Fire-fighting battery outer box structure

Abstract

The utility model relates to the technical field of battery safety, and discloses a fire-fighting battery outer box structure, which comprises an inner shell, an outer shell and an outer box, the sealing cover is arranged at the top of the inner shell; the protection structure comprises a bottom plate, the bottom plate is arranged below the inner shell, and the bottom plate is placed on the ground; the reinforcing supporting structure comprises eight groups of first limiting plates which are fixedly mounted on the outer wall of the inner shell, the protection structure further comprises first fixing plates which are fixedly mounted on the outer walls of the two sides of the inner shell, and two groups of third limiting holes are formed in the first fixing plates; second limiting nails are arranged in the third limiting holes, four sets of fourth limiting holes are formed in the top of the bottom plate, the purpose of conducting welding protection on the device is achieved, through the double-layer metal plate design, the mechanical strength and heat insulation performance of the outer box are improved, the protection strength of the device is improved, the durability of the device is improved, and the service life of the device is prolonged.

Description

Technical Field

[0001] The utility model belongs to the technical field of battery safety, and in particular relates to an outer box structure of a fire-fighting battery. Background Art

[0002] Existing lead-acid batteries use a rubber casing and are all single-layer designs. The casing is easy to melt in extremely high temperature environments, and the rubber features are easily damaged by collisions, leaking important components inside and failing to protect the battery.

[0003] Currently, most lithium battery shells on the market use lead-acid shells or sheet metal shells. Sheet metal shells are resistant to mechanical impact and high temperature, but their air tightness and flexibility are not as good as rubber shells. When encountering high temperatures, they cannot release or insulate well, which will also cause high-temperature damage to the internal components of the shell.

[0004] In view of this, the present utility model is proposed. Utility Model Content

[0005] In order to solve the technical problem of insufficient high temperature resistance and impact resistance of the above-mentioned lead-acid battery rubber housing, the basic concept of the technical solution adopted by the present invention is:

[0006] A fire protection battery outer box structure, comprising:

[0007] Inner shell, the inner shell is rectangular;

[0008] A sealing cover is arranged on the top of the inner shell;

[0009] The protective structure includes a bottom plate, which is arranged below the inner shell and placed on the ground;

[0010] The reinforcement support structure includes a first limiting plate, which is fixedly mounted on the outer wall of the inner shell. The number of the first limiting plates is eight.

[0011] As a preferred embodiment of the present invention, the protective structure also includes a first fixing plate fixedly installed on the outer walls on both sides of the inner shell, two groups of third limiting holes are opened inside the first fixing plate, second limiting nails are arranged inside the third limiting holes, four groups of fourth limiting holes are opened on the top of the bottom plate, and the third limiting holes are snap-fitted and installed inside the fourth limiting holes.

[0012] As a preferred embodiment of the present invention, the protective structure also includes a first clamping groove opened at the top of the base plate, the bottom of the inner shell is clamped and installed inside the first clamping groove, the bottom of the first fixed plate is tightly attached to the top of the base plate, and the outer wall of the base plate is provided with two groups of first outer guard plates and two groups of second outer guard plates, and the inner wall of one side of the first outer guard plate and the second outer guard plate is fixedly connected to the outer wall of the base plate by welding.

[0013] As a preferred embodiment of the present invention, the reinforcement support structure also includes a second clipping groove opened inside the first limiting plate, two groups of first clipping plates are fixedly installed on the inner walls of one side of the two groups of first outer guard plates and the two groups of second outer guard plates, eight groups of connecting plates are provided at the bottom of the sealing cover, and a third clipping plate is fixedly installed at the bottom of the connecting plate.

[0014] As a preferred embodiment of the present invention, the reinforcement support structure also includes a second clipping plate fixedly installed on the outer wall of one side of the third clipping plate, the third clipping plate and the second clipping plate are clipped and installed inside the second clipping groove, a third clipping groove is opened inside the connecting plate, and the first clipping plate is clipped and installed inside the third clipping groove.

[0015] As a preferred embodiment of the present invention, a sealing ring plate is fixedly installed on the top of the inner shell, twelve groups of first limiting holes are opened inside the sealing ring plate, twelve groups of second limiting holes are opened inside the sealing cover, and first limiting pins are provided inside the second limiting holes, and the first limiting pins are clamped and installed inside the first limiting holes.

[0016] As a preferred embodiment of the present invention, a waterproof and breathable membrane is adhered and installed on the bottom of the base plate, and high-temperature resistant silica gel is poured between the inner shell and the two groups of first outer protective plates and the two groups of second outer protective plates.

[0017] Compared with the prior art, the present invention has the following beneficial effects:

[0018] 1. To achieve the purpose of welding protection for the device, through the double-layer sheet metal design, the mechanical strength and thermal insulation performance of the outer box are improved, the protection strength of the device is improved, the durability of the device is improved, and the service life of the device is extended.

[0019] 2. Achieve the purpose of reinforcing and supporting the double-layer sheet metal, improve the fixing effect of the device, enhance the supporting strength of the device, improve the welding effect of the device, and improve the stability of the device.

[0020] 3. To achieve the purpose of sealing and filling the gaps of the device, after hardening, the high-temperature resistant silicone 32 can fill the gaps and form a tight insulation layer, effectively preventing external heat from being transferred to the inside of the battery, improving the thermal insulation effect of the device and optimizing the user experience of the device.

[0021] The specific embodiments of the present invention will be described in further detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In the attached figure:

[0023] Figure 1 It is a structural stereogram of the utility model;

[0024] Figure 2 This is a disassembled diagram of the utility model;

[0025] Figure 3 This is a schematic diagram of the installation of the utility model;

[0026] Figure 4 This is a three-dimensional diagram of the inner shell structure and the sealing cover structure of the utility model;

[0027] Figure 5 This is an exploded view of the first limiting plate and the connecting plate of the present utility model;

[0028] Figure 6 This is a three-dimensional diagram of the first limiting plate structure and the connecting plate structure of the present invention;

[0029] Figure 7 This is a layered diagram of the waterproof and breathable membrane material of the utility model;

[0030] Figure 8 This is a layered diagram of the high-temperature resistant silicone material of the present invention.

[0031] In the figure: 10. Inner shell; 11. Sealing cover; 12. Sealing ring plate; 13. First limiting hole; 14. Second limiting hole; 15. First limiting pin; 16. First fixing plate; 17. Third limiting hole; 18. Second limiting pin; 19. Bottom plate; 20. First clipping groove; 21. Fourth limiting hole; 22. First outer protective plate; 23. Second outer protective plate; 24. First clipping plate; 25. First limiting plate; 26. Second clipping groove; 27. Connecting plate; 28. Third clipping plate; 29. Second clipping plate; 30. Third clipping groove; 31. Waterproof and breathable membrane; 32. High-temperature resistant silicone. DETAILED DESCRIPTION

[0032] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. The following embodiments are used to illustrate the present invention.

[0033] Example 1: A fire protection battery outer box structure, specifically as follows Figure 1 and Figure 3 As shown, the device comprises an inner shell 10, which is rectangular; a sealing cover 11, which is disposed on top of the inner shell 10; a protective structure, which includes a base plate 19, which is disposed below the inner shell 10 and placed on the ground; and a reinforcement support structure, which includes eight sets of first limit plates 25, which are fixedly mounted on the outer wall of the inner shell 10. The protective structure protects the exterior of the inner shell 10, and the reinforcement support structure reinforces the device.

[0034] Specific as Figure 1 、 Figure 3 and Figure 4 As shown, the protective structure also includes a first fixing plate 16 fixedly installed on the outer walls on both sides of the inner shell 10, two groups of third limiting holes 17 are opened inside the first fixing plate 16, and second limiting nails 18 are set inside the third limiting holes 17. Four groups of fourth limiting holes 21 are opened on the top of the bottom plate 19, and the third limiting holes 17 are snap-fitted and installed inside the fourth limiting holes 21.

[0035] Specific as Figure 1 、 Figure 3 and Figure 4 As shown, the protective structure also includes a first snap-fit groove 20 opened at the top of the bottom plate 19. The bottom of the inner shell 10 is snap-fitted and installed inside the first snap-fit groove 20. The bottom of the first fixing plate 16 is in close contact with the top of the bottom plate 19. The outer wall of the bottom plate 19 is provided with two sets of first outer guard plates 22 and two sets of second outer guard plates 23. The inner walls of one side of the first outer guard plates 22 and the second outer guard plates 23 are fixedly connected to the outer wall of the bottom plate 19 by welding. The inner shell 10 is snap-fitted and installed inside the first snap-fit groove 20, the second limiting nail 18 is snap-fitted and installed inside the third limiting hole 17 and the fourth limiting hole 21, the inner shell 10 is fixedly installed on the top of the bottom plate 19, and the two sets of first outer guard plates 22 and the two sets of second outer guard plates 23 are welded and installed on the four sides of the bottom plate 19.

[0036] According to the above conclusions, the purpose of welding protection of the device is achieved through the structure of the inner shell 10, the sealing cover 11, the first fixing plate 16, the third limiting hole 17, the second limiting nail 18, the bottom plate 19, the first clamping groove 20, the fourth limiting hole 21, the first outer guard plate 22 and the second outer guard plate 23. Through the double-layer sheet metal design, the mechanical strength and thermal insulation performance of the outer box are improved, the protective strength of the device is improved, the durability of the device is improved, and the service life of the device is extended.

[0037] Example 2: Based on Example 1, the specific example is as follows Figure 1 、 Figure 2 、 Figure 5 and Figure 6 As shown, the reinforcement support structure also includes a second snap-in groove 26 opened inside the first limit plate 25, two groups of first snap-in plates 24 are fixedly installed on the inner wall of one side of the two groups of first outer guard plates 22 and the two groups of second outer guard plates 23, and eight groups of connecting plates 27 are provided at the bottom of the cover 11, and a third snap-in plate 28 is fixedly installed at the bottom of the connecting plate 27.

[0038] Specific as Figure 1 、 Figure 2 、 Figure 5 and Figure 6As shown, the reinforcement support structure also includes a second clipping plate 29 fixedly mounted on the outer wall of one side of the third clipping plate 28. The third clipping plate 28 and the second clipping plate 29 are clipped and mounted inside the second clipping groove 26. The connecting plate 27 has a third clipping groove 30 defined therein, and the first clipping plate 24 is clipped and mounted inside the third clipping groove 30. Holding the eight sets of connecting plates 27, the third clipping plate 28 and the second clipping plate 29 are clipped and mounted inside the second clipping groove 26, and the first clipping plate 24 is clipped and mounted inside the third clipping groove 30, thereby improving the connection between the inner shell 10 and the first and second outer guard plates 22 and 23.

[0039] According to the above conclusions, through the structure of the bottom plate 19, the first outer guard plate 22, the second outer guard plate 23, the first clamping plate 24, the first limiting plate 25, the second clamping groove 26, the connecting plate 27, the third clamping plate 28, the second clamping plate 29 and the third clamping groove 30, the purpose of reinforcing and supporting the double-layer sheet metal is achieved, the fixing effect of the device is improved, the supporting strength of the device is enhanced, the welding effect of the device is improved, and the stability of the device is improved.

[0040] Example 3: Based on Example 1 and Example 2, the specific example is as follows Figure 1 、 Figure 2 and Figure 4 As shown, a sealing ring plate 12 is fixedly mounted on the top of the inner shell 10. Twelve groups of first limiting holes 13 are defined within the sealing ring plate 12. Twelve groups of second limiting holes 14 are defined within the sealing cover 11. First limiting pins 15 are disposed within the second limiting holes 14, and the first limiting pins 15 are snap-fitted into the first limiting holes 13. The sealing cover 11 is placed on the top of the inner shell 10, the sealing ring plate 12 is snap-fitted into the sealing cover 11, and the first limiting pins 15 are snap-fitted into the second limiting holes 14 and the first limiting holes 13. The sealing cover 11 is then fixed to the top of the inner shell 10.

[0041] Specific as Figure 1 、 Figure 7 and Figure 8 As shown, a waterproof, breathable membrane 31 is attached to the bottom of the base plate 19, and high-temperature-resistant silicone 32 is poured between the inner shell 10 and the two sets of first and second outer protective plates 22, 23. The waterproof, breathable membrane 31 provides waterproof protection for the bottom of the base plate 19, while the high-temperature-resistant silicone 32 fills the gaps within the device.

[0042] To sum up, the purpose of sealing and fixing the device and filling the gaps is achieved through the structure of the sealing cover 11, the sealing ring plate 12, the first limiting hole 13, the second limiting hole 14, the first limiting pin 15, the bottom plate 19, the first outer protective plate 22, the second outer protective plate 23, the waterproof breathable membrane 31 and the high-temperature resistant silicone 32. After the high-temperature resistant silicone 32 hardens, it can fill the gap to form a tight insulation layer, effectively preventing external heat from being transferred to the inside of the battery, improving the thermal insulation effect of the device, and optimizing the user experience of the device.

[0043] Working principle: The bottom plate 19 is used to provide all-round protection for the outside of the inner shell 10 to prevent external impact, corrosion and other factors from damaging the battery. The two groups of first outer protective plates 22 and two groups of second outer protective plates 23 are welded and fixed to enhance the stability and durability of the protective structure. The waterproof and breathable membrane 31 ensures that moisture will not enter the interior of the protective structure, further protecting the safety of the battery. The eight groups of first limiting plates 25 are evenly distributed on the outer wall of the outer box, providing strong supporting force and enhancing the overall strength and stability of the outer box. The third clip plate 28 and the second clip plate 29 are installed in the second clip groove 26 by clipping, and work together with the first clip plate 24 on the inner wall of the first outer protective plate 22 and the second outer protective plate 23 to improve the connection effect and further strengthen the outer box structure. The sealing cover 11 cooperates with the first limiting nail 15 on the inner shell 10 through the second limiting hole 14 opened inside to achieve stable closure and protect the internal battery from external influences.

[0044] The high temperature resistant silicone rubber 32 has a high temperature resistance of 340°C. It is left to stand for about 2 hours to harden and then sealed.

[0045] It is understood that the present invention is described by way of certain embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. Furthermore, under the guidance of the present invention, these features and embodiments may be modified to suit specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are intended to be protected by the present invention.

Claims

1. A fire protection battery outer box structure, characterized in that: include: Inner shell (10), the inner shell (10) is rectangular; A sealing cover (11), the sealing cover (11) is arranged on the top of the inner shell (10); A protective structure, the protective structure comprising a bottom plate (19), the bottom plate (19) being arranged below the inner shell (10), and the bottom plate (19) being placed on the ground; The reinforcement support structure comprises a first limiting plate (25), the first limiting plate (25) being fixedly mounted on the outer wall of the inner shell (10), and the number of the first limiting plates (25) is eight groups.

2. The fire protection battery outer box structure according to claim 1, characterized in that: The protective structure further comprises a first fixing plate (16) fixedly mounted on the outer walls of both sides of the inner shell (10); two groups of third limiting holes (17) are provided inside the first fixing plate (16); second limiting pins (18) are provided inside the third limiting holes (17); four groups of fourth limiting holes (21) are provided on the top of the bottom plate (19); the third limiting holes (17) are snap-fitted and mounted inside the fourth limiting holes (21).

3. The fire protection battery outer box structure according to claim 1, characterized in that: The protective structure further comprises a first clamping groove (20) provided on the top of the bottom plate (19); the bottom of the inner shell (10) is clamped and installed inside the first clamping groove (20); the bottom of the first fixing plate (16) is in close contact with the top of the bottom plate (19); the outer wall of the bottom plate (19) is provided with two groups of first outer guard plates (22) and two groups of second outer guard plates (23); the inner walls of one side of the first outer guard plates (22) and the second outer guard plates (23) are fixedly connected to the outer wall of the bottom plate (19) by welding.

4. The fire protection battery outer box structure according to claim 1, characterized in that: The reinforcement support structure further comprises a second clamping groove (26) provided inside the first limiting plate (25); two sets of first clamping plates (24) are fixedly mounted on one side inner wall of the two sets of first outer guard plates (22) and the two sets of second outer guard plates (23); eight sets of connecting plates (27) are provided at the bottom of the sealing cover (11); and a third clamping plate (28) is fixedly mounted on the bottom of the connecting plates (27).

5. The fire protection battery outer box structure according to claim 1, characterized in that: The reinforcement support structure further comprises a second clamping plate (29) fixedly mounted on an outer wall of one side of the third clamping plate (28); the third clamping plate (28) and the second clamping plate (29) are clamped and mounted inside the second clamping groove (26); a third clamping groove (30) is provided inside the connecting plate (27); and the first clamping plate (24) is clamped and mounted inside the third clamping groove (30).

6. The fire protection battery outer box structure according to claim 1, characterized in that: A sealing ring plate (12) is fixedly mounted on the top of the inner shell (10), twelve groups of first limiting holes (13) are provided inside the sealing ring plate (12), twelve groups of second limiting holes (14) are provided inside the sealing cover (11), first limiting pins (15) are provided inside the second limiting holes (14), and the first limiting pins (15) are clamped and mounted inside the first limiting holes (13).

7. The fire protection battery outer box structure according to claim 1, characterized in that: A waterproof and breathable membrane (31) is glued and installed on the bottom of the base plate (19), and high-temperature resistant silica gel (32) is poured between the inner shell (10) and the two sets of first outer protective plates (22) and the two sets of second outer protective plates (23).

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