Lifting lug structure and battery pack
By designing a height-adjustable lifting structure, the problems of poor versatility and high production costs in the prior art are solved, and the adaptation and production costs of various models are achieved.
Patent Information
- Application Number
- CN202421236707.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-31
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2034-05-31
AI Technical Summary
The sling structures in the prior art are poor in versatility and are expensive in production, so they cannot be adapted to cars of different heights.
A hanging lug structure is designed, including a sleeve and a roller press, and the two ends of the roller press are connected to the sleeve and the battery housing respectively. The roller press is laminated by at least two roller press tubes, which can be adjusted according to the height of the automobile of different models.
It improves the versatility of the hanging lug structure and can adapt to more models. At the same time, due to the simple structure, the production cost is reduced.
Smart Images
Figure CN222637539U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of battery structures, and in particular to a hanging ear structure and a battery pack. Background Art
[0002] The battery pack of electric vehicles mainly includes the box mechanical structure, battery module, and battery management system. The box mechanical structure includes the upper box, lower box, and supporting structure. For the roll-pressed steel lower box, there are lug assemblies welded around it. The function of the lug assembly is to bear the clamping force of the bolts and connect the battery pack and the vehicle.
[0003] The hanging ear structure in the prior art has the technical problems of poor versatility and high production cost. Utility Model Content
[0004] The utility model provides a lifting ear structure and a battery pack, which can reduce production costs, and can be adapted to more different vehicle models, thereby improving versatility.
[0005] The embodiments of the present invention can be implemented as follows:
[0006] The embodiment of the utility model provides a hanging ear structure, which comprises:
[0007] Sleeve;
[0008] A rolled piece, one end of which is connected to the sleeve, and the other end of which is used to be connected to the battery housing;
[0009] Wherein, the rolling part comprises at least two rolling tubes, and at least two rolling tubes are stacked.
[0010] Optionally, at least two of the rolled tubes are stacked in sequence along the vertical direction, and at least two of the rolled tubes are fixedly connected.
[0011] Optionally, the rolled tube is provided with a through hole, and the sleeve is arranged in the through hole.
[0012] Optionally, the rolled tube includes a first rolled tube and a second rolled tube, the first rolled tube is arranged above the second rolled tube, and the length of the first rolled tube is not greater than the length of the second rolled tube.
[0013] Optionally, the ear structure further includes a reinforcing plate, and the reinforcing plate is simultaneously connected to at least two of the rolled tubes.
[0014] Optionally, there are two reinforcing plates, and the two reinforcing plates are respectively arranged on opposite sides of the rolling member.
[0015] Optionally, the rolled tube is a square tube structure.
[0016] An embodiment of the utility model further provides a battery pack, comprising a battery housing and a lifting ear structure, wherein the lifting ear structure is connected to the battery housing.
[0017] Optionally, the battery housing comprises an upper housing and a lower housing, the upper housing and the lower housing are detachably connected, and the ear structure is connected to the lower housing.
[0018] Optionally, there are multiple ear structures, and the multiple ear structures are sequentially spaced apart at edge positions of the lower shell along the circumferential direction.
[0019] The beneficial effects of the hanging ear structure and the battery pack of the embodiment of the utility model include, for example:
[0020] The ear structure includes a sleeve and a rolling piece, one end of the rolling piece is connected to the sleeve, and the other end of the rolling piece is used to connect to the battery housing; wherein the rolling piece includes at least two rolling tubes, and at least two rolling tubes are stacked. When the ear structure is in use, the two ends of the rolling piece are respectively connected to the sleeve and the battery housing, and the rolling piece includes at least two rolling tubes, and at least two rolling tubes are stacked, so that the height of the rolling piece can be adjusted according to the height of different models of cars, so that the ear structure can be adapted to more car models, improving the versatility of use, and at the same time, the ear structure is simple in structure and the production cost is reduced.
[0021] The battery pack includes a battery housing and a lifting ear structure, and the lifting ear structure is connected to the battery housing. When the lifting ear structure is in use, the two ends of the rolling piece are respectively connected to the sleeve and the battery housing, and the rolling piece includes at least two rolling tubes, and the at least two rolling tubes are stacked so that the height of the rolling piece can be adjusted according to the height of different models of cars, so that the lifting ear structure can be adapted to more car models, improving the versatility of use, and at the same time, the structure of the lifting ear structure is simple, and the production cost is reduced. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.
[0023] Figure 1 A schematic diagram of the structure of the battery pack provided in this embodiment;
[0024] Figure 2 A schematic structural diagram of the ear structure provided in this embodiment from a first perspective;
[0025] Figure 3 A schematic structural diagram of the ear structure provided in this embodiment from a second viewing angle.
[0026] Icons: 10-sleeve; 20-rolled part; 21-rolled tube; 211-first rolled tube; 212-second rolled tube; 30-reinforcement plate; 40-through hole; 100-hanging ear structure; 200-battery housing; 210-upper housing; 220-lower housing; 1000-battery pack. DETAILED DESCRIPTION
[0027] In order to make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Generally, the components of the embodiments of the utility model described and shown in the drawings here can be arranged and designed in various different configurations.
[0028] Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the present invention to be protected, but merely represents selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.
[0029] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.
[0030] In the description of the present utility model, it should be noted that if the terms "upper", "lower", "inside", "outside", etc. appear, the orientation or position relationship indicated is based on the orientation or position relationship shown in the accompanying drawings, or is the orientation or position relationship in which the utility model product is usually placed when used. It is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it cannot be understood as a limitation on the present utility model.
[0031] In addition, the terms “first”, “second”, etc., if used, are merely used to distinguish between the descriptions and should not be understood as indicating or implying relative importance.
[0032] It should be noted that, in the absence of conflict, the features in the embodiments of the present invention may be combined with each other.
[0033] The battery pack of electric vehicles mainly includes the box mechanical structure, battery module, and battery management system. The box mechanical structure includes the upper box, lower box, and supporting structure. For the roll-pressed steel lower box, there are lug assemblies welded around it. The function of the lug assembly is to bear the clamping force of the bolts and connect the battery pack and the vehicle.
[0034] The hanging ear structure in the related art has technical problems of poor versatility and high production cost.
[0035] Please refer to Figure 1 This embodiment provides a battery pack 1000, which is used to be installed inside a vehicle body to provide power to the vehicle body, thereby driving the vehicle. The battery pack 1000 includes a battery housing 200 and a lifting ear structure 100, and the lifting ear structure 100 is connected to the battery housing 200. The battery pack 1000 can effectively improve the above-mentioned technical problems, reduce production costs, and can be adapted to more different vehicle models, thereby improving versatility.
[0036] Specifically, the battery pack 1000 can be applied to a two-wheeled vehicle, a three-wheeled vehicle, or a four-wheeled vehicle, without any specific limitation herein.
[0037] In this embodiment, the battery housing 200 includes an upper housing 210 and a lower housing 220, the upper housing 210 and the lower housing 220 are detachably connected, and the ear structure 100 is connected to the lower housing 220. There is an installation space in the upper housing 210 and the lower housing 220, and the battery module and the control module are installed in the installation space.
[0038] Specifically, there are multiple hanging ear structures 100 , and the multiple hanging ear structures 100 are sequentially arranged at intervals along the circumferential direction at the edge of the lower shell 220 .
[0039] In this embodiment, there are four hanging ear structures 100. In other embodiments, the number of hanging ear structures 100 may be increased or decreased, which is not specifically limited here.
[0040] Please refer to Figure 1-Figure 3 This embodiment provides a hanging ear structure 100 including a sleeve 10 and a rolled piece 20, one end of the rolled piece 20 is connected to the sleeve 10, and the other end of the rolled piece 20 is used to connect to the battery housing 200; wherein the rolled piece 20 includes at least two rolled tubes 21, and at least two rolled tubes 21 are stacked.
[0041] Specifically, the ear structure in the prior art currently includes two structural forms. One is a single rolled steel pipe ear assembly. According to the number of sleeves to be welded on the steel pipe, the steel pipe is cut into a certain length, and then a hole for installing the welding sleeve is cut on the steel pipe. The sleeve is installed in the hole of the steel pipe, and the steel pipe and the sleeve are connected by welding to form a single steel pipe ear assembly; the other is a sheet metal stamping ear assembly. The support and lining parts are processed by stamping or bending, and then the holes for installing the welding sleeve are processed on the support and lining parts. Finally, the support, lining and sleeve are welded together to form a sheet metal stamping ear assembly. The ear structures in the prior art are relatively complex, with high production costs, and cannot be adapted to cars of different heights, and have poor versatility. In order to solve this technical problem, when the ear structure 100 provided in this embodiment is in use, the two ends of the rolled member 20 are respectively connected to the sleeve 10 and the battery shell 200, and the rolled member 20 includes at least two rolled tubes 21, and the at least two rolled tubes 21 are stacked so that the height of the rolled member 20 can be adjusted according to the height of different models of cars, so that the ear structure 100 can be adapted to more car models, thereby improving the versatility of use. At the same time, the structure of the ear structure 100 is simple, which reduces the production cost.
[0042] In this embodiment, at least two rolled tubes 21 are stacked in sequence along the vertical direction, and at least two rolled tubes 21 are fixedly connected. Specifically, at least two rolled tubes 21 are welded.
[0043] It should be noted that when the lifting lug structure 100 needs to be installed on a vehicle body with a higher height, multiple rolled tubes 21 are welded so that the overall height of the rolled part 20 is consistent with the height of the vehicle body, so that the lifting lug structure 100 can be adapted and installed on the vehicle body. The height of the rolled part 20 can be adjusted by increasing or decreasing the number of rolled tubes 21, so that the lifting lug structure 100 can be adapted to more vehicles of different heights, thereby improving versatility.
[0044] In this embodiment, the rolled tube 21 is provided with a through hole 40, and the sleeve 10 is arranged in the through hole 40. The through hole 40 is arranged in the middle of the rolled tube 21 and passes through the top and bottom surfaces of the rolled tube 21. The sleeve 10 can be welded in the through hole 40 to achieve assembly.
[0045] It should also be noted that the roller-pressed tube 21 includes a first roller-pressed tube 211 and a second roller-pressed tube 212 . The first roller-pressed tube 211 is disposed above the second roller-pressed tube 212 , and the length of the first roller-pressed tube 211 is not greater than the length of the second roller-pressed tube 212 .
[0046] In this embodiment, the rolled tube 21 is a square tube structure. In other embodiments, the rolled tube 21 can also be in other shapes, which are not specifically limited here.
[0047] In order to improve the strength of the ear structure 100, the ear structure 100 provided in this embodiment further includes a reinforcing plate 30, and the reinforcing plate 30 is simultaneously connected to at least two rolled tubes 21. The reinforcing plate 30 is simultaneously welded to the first rolled tube 211 and the second rolled tube 212, thereby reinforcing the strength of the entire rolled part 20.
[0048] In this embodiment, there are two reinforcing plates 30, which are respectively disposed on opposite sides of the rolling member 20. The reinforcing plates 30 are welded to both sides of the rolling member 20, thereby improving the structural strength of the rolling member 20.
[0049] The ear structure 100 and the battery pack 1000 provided in this embodiment have at least the following advantages:
[0050] The existing ear structure currently includes two structural forms. One is a single rolled steel pipe ear assembly. According to the number of sleeves to be welded on the steel pipe, the steel pipe is cut into a certain length, and then a hole for installing the welding sleeve is cut on the steel pipe. The sleeve is installed in the hole of the steel pipe, and the steel pipe and the sleeve are connected by welding to form a single steel pipe ear assembly; the other is a sheet metal stamping ear assembly. The support and lining parts are processed by stamping or bending, and then the holes for installing the welding sleeve are processed on the support and lining parts. Finally, the support, lining and sleeve are welded together to form a sheet metal stamping ear assembly. The ear structures in the existing technology are relatively complex, with high production costs, and cannot be adapted to cars of different heights, and have poor versatility. In order to solve this technical problem, when the ear structure 100 provided in this embodiment is in use, the two ends of the rolled member 20 are respectively connected to the sleeve 10 and the battery shell 200, and the rolled member 20 includes at least two rolled tubes 21, and the at least two rolled tubes 21 are stacked so that the height of the rolled member 20 can be adjusted according to the height of different models of cars, so that the ear structure 100 can be adapted to more car models, thereby improving the versatility of use. At the same time, the structure of the ear structure 100 is simple, which reduces the production cost.
[0051] In summary, the embodiment of the utility model provides a lifting ear structure 100 and a battery pack 1000, wherein the lifting ear structure 100 includes a sleeve 10 and a rolling piece 20, wherein one end of the rolling piece 20 is connected to the sleeve 10, and the other end of the rolling piece 20 is used to connect to the battery housing 200; wherein the rolling piece 20 includes at least two rolling tubes 21, and at least two rolling tubes 21 are stacked. When the lifting ear structure 100 is in use, the two ends of the rolling piece 20 are respectively connected to the sleeve 10 and the battery housing 200, and the rolling piece 20 includes at least two rolling tubes 21, and at least two rolling tubes 21 are stacked, so that the height of the rolling piece 20 can be adjusted according to the height of different models of cars, so that the lifting ear structure 100 can be adapted to more car models, improving the versatility of use, and at the same time, the structure of the lifting ear structure 100 is simple, and the production cost is reduced.
[0052] The battery pack 1000 includes a battery housing 200 and a lifting ear structure 100, and the lifting ear structure 100 is connected to the battery housing 200. When the lifting ear structure 100 is in use, the two ends of the rolling member 20 are respectively connected to the sleeve 10 and the battery housing 200, and the rolling member 20 includes at least two rolling tubes 21, and the at least two rolling tubes 21 are stacked, so that the height of the rolling member 20 can be adjusted according to the height of different models of cars, so that the lifting ear structure 100 can be adapted to more car models, improving the versatility of use, and at the same time, the structure of the lifting ear structure 100 is simple, and the production cost is reduced.
[0053] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed by the utility model should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.
Claims
1. A hanging ear structure, characterized in that: include: Sleeve (10); A rolling piece (20), one end of the rolling piece (20) being connected to the sleeve (10), and the other end of the rolling piece (20) being used to be connected to the battery housing (200); Wherein, the rolling member (20) comprises at least two rolling tubes (21), and at least two rolling tubes (21) are stacked.
2. The hanging ear structure according to claim 1, characterized in that: At least two of the rolled tubes (21) are stacked in sequence along the vertical direction, and at least two of the rolled tubes (21) are fixedly connected.
3. The hanging ear structure according to claim 1, characterized in that: The rolled tube (21) is provided with a through hole (40), and the sleeve (10) is arranged in the through hole (40).
4. The hanging ear structure according to claim 1, characterized in that: The rolled tube (21) comprises a first rolled tube (211) and a second rolled tube (212); the first rolled tube (211) is arranged above the second rolled tube (212), and the length of the first rolled tube (211) is not greater than the length of the second rolled tube (212).
5. The hanging ear structure according to claim 1, characterized in that: The lifting ear structure (100) further comprises a reinforcing plate (30), wherein the reinforcing plate (30) is simultaneously connected to at least two of the rolled tubes (21).
6. The hanging ear structure according to claim 5, characterized in that: The number of the reinforcing plates (30) is two, and the two reinforcing plates (30) are respectively arranged on two opposite sides of the rolling member (20).
7. The hanging ear structure according to any one of claims 1 to 6, characterized in that: The rolled tube (21) is a square tube structure.
8. A battery pack, characterized in that: It comprises a battery housing (200) and the lifting ear structure (100) according to any one of claims 1 to 7, wherein the lifting ear structure (100) and the battery housing (200) are connected.
9. The battery pack according to claim 8, characterized in that: The battery housing (200) comprises an upper housing (210) and a lower housing (220), wherein the upper housing (210) and the lower housing (220) are detachably connected, and the ear structure (100) and the lower housing (220) are connected.
10. The battery pack according to claim 9, characterized in that: There are a plurality of the ear structures (100), and the plurality of ear structures (100) are sequentially arranged at intervals along the circumferential direction at the edge of the lower shell (220).