CN215184455U - A rubber nail for lithium cell annotates liquid mouth - Google Patents
A rubber nail for lithium cell annotates liquid mouth Download PDFInfo
- Publication number
- CN215184455U CN215184455U CN202120645861.0U CN202120645861U CN215184455U CN 215184455 U CN215184455 U CN 215184455U CN 202120645861 U CN202120645861 U CN 202120645861U CN 215184455 U CN215184455 U CN 215184455U
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- CN
- China
- Prior art keywords
- glue nail
- hole
- glue
- nail
- liquid mouth
- 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.)
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- 239000007788 liquid Substances 0.000 title claims abstract description 51
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 33
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 33
- 239000003292 glue Substances 0.000 claims abstract description 58
- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000002347 injection Methods 0.000 claims description 15
- 239000007924 injection Substances 0.000 claims description 15
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 claims description 10
- DSSYKIVIOFKYAU-XCBNKYQSSA-N (R)-camphor Chemical compound C1C[C@@]2(C)C(=O)C[C@@H]1C2(C)C DSSYKIVIOFKYAU-XCBNKYQSSA-N 0.000 claims description 5
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 5
- 241000723346 Cinnamomum camphora Species 0.000 claims description 5
- 229960000846 camphor Drugs 0.000 claims description 5
- 229930008380 camphor Natural products 0.000 claims description 5
- 229910052740 iodine Inorganic materials 0.000 claims description 5
- 239000011630 iodine Substances 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 5
- 239000010432 diamond Substances 0.000 claims description 3
- 239000003792 electrolyte Substances 0.000 claims 4
- 239000001307 helium Substances 0.000 abstract description 28
- 229910052734 helium Inorganic materials 0.000 abstract description 28
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract description 28
- 229910052751 metal Inorganic materials 0.000 abstract description 16
- 239000002184 metal Substances 0.000 abstract description 16
- 238000003466 welding Methods 0.000 abstract description 16
- 238000001514 detection method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 239000007789 gas Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 238000000859 sublimation Methods 0.000 description 3
- 230000008022 sublimation Effects 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000008707 rearrangement Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Sealing Battery Cases Or Jackets (AREA)
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model belongs to the technical field of the lithium cell, a glue nail for lithium cell annotates liquid mouth is disclosed, this a glue nail for lithium cell annotates liquid mouth, and the glue nail body is provided with the through-hole, the axial of through-hole and the axial direction parallel of glue nail body, and the sealing member is fixed to be set up in the glue nail body, and the sealing member can seal the through-hole, reaches the settlement temperature when the temperature, and the sealing member can sublime. Will be used for the lithium cell to annotate the gluey nail of liquid mouth and fill in behind the liquid mouth, glue the nail body and annotate liquid mouth interference fit, the sealing member seals the through-hole, guarantee that the inside helium of battery can not reveal before the sealed lid of welding metal, the temperature when the sealed lid of welding metal reaches the settlement temperature, the sealing member sublimes and makes the through-hole expose, the helium can be followed the through-hole and escaped, when carrying out helium after the welding of accomplishing the sealed lid of metal and examining, if welding the sealed lid in-process goes wrong, then can detect there is the helium escape, guarantee the accuracy that the helium was examined, improve the detection ability of bad battery, guarantee the security of battery.
Description
Technical Field
The utility model relates to a lithium cell technical field especially relates to a rubber nail for lithium cell annotates liquid mouth.
Background
The lithium battery has the advantages of high voltage, large specific energy, stable discharge voltage, good cycle performance, excellent safety performance, long storage and working life and the like, and is one of the latest development directions of the chemical power supply industry at present. In the lithium cell production process, after the battery annotates liquid and accomplishes, need seal the battery, need inject special gas such as a certain amount of helium into the battery before sealed to after sealed, through the notes liquid mouth department that detects the battery whether have gas leakage, detect the leakproofness of battery. The existing sealing mode is that a rubber nail is firstly plugged into a liquid injection port of a battery, helium is filled into the interior of a battery cell by pumping negative pressure, sealing rubber particles are pressed to be flush with the liquid injection port, and then a metal sealing cover is covered on the liquid injection port and laser welding is carried out. However, helium gas filled in the battery cannot leak due to interference fit of the existing glue nail and the liquid filling opening, even if a problem occurs in the process of welding the metal sealing cover, the helium detection equipment can also judge the problem battery to be a qualified battery, the glue nail of the problem battery is easy to loosen during long-time transportation and use, so that the leakage of the battery is caused, and great potential safety hazards exist.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a glue nail for lithium cell annotates liquid mouth to solve current glue nail and annotate liquid mouth interference fit and make the helium that fills into the battery can't spill, even the in-process of welding the sealed lid of metal goes wrong, helium is examined equipment and also can be judged the problem battery and be qualified battery, has the problem of great potential safety hazard.
To achieve the purpose, the utility model adopts the following technical proposal:
a kind of glue nail used for lithium battery to annotate the liquid mouth, including:
the glue nail comprises a glue nail body, wherein the glue nail body is provided with a through hole, and the axial direction of the through hole is parallel to the axial direction of the glue nail body;
the sealing piece is fixedly arranged on the rubber nail body, the through hole can be sealed by the sealing piece, and the sealing piece can sublimate when the temperature reaches the set temperature.
Preferably, the sealing member is made of one or more materials of camphor, iodine or naphthalene.
Preferably, the number of the through holes is multiple, and the through holes are arranged at intervals around the axis of the glue nail body.
Preferably, the shape of the through hole is circular, square or diamond.
Preferably, the diameter of the through hole is 0.5mm to 1 mm.
Preferably, the glue nail body include base and fixed connection in the connector of base, the base can be with annotating the liquid mouth and blockking up, the connector has the binding face that a plurality of intervals set up, and is a plurality of the binding face with annotate the inner wall laminating of liquid mouth.
Preferably, the minimum size of the distance between the inner wall of the through hole and the outer wall of the base is L, and L is more than or equal to 1mm and less than or equal to 2 mm.
Preferably, the glue nail body further comprises a tip, and the tip is fixedly connected with the connecting body.
Preferably, the rubber nail body is made of rubber materials.
A battery comprises the glue nail for the lithium battery liquid injection port.
The utility model has the advantages that: the utility model provides a glue nail for lithium cell annotates liquid mouth should be arranged in the glue nail of lithium cell notes liquid mouth, and the glue nail body is provided with the through-hole, the axial of through-hole and the axial direction parallel of glue nail body, and the sealing member is fixed to be set up in the glue nail body, and the sealing member can seal the through-hole, reaches the settlement temperature when the temperature, and the sealing member can sublime. Will be used for the lithium cell to annotate the gluey nail of liquid mouth and fill in behind the liquid mouth, glue the nail body and annotate liquid mouth interference fit, the sealing member seals the through-hole, guarantee that the inside helium of battery can not reveal before the sealed lid of welding metal, the temperature when the sealed lid of welding metal reaches the settlement temperature, the sealing member sublimes and makes the through-hole expose, the helium can be followed the through-hole and escaped, when carrying out helium after the welding of accomplishing the sealed lid of metal and examining, if the in-process of the sealed lid of welding metal goes wrong, then can detect helium and escape, guarantee the accuracy that the helium was examined, improve the detection ability of bad battery, guarantee the security of battery.
Drawings
Fig. 1 is a schematic structural diagram of a glue nail for a lithium battery liquid injection port according to an embodiment of the present invention;
fig. 2 is a schematic structural view of a glue nail body in a glue nail for a lithium battery liquid injection port according to an embodiment of the present invention.
In the figure:
11. a base; 12. a linker; 13. a tip; 14. a through hole; 121. a binding face;
2. and a seal.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some of the structures related to the present invention are shown in the drawings, not all of the structures.
In the description of the present invention, unless expressly stated or limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, e.g., as meaning permanently connected, detachably connected, or integral to one another; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", and the like are used in the orientation or positional relationship shown in the drawings only for convenience of description and simplicity of operation, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used only for descriptive purposes and are not intended to have a special meaning.
The utility model provides a glue nail for lithium cell annotates liquid mouth, this a glue nail for lithium cell annotates liquid mouth can guarantee the accuracy that helium detected, improves the detection ability of bad battery, guarantees the security of battery.
As shown in fig. 1-2, this a glue nail for lithium battery annotates liquid mouth includes glue nail body and sealing member 2, wherein, glue nail body is provided with through-hole 14, the axial of through-hole 14 and the axial direction parallel of glue nail body, and sealing member 2 is fixed to be set up in glue nail body, and sealing member 2 can seal through-hole 14, and when the temperature reached the settlement temperature, sealing member 2 can sublime. Will be used for the lithium cell to annotate the gluey nail of liquid mouth and fill in behind the liquid mouth, glue the nail body and annotate liquid mouth interference fit, sealing member 2 seals through-hole 14, guarantee that the inside helium of battery can not reveal before the sealed lid of welding metal, the temperature when the sealed lid of welding metal reaches the settlement temperature, sealing member 2 sublimes and makes through-hole 14 expose, helium can escape from through-hole 14, when carrying out helium after the welding of the sealed lid of completion metal and examining, if the sealed lid in-process of welding metal goes wrong, then can detect helium escape, guarantee the accuracy that the helium examined, improve the detection ability of bad battery, guarantee the security of battery. The set temperature in this example is the sublimation temperature of camphor, iodine or naphthalene.
Preferably, the sealing member 2 is made of one or more materials of camphor, iodine or naphthalene. The camphor, the iodine or the naphthalene are easily sublimable solids and harmless to human bodies, the through holes 14 can be sealed before sublimation, the battery is guaranteed to be sealed, the through holes 14 can be exposed after sublimation, and helium can escape from the through holes 14.
Preferably, the number of the through holes 14 is multiple, and the multiple through holes 14 are arranged at intervals around the axis of the glue nail body.
Preferably, the shape of the through-hole 14 is circular, square or diamond.
Preferably, the diameter of the through-hole 14 is 0.5mm to 1 mm. The diameter of the through hole 14 is set to be 0.5mm-1mm so that helium gas flows out of the battery to meet the requirement of helium detection.
Preferably, the glue nail body includes base 11 and connector 12 of fixed connection in base 11, and base 11 can be with annotating the liquid mouth and blockking up, and connector 12 has the laminating face 121 that a plurality of intervals set up, and a plurality of laminating faces 121 laminate with annotating the inner wall of liquid mouth. Base 11 with annotate liquid mouth interference fit, will annotate the liquid mouth sealed, the connector 12 except that all the other parts of binding face 121 all do not laminate with the inner wall of annotating the liquid mouth, can reduce the frictional resistance when the glue nail body is plugged in and annotate the liquid mouth, make things convenient for the glue nail body to be plugged in and annotate the liquid mouth.
Preferably, the minimum dimension of the inner wall of the through hole 14 from the outer wall of the base 11 is L, and L is more than or equal to 1mm and less than or equal to 2 mm. If the sealed welding process of metal cover goes wrong, helium can reveal from between the sealed lid of metal and the battery, and through-hole 14 sets up in the edge that is close to base 11, can make helium reveal fast, improves the efficiency that helium detected.
Preferably, the glue nail body further comprises a tip 13, and the tip 13 is fixedly connected with the connecting body 12. The pointed end 13 can facilitate the insertion of the glue nail body into the liquid injection port, and time and labor are saved.
Preferably, the glue nail body is made of a rubber material. The rubber has the corrosion resistance, and can prevent the corrosion of liquid in the battery for the rubber nail body.
A battery comprises the glue nail for the lithium battery liquid injection port.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Numerous obvious variations, rearrangements and substitutions will now occur to those skilled in the art without departing from the scope of the invention. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides a glue nail for lithium cell annotates liquid mouth which characterized in that includes:
the rubber nail comprises a rubber nail body, wherein the rubber nail body is provided with a through hole (14), and the axial direction of the through hole (14) is parallel to the axial direction of the rubber nail body;
the sealing element (2), the sealing element (2) is fixed set up in the rubber nail body, the sealing element (2) can with through-hole (14) seal, and when the temperature reached the settlement temperature, sealing element (2) can sublime.
2. The glue nail for the lithium battery liquid injection port according to claim 1, wherein the sealing member (2) is made of one of camphor, iodine or naphthalene.
3. The glue nail for the lithium battery liquid injection port according to claim 1, wherein the number of the through holes (14) is plural, and the plural through holes (14) are arranged at intervals around the axis of the glue nail body.
4. The glue nail for the lithium battery electrolyte injection port according to any one of claims 1-3, wherein the shape of the through hole (14) is circular, square or diamond.
5. The glue nail for the lithium battery liquid filling port according to claim 4, wherein the diameter of the through hole (14) is 0.5mm to 1 mm.
6. The glue nail for the lithium battery liquid filling opening according to any one of claims 1-3, wherein the glue nail body comprises a base (11) and a connecting body (12) fixedly connected to the base (11), the base (11) can block the liquid filling opening, the connecting body (12) has a plurality of abutting surfaces (121) arranged at intervals, and the plurality of abutting surfaces (121) abut against the inner wall of the liquid filling opening.
7. The glue nail for the lithium battery liquid injection port according to claim 6, wherein the minimum dimension of the inner wall of the through hole (14) from the outer wall of the base (11) is L, and L is larger than or equal to 1mm and smaller than or equal to 2 mm.
8. The glue nail for the lithium battery electrolyte injection port according to claim 6, wherein the glue nail body further comprises a tip (13), and the tip (13) is fixedly connected with the connecting body (12).
9. The glue nail for the lithium battery electrolyte injection port according to any one of claims 1 to 3, wherein the glue nail body is made of a rubber material.
10. A battery comprising the glue nail for a lithium battery electrolyte injection port according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120645861.0U CN215184455U (en) | 2021-03-30 | 2021-03-30 | A rubber nail for lithium cell annotates liquid mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120645861.0U CN215184455U (en) | 2021-03-30 | 2021-03-30 | A rubber nail for lithium cell annotates liquid mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215184455U true CN215184455U (en) | 2021-12-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120645861.0U Active CN215184455U (en) | 2021-03-30 | 2021-03-30 | A rubber nail for lithium cell annotates liquid mouth |
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| CN (1) | CN215184455U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118099682A (en) * | 2024-04-26 | 2024-05-28 | 蜂巢能源科技股份有限公司 | Sealing nail, battery cover plate and battery |
-
2021
- 2021-03-30 CN CN202120645861.0U patent/CN215184455U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118099682A (en) * | 2024-04-26 | 2024-05-28 | 蜂巢能源科技股份有限公司 | Sealing nail, battery cover plate and battery |
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