CN220306483U - Sealing nozzle for battery liquid injection and liquid injection rod with sealing nozzle - Google Patents
Sealing nozzle for battery liquid injection and liquid injection rod with sealing nozzle Download PDFInfo
- Publication number
- CN220306483U CN220306483U CN202321817986.2U CN202321817986U CN220306483U CN 220306483 U CN220306483 U CN 220306483U CN 202321817986 U CN202321817986 U CN 202321817986U CN 220306483 U CN220306483 U CN 220306483U
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- CN
- China
- Prior art keywords
- sealing nozzle
- groove
- liquid injection
- nozzle body
- sealing
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- 238000007789 sealing Methods 0.000 title claims abstract description 130
- 239000007788 liquid Substances 0.000 title claims abstract description 59
- 238000002347 injection Methods 0.000 title claims abstract description 55
- 239000007924 injection Substances 0.000 title claims abstract description 55
- 210000005056 cell body Anatomy 0.000 abstract description 8
- 238000002425 crystallisation Methods 0.000 abstract description 3
- 230000008025 crystallization Effects 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 3
- 239000003792 electrolyte Substances 0.000 description 6
- 239000013078 crystal Substances 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
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
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model discloses a sealing nozzle for battery liquid injection, which comprises a cylindrical sealing nozzle body, wherein a first groove body is concavely arranged on the end surface of the sealing nozzle body, which is used for being abutted with a pouring port of a sleeve cup; the outer side wall of the sealing nozzle body is provided with a second groove body which is arranged around the central axis of the sealing nozzle body. From this, through the terminal surface indent that corresponds on the sealing nozzle body sets up first cell body, this first cell body can be better laminating with cambered surface or conical surface on the pouring jacket mouth to the gas tightness when sealing nozzle body and pouring jacket mouth contact has been improved. In addition, through seting up the second cell body on the lateral wall of sealing nozzle body, this second cell body can let sealing nozzle body and the pouring jacket of cup have certain extension length when annotating the liquid mouth looks butt for still can guarantee when crystallization exists sealing nozzle body and pouring jacket of cup gas tightness when annotating the liquid mouth contact, thereby improved sealing nozzle's compatibility, reduced the frequency of changing sealing nozzle. In addition, the utility model also provides a liquid injection rod with the sealing nozzle.
Description
Technical Field
The utility model relates to the field of battery liquid injection devices, in particular to a sealing nozzle for battery liquid injection and a liquid injection rod with the sealing nozzle.
Background
In the production process of the lithium battery, electrolyte is required to be hydraulically injected into the battery core, the existing lithium battery generally adopts a manual liquid injection mode or an automatic liquid injection mode, in the automatic liquid injection mode, the battery shell is required to be vacuumized before liquid injection, a vacuum pump is connected in a vacuumizing process through a pipeline, and the internal space of the battery is vacuumized by the vacuum pump so as to achieve the purpose of vacuum, so that the next liquid injection process is better carried out.
When the liquid injection station is vacuumized, the electrolyte is possibly gasified, and the gasified electrolyte is easily volatilized to the sealing nozzle of the liquid injection rod. The existing sealing nozzle is generally cylindrical plane head type, when electrolyte volatilizes to the sealing nozzle and forms crystals, the sealing nozzle and the cup sleeve nozzle are easily caused to be incapable of being tightly attached, and poor air tightness is further caused, so that the sealing nozzle needs to be frequently replaced, and the later maintenance cost is high.
Disclosure of Invention
In order to overcome the defects in the prior art, the utility model provides the sealing nozzle for battery liquid injection and the liquid injection rod with the sealing nozzle.
The utility model adopts the technical proposal for solving the problems that:
the sealing nozzle for battery liquid injection comprises a cylindrical sealing nozzle body, wherein a first groove body is concavely arranged on the end face of the sealing nozzle body, which is used for being abutted against a sleeve cup liquid injection port; the outer side wall of the sealing nozzle body is provided with a second groove body which is arranged around the central axis of the sealing nozzle body.
From this, through the terminal surface indent that corresponds on the sealing nozzle body sets up first cell body, this first cell body can be better laminating with cambered surface or conical surface on the pouring jacket mouth to the gas tightness when sealing nozzle body and pouring jacket mouth contact has been improved. In addition, through seting up the second cell body on the lateral wall of sealing nozzle body, this second cell body can let sealing nozzle body and the pouring jacket of cup have certain extension length when annotating the liquid mouth looks butt for still can guarantee when crystallization exists sealing nozzle body and pouring jacket of cup gas tightness when annotating the liquid mouth contact, thereby improved sealing nozzle's compatibility, reduced the frequency of changing sealing nozzle, and then reduced later stage use cost.
Further, the first groove body is a conical table groove or an arc conical table groove.
Further, the depth a of the conical table groove or the circular arc conical table groove accounts for 8% -45% of the radius b of the sealing nozzle body.
Further, the depth a of the conical frustum groove or the circular arc conical frustum groove is 1.5mm, and the radius b of the sealing nozzle body is 15mm.
Further, the second groove body is a circular groove.
Further, the thickness c of the annular groove accounts for 12% -48% of the thickness d of the sealing nozzle body.
Further, the thickness c of the annular groove is 1.5mm, and the thickness d of the sealing nozzle body is 10mm.
Further, the outer circle radius of the annular groove is the radius b of the sealing nozzle body, and the inner circle radius e of the annular groove accounts for 58% -82% of the radius b of the sealing nozzle body.
Further, the outer circle radius of the annular groove is 15mm, and the inner circle radius e of the annular groove is 11.5mm.
In addition, the utility model also provides a liquid injection rod, which comprises the sealing nozzle for battery liquid injection and a liquid injection rod body, wherein a third groove body with an upper opening and a lower opening is arranged in the middle of the sealing nozzle body, and the sealing nozzle body is sleeved at the bottom of the liquid injection rod body through the third groove body.
In summary, the sealing nozzle for battery liquid injection and the liquid injection rod with the sealing nozzle have the following beneficial effects:
(1) According to the sealing nozzle for battery liquid injection, the end face, which is used for being abutted against the sealing nozzle, of the sleeve cup liquid injection port is the cambered surface or the conical surface, and the first groove body is concavely arranged on the corresponding end face of the sealing nozzle body and can be better attached to the cambered surface or the conical surface of the sleeve cup liquid injection port, so that the air tightness of the sealing nozzle body when the sealing nozzle body is contacted with the sleeve cup liquid injection port is improved.
(2) According to the sealing nozzle for battery liquid injection, the second groove body is formed in the outer side wall of the sealing nozzle body, when electrolyte crystals are arranged on the end face, which is used for being abutted against the pouring opening of the sleeve cup, of the sealing nozzle body, the second groove body can enable the sealing nozzle body to have a certain extension length when the sealing nozzle body is abutted against the pouring opening of the sleeve cup, so that the air tightness of the sealing nozzle body when the sealing nozzle body is in contact with the pouring opening of the sleeve cup can be ensured when crystals exist, compatibility of the sealing nozzle is improved, frequency of replacing the sealing nozzle is reduced, and later use cost is further reduced.
Drawings
FIG. 1 is a schematic view showing the structure of a sealing nozzle for battery liquid injection according to the present utility model;
FIG. 2 is a top view of a sealing nozzle for battery injection according to the present utility model;
fig. 3 is a section A-A of fig. 2.
Wherein the reference numerals have the following meanings:
1. a sealing nozzle body; 2. a first tank body; 3. a second tank body; 4. a third tank;
a-first groove depth; b-radius of the sealing nozzle body; c-the thickness of the second groove body; d-sealing mouth body thickness; e-the inner radius of the second groove body; f-inclination angle of the first tank body.
Detailed Description
For a better understanding and implementation, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model.
In the description of the present utility model, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the modules 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.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.
Referring to fig. 1-3, the utility model provides a sealing nozzle for battery liquid injection, which comprises a cylindrical sealing nozzle body 1, wherein a first groove body 2 is concavely arranged on the end surface of the sealing nozzle body 1, which is used for being abutted with a pouring port (not shown in the figure) of a sleeve cup; the outer side wall of the sealing nozzle body 1 is provided with a second groove body 3 which is arranged around the central axis of the sealing nozzle body. Specifically, the end surface of the pouring port of the sleeve cup, which is used for being abutted against the sealing nozzle body 1, is a conical surface, and the first groove body 2 is a conical table groove corresponding to the first groove body; the second groove body 3 is a circular groove.
From this, through the terminal surface indent that corresponds on sealing nozzle body 1 sets up the circular cone bench groove, this circular cone bench groove can better laminating with the conical surface on the pouring jacket mouth to the gas tightness when sealing nozzle body 1 and pouring jacket mouth contact has been improved. In addition, through offer the annular recess on the lateral wall of sealing nozzle body 1, this annular recess can let sealing nozzle body 1 have certain extension length when pouring into the liquid mouth looks butt with the cover cup for still can guarantee the gas tightness when this sealing nozzle body 1 and the contact of pouring into the liquid mouth with the cover cup when crystallization exists, thereby improved sealing nozzle's compatibility, reduced the frequency of changing sealing nozzle, the amount of money reduces later stage use cost.
In this embodiment, the depth a of the conical table groove is 1.5mm, and the inclination angle f of the conical table groove is 9.46 °; the radius b of the sealing nozzle body 1 is 15mm and the thickness d is 10mm.
Of course, in other embodiments, if the end surface of the pouring spout of the bowl for abutting against the sealing nozzle body 1 is a cambered surface, the first groove 2 may be provided as a circular arc taper groove correspondingly. Thus, the shape of the first groove body 2 is not limited as long as it is ensured that the shape matches with the end face corresponding to the pouring port of the jacket.
In addition, in other embodiments, the first groove body 2 may be provided with other depth a, as long as the depth a is 8% -45% of the radius b of the sealing nozzle body 1, which is not limited herein.
In addition, in the present embodiment, the thickness c of the annular groove is 1.5mm, the outer circle radius is 15mm, and the inner circle radius e is 11.5mm.
It should be noted that, in other embodiments, the second groove body 3 may be configured in other shapes, such as a spiral shape, so long as the second groove body 3 is configured around the central axis of the sealing nozzle body 1, a certain extension length of the sealing nozzle body 1 in the circumferential direction may be ensured.
Of course, in other embodiments, the second groove body 3 with other thickness may be provided, as long as the thickness c of the second groove body 3 is ensured to be 12% -48% of the thickness d of the sealing nozzle body 1; the second groove body 3 with other inner radius can be arranged, as long as the inner radius e of the second groove body 3 is 58% -82% of the radius b of the sealing nozzle body 1, and the sealing nozzle is not limited.
In the present embodiment, the second groove 3 is opened at a middle position in the thickness direction of the sealing nozzle body 1, and in other embodiments, the second groove 3 may be provided at other positions in the thickness direction of the sealing nozzle body 1, which is not limited herein.
In addition, the utility model also provides a liquid injection rod (not shown in the figure), which comprises the sealing nozzle and the liquid injection rod (not shown in the figure), wherein the middle part of the sealing nozzle body 1 is provided with a third groove body 4 with an upper opening and a lower opening, and the sealing nozzle body 1 is sleeved at the bottom of the liquid injection rod through the third groove body 4.
In summary, the sealing nozzle for battery liquid injection and the liquid injection rod with the sealing nozzle have the following beneficial effects:
according to the sealing nozzle for battery liquid injection, as the end face of the sleeve cup liquid injection port, which is used for being abutted against the sealing nozzle body, is the cambered surface or the conical surface, and the first groove body 2 is arranged on the corresponding end face of the sealing nozzle body 1 in a concave manner, the first groove body 2 can be better attached to the cambered surface or the conical surface on the sleeve cup liquid injection port, so that the air tightness of the sealing nozzle body 1 when the sealing nozzle body is contacted with the sleeve cup liquid injection port is improved.
And (II) the sealing nozzle for battery liquid injection is characterized in that the second groove body 3 is formed in the outer side wall of the sealing nozzle body 1, when electrolyte crystals are arranged on the end face, which is used for being abutted against the pouring opening of the sleeve cup, of the sealing nozzle body 1, the second groove body 3 can enable the sealing nozzle body 1 to have a certain extension length when being abutted against the pouring opening of the sleeve cup, so that the air tightness of the sealing nozzle body 1 when the crystals exist in contact with the pouring opening of the sleeve cup can be ensured, the compatibility of the sealing nozzle is improved, the frequency of replacing the sealing nozzle is reduced, and the later use cost is reduced.
It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or be indirectly connected to the other element.
It should be understood that the terms "top," "bottom," "inner," "outer," and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the modules 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, in the description of the present utility model, the meaning of "a plurality", "a number" is two or more, unless explicitly defined otherwise.
The technical means disclosed by the scheme of the utility model is not limited to the technical means disclosed by the embodiment, and also comprises the technical scheme formed by any combination of the technical features. It should be noted that modifications and adaptations to the utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (10)
1. The sealing nozzle for battery liquid injection is characterized by comprising a cylindrical sealing nozzle body (1), wherein a first groove body (2) is concavely arranged on the end surface of the sealing nozzle body (1) which is used for being abutted against a pouring port of a sleeve cup; the outer side wall of the sealing nozzle body (1) is provided with a second groove body (3) which is arranged around the central axis of the sealing nozzle body.
2. The sealing nozzle for battery liquid injection according to claim 1, wherein the first groove body (2) is a conical groove or a circular arc conical groove.
3. The sealing nozzle for battery liquid injection according to claim 2, wherein the depth a of the conical frustum groove or the circular arc conical frustum groove accounts for 8% -45% of the radius b of the sealing nozzle body (1).
4. A sealing nozzle for battery filling according to claim 3, wherein the depth a of the conical or circular-arc conical groove is 1.5mm, and the radius b of the sealing nozzle body (1) is 15mm.
5. The sealing nozzle for battery filling according to claim 1, wherein the second groove body (3) is an annular groove.
6. The sealing nozzle for battery liquid injection according to claim 5, wherein the thickness c of the annular groove accounts for 12% -48% of the thickness d of the sealing nozzle body (1).
7. The sealing nozzle for battery liquid injection according to claim 6, wherein the thickness c of the annular groove is 1.5mm, and the thickness d of the sealing nozzle body (1) is 10mm.
8. The sealing nozzle for battery liquid injection according to claim 5, wherein the outer circle radius of the circular groove is the radius b of the sealing nozzle body (1), and the inner circle radius e of the circular groove accounts for 58% -82% of the radius b of the sealing nozzle body (1).
9. The sealing nozzle for battery injection according to claim 8, wherein the outer circle radius of the circular groove is 15mm, and the inner circle radius e of the circular groove is 11.5mm.
10. The battery liquid injection rod is characterized by comprising the sealing nozzle for battery liquid injection and a liquid injection rod body, wherein a third groove body (4) with an upper opening and a lower opening is formed in the middle of the sealing nozzle body (1), and the sealing nozzle body (1) is sleeved at the bottom of the liquid injection rod body through the third groove body (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321817986.2U CN220306483U (en) | 2023-07-11 | 2023-07-11 | Sealing nozzle for battery liquid injection and liquid injection rod with sealing nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321817986.2U CN220306483U (en) | 2023-07-11 | 2023-07-11 | Sealing nozzle for battery liquid injection and liquid injection rod with sealing nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220306483U true CN220306483U (en) | 2024-01-05 |
Family
ID=89352770
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321817986.2U Active CN220306483U (en) | 2023-07-11 | 2023-07-11 | Sealing nozzle for battery liquid injection and liquid injection rod with sealing nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220306483U (en) |
-
2023
- 2023-07-11 CN CN202321817986.2U patent/CN220306483U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |