CN212737724U - Flexible anti-torsion suspension device for power battery - Google Patents
Flexible anti-torsion suspension device for power battery Download PDFInfo
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- CN212737724U CN212737724U CN202020636511.3U CN202020636511U CN212737724U CN 212737724 U CN212737724 U CN 212737724U CN 202020636511 U CN202020636511 U CN 202020636511U CN 212737724 U CN212737724 U CN 212737724U
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- battery box
- frame
- connecting support
- frame connecting
- vulcanized rubber
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Abstract
The utility model relates to a flexible antitorque commentaries on classics suspension device of power battery, by frame linking bridge, battery box linking bridge and be fixed in vulcanized rubber between the two and constitute the device body, the upper portion back of frame linking bridge links firmly with the frame through the fastener, the bottom of battery box linking bridge links to each other with the power battery box through the fastener, the through-hole of installation vulcanized rubber has all been opened at the top of frame linking bridge bottom and battery box linking bridge, vulcanized rubber passes and connects frame linking bridge and battery box linking bridge behind the through-hole. The utility model discloses increase power battery box's antitorque commentaries on classics ability, prolonged battery box's life. And use can the attenuate alleviate battery box material when the battery box is connected to the mode, to the whole car, can play energy-conservation, increase the effect of continuation of the journey mileage.
Description
Technical Field
The utility model relates to a power battery suspension device, specific flexible antitorque suspension device of power battery that says so belongs to new energy automobile technical field.
Background
The power battery suspension device is used for connecting the power battery box and the frame, and the power battery box is arranged on the whole vehicle to provide power source for the whole vehicle. However, torsional vibration in the driving process of the vehicle can be transmitted to the power battery box through the power battery suspension device, so that higher requirements are provided for the structural strength of a battery system and the torsion resistance of a battery cell, if the suspension device has problems, the service life of the power battery box can be shortened, and the performance of the whole vehicle can be influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that, overcome prior art's shortcoming, provide a power battery flexible antitorque commentaries on classics suspension device rational in infrastructure, convenient to use.
In order to solve the technical problem, the utility model provides a flexible antitorque suspension device of power battery comprises frame linking bridge, battery box linking bridge and is fixed in the vulcanized rubber between the two and constitutes the device body, the upper portion back of frame linking bridge links firmly with the frame through the fastener, the bottom of battery box linking bridge links to each other with the power battery box through the fastener, the through-hole of installation vulcanized rubber is all opened at frame linking bridge bottom and battery box linking bridge's top, vulcanized rubber passes and connects frame linking bridge and battery box linking bridge behind the through-hole.
Furthermore, the device body totally has 6 groups, and the symmetry is installed in frame both sides, comprises same battery box linking bridge, vulcanite and the different frame linking bridge of size.
Furthermore, the frame connecting support has four sizes and is formed by welding a back plate and side plates on two sides of the back plate, a plurality of frame mounting holes matched with frame hole positions are formed in the upper portion of the back plate along the YZ plane of the whole vehicle, the lower end of the back plate is provided with a bend along the XY plane of the whole vehicle, and a through hole A for mounting vulcanized rubber is formed in the bend.
Further, the frame connecting supports 1 and 3 have the same structure, the frame connecting supports 4 and 6 have the same structure, the frame connecting supports 1 and 3 are in mirror symmetry with the frame connecting supports 4 and 6, and the frame connecting support 2 is in mirror symmetry with the frame connecting support 5.
Further, the method comprises the following steps: the vulcanized rubber is cylindrical and comprises a rubber outer ring and a rubber inner ring, a supporting plate fixedly connected with the frame connecting support is sleeved outside the rubber outer ring, and a shaft tube penetrates through the rubber inner ring along the radial direction.
Furthermore, the support plate is shuttle-shaped, mounting holes are symmetrically formed in two ends of the support plate, and M8 bolts and nuts penetrate through the mounting holes respectively to be fixed with the frame connecting support.
Further, M12 bolt has been worn to the central siphon from top to bottom, the bottom of M12 bolt is through M12 nut fastening.
Furthermore, the upper end and the lower end of the shaft tube are also provided with gaskets for clamping vulcanized rubber.
Furthermore, the battery box connecting support comprises a first U-shaped plate corresponding to the bottom of the frame connecting support, a straight steel plate is welded to the back of the first U-shaped plate, a second U-shaped plate is welded to the inner side of a chamber formed by the straight steel plate and the first U-shaped plate, and a through hole B is formed in the first U-shaped plate.
The utility model has the advantages that: the utility model discloses a power battery suspension device has used flexible rubber and frame support and battery box leg joint, has increased power battery box's antitorque commentaries on classics ability, has prolonged battery box's life. And use can the attenuate alleviate battery box material when the battery box is connected to the mode, to the whole car, can play energy-conservation, increase the effect of continuation of the journey mileage.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is an installation schematic diagram of the present invention.
Fig. 3(a) is the vulcanized rubber a-a of the present invention to the schematic diagram, (b) is the vulcanized rubber sectional view of the present invention, (c) is the vulcanized rubber top view of the present invention, (d) is the vulcanized rubber structure schematic diagram of the present invention.
Fig. 4(a) is the first form elevation of the frame connecting bracket of the present invention, (b) is the first form side view of the frame connecting bracket of the present invention, (c) is the first form plan view of the frame connecting bracket of the present invention, (d) is the first form structure schematic diagram of the frame connecting bracket of the present invention.
Fig. 5(a) is the second form front view of the frame connecting bracket of the present invention, (b) is the second form side view of the frame connecting bracket of the present invention, (c) is the second form top view of the frame connecting bracket of the present invention, (d) is the second form structure schematic diagram of the frame connecting bracket of the present invention.
Fig. 6 (a) is the battery box connecting bracket B-B of the present invention to the schematic diagram, (B) is the battery box connecting bracket side view, (c) is the battery box connecting bracket top view of the present invention, (d) is the battery box connecting bracket structure schematic diagram of the present invention.
Fig. 7 (a) is a schematic diagram of the gasket structure of the present invention, and (b) is a schematic diagram of the gasket a-a direction of the present invention.
Description of the drawings: 1. 2, 3, 4, 5 and 6-vehicle frame connecting support, 7-M12 bolt, 8-gasket, 9-vulcanized rubber, 10-M12 nut, 11-M8 nut, 12-M8 bolt and 13-battery box connecting support.
Detailed Description
The flexible anti-torsion suspension device for the power battery provided by the embodiment has a structure shown in fig. 1 and comprises frame connecting supports 1-6, an M12 bolt 7, a large gasket 8, vulcanized rubber 9, an M12 nut 10, an M8 nut 11, an M8 bolt 12 and a battery box connecting support 13.
As shown in FIG. 2, the frame connecting brackets 1-6 are respectively connected with the frame through bolts and nuts, and six vulcanized rubbers are respectively fixed with the six frame connecting brackets through vulcanized supporting plates by using M8 bolts and M8 nuts. And vulcanized rubber fixed on the frame connecting bracket is fixed with the battery box connecting bracket through an M12 bolt and an M12 nut. Two large gaskets are respectively arranged at two ends of the rubber and used for clamping the rubber, so that the contact area of the rubber during compression deformation and the contact area of the bolt head and the gaskets are increased. And the six battery box connecting supports are connected with the power battery box through bolts and nuts.
As shown in fig. 3(a) to (d), a supporting plate of vulcanized rubber is fixed on the rubber outer ring, and holes on the supporting plate are used for fixing the supporting plate on the frame connecting bracket. The rubber inner ring is provided with a shaft tube, and the bolt penetrates through the shaft tube and is fixed on the battery box connecting bracket. The rubber has the same rigidity in all directions, is 1200N/m, is matched with the vibration and torsion working condition of the frame and the weight of the battery box, can effectively reduce the stress brought to the power battery box by the vibration and the torsion of the frame, increases the torsion resistance of the power battery box, and prolongs the service life of the battery box body. The gasket 8 is 3mm thick, 12.5mm in inside diameter and 50mm in outside diameter. As shown in fig. 7, the bolt head and the washer are used for clamping the rubber, and the contact area of the rubber during compression deformation and the contact area of the bolt head and the washer are increased.
As shown in fig. 4(a) to (d) and fig. 5(a) to (d), the frame connecting brackets have 4 different sizes, in which the frame connecting brackets 1 and 3 are identical, the frame connecting brackets 4 and 6 are identical, and the frame connecting brackets 1 and 3 are mirror images of the frame connecting brackets 4 and 6. The frame connecting bracket 2 and the frame connecting bracket 5 are in mirror symmetry. The frame connecting supports 1, 3, 4 and 6 are S-shaped, and the purpose is to avoid the interference of other supports of the frame. All the frame connecting supports are formed by welding three 4mm thick steel plates, a plurality of mounting hole positions are arranged on a YZ plane of the whole vehicle and matched with the frame hole positions, a through hole A is formed in an XY plane of the whole vehicle and used for mounting vulcanized rubber, and two screw holes are used for fixing a vulcanized rubber supporting plate.
As shown in fig. 6 (a) to (b), the small battery box connecting bracket is formed by welding two 4mm U-shaped plates and 4mm straight steel plates. Wherein, 3 mounting hole sites are arranged on the YZ plane of the whole vehicle and matched with the hole sites of the power battery box, and a through hole B is arranged on the XY plane of the whole vehicle and is used for fixedly mounting vulcanized rubber.
The vulcanized rubber has good elasticity, so that various forces transmitted by the frame can be reduced, the vulcanized rubber is connected with the frame through the frame connecting support and is connected with the power battery box through the battery box connecting support, and various vibration and torsional forces transmitted to the power battery box by the frame through the vulcanized rubber are buffered. Meanwhile, the vulcanized rubber has certain rigidity, can bear the vertical suspension force of the power battery pack, and ensures that the power battery pack cannot generate large displacement in the vehicle form process.
In addition to the above embodiments, the present invention may have other embodiments. All the technical solutions formed by adopting equivalent substitutions or equivalent transformations fall within the protection scope claimed by the present invention.
Claims (9)
1. The utility model provides a flexible antitorque suspension device of power battery which characterized in that: the device comprises a frame connecting support, a battery box connecting support and vulcanized rubber fixed between the frame connecting support and the battery box connecting support, wherein the back of the upper part of the frame connecting support is fixedly connected with a frame through a fastener, the bottom of the battery box connecting support is connected with a power battery box through the fastener, through holes for installing the vulcanized rubber are formed in the bottom of the frame connecting support and the top of the battery box connecting support, and the vulcanized rubber is connected with the frame connecting support and the battery box connecting support after passing through the through holes.
2. The flexible anti-torsion suspension of power cells of claim 1, wherein: the device body is totally 6 groups, symmetrically arranged on two sides of the frame and composed of the same battery box connecting support, vulcanized rubber and frame connecting supports with different sizes.
3. The flexible anti-torsion suspension of power cells of claim 2, wherein: the frame connecting support is of four sizes and is formed by welding a back plate and side plates on two sides of the back plate, a plurality of frame mounting holes matched with frame hole positions are formed in the upper portion of the back plate along a YZ plane of the whole vehicle, the lower end of the back plate is provided with a bend along an XY plane of the whole vehicle, and a through hole A for mounting vulcanized rubber is formed in the bend.
4. The flexible anti-torsion suspension of power cells of claim 3, wherein: the frame connecting supports 1 and 3 have the same structure, the frame connecting supports 4 and 6 have the same structure, the frame connecting supports 1 and 3 are in mirror symmetry with the frame connecting supports 4 and 6, and the frame connecting support 2 is in mirror symmetry with the frame connecting support 5.
5. The flexible anti-torsion suspension of power cells of claim 1, wherein: the vulcanized rubber is cylindrical and comprises a rubber outer ring and a rubber inner ring, a supporting plate fixedly connected with the frame connecting support is sleeved outside the rubber outer ring, and a shaft tube penetrates through the rubber inner ring along the radial direction.
6. The flexible anti-torsion suspension of power cells of claim 5, wherein: the support plate is shuttle-shaped, mounting holes are symmetrically formed in two ends of the support plate, and M8 bolts and nuts penetrate through the mounting holes respectively to be fixed with the frame connecting support.
7. The flexible anti-torsion suspension of power cells of claim 5, wherein: m12 bolt has been worn to the central siphon from top to bottom, the bottom of M12 bolt is through M12 nut fastening.
8. The flexible anti-torsion suspension of power cells of claim 7, wherein: and gaskets for clamping vulcanized rubber are also arranged at the upper end and the lower end of the shaft tube.
9. The flexible anti-torsion suspension of power cells of claim 1, wherein: the battery box connecting support comprises a first U-shaped plate corresponding to the bottom of the frame connecting support, a straight steel plate is welded to the back of the first U-shaped plate, a second U-shaped plate is welded to the inner side of a chamber formed by the straight steel plate and the first U-shaped plate, and a through hole B is formed in the first U-shaped plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020636511.3U CN212737724U (en) | 2020-04-24 | 2020-04-24 | Flexible anti-torsion suspension device for power battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020636511.3U CN212737724U (en) | 2020-04-24 | 2020-04-24 | Flexible anti-torsion suspension device for power battery |
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| Publication Number | Publication Date |
|---|---|
| CN212737724U true CN212737724U (en) | 2021-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202020636511.3U Active CN212737724U (en) | 2020-04-24 | 2020-04-24 | Flexible anti-torsion suspension device for power battery |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116494750A (en) * | 2023-06-25 | 2023-07-28 | 江铃汽车股份有限公司 | Battery pack supporting device and electric automobile |
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2020
- 2020-04-24 CN CN202020636511.3U patent/CN212737724U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116494750A (en) * | 2023-06-25 | 2023-07-28 | 江铃汽车股份有限公司 | Battery pack supporting device and electric automobile |
| CN116494750B (en) * | 2023-06-25 | 2023-09-12 | 江铃汽车股份有限公司 | Battery pack supporting device and electric automobile |
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