Fixing structure of waterproof battery pack

Abstract

The utility model discloses a fixing structure of a waterproof battery pack, which comprises a shell, a top cover and a battery cell support, a gluing groove is arranged at the top of the battery cell support, the gluing groove can be designed according to the structure of the battery pack, a plurality of components between the battery cell support and the top cover are avoided, and the battery cell support is arranged in the shell. The gluing groove is filled with glue manually, then the top cover is arranged above the shell in a covering mode, the gluing groove is located among the shell, the top cover and the battery cell support, after the glue is solidified, fixation of the shell, the top cover and the battery cell support can be completed, and the mode of pouring the glue into the gluing groove is more convenient and faster than the mode of adopting a sealing ring for sealing; the fixing structure can flexibly adapt to components of various shapes and sizes, the labor cost and the time cost for assembling the battery pack are reduced, and meanwhile, the gluing groove can provide a wider sealing area compared with a sealing ring, so that the strength of the fixing structure of the shell, the top cover and the battery cell bracket is higher, and the stability is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery pack technical field especially, is related to a waterproof battery pack's fixed structure. BACKGROUND

[0002] At present, because battery pack has portability and is widely used in new energy automobile, emergency energy supply and electric bicycle etc. field, in order to prevent moisture from causing damage to battery pack, battery pack usually has good sealing performance, in order to improve the sealing performance of battery module, usually increase sealing ring between top cap and the cell support, but because there are more components between the cell support and the top cap, it causes inconvenience in the installation process of sealing ring to artificial. SUMMARY

[0003] The utility model discloses a waterproof battery pack's fixed structure can be fixed to the waterproof battery pack, and the waterproof battery pack can be fixed to the waterproof battery pack.

[0004] The utility model discloses a waterproof battery pack's fixed structure can be fixed to the waterproof battery pack, and the waterproof battery pack can be fixed to the waterproof battery pack.

[0005] A waterproof battery pack's fixed structure, including: shell, top cap and cell support, the cell support sets up in the shell, the top cap sets up in the upper of shell, the cell support includes the glueing groove, the glueing groove sets up between the shell, the top cap and the cell support, glue is provided on the glueing groove, the shell, the top cap and the cell support are fixedly connected through the glue.

[0006] In one embodiment, the cell support includes a connection site, the connection site is provided on the side of the glueing groove away from the shell, and a glue blocking step is provided between the glueing groove and the connection site.

[0007] In one embodiment, the cell support includes a first support and a second support, the first support is provided with a plurality of first through holes, the second support is provided with a plurality of second through holes, the number of the first through holes is the same as that of the second through holes, the first through holes and the second through holes are arranged one by one, the first through holes and the second through holes are provided with internal threads, and a fastener is provided on the first through holes and the second through holes.

[0008] In one embodiment, the cell support is attached to the inside of the shell.

[0009] In one embodiment, the bottom of the cell support is fixedly connected to the shell through the glue.

[0010] In one embodiment, the top cap includes a first protruding portion, the first protruding portion extends towards the glueing groove, and the first protruding portion is connected with the glue.

[0011] In one of the embodiments, the top cover comprises a second protruding part, which is connected with the upper edge of the shell.

[0012] In one of the embodiments, a groove is arranged on the second protruding part, which is arranged at the connection between the second protruding part and the upper edge of the shell.

[0013] In one of the embodiments, a sealing ring is arranged on the groove.

[0014] In one of the embodiments, the glue is waterproof glue.

[0015] Compared with the prior art, the utility model has at least the following advantages:

[0016] The fixing structure of the waterproof battery pack of the utility model is provided with a glue pouring groove on the top of the battery cell support, the glue pouring groove can be designed according to the structure of the battery pack, a plurality of components between the battery cell support and the top cover are avoided, the battery cell support is installed in the shell, the glue is poured into the glue pouring groove by manpower, then the top cover is arranged above the shell, since the glue pouring groove is located between the shell, the top cover and the battery cell support, after the glue solidifies, the fixing of the shell, the top cover and the battery cell support is completed, the glue pouring groove is used to pour the glue, compared with the sealing ring, the sealing is more convenient, various components with different shapes and sizes can be flexibly adapted, the labor cost and time cost of assembling the battery pack are reduced, meanwhile, compared with the sealing ring, the glue pouring groove can provide a wider sealing area, so that the fixing structure of the shell, the top cover and the battery cell support has higher strength and better stability. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the drawings used in the embodiments will be briefly introduced.

[0018] Figure 1 It is a schematic view of the fixing structure of the waterproof battery pack in one of the embodiments of the utility model;

[0019] Figure 2 It is another schematic view of the fixing structure of the waterproof battery pack in one of the embodiments of the utility model;

[0020] Figure 3 It is a partial enlarged schematic view of part A in the above-mentioned drawing. Figure 2

[0021] ​Reference signs: 100, shell; 200, top cover; 300, battery cell support; 310, glue pouring groove; 311, glue; 320, connecting position; 330, glue blocking step; 340, first support; 350, second support; 360, fastener; 210, first protruding part; 220, second protruding part; 221, groove; DETAILED DESCRIPTION

[0022] In order to facilitate the understanding of the utility model, the utility model will be described more fully below with reference to the relevant drawings.

[0023] Please refer to Figures 1 to 3 A fixing structure 10 of waterproof battery pack, including: shell 100, top cover 200 and battery cell support 300, battery cell support 300 is set up in shell 100, top cover 200 is set up in the upper of shell 100, battery cell support 300 includes glue pouring groove 310, glue pouring groove 310 is set up between shell 100, top cover 200 and battery cell support 300, glue 311 is set up on glue pouring groove 310, shell 100, top cover 200 and battery cell support 300 are fixedly connected through glue 311.

[0024] It needs to be explained that by setting glue pouring groove 310 on the top of battery cell support 300, glue pouring groove 310 can be designed according to the structure of battery pack, avoids numerous components between battery cell support 300 and top cover 200, installs battery cell support 300 in shell 100, so that manual pouring full glue 311 on glue pouring groove 310, then makes top cover 200 cover in the upper of shell 100, since glue pouring groove 310 is located between shell 100, top cover 200 and battery cell support 300, after the solidification of glue 311, the fixing of shell 100, top cover 200 and battery cell support 300 can be completed, and the way of pouring glue 311 on glue pouring groove 310 is more convenient than the way of sealing ring, can flexibly adapt to components of various shapes and sizes, reduces the labor cost and time cost of assembling battery pack, and at the same time, glue pouring groove 310 can provide a wider sealing area than sealing ring, so that the fixing structure of shell 100, top cover 200 and battery cell support 300 is higher in strength and better in stability.

[0025] Please refer to Figure 1 And Figure 2 In an embodiment, battery cell support 300 includes connecting position 320, connecting position 320 is set up on the side of glue pouring groove 310 away from shell 100, BMS assembly and other components are set up on connecting position 320, glue blocking step 330 is set up between glue pouring groove 310 and connecting position 320, to avoid the overflow of glue 311 on glue pouring groove 310 to connecting position 320, so that the components on connecting position 320 will not be adhered with glue 311, when the battery pack needs to be repaired or the components are replaced, the manual disassembly difficulty will not be increased.

[0026] Please refer again to Figure 1 and Figure 2 In an embodiment, the cell support 300 comprises a first support 340 and a second support 350, the first support 340 is provided with a plurality of first through holes, the second support 350 is provided with a plurality of second through holes, the number of first through holes is the same as the number of second through holes, the first through holes and the second through holes are arranged one by one, the first through holes and the second through holes are both internally threaded, and the fasteners 360 are arranged on the first through holes and the second through holes. In this embodiment, the number of first through holes and second through holes is six. In this way, the cell support 300 can be fixed more stably, and the glue 311 on the glue groove 310 will not crack when the battery pack vibrates due to external force, and the fixed structure of the shell 100, the top cover 200 and the cell support 300 will not loosen. The first through holes and the second through holes are both internally threaded, so that the fasteners 360 are connected to the first support 340 and the second support 350 in the form of bolt connection. The bolt connection is more stable than the clamping connection and other connection methods. The fasteners 360 are plastic fasteners or metal fasteners. In this embodiment, the fasteners 360 are preferably metal fasteners, so that the fasteners 360 are not easy to break when the battery pack vibrates due to external force. The metal fasteners are stainless steel fasteners or aluminum alloy fasteners. Since the strength of the stainless steel fasteners is higher than that of the aluminum alloy fasteners, the fasteners 360 are preferably stainless steel fasteners in this embodiment, which further improves the connection stability of the first support 340 and the second support 350.

[0027] Please refer again to Figure 1 and Figure 2 In an embodiment, the cell support 300 is arranged on the inner side of the shell 100, so that the volume of the shell 100 and the volume of the cell support 300 are matched, the cell support 300 and the shell 100 are better clamped and fixed, and when the battery pack vibrates due to external force, the cell support 300 will not shake inside the shell 100, so that the glue 311 on the glue groove 310 will not crack due to vibration, and the stability of the fixed structure of the shell 100, the top cover 200 and the cell support 300 is improved.

[0028] Please refer again to Figure 2 In an embodiment, the bottom of the cell support 300 is fixedly connected to the shell 100 by the glue 311, so that the cell support 300 and the shell 100 are more stably fixed, and further avoid the cell support 300 from shaking inside the shell 100, thereby further improving the stability of the fixed structure of the shell 100, the top cover 200 and the cell support 300.

[0029] Please refer again Figure 3 In an embodiment, the top cover 200 comprises a first protruding part 210, which is arranged to extend towards the glue groove 310, and the first protruding part 210 is connected with the glue 311. In this way, the contact area between the top cover 200 and the glue 311 on the glue groove 310 is increased, so as to avoid the loosening of the top cover 200 due to the vibration of the battery pack under the action of external force.

[0030] Please refer again Figure 3 In an embodiment, the top cover 200 comprises a second protruding part 220, which is connected with the upper edge of the shell 100. Since the connection between the top cover 200 and the shell 100 is a vertical joint seam, the external moisture is easy to penetrate into the glue groove 310 along the vertical joint seam. The second protruding part 220 can block the external moisture, so as to prevent the external moisture from penetrating into the glue groove 310 along the vertical joint seam, thereby preventing the adhesive force of the glue 311 from being reduced.

[0031] Please refer again Figure 3 In an embodiment, a groove 221 is arranged on the second protruding part 220. When the battery pack needs to be repaired or the components need to be replaced, the groove 221 can be used to disassemble the battery pack manually, thereby improving the maintainability of the battery pack.

[0032] In an embodiment, a sealing ring is arranged on the groove 221, so as to further improve the waterproof performance of the battery pack. The groove 221 on the top cover 200 has a closed mouth-shaped structure, so as to facilitate the installation of the sealing ring on the groove 221.

[0033] In an embodiment, the glue 311 is waterproof glue, which can prevent the adhesive force from being reduced due to the erosion of external moisture, thereby further improving the stability of the fixing structure of the shell 100, the top cover 200 and the cell support 300.

[0034] The above embodiments only express several embodiments of the present application, and the description is more specific and detailed, but it cannot be understood as the limitation of the scope of the present application. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which all belong to the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A fixing structure of a waterproof battery pack characterized by comprising: Including: The shell, the top cover and the battery cell support, the battery cell support is arranged in the shell, the top cover is arranged above the shell, the battery cell support includes a glue groove, the glue groove is arranged between the shell, the top cover and the battery cell support, glue is arranged on the glue groove, the shell, the top cover and the battery cell support are fixedly connected by the glue.

2. The waterproof battery pack fixing structure according to claim 1, characterized in that, The battery cell support includes a connecting position, the connecting position is arranged on the side of the glue groove away from the shell, a glue blocking step is arranged between the glue groove and the connecting position.

3. The waterproof battery pack fixing structure according to claim 2, characterized in that, The battery cell support includes a first support and a second support, the first support is provided with a plurality of first through holes, the second support is provided with a plurality of second through holes, the number of the first through holes is the same as the number of the second through holes, the first through hole and the second through hole are arranged one by one, the first through hole and the second through hole are internally threaded, and the first through hole and the second through hole are provided with fasteners.

4. The waterproof battery pack fixing structure according to claim 3, characterized in that, The battery cell support is arranged on the inner side of the shell.

5. The waterproof battery pack fixing structure according to claim 4, characterized in that, The bottom of the battery cell support is fixedly connected with the shell by the glue.

6. The waterproof battery pack fixing structure according to claim 1, characterized in that, The top cover includes a first protruding portion, the first protruding portion extends towards the glue groove, and the first protruding portion is connected with the glue.

7. The waterproof battery pack fixing structure according to claim 6, characterized in that, The top cover includes a second protruding portion, and the second protruding portion is connected with the upper edge of the shell.

8. The waterproof battery pack fixing structure according to claim 7, characterized in that, A groove is formed in the second protruding portion, and the groove is arranged at the connection between the second protruding portion and the upper edge of the shell.

9. The waterproof battery pack fixing structure according to claim 8, characterized in that, A sealing ring is arranged on the groove.

10. The waterproof battery pack fixing structure according to claim 5 or 6, characterized in that, The glue is waterproof glue.

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