CN218498340U - Glue nail and battery - Google Patents
Glue nail and battery Download PDFInfo
- Publication number
- CN218498340U CN218498340U CN202221919582.XU CN202221919582U CN218498340U CN 218498340 U CN218498340 U CN 218498340U CN 202221919582 U CN202221919582 U CN 202221919582U CN 218498340 U CN218498340 U CN 218498340U
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- Prior art keywords
- groove
- temporary storage
- intercommunication
- communication
- guide
- 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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- 239000003292 glue Substances 0.000 title claims description 41
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 238000004891 communication Methods 0.000 claims abstract description 44
- 239000007788 liquid Substances 0.000 claims abstract description 39
- 238000002347 injection Methods 0.000 claims abstract description 25
- 239000007924 injection Substances 0.000 claims abstract description 25
- 238000003860 storage Methods 0.000 claims description 58
- 238000002955 isolation Methods 0.000 claims description 15
- 238000004804 winding Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 229920001971 elastomer Polymers 0.000 abstract description 21
- 239000003792 electrolyte Substances 0.000 abstract description 21
- 239000005060 rubber Substances 0.000 abstract description 21
- 238000003466 welding Methods 0.000 abstract description 18
- 239000001307 helium Substances 0.000 abstract description 13
- 229910052734 helium Inorganic materials 0.000 abstract description 13
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 abstract description 13
- 239000011244 liquid electrolyte Substances 0.000 abstract description 7
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 abstract description 4
- 229910052744 lithium Inorganic materials 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 239000002923 metal particle Substances 0.000 description 5
- 239000007789 gas Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 1
- 239000004676 acrylonitrile butadiene styrene Substances 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000000126 substance Substances 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
- Filling, Topping-Up Batteries (AREA)
Abstract
The utility model belongs to the technical field of the lithium cell, a rubber nail and battery are disclosed. Through arranging the guide groove and the communication groove which are mutually communicated on the sealing seat of the rubber nail, when the rubber nail is inserted in the liquid injection hole, helium is discharged to the outside of the shell along the guide of the guide groove and the communication groove due to smaller density of the helium, so that the welding quality can be ensured to be excellent; set up the first groove of keeping in with intercommunication groove intercommunication each other on the seal receptacle, and set up first groove of keeping in and guide way in the both sides of intercommunication groove, during the welding, the inside liquid electrolyte of casing receives high temperature volatilization, partly gaseous state electrolyte flows into first groove of keeping in along the guide way, gaseous state electrolyte constantly cools down at this in-process and liquefies, flow to inside the casing in the guide way, partly gaseous state electrolyte stores up with liquid state electrolyte in first groove of keeping in, influence that gaseous state electrolyte produces when arranging to the external world through the intercommunication groove can furthest be reduced, avoid the emergence of potential safety hazard.
Description
Technical Field
The utility model relates to a lithium battery technology field, concretely relates to glue nail and battery.
Background
The square 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 production process of the existing square lithium battery, after liquid injection is completed, the liquid injection port needs to be sealed. The glue nail is put into notes liquid mouth department commonly used when sealed, treats glue nail and annotates liquid mouth parallel and level time, uses sealed nail to weld, uses the helium to examine equipment at last and detects and annotate liquid mouth department and whether have gas leakage. The glue nail often chooses interference fit's mode to be connected with annotating the liquid mouth, and often has seted up through groove or thread groove in cooperation department in order to guarantee that helium can discharge in order to guarantee the accuracy that helium detected equipment through the glue nail.
However, when the welding is sealed, the inside electrolyte high temperature of battery volatilizees and can cause the inside atmospheric pressure of battery too high, and the atmospheric pressure too high can make the rubber nail take place to become flexible, and at this moment, electrolyte is arranged to the external world through seting up in the straight-through groove or the thread groove of rubber nail and notes liquid mouth cooperation department, leads to easily producing when welding to explode some and pinhole, appears the potential safety hazard problem.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims to solve the technical problem that can cause sealing joint and notes liquid mouth to take place not hard up when the inside atmospheric pressure of battery is too high among the prior art, electrolyte can arrange to the external world through seting up at the straight groove or the thread groove of glue nail and notes liquid mouth cooperation department this moment, the defect of the potential safety hazard problem appears easily when leading to welding.
Therefore, the utility model provides a glue nail, include:
the sealing seat is matched in the liquid injection hole of the shell;
the seal receptacle has intercommunication groove, guide way and first groove of keeping in, the guide way first groove of keeping in respectively with the intercommunication groove communicates each other, just the guide way with first groove of keeping in is located the both sides of intercommunication groove, the intercommunication groove is suitable for the outside intercommunication with the casing, the guide way is suitable for the inside intercommunication with the casing.
Alternatively, the glue nails described above may be used,
the seal receptacle still has the holding back groove and the second groove of keeping in, the holding back groove with the second keep in the groove respectively with the intercommunication groove intercommunication, just the holding back groove with the second keeps in the groove and is located the both sides of intercommunication groove, the intercommunication groove passes through the outside intercommunication of holding back groove and casing, the second keeps in the groove and is suitable for and holds external whereabouts.
Alternatively, the above-mentioned glue nails,
one end, away from the communicating groove, of the first temporary storage groove is larger than one end, close to the communicating groove, of the first temporary storage groove.
Alternatively, the above-mentioned glue nails,
the guide groove is directly communicated with the first temporary storage groove.
Alternatively, the above-mentioned glue nails,
one end, far away from the communicating groove, of the second temporary storage groove is larger than one end, close to the communicating groove, of the second temporary storage groove.
Alternatively, the glue nails described above may be used,
the isolation groove is directly communicated with the second temporary storage groove.
Alternatively, the above-mentioned glue nails,
the sealing joint is arranged at one end of the sealing seat and is suitable for penetrating into the liquid injection hole and extending into the shell; the radial dimension of the sealing joint is smaller than the radial dimension of the sealing seat, and the radial dimension of the sealing joint is gradually reduced in a direction extending from the sealing seat to the sealing joint.
Alternatively, the above-mentioned glue nails,
the sealing joint is of a conical structure; or
The sealing joint is of a circular truncated cone structure; or
The outer wall surface of the sealing joint is a parabolic surface.
A battery, comprising:
the shell is provided with an accommodating cavity, and the liquid injection hole is arranged on the shell;
the winding core is arranged in the accommodating cavity;
in the rubber nail, the sealing seat is in interference fit with the liquid injection hole.
Alternatively, the battery described above,
the communicating groove, the guide groove and the first temporary storage groove are formed in the outer surface of the sealing seat, the outer surface of the sealing seat is abutted to the inner surface of the liquid injection hole, and the communicating groove, the guide groove and the first temporary storage groove are sequentially blocked.
The technical scheme provided by the utility model, following advantage has:
the utility model provides a glue nail, include: the sealing seat is matched in the liquid injection hole of the shell; the seal receptacle has intercommunication groove, guide way and the first groove of keeping in, the guide way the first groove of keeping in respectively with the intercommunication groove communicates each other, just the guide way with the first groove of keeping in is located the both sides in intercommunication groove, the intercommunication groove be suitable for with the outside intercommunication of casing, the guide way be suitable for with the inside intercommunication of casing.
According to the rubber nail with the structure, the guide groove and the communication groove are formed in the sealing seat of the rubber nail, the guide groove and the communication groove are communicated with each other, the interior of the shell can be communicated with the exterior of the shell, and when the rubber nail is inserted in the liquid injection hole, helium is discharged to the exterior of the shell along the guide of the guide groove and the communication groove due to the fact that the density of the helium is low, and the welding quality can be effectively guaranteed; in addition, set up the first groove of keeping in that communicates each other with the intercommunication groove on the seal receptacle, and with first groove of keeping in and the both sides of guide way setting at the intercommunication groove, when the welding, the inside liquid electrolyte high temperature that sets up of casing partly can volatilize and form the gaseous state electrolyte and flow in first groove of keeping in along the direction of guide way, gaseous state electrolyte constantly cools down and liquefies at this in-process, partly flows to inside the casing through the guide way, partly stores with liquid electrolyte in first groove of keeping in, gaseous state electrolyte that can furthest reduces produces the influence to the welding when arranging to the external world through the intercommunication groove, the welded quality has been guaranteed effectively, avoid the emergence of potential safety hazard.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following descriptions are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural view of a first temporary storage groove and a guide groove in a glue nail provided by an embodiment of the present invention, the first temporary storage groove and the guide groove being communicated along a straight line;
fig. 2 is a schematic structural view of the staggered connection between the first temporary storage groove and the guide groove in the glue nail provided by the embodiment of the present invention;
fig. 3 is a schematic structural diagram of an embodiment of a glue nail according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a second implementation manner of the glue nail according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of a third embodiment of a glue nail according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of the glue nail according to the embodiment of the present invention when the glue nail is mounted to the liquid injection port;
description of reference numerals:
11-a sealing seat; 111-a communication channel; 112-a guide slot; 113-a first temporary storage tank; 114-an isolation trench; 115-a second temporary storage tank; 12-a sealing joint;
21-a housing; 211-injection hole.
Detailed Description
The technical solutions of the present invention will be described more clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.
Furthermore, the technical features mentioned in the different embodiments of the present invention described below can be combined with each other as long as they do not conflict with each other.
The present embodiment provides a glue nail, as shown in fig. 1 to 6, comprising a sealing seat 11, wherein the sealing seat 11 is adapted to the liquid injection hole 211 of the casing 21; the seal holder 11 has a communication groove 111, a guide groove 112 and a first temporary storage groove 113, the guide groove 112 and the first temporary storage groove 113 are respectively communicated with the communication groove 111, the guide groove 112 and the first temporary storage groove 113 are located on two sides of the communication groove 111, the communication groove 111 is suitable for being communicated with the outside of the housing 21, and the guide groove 112 is suitable for being communicated with the inside of the housing 21. For example, in the present embodiment, any cross section of the communication groove 111, the guide groove 112, and the first temporary storage groove 113 in the respective axial direction may be provided in a V-shape, or a trapezoidal or semicircular shape, or the like.
In the present embodiment, when the glue nail is inserted at the liquid injection hole 211 of the casing 21, helium gas inside the casing 21 circulates to the outside of the casing 21 through the guide groove 112, the communication groove 111, and the isolation groove 114 in this order; meanwhile, the gaseous electrolyte volatilized by the high temperature flows into the first temporary storage tank 113 from the guide tank 112, and the gaseous electrolyte is gradually cooled to recover to form the liquid electrolyte in the flowing process.
According to the rubber nail with the structure, the guide groove 112 and the communication groove 111 are formed in the sealing seat 11 of the rubber nail, the guide groove 112 and the communication groove 111 are communicated with each other, the interior of the shell 21 can be communicated with the exterior of the shell 21, when the rubber nail is inserted in the liquid injection hole 211, helium is discharged to the exterior of the shell 21 along the guide of the guide groove 112 and the communication groove 111 due to the fact that the density of the helium is low, and the welding quality can be effectively guaranteed; in addition, set up the first temporary storage tank 113 with intercommunication groove 111 intercommunication each other on seal receptacle 11, and set up first temporary storage tank 113 and guide way 112 in the both sides of intercommunication groove 111, when the welding, the inside liquid electrolyte that sets up of casing 21 is partly can volatilize after high temperature volatilizees and form gaseous state electrolyte and flow into first temporary storage tank 113 along the direction of guide way 112, gaseous state electrolyte constantly cools down to liquefy at this in-process, partly flows to inside the casing 21 through guide way 112, partly stores with liquid state electrolyte in first temporary storage tank 113, can furthest's reduction gaseous state electrolyte produces the influence to the welding when discharging to the external world through intercommunication groove 111, the welded quality has been guaranteed effectively, avoid the emergence of potential safety hazard.
It can be noted that the present embodiment provides that the end of the first temporary storage groove 113 far from the communication groove 111 is larger than the end of the first temporary storage groove 113 near the communication groove 111. For example, in the embodiment, the first temporary storage tank 113 may be in a shape of a semi-sphere, a semi-ellipsoid, a semi-cone, a semi-cuboid, or the like, and in this case, the depth of the first temporary storage tank 113 needs to be greater than that of the communication tank 111, so as to conveniently store the liquid electrolyte formed after the temperature of the gaseous electrolyte is reduced.
As one embodiment, as shown in fig. 1, the guide groove 112 and the first temporary storage groove 113 are directly communicated with each other. Of course, in other alternative embodiments, as shown in fig. 2, in order to increase the path through which the gaseous electrolyte is cooled, the guide groove 112 and the first temporary storage groove 113 are in staggered communication. For example, in the present embodiment, the direct communication or the offset communication is divided by whether the communication form of the guide groove 112 and the first temporary storage groove 113 is a straight line.
As shown in fig. 3 to fig. 5, in the glue nail provided by the embodiment, the sealing seat 11 further has an isolation groove 114 and a second temporary storage groove 115, and the isolation groove 114 and the second temporary storage groove 115 are respectively communicated with the communication groove 111, so that helium gas can flow from the inside of the casing 21 to the outside of the casing 21 during welding, and the welding quality can be effectively ensured; and isolating groove 114 and second keep in groove 115 and be located the both sides of communicating groove 111, communicating groove 111 passes through the outside intercommunication of isolating groove 114 with casing 21, and second keep in groove 115 is suitable for and holds external whereabouts, and the metal particles that get into in isolating groove 114 during welding this moment can receive the influence of gravity and fall into second keep in groove 115 and store, avoid the metal particles to get into the inside bad phenomenon of K value that leads to of casing 21 and take place, have increased the practicality of gluing the nail effectively. For example, in the present embodiment, any cross section of the separation groove 114 and the second temporary storage groove 115 in the respective axial directions may be provided in a V-shape, a trapezoidal shape, a semicircular shape, or the like.
In the present embodiment, after the glue nail is inserted into the injection hole 211 of the case 21, the metal particles generated by welding enter the separation groove 114 from the outside of the case 21, and are finally accumulated in the second temporary storage groove 115.
According to the rubber nail with the structure, the isolation groove 114, the communication groove 111 and the guide groove 112 are sequentially arranged to communicate the inside of the shell 21 with the outside of the shell 21, so that helium gas flows from the inside of the shell 21 to the outside of the shell 21 during welding, and the welding quality is effectively guaranteed; set up second temporary storage groove 115 and isolation groove 114 in the both sides of intercommunication groove 111 again, and set up second temporary storage groove 115 and intercommunication groove 111 intercommunication, the metal particle that gets into in the isolation groove 114 during welding this moment can receive the influence of gravity and fall into second temporary storage groove 115 and store, avoids the metal particle to get into the inside bad phenomenon of K value that leads to of casing 21 to take place, has increased the practicality of gluing the nail effectively.
It can be noted that the end of the second temporary storage groove 115 remote from the communication groove 111 is larger than the end of the second temporary storage groove 115 close to the communication groove 111. For example, in the embodiment, the second temporary storage tank 115 may be in a shape of a semi-sphere, a semi-ellipsoid, a semi-cone, a semi-cuboid, or the like, and in this case, the depth of the first temporary storage tank 113 needs to be greater than that of the communication tank 111, so as to conveniently store the liquid electrolyte formed after the temperature of the gaseous electrolyte is reduced.
As one embodiment, as shown in fig. 4, the separation tank 114 and the second temporary storage tank 115 are directly communicated. Of course, in other alternative embodiments, as shown in fig. 5, the isolation slot 114 and the second temporary storage slot 115 are in staggered communication. For example, in the present embodiment, the direct communication or the offset communication is divided by whether the communication form of the isolation groove 114 and the second temporary storage groove 115 is a straight line.
As shown in fig. 3 to 6, the glue nail provided by the present embodiment further includes a sealing joint 12, the sealing joint 12 is disposed at one end of the sealing seat 11, the sealing joint 12 is adapted to penetrate into the liquid injection hole 211 and extend into the casing 21, the radial dimension of the sealing joint 12 provided by the present embodiment is smaller than the radial dimension of the sealing seat 11, and the radial dimension of the sealing joint 12 is gradually reduced in the direction extending from the sealing seat 11 to the sealing joint 12.
The rubber nail of this structure is less than through setting up radial dimension the sealing joint 12 of the radial dimension of seal receptacle 11 sets up again and seals the street and dwindle gradually at its ascending radial dimension of extending direction, can let very convenient the inserting of rubber nail establish annotate liquid hole 211 in, has reduced operating personnel's work load, has further increased the practicality of rubber nail.
It can be said that, through the form that sets up the dimension with sealing joint 12 and reduce gradually, can reduce the power of friction that the plastic pin was when getting into annotate liquid hole 211 and annotate liquid hole 211, can let very convenient the inserting of plastic pin establish in annotating liquid hole 211 like this, reduced operating personnel's work load to reach the purpose that increases the practicality of plastic pin. In addition, the outer wall surface of the sealing joint 12 may be a parabolic surface, and as one embodiment, the sealing joint 12 has a conical structure; as another embodiment, the sealing joint 12 is a truncated cone structure.
As shown in fig. 1 to 5, the rubber nail provided in this embodiment may be made of corrosion-resistant rubber, polyethylene, polypropylene, polystyrene, or ABS.
The present embodiment provides a battery, as shown in fig. 1 to fig. 6, including a case 21, a winding core, and the glue nail provided in the above embodiments. Wherein, the shell 21 has a containing cavity, and the liquid injection hole 211 is arranged on the shell 21; the winding core is arranged in the accommodating cavity; the sealing seat 11 of the rubber nail is in interference fit with the liquid injection hole 211.
It should be noted that, in this embodiment, the liquid pouring hole 211 is formed in the protective top cover of the casing 21, but of course, in other alternative embodiments, the liquid pouring hole 211 may be formed in the casing body of the casing 21.
As also shown in fig. 1 to 6, the communication groove 111, the guide groove 112, and the first temporary storage groove 113 are opened on the outer surface of the seal holder 11, and the outer surface of the seal holder 11 abuts against the inner surface of the pouring hole 211 to sequentially close the communication groove 111, the guide groove 112, and the first temporary storage groove 113. Of course, the communication groove 111, the guide groove 112 and the first temporary storage groove 113 may also be provided inside the glue nail, so as to increase the degree of buckling between the glue nail and the liquid injection port.
The battery of this structure, through setting up seal receptacle 11 and annotating liquid hole 211 interference fit, when the helium of casing 21 inside and receive the gaseous state electrolyte that high temperature volatilizees the formation to get into the guide way 112 in, can slow down the increase of casing 21 internal pressure, avoid the rubber nail and annotate the phenomenon that liquid hole 211 took place to drop off, further increase the practicality of rubber nail.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious changes and modifications can be made without departing from the scope of the invention.
Claims (10)
1. A glue nail comprising: the sealing seat (11), the said sealing seat (11) is fitted into the liquid injection hole (211) of the body (21);
the sealing seat (11) is provided with a communication groove (111), a guide groove (112) and a first temporary storage groove (113), the guide groove (112) and the first temporary storage groove (113) are respectively communicated with the communication groove (111), the guide groove (112) and the first temporary storage groove (113) are located on two sides of the communication groove (111), the communication groove (111) is suitable for being communicated with the outside of the shell (21), and the guide groove (112) is suitable for being communicated with the inside of the shell (21).
2. The glue nail of claim 1,
seal receptacle (11) still have isolation slot (114) and second and store in groove (115), isolation slot (114) with second store in groove (115) respectively with intercommunication groove (111) intercommunication, just isolation slot (114) with second store in groove (115) are located the both sides in intercommunication groove (111), intercommunication groove (111) pass through the outside intercommunication of isolation slot (114) and casing (21), second store in groove (115) are suitable for and hold external junk.
3. The glue nail of claim 1,
one end, far away from the communication groove (111), of the first temporary storage groove (113) is larger than one end, close to the communication groove (111), of the first temporary storage groove (113).
4. The glue nail of claim 1,
the guide groove (112) is directly communicated with the first temporary storage groove (113).
5. The glue nail of claim 2,
one end, far away from the communication groove (111), of the second temporary storage groove (115) is larger than one end, close to the communication groove (111), of the second temporary storage groove (115).
6. The glue nail of claim 2,
the isolation groove (114) is directly communicated with the second temporary storage groove (115).
7. Glue nail according to any of the claims 1-6,
the sealing device further comprises a sealing joint (12), the sealing joint (12) is arranged at one end of the sealing seat (11), and the sealing joint (12) is suitable for penetrating into the liquid injection hole (211) and extending into the shell (21); the radial dimension of the sealing joint (12) is smaller than the radial dimension of the sealing seat (11), and the radial dimension of the sealing joint (12) is gradually reduced in the direction extending from the sealing seat (11) to the sealing joint (12).
8. The glue nail of claim 7,
the sealing joint (12) is of a conical structure; or
The sealing joint (12) is of a circular truncated cone structure; or
The outer wall surface of the sealing joint (12) is a parabolic surface.
9. A battery, comprising:
a housing (21) having an accommodating chamber, the liquid injection hole (211) being provided in the housing (21);
the winding core is arranged in the accommodating cavity;
the glue nail of any one of claims 1 to 8, wherein the sealing seat (11) is in interference fit with the injection hole (211).
10. The battery according to claim 9, wherein the communication groove (111), the guide groove (112) and the first temporary storage groove (113) are opened on an outer surface of the sealing seat (11), and the outer surface of the sealing seat (11) abuts against an inner surface of the liquid injection hole (211) to sequentially close the communication groove (111), the guide groove (112) and the first temporary storage groove (113).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221919582.XU CN218498340U (en) | 2022-07-22 | 2022-07-22 | Glue nail and battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221919582.XU CN218498340U (en) | 2022-07-22 | 2022-07-22 | Glue nail and battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218498340U true CN218498340U (en) | 2023-02-17 |
Family
ID=85184642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221919582.XU Active CN218498340U (en) | 2022-07-22 | 2022-07-22 | Glue nail and battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218498340U (en) |
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2022
- 2022-07-22 CN CN202221919582.XU patent/CN218498340U/en active Active
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 518000 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee after: Xinwangda Power Technology Co.,Ltd. Address before: 518107 1-2 Floor, Building A, Xinwangda Industrial Park, No. 18 Tangjianan Road, Gongming Street, Guangming New District, Shenzhen City, Guangdong Province Patentee before: SUNWODA ELECTRIC VEHICLE BATTERY Co.,Ltd. |