A multi-cavity high-airtightness aluminum alloy profile for new energy vehicle battery pack

Abstract

The utility model discloses a multi-cavity high-air-tightness aluminum alloy profile for a new energy vehicle battery pack, comprising a battery module, an aluminum alloy lower frame, an aluminum alloy upper frame, a connecting component for fixing the aluminum alloy upper frame and the aluminum alloy lower frame, and a sealing component for improving the air-tightness, wherein the connecting component comprises a fixing plate fixedly connected to two sides of the aluminum alloy upper frame respectively, a slide groove opened on the top of the fixing plate, a slider connected to the slide groove, and a connecting plate connected to the top of the slider. The utility model solves the problem that the existing new energy vehicle battery pack usually needs to use aluminum alloy profiles to make upper and lower outer frames by arranging the battery module, the aluminum alloy lower frame, the aluminum alloy upper frame and the connecting component. Although the battery pack can be wrapped, bolts are usually used for connection and fixing when fixing the upper and lower outer frames. After long-term use, it is easy to rust and difficult to disassemble, which affects the practicality.

Description

Technical Field

[0001] The utility model relates to the technical field of aluminum alloys, in particular to a multi-cavity high-airtightness aluminum alloy profile for a new energy vehicle battery pack. Background Art

[0002] New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source (or use conventional automotive fuels and adopt new on-board power devices), and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies, and new structures. In electric vehicles, the battery pack is its core component.

[0003] The existing patent CN204289655U discloses a battery pack, which includes: a battery pack box, a battery pack bottom plate arranged opposite to the battery pack box, and a plurality of battery modules arranged inside the battery pack box. Organic silica gel is used to fill the inside of the battery pack and the inside of the battery module to make the inside of the battery pack evenly heated, and a heat conducting part is arranged outside the battery module to discharge the heat inside the battery pack in time, thereby improving the temperature field consistency of the battery pack.

[0004] At present, the battery packs of new energy vehicles usually need to use aluminum alloy profiles to make the upper and lower outer frames. Although the battery packs can be wrapped, bolts are usually used to connect and fix the upper and lower outer frames. After long-term use, they are prone to rust and difficult to disassemble, affecting practicality. Utility Model Content

[0005] The purpose of the utility model is to address the deficiencies in the prior art and to provide a multi-cavity high-airtightness aluminum alloy profile for a new energy vehicle battery pack, so as to solve the problem mentioned in the above background technology that the existing new energy vehicle battery pack usually needs to use aluminum alloy profiles to make upper and lower outer frames. Although the battery pack can be wrapped, bolts are usually used to connect and fix the upper and lower outer frames. After long-term use, it is easy to rust and difficult to disassemble, which affects the practicality.

[0006] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a multi-cavity high-airtightness aluminum alloy profile for a new energy vehicle battery pack, comprising a battery module, an aluminum alloy lower frame, an aluminum alloy upper frame, a connecting component for fixing the aluminum alloy upper frame and the aluminum alloy lower frame, and a sealing component for improving airtightness, the connecting component comprising a fixing plate fixedly connected to both sides of the aluminum alloy upper frame respectively, a slide groove opened at the top of the fixing plate, a slider connected to the slide groove, a connecting plate connected to the top of the slider, a pressure rod connected to the connecting plate, a pressure plate connected to the top of the pressure rod, a locking plate fixedly connected to both sides of the aluminum alloy lower frame respectively, a positioning hole opened at the bottom of the locking plate, a horizontal plate connected to the bottom of the pressure rod, a positioning rod connected to one side of the top of the horizontal plate, and a first spring sleeved on the outside of the pressure rod, the slider is slidably connected to the slide groove, the pressure rod passes through the connecting plate and is slidably connected to the connecting plate, and the positioning rod is plugged into the positioning hole.

[0007] Preferably, the sealing component includes positioning grooves respectively opened around the top of the aluminum alloy lower frame, positioning blocks respectively fixedly connected to the bottom of the aluminum alloy upper frame, and a first sealing gasket respectively fixedly connected to the positioning blocks, and the positioning blocks are plugged into the positioning grooves.

[0008] Preferably, a guide rod is fixedly connected in the slide groove, a sliding opening is opened on the slider, a second spring is fixedly connected to one side of the slider, and the guide rod is slidably connected to the sliding opening.

[0009] Preferably, two sealing grooves are respectively provided around the top of the aluminum alloy lower frame, and two second sealing gaskets are respectively fixedly connected around the bottom of the aluminum alloy upper frame, and the second sealing gaskets are plugged into the sealing grooves.

[0010] Preferably, a plurality of spherical grooves arranged in a circumference are provided in the sliding opening, rolling balls are provided in the spherical grooves, and the rolling balls are in contact with the guide rods.

[0011] Preferably, a plurality of evenly arranged heat conducting plates are fixedly connected to the bottom of the aluminum alloy upper frame, and heat absorbing plates are fixedly connected to both sides of the heat conducting plates.

[0012] Preferably, the sliding block is T-shaped, and the sliding groove is T-shaped.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. By setting the battery module, the aluminum alloy lower frame, the aluminum alloy upper frame and the connecting parts, the positioning rod can be indirectly moved laterally by pulling the pressure plate, and then the pressure plate can be pressed to make the pressure plate drive the positioning rod to move downward, so that the first spring is deformed, and the aluminum alloy upper frame can be covered on the aluminum alloy lower frame, and the pressure plate is pushed laterally to reset the horizontal position of the positioning rod. The first spring is reset, and the vertical position of the positioning rod can be reset, so that the positioning rod is inserted into the positioning hole, and the aluminum alloy upper frame can be quickly fixed, thereby greatly improving practicality and efficiency.

[0015] 2. By providing a sealing component, when the aluminum alloy upper frame contacts the aluminum alloy lower frame, the positioning block can be inserted into the positioning groove, which can prevent the aluminum alloy upper frame from moving and improve the connection stability. The first sealing gasket can contact the inner wall of the positioning groove, thereby playing a sealing role, improving air tightness, and further improving practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a left view of the utility model;

[0018] Figure 3 For the utility model Figure 2 The three-dimensional cross-section view at AA in the middle;

[0019] Figure 4 For the utility model Figure 3 Enlarged view of point B in the middle.

[0020] In the figure: 1. battery module; 11. aluminum alloy lower frame; 12. aluminum alloy upper frame; 21. fixing plate; 22. slide groove; 23. slider; 24. connecting plate; 25. pressure rod; 26. pressure plate; 27. locking plate; 28. positioning hole; 29. ​​cross plate; 30. positioning rod; 31. first spring; 41. positioning groove; 42. positioning block; 43. first sealing gasket; 51. guide rod; 52. sliding mouth; 53. second spring; 61. sealing groove; 62. second sealing gasket; 71. ball groove; 72. rolling ball; 81. heat conducting plate; 82. heat absorbing plate. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4The utility model provides a technical solution: a multi-cavity high-airtightness aluminum alloy profile for a new energy vehicle battery pack, comprising a battery module 1, an aluminum alloy lower frame 11, an aluminum alloy upper frame 12, a connecting component for fixing the aluminum alloy upper frame 12 and the aluminum alloy lower frame 11, and a sealing component for improving airtightness, the connecting component comprising a fixing plate 21 fixedly connected to both sides of the aluminum alloy upper frame 12, a slide groove 22 opened at the top of the fixing plate 21, a slider 23 connected to the slide groove 22, a connecting plate 24 connected to the top of the slider 23, a pressure rod 25 connected to the connecting plate 24, a pressure plate 26 connected to the top of the pressure rod 25, a locking plate 27 fixedly connected to both sides of the aluminum alloy lower frame 11, and a positioning plate 26 opened at the bottom of the locking plate 27. The first spring 31 is provided on the outer side of the pressure rod 25, the slider 23 is slidably connected with the slide groove 22, the pressure rod 25 passes through the connecting plate 24 and is slidably connected with the connecting plate 24, the positioning rod 30 is plugged into the positioning hole 28, and the two ends of the first spring 31 are respectively fixedly connected with the pressure plate 26 and the connecting plate 24, and the battery module 1 can be fixed to the aluminum alloy lower frame 11. By pressing the pressure plate 26, the pressure plate 26 can be moved downward, and the downward movement of the pressure plate 26 can drive the positioning rod 30 to move downward, and at the same time, the first spring 31 is deformed. By moving the pressure plate 26 laterally, the positioning rod 30 can be moved laterally, so that the aluminum alloy upper frame 12 can be conveniently attached. The first spring 31 can be used to reset the positioning rod 30 to the aluminum alloy lower frame 11, and then the positioning rod 30 can be reset horizontally. Under the action of the first spring 31, the positioning rod 30 can be reset longitudinally, which is convenient for quickly connecting and fixing the aluminum alloy upper frame 12 and the aluminum alloy lower frame 11, and can protect the battery module 1. The shape of the slider 23 is T-shaped, and the shape of the slide groove 22 is T-shaped, which can prevent the slider 23 from disengaging from the slide groove 22 when sliding, and can vertically limit the slider 23 to ensure that the slider 23 can only slide horizontally. A guide rod 51 is fixedly connected in the slide groove 22, and a sliding opening 52 is opened on the slider 23. A second spring 53 is fixedly connected to one side of the slider 23, and the guide rod 51 is slidably connected to the sliding opening 52. The elasticity of the second spring 53 can help the slider 2 3 reset, thereby facilitating the horizontal position reset of the positioning rod 30, the guide rod 51 can prevent the second spring 53 from being skewed and damaged when deformed, a plurality of spherical grooves 71 arranged in a circumference are provided in the sliding opening 52, and rolling balls 72 are provided in the spherical grooves 71, and the rolling balls 72 are in contact with the guide rod 51, and the sliding block 23 can drive the rolling balls 72 to roll when sliding, thereby reducing the friction between the sliding block 23 and the guide rod 51, thereby improving its service life, a plurality of evenly arranged heat conducting plates 81 are fixedly connected to the bottom of the aluminum alloy upper frame 12, and heat absorbing plates 82 are fixedly connected to both sides of the heat conducting plate 81, respectively, and the heat absorbing plate 82 can absorb the heat on the battery module 1 and transfer it to the outside through the heat conducting plate 81, so as to dissipate the heat of the battery module 1.

[0023] See also Figure 1 , Figure 2 , Figure 3 as well as Figure 4 The sealing component includes positioning grooves 41 respectively opened around the top of the aluminum alloy lower frame 11, positioning blocks 42 respectively fixedly connected to the bottom of the aluminum alloy upper frame 12, and first sealing gaskets 43 respectively fixedly connected to the positioning blocks 42. The positioning blocks 42 are plugged into the positioning grooves 41. The positioning blocks 42 can be inserted into the positioning grooves 41 to prevent the aluminum alloy upper frame 12 from shifting laterally. At the same time, the first sealing gasket 43 can contact the inner wall of the positioning groove 41 to perform sealing and improve air tightness. Two sealing grooves 61 are respectively opened around the top of the aluminum alloy lower frame 11, and two second sealing gaskets 62 are respectively fixedly connected to the bottom of the aluminum alloy upper frame 12. The second sealing gaskets 62 are plugged into the sealing grooves 61. The cross-sectional shape of the second sealing gasket 62 is a trapezoid. The second sealing gasket 62 can be inserted into the sealing grooves 61, thereby further improving the sealing effect and further improving the air tightness.

[0024] Working principle: When working, by pulling the pressure plate 26 laterally, the pressure plate 26 moves to drive the slider 23 to slide in the slide groove 22, and the slider 23 moves to squeeze the second spring 53 to deform it. At the same time, the pressure plate 26 can drive the pressure rod 25 and the positioning rod 30 to move laterally, and then press the pressure plate 26. The downward movement of the pressure plate 26 can drive the cross plate 29 and the positioning rod 30 to move downward. At the same time, the first spring 31 is deformed by force, and then the positioning block 42 at the bottom of the aluminum alloy upper frame 12 is aligned with the positioning groove 41 and inserted into the positioning groove 41. At this time, the first sealing gasket 43 contacts the inner wall of the positioning groove 41, and the second sealing gasket 62 is inserted into the sealing groove 61. , and then release the pressure plate 26. At this time, the second spring 53 is reset, and the positioning rod 30 can be pulled to reset horizontally. Then the pressure plate 26 is released, and the first spring 31 is reset, which can drive the positioning rod 30 to reset, so that the positioning rod 30 is inserted into the positioning hole 28, and the aluminum alloy upper frame 12 can be quickly fixed. The pressure plate 26 is pressed again to make the positioning rod 30 disengage from the positioning hole 28, and then the pressure plate 26 is moved horizontally. Then, the aluminum alloy upper frame 12 can be quickly disassembled for easy maintenance. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A multi-cavity high-airtightness aluminum alloy profile for a new energy vehicle battery pack, comprising a battery module (1), an aluminum alloy lower frame (11), an aluminum alloy upper frame (12), a connecting component for fixing the aluminum alloy upper frame (12) and the aluminum alloy lower frame (11), and a sealing component for improving airtightness, characterized in that: The connecting component comprises a fixing plate (21) fixedly connected to both sides of the aluminum alloy upper frame (12), a sliding groove (22) provided at the top of the fixing plate (21), a sliding block (23) connected to the sliding groove (22), a connecting plate (24) connected to the top of the sliding block (23), a pressure rod (25) connected to the connecting plate (24), a pressure plate (26) connected to the top of the pressure rod (25), a locking plate (27) fixedly connected to both sides of the aluminum alloy lower frame (11), a positioning hole (28) provided at the bottom of the locking plate (27), a transverse plate (29) connected to the bottom of the pressure rod (25), a positioning rod (30) connected to one side of the top of the transverse plate (29), and a first spring (31) sleeved on the outer side of the pressure rod (25), the sliding block (23) is slidably connected to the sliding groove (22), the pressure rod (25) passes through the connecting plate (24) and is slidably connected to the connecting plate (24), and the positioning rod (30) is plugged into the positioning hole (28).

2. The multi-cavity high-airtightness aluminum alloy profile for a new energy vehicle battery pack according to claim 1, characterized in that: The sealing component comprises positioning grooves (41) respectively formed on the four sides of the top of the aluminum alloy lower frame (11), positioning blocks (42) respectively fixedly connected to the four sides of the bottom of the aluminum alloy upper frame (12), and first sealing pads (43) respectively fixedly connected to the four sides of the positioning blocks (42), wherein the positioning blocks (42) are plugged into the positioning grooves (41).

3. The multi-cavity high-airtightness aluminum alloy profile for a new energy vehicle battery pack according to claim 1, characterized in that: A guide rod (51) is fixedly connected in the sliding groove (22), a sliding opening (52) is provided on the sliding block (23), a second spring (53) is fixedly connected to one side of the sliding block (23), and the guide rod (51) is slidably connected to the sliding opening (52).

4. The multi-cavity high-airtightness aluminum alloy profile for a new energy vehicle battery pack according to claim 1, characterized in that: Two sealing grooves (61) are respectively provided around the top of the aluminum alloy lower frame (11), and two second sealing pads (62) are respectively fixedly connected around the bottom of the aluminum alloy upper frame (12), and the second sealing pads (62) are plugged into the sealing grooves (61).

5. The multi-cavity high-airtightness aluminum alloy profile for a new energy vehicle battery pack according to claim 3 is characterized in that: A plurality of spherical grooves (71) arranged in a circumferential pattern are provided in the sliding opening (52), rolling balls (72) are provided in the spherical grooves (71), and the rolling balls (72) are in contact with the guide rods (51).

6. The multi-cavity high-airtightness aluminum alloy profile for a new energy vehicle battery pack according to claim 1, characterized in that: A plurality of evenly arranged heat conducting plates (81) are fixedly connected to the bottom of the aluminum alloy upper frame (12), and heat absorbing plates (82) are fixedly connected to both sides of the heat conducting plates (81).

7. The multi-cavity high-airtightness aluminum alloy profile for a new energy vehicle battery pack according to claim 1, characterized in that: The sliding block (23) is in a T-shape, and the sliding groove (22) is in a T-shape.

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