CN219959365U - Insulating part for large cylindrical battery - Google Patents
Insulating part for large cylindrical battery Download PDFInfo
- Publication number
- CN219959365U CN219959365U CN202320975027.7U CN202320975027U CN219959365U CN 219959365 U CN219959365 U CN 219959365U CN 202320975027 U CN202320975027 U CN 202320975027U CN 219959365 U CN219959365 U CN 219959365U
- Authority
- CN
- China
- Prior art keywords
- sealing part
- battery
- pole
- shell
- utility
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 239000013013 elastic material Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 8
- 239000004020 conductor Substances 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 239000011810 insulating material Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
The utility model provides an insulating part for a large cylindrical battery, which comprises a pole sealing part and a shell sealing part, wherein the pole sealing part is integrally arranged at the top of the shell sealing part, and the shell sealing part is in through connection with the pole sealing part; the pole sealing part and the shell sealing part are of cylindrical structures with openings at bottoms, and the cross section diameter of the shell sealing part is larger than that of the pole sealing part. The utility model is sleeved at the end part of the battery, isolates the electrode of the battery from contacting with the outside, is applicable to large cylindrical batteries, prevents the electrode of the battery from contacting with the outside conductor to cause short circuit, improves the safety of the battery in the process of circulation of each procedure, and simultaneously can prevent dust and other foreign matters from entering the battery.
Description
Technical Field
The utility model belongs to the field of rechargeable secondary batteries, and particularly relates to an insulating part for a large cylindrical battery.
Background
The positive pole of traditional cylindrical battery is the positive pole terminal point, and the negative pole is whole casing, and positive and negative pole contact can lead to the battery short circuit to take place dangerous, needs insulating material to guarantee safety, generally uses insulating gasket to avoid the short circuit of electrified battery to take place, and this kind of gasket needs special grinding apparatus to cut and need fixing device, non-reuse, and the cost increases, and insulating gasket's use can increase the inactive composition of battery, reduces the energy density of battery. Along with the development of large cylindrical batteries, the positive electrode and the negative electrode are arranged on one side, so that the volume energy density of a battery pack is improved, the existing insulating sheet is not suitable for the large cylindrical batteries, and the processing requirements of insulating and randomly disassembling the large cylindrical batteries in the battery processing process can not be met.
Disclosure of Invention
In view of the above, the present utility model aims to provide a large cylindrical battery liquid injection needle to solve the above technical problems.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows:
an insulating part for a large cylindrical battery comprises a pole sealing part and a shell sealing part, wherein the pole sealing part is integrally arranged at the top of the shell sealing part, and the shell sealing part is in through connection with the pole sealing part; the pole sealing part and the shell sealing part are of cylindrical structures with openings at bottoms, and the cross section diameter of the shell sealing part is larger than that of the pole sealing part.
Further, the top edges of the pole sealing part and the shell sealing part are provided with chamfers.
Further, the pole sealing part and the housing sealing part are both made of elastic materials.
Compared with the prior art, the large cylindrical battery liquid injection needle has the following beneficial effects:
(1) The utility model provides an insulating part for a large cylindrical battery, which is sleeved at the end part of the battery to isolate the electrode of the battery from contacting with the outside, and can be suitable for the large cylindrical battery to prevent the electrode of the large cylindrical battery from contacting with an outside conductor to cause short circuit, thereby improving the safety of the battery in the process of each procedure circulation and simultaneously avoiding dust and other foreign matters from entering the battery.
(2) The utility model provides an insulating part for a large cylindrical battery, which is made of elastic materials, and can buffer collision stress of the battery and prevent damage of electrodes.
(3) The utility model provides an insulating part for a large cylindrical battery, which has the advantages of simple manufacturing process, low cost, easiness in installation, no need of a fixing device and simplicity and convenience in use method.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a front view of the present utility model;
fig. 3 is a schematic view of the installation of the present utility model.
Reference numerals illustrate:
1-a pole seal; 2-a housing seal; 3-cell.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other.
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", etc. may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in fig. 1 and 2, the insulating component for a large cylindrical battery provided by the utility model comprises a pole sealing part 1 and a shell sealing part 2, wherein the pole sealing part 1 is integrally formed at the top of the shell sealing part 2, and the shell sealing part 2 is in through connection with the pole sealing part 1; the pole sealing part 1 and the shell sealing part 2 are of cylindrical structures with openings at bottoms, and the diameter of the section of the shell sealing part 2 is larger than that of the pole sealing part 1. When in use, the shell sealing part 2 is sleeved at the end part of the shell of the battery 3, and the electrode post sealing part 1 covers the electrode of the battery 3. The top edges of the pole sealing part 1 and the shell sealing part 2 are provided with chamfers. The pole sealing part 1 and the shell sealing part 2 are made of elastic materials, so that collision stress of the battery 3 can be buffered, and electrode damage is prevented. Preferably, the pole sealing part 1 and the housing sealing part 2 are made of polyolefin or rubber containing fluorine, and the above materials can resist electrolyte corrosion.
The shell sealing part is sleeved at the end part of the battery shell, and the pole sealing part is used for wrapping the electrode, isolating the battery electrode from external contact, preventing the battery electrode from being in contact with an external conductor to cause short circuit, improving the safety of the battery in the process of each procedure circulation, and simultaneously avoiding foreign matters such as dust from entering the battery.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model, and are intended to be included within the scope of the claims and description.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Claims (3)
1. An insulating member for a large cylindrical battery, characterized in that: the device comprises a pole sealing part and a shell sealing part, wherein the pole sealing part is integrally arranged at the top of the shell sealing part, and the shell sealing part is in through connection with the pole sealing part; the pole sealing part and the shell sealing part are of cylindrical structures with openings at bottoms, and the cross section diameter of the shell sealing part is larger than that of the pole sealing part.
2. An insulating member for a large cylindrical battery according to claim 1, wherein: and chamfers are arranged at the top edges of the pole sealing part and the shell sealing part.
3. An insulating member for a large cylindrical battery according to claim 1, wherein: the pole sealing part and the shell sealing part are made of elastic materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320975027.7U CN219959365U (en) | 2023-04-26 | 2023-04-26 | Insulating part for large cylindrical battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320975027.7U CN219959365U (en) | 2023-04-26 | 2023-04-26 | Insulating part for large cylindrical battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219959365U true CN219959365U (en) | 2023-11-03 |
Family
ID=88551781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320975027.7U Active CN219959365U (en) | 2023-04-26 | 2023-04-26 | Insulating part for large cylindrical battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219959365U (en) |
-
2023
- 2023-04-26 CN CN202320975027.7U patent/CN219959365U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |