CN210296466U - Battery pack fixing support and battery pack - Google Patents
Battery pack fixing support and battery pack Download PDFInfo
- Publication number
- CN210296466U CN210296466U CN201921618625.9U CN201921618625U CN210296466U CN 210296466 U CN210296466 U CN 210296466U CN 201921618625 U CN201921618625 U CN 201921618625U CN 210296466 U CN210296466 U CN 210296466U
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- Prior art keywords
- connecting plate
- plate
- battery pack
- nut
- fixing bracket
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- 230000008093 supporting effect Effects 0.000 claims abstract description 18
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000002349 favourable effect Effects 0.000 abstract description 4
- 238000005728 strengthening Methods 0.000 description 5
- 230000001133 acceleration Effects 0.000 description 3
- 238000005266 casting Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
Images
Classifications
-
- 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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery package fixed bolster and battery package, this battery package fixed bolster includes: a first bracket and a second bracket; the first support includes: a first connecting plate, a second connecting plate and a third connecting plate; the first connecting plate and the third connecting plate are respectively tilted from two ends of the second connecting plate to the first side of the second connecting plate, a first arc positioning groove is formed in the joint of the first connecting plate and the second connecting plate, and a second arc positioning groove is formed in the joint of the third connecting plate and the second connecting plate; the second bracket comprises a fourth connecting plate, a fifth connecting plate and a sixth connecting plate; the fifth connecting plate is provided with a first supporting rib plate and a second supporting rib plate which extend towards the first support and are provided with arc bulges, and the arc bulges are respectively embedded with the first arc positioning groove and the second arc positioning groove. The utility model discloses joint strength is high, and tie point position atress is equallyd divide, reduces the connection failure risk, is favorable to battery package lightweight and low-cost.
Description
Technical Field
The utility model relates to a battery package structure field in the car, specifically speaking relates to battery package fixed bolster and battery package.
Background
The requirement that the continuation of the journey mileage of electric motor car increases leads to battery package size constantly to increase, and the large size battery package is fixed in on the car through fixed point all around. The fixed position of the tail battery pack is generally arranged below the bottom plate of the rear seat, the fixed positions at two opposite sides of the fixed position are higher, and the battery pack is fixed at the rear part of the whole vehicle through a support.
At present, the support structure is a sheet metal stamping part or a casting, the connection mode of the support structure and the battery pack is mainly that the support structure is connected through welding or rivet nuts and bolts, the connection structure strength is relatively weak, the cost of a die is high, and if the casting is adopted, the casting has certain defects, so that the structure strength is weakened.
In view of this, the utility model provides a battery package fixed bolster and battery package.
SUMMERY OF THE UTILITY MODEL
To the problem among the prior art, the utility model aims to provide a battery package fixed bolster and battery package, joint strength is high, and tie point position atress is equallyd divide, reduces the connection inefficacy risk, and section bar support intensity is high moreover, and light in weight is with low costs, is favorable to battery package lightweight and low cost.
An embodiment of the utility model provides a battery package fixed bolster, include: a first bracket and a second bracket;
the first bracket includes: the first connecting plate, the third connecting plate and the second connecting plate are connected; the first connecting plate and the third connecting plate are respectively tilted from two ends of the second connecting plate to the first side of the second connecting plate, a first arc positioning groove extending along the connecting track direction is formed in the first side of the joint of the first connecting plate and the second connecting plate, and a second arc positioning groove extending along the connecting track direction is formed in the first side of the joint of the third connecting plate and the second connecting plate;
the second support comprises a fourth connecting plate connected with a first end face, deviating from the second connecting plate, of the first connecting plate, a sixth connecting plate connected with a second end face, deviating from the second connecting plate, of the third connecting plate, and a fifth connecting plate connected with the fourth connecting plate and the sixth connecting plate; the fifth connecting plate is provided with a first supporting rib plate and a second supporting rib plate which extend from the middle of the fifth connecting plate to the first support, the first sides of the first supporting rib plate and the second supporting rib plate are provided with arc bulges which extend along the direction of the connecting track, and the arc bulges are respectively embedded with the first arc positioning groove and the second arc positioning groove.
Preferably, a mounting reinforcing rib for dividing a space between the two surfaces into a plurality of rectangular columns is arranged between the two surfaces of the first connecting plate.
Preferably, a mounting reinforcing rib for dividing a space between the two surfaces into a plurality of rectangular columns is arranged between the two surfaces of the third connecting plate.
Preferably, a corner reinforcing rib is provided between both surfaces of the second connecting plate to divide a space between both surfaces into a plurality of triangular prisms.
Preferably, the extension plane of the first connecting plate and the extension plane of the third connecting plate are perpendicular to each other; the extension plane of the fourth connecting plate and the extension plane of the sixth connecting plate are perpendicular to each other.
Preferably, the first connecting plate is provided with a first screw hole; the fourth connecting plate is equipped with the first hole of dodging, the first region of dodging the hole has contained at least first screw projection in the projection region of fourth connecting plate.
Preferably, the third connecting plate is provided with a second screw hole; the sixth connecting plate is provided with a second avoiding hole, and the area of the second avoiding hole at least comprises a second screw hole projection in the projection area of the sixth connecting plate.
Preferably, the connecting tracks of the first and second support rib plates and the second side of the fifth connecting plate are coincident, and the space between the first and second supports is divided into three triangular prisms by the first and second support rib plates.
Preferably, the first connecting plate and the second supporting rib plate are parallel to each other, and the third connecting plate and the first supporting rib plate are parallel to each other.
Another embodiment of the present invention further provides a battery pack, which includes a plate-shaped battery pack frame profile for supporting at least one battery pack, wherein a plurality of nut plates are embedded around the battery pack frame profile, and the nut plates are extruded profiles;
each nut plate comprises a nut plate body, the nut plate body is provided with at least one positioning pin and a plurality of screw holes, each nut plate body is in contact with the second side face of the third connecting plate, the nut plate body is in threaded connection with at least one battery pack fixing support, the third connecting plate of the first support is in threaded connection with the screw holes of the nut plate through a plurality of bolts, and the extension planes of the first connecting plate and the battery pack frame section bar are parallel to each other.
An object of the utility model is to provide a battery package fixed bolster and battery package joint strength are high, and tie point position atress is equallyd divide, reduces the connection failure risk, and section bar support intensity is high moreover, and light in weight is with low costs, is favorable to battery package lightweight and low cost.
Drawings
Other features, objects and advantages of the invention will become more apparent from a reading of the following detailed description of non-limiting embodiments thereof, with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of a battery pack fixing bracket according to the present invention.
Fig. 2 is a schematic perspective view of a battery pack according to the present invention.
Fig. 3 is a schematic perspective view of a nut plate in the battery pack of the present invention. And
fig. 4 is an enlarged view of the area a as in fig. 2.
Reference numerals
10 battery pack frame section bar
20 Battery pack
1 first support
11 first connecting plate
12 second connecting plate
13 third connecting plate
14 first arc positioning slot
15 second arc positioning groove
16 corner reinforcing rib
17 mounting reinforcing rib
18 first screw hole
19 second screw hole
2 second support
21 fourth connecting plate
22 fifth connecting plate
23 sixth connecting plate
24 first support rib plate
25 first avoidance hole
26 second avoiding hole
27 second support rib plate
3 nut plate
31 nut plate body
32 positioning pin
33 screw hole
4 bolt
Detailed Description
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 embodiments set forth herein. Rather, these 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 same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.
Fig. 1 is a schematic perspective view of a battery pack fixing bracket according to the present invention. As shown in fig. 1, the utility model discloses a battery pack fixing support, include: a first bracket 1 and a second bracket 2. Wherein, first support 1 includes: a first connecting plate 11, a third connecting plate 13 and a second connecting plate 12 connecting the first connecting plate 11 and the third connecting plate 13. First connecting plate 11 and third connecting plate 13 are respectively from the both ends of second connecting plate 12 to the first side perk of second connecting plate 12, and the first side of the junction of first connecting plate 11 and second connecting plate 12 is equipped with along the first circular arc constant head tank 14 that connects the orbit direction (along Y axle direction) extension, and the first side of the junction of third connecting plate 13 and second connecting plate 12 is equipped with along the second circular arc constant head tank 15 that connects the orbit direction extension.
The second bracket 2 includes a fourth connecting plate 21 connected to a first end face of the first connecting plate 11 facing away from the second connecting plate 12, a sixth connecting plate 23 connected to a second end face of the third connecting plate 13 facing away from the second connecting plate 12, and a fifth connecting plate 22 connecting the fourth connecting plate 21 and the sixth connecting plate 23. The fifth connecting plate 22 is provided with a first supporting rib plate 24 and a second supporting rib plate 27 extending from the middle of the fifth connecting plate 22 to the first bracket 1, and the first sides of the first supporting rib plate 24 and the second supporting rib plate 27 are provided with arc protrusions extending along the connecting track direction (along the Y-axis direction), and the arc protrusions are respectively embedded with the first arc positioning groove 14 and the second arc positioning groove 15.
In a preferred embodiment, a mounting rib 17 for dividing a space between both surfaces of the first connection plate 11 into a plurality of rectangular columns is provided between both surfaces.
In a preferred embodiment, a mounting rib 17 for dividing the space between both surfaces of the third connecting plate 13 into a plurality of rectangular columns is provided between both surfaces.
In a preferred embodiment, corner reinforcing ribs 16 dividing a space between both surfaces of the second connecting plate 12 into a plurality of triangular prisms are provided between both surfaces.
In a preferred embodiment, the plane of extension of the first link plate 11 (the plane formed by the axes X and Y together) and the plane of extension of the third link plate 13 are perpendicular to each other (the plane formed by the axes X and Z together). The plane of extension of the fourth web 21 and the plane of extension of the sixth web 23 are perpendicular to each other.
In a preferred embodiment, the first connection plate 11 is provided with a first screw hole 18 (extending in the Z-axis direction). The fourth connecting plate 21 is provided with a first avoiding hole 25, and the area of the first avoiding hole 25 at least includes the projection area of the first screw hole 18 projected on the fourth connecting plate 21.
In a preferred embodiment, the third connecting plate 13 is provided with a second threaded hole 19 (extending in the direction of the X-axis). The sixth connecting plate 23 is provided with a second avoiding hole 26, and the area of the second avoiding hole 26 at least includes the projection area of the second screw hole 19 projected on the sixth connecting plate 23.
In a preferred embodiment, the connection tracks of the second sides of the first support rib plates 24 and the second support rib plates 27 connected with the fifth connecting plate 22 coincide, and the first support rib plates 24 and the second support rib plates 27 divide the space between the first support 1 and the second support 2 into three triangular prisms.
In a preferred embodiment, the first connecting plate 11 and the second support rib 27 are parallel to each other, and the third connecting plate 13 and the first support rib 24 are parallel to each other.
In the embodiment, the fourth connecting plate 21 of the second bracket 2 is riveted or bolted with the first end face of the first connecting plate 11 of the first bracket 1 departing from the second connecting plate 12,
first support 1 sets up a plurality of mounting holes for the support is connected with battery package and whole car. And simultaneously, the device is provided with a reinforcing rib and an inclined plane support. The strengthening rib divide into bolt installation strengthening rib (be used for improving installation intensity, the section bar produces and warp when reducing the bolt installation), turning strengthening rib (improve corner intensity, less turning atress and deformation) and other strengthening ribs (additional strengthening, balanced structure atress and extrusion). The inclined plane supports and clings to the battery pack section structure after the support is installed, so that a supporting effect can be provided for the battery pack, and the safety is improved.
The sixth connecting plate 23 of the second support 2 is riveted or bolted connection with the first end face of the third connecting plate 13 of the first support 1, which deviates from the second connecting plate 12, and the arc protrusion structure of the second support 2 is connected with the first arc positioning groove 14 and the second arc positioning groove 15 of the first support 1, and the joint of the arc protrusion and the arc positioning groove can be precoated with structural adhesive or fixedly connected by arc welding. When selecting the rivet or the bolt, the shearing strength sigma of the rivet or the bolt needs to meet the following conditions: sigma is more than A M G G/(N N), A is a safety coefficient and is generally more than or equal to 1.5, M is the weight of the battery pack, G is the maximum acceleration of the battery pack which is required to bear various working conditions after the battery pack is installed on the whole vehicle and the maximum acceleration requirement which is required to be met by the design of the battery pack, the maximum value is taken between the two, G is required to be more than 25, G is the gravity acceleration, N is the number of fixing points of the battery pack, and N is the number of rivets or bolts. The second support 2 is provided with a plurality of bolt mounting avoiding holes for avoiding the mounting of the bolts for fixing the battery pack and the bolts for connecting the battery pack with the battery pack.
The utility model discloses a battery package fixed bolster joint strength is high, and the connecting point position atress is equallyd divide.
Fig. 2 is a schematic perspective view of a battery pack according to the present invention. Fig. 3 is a schematic perspective view of a nut plate in the battery pack of the present invention. Fig. 4 is an enlarged view of the area a as in fig. 2. As shown in fig. 2 to 4, the battery pack of the present invention includes a plate-shaped battery pack frame section bar 10 for carrying at least one battery pack 20, a plurality of nut plates 3 are embedded around the battery pack frame section bar 10, and the nut plates 3 are extruded sections. In this embodiment, each nut plate 3 includes a nut plate body 31, the nut plate body 31 is provided with at least one positioning pin 32 and a plurality of screw holes 33, each nut plate body 31 contacts with the second side surface of the third connecting plate 13, and the nut plate body 31 is screwed with at least one battery pack fixing bracket as described above, the third connecting plate 13 of the first bracket 1 is screwed with the screw holes 33 of the nut plate 3 by a plurality of bolts 4, the first connecting plate 11 is parallel to the extension plane (the plane formed by the X axis and the Y axis) of the battery pack frame profile 10, the direction of the first screw holes 18 of the first connecting plate 11 is perpendicular to the extension plane of the battery pack frame profile 10, and the battery pack can be screwed with the vehicle frame through the first screw holes 18.
The utility model provides a connection structure of battery package fixed bolster and battery package as follows: the battery pack fixing support is connected with a nut plate 3 embedded in a battery pack frame section bar 10 through a bolt 4, the nut plate 3 is an extruded section bar and is provided with a threaded hole 33, and the nut plate is used for bolt connection through a built-in thread or a threaded sleeve. The nut plate 3 is provided with a positioning pin 32, and is installed inside the battery pack section bar through the positioning pin 32. The nut plate 3 and the battery pack frame section bar 10 have larger contact surfaces, so that when the battery pack fixing support is stressed, the local stress of the battery pack frame section bar 10 can be reduced, the stress area of the battery pack frame section bar 10 is increased, the risk of failure of the battery pack frame section bar 10 is reduced, and the connection strength is improved.
The extruded profile structure in the embodiment has the advantages of light weight, high strength, low cost and good energy absorption performance. After the second bracket 2 and the first bracket 1 are combined, a complete cavity row structure is formed, so that the structure has high-strength bending and torsional rigidity. The utility model discloses be equipped with the extrusion section structure, connect on the battery package through new connected mode, improve joint strength, reduce cost and weight.
To sum up, the utility model aims to provide a battery package fixed bolster and battery package, joint strength is high, and tie point position atress is equallyd divide, reduces the connection failure risk, and section bar support intensity is high moreover, light in weight, and is with low costs, is favorable to battery package lightweight and low cost.
The foregoing is a more detailed description of the present invention, taken in conjunction with the specific preferred embodiments thereof, and it is not intended that the invention be limited to the specific embodiments shown and described. To the utility model belongs to the technical field of ordinary technical personnel, do not deviate from the utility model discloses under the prerequisite of design, can also make a plurality of simple deductions or replacement, all should regard as belonging to the utility model discloses a protection scope.
Claims (10)
1. A battery pack fixing bracket, comprising: a first bracket (1) and a second bracket (2);
the first bracket (1) comprises: a first connecting plate (11), a third connecting plate (13) and a second connecting plate (12) connecting the first connecting plate (11) and the third connecting plate (13); the first connecting plate (11) and the third connecting plate (13) are respectively tilted from two ends of the second connecting plate (12) to the first side of the second connecting plate (12), a first arc positioning groove (14) extending along the direction of a connecting track is formed in the first side of the joint of the first connecting plate (11) and the second connecting plate (12), and a second arc positioning groove (15) extending along the direction of the connecting track is formed in the first side of the joint of the third connecting plate (13) and the second connecting plate (12);
the second support (2) comprises a fourth connecting plate (21) connected with a first end face, deviating from the second connecting plate (12), of the first connecting plate (11), a sixth connecting plate (23) connected with a second end face, deviating from the second connecting plate (12), of the third connecting plate (13), and a fifth connecting plate (22) connecting the fourth connecting plate (21) and the sixth connecting plate (23); the fifth connecting plate (22) is provided with a first supporting rib plate (24) and a second supporting rib plate (27) which extend from the middle of the fifth connecting plate (22) to the first support (1), arc bulges extending along the connecting track direction are arranged on the first sides of the first supporting rib plate (24) and the second supporting rib plate (27), and the arc bulges are respectively embedded with the first arc positioning groove (14) and the second arc positioning groove (15).
2. The battery pack fixing bracket according to claim 1, wherein a mounting reinforcing rib (17) dividing a space between both surfaces into a plurality of rectangular columns is provided between both surfaces of the first connecting plate (11).
3. The battery pack fixing bracket according to claim 1, wherein a mounting reinforcing rib (17) dividing a space between both surfaces into a plurality of rectangular columns is provided between both surfaces of the third connecting plate (13).
4. The battery pack fixing bracket according to claim 1, wherein a corner reinforcing rib (16) dividing a space between both surfaces into a plurality of triangular prisms is provided between both surfaces of the second connecting plate (12).
5. The battery pack fixing bracket according to claim 1, wherein the extension plane of the first connecting plate (11) and the extension plane of the third connecting plate (13) are perpendicular to each other; the extension plane of the fourth connecting plate (21) and the extension plane of the sixth connecting plate (23) are perpendicular to each other.
6. The battery pack fixing bracket according to claim 1, wherein the first connection plate (11) is provided with a first screw hole (18); fourth connecting plate (21) is equipped with first dodge hole (25), the region of first dodge hole (25) has contained at least first screw (18) projection in the projection region of fourth connecting plate (21).
7. The battery pack fixing bracket according to claim 1, wherein the third connecting plate (13) is provided with a second screw hole (19); sixth connecting plate (23) are equipped with second and dodge hole (26), the region in second dodge hole (26) has contained at least second screw (19) projection in the projection region of sixth connecting plate (23).
8. The battery pack fixing bracket according to claim 1, wherein the first and second support rib plates (24, 27) coincide with a connection locus of a second side to which the fifth connection plate (22) is connected, and the first and second support rib plates (24, 27) divide a space between the first and second brackets (1, 2) into three triangular prisms.
9. The battery pack fixing bracket according to claim 1, wherein the first connecting plate (11) and the second support rib plate (27) are parallel to each other, and the third connecting plate (13) and the first support rib plate (24) are parallel to each other.
10. The battery pack is characterized by comprising a plate-shaped battery pack frame section bar (10) for bearing at least one battery pack (20), wherein a plurality of nut plates (3) are embedded in the periphery of the battery pack frame section bar (10), and the nut plates (3) are extruded sections;
-each nut plate (3) comprises a nut plate body (31), said nut plate body (31) being provided with at least one positioning pin (32) and a plurality of threaded holes (33), -each nut plate body (31) being in contact with the second side of the third connecting plate (13), and-the nut plate body (31) being in threaded connection with at least one battery pack fixing bracket according to any one of claims 1 to 9, -a plurality of bolts (4) being in threaded connection with the threaded holes (33) of the nut plate (3) and-the first connecting plate (11) being parallel to the plane of extension of the battery pack frame profile (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921618625.9U CN210296466U (en) | 2019-09-26 | 2019-09-26 | Battery pack fixing support and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921618625.9U CN210296466U (en) | 2019-09-26 | 2019-09-26 | Battery pack fixing support and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210296466U true CN210296466U (en) | 2020-04-10 |
Family
ID=70066070
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921618625.9U Active CN210296466U (en) | 2019-09-26 | 2019-09-26 | Battery pack fixing support and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210296466U (en) |
-
2019
- 2019-09-26 CN CN201921618625.9U patent/CN210296466U/en active Active
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