Lithium battery pack fixing structure

Abstract

The utility model discloses a lithium battery pack fixing structure and relates to the technical field of lithium batteries. The lithium battery pack comprises a bearing base and a lithium battery pack body, an air duct is fixedly installed on the bottom face of the bearing base, air cooling assemblies are fixedly installed on the inner walls of the left side and the right side of the air duct, and the air cooling assemblies are used for conducting air flowing on the surface of the lithium battery pack body on the top face of the bearing base. And a threaded rod is fixedly mounted on the top surface of the bearing base. According to the lithium battery pack fixing device, the nut is in threaded sleeving with the top end of the threaded rod, so that the nut exerts pressure on the fixed pressing plate assembly, then the lithium battery pack body is fixed, and external air enters through the top surface of the bearing base through the air cooling assembly and then is discharged to the outside through the air duct; and air can flow along the surface of the lithium battery pack body, so that the lithium battery pack body is cooled, and the stability and safety of the lithium battery pack body during use are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, and in particular to a lithium battery pack fixing structure. Background Art

[0002] Lithium battery is a rechargeable battery with advantages including high energy density, long life, light weight and low self-discharge rate. Lithium battery mainly realizes the storage and release of electrical energy by the migration of lithium ions between the positive and negative electrodes. Lithium battery pack is a whole composed of multiple lithium battery cells. It is usually used in energy storage systems, electric vehicles, drones and other equipment. Lithium battery pack can provide greater energy storage capacity and output power, and is also easier to manage and maintain.

[0003] Lithium battery packs are often fixed on fixed structures during installation. When fixing the lithium battery packs, the lithium battery packs often come into contact with the surface of the fixed carrier. When designing and manufacturing lithium battery packs, factors such as the number of lithium battery cells, connection methods, protection circuits, and heat dissipation systems need to be considered. The contact between the lithium battery pack and the fixed carrier will affect its heat dissipation, thereby affecting the safety, stability, and performance of the entire battery pack system.

[0004] For this purpose, a lithium battery pack fixing structure is proposed. Utility Model Content

[0005] The purpose of the present invention is to solve the problems raised in the above background technology. The present invention provides a lithium battery pack fixing structure.

[0006] In order to achieve the above-mentioned purpose, the utility model specifically adopts the following technical solutions:

[0007] A lithium battery pack fixing structure includes a supporting base and a lithium battery pack body, wherein an air duct is fixedly installed on the bottom surface of the supporting base, and air cooling components are fixedly installed on the inner walls on the left and right sides of the air duct, and the air cooling components are used to flow air to the surface of the lithium battery pack body on the top surface of the supporting base, and a threaded rod is fixedly installed on the top surface of the supporting base, and a fixed pressure plate assembly is sleeved on the surface of the threaded rod, and a nut for applying pressure to the fixed pressure plate assembly is threadedly sleeved on the top end of the threaded rod.

[0008] Furthermore, the bearing base comprises a frame, a plurality of bearing support plates are fixedly mounted on the inner walls on the left and right sides of the frame, a threaded rod is fixedly mounted on the top surface of the frame, and an air duct is fixedly mounted on the bottom surface of the frame.

[0009] Furthermore, the air cooling component includes a cross frame, the left and right inner walls of the air duct are fixedly installed with the cross frame, and the top surface of the cross frame is fixedly installed with an electric motor, the output end of the motor is fixedly sleeved with a first sprocket, a rotating shaft is rotatably plugged into the surface of the cross frame, and the surface of the rotating shaft is fixedly sleeved with a second sprocket, chains are meshingly installed on the surfaces of the first sprocket and the second sprocket, and fan blades are fixedly installed on the bottom end of the rotating shaft.

[0010] Furthermore, the fixed pressure plate assembly includes a transverse pressure plate, a transverse pressure plate is movably sleeved on the surface of the threaded rod, a positioning protrusion is fixedly installed on the bottom surface of the transverse pressure plate, and longitudinal pressure plates are fixedly installed on the front and rear side walls of the transverse pressure plate.

[0011] Furthermore, the fan blades are located inside the air duct, and the fan blades are located directly below the lithium battery pack body.

[0012] Furthermore, the longitudinal pressure plate is arranged in an L-shaped structure, and the longitudinal pressure plates located on the front and rear sides of the transverse pressure plate are arranged corresponding to the front and rear ends of the lithium battery pack body respectively.

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

[0014] The lithium battery pack body is placed on the top surface of the supporting base, and the fixed pressure plate assembly is sleeved on the surface of the threaded rod so that the fixed pressure plate assembly contacts the top surface of the lithium battery pack body. The nut is sleeved on the top thread of the threaded rod so that the nut applies pressure to the fixed pressure plate assembly, thereby fixing the lithium battery pack body. The air cooling assembly allows external air to enter through the top surface of the supporting base and then be discharged to the outside through the air duct, so that the air can flow along the surface of the lithium battery pack body, thereby cooling the lithium battery pack body and improving the stability and safety of the lithium battery pack body during use. The fixed pressure plate assembly is adjusted vertically downward by the engagement of the nut and the threaded rod, so that lithium battery pack bodies of different sizes can be fixed. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 It is a partial front cross-sectional view of the utility model;

[0017] Figure 3 It is a schematic diagram of the local structure of the utility model;

[0018] Figure 4 It is a structural schematic diagram of the fixed pressure plate assembly of the utility model;

[0019] Figure numerals: 1. load-bearing base; 101. frame; 102. load-bearing tray; 2. air duct; 3. air cooling assembly; 301. cross frame; 302. motor; 303. first sprocket; 304. rotating shaft; 305. second sprocket; 306. chain; 307. fan blade; 4. lithium battery pack body; 5. threaded rod; 6. fixed pressure plate assembly; 601. horizontal pressure plate; 602. positioning protrusion; 603. longitudinal pressure plate; 7. nut. DETAILED DESCRIPTION

[0020] 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.

[0021] 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.

[0022] It should be noted that similar reference numerals and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings. In addition, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0023] In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "upper", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, or are the orientations or positional relationships in which the utility model product is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0024] like Figures 1 to 4As shown, a lithium battery pack fixing structure includes a supporting base 1 and a lithium battery pack body 4, an air duct 2 is fixedly installed on the bottom surface of the supporting base 1, and air cooling components 3 are fixedly installed on the inner walls of the left and right sides of the air duct 2, the air cooling components 3 are used to flow air to the surface of the lithium battery pack body 4 on the top surface of the supporting base 1, a threaded rod 5 is fixedly installed on the top surface of the supporting base 1, and the surface of the threaded rod 5 is sleeved with a fixed pressure plate assembly 6, and the top thread of the threaded rod 5 is sleeved with a nut 7 for applying pressure to the fixed pressure plate assembly 6. More specifically, the lithium battery pack body 4 is placed on the top surface of the supporting base 1, and the fixed pressure plate assembly 6 is sleeved on the surface of the threaded rod 5 so that the fixed pressure plate assembly 6 contacts the top surface of the lithium battery pack body 4, and the nut 7 is threadedly sleeved on the top of the threaded rod 5 so that the nut 7 applies pressure to the fixed pressure plate assembly 6, thereby fixing the lithium battery pack body 4, and the air cooling assembly 3 allows the external air to enter through the top surface of the supporting base 1 and then be discharged to the outside through the air duct 2, so that the air can flow along the surface of the lithium battery pack body 4, thereby cooling the lithium battery pack body 4 and improving the stability and safety of the lithium battery pack body 4 during use, and the fixed pressure plate assembly 6 is adjusted vertically downward by the engagement of the nut 7 and the threaded rod 5, so that lithium battery pack bodies 4 of different sizes can be fixed.

[0025] The bearing base 1 includes a frame 101, and multiple groups of bearing plates 102 are fixedly installed on the inner walls of the left and right sides of the frame 101. The top surface of the frame 101 is fixedly installed with a threaded rod 5, and the bottom surface of the frame 101 is fixedly installed with an air duct 2. More specifically, through the bearing plates 102 on the top surface of the frame 101, air can enter the interior of the air duct 2 when the air cooling component 3 is running.

[0026] The air cooling assembly 3 includes a horizontal frame 301, and the horizontal frame 301 is fixedly installed on the inner walls of the left and right sides of the air duct 2, and the top surface of the horizontal frame 301 is fixedly installed with a motor 302, and the output end of the motor 302 is fixedly sleeved with a first sprocket 303, and the surface of the horizontal frame 301 is rotatably plugged with a rotating shaft 304, and the surface of the rotating shaft 304 is fixedly sleeved with a second sprocket 305, and the surfaces of the first sprocket 303 and the second sprocket 305 are meshed with a chain 306, and the bottom end of the rotating shaft 304 is fixedly installed with a fan blade 307. More specifically, the first sprocket 303 is driven to rotate by the motor 302, and the rotating shaft 304 and the fan blade 307 are driven to rotate synchronously by the first sprocket 303 through the chain 306, and the rotation of the fan blade 307 allows the external air to enter the interior of the air duct 2 through the supporting base 1.

[0027] The fixed pressure plate assembly 6 includes a transverse pressure plate 601, the surface of the threaded rod 5 is movably sleeved with the transverse pressure plate 601, the bottom surface of the transverse pressure plate 601 is fixedly installed with a positioning protrusion 602, and the front and rear side walls of the transverse pressure plate 601 are fixedly installed with a longitudinal pressure plate 603. More specifically, the transverse pressure plate 601 and the longitudinal pressure plate 603 are used to apply pressure to the lithium battery pack body 4, the positioning protrusion 602 on the bottom surface of the transverse pressure plate 601 is used to limit the left and right directions of the lithium battery pack body 4, and the longitudinal pressure plate 603 is used to limit the front and rear directions of the lithium battery pack body 4.

[0028] The fan blades 307 are located inside the air duct 2, and the fan blades 307 are located directly below the lithium battery pack body 4. More specifically, the fan blades 307 rotate to allow external air to enter the air duct 2 through the supporting base 1, and the air flows to contact the surface of the lithium battery pack body 4 on the top of the supporting base 1 to achieve cooling and heat dissipation of the lithium battery pack body 4.

[0029] The longitudinal pressing plate 603 is arranged in an L-shaped structure, and the longitudinal pressing plates 603 located on the front and rear sides of the transverse pressing plate 601 are arranged corresponding to the front and rear ends of the lithium battery pack body 4. More specifically, the longitudinal pressing plates 603 of the L-shaped structure further limit the front and rear directions of the lithium battery pack body 4.

[0030] In summary: the lithium battery pack body 4 is placed on the top surface of the supporting base 1, and the fixed pressure plate assembly 6 is sleeved on the surface of the threaded rod 5 so that the fixed pressure plate assembly 6 contacts the top surface of the lithium battery pack body 4, and the nut 7 is threadedly sleeved on the top of the threaded rod 5 so that the nut 7 applies pressure to the fixed pressure plate assembly 6, thereby fixing the lithium battery pack body 4, and the air cooling assembly 3 allows the external air to enter through the top surface of the supporting base 1 and then be discharged to the outside through the air duct 2, so that the air can flow along the surface of the lithium battery pack body 4, thereby cooling the lithium battery pack body 4 and improving the stability and safety of the lithium battery pack body 4 during use, and the nut 7 is engaged with the threaded rod 5 so that the fixed pressure plate assembly 6 can be adjusted vertically downward, so that lithium battery pack bodies 4 of different sizes can be fixed.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and the specification only describe the principles of the utility model. The utility model may be subject to various changes and improvements without departing from the spirit and scope of the utility model. These changes and improvements fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A lithium battery pack fixing structure, characterized in that: The invention comprises a supporting base (1) and a lithium battery pack body (4), wherein an air duct (2) is fixedly mounted on the bottom surface of the supporting base (1), and air cooling components (3) are fixedly mounted on the inner walls on the left and right sides of the air duct (2), and the air cooling components (3) are used to allow air to flow on the surface of the lithium battery pack body (4) on the top surface of the supporting base (1). A threaded rod (5) is fixedly mounted on the top surface of the supporting base (1), and a fixed pressure plate component (6) is sleeved on the surface of the threaded rod (5), and a nut (7) for applying pressure to the fixed pressure plate component (6) is sleeved on the top thread of the threaded rod (5).

2. A lithium battery pack fixing structure according to claim 1, characterized in that: The bearing base (1) comprises a frame (101), a plurality of groups of bearing support plates (102) are fixedly mounted on the inner walls on the left and right sides of the frame (101), a threaded rod (5) is fixedly mounted on the top surface of the frame (101), and an air duct (2) is fixedly mounted on the bottom surface of the frame (101).

3. A lithium battery pack fixing structure according to claim 1, characterized in that: The air cooling component (3) comprises a cross frame (301), the cross frame (301) is fixedly installed on the inner walls on the left and right sides of the air duct (2), and the top surface of the cross frame (301) is fixedly installed with a motor (302), the output end of the motor (302) is fixedly sleeved with a first sprocket (303), the surface of the cross frame (301) is rotatably plugged with a rotating shaft (304), and the surface of the rotating shaft (304) is fixedly sleeved with a second sprocket (305), the surfaces of the first sprocket (303) and the second sprocket (305) are meshedly installed with a chain (306), and the bottom end of the rotating shaft (304) is fixedly installed with a fan blade (307).

4. A lithium battery pack fixing structure according to claim 1, characterized in that: The fixed pressure plate assembly (6) comprises a transverse pressure plate (601), the surface of the threaded rod (5) is movably sleeved with the transverse pressure plate (601), the bottom surface of the transverse pressure plate (601) is fixedly mounted with a positioning protrusion (602), and the front and rear side walls of the transverse pressure plate (601) are fixedly mounted with longitudinal pressure plates (603).

5. A lithium battery pack fixing structure according to claim 3, characterized in that: The fan blades (307) are located inside the air duct (2), and the fan blades (307) are located directly below the lithium battery pack body (4).

6. A lithium battery pack fixing structure according to claim 4, characterized in that: The longitudinal pressure plate (603) is arranged in an L-shaped structure, and the longitudinal pressure plates (603) located on the front and rear sides of the transverse pressure plate (601) are arranged corresponding to the front and rear ends of the lithium battery pack body (4).

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