Bearing assembly of liquid injection hole and battery
By setting impregnation grooves and flow-conducting holes on the insulating components, the technical problem below the injection hole was solved, enabling rapid and uniform impregnation of the electrolyte against the electrode assembly, thus improving the injection speed and production efficiency.
Patent Information
- Application Number
- CN202423134589.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-18
- Publication Date
- 2025-12-09
- Estimated Expiration
- 2034-12-18
AI Technical Summary
The electrolyte injection port on the cover or casing of existing batteries means that the electrolyte can only wet the electrode group below the injection port, resulting in long electrode group immersion time, slow injection speed, and low production efficiency.
An impregnation tank and a flow-through hole are provided on the insulating component. After the electrolyte enters the impregnation tank through the injection hole, it flows to different areas and flows into the electrode group side through the flow-through hole, thereby achieving multi-area impregnation of the electrode group.
By designing the immersion tank and the flow-through holes, rapid and uniform immersion of the electrolyte into the electrode assembly is achieved, improving production efficiency and the overall performance of the battery.
Smart Images
Figure CN223651622U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of battery technology, and in particular to a carrier component for an injection hole and a battery. Background Technology
[0002] Currently, the battery cover or casing has an injection port. During injection, the electrolyte enters the battery directly through the injection port. However, during injection, the electrolyte can only wet the electrode assembly below the injection port. The electrode assembly wettability time is long and the injection speed is slow, which greatly reduces production efficiency. Utility Model Content
[0003] The purpose of this application is to provide a carrier component for the injection port and a battery, which to a certain extent solves the technical problem in the prior art where the battery cover or casing is provided with an injection port, and during injection, the electrolyte can only wet the electrode group below the injection port, resulting in a long immersion time for the electrode group and a slow injection speed, which greatly reduces production efficiency.
[0004] This application provides a support assembly for an injection hole, comprising: a support member and an insulating member; wherein, along a first preset direction, the insulating member is disposed on one side of the support member; the support member has an injection hole, the insulating member has an immersion groove, and the immersion groove is connected to the injection hole; the wall of the immersion groove has a plurality of guiding holes, and any one of the guiding holes is connected to the immersion groove and the electrode group side of the battery respectively.
[0005] In the above technical solution, the impregnation tank further includes a first impregnation tank, which extends along a second preset direction, and the tank wall of the first impregnation tank is formed with a plurality of the aforementioned guiding holes.
[0006] In any of the above technical solutions, the second preset direction is further defined as the length direction of the bearing member or a direction that forms an acute or obtuse angle with the width direction of the bearing member.
[0007] In any of the above technical solutions, further, along the second preset direction, the plurality of guiding holes cover the entire length of the first immersion tank.
[0008] In any of the above technical solutions, further, the plurality of guiding holes are arranged sequentially and evenly at intervals along the second preset direction.
[0009] In any of the above technical solutions, the immersion tank further includes a second immersion tank, which extends along a third preset direction, and the wall of the second immersion tank is formed with a plurality of the aforementioned guiding holes.
[0010] In any of the above technical solutions, the third preset direction is further defined as the length direction of the bearing member or a direction that forms an acute angle with the width direction of the bearing member.
[0011] In any of the above technical solutions, further, along the third preset direction, a plurality of the guiding holes cover the entire length of the second immersion tank.
[0012] In any of the above technical solutions, further, the plurality of guiding holes are arranged sequentially and evenly at intervals along the third preset direction.
[0013] In any of the above technical solutions, further, along the first preset direction, the impregnation groove protrudes from the body portion of the insulating member, and the bottom wall and / or side wall of the impregnation groove are formed with the guiding hole.
[0014] In any of the above technical solutions, the height of the impregnation groove protruding from the body portion of the insulating member is h, and h ≥ 1 mm.
[0015] In any of the above technical solutions, the height of the impregnation groove protruding from the body portion of the insulating member is h, and the insulating member is further formed with a support protrusion protruding from the body portion of the insulating member along a first preset direction, and the height of the support protrusion protruding from the body portion of the insulating member is H, and h≤H.
[0016] In any of the above technical solutions, further, along a direction perpendicular to the first preset direction, a plurality of the guiding holes cover the entire length of the immersion tank.
[0017] This application also provides a battery, including a housing, an electrode assembly, and a support assembly for the injection hole as described in any of the above-mentioned technical solutions, wherein the electrode assembly is disposed within the housing, and the support assembly for the injection hole is mounted on the open end of the housing. Therefore, all the beneficial technical effects of having this support assembly for the injection hole will not be elaborated further here.
[0018] Compared with the prior art, the beneficial effects of this application are as follows:
[0019] In the electrolyte injection port carrier assembly provided in this application, an impregnation groove is formed on the insulating component, such as the plastic part below. The electrolyte entering through the injection port will flow along the impregnation groove to different areas, and then flow into the electrode assembly side through the guide hole, thereby impregnating different areas of the electrode assembly, accelerating the impregnation speed, improving production efficiency, and improving the overall uniformity of the electrode assembly impregnation, thus improving the overall performance of the battery. Attached Figure Description
[0020] To more clearly illustrate the technical solutions in the specific embodiments of this application or the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this application. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.
[0021] Figure 1 This is a schematic diagram of the structure of the support component for the injection hole provided in an embodiment of this application;
[0022] Figure 2 This is another structural schematic diagram of the support component for the injection hole provided in an embodiment of this application;
[0023] Figure 3 This is a schematic diagram of the structure of the insulating component provided in the embodiments of this application;
[0024] Figure 4 for Figure 3 A partially enlarged structural diagram;
[0025] Figure 5 Another structural schematic diagram of the support component for the injection hole provided in the embodiments of this application;
[0026] Figure 6 for Figure 5 A sectional view along section AA;
[0027] Figure 7 for Figure 6 A partially enlarged structural diagram.
[0028] Figure label:
[0029] 1-Bearing component, 11-Injection hole, 2-Insulating component, 21-Body, 22-Immersion tank, 221-First immersion tank, 222-Second immersion tank, 223-Guiding hole, 23-Supporting protrusion. Detailed Implementation
[0030] The technical solutions of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are some embodiments of this application, but not all embodiments.
[0031] The components of the embodiments of this application described and shown in the accompanying drawings can be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of this application provided in the drawings is not intended to limit the scope of the claimed application, but merely to illustrate selected embodiments of the application.
[0032] Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.
[0033] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0034] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.
[0035] The following reference Figures 1 to 7 This application describes a carrier component for an injection port and a battery according to some embodiments thereof.
[0036] Example 1
[0037] See Figures 1 to 7 As shown, an embodiment of this application provides a support assembly for an injection hole, including: a support member 1 and an insulating member 2. It should be noted that: in this embodiment, the support member 1 is a battery cover, and this will be used as an example in the following description. Of course, the support member is not limited to a battery cover; it can also be a battery casing, etc., depending on actual needs. Along a first preset direction, the insulating member 2 is disposed on one side of the support member 1, such as the cover. The support member 1, such as the cover, has an injection hole 11, and the insulating member 2 has an immersion groove 22, which is connected to the injection hole 11. It should be noted that: when the support member 1 is a battery casing, the injection hole 11 can be directly opened on the casing. The wall of the immersion groove 22 has a plurality of guiding holes 223, and any one of the guiding holes 223 is connected to the immersion groove 22 and the electrode group side of the battery, respectively.
[0038] As can be seen from the structure described above, in the electrolyte injection hole bearing assembly provided in this application, an impregnation groove 22 is opened on the insulating component 2, such as the plastic part below. The electrolyte entering through the electrolyte injection hole 11 will flow along the impregnation groove 22 to different areas, and then flow into the electrode group side through the guide hole 223, thereby impregnating different areas of the electrode group, accelerating the impregnation speed, improving production efficiency, and improving the overall uniformity of the electrode group impregnation, thus improving the overall performance of the battery.
[0039] Furthermore, preferably, multiple guide holes 223 extend along the entire length of the immersion tank 22 in a direction perpendicular to the first preset direction. That is, the immersion tank 22 extends both laterally and longitudinally. Lateral extension refers to extending along a direction parallel to the large surface of the supporting member 1, such as the cover plate, while longitudinal extension refers to extending along the thickness direction of the supporting member 1, such as the cover plate, which is also the depth direction of the immersion tank 22. Therefore, the multiple guide holes 223 are arranged sequentially and at intervals laterally, thus covering the entire length of the immersion tank 22. The electrolyte in the immersion tank 22 can flow into different areas of the electrode assembly through the guide holes 223 at different locations. Of course, this is not limited to the above structure. That is, the multiple guide holes 223 may not cover the entire length of the immersion tank 22, or may only cover a portion of the structure of the immersion tank 22, depending on actual needs. In addition, multiple guide holes 223 may also be provided in the longitudinal extension direction, i.e., the depth direction of the immersion tank 22.
[0040] In this embodiment, preferably, as follows: Figures 2 to 4 As shown, the immersion tank 22 includes a first immersion tank 221, which extends along a second preset direction, and the tank wall of the first immersion tank 221 is formed with a plurality of guide holes 223.
[0041] As can be seen from the structure described above, along the second preset direction, the electrolyte flowing out of the first wetting tank 221 can wet different areas of the electrode assembly, thereby improving the wetting effect.
[0042] In this embodiment, preferably, as follows: Figure 2 As shown, the second preset direction is the length direction of the bearing member 1, such as the cover plate. By making full use of the space, more areas of the electrode assembly can be wetted within the limited length space of the insulating member 2, thereby improving the wetting effect.
[0043] It should be noted that the second preset direction is not limited to the length direction of the supporting member 1, such as the cover plate, but can also be a direction that forms an acute or obtuse angle with the width direction of the supporting member 1, such as the cover plate, depending on the actual needs. Of course, the second preset direction is not limited to the direction defined above, and can also be other directions.
[0044] In this embodiment, preferably, as follows: Figures 2 to 4 As shown, along the second preset direction, multiple guide holes 223 cover the entire length of the first wetting tank 221. This ensures that the liquid in the first wetting tank 221 along the entire length direction flows out to the electrode group side through the guide holes 223 at the corresponding positions, thereby simultaneously wetting different areas of the electrode group.
[0045] It should be noted that the multiple guide holes 223 may not cover the entire length of the first immersion tank 221, or they may only cover a part of the structure of the immersion tank 22, depending on the actual needs.
[0046] In this embodiment, preferably, as follows: Figure 2 and Figure 4 As shown, multiple guide holes 223 are arranged at equal intervals along the second preset direction.
[0047] As can be seen from the structure described above, the guide holes 223 arranged in the above manner are more regular, improve the uniformity of wetting, and are easier to process and manufacture.
[0048] In this embodiment, preferably, as follows: Figures 2 to 4 As shown, the impregnation tank 22 also includes a second impregnation tank 222, which extends along a third preset direction, and the tank wall of the second impregnation tank 222 is formed with a plurality of guide holes 223.
[0049] As can be seen from the structure described above, along the third preset direction, the electrolyte flowing out of the second wetting tank 222 can simultaneously wet different areas of the electrode assembly, thereby improving the wetting effect.
[0050] In this embodiment, preferably, as follows: Figures 2 to 4 As shown, the third preset direction is the width direction of the bearing member 1, such as the cover plate. By making full use of the space, more areas of the electrode assembly can be wetted within the limited width space of the insulating member 2, thereby improving the wetting effect.
[0051] It should be noted that the third preset direction is not limited to the width direction of the supporting member 1, such as the cover plate, but can also be a direction that forms an acute or obtuse angle with the length direction of the supporting member 1, such as the cover plate, depending on the actual needs. Of course, the third preset direction is not limited to the direction defined above, and can also be other directions.
[0052] In this embodiment, preferably, as follows: Figure 2 and Figure 4 As shown, along the third preset direction, multiple guide holes 223 cover the entire length of the second wetting tank 222, so as to ensure that the liquid in the second wetting tank 222 along the entire length direction flows out to the electrode group side through the guide holes 223 at the corresponding positions, thereby simultaneously wetting different areas of the electrode group.
[0053] It should be noted that the multiple guide holes 223 may not cover the entire length of the second immersion tank 222, or they may only cover a part of the structure of the immersion tank 22, depending on the actual needs.
[0054] In this embodiment, preferably, as follows: Figure 2 and Figure 4 As shown, multiple guide holes 223 are arranged sequentially and evenly at intervals along a third preset direction.
[0055] As can be seen from the structure described above, the guide holes 223 arranged in the above manner are more regular, improve the uniformity of wetting, and are easier to process and manufacture.
[0056] In this embodiment, preferably, as follows: Figure 2 , Figure 6 and Figure 7 As shown, along the first preset direction, the impregnation groove 22 protrudes from the body 21 of the insulating member 2. That is, the insulating member 2 includes the body 21 and the impregnation groove 22, which is formed on the body 21. A flow-guiding hole 223 is formed on the bottom wall of the impregnation groove 22.
[0057] As can be seen from the structure described above, the impregnation tank 22 protrudes from the body of the insulating member 2, which ensures that the impregnation tank 22 has sufficient depth.
[0058] It should be noted that: the method is not limited to providing guide holes 223 only on the bottom wall of the impregnation tank 22 as described above. It is also possible to provide guide holes 223 only on the side wall of the impregnation tank 22, or to provide guide holes 223 on both the bottom wall and the side wall of the impregnation tank 22. The specific design depends on the actual needs. In particular, when the guide holes 223 are provided on the side wall of the impregnation tank 22, multiple guide holes 223 can also be provided along the first preset direction, that is, the longitudinal extension direction.
[0059] In this embodiment, preferably, as follows: Figure 7 As shown, the height of the immersion tank 22 protruding from the body 21 is h, and h ≥ 1 mm.
[0060] As can be seen from the structure described above, the protrusion height h of the immersion tank 22 is ≥1mm to ensure that the immersion tank 22 has sufficient depth to accommodate enough electrolyte, thereby achieving the effect of fully immersing different areas of the electrode assembly, and also playing a certain buffering role.
[0061] In this embodiment, preferably, as follows: Figure 2 , Figure 6 and Figure 7As shown, along the first preset direction, the height of the immersion tank 22 protruding from the body 21 is h, and the insulating member 2 is formed with a support protrusion 23 protruding toward the electrode group side of the battery. That is, the support protrusion 23 is formed on the aforementioned body 21, and along the first preset direction, the height of the support protrusion 23 protruding from the body 21 is H, and h≤H.
[0062] As can be seen from the structure described above, along the first preset direction, the support protrusion 23 will abut against the end of the electrode assembly. The height of the protrusion of the immersion groove 22 is less than the height of the support protrusion 23, thereby avoiding interference between the immersion groove 22 and the electrode assembly, thus playing the role of protecting the electrode assembly and facilitating assembly.
[0063] In this embodiment, preferably, as follows: Figure 1 and Figure 2 As shown, the load-bearing component 1, such as the cover plate, and the insulating component 2 are both rectangular structures, and their length directions are the same, and their width directions are the same. Of course, they are not limited to this, and they can also be other shapes, depending on the actual needs.
[0064] Example 2
[0065] Embodiment 2 of this application also provides a battery including the support component for the injection hole described in Embodiment 1 above. Therefore, it has all the beneficial technical effects of the support component for the injection hole. The same technical features and beneficial effects will not be repeated here.
[0066] In this embodiment, preferably, the supporting member in the aforementioned liquid injection hole supporting assembly can be a battery cover, and the battery also includes a housing and an electrode assembly; wherein, the electrode assembly is disposed inside the housing, and the cover is installed at the opening end of the housing.
[0067] As can be seen from the structure described above, in the battery provided by this application, an impregnation groove 22 is formed on the insulating component 2, such as the plastic part below. The electrolyte entering through the injection hole 11 will flow along the impregnation groove 22 to different areas, and then flow into the electrode assembly side through the guide hole 223, thereby impregnating different areas of the electrode assembly, accelerating the impregnation speed, improving production efficiency, and improving the uniformity of the overall impregnation of the electrode assembly, thus improving the overall performance of the battery.
[0068] It should be noted that: along the first preset direction, an opening is formed at one end of the housing, and the aforementioned liquid injection hole support component is installed only at this opening end; or along the first preset direction, both ends of the housing are formed with openings, and the aforementioned liquid injection hole support component is installed only at one or both opening ends simultaneously, depending on the actual needs of the design.
[0069] It should also be noted that the supporting component in the aforementioned liquid injection hole supporting assembly can also be the battery casing. In other words, the liquid injection hole can also be directly opened on the casing, depending on the actual needs.
[0070] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application.
Claims
1. A support component for an injection port, characterized in that, include: The support member and the insulating member are provided; wherein, along a first preset direction, the insulating member is disposed on one side of the support member; the support member has a liquid injection hole, the insulating member has an impregnation groove, and the impregnation groove is connected to the liquid injection hole; the wall of the impregnation groove has a plurality of flow guiding holes.
2. The support assembly for the injection hole according to claim 1, characterized in that, The immersion tank includes a first immersion tank, which extends along a second preset direction, and the tank wall of the first immersion tank is formed with a plurality of the aforementioned guide holes.
3. The support assembly for the injection hole according to claim 2, characterized in that, The second preset direction is the length direction of the bearing member or the direction that forms an acute or obtuse angle with the width direction of the bearing member.
4. The support assembly for the injection hole according to claim 2, characterized in that, Along the second preset direction, the plurality of guiding holes extend across the entire length of the first immersion tank; and / or The plurality of guide holes are arranged sequentially and evenly at intervals along the second preset direction.
5. The support assembly for the injection hole according to claim 1, characterized in that, The immersion tank further includes a second immersion tank, which extends along a third preset direction, and the wall of the second immersion tank is formed with a plurality of the aforementioned guide holes.
6. The support assembly for the injection hole according to claim 5, characterized in that, The third preset direction is the length direction of the bearing member or a direction that forms an acute angle with the width direction of the bearing member; and / or Along the third preset direction, a plurality of the guiding holes extend along the entire length of the second immersion tank; and / or The plurality of guide holes are arranged sequentially and evenly at intervals along the third preset direction.
7. The support assembly for the injection hole according to claim 1, characterized in that, Along the first preset direction, the impregnation groove protrudes from the body portion of the insulating member, and the bottom wall and / or side wall of the impregnation groove are formed with the guiding hole.
8. The support assembly for the injection hole according to claim 7, characterized in that, The height of the impregnation groove protruding from the body portion of the insulating member is h, and h ≥ 1 mm; and / or The height of the impregnation groove protruding from the body portion of the insulating member is h. The insulating member also has a support protrusion protruding from the body portion of the insulating member along a first preset direction, and the height of the support protrusion protruding from the body portion of the insulating member is H, and h≤H.
9. The support assembly for the injection hole according to any one of claims 1 to 8, characterized in that, Along a direction perpendicular to the first preset direction, a plurality of the guide holes cover the entire length of the immersion tank.
10. A battery, characterized in that, It includes a support assembly for the injection hole as described in any one of claims 1 to 9, wherein the support member of the support assembly for the injection hole is a shell or a cover plate.