CN110854332B - Battery bracket of electric automobile - Google Patents
Battery bracket of electric automobile Download PDFInfo
- Publication number
- CN110854332B CN110854332B CN201911191621.1A CN201911191621A CN110854332B CN 110854332 B CN110854332 B CN 110854332B CN 201911191621 A CN201911191621 A CN 201911191621A CN 110854332 B CN110854332 B CN 110854332B
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- Prior art keywords
- mounting
- hole
- battery bracket
- positioning pin
- plate
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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
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- 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
-
- 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)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses an electric automobile battery bracket which comprises a longitudinal beam and a plurality of mounting units arranged at intervals along the longitudinal direction, wherein the longitudinal beam is used for connecting the mounting units into a whole, each mounting unit comprises a cross beam and two mounting parts respectively arranged at two opposite ends of the cross beam, the two mounting parts are used for being fixedly connected to an electric automobile, a mounting groove is defined between the two mounting parts and the corresponding cross beam together, and the mounting groove is used for mounting a battery.
Description
Technical Field
The invention relates to the field of electric automobiles, in particular to the technical field of battery brackets of electric automobiles.
Background
Along with the improvement of the environmental awareness of people, the electric automobile is more and more popularized as a new energy green vehicle, and because the electric automobile adopts a vehicle-mounted battery to supply power to a motor so as to output power, the electric automobile has obvious effects in the aspects of energy conservation and environmental protection.
In order to realize functions such as higher endurance mileage, a plurality of battery packs are required to be arranged on the electric vehicle, each battery pack generally comprises an installation bracket and a battery, the existing installation bracket is generally plate-shaped and is provided with 10-12 lifting lugs, and the lifting lugs are heavy, so that the overall weight of the battery pack is overlarge, and the battery pack is very difficult to assemble and disassemble.
Disclosure of Invention
The invention mainly aims to provide a battery bracket of an electric vehicle, and aims to solve the problem that a battery pack is heavy due to the fact that a lifting lug of a traditional electric vehicle is heavy.
In order to achieve the purpose, the electric vehicle battery bracket provided by the invention is used for mounting batteries of an electric vehicle, and comprises a longitudinal beam and a plurality of mounting units which are longitudinally arranged at intervals, wherein the longitudinal beam is used for connecting the mounting units into a whole, each mounting unit comprises a cross beam and two mounting parts which are respectively arranged at two opposite ends of the cross beam, the two mounting parts are used for being fixedly connected to the electric vehicle, a mounting groove is defined between each mounting part and the corresponding cross beam, and the mounting groove is used for mounting the batteries.
Optionally, the installation department includes mount pad and connecting piece, the mount pad is equipped with logical groove along vertically running through, the connecting piece install in lead to the inslot, wherein, the connecting piece includes along relative last diaphragm and lower diaphragm and the connection of setting from top to bottom go up the diaphragm with the connecting plate of diaphragm down, the diaphragm interval down the tank bottom setting that leads to the groove, and interval department inject the mounting hole, the mounting hole cup joint with the crossbeam.
Optionally, the upper transverse plate is flush with the notch of the through groove.
Optionally, the installation department still includes the reinforcing plate, the reinforcing plate is along transversely extending, the reinforcing plate is located logical inslot, and be located go up the diaphragm with between the diaphragm down, wherein, the relative both ends of reinforcing plate are buckled respectively up or down in order to form the section of bending, two sections of bending of reinforcing plate correspond install in the both sides cell wall that leads to the groove.
Optionally, the upper transverse plate is provided with a connecting hole;
the installation department still includes bush and bolt, the bush is located the reinforcing plate with between the last diaphragm, the bush corresponds connecting hole department sets up threaded hole, for the bolt spiro union after the electric automobile, pass the connecting hole and with screw hole threaded connection.
Optionally, the installation department still includes the locating pin, the locating pin install in the up end of last diaphragm, be used for with the locating hole cooperation that sets up on the electric automobile.
Optionally, the upper end surface of the upper transverse plate is provided with two positioning pin mounting holes, the two positioning pin mounting holes are respectively arranged on two transverse sides of the mounting hole, the two positioning pin mounting holes are symmetrically distributed relative to the connecting hole, and the two positioning pin mounting holes are used for mounting the positioning pin.
Optionally, the cross beam is provided with an assembly hole, and the assembly hole is used for fixing the battery through a screwed piece in a screwed manner.
Optionally, the fitting hole is a long hole extending in the lateral direction.
Optionally, the two opposite ends of the longitudinal beam are respectively provided with a process hole, and the process holes are used for enabling electrophoresis liquid to infiltrate the inside and the outside of the longitudinal beam.
Optionally, the height of the mounting groove is 25 mm-30 mm.
According to the technical scheme, the conventional flat-plate-shaped bracket is replaced by the combined cross beam and the longitudinal beam, and the conventional lifting lug is replaced by the mounting unit, so that the battery is fixedly mounted on the electric automobile, the weight of the battery pack is effectively reduced, and the energy density of the battery pack is improved; in addition, the batteries are installed in the installation grooves, and the weight of the batteries can be uniformly distributed on the battery bracket, so that the battery bracket of the electric automobile has larger bearing capacity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic perspective view of an embodiment of a battery bracket for an electric vehicle according to the present invention;
FIG. 2 is a perspective view of one embodiment of a mounting unit of the present invention;
FIG. 3 is a top view of the mounting unit of FIG. 2;
FIG. 4 is a left side view of the mounting unit of FIG. 2;
fig. 5 is a top view of the stringer of fig. 1.
The reference numbers illustrate:
| reference numerals | Name (R) | Reference numerals | Name (R) |
| 100 | |
10 | |
| 20 | |
21 | |
| 22 | |
211 | |
| 221 | |
222 | Connecting |
| 2221 | Upper |
2222 | |
| 2223 | |
223 | Locating |
| 224 | Connecting |
225 | Positioning |
| 226 | |
227 | |
| 11 | Fabrication hole |
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, and back … …) are involved in the embodiment of the present invention, the directional indications are only used to explain the relative positional relationship between the components, the movement situation, and the like in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indications are changed accordingly.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Along with the improvement of the environmental awareness of people, the electric automobile is more and more popularized as a new energy green vehicle, and because the electric automobile adopts a vehicle-mounted battery to supply power to a motor so as to output power, the electric automobile has obvious effects in the aspects of energy conservation and environmental protection.
In order to realize functions such as higher endurance mileage, a plurality of battery packs are required to be arranged on the electric vehicle, each battery pack generally comprises an installation bracket and a battery, the existing installation bracket is generally plate-shaped and is provided with 10-12 lifting lugs, and the lifting lugs are heavy, so that the overall weight of the battery pack is overlarge, and the battery pack is very difficult to assemble and disassemble.
In view of the above, the present invention provides a battery bracket for an electric vehicle, and fig. 1 to 5 illustrate an embodiment of the battery bracket for an electric vehicle according to the present invention.
Referring to fig. 1 to 5, the battery bracket 100 for an electric vehicle is used for mounting a battery of the electric vehicle, the battery bracket 100 for an electric vehicle includes a longitudinal beam 10 and a plurality of mounting units 20 arranged at intervals along a longitudinal direction, the longitudinal beam 10 is used for integrally connecting the plurality of mounting units 20, specifically, the longitudinal beam 10 and the plurality of mounting units 20 may be connected by bonding, screwing, welding, and the like, in this embodiment, in order to better connect the longitudinal beam 10 and the mounting units 20 integrally, the mounting units 20 are connected by welding, wherein each mounting unit 20 includes a cross beam 21 and two mounting portions 22 respectively disposed at two opposite ends of the cross beam 21, the two mounting portions 22 are used for fixedly connecting to the electric vehicle, and a mounting groove (not shown) is defined between the two mounting portions 22 and the corresponding cross beam, the mounting groove is used for mounting the battery.
According to the technical scheme, the combined cross beam 21 and the longitudinal beam 10 replace the conventional flat-plate-shaped bracket and the mounting unit 20 replaces the conventional lifting lug, so that the battery is fixedly mounted on the electric automobile, the weight of the battery pack is effectively reduced, and the energy density of the battery pack is improved; in addition, the batteries are mounted in the mounting grooves, so that the weight of the batteries can be uniformly distributed on the battery bracket 100, and the battery bracket 100 of the electric vehicle has larger bearing capacity.
Further, in order to better connect the electric vehicle bracket 100 with an electric vehicle, the mounting portion 22 includes a mounting seat 221 and a connecting member 222, a through groove is longitudinally formed through the mounting seat 221, and the connecting member 222 is mounted in the through groove, wherein the connecting member 222 includes an upper transverse plate 2221 and a lower transverse plate 2223 which are oppositely arranged along the vertical direction, and a connecting plate 2222 which connects the upper transverse plate 2221 and the lower transverse plate 2223, the lower transverse plate 2223 is arranged at a position spaced from the bottom of the through groove, and a mounting hole is defined at the spaced position, and the mounting hole is sleeved with the cross beam, specifically, in this embodiment, in order to ensure the maximum bearing capacity of the cross beam 21, the cross beam 21 is welded in the mounting hole, and the mounting hole has a mouth-shaped structure, which can effectively improve the strength and rigidity of the mounting portion 22.
In order to facilitate the installation between the connecting member 222 and the electric vehicle, the upper horizontal plate 2221 is disposed flush with the notch of the through slot, so that the installation unit 20 can be installed on the electric vehicle without being limited by the width of the through slot when the width of the connecting beam of the vehicle is greater than the width of the through slot, and on the other hand, in order to ensure the bearing capacity of the upper horizontal plate 2221, in this embodiment, both sides of the upper horizontal plate 2221 are welded to the slot wall of the through slot of the installation base 221.
Further, the mounting portion 22 further includes a reinforcing plate 227, the reinforcing plate 227 extends in the transverse direction, the reinforcing plate 227 is disposed in the through slot and is located between the upper horizontal plate 2221 and the lower horizontal plate 2223, wherein two opposite ends of the reinforcing plate 227 are respectively bent upward or downward to form a bending section, the two bending sections of the reinforcing plate are correspondingly mounted on two side slot walls of the through slot, and the bending section of the reinforcing plate 227 and the upper horizontal plate 2221 or the lower horizontal plate 2223 can form a mouth-shaped structure, so as to enhance the strength and rigidity of the mounting portion 22.
Further, in order to reduce the stress of the connecting member 222, the upper cross plate 2221 is provided with a connecting hole 224; the mounting portion 22 further includes a bushing 226 and a bolt (not shown), the bushing 226 is disposed between the reinforcing plate 227 and the upper cross plate 2221, specifically, in this embodiment, the bushing 226 is welded between the reinforcing plate 227 and the upper cross plate 2221, a threaded hole is formed in the bushing 226 corresponding to the connecting hole 224, so that the bolt passes through the connecting hole 224 and is in threaded connection with the threaded hole after being screwed to the electric vehicle, the bushing 226 connects the upper cross plate 2221 and the reinforcing plate 227 into a whole, and the reinforcing plate 227 can share part of stress for the upper cross plate 2221, thereby achieving the purpose of reducing stress for the connecting member 222.
In order to facilitate the installation of the electric vehicle bracket 100, the installation part 22 further comprises a positioning pin 223, the positioning pin 223 is installed on the upper end surface of the upper transverse plate 2221 and is used for being matched with the positioning hole formed in the electric vehicle, and in the installation process, the positioning pin 223 and the positioning hole formed in the electric vehicle can be used for quickly finding the hole for positioning, so that the electric vehicle bracket 100 is positioned.
The positioning pin 223 can be mounted on the upper end surface of the upper horizontal plate 2221 by welding, bonding, or the like, and in order to facilitate mounting and dismounting of the positioning pin 223, in this embodiment, the upper end surface is provided with a positioning pin mounting hole 225, and the positioning pin 223 is mounted on the positioning pin mounting hole 225 by a thread. In order to facilitate the universal arrangement of the connecting member 222, the connecting member 222 on both sides of the cross beam 21 is kept universal, the upper end surface of the upper cross plate 2221 is provided with two positioning pin mounting holes 225, the two positioning pin mounting holes 255 are respectively arranged on both lateral sides of the mounting holes, the two positioning pin mounting holes 225 are symmetrically distributed relative to the connecting holes, the two positioning pin mounting holes 225 are used for mounting the positioning pins 223, as shown in fig. 2, two symmetrical positioning pin mounting holes 225 are provided, and the connecting member 222 can be universal for any one end of the cross beam 21.
The battery is installed in the mounting groove, and the mounting means is not limited, can be bonding, can also be welding, for the convenience of the installation and the dismantlement of battery package, adopts in this embodiment to set up the pilot hole on the crossbeam 21, be equipped with the screw thread in the pilot hole 211, the pilot hole is used for through a spiro union spare spiro union fixed the battery.
Further, because the existing batteries have different specifications, the assembly holes 211 are long holes in order to adapt to the installation of batteries with different lengths, and the long holes extend along the transverse direction so as to ensure that the distance between the two assembly holes 211 is adjustable.
In order to prevent the longitudinal beam 10 from being corroded, the two opposite ends of the longitudinal beam are respectively provided with a process hole 11 so that electrophoresis liquid can infiltrate the inside and the outside of the longitudinal beam 10, and the longitudinal beam 10 can be effectively prevented from being corroded under the infiltration of the electrophoresis liquid.
In order to transfer the weight of the battery to the battery bracket 100 of the electric vehicle, the height of the mounting groove cannot be too low to prevent the battery from being born, and cannot be too high to achieve the function of reducing the weight of the electric vehicle, after a plurality of experiments, the battery bracket of the electric vehicle can bear the battery and can reduce the weight of the electric vehicle to the maximum when the height of the mounting groove is 30 mm.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (7)
1. A battery bracket of an electric automobile is used for installing batteries of the electric automobile and is characterized in that the battery bracket of the electric automobile comprises a longitudinal beam and a plurality of installation units arranged along the longitudinal interval, the longitudinal beam is used for connecting the installation units into a whole, each installation unit comprises a cross beam and two installation parts respectively arranged at the two opposite ends of the cross beam, the two installation parts are fixedly connected to the electric automobile, a mounting groove is jointly limited between the two installation parts and the corresponding cross beam, the mounting groove is used for installing the batteries, the installation parts comprise a mounting seat and a connecting piece, the mounting seat is longitudinally provided with a through groove, the connecting piece is arranged in the through groove, wherein the connecting piece comprises an upper transverse plate and a lower transverse plate which are oppositely arranged from top to bottom and a connecting plate for connecting the upper transverse plate and the lower transverse plate, the diaphragm interval down the tank bottom setting of logical groove, in order the interval department prescribes a limit to the mounting hole, the mounting hole cup joint in the crossbeam, the installation department still includes the reinforcing plate, the reinforcing plate is along transversely extending, the reinforcing plate is located logical inslot, and be located go up the diaphragm with down between the diaphragm, wherein, the relative both ends of reinforcing plate are buckled respectively up or down in order to form the section of bending, two sections of bending of reinforcing plate correspond install in the both sides cell wall that leads to the groove, go up the diaphragm and seted up the connecting hole, the installation department still includes bush and bolt, the bush is located the reinforcing plate with go up between the diaphragm, the bush corresponds connecting hole department sets up the screw hole, for the bolt spiro union is behind the electric automobile, pass the connecting hole and with screw hole threaded connection.
2. The electric vehicle battery bracket of claim 1, wherein the top cross plate is disposed flush with the notch of the through slot.
3. The battery bracket of claim 1, wherein the mounting portion further comprises a positioning pin, and the positioning pin is mounted on the upper end surface of the upper transverse plate and is used for being matched with a positioning hole formed in the electric vehicle.
4. The battery bracket of claim 3, wherein the upper transverse plate has two positioning pin mounting holes formed in an upper end surface thereof, the two positioning pin mounting holes are respectively formed on two lateral sides of the connecting hole, and the two positioning pin mounting holes are symmetrically distributed with respect to the connecting hole, and are used for mounting the positioning pin.
5. The battery bracket for an electric vehicle according to claim 1, wherein said cross member is provided with a fitting hole for screw-fixing said battery by a screw member.
6. The battery bracket for an electric vehicle according to claim 5, wherein the fitting hole is a long hole, and the long hole extends in a lateral direction.
7. The battery bracket of claim 1, wherein the longitudinal beam has a plurality of process holes at opposite ends thereof, and the process holes are used for allowing an electrophoretic fluid to infiltrate into and out of the longitudinal beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911191621.1A CN110854332B (en) | 2019-11-27 | 2019-11-27 | Battery bracket of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911191621.1A CN110854332B (en) | 2019-11-27 | 2019-11-27 | Battery bracket of electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110854332A CN110854332A (en) | 2020-02-28 |
| CN110854332B true CN110854332B (en) | 2020-11-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911191621.1A Active CN110854332B (en) | 2019-11-27 | 2019-11-27 | Battery bracket of electric automobile |
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| CN (1) | CN110854332B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP7273013B2 (en) * | 2020-09-17 | 2023-05-12 | トヨタ自動車株式会社 | vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0769078A (en) * | 1993-09-02 | 1995-03-14 | Nissan Motor Co Ltd | Battery fixing structure for electric automobile |
| CN106740031A (en) * | 2017-03-08 | 2017-05-31 | 保定中兴田野新能源汽车科技有限公司 | Electromobile frame system |
| CN207038669U (en) * | 2017-06-02 | 2018-02-23 | 陕西中九汽车工程研究院有限公司 | A kind of pure electric automobile composite battery lower box structure |
| CN110370912A (en) * | 2019-06-03 | 2019-10-25 | 潍柴动力股份有限公司 | Battery bracket connecting cross beam, battery bracket assembly and vehicle |
| CN110154728A (en) * | 2019-06-10 | 2019-08-23 | 天津恒天新能源汽车研究院有限公司 | Battery mounting bracket and electric car with it |
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2019
- 2019-11-27 CN CN201911191621.1A patent/CN110854332B/en active Active
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| CN110854332A (en) | 2020-02-28 |
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