Waterproof shell of energy storage lithium battery pack

Abstract

The utility model discloses a waterproof shell of an energy storage lithium battery pack, and relates to the technical field of lithium batteries. The lithium battery pack comprises a box body and a lithium battery pack body, a buffering assembly is arranged in the box body, the lithium battery pack body is arranged in the buffering assembly, a rectangular sealing air bag is arranged at the top end of the buffering assembly in a sleeved mode, a box cover body is arranged on the top face of the box body in a covering mode, and a through groove is formed in the surface of the box body. According to the lithium battery pack, the lithium battery pack body inside the lithium battery pack is protected through the buffering assembly, the rectangular sealing air bag is compressed through the box cover body, and then a connecting gap between the box cover body and the buffering assembly is sealed; water is blocked through the buffer assembly and the rectangular sealing air bag, the water is discharged from the interior of the box body through the through groove, and then the water is discharged to the outside through the drainage groove, so that the water is prevented from entering the interior of the box body.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a waterproof shell of an energy storage lithium battery pack. Background Art

[0002] The lithium battery pack shell structure is mainly used to protect the internal lithium battery pack and prevent the lithium battery pack from being damaged, thereby ensuring the normal use of the lithium battery. The lithium battery pack shell is relatively light and compact, and the internal lithium battery pack can be freely replaced, which is very convenient to use.

[0003] The lithium battery pack casing currently in use is often composed of a box body and a box cover. The existing lithium battery pack casing still has some shortcomings when in use. The box body and the box cover are sealed and waterproofed by a sealing ring. The sealing effect of the sealing ring will weaken over time. When it rains or is in a humid environment for a long time, the lithium battery will short-circuit, reducing the service life of the lithium battery and affecting the normal use of the product.

[0004] For this purpose, a waterproof casing for an energy storage lithium battery pack is proposed. Utility Model Content

[0005] The purpose of the utility model is to solve the problems raised in the above background technology and provide a waterproof casing for an energy storage lithium battery pack.

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

[0007] A waterproof shell for an energy storage lithium battery pack comprises a box body and a lithium battery pack body, wherein a buffer component is arranged inside the box body, wherein the lithium battery pack body is arranged inside the buffer component, a rectangular sealing airbag is sleeved on the top end of the buffer component, a box cover body is provided on the top surface of the box body, a through groove is provided on the surface of the box body, and drainage grooves are provided on the surface of the box body opposite to the through groove, and a connecting component for connecting and fixing the box body and the box cover body is provided on the surfaces of the box body and the box cover body.

[0008] Furthermore, the buffer assembly includes a sealing strip, the inner wall of the box body is fixedly mounted with the sealing strip, the bottom surface of the sealing strip is fixedly mounted with a buffer sleeve, and the outer surface of the buffer sleeve and the inner wall of the box body are provided with an arc-shaped buffer plate.

[0009] Furthermore, the box cover body includes a cover body, the top cover of the box body is provided with a cover body, a rubber pressure ring is fixedly installed on the bottom surface of the cover body, and the bottom surface of the rubber pressure ring and the top surface of the lithium battery pack body are arranged in a close fit, and a rectangular pressure frame is fixedly installed on the bottom surface of the cover body.

[0010] Furthermore, a rectangular sealing airbag is sleeved on the top of the sealing strip, and when the cover body and the box body are covered, the bottom surface of the rectangular pressing frame and the top surface of the rectangular sealing airbag are pressed together.

[0011] Furthermore, the connecting assembly includes a snap-in plate, a snap-in plate is fixedly mounted on the surface of the box body, a U-shaped seat is fixedly mounted on the surface of the cover body, and a rotating shaft is rotatably inserted inside the U-shaped seat, a threaded rod is fixedly mounted on the surface of the rotating shaft, and a nut is threadedly sleeved on the surface of the threaded rod.

[0012] Furthermore, the cross-section of the sealing strip is arranged in an L-shaped structure, and the bottom surface of the through groove is flush with the top surface of the sealing strip.

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

[0014] By placing the lithium battery pack body inside the buffer assembly, the box cover body and the top cover of the box body are installed, the box body and the box cover body are connected and fixed by the connecting assembly, the lithium battery pack body inside is protected by the buffer assembly, the rectangular sealing airbag is compressed by the box cover body, and the connecting gap between the box cover body and the buffer assembly is sealed. When water enters, the buffer assembly and the rectangular sealing airbag are used to block the water, and the water is discharged from the inside of the box body through the through groove, and then the water is discharged to the outside through the drainage groove, thereby preventing water from entering the inside of the box body. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0016] Figure 2 This utility model Figure 1 A magnified view of part A;

[0017] Figure 3 It is a side sectional view of the utility model;

[0018] Figure 4 This utility model Figure 3 A magnified view of part B;

[0019] Figure 5 It is a structural schematic diagram of the box body of the utility model;

[0020] Figure 6 It is a structural schematic diagram of the box cover of the utility model;

[0021] Figure numerals: 1. box body; 2. buffer assembly; 201. buffer sleeve; 202. arc-shaped buffer plate; 203. sealing strip; 3. box cover body; 301. cover body; 302. rubber pressure ring; 303. rectangular pressure frame; 4. rectangular sealing airbag; 5. lithium battery pack body; 6. through groove; 7. drainage groove; 8. connecting assembly; 801. snap-in plate; 802. U-shaped seat; 803. rotating shaft; 804. threaded rod; 805. nut. DETAILED DESCRIPTION

[0022] 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.

[0023] 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.

[0024] 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.

[0025] 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.

[0026] like Figures 1 to 6As shown, the waterproof housing of the energy storage lithium battery pack includes a box body 1 and a lithium battery pack body 5. A buffer component 2 is arranged inside the box body 1, and the lithium battery pack body 5 is arranged inside the buffer component 2. A rectangular sealing airbag 4 is sleeved on the top of the buffer component 2. The top surface of the box body 1 is covered with a box cover body 3. A through groove 6 is opened on the surface of the box body 1, and a drainage groove 7 is opened on the surface of the box body 1 opposite to the through groove 6. The surfaces of the box body 1 and the box cover body 3 are provided with a connecting component 8 for connecting and fixing the box body 1 and the box cover body 3. More specifically, the lithium battery pack body 5 is placed inside the buffer component 2, and the top cover of the box cover body 3 and the box body 1 is installed, and the box body 1 and the box cover body 3 are connected and fixed by the connecting component 8, and the lithium battery pack body 5 inside is protected by the buffer component 2, and the rectangular sealing airbag 4 is compressed by the box cover body 3 to seal the connecting gap between the box cover body 3 and the buffer component 2. When water enters, the buffer component 2 and the rectangular sealing airbag 4 are used to block the water, and the water is discharged from the inside of the box body 1 through the through groove 6, and then the water is discharged to the outside through the drainage groove 7, thereby preventing water from entering the inside of the box body 1.

[0027] The buffer assembly 2 includes a sealing strip 203, the inner wall of the box body 1 is fixedly mounted with the sealing strip 203, the bottom surface of the sealing strip 203 is fixedly mounted with a buffer sleeve 201, and the outer surface of the buffer sleeve 201 and the inner wall of the box body 1 are provided with an arc-shaped buffer plate 202. More specifically, through the buffer sleeve 201 and the arc-shaped buffer plate 202 provided between the buffer sleeve 201 and the inner wall of the box body 1, the impact force received by the lithium battery pack body 5 inside the buffer sleeve 201 during use can be buffered, and the sealing strip 203 is made of hard material, and the buffer sleeve 201 and the arc-shaped buffer plate 202 are made of materials with buffering function.

[0028] The box cover body 3 includes a cover body 301, the top of the box body 1 is covered with the cover body 301, a rubber pressure ring 302 is fixedly installed on the bottom surface of the cover body 301, and the bottom surface of the rubber pressure ring 302 and the top surface of the lithium battery pack body 5 are arranged in a close contact, and a rectangular pressing frame 303 is fixedly installed on the bottom surface of the cover body 301. More specifically, the cover body 301 and the top of the box body 1 are covered so that the rubber pressure ring 302 and the top surface of the lithium battery pack body 5 are in close contact, and the inner top of the cover body 301 is in close contact with the top surface of the sealing strip 203, and the buffer sleeve 201, the arc buffer plate 202 and the rubber pressure ring 302 are used to buffer and protect the lithium battery pack body 5, and the rectangular pressing frame 303 is pressed against the surface of the rectangular sealing airbag 4 to squeeze the rectangular sealing airbag 4.

[0029] A rectangular sealing airbag 4 is sleeved on the top of the sealing strip 203, and when the cover body 301 and the box body 1 are covered, the bottom surface of the rectangular pressing frame 303 and the top surface of the rectangular sealing airbag 4 are pressed together. More specifically, the rectangular sealing airbag 4 is compressed to seal the gap between the rectangular pressing frame 303 and the sealing strip 203, and the rectangular sealing airbag 4 is made of elastic material.

[0030] The connection assembly 8 includes a clamping plate 801, the clamping plate 801 is fixedly mounted on the surface of the box body 1, a U-shaped seat 802 is fixedly mounted on the surface of the cover body 301, and a rotating shaft 803 is rotatably inserted inside the U-shaped seat 802, a threaded rod 804 is fixedly mounted on the surface of the rotating shaft 803, and a nut 805 is threadedly sleeved on the surface of the threaded rod 804. More specifically, after the cover body 301 and the top of the box body 1 are covered, the threaded rod 804 is turned over so that the threaded rod 804 is clamped with the inside of the clamping plate 801, and the cover body 301 and the box body 1 are fixedly connected by the engagement of the nut 805 and the threaded rod 804.

[0031] The cross section of the sealing strip 203 is L-shaped, and the bottom surface of the through slot 6 is flush with the top surface of the sealing strip 203. More specifically, the sealing strip 203 with an L-shaped cross section blocks water, preventing it from entering the interior of the box body 1, and allowing it to be discharged through the through slot 6.

[0032] In summary: by placing the lithium battery pack body 5 inside the buffer component 2, through the box cover body 3 and the top cover of the box body 1, the box body 1 and the box cover body 3 are connected and fixed through the connecting component 8, the lithium battery pack body 5 inside is protected by the buffer component 2, the rectangular sealing airbag 4 is compressed by the box cover body 3, and the connecting gap between the box cover body 3 and the buffer component 2 is sealed, when water enters, the buffer component 2 and the rectangular sealing airbag 4 are used to block the water, the water is discharged from the inside of the box body 1 through the through groove 6, and then the water is discharged to the outside through the drainage groove 7, thereby preventing water from entering the inside of the box body 1.

[0033] 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 waterproof housing for an energy storage lithium battery pack, characterized in that: The invention comprises a box body (1) and a lithium battery pack body (5), wherein a buffer component (2) is arranged inside the box body (1), and a lithium battery pack body (5) is arranged inside the buffer component (2), and a rectangular sealing air bag (4) is sleeved on the top end of the buffer component (2), and a box cover body (3) is provided on the top surface of the box body (1), and a through groove (6) is provided on the surface of the box body (1), and a drainage groove (7) is provided on the surface of the box body (1) and opposite to the through groove (6), and a connecting component (8) for connecting and fixing the box body (1) and the box cover body (3) is provided on the surfaces of the box body (1) and the box cover body (3).

2. The waterproof casing of the energy storage lithium battery pack according to claim 1, characterized in that: The buffer assembly (2) comprises a sealing strip (203), the inner wall of the box body (1) is fixedly mounted with the sealing strip (203), the bottom surface of the sealing strip (203) is fixedly mounted with a buffer sleeve (201), and the outer surface of the buffer sleeve (201) and the inner wall of the box body (1) are provided with an arc-shaped buffer plate (202).

3. The waterproof casing of the energy storage lithium battery pack according to claim 2, characterized in that: The box cover body (3) comprises a cover body (301), the top cover of the box body (1) is provided with the cover body (301), a rubber pressure ring (302) is fixedly mounted on the bottom surface of the cover body (301), and the bottom surface of the rubber pressure ring (302) and the top surface of the lithium battery pack body (5) are arranged in a close fit, and a rectangular pressure frame (303) is fixedly mounted on the bottom surface of the cover body (301).

4. The waterproof casing of the energy storage lithium battery pack according to claim 3, characterized in that: A rectangular sealing airbag (4) is sleeved on the top of the sealing strip (203), and when the cover body (301) and the box body (1) are covered, the bottom surface of the rectangular pressing frame (303) and the top surface of the rectangular sealing airbag (4) are pressed together.

5. The waterproof casing of the energy storage lithium battery pack according to claim 3, characterized in that: The connecting assembly (8) comprises a snap-in plate (801), the surface of the box body (1) is fixedly mounted with the snap-in plate (801), the surface of the cover body (301) is fixedly mounted with a U-shaped seat (802), and a rotating shaft (803) is rotatably inserted inside the U-shaped seat (802), a threaded rod (804) is fixedly mounted on the surface of the rotating shaft (803), and a nut (805) is threadedly sleeved on the surface of the threaded rod (804).

6. The waterproof casing of the energy storage lithium battery pack according to claim 2, characterized in that: The cross section of the sealing strip (203) is arranged in an L-shaped structure, and the bottom surface of the through groove (6) is flush with the top surface of the sealing strip (203).

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