CN214280157U - Safety combination cylinder lithium battery cap subassembly - Google Patents
Safety combination cylinder lithium battery cap subassembly Download PDFInfo
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- CN214280157U CN214280157U CN202120343769.9U CN202120343769U CN214280157U CN 214280157 U CN214280157 U CN 214280157U CN 202120343769 U CN202120343769 U CN 202120343769U CN 214280157 U CN214280157 U CN 214280157U
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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 discloses a safe combination cylinder lithium cell cap subassembly, including cylinder lithium cell body, cylinder lithium cell body is including the protecting crust, the top of protecting crust is provided with the block, the bottom welding of block has the arc frame, the bottom integrated into one piece of arc frame has the expansion bracket, be provided with the insulating circle between the outside of expansion bracket and the protecting crust, the inside of cylinder lithium cell body is provided with electric core, the top welding of electric core has the contact plate, the inner wall one side welding of protecting crust has the fixed plate, the both sides welding of expansion bracket has the limiting plate, open the bottom of limiting plate has the fixed slot, the inside of fixed slot is provided with the insulating pad, the bottom of insulating pad is provided with compression spring. The utility model discloses avoid not using the emergence electric quantity phenomenon of leaking at the cylinder lithium cell, improve the convenience that the cylinder lithium cell used, improve the stability that the cylinder lithium cell used, flame leaks when avoiding the cylinder lithium cell to take place to catch fire, improves the security that the cylinder lithium cell used.
Description
Technical Field
The utility model relates to a cylinder lithium cell technical field especially relates to a safe combination cylinder lithium cell cap subassembly.
Background
The cylindrical lithium battery is divided into lithium cobaltate, lithium manganate and ternary materials. The three-material system battery has different advantages, and the battery is widely applied to: in the fields of notebook computers, digital cameras, lighting lamps, toy products, electric tools, portable mobile energy sources and the like, lithium batteries can be roughly divided into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few countries of companies are producing such lithium metal batteries.
The cylindrical lithium battery cap component in the prior art has the following problems: the electric quantity phenomenon of leaking can take place when the cylinder lithium cell does not use, and the cylinder lithium cell uses relatively inconvenient, and the stability that the cylinder lithium cell used is relatively poor, and flame leaks when the cylinder lithium cell takes place to catch fire, and the security that the cylinder lithium cell used is relatively poor.
Therefore, it is desirable to design a safety-combined cylindrical lithium battery cap assembly to solve the above problems.
Disclosure of Invention
The utility model aims at solving the problem that the electric quantity can be leaked when the cylindrical lithium battery is not used that exists among the prior art, the cylindrical lithium battery is not convenient relatively, the stability and the security homogeneous phase that the cylindrical lithium battery is used are relatively poor shortcomings, and the safety combination cylindrical lithium battery cap component that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a cylinder lithium cell cap subassembly closes safely, includes cylinder lithium cell body, cylinder lithium cell body is including the protecting crust, the top of protecting crust is provided with the block, the bottom welding of block has the arc frame, the bottom integrated into one piece of arc frame has the expansion bracket, be provided with the insulating collar between the outside of expansion bracket and the protecting crust, the inside of cylinder lithium cell body is provided with electric core, the top welding of electric core has the contact plate, the welding of inner wall one side of protecting crust has the fixed plate, the welding of both sides of expansion bracket has the limiting plate, open the bottom of limiting plate has the fixed slot, the inside of fixed slot is provided with the insulating pad, the bottom of insulating pad is provided with compression spring.
The key concept of the technical scheme is as follows: the phenomenon of electric quantity leakage when the cylindrical lithium battery is not used is avoided, and the use stability of the cylindrical lithium battery is improved.
Furthermore, the inner wall of the protective shell is provided with a second insulating shell, and the inner wall of the second insulating shell is provided with a heat insulation shell.
Furthermore, an explosion-proof shell is arranged inside the heat insulation shell, a first insulation shell is arranged on the inner wall of the explosion-proof shell, and an electrode layer is arranged between the first insulation shell and the battery core.
Furthermore, an insulation board I is arranged between the limiting board and the protective shell, and an insulation board II is arranged at the bottom of the limiting board.
Furthermore, the inner wall welding of protecting crust has the support frame, the bottom welding of support frame is at the top of fixed plate.
Furthermore, a plurality of explosion-proof plates are welded between the supporting frame and the protective shell, and flame-retardant cotton is arranged between every two adjacent explosion-proof plates.
Furthermore, the top of block is provided with the recess, the outside of cylinder lithium cell body is provided with the crust.
The utility model has the advantages that:
1. through the expansion bracket, contact plate, compression spring and the limiting plate that set up, the expansion bracket contacts with the contact plate when receiving external pressure, makes cylinder lithium cell work, avoids taking place the electric quantity phenomenon of leaking when the cylinder lithium cell does not use, and compression spring enables the expansion bracket and resumes the primary position, improves the convenience that the cylinder lithium cell used, and the limiting plate can avoid the expansion bracket to break away from the top of protecting crust, improves the stability that the cylinder lithium cell used.
2. Through support frame, explosion-proof board and the fire-retardant cotton that sets up, the support frame can support between fixed plate and the protecting crust, improves the stability of protecting crust on cylinder lithium cell top, and the explosion-proof board can play explosion-proof effect to the cylinder lithium cell, and flame leakage when catching fire can be avoided cylindrical lithium cell to fire-retardant cotton.
3. Through the thermal-insulated shell and the explosion-proof shell that set up, thermal-insulated shell can play thermal-insulated effect to the cylinder lithium cell, avoids ambient temperature to cause the influence to the cylinder lithium cell, improves the stability that the cylinder lithium cell used, and the explosion-proof shell can improve the security that the cylinder lithium cell used.
4. Through the recess and the block that set up, the hardness of block not only can be increased to the recess, and it is spacing that the recess is convenient for carry out the joint to less contact point simultaneously, improves the stability that the cylinder lithium cell used, and the block increases the area of contact of expansion bracket and contact point, improves the stability of cylinder lithium cell power supply.
Drawings
Fig. 1 is a schematic view of an overall structure of a safety assembled cylindrical lithium battery cap assembly according to the present invention;
fig. 2 is a schematic diagram of a cap structure of a safety assembled cylindrical lithium battery cap assembly according to the present invention;
fig. 3 is a schematic diagram of an internal structure of a safety assembled cylindrical lithium battery cap assembly according to the present invention;
fig. 4 is an enlarged schematic structural view of a of the safety combination cylindrical lithium battery cap assembly according to the present invention.
In the figure: 1 cylinder lithium cell body, 2 protective housing, 3 block, 4 crust, 5 recesses, 6 arc framves, 7 expansion brackets, 8 insulating collars, 9 electric cores, 10 contact plates, 11 electrode layer, 12 insulating shell one, 13 explosion-proof shell, 14 thermal-insulated shell, 15 insulating shell two, 16 fixed plates, 17 support frames, 18 explosion-proof boards, 19 fire-retardant cotton, 20 insulating board one, 21 limiting plates, 22 fixed slots, 23 insulating board two, 24 insulating pads, 25 compression spring.
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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, a safety combination cylindrical lithium battery cap assembly includes a cylindrical lithium battery body 1, the cylindrical lithium battery body 1 includes a protective shell 2, a cap 3 is disposed on the top of the protective shell 2, an arc frame 6 is welded on the bottom of the cap 3, an expansion frame 7 is integrally formed on the bottom of the arc frame 6, the expansion frame 7 contacts with a contact plate 10 when being subjected to an external pressure, so as to enable the cylindrical lithium battery to work, thereby avoiding an electric quantity leakage phenomenon when the cylindrical lithium battery is not used, an insulating ring 8 is disposed between the outside of the expansion frame 7 and the protective shell 2, an electric core 9 is disposed inside the cylindrical lithium battery body 1, the contact plate 10 is welded on the top of the electric core 9, a fixing plate 16 is welded on one side of the inner wall of the protective shell 2, limiting plates 21 are welded on both sides of the expansion frame 7, the limiting plates 21 can prevent the expansion frame 7 from separating from the top of the protective shell 2, thereby improving the stability of the cylindrical lithium battery, fixed slot 22 has been opened to the bottom of limiting plate 21, and the inside of fixed slot 22 is provided with insulating pad 24, and insulating pad 24's bottom is provided with compression spring 25, and compression spring 25 enables expansion bracket 7 and resumes original position, improves the convenience that the cylinder lithium cell used.
As can be seen from the above description, the present invention has the following advantages: through the expansion bracket 7 that sets up, contact plate 10, compression spring 25 and limiting plate 21, the expansion bracket 7 contacts with contact plate 10 when receiving external pressure, makes cylinder lithium cell work, avoids taking place the electric quantity phenomenon of leaking when the cylinder lithium cell does not use, and compression spring 25 enables expansion bracket 7 and resumes the primary position, improves the convenience that the cylinder lithium cell used, and limiting plate 21 can avoid expansion bracket 7 to break away from the top of protecting crust 2, improves the stability that the cylinder lithium cell used.
Further, the inner wall of protecting crust 2 is provided with insulating shell two 15, and the inner wall of insulating shell two 15 is provided with thermal-insulated shell 14, and thermal-insulated shell 14 can play thermal-insulated effect to the cylinder lithium cell, avoids ambient temperature to cause the influence to the cylinder lithium cell, improves the stability that the cylinder lithium cell used.
Further, the inside of the heat insulation shell 14 is provided with an explosion-proof shell 13, the explosion-proof shell 13 can improve the safety of the cylindrical lithium battery, the inner wall of the explosion-proof shell 13 is provided with a first insulation shell 12, and an electrode layer 11 is arranged between the first insulation shell 12 and the battery cell 9.
Furthermore, an insulation board I20 is arranged between the limiting board 21 and the protective shell 2, the insulation board I20 can insulate the limiting board 21 and the protective shell 2, and an insulation board II 23 is arranged at the bottom of the limiting board 21.
Further, the inner wall welding of protecting crust 2 has support frame 17, and support frame 17 can support between fixed plate 16 and the protecting crust 2, improves the stability of protecting crust 2 on the cylinder lithium cell top, and the bottom welding of support frame 17 is at the top of fixed plate 16.
Further, a plurality of explosion-proof plates 18 are welded between the supporting frame 17 and the protective shell 2, the explosion-proof plates 18 can play an explosion-proof role for the cylindrical lithium battery, flame-retardant cotton 19 is arranged between every two adjacent explosion-proof plates 18, and flame leakage when the cylindrical lithium battery catches fire can be avoided due to the flame-retardant cotton 19.
Further, the top of block 3 is provided with recess 5, and recess 5 can not only increase the hardness of block 3, and it is spacing to be convenient for carry out the joint to less contact point simultaneously recess 5, improves the stability that the cylinder lithium cell used, and the outside of cylinder lithium cell body 1 is provided with crust 4.
Adopt the thermal-insulated shell 14 and the explosion-proof shell 13 of above-mentioned setting, thermal-insulated shell 14 can play thermal-insulated effect to the cylinder lithium cell, avoids ambient temperature to cause the influence to the cylinder lithium cell, improves the stability that the cylinder lithium cell used, and explosion-proof shell 13 can improve the security that the cylinder lithium cell used.
In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:
example 1
A safety combined cylindrical lithium battery cap component comprises a cylindrical lithium battery body 1, wherein the cylindrical lithium battery body 1 comprises a protective shell 2, the top of the protective shell 2 is provided with a cap 3, the bottom of the cap 3 is welded with an arc-shaped frame 6, the bottom of the arc-shaped frame 6 is integrally formed with a telescopic frame 7, the telescopic frame 7 is contacted with a contact plate 10 when being subjected to external pressure, so that the cylindrical lithium battery works, the phenomenon that electric quantity leaks when the cylindrical lithium battery is not used is avoided, an insulating ring 8 is arranged between the outer part of the telescopic frame 7 and the protective shell 2, an electric core 9 is arranged inside the cylindrical lithium battery body 1, the contact plate 10 is welded at the top of the electric core 9, a fixed plate 16 is welded at one side of the inner wall of the protective shell 2, limiting plates 21 are welded at two sides of the telescopic frame 7, the limiting plates 21 can prevent the telescopic frame 7 from being separated from the top of the protective shell 2, and the use stability of the cylindrical lithium battery is improved, fixed slot 22 has been opened to the bottom of limiting plate 21, and the inside of fixed slot 22 is provided with insulating pad 24, and insulating pad 24's bottom is provided with compression spring 25, and compression spring 25 enables expansion bracket 7 and resumes original position, improves the convenience that the cylinder lithium cell used.
The inner wall of the protective shell 2 is provided with a second insulating shell 15, the inner wall of the second insulating shell 15 is provided with a heat insulation shell 14, and the heat insulation shell 14 can play a heat insulation role in the cylindrical lithium battery, so that the influence of external temperature on the cylindrical lithium battery is avoided, and the use stability of the cylindrical lithium battery is improved; an explosion-proof shell 13 is arranged in the heat insulation shell 14, the explosion-proof shell 13 can improve the use safety of the cylindrical lithium battery, a first insulating shell 12 is arranged on the inner wall of the explosion-proof shell 13, and an electrode layer 11 is arranged between the first insulating shell 12 and the battery cell 9; an insulation plate I20 is arranged between the limiting plate 21 and the protective shell 2, the insulation plate I20 can insulate the limiting plate 21 and the protective shell 2, and an insulation plate II 23 is arranged at the bottom of the limiting plate 21; the inner wall of the protective shell 2 is welded with a support frame 17, the support frame 17 can support the space between the fixed plate 16 and the protective shell 2, the stability of the protective shell 2 at the top end of the cylindrical lithium battery is improved, and the bottom of the support frame 17 is welded at the top of the fixed plate 16; a plurality of explosion-proof plates 18 are welded between the support frame 17 and the protective shell 2, the explosion-proof plates 18 can perform an explosion-proof function on the cylindrical lithium battery, flame-retardant cotton 19 is arranged between every two adjacent explosion-proof plates 18, and the flame-retardant cotton 19 can prevent flame from leaking when the cylindrical lithium battery catches fire; the top of block 3 is provided with recess 5, and recess 5 can not only increase the hardness of block 3, and it is spacing to be convenient for carry out the joint to less contact point simultaneously recess 5, improves the stability that the cylinder lithium cell used, and the outside of cylinder lithium cell body 1 is provided with crust 4.
The working principle is as follows: when the lithium battery protective cover is used, the expansion bracket 7 can be stressed by external pressure, at the moment, the expansion bracket 7 is in contact with the contact plate 10, so that a cylindrical lithium battery works, when the cylindrical lithium battery is not used, the expansion bracket 7 can be restored to the original position due to the compression spring 25, the convenience in use of the cylindrical lithium battery is improved, meanwhile, the phenomenon of electric quantity leakage when the cylindrical lithium battery is not used is avoided, the limiting plate 21 can prevent the expansion bracket 7 from being separated from the top of the protective shell 2, the stability in use of the cylindrical lithium battery is improved, the adopted groove 5 form can not only increase the hardness of the cover cap 3, but also the groove 5 is convenient for clamping and limiting smaller contact points, the stability in use of the cylindrical lithium battery is improved, the contact area between the expansion bracket 7 and the contact points is increased by the cover cap 3, the stability in power supply of the cylindrical lithium battery is improved, the supporting frame 17 can support between the fixed plate 16 and the protective shell 2, and the stability of the protective shell 2 at the top end of the cylindrical lithium battery is improved, explosion-proof board 18 can play explosion-proof effect to the cylinder lithium cell, and flame leakage when catching fire can be avoided cylinder lithium cell to fire-retardant cotton 19, and the thermal-insulated shell 14 of adoption can play thermal-insulated effect to the cylinder lithium cell, avoids ambient temperature to cause the influence to the cylinder lithium cell, improves the stability that the cylinder lithium cell used, and explosion-proof shell 13 can improve the security that the cylinder lithium cell used.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (7)
1. The safety combined cylindrical lithium battery cap component comprises a cylindrical lithium battery body (1) and is characterized in that the cylindrical lithium battery body (1) comprises a protective shell (2), a cap (3) is arranged at the top of the protective shell (2), an arc-shaped frame (6) is welded at the bottom of the cap (3), a telescopic frame (7) is integrally formed at the bottom of the arc-shaped frame (6), an insulating ring (8) is arranged between the outside of the telescopic frame (7) and the protective shell (2), an electric core (9) is arranged inside the cylindrical lithium battery body (1), a contact plate (10) is welded at the top of the electric core (9), a fixing plate (16) is welded at one side of the inner wall of the protective shell (2), limiting plates (21) are welded at two sides of the telescopic frame (7), and a fixing groove (22) is formed at the bottom of the limiting plate (21), an insulating pad (24) is arranged inside the fixing groove (22), and a compression spring (25) is arranged at the bottom of the insulating pad (24).
2. The safety-combined cylindrical lithium battery cap assembly according to claim 1, wherein the inner wall of the protective shell (2) is provided with a second insulating shell (15), and the inner wall of the second insulating shell (15) is provided with a heat insulating shell (14).
3. The safety combination cylindrical lithium battery cap assembly according to claim 2, wherein an explosion-proof shell (13) is arranged inside the heat insulation shell (14), a first insulation shell (12) is arranged on the inner wall of the explosion-proof shell (13), and an electrode layer (11) is arranged between the first insulation shell (12) and the battery cell (9).
4. The safety combination cylindrical lithium battery cap assembly according to claim 1, wherein a first insulating plate (20) is arranged between the limiting plate (21) and the protective shell (2), and a second insulating plate (23) is arranged at the bottom of the limiting plate (21).
5. The safety-combined cylindrical lithium battery cap assembly according to claim 1, wherein the inner wall of the protective shell (2) is welded with a support frame (17), and the bottom of the support frame (17) is welded on the top of the fixing plate (16).
6. The safety combination cylindrical lithium battery cap assembly according to claim 5, wherein a plurality of explosion-proof plates (18) are welded between the supporting frame (17) and the protective shell (2), and flame-retardant cotton (19) is arranged between two adjacent explosion-proof plates (18).
7. The safety-combined cylindrical lithium battery cap assembly according to claim 1, wherein the top of the cap (3) is provided with a groove (5), and the outside of the cylindrical lithium battery body (1) is provided with a skin (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120343769.9U CN214280157U (en) | 2021-02-07 | 2021-02-07 | Safety combination cylinder lithium battery cap subassembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120343769.9U CN214280157U (en) | 2021-02-07 | 2021-02-07 | Safety combination cylinder lithium battery cap subassembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214280157U true CN214280157U (en) | 2021-09-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120343769.9U Active CN214280157U (en) | 2021-02-07 | 2021-02-07 | Safety combination cylinder lithium battery cap subassembly |
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| Country | Link |
|---|---|
| CN (1) | CN214280157U (en) |
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2021
- 2021-02-07 CN CN202120343769.9U patent/CN214280157U/en active Active
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