate and is connected with the main plate and the bottom plate;
the reinforcing plate is arranged at the intersection of the connecting plate and the side plate and connected with the connecting plate and the side plate, a third connecting hole is formed in the side plate and the reinforcing plate, and the fastener penetrates through the third connecting hole and can be connected with the frame to lock the connecting side plate on the frame.
According to some aspects of the present invention, the frame body includes a top cover module and two or more frame modules, each of the frame modules defining the receiving cavity, wherein,
the frame modules are sequentially stacked and arranged from bottom to top and are connected, the lower frame module is provided with a matching hole used for being connected with the fin part, and the top cover is arranged on the upper frame.
Another object of the present invention is to provide a vehicle frame assembly, comprising: a frame; in the battery pack mounting structure according to any of the above technical solutions, the frame is connected to the connection structure of the battery pack mounting structure.
It is a further object of the invention to propose a vehicle comprising: a battery pack; the frame assembly of any preceding claim, the battery pack is disposed within a receiving cavity of the frame assembly.
Compared with the scheme that the frame body is directly placed on the supporting rod, the supporting rod has the advantages that the strength of the supporting rod is guaranteed, meanwhile, the width of the supporting rod is reduced, the structure of a product is simplified, and the weight reduction design of the product is realized.
And the framework is fixed on the fin portion, and the battery package is placed in the holding cavity of framework, and the framework is fixed more firmly to the battery package, has reduced the risk of battery package landing, and the fin portion 2117 at the width direction both ends of bracing piece ensures that the stress of adjacent framework is balanced around.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the invention, as claimed.
Drawings
The above and other objects, features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.
FIG. 1 is a perspective view of a frame assembly according to an embodiment of the present invention.
Fig. 2 is a perspective view of an end support rod according to an embodiment of the present invention.
Fig. 3 is a schematic perspective view of an intermediate support rod according to an embodiment of the present invention.
Fig. 4 is a perspective view of an end connection side plate according to an embodiment of the present invention.
Fig. 5 is a perspective view of an intermediate connection side plate according to an embodiment of the present invention.
Fig. 6 is a schematic perspective view of a bottom frame module according to an embodiment of the invention.
Fig. 7 is a schematic perspective view of an intermediate layer frame module according to an embodiment of the invention.
Fig. 8 is a schematic perspective view of a top cover module according to an embodiment of the invention.
Fig. 9 is a cross-sectional structural view of an end support bar according to an embodiment of the present invention.
The reference numerals are illustrated below:
a frame 1,
A support portion 21, an end support bar 211A, a middle support bar 211B, a top wall 2111, a first side wall 2112, a second side wall 2113, a first connection hole 2114, a first hole 2115, a second hole 2116, a fin 2117, a face wall 21171, a reinforcement structure 21172, a first side wall 2113, a second side wall 2114, a first side wall 2115, a second side wall 2116, a second side wall 2117, a second side wall 21171, a reinforcement structure 21172,
End connecting side panel 221, main panel 2211, first flange 2212, reinforcing corner panel 2213, second flange 2214, third hole 2215, fourth hole 2216, fifth hole 2217, lightening hole 2218, middle connecting side panel 222, connecting panel 2221, bottom panel 2222, side panel 2223, reinforcing panel 2224, second connecting hole 2225, third connecting hole 2226, reinforcing panel,
The frame body 30, the top cover module 31, the bottom layer frame module 32A, the middle layer frame module 32B, the longitudinal beams 3211, the support pipes 32112, the bosses 32113, the first step surfaces 32114, the second step surfaces 32115, the step surfaces 32116, the cross beams 3212, the vertical posts 3213, the matching holes 3214, the accommodating cavities 3215, the panels 3216, the corner wrapping structures 3217, the first connecting structures 3218, the second connecting structures 3219, the third connecting structures 3214,
And a battery pack 2.
Detailed Description
While this invention is susceptible of embodiment in different forms, there is shown in the drawings and will herein be described in detail, specific embodiments thereof with the understanding that the present description is to be considered as an exemplification of the principles of the invention and is not intended to limit the invention to that as illustrated.
Thus, a feature indicated in this specification will serve to explain one of the features of one embodiment of the invention, and does not imply that every embodiment of the invention must have the stated feature. Further, it should be noted that this specification describes many features. Although some features may be combined to show a possible system design, these features may also be used in other combinations not explicitly described. Thus, the combinations illustrated are not intended to be limiting unless otherwise specified.
In the embodiments shown in the drawings, directional references (such as upper, lower, inner, outer, left, right, front, rear, etc.) are used to explain the structure and motion of various components of the invention not absolutely, but relatively. These illustrations are appropriate when these components are in the positions shown in the figures. If the description of the positions of these components changes, the indication of these directions changes accordingly.
Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the examples set forth herein; rather, these example embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The drawings are merely schematic illustrations of the invention and are not necessarily drawn to scale. The same reference numerals in the drawings denote the same or similar parts, and thus their repetitive description will be omitted.
The preferred embodiments of the present invention will be further described in detail with reference to the accompanying drawings.
As shown in fig. 1, some embodiments of the present invention provide a battery pack mounting structure including a support portion 21 and a frame 30.
The support portion 21 includes a plurality of support rods (the support rods can be understood with reference to the end support rods 211A in fig. 2 and the middle support rods 211B in fig. 3) and a plurality of connecting structures (the connecting structures can be understood with reference to the end connecting side plates 221 in fig. 4 and the middle connecting side plates 222 in fig. 5), each support rod is provided with one or more connecting structures, the connecting structures can be used for connecting with the frame 1, the support rods are arranged side by side and have a distance therebetween, in more detail, the support rods are arranged side by side and have a distance therebetween along the length direction of the frame 1, so as to realize that a plurality of battery packs 2 can be arranged along the length direction of the frame 1, and two ends of at least a part of the support rods in the width direction are respectively provided with one or more fins 2117. The frame 30 defines an accommodating cavity 3215 for accommodating the battery pack 2, wherein the frame 30 is disposed between two adjacent support rods, and the frame 30 can abut against the fins 2117 of the support rods and is connected to the fins 2117.
Compared with the scheme that the frame body 30 is directly placed on the supporting rod, the supporting rod has the advantages that the strength of the supporting rod is guaranteed, the width of the supporting rod is reduced, the structure of a product is simplified, and the weight reduction design of the product is realized.
And the frame 30 is fixed on the fin 2117, the battery pack 2 is placed in the accommodating cavity 3215 of the frame 30, the frame 30 fixes the battery pack 2 more firmly, the risk of slipping the battery pack 2 is reduced, and the fins 2117 at the two ends of the support rod in the width direction ensure the stress balance of the front and rear adjacent frames.
In some embodiments, the frame 30 is mounted on each of the two ends of the support rod in the length direction, so that the mounting positions of the battery packs 2 are further increased, and more battery packs 2 can be arranged on the frame 1.
The both ends of the length direction of bracing piece are equipped with connection structure respectively, have the interval between two connection structure that are located the length direction both ends of bracing piece, make inject between two connection structure and can be used for supplying the dodging space that frame 1 passed, and the bracing piece can assemble in frame 1 through setting up two connection structure above it.
Thus, after the supporting part 21 and the vehicle frame 1 are assembled, the supporting rod can penetrate through the vehicle frame 1 and extend to the two sides of the width direction of the vehicle frame 1, the battery packs 2 can be placed on the two sides of the vehicle frame 1, the integrity of the supporting rod is better, the structure is simple, the twisting performance is good, when the battery packs 2 on the left side and the right side are uneven when a vehicle runs, one battery pack 2 with the upper gravity center has the tendency of pressing down the supporting rod where the battery pack is located under the action of gravity, the other side of the supporting rod has the tendency of reversely rising, therefore, the supporting rod can be balanced to a certain degree, the risk that the gravity center of the vehicle deviates to one side is reduced, and the running safety of the vehicle is improved.
And the bracing piece itself does not with frame 1 lug connection, but assembles on frame 1 through connection structure, does benefit to the biography power that reduces between bracing piece and the frame 1 like this, and the length direction both ends of bracing piece do not receive the hindrance of frame 1 on the one hand, and balanced effect is better, and on the other hand reduces the risk that bracing piece and frame 1 damaged under the interaction force, prolongs the life of frame 1 and bracing piece, ensures the safety of traveling of vehicle.
In addition, framework 30 carries on the bracing piece, and battery package 2 is placed in the chamber 3215 that holds of framework 30, and framework 30 is more firm to battery package 2's fixed, has reduced the risk of battery package 2 landing, and battery package 2 passes power to framework 30, passes power to the bracing piece by framework 30 again, and the bracing piece atress is more even like this, does benefit to the promotion of antitorque ability.
In some embodiments, as shown in fig. 1, 2 and 3, the supporting portion 21 includes two end supporting bars 211A and one or more middle supporting bars 211B, the two end supporting bars 211A are disposed at intervals, the middle supporting bar 211B is located between the two end supporting bars 211A, and the two ends of the middle supporting bar 211B in the width direction are respectively provided with the fins 2117. The battery pack 2 needs to be carried on two sides of the middle supporting rod 211B in the width direction, the two ends of the middle supporting rod 211B in the width direction are respectively provided with the fin portion 2117, the fin portions 2117 at the two ends guarantee the stress balance of the front and back adjacent frame bodies, when the front and back battery packs 2 are uneven when a vehicle runs, one battery pack 2 with the upper gravity center has the tendency of pressing down the fin portion 2117 where the battery pack is located under the action of gravity, the fin portion 2117 on the other side of the middle supporting rod 211B has the tendency of rising reversely, and therefore the supporting rods can be balanced to a certain degree.
Note that, the end support 211A may be provided with the fin 2117, or may be provided without the fin 2117, and when the end support 211A is not provided with the fin 2117, as shown in fig. 2, the top wall 2111 of the end support 211A is provided with a first connection hole 2114 for connecting to the frame body 30, and the frame body 30 may be directly connected to the top wall of the end support 211A.
In some embodiments, one end of the top wall 2111 of the middle support bar 211B in the width direction is bent to form a first side wall 2112, and the other end is bent to form a second side wall 2113, so that the cross section of the middle support bar 211B is "U" shaped. Thus, the middle support rod 211B has better strength and rigidity, and the pit bending capability of the middle support rod 211B is improved.
Similarly, one end of the top wall 2111 of the end supporting rod 211A in the width direction is bent to form a first side wall 2112, and the other end is bent to form a second side wall 2113, so that the cross section of the end supporting rod 211A is "U". Thus, the end support rod 211A has better strength and rigidity, and the pit bending capability of the end support rod 211A is improved.
In some embodiments, as shown in fig. 4 and 5, the connection structure includes an end connection side plate 221 and an intermediate connection side plate 222, the end connection side plate 221 is disposed on the end support bar 211A, and the intermediate connection side plate 222 is disposed on the intermediate support bar 211B.
As for the intermediate connection side plates 222, in detail, each intermediate support rod 211B is provided with an intermediate connection side plate 222 so that each intermediate support rod 211B is assembled to the frame 1 through the intermediate connection side plate 222 provided thereon, and in more detail, both lengthwise ends of each intermediate support rod 211B are provided with intermediate connection side plates 222 so that each intermediate support rod 211B is assembled to the frame 1 through the two intermediate connection side plates 222 provided thereon.
The middle connection side plate 222 includes a connection plate 2221, a bottom plate 2222, a side plate 2223, and a reinforcement plate 2224. The bottom plate 2222 is coupled to the connection plate 2221, the bottom plate 2222 is positioned below the connection plate 2221 and extends to opposite sides of the connection plate 2221, the bottom plate 2222 is provided with second coupling holes 2225 at regions of the opposite sides of the connection plate 2221, respectively, and a fastener passes through the second coupling holes 2225 and is coupled to the intermediate support bar 211B to lock the intermediate connection side plate 222 to the intermediate support bar 211B. The side plate 2223 is located at one end of the main plate 2211 and connected to the main plate 2211 and the bottom plate 2222, the reinforcing plate 2224 is disposed at the intersection of the connecting plate 2221 and the side plate 2223 and connected to the connecting plate 2221 and the side plate 2223, the side plate 2223 and the reinforcing plate 2224 are provided with third connecting holes 2226, and a fastener passes through the third connecting holes 2226 and can be connected to the frame 1 to lock the middle connecting side plate 222 to the frame 1. Thus, the strength and rigidity of the middle connection side plate 222 are better, and the connection reliability of the middle connection side plate 222 is improved.
With respect to the end connecting side panel 221, in detail, the end connecting side panel 221 includes a main panel 2211, a first flange 2212, a reinforcing gusset 2213, and a second flange 2214. The lower end of the main plate 2211 is provided with a third hole 2215, and a fastener is passed through the third hole 2215 and coupled to the sidewall of the end support bar 211A to lock the end connection side plate 221 to the end support bar 211A. In detail, the side wall of the end support bar 211A is provided with a first hole 2115 for fitting with the third hole 2215. The main plate 2211 is folded towards one end of the frame 110 to the direction of the end support rod 211A to form a first flange 2212, the reinforcing angle plate 2213 is arranged at the folding position of the main plate 2211 and the first flange 2212 and is connected with the main plate 2211 and the first flange 2212, a fourth hole 2216 is arranged on the first flange 2212 and the reinforcing angle plate 2213, and a fastener penetrates through the fourth hole 2216 and is connected with the frame 110 to lock the end connecting side plate 221 on the frame 110. The lower end of the first flange 2212 is folded to form a second flange 2214, a fifth hole 2217 is formed in the second flange 2214, a fastener passes through the fifth hole 2217 and is connected with the top wall 2111 of the end support rod 211A so as to lock the end connecting side plate 221 to the end support rod 211A, and in detail, a second hole 2116 adapted to the fifth hole 2217 is formed in the top wall 2111 of the support rod 211A. Thus, the end connection side plate 221 has better strength and rigidity, which is beneficial to improving the connection reliability of the end connection side plate 221.
Optionally, the main board 2211 and the connecting board 2221 are respectively provided with lightening holes 2218.
In some embodiments, as shown in fig. 3, a plurality of fins 2117 are disposed at both ends of the middle supporting rod 211B in the width direction, wherein the fins 2117 located at the same end of the middle supporting rod 211B are arranged at intervals along the length direction of the middle supporting rod 211B, which is beneficial to reducing the stress on the individual fins 2117 and reducing the risk of bending and damaging the fins 2117 under stress.
Preferably, the wings 2117 at both ends of the support bar in the width direction are symmetrically disposed.
In some embodiments, the fin 2117 has a face wall 21171 and a stiffening structure 21172, the face wall 21171 connecting with the side walls of the intermediate support bar 211B, and the upper surface of the face wall 21171 being flush with the top wall 2111 of the intermediate support bar 211B. The reinforcing structure 21172 is connected with the face wall 21171 and the side wall of the middle supporting rod 211B, the supporting strength of the face wall 21171 is improved through the reinforcing structure 21172, and the risk that the face wall 21171 is stressed, bent and damaged is reduced.
The face wall 21171 is provided with a first connection hole 2114 for connecting with the frame body 30, the frame body 30 abuts against the top wall of the middle support rod 211B and the face wall 21171 of the fin portion 2117, and a fastener passes through the first connection hole 2114 and is connected with the frame body 30 to lock the frame body 30 to the middle support rod 211B, so that the multiple fin portions 2117 can be kept flat, the installation stability of the frame body 30 is improved, and the installation stability of the battery pack 2 is further improved.
In some embodiments, as shown in fig. 6, 7 and 8, the frame body 30 includes a top cover module 31 and more than two frame modules (the frame modules can be understood by referring to a bottom layer frame module 32A and a middle layer frame module 32B), each frame module defines a containing cavity 3215 for containing the battery pack 2, wherein the frame modules are sequentially stacked and connected from bottom to top, a lower frame module is provided with a matching hole 3214 for connecting with the first connecting hole 2114, and the top cover module 31 is disposed on the upper frame module. More battery package 2 can be placed to framework 30 like this, and battery package 2 is separated and is placed, has avoided the mutual situation of extrusion, colliding with between the battery package 2, is favorable to prolonging the life of battery package 2.
Alternatively, one of the first connection hole 2114 and the fitting hole 3214 is a circular hole, and the other is a kidney-shaped hole. The design of waist shape hole has increased the commonality of product and has reduced the assembly degree of difficulty between wing 2117 and frame 30, and it is more convenient to assemble.
Further, the frame module includes underframe and a plurality of stand 3213, and the underframe includes the longeron 3211 of two parallels and interval setting, is connected with many crossbeams 3212 that the interval was arranged between two longerons 3211, and the length direction's of two longerons 3211 both ends are connected with stand 3213 respectively, and a plurality of stands 3213 and underframe are injectd jointly and are held the chamber 3215. Therefore, the structure is simple and the assembly is convenient.
In detail, the bottom layer frame module 32A is provided with 4 vertical posts 3213, and two outer side surfaces at the bottom of the vertical posts 3213 adopt an L-shaped wrap angle structure 3217 to reinforce the 4 vertical posts 3213. The bottom frame module 32A is dropped onto the end support bars 211A and the middle support bar 211B from above. The top end of the pillar 3213 of the bottom layer frame module 32A is provided with a first connecting structure 3218, and the first connecting structure 3218 is U-shaped and provided with a mounting hole for mounting the middle layer frame module 32B.
Optionally, a panel 3216 is disposed on the bottom frame of the bottom frame module 32A.
The middle layer frame module 32B is disposed on the first connection structure 3218 of the bottom layer frame module 32A, and is connected to the first connection structure 3218 by bolts.
The top cover module 31 is located at the top layer of the frame assembly 30, in detail, a top end flange of the upright 3213 of the middle layer frame module 32B is formed with a second connecting structure 3219, and the second connecting structure 3219 is provided with a mounting hole for mounting the top cover module 31.
Furthermore, the longitudinal beam 3211 is hollow, the longitudinal beam 3211 is provided with a plurality of through holes penetrating in the height direction, support tubes 32112 are arranged in the through holes, and fasteners can penetrate through the support tubes 32112 and connect with the battery pack 2 to fix the battery pack 2 to the longitudinal beam 3211, so that the hollow longitudinal beam 3211 is beneficial to the weight reduction design of products, meanwhile, the support tubes 32112 improve the bearing capacity of the longitudinal beam 3211, the firmness of connection between the battery pack 2 and the longitudinal beam 3211 is facilitated, and the risk of loosening of the fasteners is reduced.
Optionally, as shown in fig. 9, bosses 32113 are respectively configured at both ends of the support pipe 32112 in the height direction, each boss 32113 includes a first step surface 32114, a second step surface 32115, and a step surface 32116 transitionally connecting the first step surface 32114 and the second step surface 32115, wherein the step surface 32116 contacts a side wall surface of the through hole, the first step surface 32114 contacts an inner surface of the longitudinal beam 3211 to limit the support pipe 32112 to be detached from the through hole, and the second step surface 32115 is coplanar with an outer surface of the longitudinal beam 3211. Therefore, the assembly reliability between the supporting pipe 32112 and the longitudinal beam 3211 is improved, the risk that the supporting pipe 32112 falls off is avoided, the surface smoothness of the longitudinal beam 3211 is improved, and the assembly of the battery pack 2 is facilitated.
The present invention also provides a frame assembly comprising: the vehicle frame 1 and the battery pack mounting structure as in the foregoing embodiment, the vehicle frame 1 is connected to the connection structure of the battery pack mounting structure.
The present invention also provides a vehicle comprising: the battery pack 2 and the frame assembly as in the previous embodiment, the battery pack 2 is disposed in the accommodating cavity 3215 of the frame assembly.
While the present invention has been described with reference to several exemplary embodiments, it is understood that the terminology used is intended to be in the nature of words of description and illustration, rather than of limitation. As the present invention may be embodied in several forms without departing from the spirit or essential characteristics thereof, it should also be understood that the above-described embodiments are not limited by any of the details of the foregoing description, but rather should be construed broadly within its spirit and scope as defined in the appended claims, and therefore all changes and modifications that fall within the metes and bounds of the claims, or equivalence of such metes and bounds are therefore intended to be embraced by the appended claims.
Claims (10)
1. A battery pack mounting structure, comprising:
the supporting part comprises a plurality of supporting rods and a plurality of connecting structures, one or more connecting structures are arranged on each supporting rod and can be connected with a frame, the supporting rods are arranged side by side and have intervals, and one or more fin parts are respectively arranged at two ends of at least part of the supporting rods in the width direction;
the frame body is limited with an accommodating cavity for accommodating a battery pack, wherein the frame body is arranged between every two adjacent supporting rods, and the frame body can be abutted against the fin parts of the supporting rods and is connected with the fin parts.
2. The battery pack mounting structure according to claim 1,
the two ends of the supporting rod in the width direction are provided with a plurality of the fin parts, wherein the fin parts positioned at the same end of the supporting rod are arranged at intervals along the length direction of the supporting rod.
3. The battery pack mounting structure according to claim 1 or 2,
the fin part is provided with a face wall and a reinforcing structure, the face wall is connected with the side wall of the supporting rod, the upper surface of the face wall is flush with the top wall of the supporting rod, and the reinforcing structure is connected with the face wall and the side wall of the supporting rod;
the frame body is abutted against the top wall of the supporting rod and the face wall of the fin part, and a fastener penetrates through the first connecting hole and is connected with the frame body so as to lock the frame body on the supporting rod.
4. The battery pack mounting structure according to claim 1 or 2,
the supporting part comprises two end supporting rods and one or more middle supporting rods, the two end supporting rods are arranged at intervals, the middle supporting rods are located between the two end supporting rods, and the two ends of the middle supporting rods in the width direction are respectively provided with the fin part.
5. The battery pack mounting structure according to claim 4,
one end of the top wall of the middle supporting rod along the width direction is bent to form a first side wall, and the other end of the top wall of the middle supporting rod is bent to form a second side wall, so that the cross section of the supporting rod is U-shaped;
one or more of the fins are connected to the first sidewall and the second sidewall, respectively.
6. The battery pack mounting structure according to claim 1 or 2,
the two ends of the length direction of the supporting rod are respectively provided with the frame body;
the two ends of the length direction of the supporting rod are respectively provided with the connecting structures, the two ends of the supporting rod in the length direction are positioned, an interval is arranged between the two connecting structures, so that an avoiding space which can be used for the vehicle frame to pass through is defined between the two connecting structures, and the supporting rod can be assembled on the vehicle frame through the two connecting structures arranged on the supporting rod.
7. The battery pack mounting structure according to claim 1 or 2,
the connection structure is including connecting the curb plate, every the bracing piece through set up on it connect the curb plate assemble in the frame, wherein, it includes to connect the curb plate:
a connecting plate;
the bottom plate is connected with the connecting plate, the bottom plate is positioned below the connecting plate and extends to two opposite sides of the connecting plate, second connecting holes are respectively formed in the areas of the two opposite sides of the connecting plate, and a fastening piece penetrates through the second connecting holes and is connected with the supporting rod so as to lock the connecting side plate on the supporting rod;
the side plate is positioned at one end of the main plate and is connected with the main plate and the bottom plate;
the reinforcing plate is arranged at the intersection of the connecting plate and the side plate and connected with the connecting plate and the side plate, a third connecting hole is formed in the side plate and the reinforcing plate, and the fastener penetrates through the third connecting hole and can be connected with the frame to lock the connecting side plate on the frame.
8. The battery pack mounting structure according to claim 1 or 2,
the frame body comprises a top cover module and more than two frame modules, each frame module defines the containing cavity, wherein,
the frame modules are sequentially stacked and arranged from bottom to top and are connected, the lower frame module is provided with a matching hole used for being connected with the fin part, and the top cover is arranged on the upper frame.
9. A frame assembly, comprising:
a frame;
the battery pack mounting structure according to any one of claims 1 to 8, the frame being connected to the connection structure of the battery pack mounting structure.
10. A vehicle, characterized by comprising:
a battery pack;
the frame assembly of claim 9, said battery pack being disposed within a receiving cavity of said frame assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210872059.4A CN115249866B (en) | 2022-07-19 | 2022-07-19 | Battery pack mounting structure, frame assembly and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210872059.4A CN115249866B (en) | 2022-07-19 | 2022-07-19 | Battery pack mounting structure, frame assembly and vehicle |
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| CN115249866A true CN115249866A (en) | 2022-10-28 |
| CN115249866B CN115249866B (en) | 2024-04-12 |
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| CN202210872059.4A Active CN115249866B (en) | 2022-07-19 | 2022-07-19 | Battery pack mounting structure, frame assembly and vehicle |
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Cited By (1)
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| WO2024152377A1 (en) * | 2023-01-20 | 2024-07-25 | 宁德时代新能源科技股份有限公司 | Mounting frame and vehicle |
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| CN115249866B (en) | 2024-04-12 |
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