CN209200089U - Encapsulate end socket - Google Patents
Encapsulate end socket Download PDFInfo
- Publication number
- CN209200089U CN209200089U CN201822123015.3U CN201822123015U CN209200089U CN 209200089 U CN209200089 U CN 209200089U CN 201822123015 U CN201822123015 U CN 201822123015U CN 209200089 U CN209200089 U CN 209200089U
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- Prior art keywords
- face
- inclined surface
- side wall
- groove
- seal part
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- 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
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Abstract
The utility model discloses a kind of encapsulation end sockets, and encapsulating end socket includes: the first seal part and the second seal part.The first seal part includes first end face；It can be movable relatively between the second seal part and the first seal part, the second seal part includes the second end face being arranged face-to-face with the first end face, and at least one of the first end face and the second end face are equipped with groove.Thus, by the way that groove is arranged, the flow regime of molten state PP can be improved, it can solve temperature gradient bring thermal stress issues, the mechanical stress caused by packaging bag can be eliminated, the pattern in excessive glue region can be improved, so as to weaken the fault of construction in excessive glue region, the package strength of the edge sealing of battery core can be improved, and then the use reliability and safety of battery can be improved.
Description
Technical field
The utility model relates to field of batteries, more particularly, to a kind of encapsulation end socket.
Background technique
At present, lithium ion battery has many advantages, such as high-energy density, long circulation life, high performance price ratio, is answered extensively
For in various digital products, electric garden tool, energy-storage system even automobile dynamic system.Due to the aluminium as packaging material
Composite membrane self character is moulded, the package reliability of soft bag lithium ionic cell is constantly subjected to everybody attention.Especially apply to store up
The soft bag lithium ionic cell of energy system has more harsh requirement to the long-term reliability of encapsulation.Therefore, packaging process is soft
Critical process during the manufacturing of packet lithium ion battery is most important to the safety and reliability of battery.
In the related technology, the upper cover and lower head for encapsulating end socket are flat head, and edge is 90 ° of right angles, utilize this
When end socket is packaged soft bag lithium ionic cell, due to the molten state PP (Polypropylene- polypropylene) by packaging bag
The factors such as flow regime, thermal stress, the mechanical stress of end socket influence, will lead to the package strength of the edge sealing of lithium ion battery compared with
It is low, the both ends unbalance stress of flat head when being unable to satisfy requirement of the lithium ion battery to the long-term reliability of encapsulation, also, encapsulating
The outer end that will lead to the end socket is easy to wear, and service life shortens.
Utility model content
The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions
A kind of encapsulation end socket is gone out, which can solve temperature gradient bring thermal stress issues, and the envelope of battery core can be improved
The package strength on side, so as to improve the use reliability and safety of battery.
Encapsulation end socket according to the present utility model includes: the first seal part and the second seal part.The first seal part packet
Include first end face；Can be movable relatively between the second seal part and the first seal part, the second seal part include with
The second end face that the first end face is arranged face-to-face, at least one of the first end face and the second end face are equipped with recessed
Slot.
Encapsulation end socket according to the present utility model can improve the flow regime of molten state PP by the way that groove is arranged, can be with
Temperature gradient bring thermal stress issues are solved, the mechanical stress caused by packaging bag can be eliminated, excessive glue region can be improved
Pattern the package strength of the edge sealing of battery core can be improved, and then can mention so as to weaken the fault of construction in excessive glue region
The use reliability and safety of high battery core and its battery.
In some examples of the utility model, the first end face is equipped with the first groove, and first groove includes phase
To the first side wall and second sidewall of setting, the second end face is equipped with the second groove, and second groove includes being oppositely arranged
Third side wall and the 4th side wall, first groove is oppositely arranged with second groove.
In some examples of the utility model, the first end face include connect with the second sidewall it is first straight
Face, the second end face include the second flat face connecting with the third side wall, first flat face and described second flat
It faces directly and is oppositely arranged.
In some examples of the utility model, the height of the second sidewall is greater than or equal to the first side wall, institute
The height for stating third side wall is greater than or equal to the 4th side wall.
In some examples of the utility model, the first end face includes the first inclination connecting with the second sidewall
Face, first inclined surface are gradually tilted towards close to the direction of the second sidewall, and the second end face includes and described the
Second inclined surface of three side walls connection, second inclined surface is gradually tilted towards the direction close to the third side wall, described
First inclined surface is oppositely arranged with second inclined surface.
In some examples of the utility model, the height of the second sidewall is less than or equal to the first side wall, institute
The height for stating third side wall is less than or equal to the 4th side wall.
In some examples of the utility model, the first end face includes the first flat face and connects with the second sidewall
The first inclined surface connect, first inclined surface are arranged between first flat face and first groove, and described first
Inclined surface is gradually tilted towards the direction close to the second sidewall；The second end face includes opposite with first flat face
The second flat face being arranged and the second inclined surface being oppositely arranged with first inclined surface, second inclined surface and described the
The connection of three side walls, and second inclined surface is arranged between second flat face and second groove, described second inclines
Inclined-plane is gradually tilted towards the direction close to the third side wall.
In some examples of the utility model, at least one of the first end face and the second end face are additionally provided with
The inclined surface being connect with the groove or flat face.
In some examples of the utility model, at least one of the first end face and the second end face are at its end
Face is equipped with limited block.
In some examples of the utility model, the first seal part includes first base and is arranged at first bottom
The first seal portion on seat, first seal portion have the first end face, the second seal part include second base and
The second seal portion in the second base is set, and second seal portion has the second end face.
Detailed description of the invention
The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will
Become obvious and be readily appreciated that, in which:
Fig. 1 is the sectional view according to the encapsulation end socket of an embodiment of the present invention；
Fig. 2 is the sectional view according to the encapsulation end socket of another embodiment of the utility model；
Fig. 3 is the sectional view according to the encapsulation end socket of another embodiment of the utility model.
Appended drawing reference:
Encapsulate end socket 10；
First seal part 1；
First end face 11；First flat face 111；First inclined surface 112；
First groove 12；The first side wall 121；Second sidewall 122；
First base 13；First seal portion 14；
Second seal part 2；
Second end face 21；Second flat face 211；
Second groove 22；Third side wall 221；4th side wall 222；
Second base 23；Second seal portion 24；
Second inclined surface 3；Limited block 5.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model
Limitation.
Below with reference to Fig. 1-Fig. 3 description according to the encapsulation end socket 10 of the utility model embodiment.
It as shown in Figure 1-Figure 3, include: the first seal part 1 and second according to the encapsulation end socket 10 of the utility model embodiment
Seal part 2.First seal part 1 can be with the second seal part 2 and be oppositely arranged up and down, and the first seal part 1 and the second seal part 2 can
To be configured to T shape or L shape, also it is so structured that other shapes.First seal part 1 may include first end face 11, the second envelope
It can be movable relatively between printed document 2 and the first seal part 1, it is understood that be that when packaged, the second seal part 2 can be to first
Seal part 1 moves, and the first seal part 1 can also be moved to the second seal part 2.Second seal part 2 may include and first end face
11 second end faces 21 being arranged face-to-face, at least one of first end face 11 and second end face 21 are equipped with groove.It needs to illustrate
, groove can be positioned only in first end face 11, and groove can also be positioned only in second end face 21, and groove can also be same
When be arranged in first end face 11 and second end face 21.Such as: first end face 11 and second end face 21 can be set one
Groove.
The encapsulation end socket 10 of the embodiment of the present application, by the way that groove is arranged, in battery core encapsulation process, due to the knot of packaging bag
The molten state for closing layer (such as polypropylene PP can also be other materials) has mobility, and molten state PP can be flowed in groove, in this way
The flow regime that molten state PP can be improved is set, can solve temperature gradient bring thermal stress issues and eliminates existing end socket
The mechanical stress caused by packaging bag can improve the pattern in the excessive glue region of edge sealing, so as to weaken the knot in excessive glue region
Structure defect, can be improved the package strength of the edge sealing of battery core, and then the use reliability and peace of battery core and its battery can be improved
Quan Xing.
In some embodiments of the utility model, as shown in Figure 1-Figure 3, first end face 11 can be equipped with the first groove
12, the first groove 12 may include the first side wall 121 and second sidewall 122 that the left and right directions in Fig. 1 is oppositely arranged, and second
End face 21 can be equipped with the second groove 22, and the second groove 22 may include the third side that the left and right directions in Fig. 1 is oppositely arranged
Wall 221 and the 4th side wall 222, the first groove 12 can be oppositely arranged in above-below direction with the second groove 22.Wherein, end socket is encapsulated
10 during packaging electric core, and molten state PP, which flows into the first groove 12 and the second groove 22, such setting, further to be changed
The pattern in kind excessive glue region, so as to further weaken the fault of construction in excessive glue region, so as to further increase battery core
Edge sealing package strength, and then can be further improved the use reliability and safety of battery.
As shown in Figure 1, a specific embodiment according to the present utility model, first end face 11 may include and second sidewall
First flat face 111 of 122 connections, second end face 21 may include the second flat face 211 connecting with third side wall 221, the
One flat face 111 is oppositely arranged with the second flat face 211.Wherein, the manufacture material of the first seal part 1 and the second seal part 2 is
Alloy material with excellent thermal conductivity when installation, encapsulates on end socket 10 beyond right side towards inside battery core, electricity
Core encapsulates the seal thickness on side outside battery core to uniformly, also, passing through the first flat face 111 of setting and the second flat face in battery core
211, in encapsulation process, the first flat face 111 and the second flat face 211 can correct the depth of parallelism for encapsulating end socket 10.
In some embodiments of the utility model, as shown in Figure 1, the height of second sidewall 122 is more than or equal to the
The height of one side wall 121, the height of third side wall 221 are more than or equal to the height of the 4th side wall 222.It is understood that
In up and down direction in Fig. 1, the lower end height of second sidewall 122 is lower than the lower end height or second side of the first side wall 121
The lower end of wall 122 and the lower end of the first side wall 121 are contour, and the upper end level of third side wall 221 is more than or equal to the 4th side wall
222 upper end level.Wherein, it as shown in Figure 1, the first groove 12 can be arranged close to the right side of first end face 11, was encapsulating
Cheng Zhong, in this way setting can further improve the pattern in excessive glue region, and then the structure that can further eliminate excessive glue region lacks
Fall into, so as to further increase battery core edge sealing package strength, and then can be further improved the use reliability of battery
And safety.
As shown in Fig. 2, another specific embodiment according to the present utility model, first end face 11 may include and second side
The first inclined surface 112 that wall 122 connects, the first inclined surface 112 are gradually tilted towards the direction close to second sidewall 122, and second
End face 21 may include the second inclined surface 3 connecting with third side wall 221, and the second inclined surface 3 is towards close to third side wall 221
Direction gradually tilts, and the first inclined surface 112 can be oppositely arranged in above-below direction with the second inclined surface 3.Wherein, the first seal part
1 and second the manufacture material of seal part 2 can be the alloy material with excellent thermal conductivity, when installation, encapsulate on end socket 10
Towards inside battery core beyond encapsulation end socket 10 right side, the seal thickness of battery core side outside battery core in battery core gradually
Increase, to be arranged such can further eliminate the fault of construction in excessive glue region, so as to further increase the edge sealing of battery core
Package strength, and then can be further improved the use reliability and safety of battery.
In some embodiments of the utility model, as shown in Fig. 2, the height of second sidewall 122 is less than or equal to the
The height of one side wall 121, the height of third side wall 221 are less than or equal to the height of the 4th side wall 222.It is understood that
In up and down direction in Fig. 2, the lower end height of second sidewall 122 is higher than the lower end height or second side of the first side wall 121
The lower end of wall 122 and the lower end of the first side wall 121 are contour, and the upper end level of third side wall 221 is below or equal to the 4th side wall
222 upper end level, in this way setting can make the tilt angle of the first inclined surface 112 and the second inclined surface 3 more reasonable, seal
During dress, the first groove 12 and the second groove 22 can be flowed into order to molten state PP, so as to further improve excessive glue area
The pattern and structure in domain, further increase the package strength of the edge sealing of battery core, and then further increase the use reliability of battery core
And safety.
As shown in figure 3, another specific embodiment according to the present utility model, first end face 11 may include first straight
Face 111 and the first inclined surface 112 connecting with second sidewall 122, the first inclined surface 112 can be set in the first flat face 111
Between the first groove 12, the first inclined surface 112 is gradually obliquely installed towards the direction close to second sidewall 122.It is understood that
, in up and down direction shown in Fig. 3, the first inclined surface 112 is obliquely installed upwards, the left end of the first inclined surface 112 and the
One flat face 111 is connected, and the right end of the first inclined surface 112 is connected with second sidewall 122.Second end face 21 may include with first
The second flat face 211 and the second inclined surface 3 being oppositely arranged with the first inclined surface 112 that flat face 111 is oppositely arranged, second inclines
Inclined-plane 3 is connect with third side wall 221, and the second inclined surface 3 can be set the second flat face 211 and the second groove 22 it
Between, the second inclined surface 3 is gradually tilted towards the direction close to third side wall 221.It is understood that shown in Fig. 3 is upper and lower
On direction, the second inclined surface 3 tilts down setting, and the left end of the second inclined surface 3 is connected with the second flat face 211, the second inclination
The right end in face 3 is connected with third side wall 221.
Wherein, the manufacture material of the first seal part 1 and the second seal part 2 can be the alloy material with excellent thermal conductivity
Matter, the first flat face 111 and the first inclined surface 112 constitute the encapsulating face of the first seal part 1, and the second flat face 211 inclines with second
Size, the shape of the encapsulating face of the second seal part 2 of composition of inclined-plane 3, the first seal part 1 and the second seal part 2 can correspond to each other
Setting when installation, encapsulates end socket 10 beyond right side towards inside battery core, seal thickness a part of battery core edge sealing is
Even, to gradually increasing in battery core outside battery core, the structure in excessive glue region can further be eliminated by being arranged such lacks another part
Fall into, so as to further increase battery core edge sealing package strength, and then can be further improved the use reliability of battery
And safety.
In some embodiments of the utility model, at least one of first end face 11 and second end face 21 can also be set
Being equipped with the inclined surface connecting with groove or flat face, i.e., the inclined surface or flat face can be set in first end face 11,
It can be set in second end face 21.The fault of construction in excessive glue region can be further eliminated using such setting, so as to
The package strength of the edge sealing of battery core is further increased, and then can be further improved the use reliability and safety of battery.
In some embodiments of the utility model, as shown in Figure 1-Figure 3, in first end face 11 and second end face 21 extremely
Limited block 5 has can be set in few one on its end face, such as: limited block 5 has can be set in the upper end of second end face 21, in electricity
In core encapsulation process, limited block 5 can play position-limiting action to battery core, so as to promote the positional stability of battery core, in turn
It can prevent battery core from moving.
In some embodiments of the utility model, as shown in Figure 1-Figure 3, the first seal part 1 may include first base
13 and the first seal portion 14 for being arranged in first base 13, the first seal portion 14 can have first end face 11, the second seal
Part 2 may include second base 23 and the second seal portion 24 for being arranged in second base 23, and the second seal portion 24 can have
Second end face 21, in this way setting can make the first seal part 1, the structure of the second seal part 2 more reasonable, so that the encapsulation end socket
10 is more convenient when using.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot
Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art
The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or
Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.
While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that:
These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective
And modification, the scope of the utility model are defined by the claims and their equivalents.
Claims (10)
1. a kind of encapsulation end socket characterized by comprising
First seal part, including first end face；
It can be movable relatively between second seal part, with the first seal part, the second seal part includes and the first end
The second end face that face is arranged face-to-face, at least one of the first end face and the second end face are equipped with groove.
2. encapsulation end socket according to claim 1, which is characterized in that the first end face is equipped with the first groove, and described the
One groove includes the first side wall being oppositely arranged and second sidewall, and the second end face is equipped with the second groove, second groove
Including the third side wall and the 4th side wall being oppositely arranged, first groove is oppositely arranged with second groove.
3. encapsulation end socket according to claim 2, which is characterized in that the first end face includes connecting with the second sidewall
The first flat face connect, the second end face include the second flat face connecting with the third side wall, first flat face
It is oppositely arranged with second flat face.
4. encapsulation end socket according to claim 3, which is characterized in that the height of the second sidewall is greater than or equal to described
The height of the first side wall, the third side wall is greater than or equal to the 4th side wall.
5. encapsulation end socket according to claim 2, which is characterized in that the first end face includes connecting with the second sidewall
The first inclined surface connect, first inclined surface are gradually tilted towards the direction close to the second sidewall, the second end face
Including the second inclined surface being connect with the third side wall, second inclined surface towards close to the third side wall direction by
It gradually tilts, first inclined surface is oppositely arranged with second inclined surface.
6. encapsulation end socket according to claim 5, which is characterized in that the height of the second sidewall is less than or equal to described
The height of the first side wall, the third side wall is less than or equal to the 4th side wall.
7. encapsulation end socket according to claim 2, which is characterized in that the first end face include the first flat face and with institute
State the first inclined surface of second sidewall connection, first inclined surface setting first flat face and first groove it
Between, first inclined surface is gradually tilted towards the direction close to the second sidewall；
The second end face include the second flat face being oppositely arranged with first flat face and with first inclined surface phase
To the second inclined surface of setting, second inclined surface is connect with the third side wall, and second inclined surface is arranged in institute
It states between the second flat face and second groove, second inclined surface is gradually inclined towards the direction close to the third side wall
Tiltedly.
8. encapsulation end socket according to claim 1, which is characterized in that in the first end face and the second end face extremely
Few one is additionally provided with the inclined surface connecting with the groove or flat face.
9. encapsulation end socket according to any one of claim 1 to 8, which is characterized in that the first end face and described
At least one of biend is equipped with limited block on its end face.
10. encapsulation end socket according to claim 9, which is characterized in that the first seal part includes first base and sets
The first seal portion in the first base is set, first seal portion has the first end face, the second seal part
Including second base and the second seal portion being arranged in the second base, second seal portion has the second end
Face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822123015.3U CN209200089U (en) | 2018-12-18 | 2018-12-18 | Encapsulate end socket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822123015.3U CN209200089U (en) | 2018-12-18 | 2018-12-18 | Encapsulate end socket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209200089U true CN209200089U (en) | 2019-08-02 |
Family
ID=67429485
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822123015.3U Active CN209200089U (en) | 2018-12-18 | 2018-12-18 | Encapsulate end socket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209200089U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488726A (en) * | 2021-07-14 | 2021-10-08 | 宁德新能源科技有限公司 | Electrochemical device, battery pack, electric device and packaging device |
-
2018
- 2018-12-18 CN CN201822123015.3U patent/CN209200089U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113488726A (en) * | 2021-07-14 | 2021-10-08 | 宁德新能源科技有限公司 | Electrochemical device, battery pack, electric device and packaging device |
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