Lightweight battery tray for electric vehicle

Abstract

The utility model relates to the technical field of battery trays, in particular to a light-weight battery tray of an electric automobile, which comprises a tray body, fixed mounting clamping grooves are arranged at the front end and the rear end of the tray body, movable insertion blocks are movably connected in the fixed mounting clamping grooves, one end of each movable insertion block is fixedly connected with an Ultramid heat dissipation block, and the other end of each movable insertion block is fixedly connected with a battery. A threaded hole is formed in the end of the Ultramid heat dissipation block, a fastening bolt is connected to the inner side of the threaded hole through threads, a connecting fastening arm is connected to the end of the threaded hole through the fastening bolt, a plurality of Ultramid heat dissipation fins are arranged on the inner side of the Ultramid heat dissipation block, and the Ultramid heat dissipation fins are inserted into the inner side of a fixed installation clamping groove through arranged movable insertion blocks. And the connecting fastening arms and the Ultramid heat dissipation block are connected and fixed through the fastening bolts, the Ultramid heat dissipation block can reduce the overall weight, meanwhile, the whole body can be stably connected and used, and operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of battery trays, in particular to a lightweight battery tray for electric vehicles. Background Art

[0002] The battery pack is an energy storage element equipped with battery modules in electric vehicles and is the core component of electric vehicles. The battery tray is the main frame structure of the battery pack and bears the weight of the battery modules. Its structure and heat dissipation performance have an important impact on the performance and service life of the battery pack, and are directly related to the performance and safety of electric vehicles.

[0003] Existing automotive battery trays are usually made of aluminum alloy, which makes them heavier overall, thereby increasing the weight of the overall battery pack and reducing the battery life of the electric vehicle. To this end, we propose a lightweight battery tray for electric vehicles. Utility Model Content

[0004] In view of the above problems, the utility model provides a lightweight battery tray for an electric vehicle, which can solve the problems existing in the above background technology.

[0005] The technical solution of the utility model is:

[0006] A lightweight battery tray for an electric vehicle comprises a tray body, wherein both front and rear end portions of the tray body are provided with fixed installation slots, a movable plug block is movably connected inside the fixed installation slot, an Ultramid heat sink is fixedly connected to one end of the movable plug block, a threaded hole is provided at the end of the Ultramid heat sink, a fastening bolt is threadedly connected to the inner side of the threaded hole, a connecting fastening arm is connected to the end of the threaded hole via the fastening bolt, and a plurality of Ultramid heat sinks are provided on the inner side of the Ultramid heat sink.

[0007] In a further technical solution, an Ultramid battery limiting sleeve is movably connected to the inner side of the tray body, a battery core is inserted into the inner side of the Ultramid battery limiting sleeve, a fixed slot is provided in the middle of both ends of the top of the tray body, a fixed connecting arm is fixedly connected to the middle of both ends of the Ultramid battery limiting sleeve, and the bottom end of the fixed connecting arm is fixedly connected to the top of the connecting fastening arm.

[0008] In a further technical solution, the outer surface of the fixed connecting arm fits with the inner surface of the fixed slot.

[0009] In a further technical solution, a fixing slot is provided on the top of the tray body, the fixing slot is located at the inner bottom end of the fixing slot, and a connecting block is fixedly connected to the inner side of the fixed connecting arm.

[0010] In a further technical solution, the cross-sectional shape of the connecting plug is a cross, and the outer side of the surface of the connecting plug fits with the inner side of the fixing slot.

[0011] In a further technical solution, the outer side of the surface of the movable plug-in block fits with the inner side of the fixed installation slot.

[0012] In a further technical solution, the two side surfaces of the Ultramid battery limiting sleeve are mutually fitted with the inner side of the tray body, and the front and rear surfaces of the Ultramid battery limiting sleeve are mutually fitted with the surface of the Ultramid heat dissipation block.

[0013] The beneficial effects of the utility model are:

[0014] 1. Insert the movable plug into the inner side of the fixed installation slot, and connect and fix the connection fastening arm and the Ultramid heat sink block with fastening bolts. The Ultramid heat sink block can reduce the overall weight, and also make the whole body stable for use and easy to operate.

[0015] 2. The battery cell can be limited by the provided Ultramid battery limit sleeve, and the fixed connecting arm can be inserted into the inner side of the fixed slot and fixedly connected with the connecting fastening arm, so that the connection with the whole can be stable. The Ultramid battery limit sleeve can also reduce the overall weight, has a simple structure and is easy to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall structure of a lightweight battery tray for an electric vehicle according to an embodiment of the utility model;

[0017] Figure 2 This is a schematic diagram of the overall exploded structure of a lightweight battery tray for an electric vehicle according to an embodiment of the utility model;

[0018] Figure 3 The utility model is a schematic diagram of the structure of a connector block of a lightweight battery tray for an electric vehicle when viewed from above.

[0019] Description of reference numerals:

[0020] 1. Tray body; 2. Battery cell; 3. Ultramid battery limiter; 4. Fixed mounting slot; 5. Movable plug-in block; 6. Ultramid heat sink; 7. Threaded hole; 8. Connecting and fastening arm; 9. Fastening bolt; 10. Fixed slot; 11. Fixed connecting arm; 12. Fixed slot; 13. Connecting plug-in block; 14. Ultramid heat sink. DETAILED DESCRIPTION

[0021] The embodiments of the present utility model will be further described below in conjunction with the accompanying drawings.

[0022] Example:

[0023] like Figure 1-Figure 3 As shown, a lightweight battery tray for an electric vehicle includes a tray body 1, wherein both front and rear end portions of the tray body 1 are provided with fixed mounting slots 4, wherein a movable plug block 5 is movably connected inside the fixed mounting slot 4, wherein one end of the movable plug block 5 is fixedly connected to an Ultramid heat sink 6, wherein a threaded hole 7 is provided at the end of the Ultramid heat sink 6, wherein a fastening bolt 9 is threadedly connected to the inner side of the threaded hole 7, wherein the end of the threaded hole 7 is connected to a fastening arm 8 via the fastening bolt 9, and wherein a plurality of Ultramid heat sinks 14 are provided on the inner side of the Ultramid heat sink 6.

[0024] The working principle of the above technical solution is as follows:

[0025] During use, the movable plug block 5 is inserted into the inner side of the fixed installation slot 4, and then the connecting fastening arm 8 and the tray body 1 are fitted with each other, and the fastening bolt 9 is rotated and inserted into the inner side of the connecting fastening arm 8 and the threaded hole 7, so as to connect and fix the tray body 1 and the Ultramid heat sink 6. The Ultramid heat sink 6 can ensure the overall strength of use while reducing the overall weight, and has a simple structure and is easy to use.

[0026] In another embodiment, if Figure 2 As shown, an Ultramid battery limiting sleeve 3 is movably connected to the inner side of the tray body 1, and a battery core 2 is inserted into the inner side of the Ultramid battery limiting sleeve 3. Fixed slots 10 are provided in the middle of both ends of the top of the tray body 1, and fixed connecting arms 11 are fixedly connected to the middle of both ends of the Ultramid battery limiting sleeve 3. The bottom end of the fixed connecting arm 11 is fixedly connected to the top of the connecting fastening arm 8.

[0027] The fastening arm 8 can drive the fixed connecting arm 11 and the Ultramid battery limiting sleeve 3 to move during installation, so that the Ultramid battery limiting sleeve 3 can be stably located on the inner side of the tray body 1, restricting and fixing the position of the battery core 2, which is easy to operate.

[0028] In another embodiment, if Figure 2 As shown, the outer surface of the fixed connecting arm 11 is in contact with the inner surface of the fixed slot 10 .

[0029] When the Ultramid battery limiting sleeve 3 is located inside the tray body 1 , the fixed connecting arm 11 can be inserted into the inner side of the fixed slot 10 , thereby performing connection limiting.

[0030] In another embodiment, if Figure 2 and Figure 3 As shown, a fixing slot 12 is provided on the top of the tray body 1 , and the fixing slot 12 is located at the inner bottom end of the fixing slot 10 , and a connecting block 13 is fixedly connected to the inner side of the fixing connecting arm 11 .

[0031] When the Ultramid battery limiting sleeve 3 is located inside the tray body 1 and the fixed connecting arm 11 is located inside the fixed card slot 10 , the connecting plug 13 can be inserted into the inside of the fixed slot 12 , thereby further limiting the position.

[0032] In another embodiment, if Figure 2 and Figure 3 As shown, the cross-sectional shape of the connecting plug block 13 is a cross, and the outer surface of the connecting plug block 13 fits with the inner surface of the fixing slot 12 .

[0033] This facilitates the connection plug block 13 to be stably inserted into the inner side of the fixing slot 12 , thereby performing connection limiting.

[0034] In another embodiment, if Figure 2 As shown, the outer surface of the movable plug block 5 is in contact with the inner surface of the fixed installation slot 4 .

[0035] This facilitates the movable plug block 5 to be stably inserted into the inner side of the fixed installation slot 4, thereby achieving a stable connection.

[0036] In another embodiment, if Figure 2 As shown, the two side surfaces of the Ultramid battery limiting sleeve 3 are in contact with the inner side of the tray body 1 , and the front and rear surfaces of the Ultramid battery limiting sleeve 3 are in contact with the surface of the Ultramid heat sink 6 .

[0037] This facilitates the Ultramid battery limiting sleeve 3 to be stably located inside the tray body 1 for use, thereby limiting the battery core 2 and preventing it from shaking.

[0038] The working principle of the utility model is as follows: during use, the movable plug block 5 is first inserted into the inner side of the fixed installation slot 4, so that the Ultramid heat dissipation block 6 and the tray body 1 are fitted together, and then the Ultramid battery limiting sleeve 3 drives the fixed connecting arm 11, the connecting plug block 13 and the connecting fastening arm 8 to move, so that the Ultramid battery limiting sleeve 3 is located on the inner side of the tray body 1, the fixed connecting arm 11 is inserted into the inner side of the fixed slot 10, and the connecting plug block 13 is inserted into the inner side of the fixed slot 12, and at the same time, the connecting fastening arm 8 and the tray body 1 are fitted together, and then the fastening bolt 9 is rotated and inserted into the inside of the connecting fastening arm 8 and the inner side of the threaded hole 7 to connect and install the whole, and finally the battery core 2 is inserted into the inner side of the Ultramid battery limiting sleeve 3, and the Ultramid heat dissipation block 6 and the Ultramid battery limiting sleeve 3 can ensure the overall use strength while ensuring the reduction of weight, and the overall structure is simple and easy to use.

[0039] The above embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A lightweight battery tray for an electric vehicle, comprising a tray body (1), characterized in that: The front and rear ends of the tray body (1) are both provided with fixed installation slots (4), the interior of the fixed installation slot (4) is movably connected with a movable plug-in block (5), one end of the movable plug-in block (5) is fixedly connected with an Ultramid heat sink (6), a threaded hole (7) is provided at the end of the Ultramid heat sink (6), the inner side of the threaded hole (7) is connected with a fastening bolt (9) through a thread, the end of the threaded hole (7) is connected with a connecting fastening arm (8) through a fastening bolt (9), and a plurality of Ultramid heat sink fins (14) are provided on the inner side of the Ultramid heat sink (6).

2. The lightweight battery tray for electric vehicles according to claim 1, characterized in that: An Ultramid battery limiting sleeve (3) is movably connected to the inner side of the tray body (1), a battery core (2) is inserted into the inner side of the Ultramid battery limiting sleeve (3), a fixing slot (10) is provided in the middle of both ends of the top of the tray body (1), a fixing connecting arm (11) is fixedly connected to the middle of both ends of the Ultramid battery limiting sleeve (3), and the bottom end of the fixing connecting arm (11) is fixedly connected to the top of the connecting and fastening arm (8).

3. The lightweight battery tray for electric vehicles according to claim 2, characterized in that: The outer side of the surface of the fixed connecting arm (11) and the inner side of the fixed slot (10) are in contact with each other.

4. The lightweight battery tray for electric vehicles according to claim 2, characterized in that: A fixed slot (12) is provided on the top of the tray body (1), the fixed slot (12) is located at the inner bottom end of the fixed card slot (10), and a connecting plug block (13) is fixedly connected to the inner side of the fixed connecting arm (11).

5. The lightweight battery tray for electric vehicles according to claim 4, characterized in that: The cross-sectional shape of the connecting plug block (13) is a cross, and the outer side of the surface of the connecting plug block (13) fits with the inner side of the fixing slot (12).

6. The lightweight battery tray for electric vehicles according to claim 1, characterized in that: The outer side of the surface of the movable plug block (5) is in contact with the inner side of the fixed installation slot (4).

7. The lightweight battery tray for electric vehicles according to claim 2, characterized in that: The two side surfaces of the Ultramid battery limiting sleeve (3) are mutually fitted with the inner side of the tray body (1), and the front and rear surfaces of the Ultramid battery limiting sleeve (3) are mutually fitted with the surface of the Ultramid heat dissipation block (6).

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