CN215527858U - Mounting assembly and battery pack - Google Patents
Mounting assembly and battery pack Download PDFInfo
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- CN215527858U CN215527858U CN202121587213.0U CN202121587213U CN215527858U CN 215527858 U CN215527858 U CN 215527858U CN 202121587213 U CN202121587213 U CN 202121587213U CN 215527858 U CN215527858 U CN 215527858U
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- upper cover
- mounting assembly
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- 238000007789 sealing Methods 0.000 claims abstract description 43
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 230000008569 process Effects 0.000 abstract description 6
- 238000009434 installation Methods 0.000 abstract description 4
- 238000003466 welding Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000009467 reduction Effects 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
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- 229920001296 polysiloxane Polymers 0.000 description 1
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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 relates to the technical field of batteries and discloses a mounting assembly and a battery pack. The mounting assembly is mounted between the upper cover and the bottom plate of the battery pack and specifically comprises a first sleeve, a first fastener, a second sleeve and a second fastener. The axial top of the first sleeve is arranged on the inner wall of the upper cover in a sealing mode. The first fastener sequentially penetrates through the upper cover and the first sleeve and is connected with the first sleeve so as to fixedly connect the first sleeve with the upper cover. The first axial end of the second sleeve penetrates out of a cross beam or a longitudinal beam of the battery pack and is coaxially welded and connected with the bottom of the first sleeve. The axial second end of the second sleeve is arranged on the inner wall of the bottom plate in a sealing mode. The second fastener sequentially penetrates through the bottom plate and the second sleeve and is connected with the second sleeve so as to fixedly connect the second sleeve with the bottom plate. With first sleeve and the design of second sleeve part, simplified seal structure and the equipment process between first sleeve and the upper cover, improved the installation effectiveness of carry subassembly, reduced manufacturing cost.
Description
Technical Field
The utility model belongs to the technical field of batteries, and particularly relates to a mounting assembly and a battery pack.
Background
Under the present condition that the energy density of the battery core is not remarkably improved, the volume and the weight of the battery pack are gradually increased, and therefore, the mounting assembly is required to be arranged in the middle of the battery pack to improve the overall rigidity of the battery pack so as to realize the stable installation of the battery pack.
The existing battery pack is provided with a bottom plate and a cover plate, a mounting assembly is connected with the bottom plate and the cover plate, and a long bolt penetrates through the mounting assembly of the battery pack so as to install the battery pack on an integral chassis of an automobile. The prior mount assembly includes a support barrel, a connector barrel, a seal, and a fastener. The supporting cylinder needs to stretch into the battery pack from the bottom plate, the flange plate structure at the bottom end of the supporting cylinder is fixedly connected with the bottom plate through a fastener, and the top end of the supporting cylinder is fixedly connected with the cover plate through a connecting cylinder. In order to ensure the sealing performance of the mounting assembly, sealing elements are required to be added between the supporting cylinder and the connecting cylinder and between the connecting cylinder and the cover plate, so that the number of sealing structures is large, and the mounting is complex. And a supporting cylinder is designed in an integrated manner, so that the whole length is longer, the processing difficulty is high, and the cost is higher.
SUMMERY OF THE UTILITY MODEL
An object of the present invention is to provide a mounting assembly, which simplifies the structure of the mounting assembly, improves the mounting efficiency of the mounting assembly, and reduces the cost.
Another object of the present invention is to provide a battery pack, which simplifies the structure of the mounting assembly, improves the mounting efficiency of the mounting assembly, and reduces the cost.
In order to achieve the purpose, the technical scheme adopted by the utility model is as follows:
a mounting assembly is arranged between an upper cover and a bottom plate of a battery pack; the mount assembly includes:
the axial top of the first sleeve is hermetically arranged on the inner wall of the upper cover;
the first fastening piece sequentially penetrates through the upper cover and the first sleeve and is connected with the first sleeve so as to fixedly connect the first sleeve with the upper cover;
the first axial end of the second sleeve penetrates out of the cross beam or the longitudinal beam of the battery pack and is coaxially welded and connected with the bottom of the first sleeve; the axial second end of the second sleeve is hermetically arranged on the inner wall of the bottom plate;
and the second fastening piece sequentially penetrates through the bottom plate and the second sleeve and is connected with the second sleeve so as to fixedly connect the second sleeve with the bottom plate.
Further, the first end of the second sleeve is connected with the top of the cross beam or the longitudinal beam in a welding mode.
Further, the mounting assembly further comprises sealing elements, and the sealing elements are clamped between the first sleeve and the upper cover and between the second sleeve and the bottom plate.
Furthermore, a first flange plate is arranged at the top of the first sleeve, and a first positioning groove is defined by the outer wall of the cylinder body of the first sleeve and the end surface of the first flange plate facing the top of the first sleeve; the second end of the second sleeve is provided with a second flange plate, a second positioning groove is formed by the outer wall of the second sleeve body and the end face, facing the second end of the second sleeve, of the second flange plate in a surrounding mode, and the two sealing pieces are arranged in the first positioning groove and the second positioning groove respectively.
Further, the second flange plate is pressed against and welded to the bottom of the cross beam or the longitudinal beam.
Further, the outer diameter of the second flange plate is larger than or equal to the width of the cross beam or the longitudinal beam.
Further, the first fastener and the first sleeve and the second fastener and the second sleeve are both in threaded connection.
Further, the first fastener, the first sleeve, the second sleeve and the second fastener are all provided with coaxial inner holes which are communicated.
A battery pack comprises a bottom plate, an upper cover, a battery module and the mounting assembly, wherein the battery module is installed between the bottom plate and the upper cover.
Furthermore, the upper cover is inwards recessed to form a first groove, the bottom plate is inwards recessed to form a second groove opposite to the first groove, and the first fastening piece is positioned in the first groove; the second fastener is located in the second groove, and the top surface of the second fastener is lower than or flush with the outer surface of the bottom plate.
The utility model has the beneficial effects that:
the mounting assembly provided by the utility model comprises a first sleeve, a first fastener, a second sleeve and a second fastener. The first sleeve is fixedly connected with the upper cover of the battery pack through the first fastener, the second sleeve is fixedly connected with the bottom plate of the battery pack through the second fastener, and the first sleeve is connected with the second sleeve in a welding mode. Compared with the supporting barrel integrally formed in the conventional mounting assembly, the mounting assembly provided by the utility model has the advantages that the first sleeve and the second sleeve are separately designed, and the use of the connecting barrel is reduced, so that the sealing structure and the assembling process between the first sleeve and the upper cover are simplified, the mounting efficiency of the mounting assembly is improved, and the reduction of the production cost is facilitated. Simultaneously, split type first sleeve is all shorter with the length of second sleeve, has reduced the processing degree of difficulty, has further reduced manufacturing cost.
The battery pack provided by the utility model comprises the mounting assembly, and the first sleeve and the second sleeve are separately designed, so that the use of the connecting cylinder is reduced, the sealing structure and the assembling process between the first sleeve and the upper cover are simplified, the mounting efficiency of the mounting assembly is improved, and the production cost is favorably reduced. Simultaneously, split type first sleeve is all shorter with the length of second sleeve, has reduced the processing degree of difficulty, has further reduced manufacturing cost.
Drawings
Fig. 1 is a schematic structural diagram of a battery pack according to an embodiment of the present invention;
fig. 2 is a partial cross-sectional view of a battery pack having a mounting assembly provided by an embodiment of the present invention;
FIG. 3 is an exploded view of a mounting assembly provided by an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second sleeve according to an embodiment of the present invention.
The component names and designations in the drawings are as follows:
10. an upper cover; 101. a first groove; 20. a base plate; 201. a second groove; 30. a cross beam;
1. a first sleeve; 11. a first flange plate; 12. a first positioning groove; 2. a first fastener; 21. a first locking cap; 22. a first lock lever; 3. a second sleeve; 31. a second flange plate; 32. a second positioning groove; 4. a second fastener; 41. a second locking cap; 42. a second lock lever; 5. and a seal.
Detailed Description
In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, removably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. are used in an orientation or positional relationship based on that shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The technical scheme of the utility model is further explained by the specific implementation mode in combination with the attached drawings.
The embodiment discloses a battery pack, which is installed on a new energy automobile and used as a power source of the new energy automobile. Of course, the battery pack can also be used in other working conditions where power needs to be supplied.
As shown in fig. 1, the battery pack of the present embodiment includes a base plate 20, an upper cover 10, and battery modules mounted between the base plate 20 and the upper cover 10. The base plate 20 and the upper cover 10 are fitted and assembled into a sealed cavity accommodating a plurality of battery modules. A plurality of cross-connected cross beams 30 and longitudinal beams are generally arranged in the closed cavity, and the cross beams 30 and the longitudinal beams form a platform for supporting the battery module.
Along with the volume and the weight of the battery pack increase gradually, the embodiment also discloses a mounting assembly, the mounting assembly is mounted on a mounting point in the middle of the battery pack, and the mounting assembly is hermetically mounted between the upper cover 10 and the bottom plate 20 of the battery pack so as to improve the overall rigidity of the battery pack. When the automobile is assembled, the long screw penetrates through the mounting assembly, so that the battery pack is mounted on a chassis of the automobile. The weight of the battery pack is transmitted to the chassis of the automobile through the mounting assembly and the long screw in sequence.
As shown in fig. 2 and 3, the mounting assembly includes a first sleeve 1, a first fastener 2, a second sleeve 3, and a second fastener 4. The top of the first sleeve 1 in the axial direction is sealingly arranged on the inner wall of the upper cover 10. The first fastener 2 sequentially penetrates through the upper cover 10 and the first sleeve 1 and is connected with the first sleeve 1 so as to fixedly connect the first sleeve 1 with the upper cover 10. The first axial end of the second sleeve 3 penetrates through the cross beam 30 or the longitudinal beam of the battery pack and is coaxially welded and connected with the bottom of the first sleeve 1. The second end of the second sleeve 3 in the axial direction is arranged in the inner wall of the bottom plate 20 in a sealing manner. The second fastening member 4 sequentially penetrates through the bottom plate 20 and the second sleeve 3 and is connected with the second sleeve 3 so as to fixedly connect the second sleeve 3 with the bottom plate 20.
In the embodiment, the first sleeve 1 is fixedly connected with the upper cover 10 of the battery pack through the first fastening member 2, the second sleeve 3 is fixedly connected with the bottom plate 20 of the battery pack through the second fastening member 4, and the first sleeve 1 is connected with the second sleeve 3 in a welding manner. For integrated into one piece's a support section of thick bamboo among the current carry subassembly, the carry subassembly of this embodiment separates first sleeve 1 and second sleeve 3 design, has reduced the use of connecting cylinder to simplify seal structure and the assembly process between first sleeve 1 and the upper cover 10, improved the installation effectiveness of carry subassembly, be favorable to reduction in production cost. Meanwhile, the lengths of the first sleeve 1 and the second sleeve 3 are short, so that the processing difficulty is reduced, and the production cost is further reduced.
The first fastening member 2 and the first sleeve 1 and the second fastening member 4 and the second sleeve 3 of the present embodiment are screwed together. Specifically, the first fastening member 2 and the second fastening member 4 are identical in structure and size. The first fastening member 2 includes a first locking cap 21 and a first locking bar 22 which are integrally connected, and the second fastening member 4 includes a second locking cap 41 and a second locking bar 42 which are integrally connected. First locking lever 22 all is provided with the external screw thread with second locking lever 42, and first sleeve 1 all corresponds with second sleeve 3 and is provided with the internal screw thread, and, the external diameter of first lock nut 21 is greater than the external diameter of first locking lever 22, and the external diameter of second lock nut 41 is greater than the external diameter of second locking lever 42 for when first locking lever 22 and first sleeve 1 threaded connection, first lock nut 21 can be with upper cover 10 to support in the top surface of first sleeve 1. When the second locking bar 42 is screwed with the second sleeve 3, the second locking cap 41 can press the bottom plate 20 against the end face of the second end of the second sleeve 3.
Preferably, the external structure of the first fastener 2 and the second fastener 4 is approximately the same as that of a hexagon socket head bolt. Therefore, the first fastening piece 2 and the second fastening piece 4 of the embodiment can be obtained by machining the hexagon socket head cap screw, so that the first fastening piece 2 and the second fastening piece 4 are cheap and easy to obtain, and the cost of mounting the assembly is reduced. Specifically, a stepped hole is axially drilled in the hexagon socket head cap screw, so that a first hole and a second hole which are connected in sequence are formed in the hexagon socket head cap screw, and the first hole and the second hole are coaxial and penetrate through the hexagon socket head cap screw. Further, the first hole is located at the head of the hexagon socket head cap screw, the second hole is located at the rod of the hexagon socket head cap screw, and the inner diameter of the first hole is larger than that of the second hole.
In order to realize good sealing between the mounting assembly and the upper cover 10 and the bottom plate 20, the mounting assembly further comprises a sealing member 5, and the sealing member 5 is respectively clamped between the first sleeve 1 and the upper cover 10 and between the second sleeve 3 and the bottom plate 20. The mounting assembly is hermetically mounted to the upper cover 10 and the base plate 20 by the sealing member 5.
As shown in fig. 2-4, the top of the first sleeve 1 is provided with a first flange 11, and the outer wall of the cylinder body of the first sleeve 1 and the end surface of the first flange 11 facing the top of the first sleeve 1 define a first positioning groove 12. A second flange 31 is arranged at the second end of the second sleeve 3, a second positioning groove 32 is defined by the outer wall of the second sleeve 3 and the end surface of the second flange 31 facing the second end of the second sleeve 3, and the two sealing elements 5 are respectively arranged in the first positioning groove 12 and the second positioning groove 32.
Specifically, the sealing element 5 of the present embodiment is a sealing ring, and one sealing ring is sleeved on the top of the first sleeve 1 and supported on the upper surface of the first flange 11 along the vertical direction. The other sealing ring is sleeved at the bottom of the second sleeve 3 and abuts against the lower surface of the second flange 31 along the vertical direction. It should be noted that the lower surface of the sealing ring or the second flange 31 may be glued to prevent the sealing ring from slipping out of the second sleeve 3 under the action of its own weight.
Preferably, the depth of each of the first positioning groove 12 and the second positioning groove 32 is smaller than the thickness of the sealing member 5, so that the upper surface of the sealing member 5 is higher than the top surface of the first sleeve 1 after the sealing member 5 is installed in the first positioning groove 12. Similarly, after the sealing member 5 is mounted in the second positioning groove 32, the lower surface of the sealing member 5 in the vertical direction is higher than the end surface of the second end of the second sleeve 3. When the first fastening member 2 is tightened, the upper cover 10 compresses the sealing member 5 installed in the first positioning groove 12 under the axial pressure of the first fastening member 2, so that a good sealing effect is generated between the upper cover 10 and the first sleeve 1. When the second fastening member 4 is tightened, the bottom plate 20 compresses the sealing member 5 mounted in the second positioning groove 32 under the axial pressure of the second fastening member 4, so that a good sealing effect is produced between the bottom plate 20 and the second sleeve 3.
The sealing member 5 of the present embodiment may be a foamed silicone ring or an elastic rubber ring, and the difference between the outer diameter and the inner diameter of the sealing member 5 is 8mm to 15 mm. For example, the difference between the outer diameter and the inner diameter of the seal 5 is 8mm, 9mm, 10mm, 12mm, 13mm, 15mm, or the like.
The external diameter of the second flange 31 of this embodiment is more than or equal to the width of crossbeam 30 or longeron, is favorable to the second flange 31 bearing and supports the battery package on crossbeam 30 and the crossbeam 30 to make the weight of battery package can loop through the second flange 31 and the crossbeam 30 or the longeron transmission of second sleeve 3 to the long bolt on, thereby on transmitting the chassis of car with the weight of battery package, reduce the stress strength of the bottom plate 20 of battery package, improved the security of battery package.
In order to improve the connection strength between the second sleeve 3 and the cross beam 30 or the longitudinal beam, the first end of the second sleeve 3 is welded to the top of the cross beam 30 or the longitudinal beam, so that the second sleeve 3 is connected with the cross beam 30 or the longitudinal beam into a whole, and the support strength of the mounting assembly to the battery pack is improved. Meanwhile, the second sleeve 3 is sealed with the cross beam 30 or the longitudinal beam in a welding connection mode, and the sealing performance of the mounting assembly is improved.
Further, the second flange plate 31 is pressed against and welded to the bottom of the cross beam 30 or the longitudinal beam, so that the second sleeve 3 is welded to the top and the bottom of the cross beam 30 or the longitudinal beam in the vertical direction respectively, the connection strength and the stability between the second sleeve 3 and the cross beam 30 or the longitudinal beam are further improved, and the support strength of the mounting assembly on the battery pack is further improved. Meanwhile, through two welding processes, the good sealing effect between the mounting assembly and the cross beam 30 or the longitudinal beam is further improved.
The mounting assembly of this embodiment requires the battery pack to be mounted to the chassis of the vehicle by means of a long screw. In order to facilitate the installation of the long bolt rod and the mounting assembly, as shown in fig. 2, the first fastening piece 2, the first sleeve 1, the second sleeve 3 and the second fastening piece 4 are all provided with coaxial inner holes communicated with each other. When the mounting component is mounted on the battery pack, all the axial inner holes are sequentially communicated and form a channel for the long screw to pass through.
Preferably, the axial inner hole of the second fastening member 4 is a first hole and a second hole obtained by machining, and when the long screw rod extends into the channel from the second fastening member 4 and extends out of the channel from the first fastening member 2, the long screw rod is fixedly connected with the chassis of the automobile so as to mount the battery pack on the chassis of the automobile. The bolt head of long screw rod and first hole adaptation, and the top surface of the bolt head of long screw rod and the second lock cap 41 parallel and level of second fastener 4 are favorable to reducing the battery package mounting height on vehicle chassis. Meanwhile, the interference between the bolt head of the long screw and other structural members of the battery pack is avoided, and the safety of the battery pack is improved.
As shown in fig. 2, the upper cover 10 is recessed inwardly to form a first groove 101, the bottom plate 20 is recessed inwardly to form a second groove 201 opposite to the first groove 101, the first fastening member 2 is located in the first groove 101, and the second fastening member 4 is located in the second groove 201. The first sleeve 1 is located on the inner wall of the first groove 101, the first fastening piece 2 fixedly connects the first sleeve 1 with the first groove 101, the second end of the second sleeve 3 is located on the inner wall of the second groove 201, and the second fastening piece 4 fixedly connects the second sleeve 3 with the second groove 201. The first groove 101 and the second groove 201 respectively reduce the stress concentration of the upper cover 10 and the bottom plate 20, and prevent the upper cover 10 and the cover plate from being damaged due to the stress concentration.
Preferably, the top surface of the second fastening member 4 of the present embodiment is lower than or flush with the outer surface of the bottom plate 20, so that the bottom surface of the battery pack is kept flush, the overall height of the battery pack is reduced, and the battery pack is conveniently and stably placed. And the second fastener 4 can be prevented from interfering with obstacles or a placing platform and the like, so that the battery pack is prevented from being damaged.
Further, the top surface of the first fastening member 2 may be lower than or flush with the outer surface of the upper cover 10, so that the top surface of the battery pack is flush, the overall height of the battery pack is further reduced, and the battery pack is convenient to mount on a chassis of an automobile.
For the convenience of understanding, the assembly process of the mounting assembly of the present embodiment on the battery pack is as follows:
first, the second sleeve 3 is inserted into the bottom of the cross beam 30 or the longitudinal beam and is inserted out from the top until the second flange 31 on the second sleeve 3 abuts against the bottom of the cross beam 30 or the longitudinal beam. And the top of the second sleeve 3 and the second flange 31 are respectively connected with the cross beam 30 or the longitudinal beam in a welding way.
Then, the sealing member 5 is placed in the first seating groove 12 of the first sleeve 1, and the first sleeve 1 is placed on the inner wall of the first groove 101 of the upper cap 10. Then the bottom of the first sleeve 1 and the first end of the second sleeve 3 are welded coaxially, so that the first sleeve 1 and the second sleeve 3 are connected into a whole.
Next, the first fastening member 2 is screwed with the first sleeve 1 through the upper cover 10. The upper cover 10 and the first flange plate 11 are pressed against the sealing element 5 in the first positioning groove 12 under the action of the axial force of the first fastening member 2, so that good sealing between the first sleeve 1 and the upper cover 10 is realized.
Finally, the bottom plate 20 is installed, the inner wall of the second groove 201 of the bottom plate 20 is pressed against the second end of the second sleeve 3, and the second fastening member 4 penetrates through the bottom plate 20 and is in threaded connection with the second sleeve 3. The bottom plate 20 and the second flange 31 press the sealing element 5 in the second positioning groove 32 under the axial force of the second fastening member 4, so that the second sleeve 3 and the bottom plate 20 are well sealed.
Through the installation process, the mounting assembly is hermetically installed, and the rigidity of the battery pack is improved.
The foregoing embodiments are merely illustrative of the principles and features of this invention, which is not limited to the above-described embodiments, but rather is susceptible to various changes and modifications without departing from the spirit and scope of the utility model, which changes and modifications are within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A mounting assembly is arranged between an upper cover (10) and a bottom plate (20) of a battery pack; characterized in that, the mount subassembly includes:
the top of the first sleeve (1) in the axial direction is arranged on the inner wall of the upper cover (10) in a sealing way;
the first fastening piece (2) sequentially penetrates through the upper cover (10) and the first sleeve (1) and is connected with the first sleeve (1) so as to fixedly connect the first sleeve (1) with the upper cover (10);
the first axial end of the second sleeve (3) penetrates out of the cross beam (30) or the longitudinal beam of the battery pack and is coaxially welded and connected with the bottom of the first sleeve (1); the second axial end of the second sleeve (3) is hermetically arranged on the inner wall of the bottom plate (20);
and the second fastening piece (4) sequentially penetrates through the bottom plate (20) and the second sleeve (3) and is connected with the second sleeve (3) so as to fixedly connect the second sleeve (3) with the bottom plate (20).
2. Mounting assembly according to claim 1, wherein the first end of the second sleeve (3) is welded to the top of the cross beam (30) or the longitudinal beam.
3. The mounting assembly according to claim 1, further comprising a sealing member (5), wherein the sealing member (5) is interposed between the first sleeve (1) and the upper cover (10) and between the second sleeve (3) and the bottom plate (20).
4. The mounting assembly according to claim 3, wherein a first flange (11) is arranged at the top of the first sleeve (1), and a first positioning groove (12) is defined by the outer wall of the cylinder body of the first sleeve (1) and the end surface of the first flange (11) facing the top of the first sleeve (1); a second flange (31) is arranged at the second end of the second sleeve (3), a second positioning groove (32) is defined by the outer wall of the cylinder body of the second sleeve (3) and the end face, facing the second end of the second sleeve (3), of the second flange (31), and the two sealing elements (5) are respectively arranged in the first positioning groove (12) and the second positioning groove (32).
5. Mounting assembly according to claim 4, wherein the second flange (31) is pressed against and welded to the bottom of the cross beam (30) or the longitudinal beam.
6. The mounting assembly according to claim 5, wherein the second flange (31) has an outer diameter which is equal to or greater than the width of the cross member (30) or the longitudinal member.
7. The mounting assembly according to any of claims 1-6, wherein the first fastener (2) and the first sleeve (1) and the second fastener (4) and the second sleeve (3) are each threadedly connected.
8. The mounting assembly according to any one of claims 1-6, wherein the first fastening member (2), the first sleeve (1), the second sleeve (3) and the second fastening member (4) are provided with coaxial inner bores that are communicated with each other.
9. A battery pack, comprising a base plate (20), an upper cover (10), a battery module, and the mounting assembly of any one of claims 1-8, wherein the battery module is mounted between the base plate (20) and the upper cover (10).
10. The battery pack according to claim 9, wherein the upper cover (10) is recessed inwardly to form a first groove (101), the base plate (20) is recessed inwardly to form a second groove (201) opposite to the first groove (101), and the first fastening member (2) is located in the first groove (101); the second fastening piece (4) is positioned in the second groove (201), and the top surface of the second fastening piece (4) is lower than or flush with the outer surface of the bottom plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121587213.0U CN215527858U (en) | 2021-07-13 | 2021-07-13 | Mounting assembly and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121587213.0U CN215527858U (en) | 2021-07-13 | 2021-07-13 | Mounting assembly and battery pack |
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| Publication Number | Publication Date |
|---|---|
| CN215527858U true CN215527858U (en) | 2022-01-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121587213.0U Active CN215527858U (en) | 2021-07-13 | 2021-07-13 | Mounting assembly and battery pack |
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| CN (1) | CN215527858U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114744351A (en) * | 2022-03-15 | 2022-07-12 | 中创新航科技股份有限公司 | Battery device and assembling method thereof |
| WO2023240885A1 (en) * | 2022-06-17 | 2023-12-21 | 湖北亿纬动力有限公司 | Battery pack and vehicle |
-
2021
- 2021-07-13 CN CN202121587213.0U patent/CN215527858U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114744351A (en) * | 2022-03-15 | 2022-07-12 | 中创新航科技股份有限公司 | Battery device and assembling method thereof |
| EP4246681A1 (en) * | 2022-03-15 | 2023-09-20 | CALB Co., Ltd. | Battery device and assembling method thereof |
| WO2023240885A1 (en) * | 2022-06-17 | 2023-12-21 | 湖北亿纬动力有限公司 | Battery pack and vehicle |
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