Sodium ion soft package battery cell mounting structure

Abstract

The utility model discloses a sodion soft package battery cell mounting structure. The sodion soft package battery cell mounting structure comprises a base, a top cover and a supporting assembly, the base and the top cover are arranged in a spaced mode and each provided with a plurality of limiting grooves. The plurality of soft package battery cells are arranged between the base and the top cover, and the two ends of each soft package battery cell are respectively limited in the corresponding limiting grooves in the base and the top cover. The supporting assembly comprises a plurality of supporting plates, each supporting plate is arranged between the base and the top cover and is respectively connected with the base and the top cover, and each soft package battery cell is limited between two supporting plates. According to the sodion soft package battery cell installation structure, the installation space for clamping the soft package battery cells is formed between the corresponding limiting grooves in the base and the top cover and the two adjacent supporting plates, when the soft package battery cells are grouped, all the soft package battery cells are limited in the installation space in sequence and do not need to be held by hands, and the operation is convenient. Therefore, an operator can use two hands to take other soft package battery cells for installation, the installation efficiency of the soft package battery cells is effectively improved, and the grouping efficiency of the battery pack is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of battery assembly, in particular to a sodium ion soft-pack battery core installation structure. Background Art

[0002] At present, the two major issues of environment and energy are urging the rapid development of electric machinery. Existing battery packs usually include a base, a top cover and multiple soft-pack cells. When the soft-pack cells are grouped, each soft-pack cell needs to be placed on the base in turn. The structural strength of the soft-pack cells is weak. Each time a soft-pack cell is placed, the operator needs to lift up the installed soft-pack cell with one hand and take the other soft-pack cells in turn with the other hand and put them into the base. This makes the installation of the soft-pack cells time-consuming and labor-intensive, and the efficiency of grouping is low, which limits the development of soft-pack batteries.

[0003] In view of this, the present utility model is proposed. Utility Model Content

[0004] The utility model provides a sodium ion soft-pack battery core installation structure.

[0005] The utility model adopts the following technical solutions:

[0006] A sodium ion soft-pack battery cell installation structure, comprising:

[0007] A base and a top cover, wherein the base and the top cover are spaced apart, and each of the base and the top cover has a plurality of limiting grooves, and a plurality of soft-packed cells are arranged between the base and the top cover, and two ends of each of the soft-packed cells are respectively limited to corresponding limiting grooves on the base and the top cover;

[0008] The support assembly includes a plurality of support plates, each of which is disposed between the base and the top cover and is respectively connected to the base and the top cover, and each of the soft-pack battery cells is limited between two of the support plates.

[0009] Optionally, the base has:

[0010] bottom wall;

[0011] A bottom ring wall, the bottom ring wall is arranged around the edge of the bottom wall;

[0012] A plurality of bottom shell parts, wherein the bottom shell parts are located inside the bottom ring wall and connected to the bottom wall;

[0013] The bottom shell portion has the limiting groove.

[0014] Optionally, the soft-pack battery cell comprises a battery cell body and edge sealing portions located on both sides of the battery cell body;

[0015] The bottom shell portion includes a bottom main shell and bottom auxiliary shells located at both ends of the bottom main shell, the limiting groove includes a main groove arranged in the bottom main shell and an auxiliary groove arranged on the bottom auxiliary shell, and the width of the main groove is greater than the width of the auxiliary groove;

[0016] One end of the battery cell body is accommodated in the main groove, and the edge sealing portion is accommodated in the auxiliary groove.

[0017] Optionally, a lower installation space is formed between the bottom ring wall and two adjacent ones of the bottom shell parts;

[0018] One end of each of the support plates is respectively accommodated in the corresponding lower installation space.

[0019] Optionally, the sodium ion soft-pack battery cell installation structure includes a first fastener;

[0020] One end of the first fastener passes through the bottom wall and is connected to the support plate, and the other end of the first fastener is limited to the bottom wall.

[0021] Optionally, a bottom limiting hole is provided on the bottom wall;

[0022] The support plate is provided with a bottom positioning protrusion to be inserted into the bottom limiting hole.

[0023] Optionally, the top cover has:

[0024] top wall;

[0025] A top ring wall, the top ring wall is arranged around the edge of the top wall;

[0026] A plurality of top shell parts, wherein the top shell parts are located inside the top ring wall and connected to the top wall;

[0027] The top shell portion has the limiting groove.

[0028] Optionally, the soft-pack battery cell comprises a battery cell body and edge sealing portions located on both sides of the battery cell body;

[0029] The top shell portion includes a top main shell and top auxiliary shells located at both ends of the top main shell, the limiting groove includes a main groove arranged in the top main shell and an auxiliary groove arranged on the top auxiliary shell, and the width of the main groove is greater than the width of the auxiliary groove;

[0030] One end of the battery cell body is accommodated in the main groove, and the edge sealing portion is accommodated in the corresponding auxiliary groove.

[0031] Optionally, an upper installation space is formed between the top ring wall on the top cover and two adjacent top shell parts;

[0032] One end of each of the support plates is respectively accommodated in the corresponding upper installation space.

[0033] Optionally, the sodium ion soft-pack battery cell installation structure includes a second fastener;

[0034] One end of the second fastener passes through the top wall and is connected to the support plate, and the other end of the second fastener is limited to the top wall.

[0035] By adopting the above technical solution, the utility model has the following beneficial effects:

[0036] The corresponding limiting grooves on the base and top cover of the sodium ion soft-pack battery cell installation structure of the present application and the two adjacent support plates form an installation space for clamping the soft-pack battery cells. When the soft-pack battery cells are grouped, each soft-pack battery cell is limited in the installation space in turn, and there is no need for manual support by hand. In this way, the operator can use both hands to take other soft-pack battery cells for installation, which effectively improves the installation efficiency of the soft-pack battery cells and the grouping efficiency of the battery pack.

[0037] The specific implementation of the utility model is further described in detail below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0038] The accompanying drawings are part of this application and are used to provide a further understanding of the utility model. The schematic embodiments of the utility model and their descriptions are used to explain the utility model, but do not constitute an improper limitation on the utility model. Obviously, the drawings described below are only some embodiments. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work. In the drawings:

[0039] Figure 1 A schematic diagram of the structure of the sodium ion soft-pack battery cell installation structure provided in an embodiment of the present application;

[0040] Figure 2 A first perspective view of the base of the sodium ion soft-pack battery cell mounting structure provided in an embodiment of the present application;

[0041] Figure 3 for Figure 2 The enlarged view of point A in the middle;

[0042] Figure 4 A second viewing angle diagram of the base of the sodium ion soft-pack battery cell mounting structure provided in an embodiment of the present application;

[0043] Figure 5 A schematic diagram of the structure of the top cover of the sodium ion soft-pack battery cell installation structure provided in an embodiment of the present application;

[0044] Figure 6 A schematic diagram of the structure of a soft-pack battery cell of a sodium ion soft-pack battery cell installation structure provided in an embodiment of the present application;

[0045] Figure 7 A first perspective view of a support plate of a sodium ion soft-pack battery cell mounting structure provided in an embodiment of the present application;

[0046] Figure 8 A second perspective view of the support plate of the sodium ion soft-pack battery cell mounting structure provided in an embodiment of the present application.

[0047] In the figure, the base 1, the bottom wall 11, the first connecting hole 111, the limiting hole 112, the bottom ring wall 12, the bottom shell part 13, the bottom main shell 131, the bottom auxiliary shell 132, the top cover 2, the top wall 21, the top ring wall 22, the top shell part 23, the top main shell 231, the top auxiliary shell 232, the soft-pack battery cell 3, the battery cell body 31, the edge sealing part 32, the support plate 4, the positioning protrusion 41, the first threaded hole 42, the second threaded hole 43, the limiting groove a, the main groove a1, and the auxiliary groove a2.

[0048] It should be noted that these drawings and textual descriptions are not intended to limit the conceptual scope of the present invention in any way, but rather to illustrate the concept of the present invention for those skilled in the art by referring to specific embodiments. DETAILED DESCRIPTION

[0049] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. The following embodiments are used to illustrate the utility model but are not used to limit the scope of the utility model.

[0050] In the description of the present invention, it should be noted that the terms "upper", "lower", "inside", "outside", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or component referred to must have a specific direction, be constructed and operated in a specific direction, and therefore cannot be understood as a limitation on the present invention.

[0051] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0052] See also Figures 1 to 8As shown, the embodiment of the present application provides a sodium ion soft-pack battery cell installation structure, including: a base 1, a top cover 2 and a support assembly. The base 1 and the top cover 2 are arranged at intervals, and the base 1 and the top cover 2 each have a plurality of limit grooves a, and a plurality of soft-pack battery cells 3 are arranged between the base 1 and the top cover 2, and the two ends of each of the soft-pack battery cells 3 are respectively limited to the corresponding limit grooves a on the base 1 and the top cover 2. The support assembly includes a plurality of support plates 4, each of the support plates 4 is arranged between the base 1 and the top cover 2, and is respectively connected to the base 1 and the top cover 2, and each of the soft-pack battery cells 3 is limited between two of the support plates 4. The corresponding limiting grooves a on the base 1 and the top cover 2 of the sodium ion soft-pack battery cell installation structure of the present application and the two adjacent support plates 4 form an installation space for clamping the soft-pack battery cell 3. When the soft-pack battery cells 3 are grouped, each soft-pack battery cell 3 is limited in the installation space in turn, and there is no need for manual support. In this way, the operator can use both hands to take other soft-pack battery cells 3 for installation, which effectively improves the installation efficiency of the soft-pack battery cells 3 and the grouping efficiency of the battery pack.

[0053] like Figure 2 and Figure 3 As shown, the base 1 comprises: a bottom wall 11, a bottom annular wall 12 and a plurality of bottom shell parts 13. The bottom annular wall 12 is arranged around the edge of the bottom wall 11. The bottom shell part 13 is located inside the bottom annular wall 12, and the bottom shell part 13 is connected to the bottom wall 11. The bottom shell part 13 has the limiting groove a. Each of the bottom shell parts 13 extends along the width direction of the bottom wall 11, and each of the bottom shell parts 13 is arranged at the bottom in parallel and at intervals, and is arranged in sequence along the length direction of the bottom wall 11.

[0054] like Figure 2 , Figure 3 and Figure 6 As shown, the soft-pack battery cell 3 has a battery cell body 31 and edge sealing portions 32 located on both sides of the battery cell body 31. The bottom shell portion 13 includes a bottom main shell 131 and a bottom auxiliary shell 132 located at both ends of the bottom main shell 131. The limiting groove a includes a main groove a1 arranged in the bottom main shell 131 and an auxiliary groove a2 arranged on the bottom auxiliary shell 132. The width of the main groove a1 is greater than the width of the auxiliary groove a2. One end of the battery cell body 31 is accommodated in the main groove a1, and the edge sealing portion 32 is accommodated in the auxiliary groove a2. In the prior art, some edge sealing portions 32 are usually folded. In this application, the edge sealing portion 32 of the soft-pack battery cell 3 can be used to accommodate one end of the battery cell body 31 in the main groove a1, and one end of the edge sealing portion 32 is accommodated in the auxiliary groove a2. The stability of the fixation of the soft-pack battery cell 3 is increased by the auxiliary groove a2, and the stability is better.

[0055] A lower installation space is formed between the bottom ring wall 12 and the adjacent bottom shell parts 13, and one end of each support plate 4 is respectively accommodated in the corresponding lower installation space. One end of the support plate 4 is inserted into the lower installation space.

[0056] In one possible embodiment, Figure 7 As shown, the sodium ion soft-pack battery cell installation structure includes a first fastener, one end of the first fastener passes through the bottom wall 11 and is connected to the support plate 4, and the other end of the first fastener is limited to the bottom wall 11. The bottom wall 11 has a first connection hole 111, and one end of the support plate 4 has a first threaded hole 42. The first fastener can be a screw, and the rod of the screw passes through the first connection hole 111 and is connected to the first threaded hole 42, and the cap of the screw is limited to the side of the bottom wall 11 away from the lower installation space.

[0057] like Figure 4 and Figure 7 As shown, the bottom wall 11 is provided with a bottom limiting hole 112, and the support plate 4 is provided with a bottom positioning protrusion 41 to be inserted into the bottom limiting hole 112. The positioning protrusion 41 can be a convex column. When installing the support plate 4, the positioning protrusion 41 is first inserted into the limiting hole 112 to locate the installation position of the support plate 4, and then the first fastener is used to install and fix it, so that the first connecting hole 111 and the first threaded hole 42 are accurately aligned, the installation is convenient, and the installation efficiency is improved.

[0058] like Figure 5 As shown, the top cover 2 comprises: a top wall 21, a top ring wall 22 and a plurality of top shell parts 23. The top ring wall 22 is arranged around the edge of the top wall 21. The top shell part 23 is located inside the top ring wall 22, and the top shell part 23 is connected to the top wall 21, and the top shell part 23 has the limiting groove a. Each of the top shell parts 23 extends along the width direction of the top wall 21, and each of the top shell parts 23 is arranged at the top in parallel and at intervals, and is arranged in sequence along the length direction of the top wall 21.

[0059] like Figure 5 and Figure 6As shown, the soft-pack battery cell 3 has a battery cell body 31 and edge sealing parts 32 located on both sides of the battery cell body 31. The top shell part 23 includes a top main shell 231 and a top auxiliary shell 232 located at both ends of the top main shell 231. The limiting groove a includes a main groove a1 set in the top main shell 231 and an auxiliary groove a2 set on the top auxiliary shell 232. The width of the main groove a1 is greater than the width of the auxiliary groove a2. The other end of the battery cell body 31 is accommodated in the main groove a1 in the top main shell 231, and the other end of the edge sealing part 32 is accommodated in the auxiliary groove a2 on the top auxiliary shell 232. The stability of the fixation of the soft-pack battery cell 3 is increased by the auxiliary groove a2 on the top auxiliary shell 232.

[0060] An upper installation space is formed between the top ring wall 22 and the top shell parts 23 on the top cover 2, and one end of each support plate 4 is accommodated in the corresponding upper installation space. The other end of the support plate 4 is inserted into the upper installation space.

[0061] In one possible embodiment, Figure 8 As shown, the sodium ion soft-pack battery cell installation structure includes a second fastener, one end of the second fastener passes through the top wall 21 and is connected to the support plate 4, and the other end of the second fastener is limited to the top wall 21. The top wall 21 has a second connection hole (not shown), and the other end of the support plate 4 has a second threaded hole 43. The second fastener can be a screw, and the rod of the screw passes through the second connection hole and is connected to the second threaded hole 43, and the cap of the screw is limited to the side of the top wall 21 away from the upper installation space.

[0062] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form. Although the utility model has been disclosed as a preferred embodiment as above, it is not used to limit the utility model. Any technician familiar with this patent can make some changes or modify the technical content suggested above into an equivalent embodiment with equivalent changes without departing from the scope of the technical solution of the utility model. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the utility model without departing from the content of the technical solution of the utility model still falls within the scope of the solution of the utility model.

Claims

1. A sodium ion soft-pack battery cell installation structure, characterized in that: include: A base and a top cover, wherein the base and the top cover are spaced apart, and each of the base and the top cover has a plurality of limiting grooves, and a plurality of soft-packed cells are arranged between the base and the top cover, and two ends of each of the soft-packed cells are respectively limited to corresponding limiting grooves on the base and the top cover; A support assembly, wherein the support assembly includes a plurality of support plates, each of the support plates is disposed between the base and the top cover, and is respectively connected to the base and the top cover, and each of the soft-pack cells is limited to be located between two of the support plates; Wherein, the base has: bottom wall; A bottom ring wall, the bottom ring wall is arranged around the edge of the bottom wall; A plurality of bottom shell parts, wherein the bottom shell parts are located inside the bottom ring wall and connected to the bottom wall; The bottom shell portion has the limiting groove; Wherein, the top cover has: top wall; A top ring wall, the top ring wall is arranged around the edge of the top wall; A plurality of top shell parts, wherein the top shell parts are located inside the top ring wall and connected to the top wall; The top shell portion has the limiting groove.

2. The sodium ion soft-pack battery cell installation structure according to claim 1, characterized in that: The soft-pack battery cell comprises a battery cell body and edge sealing portions located on both sides of the battery cell body; The bottom shell portion includes a bottom main shell and bottom auxiliary shells located at both ends of the bottom main shell, the limiting groove includes a main groove arranged in the bottom main shell and an auxiliary groove arranged on the bottom auxiliary shell, and the width of the main groove is greater than the width of the auxiliary groove; One end of the battery cell body is accommodated in the main groove, and the edge sealing portion is accommodated in the auxiliary groove.

3. The sodium ion soft-pack battery cell installation structure according to claim 1, characterized in that: A lower installation space is formed between the bottom ring wall and two adjacent bottom shell parts; One end of each of the support plates is respectively accommodated in the corresponding lower installation space.

4. The sodium ion soft-pack battery cell installation structure according to claim 1, characterized in that: comprising a first fastener; One end of the first fastener passes through the bottom wall and is connected to the support plate, and the other end of the first fastener is limited to the bottom wall.

5. The sodium ion soft-pack battery cell installation structure according to claim 1, characterized in that: A bottom limiting hole is arranged on the bottom wall; The support plate is provided with a bottom positioning protrusion to be inserted into the bottom limiting hole.

6. The sodium ion soft-pack battery cell installation structure according to claim 5, characterized in that: The soft-pack battery cell comprises a battery cell body and edge sealing portions located on both sides of the battery cell body; The top shell portion includes a top main shell and top auxiliary shells located at both ends of the top main shell, the limiting groove includes a main groove arranged in the top main shell and an auxiliary groove arranged on the top auxiliary shell, and the width of the main groove is greater than the width of the auxiliary groove; One end of the battery cell body is accommodated in the main groove, and the edge sealing portion is accommodated in the corresponding auxiliary groove.

7. The sodium ion soft-pack battery cell installation structure according to claim 1, characterized in that: An upper installation space is formed between the top ring wall on the top cover and two adjacent top shell parts; One end of each of the support plates is respectively accommodated in the corresponding upper installation space.

8. The sodium ion soft-pack battery cell installation structure according to claim 1, characterized in that: including a second fastener; One end of the second fastener passes through the top wall and is connected to the support plate, and the other end of the second fastener is limited to the top wall.

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