CN218472027U - Cylindrical lithium ion battery - Google Patents
Cylindrical lithium ion battery Download PDFInfo
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- CN218472027U CN218472027U CN202222545497.8U CN202222545497U CN218472027U CN 218472027 U CN218472027 U CN 218472027U CN 202222545497 U CN202222545497 U CN 202222545497U CN 218472027 U CN218472027 U CN 218472027U
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- lithium ion
- ion battery
- battery
- cover plate
- lug
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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
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Abstract
The utility model relates to a lithium ion battery technical field relates to a cylindrical lithium ion battery, adopts neotype installation to dismantle the structure and realizes dismantling lithium ion battery's quick installation. The lantern ring and the cover plate are sequentially installed on the upper portion of the battery shell, the lower end of the lantern ring is provided with the connecting lug, the lower end of the connecting lug is elastically provided with the clamping lug, and the clamping lug is further provided with a flange structure. When the apron inserted the lantern ring inside and when the joint ear butt, the joint ear can remove towards the direction of battery case inner wall to extrude the flange towards the recess direction that sets up on the battery case inner wall. The cover plate can extrude the clamping lug in the installation state, the lantern ring is fixed on the battery shell by utilizing the structure of the flange and the groove, and meanwhile, the clamping lug can extrude the cover plate in the opposite direction due to the elastic connection with the connecting lug, so that the cover plate cannot fall off from the battery shell easily. The lithium ion battery is convenient to install and detach due to the structural design, and detachment and maintenance in the later stage of the lithium ion battery are facilitated.
Description
Technical Field
The utility model relates to a lithium ion battery technical field, more specifically say, relate to a cylindrical lithium ion battery.
Background
A lithium ion battery is a type of secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. A cylindrical lithium ion battery is one of lithium ion batteries, and has an outer shape of a cylinder, and thus is called a cylindrical lithium battery.
Cylindrical lithium ion battery comprises apron and battery case, and traditional cylindrical lithium ion battery passes corresponding bolt hole through the bolt and installs at the top of battery case, and bolt corrosion can appear after this kind of mounting means uses under sour/alkaline environment for a long time to lead to the problem that the apron is difficult to dismantle, seriously influence lithium ion battery's later stage maintenance work.
Therefore, a new battery cover plate is needed to improve the above problems.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a novel cylindrical lithium ion battery adopts neotype installation to dismantle the structure and realizes dismantling lithium ion battery's quick installation.
In order to achieve the above object, the utility model provides a following technical scheme:
a cylindrical lithium ion battery, comprising:
the battery shell is provided with a groove on the inner wall of the upper part of the battery shell;
a collar disposed at an upper end of the battery case;
one end of the connecting lug is arranged at the bottom of the lantern ring, the other end of the connecting lug is elastically connected with a clamping lug, the clamping lug bends towards the direction of the inner ring of the lantern ring, and a flange matched with the shape of the groove is arranged on the clamping lug; and
the cover plate is arranged at the upper end of the battery shell and is inserted into the lantern ring;
when the cover plate abuts against the clamping lug, the clamping lug moves towards the inner wall of the battery case, and the flange is extruded into the groove.
Preferably, in the cylindrical lithium ion battery, the upper inner wall of the battery case is circumferentially provided with a plurality of grooves.
Preferably, in the cylindrical lithium ion battery, a plurality of the grooves are arranged at equal intervals.
Preferably, in the cylindrical lithium ion battery, the grooves are arranged in one-to-one correspondence with the flanges.
Preferably, in the cylindrical lithium ion battery, an outer diameter of a circular plane where the connecting lug is located is equal to an inner diameter of the battery case, a radius of the circular plane where the clamping lug is located is smaller than an inner diameter of the collar, and an inner diameter of the cover plate is equal to an inner diameter of the collar.
Preferably, in the cylindrical lithium ion battery, the clamping lug is flexibly arranged at the other end of the connecting lug.
Preferably, in the above cylindrical lithium ion battery, the cover plate has a mounting hole thereon.
Preferably, in the above cylindrical lithium ion battery, the cover plate further comprises: and the lug is arranged on the cover plate through the mounting hole.
The utility model discloses an install the lantern ring and apron in order on the upper portion of battery case, lantern ring lower extreme is provided with the engaging lug, engaging lug lower extreme elasticity is provided with the joint ear, still is equipped with the flange structure on the joint ear, in actual installation, when the apron inserts lantern ring inside and joint ear contact, the joint ear can remove towards the direction of battery case inner wall to with the flange extrusion of the recess direction that sets up on the battery case inner wall, and then reach the purpose that the apron was fixed on the battery case. Under the installation state, the apron can extrude the joint ear to utilize the structure of flange and recess to fix the lantern ring on the battery case, simultaneously, the joint ear owing to with engaging lug elastic connection, its can extrude the apron in the opposite direction, make the apron can not drop from the battery case easily. When the cover plate needs to be detached, the cover plate only needs to be pulled out forcibly, the clamping lug can move towards the inner ring of the lantern ring, and the flange can be separated from the range of the groove. The lithium ion battery is convenient to install and detach due to the structural design, and detachment and maintenance in the later stage of the lithium ion battery are facilitated.
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 description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the description below are only 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 diagram of the overall structure of a cylindrical lithium ion battery;
FIG. 2 is a schematic diagram of an exploded structure of a cylindrical lithium ion battery;
FIG. 3 is a schematic sectional front view of a cylindrical lithium ion battery;
FIG. 4 is a schematic structural diagram of a clamping lug of a cylindrical lithium ion battery in a normal state;
fig. 5 is a schematic structural diagram of a cylindrical lithium ion battery in a clamping lug installation state.
In the figure:
1. a battery case; 11. a groove; 2. a collar; 3. connecting lugs; 31. clamping the lug; 311. a flange; 4. a cover plate; 41. mounting holes; 5. and (7) a tab.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Based on the problem mentioned in the background art, the application provides a cylindrical lithium ion battery for dismantle the function of maintenance to lithium ion battery fast through neotype installation dismantlement structure. The lantern ring and the cover plate are sequentially installed on the upper portion of the battery shell, the lower end of the lantern ring is provided with the connecting lug, the lower end of the connecting lug is elastically provided with the clamping lug, and the clamping lug is further provided with a flange structure. When the apron inserted the lantern ring inside and joint ear contact, the joint ear can remove towards the direction of battery case inner wall to with the flange extrusion of the recess direction that sets up on the battery case inner wall. The cover plate can extrude the clamping lug in the installation state, the lantern ring is fixed on the battery case by utilizing the structures of the flange and the groove, and meanwhile, the clamping lug can extrude the cover plate in the opposite direction due to the elastic connection with the connecting lug, so that the cover plate cannot fall off from the battery case easily. Above-mentioned structural design is convenient for lithium ion battery and installs the dismantlement, is favorable to the dismantlement maintenance in lithium ion battery later stage.
The application provides a cylindrical lithium ion battery, including battery case 1, the lantern ring 2, engaging lug 3 and apron 4, wherein the lantern ring 2 is installed in the top position of battery case 1 with apron 4 in proper order, recess 11 has on the inner wall of battery case 1, the one end of engaging lug 3 links to each other with the bottom of the lantern ring 2, the other end elastic connection of engaging lug 3 has joint ear 31, joint ear 31 is buckled towards the inner ring direction of the lantern ring 2 under normal condition, and still be equipped with the flange 311 with 11 appearance looks adaptations of recess on joint ear 31. The cover plate 4 is inserted into the collar 2 and contacts the snap lugs 31, when the cover plate 4 contacts the snap lugs 31, the snap lugs 31 move towards the inner wall of the battery case 1, and the flange 311 is pressed into the groove 11.
Specifically, the grooves 11 are circumferentially and equidistantly formed on the inner wall of the battery case 1, and the grooves 11 correspond to the flanges 311 on the clamping lugs 31 one by one.
Specifically, the outer diameter of the plane where the connecting lug 3 is located is equal to the inner diameter of the battery case 1, so that the lantern ring 2 can be preliminarily clamped on the battery case 1 by using the connecting lug 3; the inner diameter of the circular plane where the clamping lug 31 is located is smaller than the inner diameter of the lantern ring 2, the structural design enables the clamping lug 31 to bend towards the inner ring of the lantern ring 2 through an elastic structure in a disassembly state, and preferably, the clamping lug 31 is flexibly connected to the connecting lug 3; the outer diameter of the cap plate 4 is the same as the inner diameter of the collar 2, so that when the cap plate 4 is inserted into the collar 2, the cap plate 4 presses the snap lugs 31 to move around and presses the flanges 311 into the grooves 11, thereby further improving the connection stability between the battery cases 1 of the collar 2.
Further, the battery case 1 further includes a tab 5, the tab 5 is mounted on the cover plate 4, and in addition to the above embodiment, the cover plate 4 has a mounting hole 41, and the tab 5 is mounted on the cover plate 4 through the mounting hole 41.
It should be noted that the above mentioned "setting" and "installing" in the above mentioned embodiments are conceivable by the conventional technical means in the art, the setting mode has no other complicated connection structure, and the setting mode is only exemplary and not restrictive, and the skilled person can flexibly adjust the specific setting mode according to the field situation in practical application as long as the function to be realized can be realized.
The operation principle of the cylindrical lithium battery mentioned in the present application is described below.
Firstly, the lantern ring 2 is installed on the battery shell 1, the connecting lug 3 on the lantern ring 2 is inserted and connected with the inner wall of the battery shell 1, after the connecting lug 3 completely enters the inside of the battery shell 1, the direction of the lantern ring 2 is rotated to ensure that the flange 311 and the groove 11 are in the opposite position, namely the flange 311 is in the position right in front of the groove 11. And then, the cover plate 4 is installed, the cover plate 4 is aligned to the inner ring part of the lantern ring 2 for plugging, the cover plate 4 can contact with the clamping lug 31 flexibly connected with the lower end of the connecting lug 3 in the plugging process, at the moment, the clamping lug 31 is bent in the opposite direction, namely, bent towards the inner wall of the battery case 1, and when the clamping lug 31 is bent, the flange 311 can be driven to move and the flange 311 is extruded into the groove 11, so that the lantern ring 2 is installed with the battery case 1 through the structure of the flange 311 and the groove 11.
In the installation state, the connection lug 3 on the lantern ring 2 is in plug connection with the battery shell 1, and the clamping lug 31 at the lower end of the connection lug 3 is connected with the groove 11 through the flange 311, so that the installation stability between the lantern ring 2 and the battery shell 1 is improved; at the same time, since the snap lugs 31 also apply an opposite force to the cap plate 4 so that the cap plate 4 is not easily separated from the inner circumferential range of the collar 2, the interaction between the respective structures enables the cap plate 4 to be fixedly mounted to the battery case 1. When the cover plate 4 needs to be pulled out forcibly when the cover plate needs to be detached, the clamping lug 31 will move towards the inner ring of the lantern ring 2, and the flange 311 will also be separated from the range of the groove 11.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A cylindrical lithium ion battery, comprising:
the battery shell is provided with a groove on the inner wall of the upper part of the battery shell;
a collar disposed at an upper end of the battery case;
one end of the connecting lug is arranged at the bottom of the lantern ring, the other end of the connecting lug is elastically connected with a clamping lug, the clamping lug bends towards the direction of the inner ring of the lantern ring, and a flange matched with the shape of the groove is arranged on the clamping lug; and
the cover plate is arranged at the upper end of the battery shell and is inserted into the lantern ring;
wherein, when the apron butt when the joint ear, the joint ear orientation the inner wall of battery case removes, and will the flange extrudees inside the recess.
2. The cylindrical lithium ion battery of claim 1, wherein the upper inner wall of the battery case has a plurality of grooves formed in a circumferential direction.
3. The cylindrical lithium ion battery of claim 2, wherein a plurality of the grooves are equally spaced.
4. The cylindrical lithium ion battery of claim 1, wherein the grooves are arranged in one-to-one correspondence with the flanges.
5. The cylindrical lithium ion battery of claim 1, wherein the outer diameter of the circular plane where the connecting lug is located is equal to the inner diameter of the battery case, the radius of the circular plane where the clamping lug is located is smaller than the inner diameter of the collar, and the inner diameter of the cover plate is equal to the inner diameter of the collar.
6. The cylindrical lithium ion battery of claim 1, wherein the snap tab is flexibly disposed on the other end of the connection tab.
7. The cylindrical lithium ion battery of claim 1, wherein the cover plate has mounting holes thereon.
8. The cylindrical lithium ion battery of claim 7, further comprising on the cover plate: and the lug is arranged on the cover plate through the mounting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222545497.8U CN218472027U (en) | 2022-09-26 | 2022-09-26 | Cylindrical lithium ion battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222545497.8U CN218472027U (en) | 2022-09-26 | 2022-09-26 | Cylindrical lithium ion battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218472027U true CN218472027U (en) | 2023-02-10 |
Family
ID=85143727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222545497.8U Active CN218472027U (en) | 2022-09-26 | 2022-09-26 | Cylindrical lithium ion battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218472027U (en) |
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2022
- 2022-09-26 CN CN202222545497.8U patent/CN218472027U/en active Active
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