CN218039517U - Box body boundary beam hanging point structure and battery pack - Google Patents
Box body boundary beam hanging point structure and battery pack Download PDFInfo
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- CN218039517U CN218039517U CN202222049738.XU CN202222049738U CN218039517U CN 218039517 U CN218039517 U CN 218039517U CN 202222049738 U CN202222049738 U CN 202222049738U CN 218039517 U CN218039517 U CN 218039517U
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- boundary beam
- mounting
- connecting hole
- box
- hanging point
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 19
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 19
- 229910000831 Steel Inorganic materials 0.000 claims description 16
- 239000010959 steel Substances 0.000 claims description 16
- 239000004411 aluminium Substances 0.000 claims description 7
- 238000010009 beating Methods 0.000 claims description 5
- 239000000565 sealant Substances 0.000 claims description 4
- 210000003781 tooth socket Anatomy 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 abstract description 7
- 239000002184 metal Substances 0.000 abstract description 7
- 238000005516 engineering process Methods 0.000 abstract description 2
- 238000003754 machining Methods 0.000 description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
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Abstract
The utility model discloses a box boundary beam carries a little structure and battery package belongs to battery technical field. The box boundary beam hanging point structure comprises a box boundary beam, a hanging point and a first fastener, the hanging point is a metal plate hanging point, the hanging point is provided with a first connecting hole, the box boundary beam is an aluminum box boundary beam, a second connecting hole is formed in the box boundary beam, the first fastener penetrates through the first connecting hole and the second connecting hole, the hanging point can be detachably connected to the box boundary beam, and the hanging point is used for being connected with the whole vehicle end hanging structure. The utility model discloses a box boundary beam carry some structures and battery package under not influencing the battery package energy density condition, reduces the technology step, reduces the size, satisfies space demand and structural strength requirement.
Description
Technical Field
The utility model relates to a battery field especially relates to a box boundary beam carries a little structure and battery package.
Background
The box body of the existing power battery pack is formed by welding aluminum profiles, the outside of the box body is provided with a mounting point, and the mounting point is also made of the aluminum profiles and is used for integrally extruding and forming the mounting point aluminum profiles and the box body aluminum profiles. Because the structural strength of aluminium alloy is relatively poor, in order to guarantee structural strength, the thickness of hanging some aluminium alloy is great, and the size is fixed. At present, when the given enveloping space at the end of the whole vehicle is smaller and the power battery pack cannot be installed, the following two schemes are generally adopted: firstly, redundant hanging point aluminum profiles are machined and cut to meet space requirements, however, the structural strength requirements are difficult to meet due to the fact that the thickness of the hanging point aluminum profiles is reduced, machining and cutting can increase process steps, and cost is increased; secondly, change box aluminium alloy into sheet metal box structure to space demand is satisfied to attenuate thickness, and sheet metal structure intensity is higher simultaneously, can satisfy the structural strength requirement equally, and the sheet metal box can lead the whole weight increase of power battery package, has greatly influenced the energy density of power battery package.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a box boundary beam carries a little structure and battery package, under not influencing the battery package energy density condition, reduces the technology step, reduces the size, satisfies space demand and structural strength requirement.
To achieve the purpose, the utility model adopts the following technical proposal:
on the one hand, a box boundary beam hanging point structure is provided, including box boundary beam, hanging point and first fastener, the hanging point is the panel beating hanging point, the hanging point is equipped with first connecting hole, the box boundary beam is aluminium system box boundary beam, be equipped with the second connecting hole on the box boundary beam, first fastener passes first connecting hole with the second connecting hole, so that the hanging point can be dismantled and connect on the box boundary beam, the hanging point is used for being connected with whole car end hanging structure.
In some possible embodiments, the second connecting hole is formed in a side wall of the box body side beam, and the thickness of the side wall is not less than 12mm.
In some possible embodiments, the second connection hole is a blind hole or a through hole.
In some possible embodiments, the wire thread sleeve further comprises a threaded hole, the second connecting hole is penetrated and installed in the second connecting hole, the first fastener is a bolt, and the bolt is penetrated and connected with the wire thread sleeve in a threaded manner.
In some possible embodiments, a sealant layer is arranged between the mounting point and the box body side beam.
In some possible embodiments, the mounting point is provided with a mounting hole, and the second fastener penetrates through the mounting hole and the hole structure of the whole vehicle-end mounting structure, so that the mounting point is detachably connected with the whole vehicle-end mounting structure.
In some possible embodiments, the mounting point comprises a first mounting plate and a second mounting plate, the mounting point has an L-shaped cross section, and the first mounting plate and the second mounting plate are respectively provided with the first connection hole and the mounting hole.
In some possible embodiments, the mounting point further comprises two oppositely disposed third mounting plates, one of the third mounting plates is connected to one end of the first mounting plate and one end of the second mounting plate, and the other of the third mounting plates is connected to the other end of the first mounting plate and the other end of the second mounting plate.
On the other hand, a battery pack is provided, which comprises the box body side beam hanging point structure.
The utility model has the advantages that:
the utility model provides a box boundary beam hanging point structure and battery package, the box boundary beam adopts aluminium system structure, guarantees that weight is lighter, can not influence battery package energy density; the mounting points are made of metal plates, and compared with the traditional aluminum profile mounting points, the thickness of the mounting points is thinner, so that the size of the whole battery pack is reduced, and when a small enveloping space is given at the end of the whole vehicle, the requirement of an installation space can be met; compared with the traditional aluminum profile mounting points, the structural strength of the mounting points is higher, so that the mounting points are optimized, and the structural strength requirements can be met; the box body boundary beam is detachably connected with the mounting point through the first fastener, the mounting point can be manufactured according to the size of the enveloping space, then the mounting is carried out, the subsequent machining process steps such as machining and cutting are avoided, the applicability is better, and the cost is saved. Through setting up the second connecting hole in advance, make corresponding first connecting hole when making the carry point according to the demand to match, avoided the unable effective welding of carry point that the box boundary beam of aluminium material and panel beating were made, improved structural connection's stability and reliability.
Drawings
Fig. 1 is an exploded view of a box body boundary beam mounting point structure provided by a specific embodiment of the present invention;
fig. 2 is a schematic structural diagram of a mounting point provided in an embodiment of the present invention;
fig. 3 is a side view of the structure of the hanging point of the box body boundary beam provided by the embodiment of the present invention.
In the figure:
1. a box body boundary beam; 11. a side wall; 111. a second connection hole; 12. a module locking hole; 13. the box cover is sealed and locked with the hole;
2. a mounting point; 21. a first mounting plate; 211. a first connection hole; 22. a second mounting plate; 221. mounting holes; 23. a third mounting plate;
3. a first fastener; 4. a steel wire tooth socket.
Detailed Description
In order to make the technical problem solved by the present invention, the technical solutions adopted by the present invention, and the technical effects achieved by the present invention clearer, the following detailed description will be made with reference to the accompanying drawings for further describing the technical solutions of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by the skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected", "connected" and "fixed" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. 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. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature.
The embodiment provides a battery pack, which comprises a box body boundary beam mounting point structure and is used for being connected with a whole vehicle end mounting structure. This embodiment still provides a box boundary beam carry point structure, as shown in fig. 1-3, including box boundary beam 1, carry point 2 and first fastener 3, carry point 2 is the panel beating carry point, carry point 2 is equipped with first connecting hole 211, box boundary beam 1 is aluminium system box boundary beam, be equipped with second connecting hole 111 on the box boundary beam 1, first fastener 3 passes first connecting hole 211 and second connecting hole 111 to make carry point 2 can dismantle and connect on box boundary beam 1, carry point 2 is used for holding structural connection with whole car end carry.
The box body boundary beam 1 adopts an aluminum structure, so that the weight is light, and the energy density of the battery pack is not influenced; the mounting points 2 are made of metal plates, and compared with the traditional aluminum profile mounting points, the thickness of the mounting points is smaller, the size of the whole battery pack is reduced, and when a small enveloping space is given at the end of the whole vehicle, the requirement of an installation space can be met; compared with the traditional aluminum profile mounting points, the structural strength of the mounting points 2 is higher, and the mounting points 2 are optimized to meet the structural strength requirement; the box boundary beam 1 and the mounting point 2 are detachably connected through the first fastener 3, the mounting point 2 can be manufactured according to the size of the envelope space, then installation is carried out, machining process steps such as subsequent machining and cutting are avoided, better applicability is achieved, and cost is saved. Through setting up second connecting hole 111 in advance, make corresponding first connecting hole 211 when making the mount point 2 according to the demand to match, avoided the unable effective welding of mount point 2 that the box boundary beam 1 of aluminium material and panel beating were made, improved structural connection's stability and reliability.
In one embodiment, as shown in fig. 1, the box body boundary beam 1 is made of aluminum section, so that the weight is light; it adopts aluminium extrusion process and integrated extrusion forming. Furthermore, the model of aluminium alloy is AL6063-T6, and its cross section includes the different rectangle frame of overall dimension, and the top of a rectangle frame is equipped with module lock and attaches hole 12, attaches hole 12 through the module lock and makes box boundary beam 1 be connected with the battery module, and the top of another rectangle frame is equipped with the sealed lock of case lid and attaches hole 13, attaches hole 13 through the sealed lock of case lid makes box boundary beam 1 and case lid sealing connection, guarantees the inside leakproofness of battery package.
In one embodiment, as shown in fig. 1, the second connection hole 111 is formed in a side wall 11 of the box body side beam 1, and the thickness of the side wall 11 is not less than 12mm, so as to ensure the structural strength of the box body side beam 1 and the connection reliability with the metal plate hanging point 2. Can specifically suitably thicken or attenuate the lateral wall 11 thickness of box boundary beam 1 according to battery package weight and service condition, in this embodiment, the thickness of lateral wall 11 is 17mm.
In one embodiment, the second connection hole 111 is a blind hole, which can ensure the sealing performance in the box-shaped cavity without causing an air-tight problem at the second connection hole 111; in another embodiment, when the cavity of the box body does not have a sealing requirement, the second connecting hole 111 may also be a through hole, and is connected by using a fastener such as a rivet; specifically, the second connecting hole 111 can be a blind hole or a through hole according to whether the cavity needs to be sealed, and meanwhile, the wall thickness can be properly thinned or thickened.
Since the steel wire shell 4 or the thread sheath is made of a high-quality stainless steel wire, the cross section thereof is diamond-shaped and mechanically rolled into a spring-shaped thread. The diameter of the steel wire thread sleeve 4 is larger than that of the screw hole, when the steel wire thread sleeve is installed, the steel wire thread sleeve 4 is compressed and tightened, and the original shape is rebounded after the installation is completed, so that the steel wire thread sleeve 4 is permanently fixed in the screw hole. Due to the larger diameter of the wire thread insert 4, the wire thread insert 4 has a larger contact surface and is therefore stronger than the original screw hole thread. In an embodiment, as shown in fig. 1, the box body boundary beam hanging point structure further includes a steel wire thread sleeve 4, the second connecting hole 111 is a threaded hole, the steel wire thread sleeve 4 is arranged and installed in the second connecting hole 111, the first fastener 3 is a bolt, the bolt is arranged and in threaded connection with the steel wire thread sleeve 4, the strength of the second connecting hole 111 is improved through the steel wire thread sleeve 4, and then the connection reliability of the bolt and the second connecting hole 111 is improved, so that the connection reliability of the hanging point 2 and the box body boundary beam 1 is improved. In this embodiment, the bolts are hexagon flange bolts with flanges, and in other embodiments, bolts with gaskets may also be used.
Further, the method for connecting the steel wire mouthpiece 4 with the second connecting hole 111 includes: after drilling, tapping the drilled hole by using a special tap to form a second connecting hole 111; then, a special mounting tool is used for downwards pushing and screwing the steel wire thread sleeve 4 into the screw hole with light force until the distance between the tail of the steel wire thread sleeve 4 and the plane of the workpiece does not exceed 1/4-1/2 circle; finally, when the second connecting hole 111 is a through hole, the mounting tool is pulled up and then horizontally placed on the transverse line, and then the transverse line is knocked by force to be broken.
In one embodiment, as shown in fig. 1 and fig. 2, the mounting point 2 is provided with a mounting hole 221, and the second fastener penetrates through the mounting hole 221 and the hole structure of the mounting structure at the vehicle end, so that the mounting point 2 is detachably connected with the mounting structure at the vehicle end, and can be connected with a bolt or a rivet.
In one embodiment, as shown in fig. 1 and 2, the mounting point 2 includes a first mounting plate 21 and a second mounting plate 22, the mounting point 2 has an L-shaped cross section, the first mounting plate 21 and the second mounting plate 22 are respectively provided with a first connection hole 211 and a mounting hole 221, and the second mounting plate 22 can be disposed on the upper side or the lower side of the mounting structure at the end of the entire vehicle, so as to save the mounting space.
In one embodiment, as shown in fig. 1 and 2, the mounting point 2 further includes two oppositely disposed third mounting plates 23, one third mounting plate 23 is connected to one end of the first mounting plate 21 and one end of the second mounting plate 22, and the other third mounting plate 23 is connected to the other end of the first mounting plate 21 and the other end of the second mounting plate 22, so that the structural strength of the mounting point 2 is improved by the third mounting plates 23.
In one embodiment, a sealant layer is arranged between the mounting points 2 and the box body boundary beam 1 for sealing. Furthermore, the box body boundary beam 1 and the first mounting plate 21 of the hanging point 2 are both planes, and sealant is filled between the junction surfaces.
It is to be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be, nor should it be exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a box boundary beam carries a little structure, a serial communication port, including box boundary beam (1), carry a little (2) and first fastener (3), carry a little (2) and be the panel beating carry a little, carry a little (2) and be equipped with first connecting hole (211), box boundary beam (1) is aluminium system box boundary beam, be equipped with second connecting hole (111) on box boundary beam (1), first fastener (3) pass first connecting hole (211) with second connecting hole (111), so that carry a little (2) can dismantle connect in on box boundary beam (1), carry a little (2) and be used for holding the carry structural connection with whole car.
2. The box body boundary beam hanging point structure according to claim 1, characterized in that the second connecting hole (111) is arranged on a side wall (11) of the box body boundary beam (1), and the thickness of the side wall (11) is not less than 12mm.
3. The box body boundary beam hanging point structure of claim 1, wherein the second connecting hole (111) is a blind hole or a through hole.
4. The box body boundary beam hanging point structure of claim 1, further comprising a steel wire tooth socket (4), wherein the second connecting hole (111) is a threaded hole, the steel wire tooth socket (4) is inserted and installed in the second connecting hole (111), the first fastener (3) is a bolt, and the bolt is inserted and threaded in the steel wire tooth socket (4).
5. The box body boundary beam hanging point structure according to claim 1, characterized in that a sealant layer is arranged between the hanging point (2) and the box body boundary beam (1).
6. The box body boundary beam mounting point structure of any one of claims 1-5, characterized in that the mounting point (2) is provided with a mounting hole (221), and a second fastener is arranged through the mounting hole (221) and the hole structure of the whole vehicle-end mounting structure, so that the mounting point (2) is detachably connected with the whole vehicle-end mounting structure.
7. The box body boundary beam hanging point structure according to claim 6, characterized in that the hanging point (2) comprises a first mounting plate (21) and a second mounting plate (22), the cross section of the hanging point (2) is L-shaped, and the first mounting plate (21) and the second mounting plate (22) are respectively provided with the first connecting hole (211) and the mounting hole (221).
8. A box side rail mounting point structure according to claim 7 wherein said mounting point (2) further comprises two oppositely disposed third mounting plates (23), one of said third mounting plates (23) being connected to one end of said first mounting plate (21) and one end of said second mounting plate (22), the other of said third mounting plates (23) being connected to the other end of said first mounting plate (21) and the other end of said second mounting plate (22).
9. A battery pack, characterized in that it comprises the box body edge beam mounting point structure of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222049738.XU CN218039517U (en) | 2022-08-04 | 2022-08-04 | Box body boundary beam hanging point structure and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222049738.XU CN218039517U (en) | 2022-08-04 | 2022-08-04 | Box body boundary beam hanging point structure and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218039517U true CN218039517U (en) | 2022-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222049738.XU Active CN218039517U (en) | 2022-08-04 | 2022-08-04 | Box body boundary beam hanging point structure and battery pack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218039517U (en) |
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2022
- 2022-08-04 CN CN202222049738.XU patent/CN218039517U/en active Active
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