CN214589151U - Lithium battery with explosion-proof valve structure - Google Patents
Lithium battery with explosion-proof valve structure Download PDFInfo
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- CN214589151U CN214589151U CN202120293648.8U CN202120293648U CN214589151U CN 214589151 U CN214589151 U CN 214589151U CN 202120293648 U CN202120293648 U CN 202120293648U CN 214589151 U CN214589151 U CN 214589151U
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- rubber ring
- explosion
- ring
- lithium battery
- proof valve
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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 lithium battery with an explosion-proof valve structure, which comprises a rubber ring, a positioning ring and a lithium battery body, wherein the rubber ring is sleeved at the top of the lithium battery body, and a truncated cone-shaped cylinder body is clamped and installed in the positioning ring; through the design of the rubber ring, the truncated cone-shaped cylinder body, the positioning ring and the locking bolt, and through the structures of the insulating rubber ring, the insulating ring, the pore plate and the like which are arranged from top to bottom at one time, when the temperature of the lithium battery rises, the insulating structure can play a role in cutting off a current loop of the lithium battery, thereby playing a certain explosion-proof role; rubber ring and position circle structure through locking bolt locking installation for the relevant insulation system of explosion-proof valve not only cup joints alone and sets up in lithium cell body's upper portion, still plays certain fixed action to the rubber ring through the position circle with the help of the lithium cell by collective lateral part, with the reinforcement and the effect of realizing the relevant insulation system of explosion-proof valve, also makes explosion-proof valve insulation system easy dismounting simple through bolt structure.
Description
Technical Field
The utility model relates to a lithium cell technical field specifically is a lithium cell with explosion-proof valve structure.
Background
Lithium batteries are batteries using a nonaqueous electrolyte solution and made of lithium metal or lithium alloy as a negative electrode material, and can be roughly divided into two types, namely lithium metal batteries and lithium ion batteries.
However, the lithium battery in the prior art has the problems that in the convenient process of the lithium battery, the hidden trouble that the battery explodes due to the overhigh internal temperature caused by overlarge current exists, and related structures such as an explosion-proof valve and the like are often adopted in the prior art to play an insulating and isolating role for the lithium battery when the temperature of the battery is overhigh; however, the relevant insulation structure of the explosion-proof valve in the prior art is often only simply sleeved on the lithium battery body, so that the installation effect of the sleeve of the relevant structure of the explosion-proof valve is relatively general, and therefore, a lithium battery with the explosion-proof valve structure needs to be provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lithium cell with explosion-proof valve structure to solve prior art that proposes in the above-mentioned background art and often adopt relevant structures such as explosion-proof valve to play when the battery temperature is too high and locate lithium cell body to the insulating isolation of lithium cell, the relevant insulation system of explosion-proof valve often only simple cover, make the cover of the relevant structure of explosion-proof valve establish the comparatively general problem of installation effect.
In order to achieve the above object, the utility model provides a following technical scheme: a lithium battery with an explosion-proof valve structure comprises a rubber ring, a positioning ring and a lithium battery body, wherein the rubber ring is sleeved at the top of the lithium battery body, a truncated cone-shaped cylinder body is clamped and mounted inside the positioning ring, a pore plate is further arranged inside the positioning ring, an insulating ring is fixedly connected to the bottom of the pore plate, and the truncated cone-shaped cylinder body and the insulating ring are tightly pressed and mounted inside the rubber ring by the truncated cone-shaped cylinder body;
the lateral part of lithium cell body is located to the position circle cover, the locking screw who is used for locking the position circle is installed to the lateral part screw thread of position circle, the upper portion integrated into one piece of position circle has the bulge loop, the bolt hole has been seted up on the bulge loop, the counter sink has been seted up to the bottom of rubber ring, run through on counter sink and the bolt hole and have locked bolt, just locking bolt passes through nut locking and installs on rubber ring and position circle.
Preferably, the rubber ring is a stepped rubber ring with a first through hole integrally formed at the top.
Preferably, an annular groove is integrally formed in the rubber ring, and the pore plate and the insulating ring are both located in the annular groove of the rubber ring.
Preferably, the inside portion integrated into one piece of rubber ring has annular protruding circle, circular truncated cone shape barrel passes through annular protruding circle joint and installs in the inside of rubber ring.
Preferably, at least two groups of second through holes are formed in the pore plate, the insulating ring is provided with a third through hole, and two groups of fourth through holes are formed in the truncated cone-shaped cylinder.
Preferably, two ends of the first through hole are communicated with the second through hole, and two ends of the third through hole are communicated with the second through hole.
Preferably, a threaded through hole is formed in the positioning ring, the locking screw is installed in the threaded through hole in a threaded mode, the end portion of the locking screw is fixedly connected with a pressing piece, and the pressing piece is attached to the side portion of the lithium battery body.
Preferably, the rubber ring and the locking bolts on the positioning ring are provided with at least two groups.
Preferably, the locking screws on the positioning ring are provided with at least three groups.
Preferably, an attaching sheet is arranged on the inner side wall of the rubber ring and attached to the upper end of the side portion of the lithium battery body.
Compared with the prior art, the beneficial effects of the utility model are that:
through the design of the rubber ring, the truncated cone-shaped cylinder body, the positioning ring and the locking bolt, and through the structures of the insulating rubber ring, the insulating ring, the pore plate and the like which are arranged from top to bottom at one time, when the temperature of the lithium battery rises, the insulating structure can play a role in cutting off a current loop of the lithium battery, thereby playing a certain explosion-proof role; rubber ring and position circle structure through locking bolt locking installation for the relevant insulation system of explosion-proof valve not only cup joints alone and sets up in lithium cell body's upper portion, still plays certain fixed action to the rubber ring through the position circle with the help of the lithium cell by collective lateral part, with the reinforcement and the effect of realizing the relevant insulation system of explosion-proof valve, also makes explosion-proof valve insulation system easy dismounting simple through bolt structure.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
FIG. 1 is a schematic sectional view of the present invention;
FIG. 2 is a schematic view of a part of the structure of the present invention;
FIG. 3 is an enlarged schematic view of the structure of FIG. 1;
fig. 4 is a schematic structural view of the lithium battery body and the positioning ring of the present invention;
fig. 5 is a schematic view of a part of the structure of the lithium battery body of the present invention.
In the figure: 1. a rubber ring; 2. positioning rings; 3. locking the bolt; 4. a first through hole; 5. an annular groove; 6. a second through hole; 7. a nut; 8. an orifice plate; 9. an insulating ring; 10. an annular convex ring; 11. a bonding sheet; 12. a convex ring; 13. a third through hole; 14. a truncated cone-shaped cylinder; 15. a fourth via hole; 16. a lithium battery body; 17. a countersunk hole; 18. locking the screw; 19. bolt holes; 20. a threaded through hole; 21. and a pressing sheet.
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. 1-5, the present invention provides a technical solution:
a lithium battery with an explosion-proof valve structure comprises a rubber ring 1, a positioning ring 2 and a lithium battery body 16, wherein the rubber ring 1 is sleeved at the top of the lithium battery body 16, a truncated cone-shaped cylinder 14 is clamped and mounted inside the positioning ring 2, a pore plate 8 is further arranged inside the positioning ring 2, an insulating ring 9 is fixedly connected to the bottom of the pore plate 8, and the truncated cone-shaped cylinder 14 and the insulating ring 9 are tightly pressed and mounted inside the rubber ring 1 through the truncated cone-shaped cylinder 14;
The rubber ring 1 is a stepped rubber ring with a first through hole 4 integrally formed at the top; an annular groove 5 is integrally formed in the rubber ring 1, and the pore plate 8 and the insulating ring 9 are both positioned in the annular groove 5 of the rubber ring 1; the inner side of the rubber ring 1 is integrally formed with an annular convex ring 10, and the circular truncated cone-shaped cylinder 14 is clamped and installed inside the rubber ring 1 through the annular convex ring 10.
The pore plate 8 is provided with at least two groups of second through holes 6, the insulating ring 9 is provided with an insulating ring 9 with third through holes 13, and the truncated cone-shaped cylinder 14 is provided with two groups of fourth through holes 15; two ends of the first through hole 4 are communicated with the second through hole 6, and two ends of the third through hole 13 are communicated with the second through hole 6.
A threaded through hole 20 is formed in the positioning ring 2, the locking screw 18 is installed in the threaded through hole 20 in a threaded manner, the end part of the locking screw 18 is fixedly connected with a pressing piece 21, and the pressing piece 21 is attached to the side part of the lithium battery body 16; at least two groups of locking bolts 3 are arranged on the rubber ring 1 and the positioning ring 2; at least three groups of locking screws 18 are arranged on the positioning ring 2; the inner side wall of the rubber ring 1 is provided with an attaching sheet 11, and the attaching sheet 11 is attached to the upper end of the side part of the lithium battery body 16.
The working principle is as follows: through the design of the rubber ring 1, the truncated cone-shaped cylinder 14, the positioning ring 2 and the locking bolt 3 and the structures of the insulating rubber ring, the insulating ring 9, the pore plate 8 and the like which are arranged from top to bottom at one time, when the temperature of the lithium battery rises, the insulating structure can play a role in cutting off a current loop of the lithium battery, thereby playing a certain anti-explosion role; rubber ring 1 and position ring 2 structure through locking bolt 3 locking installation for the relevant insulation system of explosion-proof valve not only cup joints alone and sets up in the upper portion of lithium cell body 16, still plays certain fixed action to rubber ring 1 through position ring 2 with the help of the lithium cell by collective 16 lateral parts, with the reinforcement and the effect that realize the relevant insulation system of explosion-proof valve, also makes explosion-proof valve insulation system easy dismounting simple through bolt structure. .
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The utility model provides a lithium cell with explosion-proof valve structure, includes rubber ring (1), position circle (2) and lithium cell body (16), the top of lithium cell body (16) is located to rubber ring (1) cover, round platform shape barrel (14), its characterized in that are installed to the inside joint of position circle (2): a pore plate (8) is further arranged inside the positioning ring (2), the bottom of the pore plate (8) is fixedly connected with an insulating ring (9), and the truncated cone-shaped cylinder (14) tightly presses the truncated cone-shaped cylinder (14) and the insulating ring (9) into the rubber ring (1);
lithium cell body (16)'s lateral part is located to position circle (2) cover, the lateral part screw thread of position circle (2) is installed and is used for locking screw (18) of position circle (2), the upper portion integrated into one piece of position circle (2) has bulge loop (12), bolt hole (19) have been seted up on bulge loop (12), counter bore (17) have been seted up to the bottom of rubber ring (1), run through on counter bore (17) and bolt hole (19) and have locking bolt (3), just locking bolt (3) are installed on rubber ring (1) and position circle (2) through nut (7) locking.
2. A lithium battery having an explosion-proof valve structure according to claim 1, characterized in that: the rubber ring (1) is a stepped rubber ring with a first through hole (4) integrally formed at the top.
3. A lithium battery having an explosion-proof valve structure according to claim 1, characterized in that: the rubber ring is characterized in that an annular groove (5) is integrally formed in the rubber ring (1), and the pore plate (8) and the insulating ring (9) are both located in the annular groove (5) of the rubber ring (1).
4. A lithium battery having an explosion-proof valve structure according to claim 1, characterized in that: the rubber ring is characterized in that an annular convex ring (10) is integrally formed at the inner side part of the rubber ring (1), and the circular truncated cone-shaped cylinder body (14) is clamped and installed inside the rubber ring (1) through the annular convex ring (10).
5. A lithium battery having an explosion-proof valve structure according to claim 2, characterized in that: the hole plate (8) is provided with at least two groups of second through holes (6), the insulating ring (9) with third through holes (13) is arranged on the insulating ring (9), and the truncated cone-shaped cylinder (14) is provided with two groups of fourth through holes (15).
6. A lithium battery having an explosion-proof valve structure according to claim 5, wherein: the two ends of the first through hole (4) are communicated with the second through hole (6), and the two ends of the third through hole (13) are communicated with the second through hole (6).
7. A lithium battery having an explosion-proof valve structure according to claim 1, characterized in that: threaded through holes (20) are formed in the positioning rings (2), the locking screws (18) are installed on the threaded through holes (20) and the end portions of the locking screws (18) in a threaded mode and fixedly connected with pressing pieces (21), and the pressing pieces (21) are attached to the side portions of the lithium battery body (16).
8. A lithium battery having an explosion-proof valve structure according to claim 1, characterized in that: and at least two groups of locking bolts (3) are arranged on the rubber ring (1) and the positioning ring (2).
9. A lithium battery having an explosion-proof valve structure according to claim 1, characterized in that: and at least three groups of locking screws (18) on the positioning ring (2) are arranged.
10. A lithium battery having an explosion-proof valve structure according to claim 1, characterized in that: be provided with laminating piece (11) on the inside lateral wall of rubber ring (1), laminating piece (11) is in the lateral part upper end of lithium cell body (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120293648.8U CN214589151U (en) | 2021-02-02 | 2021-02-02 | Lithium battery with explosion-proof valve structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120293648.8U CN214589151U (en) | 2021-02-02 | 2021-02-02 | Lithium battery with explosion-proof valve structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214589151U true CN214589151U (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120293648.8U Active CN214589151U (en) | 2021-02-02 | 2021-02-02 | Lithium battery with explosion-proof valve structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214589151U (en) |
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2021
- 2021-02-02 CN CN202120293648.8U patent/CN214589151U/en active Active
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