CN216916146U - Battery fixing device of electric vehicle - Google Patents
Battery fixing device of electric vehicle Download PDFInfo
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- CN216916146U CN216916146U CN202220430096.5U CN202220430096U CN216916146U CN 216916146 U CN216916146 U CN 216916146U CN 202220430096 U CN202220430096 U CN 202220430096U CN 216916146 U CN216916146 U CN 216916146U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- 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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Abstract
The utility model provides an electric motor car battery fixing device, includes the battery case, the battery case is installed on the foundation beam, its characterized in that, install a plurality of mountings on the foundation beam, be equipped with on the mounting and buckle, bolt hole, mounting and bed frame, battery case fixed connection. The beneficial effects are as follows: the fixing part with the mass relatively smaller than that of the metal frame is used for fixing, the weight of the electric vehicle is reduced, the position and the quantity of the fixing part can be increased or decreased according to requirements, the fixing part is adapted to electric vehicle battery boxes of various models, the volume of the fixing part is smaller than that of the metal frame, and the installation of other elements on the electric vehicle and the design of the overall appearance of the electric vehicle are not affected.
Description
Technical Field
The utility model relates to the field of electric vehicle accessories, in particular to a battery fixing device for an electric vehicle.
Background
Batteries of the electric vehicle are heavy and need to be firmly fixed on the electric vehicle, otherwise, very large potential safety hazards exist. Because the structure of the electric vehicle battery is inconvenient to fix, the existing electric vehicle battery fixing adopts a battery box form, the electric vehicle battery is placed in the battery box, and then the battery box is fixed on the frame. Due to the fixing requirement, the existing battery box is fixed by adopting an annular and U-shaped metal frame, and has more defects although the firmness is strong. Because the model of electric motor car battery is different, and the battery case of its adaptation is also different, so a metal crate for fixing the battery case also need carry out customization design alone according to the specification of battery case, increases research and development cost, when the great metal crate of installation volume, still can make the frame of electric motor car, the outward appearance of other subassemblies on the car and whole electric motor car receive the limitation, metal crate can also increase the electric motor car dead weight moreover, and the power consumption is high when driving.
Disclosure of Invention
The utility model aims to solve the problems and designs a battery fixing device for an electric vehicle. The specific design scheme is as follows:
the battery box is arranged on a base beam, a plurality of fixing pieces are arranged on the base beam, a plurality of bending parts used for realizing the attachment with the base beam, a base frame and a battery box contact surface and a plurality of bolt holes used for realizing the connection with the base beam, the base frame and the battery box are arranged on the fixing pieces, the fixing pieces are fixedly connected with the base frame and the battery box, the base frame is used for integrally constructing an electric vehicle frame with the base beam, the fixing strength of the electric vehicle battery box can be increased by fixing the fixing pieces with the base frame after the frame is formed, the number of the base frames is multiple, each fixing piece is fixed with the corresponding base frame, the bolt holes comprise circular bolt holes and long circular bolt holes, the circular bolt holes are used for realizing the fixed connection with the battery box, and the position of the battery box needs to be adjusted when the battery box is arranged on the base frame, the battery case is connected with the base frame through the oblong bolt hole.
The vertical section of the base beam along the front-back direction is of a U-shaped structure, the fixing piece comprises a first fixing piece, the first fixing piece is arranged at the front end of the base beam, the middle part of the first fixing piece is provided with a first bend matched with the front end of the base beam, so that a contact surface is increased, the welding connection between the first fixing piece and the base beam is facilitated, the left side and the right side of the first fixing part are both in a shape like the Chinese character 'ji', bolt holes are arranged on the horizontal edge of the shape like the Chinese character 'ji', the bolt hole on the first fixing piece comprises a circular bolt hole and an oblong bolt hole, the front end of the first fixing piece is provided with a second bend, the front end of the first fixing piece is bent downwards to form the second bend, the base frame is clamped in the n-shaped structure to realize the limit along the front and back directions.
The mounting includes the second mounting, the second mounting install in the bottom of foundation beam, the middle part of second mounting is equipped with the third and buckles, the third buckle with the bottom surface of foundation beam agrees with mutually, increases the contact surface, is convenient for the welded connection of the two, the top surface of second mounting is equipped with the bolt hole, the bolt hole on the second mounting includes circular bolt hole, long circular bolt hole, both ends are equipped with the fourth and buckle around the second mounting, the fourth is buckled to both ends bending down forms around the second mounting, makes the second mounting is "n" shape structure for block the bed frame.
The rear end of the base beam is provided with a lining beam, the two ends of the lining beam are respectively fixedly connected with the rear part and the lower part of the base beam, a sleeper beam is arranged between the lining beam and the base beam and used for increasing the strength of the base beam, meanwhile, the lining beam and the sleeper beam can be filled for fixing a battery box as the length of the battery box is smaller than the front-back distance in the base beam, the fixing piece comprises a third fixing piece, the rear end of the third fixing piece is provided with a fifth bend which is matched and fixedly connected with the sleeper beam to increase the contact area, so that the welding strength between the third fixing piece and the sleeper beam is increased, the left end and the right end of the front side of the third fixing piece are provided with bolt holes, the bolt holes comprise circular bolt holes, the horizontal section of the third fixing piece is of a Y-shaped structure, and the left side and the right side of the third fixing piece are provided with a sixth bend, and the sixth bend is formed by bending the left end and the right end of the third fixing piece downwards, and is used for increasing the bearing strength of the third fixing piece.
The battery case middle part is equipped with the recess, foundation beam, lining roof beam all imbed in the recess, the recess divides the battery case into two battery chamber about, be countersunk bolt hole in the battery case to guarantee battery chamber's is complete, the mounting is connected with the bottom surface fixed connection of battery case, specifically do the top surface of second mount with the bottom surface bolted connection of battery case, the recess forms cyclic annular parcel with the mounting the foundation beam plays the effect similar to the clamp.
The battery box is characterized in that a boss is arranged at the edge of the top surface of the battery box, the fixing pieces are fixedly connected with the boss, and specifically, the top surfaces of the first fixing piece and the third fixing piece are connected with the bottom surface of the boss through bolts.
The electric vehicle battery fixing device obtained by the technical scheme of the utility model has the beneficial effects that:
the fixing part with the mass relatively smaller than that of the metal frame is used for fixing, the weight of the electric vehicle is reduced, the position and the quantity of the fixing part can be increased or decreased according to requirements, the fixing part is adapted to electric vehicle battery boxes of various models, the volume of the fixing part is smaller than that of the metal frame, and the installation of other elements on the electric vehicle and the design of the overall appearance of the electric vehicle are not affected.
Drawings
FIG. 1 is a schematic structural view of a battery fixing device for an electric vehicle according to the present invention;
FIG. 2 is a schematic view of the construction of the fastening member of the present invention in connection with a foundation beam;
FIG. 3 is a schematic view of the first fastener of the present invention;
FIG. 4 is a schematic structural view of a second fastener of the present invention;
FIG. 5 is a schematic structural view of a third fastener of the present invention;
FIG. 6 is a schematic view of the first fastener member of the present invention attached to a base;
FIG. 7 is a schematic view of the second fastener member of the present invention attached to a base;
FIG. 8 is a schematic view of the third fastener element of the present invention attached to a base;
fig. 9 is a schematic bottom view of the battery pack according to the present invention;
FIG. 10 is a schematic view of the connection between the battery case and the first and second fixing members according to the present invention
FIG. 11 is a schematic view of the present invention in connection with a third fastener and a second fastener;
in the figure, 1, a battery box; 2. a base beam; 3. a fixing member; 3a, a first fixing piece; 3b, a second fixing piece; 3c, a third fixing piece; 4. a base frame; 5. a boss; 6. bending; 6a, first bending; 6b, second bending; 6c, third bending; 6d, fourth bending; 6e, fifth bending; 6f, sixth bending; 7. bolt holes; 7a, a circular bolt hole; 7b, oblong bolt holes; 8. a functional hole; 9. a lining beam; 10. a sleeper beam; 11. and (4) a groove.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
A battery fixing device for an electric vehicle comprises a battery box 1, wherein the battery box 1 is arranged on a base beam 2, a plurality of fixing pieces 3 are arranged on the base beam 2, a plurality of bends 6 for realizing the contact surface joint with the base beam 2, a pedestal 4 and the battery box 1 and a plurality of bolt holes 7 for realizing the connection with the base beam 2, the pedestal 4 and the battery box 1 are arranged on the fixing pieces 3, the fixing pieces 3 are fixedly connected with the pedestal 4 and the battery box 1, the pedestal 4 is used for integrally constructing an electric vehicle frame with the base beam 2, after the frame is formed, the fixing pieces 3 and the pedestal 4 can increase the fixing strength of the battery box 1 of the electric vehicle, the pedestal 4 is provided with a plurality of fixing pieces 3, each fixing piece 3 is fixed with the corresponding pedestal 4, the bolt holes 7 comprise circular bolt holes 7a and long circular bolt holes 7b, the circular bolt holes 7a are used for realizing the fixed connection with the battery box 1, since the position of the battery pack 1 needs to be adjusted when the battery pack 1 is mounted on the base frame 4, the battery pack 1 and the base frame 4 are connected by the oblong bolt hole 7 b.
The base beam 2 is of a U-shaped structure along the vertical section in the front-back direction, the fixing member 3 comprises a first fixing member 3a, the first fixing member 3a is mounted at the front end of the base beam 2, a first bend 6a matched with the front end of the base beam 2 is arranged in the middle of the first fixing member 3a, a contact surface is increased, and welding connection between the first fixing member and the base beam is facilitated, the left side and the right side of the first fixing member 3a are of 7-shaped structures, bolt holes 7 are arranged on the horizontal edge of the 7-shaped structure of the first fixing member 3a, the bolt holes on the first fixing member 3a comprise circular bolt holes 7a and long circular bolt holes 7b, a second bend 6b is arranged at the front end of the first fixing member 3a, the front end of the first fixing member 3a is bent downwards to form the second bend 6b, and the second bend 6b and the 7-shaped structure of the first fixing member 3a are integrally formed into an n-shaped structure, the base frame 4 is clamped in the n-shaped structure to realize the limit along the front and back direction.
The fixing piece 3 comprises a second fixing piece 3b, the second fixing piece 3b is installed at the bottom of the base beam 2, a third bending part 6c is arranged in the middle of the second fixing piece 3b, the third bending part 6c is matched with the bottom surface of the base beam 2, a contact surface is increased, welding connection of the third bending part and the base beam is facilitated, a bolt hole 7 is formed in the top surface of the second fixing piece 3b, the bolt hole in the second fixing piece 3b comprises a circular bolt hole 7a and an oblong bolt hole 7b, fourth bending parts 6d are arranged at the front end and the rear end of the second fixing piece 3b, the front end and the rear end of the second fixing piece 3b are bent downwards to form, and the second fixing piece 3b is of an n-shaped structure and used for clamping the base frame 4.
The rear end of the base beam 2 is provided with a lining beam 9, two ends of the lining beam 9 are respectively fixedly connected with the rear part and the lower part of the base beam 2, a sleeper beam 10 is arranged between the lining beam 9 and the base beam 2, the lining beam 9 and the sleeper beam 10 are used for increasing the strength of the base beam 2, meanwhile, as the length of the battery box 1 is smaller than the front-back distance in the base beam 2, the lining beam 9 and the sleeper beam 10 can realize filling and are used for fixing the battery box, the fixing part 3 comprises a third fixing part 3c, the rear end of the third fixing part 3c is provided with a fifth bend 6e, the fifth bend 6e is matched and fixedly connected with the sleeper beam 10 to increase the contact area, so that the welding strength between the third fixing part 3c and the sleeper beam 10 is increased, the left and right ends of the front side of the third fixing part 3c are provided with bolt holes 7, so that the bolt holes 7 comprise circular bolt holes 7a, the horizontal section of the third fixing piece 3c is of a Y-shaped structure, the left side and the right side of the third fixing piece 3c are provided with sixth bends 6f, and the sixth bends 6f are formed by downwards bending the left end and the right end of the third fixing piece 3c and are used for increasing the bearing strength of the third fixing piece 3 c.
The middle part of the battery box 1 is provided with a groove 11, the base beam 2 and the lining beam 9 are embedded into the groove 11, the battery box 1 is divided into a left battery cavity and a right battery cavity by the groove 11, countersunk bolt holes are formed in the battery box 1 to ensure the completeness of the battery cavities, the fixing piece 3 is fixedly connected with the bottom surface of the battery box 1, specifically, the top surface of the second fixing frame 3b is connected with the bottom surface of the battery box 1 through bolts, the groove 11 and the fixing piece 3 are integrally wrapped in an annular mode, and the base beam 2 plays a role similar to a hoop.
The battery box comprises a battery box body and is characterized in that a boss 5 is arranged on the edge of the top face of the battery box body 1, fixing pieces 3 are fixedly connected with the boss 5, and specifically, the top faces of a first fixing piece 3a and a third fixing piece 3c are connected with the bottom face of the boss 5 through bolts.
In the actual production and the assembling process of electric motor car, the quantity of mounting 3 can be increased or decreased according to the weight of fixed battery and battery case 1, when the battery is heavier or the battery case is bulky, increase the quantity of mounting 3 in order to increase its regional that distributes, make the battery fixed more firm, but the battery is lighter or the battery case is bulky less, can reduce mounting 3 quantity or make mounting 3 secret book arrange, under the firm circumstances of guaranteeing that battery case 1 is fixed, reduce vehicle dead weight and assembly work volume.
The fixing part 3 is located at the bottom, the front end and the rear end of the electric vehicle base beam 2, is small in size and does not occupy space, does not affect the installation and arrangement of other elements on an electric vehicle, and a functional hole 8 can be formed in the fixing part 3, so that the electric vehicle can be conveniently braked and wires and other wire harnesses are conveniently arranged and bundled.
The mounting position of the fixing frame 3 can be adjusted at will, so that the fixing frame can be adapted to battery boxes 1 of various types conveniently, and the distance between the first fixing piece 3a and the third fixing piece 3c can be adjusted conveniently due to the design of the lining beam 9 and the sleeper beam 10, so that the mounting of the battery boxes 1 with different lengths can be adapted.
The fixing piece 3 is a metal piece, and is easier to manufacture and bend and form compared with a metal frame with the existing structure, and the metal piece 3 can be easily provided with the bend 6 through metal processing machines such as a machine tool, a punching machine and the like.
The technical solutions described above only represent the preferred technical solutions of the present invention, and some possible modifications to some parts of the technical solutions by those skilled in the art all represent the principles of the present invention, and fall within the protection scope of the present invention.
Claims (3)
1. A battery fixing device for an electric vehicle comprises a battery box (1), wherein the battery box (1) is arranged on a base beam (2), and is characterized in that a plurality of fixing pieces (3) are arranged on the base beam (2), the fixing pieces (3) are provided with bends (6) and bolt holes (7), the fixing pieces (3) are fixedly connected with a base frame (4) and the battery box (1),
the fixing part (3) comprises a first fixing part (3a), a first bend (6a) is arranged in the middle of the first fixing part (3a), a bolt hole (7) is formed in the horizontal edge of the first fixing part (3a), and a second bend (6b) is arranged at the front end of the first fixing part (3 a);
or the fixing part (3) comprises a second fixing part (3b), a third bend (6c) is arranged in the middle of the second fixing part (3b), a bolt hole (7) is arranged on the top surface of the second fixing part (3b), and fourth bends (6d) are arranged at the front end and the rear end of the second fixing part (3 b);
or the fixing piece (3) comprises a third fixing piece (3c), a fifth bend (6e) is arranged at the rear end of the third fixing piece (3c), the fifth bend (6e) is fixedly connected with the sleeper beam (10), bolt holes (7) are formed in the left end and the right end of the front side of the third fixing piece (3c), and sixth bends (6f) are formed in the left side and the right side of the third fixing piece (3 c).
2. The battery fixing device for the electric vehicle as claimed in claim 1, wherein a groove (11) is formed in the middle of the battery case (1), the base beam (2) is embedded in the groove (11), and the fixing member (3) is fixedly connected to the bottom surface of the battery case (1).
3. The battery fixing device for the electric vehicle as claimed in claim 1, wherein a boss (5) is provided at an edge of a top surface of the battery case (1), and the fixing member (3) is fixedly connected to the boss (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220430096.5U CN216916146U (en) | 2022-03-01 | 2022-03-01 | Battery fixing device of electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220430096.5U CN216916146U (en) | 2022-03-01 | 2022-03-01 | Battery fixing device of electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216916146U true CN216916146U (en) | 2022-07-08 |
Family
ID=82224284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220430096.5U Active CN216916146U (en) | 2022-03-01 | 2022-03-01 | Battery fixing device of electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216916146U (en) |
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2022
- 2022-03-01 CN CN202220430096.5U patent/CN216916146U/en active Active
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