Power battery suspension point structure, power battery and vehicle

Abstract

The present disclosure relates to a power battery lifting point structure, a power battery and a vehicle, and belongs to the technical field of automobiles. The power battery lifting point structure comprises a support structure, a first connecting structure and a second connecting structure. The support structure is adapted to penetrate an internal cross beam of the power battery and is fixedly connected with the internal cross beam. A first end of the support structure is adapted to abut against an inner side of a lower shell of the power battery, and a second end of the support structure is adapted to abut against an inner side of an upper shell of the power battery. The first connecting structure is adapted to abut against an outer side of the lower shell and penetrate to the inner side of the lower shell to be connected with the first end of the support structure. The second connecting structure is adapted to be connected with a body beam of the vehicle and is also adapted to abut against an outer side of the upper shell and penetrate to the inner side of the upper shell to be connected with the second end of the support structure. The present disclosure makes the manufacturing difficulty of each structural member constituting the power battery lifting point structure small, and the structural strength and assembly reliability of the power battery can be ensured.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to the technical field of automobiles, in particular to a power battery lifting point structure, a power battery and a vehicle. BACKGROUND

[0002] As a core component of new energy vehicles, the energy density of a power battery affects the cruising range of an electric vehicle. At present, in order to increase the power or energy density, electric vehicles mainly rely on increasing the volume of the battery pack to arrange more battery cells.

[0003] The power battery is mainly hoisted on the vehicle chassis through the bolts around the power battery, but as the volume or weight of the power battery increases, the middle part of the power battery is increasingly affected by gravity, which may cause problems such as insufficient structural strength and poor assembly reliability of the power battery. Therefore, the prior art increases an intermediate via in the middle part of the power battery, and a long bolt passes through the intermediate via of the power battery to be fixed with the vehicle body beam, but the long bolt is difficult to manufacture and the strength is not easy to guarantee, so that the structural strength and assembly reliability of the power battery are still prone to problems. SUMMARY

[0004] In view of this, the embodiments of the present disclosure provide a power battery lifting point structure, a power battery and a vehicle, so that the manufacturing difficulty of each structure constituting the power battery lifting point structure is small, and the structural strength and assembly reliability of the power battery can be guaranteed. The technical solution is as follows:

[0005] In a first aspect, a power battery lifting point structure is provided, which comprises a support structure, a first connecting structure and a second connecting structure.

[0006] The support structure is adapted to penetrate an internal cross beam of the power battery and is fixedly connected with the internal cross beam, and a first end of the support structure is adapted to abut against an inner side of a lower shell of the power battery, and a second end of the support structure is adapted to abut against an inner side of an upper shell of the power battery.

[0007] The first connecting structure is adapted to abut against an outer side of the lower shell and penetrate to the inner side of the lower shell to be connected with the first end of the support structure.

[0008] The second connecting structure is adapted to be connected with a vehicle body beam of the vehicle, and is further adapted to abut against an outer side of the upper shell and penetrate to the inner side of the upper shell to be connected with the second end of the support structure.

[0009] In a possible implementation, the support structure comprises a first support member and a second support member.

[0010] The first end of the first support member is adapted to abut against the first side of the internal cross beam and the inner side of the lower shell and is connected with the first connecting structure, and the second end of the first support member is adapted to pass through the second side of the internal cross beam and is connected with the first end of the second support member, and the second end of the second support member is adapted to abut against the inner side of the upper shell and is connected with the second connecting structure.

[0011] The first end of the first support member has a first limiting structure adapted to abut against the first side of the internal cross beam, and the first end of the second support member has a second limiting structure adapted to abut against the second side of the internal cross beam.

[0012] In a possible implementation, the second support member is in the shape of a rod, the first end of the second support member has a first connecting hole, the second end of the second support member has a second connecting hole, the second end of the first support member extends into the first connecting hole and is connected with the second support member, and the second connecting structure extends into the second connecting hole and is connected with the second support member.

[0013] The diameters of the first end and the second end of the second support member are greater than the diameter of the middle part of the second support member.

[0014] In a possible implementation, the second end of the first support member and the first connecting hole have matching internal and external threads, and the second connecting structure and the second connecting hole have matching internal and external threads.

[0015] In a possible implementation, the first support member, the second support member, and the second connecting structure are made of steel.

[0016] In a possible implementation, the first connecting structure includes a first connecting piece and a first fastener.

[0017] The first end of the first connecting piece is adapted to abut against the first side of the external cross beam of the power battery, the second end of the first connecting piece is adapted to pass through the second side of the external cross beam and is connected with the first end of the first fastener, and the second end of the first fastener is adapted to pass through the inner side of the lower shell and is connected with the first end of the support structure.

[0018] The first end of the first fastener has a third limiting structure adapted to abut against the outer side of the lower shell and the second side of the external cross beam.

[0019] In a possible implementation, the second connecting structure includes a second connecting piece and a second fastener.

[0020] The first end of the second connecting member is adapted to abut against the first side of the vehicle body beam, the second end of the second connecting member is adapted to pass through the second side of the vehicle body beam and connect with the first end of the second fastener, and the second end of the second fastener is adapted to pass through the inner side of the upper shell and connect with the second end of the support structure;

[0021] The first end of the second fastener has a fourth limiting structure adapted to abut against the outer side of the upper shell and the second side of the vehicle body beam.

[0022] In a possible implementation, the power battery hanger point structure further comprises a first sealing ring and a second sealing ring.

[0023] The first sealing ring is clamped between the first end of the support structure and the lower shell and surrounds the part of the first connecting structure passing through the inner side of the lower shell;

[0024] The second sealing ring is clamped between the second end of the support structure and the upper shell and surrounds the part of the second connecting structure passing through the inner side of the upper shell.

[0025] In a second aspect, a power battery is provided, which comprises an internal cross beam, a lower shell, an upper shell, and the power battery hanger point structure according to any one of the first aspect, the lower shell and the upper shell jointly form a battery pack inner cavity, and the internal cross beam is located in the battery pack inner cavity.

[0026] The support structure penetrates the internal cross beam of the power battery and is fixedly connected with the internal cross beam, the first end of the support structure abuts against the inner side of the lower shell of the power battery, and the second end of the support structure abuts against the inner side of the upper shell of the power battery.

[0027] The first connecting structure abuts against the outer side of the lower shell and passes through the inner side of the lower shell and connects with the first end of the support structure.

[0028] The second connecting structure is adapted to be connected with the vehicle body beam of a vehicle, and the second connecting structure further abuts against the outer side of the upper shell and passes through the inner side of the upper shell and connects with the second end of the support structure.

[0029] In a third aspect, a vehicle is provided, which comprises a vehicle body beam and the power battery according to the second aspect, and the vehicle body beam is connected with the second connecting structure.

[0030] In the scheme shown in the present disclosure, the lengths of the support structure, the first connecting structure and the second connecting structure can be relatively short with respect to the long bolt, the manufacturing difficulty is small, and the strength is easy to guarantee. Moreover, the support structure is fixedly connected to the internal cross beam of the power battery, at the same time, the first end and the second end of the support structure are respectively abutted with the lower shell and the upper shell of the power battery, which can improve the stability of the internal structure of the power battery. The first connecting structure realizes the stable connection of the lower shell and the support structure, and the second connecting structure realizes the stable connection between the upper shell and the support structure and the vehicle body beam. Therefore, the structural strength and assembly reliability of the power battery can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0031] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure, the drawings needed to be used in the embodiment description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without creative labor.

[0032] Figure 1 is a structural schematic diagram of a power battery lifting point structure provided by an embodiment of the present disclosure;

[0033] Figure 2 is a cross-sectional structural schematic diagram of a power battery lifting point structure provided by an embodiment of the present disclosure;

[0034] Figure 3 is a split structural schematic diagram of a power battery lifting point structure provided by an embodiment of the present disclosure;

[0035] Figure 4 is a cross-sectional structural schematic diagram of a first support provided by an embodiment of the present disclosure;

[0036] Figure 5 is a cross-sectional structural schematic diagram of a second support provided by an embodiment of the present disclosure;

[0037] Figure 6 is a cross-sectional structural schematic diagram of a first fastener provided by an embodiment of the present disclosure;

[0038] Figure 7 is a cross-sectional structural schematic diagram of a second fastener provided by an embodiment of the present disclosure.

[0039] Explanation of reference signs

[0040] 1, support structure 11, first support; 111, first limiting structure; 112, fourth connecting hole; 12, second support; 121, second limiting structure; 122, first connecting hole; 123, second connecting hole; 2, first connecting structure; 21, first connecting piece; 22, first fastener; 221, third limiting structure; 222, third connecting hole; 3, second connecting structure; 31, second connecting piece; 32, second fastener; 321, fourth limiting structure; 322, fifth connecting hole; 4, internal cross beam; 41, first mounting hole; 5, lower shell; 51, third mounting hole; 6, upper shell; 61, fifth mounting hole; 7, vehicle body beam; 71, fourth mounting hole; 8, external cross beam; 81, second mounting hole; 91, first sealing ring; 92, second sealing ring; 10, battery pack inner cavity. DETAILED DESCRIPTION

[0041] For the purpose, technical solutions and advantages of the present disclosure to be clearer, the following will be further described in detail with reference to the drawings.

[0042] The present embodiment relates to a power battery lifting point structure, as shown in Figure 1 As shown in the cross-sectional structure schematic view of the power battery lifting point structure, Figure 2 As shown in the cross-sectional structure schematic view of the power battery lifting point structure, Figure 3 As shown in the cross-sectional structure schematic view of the power battery lifting point structure, Figure 4 As shown in the cross-sectional structure schematic view of the first support, Figure 5 As shown in the cross-sectional structure schematic view of the second support, Figure 6 As shown in the cross-sectional structure schematic view of the first fastener, Figure 7 As shown in the cross-sectional structure schematic view of the second fastener.

[0043] Referring to Figure 1 and Figure 2 As shown, the power battery lifting point structure includes a support structure 1, a first connecting structure 2 and a second connecting structure 3. Among them, the support structure 1 is adapted to penetrate the internal cross beam 4 of the power battery, and is fixedly connected with the internal cross beam 4. For example, the support structure 1 and the internal cross beam 4 can be integrally formed, or can be independent structural members fixedly connected together in a detachable or non-detachable manner. For example, the support structure 1 and the internal cross beam 4 can be fixedly connected together in a non-detachable manner by welding or the like, or the support structure 1 and the internal cross beam 4 can be fixedly connected together by bolts, clamping or the like.

[0044] The first end of the support structure 1 can abut the inner side of the lower shell 5 of the power battery, and the second end of the support structure 1 can abut the inner side of the upper shell 6 of the power battery, so that the support structure 1 can be supported in the power battery, thereby improving the stability of the internal structure of the power battery.

[0045] With reference to Figure 2 As shown, the first connecting structure 2 can abut the outer side of the lower shell 5 and pass through the inner side of the lower shell 5 to be fixedly connected with the first end of the support structure 1. Thus, the lower shell 5 and the support structure 1 can be fixedly connected together through the first connecting structure 2.

[0046] With reference to Figure 2 As shown, the second connecting structure 3 is adapted to be fixedly connected with the body beam 7 of the vehicle, and the second connecting structure 3 is also adapted to abut the outer side of the upper shell 6 and pass through the inner side of the upper shell 6 to be fixedly connected with the second end of the support structure 1. Thus, the upper shell 6 and the support structure 1 can be fixedly connected together with the body beam 7 through the second connecting structure 3.

[0047] It should be noted that the inner side of the lower shell 5 refers to the side of the lower shell 5 facing the battery pack inner cavity 10 of the power battery, and the outer side opposite to the inner side refers to the side of the lower shell 5 away from the battery pack inner cavity 10 of the power battery. The inner side of the upper shell 6 refers to the side of the upper shell 6 facing the battery pack inner cavity 10 of the power battery, and the outer side opposite to the inner side refers to the side of the upper shell 6 away from the battery pack inner cavity 10 of the power battery.

[0048] As described above, the lengths of the support structure 1, the first connecting structure 2 and the second connecting structure 3 can be relatively short with respect to the long bolt, and the manufacturing difficulty is small, and the strength can be easily ensured.

[0049] Moreover, the support structure 1 is fixedly connected on the internal transverse beam 4 of the power battery, and meanwhile, the first end and the second end of the support structure 1 abut the lower shell 5 and the upper shell 6 of the power battery respectively, thereby improving the stability of the internal structure of the power battery.

[0050] The first connecting structure 2 realizes the stable connection between the lower shell 5 and the support structure 1, and the second connecting structure 3 realizes the stable connection between the upper shell 6 and the support structure 1 and the body beam 7. Thus, the structural strength and the assembly reliability of the power battery can be improved.

[0051] In an example, reference is made to Figure 2As shown, the support structure 1 can include a first support 11 and a second support 12. Wherein the first end of the first support 11 can be located on the first side of the inner crossbeam 4 and abut the inner side of the lower shell 5, and is fixedly connected with the first connecting structure 2, the second end of the first support 11 can pass through the second side of the inner crossbeam 4 and is fixedly connected with the first end of the second support 12, the second end of the second support 12 is adapted to abut the inner side of the upper shell 6, and is fixedly connected with the second connecting structure 3.

[0052] For example Figure 3 And in combination Figure 2 As shown, the inner crossbeam 4 has a first mounting hole 41 passing through from top to bottom, the lower end of the first support 11 can be located on the lower side of the inner crossbeam 4 and abut the inner side of the lower shell 5, and is fixedly connected with the first connecting structure 2, the upper end of the first support 11 can be gap-fitted with the first mounting hole 41, so that the upper end of the first support 11 can pass through the first mounting hole 41 to the upper side of the inner crossbeam 4 and is fixedly connected with the lower end of the second support 12, the upper end of the second support 12 can abut the inner side of the upper shell 6, and is fixedly connected with the second connecting structure 3.

[0053] Wherein, referring to Figure 4 And in combination Figure 2 As shown, the first end of the first support 11 has a first limiting structure 111, which can abut the first side of the inner crossbeam 4, referring to Figure 5 And in combination Figure 2 As shown, the first end of the first support 11 has a first limiting structure 111, which can abut the first side of the inner crossbeam 4, referring to

[0054] For example Figure 4 And in combination Figure 2 As shown, the lower end of the first support 11 has a first limiting structure 111, and the diameter of the first limiting structure 111 is greater than the diameter of the first mounting hole 41, so that the first limiting structure 111 can abut the lower side of the inner crossbeam 4, for example Figure 5 And in combination Figure 2 As shown, the lower end of the second support 12 has a second limiting structure 121, and the diameter of the second limiting structure 121 is greater than the diameter of the first mounting hole 41, so that the second limiting structure 121 can abut the upper side of the inner crossbeam 4.

[0055] Since the support structure 1 includes the first support 11 and the second support 12, the first support 11 and the second support 12 can have a shorter length, thereby further reducing the manufacturing difficulty and facilitating the improvement of the structural strength of the power battery.

[0056] Meanwhile, detachable fixed connection between the first support 11 and the second support 12 and the inner cross beam 4 can be realized, and the inner cross beam 4 can be clamped between the first limiting structure 111 and the second limiting structure 121, so that the connection between the first support 11, the second support 12 and the inner cross beam 4 is more stable.

[0057] In an example, the second support 12 is in the shape of a rod, the first end of the second support 12 has the first connecting hole 122, the second end of the second support 12 has the second connecting hole 123, the second end of the first support 11 is inserted into the first connecting hole 122 to be fixedly connected with the second support 12, and the second connecting structure 3 is inserted into the second connecting hole 123 to be fixedly connected with the second support 12.

[0058] For example Figure 5 As shown, the lower end of the second support 12 has the first connecting hole 122, the upper end of the second support 12 has the second connecting hole 123, the upper end of the first support 11 is inserted into the first connecting hole 122 to be fixedly connected with the second support 12, and the second connecting structure 3 is inserted into the second connecting hole 123 to be fixedly connected with the second support 12.

[0059] In the example, the diameter of the first end and the second end of the second support 12 is greater than the diameter of the middle part of the second support 12.

[0060] For example, the upper end of the second support 12 has the fifth limiting structure 124, and the lower end has the second limiting structure 121, the diameters of the fifth limiting structure 124 and the second limiting structure 121 are greater than the diameter of the middle part of the second support 12. Specifically, the diameters of the fifth limiting structure 124 and the second limiting structure 121 can both be 10 mm, and the diameter of the middle part of the second support 12 can be 8 mm; for another example, the diameters of the fifth limiting structure 124 and the second limiting structure 121 can both be 15 mm, and the diameter of the middle part of the second support 12 can be 12 mm; for yet another example, the diameters of the fifth limiting structure 124 and the second limiting structure 121 can both be 12 mm, and the diameter of the middle part of the second support 12 can be 9 mm, and the like.

[0061] In this way, although the two ends of the second support 12 have the first connecting hole 122 and the second connecting hole 123 respectively, the structural strength of the two ends of the second support 12 can still be more uniform than the middle part, and the second support 12 can have higher structural strength, so that the material cost is reduced under the premise of ensuring the structural strength of the second support 12.

[0062] In an example, the second end of the first support 11 has a matching internal and external thread with the first connecting hole 122, and the second connecting structure 3 has a matching internal and external thread with the second connecting hole 123. For example, the upper end of the first support 11 can have a first external thread, and the first connecting hole 122 can have a first internal thread, the diameter of the first external thread and the first internal thread being matched to form a threaded connection. The end of the second connecting structure 3 inside the upper shell 6 can have a second external thread, and the second connecting hole 123 can have a second internal thread, the diameter of the second external thread and the second internal thread being matched to form a threaded connection.

[0063] In this way, the second support 12 can be fixedly connected to the first support 11 and the second connecting structure 3 through a threaded connection, so that the assembly of the second support 12, the first support 11 and the second connecting structure 3 is simple, efficient and stable.

[0064] In an example, since the connection between the first support 11 and the second support 12 and the internal cross beam 4 can not be welded, steel material can be used. Accordingly, the first support 11, the second support 12 and the second connecting structure 3 are all made of steel material. Thus, compared with aluminum alloy material, the first support 11, the second support 12 and the second connecting structure 3 made of steel material can further ensure the strength and stability of the connection without thread slipping even after multiple disassembly and assembly.

[0065] In an example, the first connecting structure 2 includes a first connecting piece 21 and a first fastener 22. The first end of the first connecting piece 21 can abut against the first side of the external cross beam 8 of the power battery, the second end of the first connecting piece 21 is adapted to pass through the second side of the external cross beam 8 and be connected with the first end of the first fastener 22, and the second end of the first fastener 22 is adapted to pass through the inside of the lower shell 5 and be connected with the first end of the support structure 1.

[0066] In addition, the first end of the first fastener 22 has a third limiting structure 221 adapted to abut against the outside of the lower shell 5 and the second side of the external cross beam 8.

[0067] For example Figure 3 In combination with Figure 2 As shown in the drawings, the external cross beam 8 can be located on the lower side of the lower shell 5, and the external cross beam 8 has a second mounting hole 81 penetrating from top to bottom, and the lower shell 5 has a third mounting hole 51 penetrating from top to bottom. The first connecting piece 21 can be a first bolt as shown in Figure 2 and Figure 3 The lower end of the first bolt has a first nut. The first fastener 22 can be a second bolt, and the lower end of the second bolt can have a second nut as shown in Figure 6The second nut and the third connecting hole 222 are shown, with the second nut serving as the third limiting structure 221. The third connecting hole 222 may have a third internal thread. The lower end of the first support member 11 also has a fourth connecting hole 112, which may have a fourth internal thread.

[0068] The first nut rests against the lower side of the outer crossbeam 8. The upper end of the first bolt passes through the second mounting hole 81 to the upper side of the outer crossbeam 8 and extends into the third connecting hole 222, allowing the third external thread and third internal thread of the first bolt to be tightened. The upper end of the second bolt passes through the third mounting hole 51 to the inner side of the lower housing 5 and extends into the fourth connecting hole 112, allowing the fourth external thread and fourth internal thread of the second bolt to be tightened. Furthermore, the second nut rests against the outer side of the lower housing 5 and the upper side of the outer crossbeam 8. This achieves a fixed connection between the outer crossbeam 8, the lower housing 5, and the first support member 11.

[0069] As described above, the external crossbeam 8 of the power battery can be assembled offline, improving the structural strength of the power battery. At the same time, the first connector 21 and the first fastener 22 of the first connecting structure 2 can both have high structural strength, and the connection between the lower shell 5, the external crossbeam 8 and the first support member 11 is relatively stable, thereby improving the structural strength of the power battery.

[0070] In one example, the second connection structure 3 includes a second connector 31 and a second fastener 32. The first end of the second connector 31 is adapted to abut against the first side of the body beam 7, the second end of the second connector 31 is adapted to pass through to the second side of the body beam 7 and connect with the first end of the second fastener 32, and the second end of the second fastener 32 is adapted to pass through to the inside of the upper housing 6 and connect with the second end of the support structure 1.

[0071] Furthermore, the first end of the second fastener 32 has a fourth limiting structure 321, which is adapted to abut against the outer side of the upper housing 6 and the second side of the body beam 7.

[0072] For example Figure 3 and combined Figure 2 As shown, the body beam 7 is located on the upper side of the upper housing 6. The body beam 7 has a fourth mounting hole 71 that extends vertically through the body, and the upper housing 6 has a fifth mounting hole 61 that extends vertically through the body. The second connecting member 31 can be as follows: Figure 2 and Figure 3 The third bolt shown has a third nut at its upper end. The second fastener 32 can be a fourth bolt, and the upper end of the fourth bolt can have, as shown in the image... Figure 7 The fourth nut and the fifth connecting hole 322 are shown, and the fourth nut serves as the fourth limiting structure 321. The fifth connecting hole 322 may have a fifth internal thread, and the thread of the fourth bolt may be a second external thread.

[0073] The third nut can abut against the upper side of the vehicle body beam 7, the lower end of the third bolt can pass through the fourth mounting hole 71 to the lower side of the vehicle body beam 7 and extend into the fifth connecting hole 322, so that the fifth external thread of the third bolt is screwed with the fifth internal thread. The lower end of the fourth bolt can pass through the fifth mounting hole 61 to the inner side of the upper shell 6 and extend into the second connecting hole 123, so that the second external thread of the fourth bolt is screwed with the second internal thread. And the fourth nut can abut against the outer side of the upper shell 6 and the lower side of the vehicle body beam 7. Thus, the fixed connection between the vehicle body beam 7 and the upper shell 6 and the second support 12 is achieved.

[0074] As described above, the second connecting member 31 and the second fastener 32 of the second connecting structure 3 can have high structural strength, and the connection of the upper shell 6, the vehicle body beam 7 and the second support 12 is stable, thereby improving the structural strength of the power battery.

[0075] In an example, referring to Figure 2 and Figure 3 The power battery hanging point structure further comprises a first sealing ring 91 and a second sealing ring 92.

[0076] The first sealing ring 91 is clamped between the first end of the support structure 1 and the lower shell 5, and surrounds the part of the first connecting structure 2 passing into the inner side of the lower shell 5. The second sealing ring 92 is clamped between the second end of the support structure 1 and the upper shell 6, and surrounds the part of the second connecting structure 3 passing into the inner side of the upper shell 6.

[0077] For example Figure 2 The first sealing ring 91 can be clamped between the first limiting structure 111 and the lower shell 5, and is sleeved outside the upper end of the first fastener 22. The second sealing ring 92 can be clamped between the fifth limiting structure 124 and the lower shell 5, and is sleeved outside the lower end of the second fastener 32.

[0078] Thus, the air tightness of the power battery can be improved by the first sealing ring 91 and the second sealing ring 92.

[0079] In an example, the cross section of the outer cross beam 8 can be a sun shape.

[0080] In an example, the cross section of the inner cross beam 4 can be a field shape.

[0081] In the embodiments of the present disclosure, the lengths of the support structure 1, the first connecting structure 2 and the second connecting structure 3 can be relatively short with respect to the long bolt, the manufacturing difficulty is small, and the strength is easy to be guaranteed.

[0082] And the support structure 1 is fixedly connected to the internal cross beam 4 of the power battery, and the first end and the second end of the support structure 1 abut against the lower shell 5 and the upper shell 6 of the power battery respectively, so that the stability of the internal structure of the power battery can be improved.

[0083] The first connecting structure 2 realizes the stable connection between the lower shell 5 and the support structure 1, and the second connecting structure 3 realizes the stable connection between the upper shell 6, the support structure 1 and the vehicle body beam 7, so that the structural strength and assembly reliability of the power battery can be improved.

[0084] The embodiment also provides a power battery, which comprises an internal cross beam 4, a lower shell 5, an upper shell 6 and a power battery hanger point structure according to any one of the first aspect, the lower shell 5 and the upper shell 6 jointly form a battery pack inner cavity 10, and the internal cross beam 4 is located in the battery pack inner cavity 10. The support structure 1 penetrates through the internal cross beam 4 of the power battery and is fixedly connected to the internal cross beam 4, and the first end of the support structure 1 abuts against the inner side of the lower shell 5 of the power battery, and the second end of the support structure 1 abuts against the inner side of the upper shell 6 of the power battery.

[0085] The first connecting structure 2 abuts against the outer side of the lower shell 5 and penetrates to the inner side of the lower shell 5 to be connected to the first end of the support structure 1. The second connecting structure 3 is suitable for being connected to the vehicle body beam 7 of the vehicle, and the second connecting structure 3 also abuts against the outer side of the upper shell 6 and penetrates to the inner side of the upper shell 6 to be connected to the second end of the support structure 1.

[0086] In the embodiment of the present disclosure, the lengths of the support structure 1, the first connecting structure 2 and the second connecting structure 3 can be relatively short relative to the long bolt, the manufacturing difficulty is small, and the strength can be easily ensured.

[0087] And the support structure 1 is fixedly connected to the internal cross beam 4 of the power battery, and the first end and the second end of the support structure 1 abut against the lower shell 5 and the upper shell 6 of the power battery respectively, so that the stability of the internal structure of the power battery can be improved.

[0088] The first connecting structure 2 realizes the stable connection between the lower shell 5 and the support structure 1, and the second connecting structure 3 realizes the stable connection between the upper shell 6, the support structure 1 and the vehicle body beam 7, so that the structural strength and assembly reliability of the power battery can be improved.

[0089] In an example, the power battery further comprises an external cross beam 8, which can be located on the lower side of the lower shell 5. The first connecting structure 2 comprises a first connecting piece 21 and a first fastener 22. The first end of the first connecting piece 21 can abut against the first side of the external cross beam 8 of the power battery, the second end of the first connecting piece 21 is adapted to pass through the second side of the external cross beam 8 and be connected with the first end of the first fastener 22, and the second end of the first fastener 22 is adapted to pass through the inner side of the lower shell 5 and be connected with the first end of the support structure 1. In addition, the first end of the first fastener 22 has a third limiting structure 221 adapted to abut against the outer side of the lower shell 5 and the second side of the external cross beam 8.

[0090] As described above, the second connecting piece 31 and the second fastener 32 of the second connecting structure 3 can have higher structural strength, and the connection of the upper shell 6, the body beam 7 and the second support piece 12 is more stable, thereby improving the structural strength of the power battery.

[0091] In an example, the cross section of the body beam 7 can be a day shape.

[0092] The embodiment also provides a vehicle comprising the body beam 7 and any power battery of the second aspect, and the body beam 7 is fixedly connected with the second connecting structure 3.

[0093] In the embodiment of the present disclosure, the length of the support structure 1, the first connecting structure 2 and the second connecting structure 3 can be relatively short with respect to the long bolt, which has small manufacturing difficulty and easy to ensure the strength.

[0094] In addition, the support structure 1 is fixedly connected on the internal cross beam 4 of the power battery, and the first end and the second end of the support structure 1 abut against the lower shell 5 and the upper shell 6 of the power battery respectively, which can improve the stability of the internal structure of the power battery.

[0095] The first connecting structure 2 realizes the stable connection of the lower shell 5 and the support structure 1, and the second connecting structure 3 realizes the stable connection between the upper shell 6 and the support structure 1 and the body beam 7. Therefore, the structural strength and assembly reliability of the power battery can be improved.

[0096] It should be noted that the terms "first", "second", and the like in the description and claims of the present disclosure are used for distinguishing between similar objects and not necessarily for describing a specific sequential or chronological order. It is to be understood that the use of these terms herein is to distinguish one from another like item. For example, a first item, a second item or a third item have meanings that are distinct from one another but they are not necessarily measured by sequence or order and can overlap. Furthermore, the terms "comprise", "comprising", "include", "including", and the like used in the present disclosure are preferably used in the sense of "including but not limited to". The terms "coupled" and "coupling" as used in the present disclosure refer to two or more objects (e.g., objects that are directly connected or objects that are indirectly connected through one or more intermediate objects). The term "and / or" as used in the present disclosure, separates a set of two or more related objects, and indicates that any one of the objects, or any combination of two or more of the objects, can be present.

[0097] The preferred embodiments of the present disclosure have been described above with the aid of a number of drawings. These embodiments are illustrative only and not intended to limit the scope of the present disclosure. Other embodiments of the present disclosure, readily apparent to those skilled in the art in view of the foregoing description, are expressly intended to fall within the scope of the present disclosure.

Claims

1. A power battery hanger point structure, characterized in that, The power battery hanging point structure comprises a support structure (1), a first connecting structure (2) and a second connecting structure (3); The support structure (1) is adapted to penetrate through an internal cross beam (4) of the power battery and is fixedly connected with the internal cross beam (4), and a first end of the support structure (1) is adapted to abut against an inner side of a lower shell (5) of the power battery, and a second end of the support structure (1) is adapted to abut against an inner side of an upper shell (6) of the power battery; The first connecting structure (2) is adapted to abut against an outer side of the lower shell (5) and penetrate to the inner side of the lower shell (5) to be connected with the first end of the support structure (1); The second connecting structure (3) is adapted to be connected with a vehicle body beam (7) of a vehicle, and the second connecting structure (3) is also adapted to abut against an outer side of the upper shell (6) and penetrate to the inner side of the upper shell (6) to be connected with the second end of the support structure (1); The support structure (1) comprises a first support piece (11) and a second support piece (12); A first end of the first support piece (11) is adapted to abut against an inner side of the lower shell (5) on a first side of the internal cross beam (4) and is connected with the first connecting structure (2), a second end of the first support piece (11) is adapted to penetrate to a second side of the internal cross beam (4) to be connected with a first end of the second support piece (12), and a second end of the second support piece (12) is adapted to abut against an inner side of the upper shell (6) and is connected with the second connecting structure (3); The first end of the first support piece (11) is provided with a first limiting structure (111) adapted to abut against the first side of the internal cross beam (4), and the first end of the second support piece (12) is provided with a second limiting structure (121) adapted to abut against the second side of the internal cross beam (4).

2. The power battery hanger point structure according to claim 1, characterized in that, The second support piece (12) is in a rod shape, the first end of the second support piece (12) is provided with a first connecting hole (122), the second end of the second support piece (12) is provided with a second connecting hole (123), the second end of the first support piece (11) extends into the first connecting hole (122) to be connected with the second support piece (12), and the second connecting structure (3) extends into the second connecting hole (123) to be connected with the second support piece (12); The diameters of the first end and the second end of the second support piece (12) are greater than the diameter of the middle part of the second support piece (12).

3. The power cell hanger point structure of claim 2, wherein, The second end of the first support piece (11) and the first connecting hole (122) have matching internal and external threads, and the second connecting structure (3) and the second connecting hole (123) have matching internal and external threads.

4. The power battery hanger point structure according to claim 3, characterized in that, The materials of the first support piece (11), the second support piece (12) and the second connecting structure (3) are steel materials.

5. The power cell hanger point structure of claim 1, wherein, The first connecting structure (2) comprises a first connecting piece (21) and a first fastener (22); The first end of the first connecting piece (21) is adapted to abut against the first side of the outer cross beam (8) of the power battery, the second end of the first connecting piece (21) is adapted to pass through the second side of the outer cross beam (8) and be connected with the first end of the first fastener (22), and the second end of the first fastener (22) is adapted to pass through the inner side of the lower shell (5) and be connected with the first end of the support structure (1); The first end of the first fastener (22) is provided with a third limiting structure (221) adapted to abut against the outer side of the lower shell (5) and the second side of the outer cross beam (8).

6. The power cell hanger point structure of claim 1, wherein, The second connecting structure (3) comprises a second connecting piece (31) and a second fastener (32); The first end of the second connecting piece (31) is adapted to abut against the first side of the vehicle body beam (7), the second end of the second connecting piece (31) is adapted to pass through the second side of the vehicle body beam (7) and be connected with the first end of the second fastener (32), and the second end of the second fastener (32) is adapted to pass through the inner side of the upper shell (6) and be connected with the second end of the support structure (1); The first end of the second fastener (32) is provided with a fourth limiting structure (321) adapted to abut against the outer side of the upper shell (6) and the second side of the vehicle body beam (7).

7. The power cell hanger point structure of claim 1, wherein, The power battery lifting point structure further comprises a first sealing ring (91) and a second sealing ring (92); The first sealing ring (91) is clamped between the first end of the support structure (1) and the lower shell (5) and surrounds the part of the first connecting structure (2) passing through the inner side of the lower shell (5); The second sealing ring (92) is clamped between the second end of the support structure (1) and the upper shell (6) and surrounds the part of the second connecting structure (3) passing through the inner side of the upper shell (6).

8. A power cell, characterized by The power battery comprises an inner cross beam (4), a lower shell (5), an upper shell (6) and the power battery lifting point structure according to any one of claims 1 to 7, the lower shell (5) and the upper shell (6) jointly form a battery pack inner cavity (10), and the inner cross beam (4) is located in the battery pack inner cavity (10); The support structure (1) penetrates the inner cross beam (4) of the power battery and is fixedly connected with the inner cross beam (4), the first end of the support structure (1) abuts against the inner side of the lower shell (5) of the power battery, and the second end of the support structure (1) abuts against the inner side of the upper shell (6) of the power battery; The first connecting structure (2) abuts against the outer side of the lower shell (5) and passes through the inner side of the lower shell (5) to be connected with the first end of the support structure (1); The second connecting structure (3) is adapted to be connected with the vehicle body beam (7) of a vehicle, and the second connecting structure (3) also abuts against the outer side of the upper shell (6) and passes through the inner side of the upper shell (6) to be connected with the second end of the support structure (1).

9. A vehicle characterized by comprising: The vehicle comprises a vehicle body beam (7) and the power battery as claimed in claim 8, the vehicle body beam (7) being connected with the second connecting structure (3).

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