CN214589031U - Oval battery explosion-proof piece with U type rupture disk - Google Patents
Oval battery explosion-proof piece with U type rupture disk Download PDFInfo
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- CN214589031U CN214589031U CN202120753698.XU CN202120753698U CN214589031U CN 214589031 U CN214589031 U CN 214589031U CN 202120753698 U CN202120753698 U CN 202120753698U CN 214589031 U CN214589031 U CN 214589031U
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- blasting
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- rupture disc
- blasting body
- nick
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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
Abstract
The utility model relates to an ellipse shape battery rupture disk with U type rupture disk, including explosion-proof body, first blasting body, second blasting body and third blasting body, explosion-proof body is oval ring type, first blasting body coupling is in the interior lower extreme terminal side of explosion-proof body, second blasting body is the arc type sunken right, connects in the interior week at the convex both ends of first blasting body, third blasting body is the U type, including two, two third blasting bodies are connected in the interior week of first blasting body straight shape end and second blasting body respectively outwards to extend relatively, the interior week that second blasting body is close to the third blasting body is equipped with first nick, interior week in the outside of third blasting body is equipped with the second nick. The utility model discloses can satisfy battery normal use, can prevent again that the explosion-proof piece from droing, the security is high.
Description
Technical Field
The utility model relates to a battery safety protection technical field, concretely relates to ellipse shape battery explosion-proof piece with U type rupture disk.
Background
With the increasing demand of the power battery market, the safety performance of the battery is also higher, and how to improve the safety performance of the battery becomes a long-term target of battery manufacturers.
The explosion-proof piece is a very critical part for ensuring the safety of the power battery, and when the pressure in the battery is increased to exceed a safety threshold value, whether the explosion-proof piece can release the pressure in time is very important, so that the stability of explosion of the explosion-proof piece is a very critical factor for ensuring the safety performance of the battery. When the high pressure that forms inside the battery reaches the threshold value of explosion-proof piece, the explosion-proof piece is broken open, and the battery carries out the pressure release, has greatly reduced the risk of battery explosion.
At present, the notch grooves of the explosion-proof sheet on the market are closed, after the explosion-proof sheet is opened, the explosion-proof sheet can easily fall off, the explosion-proof sheet falls down to contact the inside of the battery of the explosion-proof sheet, the current can be continuously increased, the battery is electrified for the second time, and dangerous accidents occur.
Furthermore, among the prior art, be equipped with the nick in a lot of battery blasting main parts, but because of joint strength is too firm, when the battery threshold value reaches, can't in time split, and then lead to the emergence of explosion accident, can't play safe effect, be unfavorable for the use of explosion-proof piece, if deepen the nick degree of depth, can't reach the threshold value of settlement again, can't satisfy the normal use of battery.
SUMMERY OF THE UTILITY MODEL
To solve the problems set forth in the background art described above. The utility model provides a can satisfy battery normal use, can prevent again that the explosion-proof piece from droing, the high ellipse shape battery explosion-proof piece that has U type rupture disk of security.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ellipse shape battery rupture disk with U type rupture disk, includes explosion-proof body, first blasting body, second blasting body and third blasting body, explosion-proof body is oval ring type, first blasting body is connected in the lower extreme terminal side of explosion-proof body internal week, second blasting body is the arc type of sunken right, connects in the interior week at the convex both ends of first blasting body, third blasting body is the U type, including two, and two third blasting bodies outwards extend respectively and connect relatively in the interior week of first blasting body straight shape end and second blasting body, the interior week that second blasting body is close to the third blasting body is equipped with first nick, the interior week in the outside of third blasting body is equipped with the second nick.
As further elaboration of the technical scheme:
preferably, the cross section of the first blasting body is straight extending to the right, and the extending direction of the second blasting body is opposite to that of the first blasting body.
Preferably, the open end of the U-shaped third blasting body is connected with the inner periphery of the straight end of the first blasting body and extends towards both sides to be connected with the inner periphery of the second blasting body, and the bottom ends of the U-shaped third blasting bodies extend upwards to be connected together.
Preferably, the cross sections of the first nick and the second nick are rectangular, V-shaped, inverted trapezoid or circular arc-shaped, and the sizes of the first nick and the second nick are the same.
Preferably, the first, second and third burst bodies have the same thickness and are smaller than the thickness of the burst body.
Preferably, the height of the third blasting body relative to the second blasting body is the same as the thickness of the blasting body.
Preferably, the length of the periphery of the explosion-proof body is 41.87mm to 41.93mm, the width of the periphery of the explosion-proof body is 27.87mm to 27.93mm, the thickness of the explosion-proof body is 0.47mm to 0.53mm, the length of the periphery of the first explosion body is 37.87mm to 37.93mm, the width of the periphery of the first explosion body is 23.87mm to 23.93mm, the length of the periphery of the second explosion body is 35.07mm to 35.13mm, and the width of the periphery of the second explosion body is 21.07mm to 21.13 mm.
Preferably, the length of the periphery of the explosion-proof body is 41.90mm, the width of the periphery of the explosion-proof body is 27.90mm, the thickness of the explosion-proof body is 0.50mm, the length of the periphery of the first explosion body is 37.90mm, the width of the periphery of the first explosion body is 23.90mm, the length of the periphery of the second explosion body is 35.10mm, and the width of the periphery of the second explosion body is 21.10 mm.
Preferably, the cross sections of the first nick and the second nick are circular arcs, the circular arc diameters of the first nick and the second nick are 0.37-0.43 mm, the thickness from the bottom of the first nick to the second blasting body is greater than 0.07mm, and the thickness from the bottom of the second nick to the third blasting body is also greater than 0.07 mm.
Preferably, the explosion-proof body, the first explosion body, the second explosion body and the third explosion body are all made of MFX2-O material.
Compared with the prior art, the beneficial effects of the utility model are that:
one of the two, the utility model discloses an explosion-proof body, first blasting body, second blasting body and third blasting body, explosion-proof body is oval ring type, first blasting body coupling is in the interior peripheral lower extreme of explosion-proof body end, second blasting body is the arc type sunken right, connects in the interior periphery at the convex both ends of first blasting body, third blasting body is the U type, including two, two third blasting bodies are connected in the interior periphery of first blasting body straight end and second blasting body respectively outwards to extend relatively, and second blasting body is close to the interior periphery of third blasting body and is equipped with first nick, the interior periphery in the outside of third blasting body is equipped with the second nick, can satisfy the normal use of battery, ensures to reach the battery threshold value.
And secondly, first nick and second nick cross section all are rectangle, V-arrangement, fall trapezoidal or convex, and the size is the same, the thickness of first blasting body, second blasting body and third blasting body is the same, and is less than the thickness of explosion-proof body, can guarantee timely blasting when the battery threshold value reaches.
Third, the third blasting body is the U type, including two, two third blasting bodies are connected in the interior week of first blasting body straight end and second blasting body respectively outwards to extend relatively, combine the setting of first nick and second nick, and the back is opened to the explosion-proof piece, and first nick and second nick can split, prevent that the blasting body from droing, cause the short circuit, its simple structure, and overall security is high.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view taken along line B-B of FIG. 1;
fig. 3 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1. an explosion-proof body; 2. a first blasting body; 3. a second blasting body; 4. a third blasting body; 5. a first score; 6. a second score.
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.
As shown in fig. 1-3, the utility model relates to an oval battery rupture disk with U type rupture disk, including explosion-proof body 1, first blasting body 2, second blasting body 3 and third blasting body 4, explosion-proof body 1 is oval ring type, first blasting body 2 is connected in the lower extreme end side of explosion-proof body 1 internal week, second blasting body 3 is the arc type of sunken right side, connects in the internal week at the 2 convex both ends of first blasting body, third blasting body 4 is the U type, including two, two third blasting bodies 4 outwards extend respectively and connect in the internal week of first blasting body 2 straight end and second blasting body 3 relatively, the internal week that second blasting body 3 is close to third blasting body 4 is equipped with first nick 5, the internal week in the outside of third blasting body 4 is equipped with second nick 6.
As shown in fig. 1 to 3, the first explosive body 2 has a straight cross section extending to the right, and the second explosive body 3 extends in the direction opposite to the first explosive body 2. The open end of the U-shaped third blasting body 4 is connected with the inner periphery of the straight end of the first blasting body 2, extends towards two sides and is connected with the inner periphery of the second blasting body 3, and the bottom end of the U-shaped third blasting body 4 extends upwards and is connected together.
As shown in fig. 2 to 3, the cross sections of the first nick 5 and the second nick 6 are rectangular, V-shaped, inverted trapezoidal or circular arc-shaped, and have the same size.
Further, the thicknesses of the first blasting body 2, the second blasting body 3 and the third blasting body 4 are the same and are smaller than that of the blasting body 1.
As shown in fig. 2, the height of the third burst body 4 relative to the second burst body 3 is the same as the thickness of the burst body 1.
Further, the length of the periphery of the explosion-proof body 1 is 41.87mm to 41.93mm, the width of the periphery of the explosion-proof body 1 is 27.87mm to 27.93mm, the thickness of the explosion-proof body 1 is 0.47mm to 0.53mm, the length of the periphery of the first explosion body 2 is 37.87mm to 37.93mm, the width of the periphery of the first explosion body 2 is 23.87mm to 23.93mm, the length of the periphery of the second explosion body 3 is 35.07mm to 35.13mm, and the width of the periphery of the second explosion body 3 is 21.07mm to 21.13 mm. In this embodiment, the length of the outer periphery of the explosion-proof body 1 is 41.90mm, the width of the outer periphery of the explosion-proof body 1 is 27.90mm, the thickness of the explosion-proof body 1 is 0.50mm, the length of the outer periphery of the first explosion body 2 is 37.90mm, the width of the outer periphery of the first explosion body 2 is 23.90mm, the length of the outer periphery of the second explosion body 3 is 35.10mm, and the width of the outer periphery of the second explosion body 3 is 21.10 mm.
As shown in fig. 2 to 3, the cross sections of the first score 5 and the second score 6 are circular arcs, the circular arc diameters of the first score 5 and the second score 6 are 0.37mm to 0.43mm, the thickness from the bottom of the first score 5 to the second burst body 3 is greater than 0.07mm, and the thickness from the bottom of the second score 6 to the third burst body 4 is also greater than 0.07 mm.
Further, the explosion-proof body 1, the first explosion body 2, the second explosion body 3 and the third explosion body 4 are all made of MFX2-O material.
In the description of the present application, it is to be understood that the terms "right", "lower", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an ellipse shape battery rupture disc with U type rupture disc which characterized in that: including explosion-proof body, first blasting body, second blasting body and third blasting body, explosion-proof body is oval ring type, first blasting body is connected in the interior peripheral lower extreme distal side of explosion-proof body, second blasting body is the arc type of undercut right, connects in the interior week at the convex both ends of first blasting body, third blasting body is the U type, including two, two third blasting bodies outwards extend respectively and connect in the interior week of first blasting body straight end and second blasting body relatively, the interior week that second blasting body is close to third blasting body is equipped with first nick, the interior week in the outside of third blasting body is equipped with the second nick.
2. The oval battery rupture disc with a U-shaped rupture disc as set forth in claim 1, wherein: the cross section of the first blasting body is of a straight shape extending towards the right side, and the extending direction of the second blasting body is opposite to that of the first blasting body.
3. The oval battery rupture disc with a U-shaped rupture disc as set forth in claim 1, wherein: the opening end of the U-shaped third blasting body is connected with the inner periphery of the straight end of the first blasting body and extends towards two sides to be connected with the inner periphery of the second blasting body, and the bottom end of the U-shaped third blasting body extends upwards to be connected together.
4. The oval battery rupture disc with a U-shaped rupture disc as set forth in claim 1, wherein: the cross sections of the first nick and the second nick are rectangular, V-shaped, inverted trapezoidal or arc-shaped, and the sizes of the first nick and the second nick are the same.
5. The oval battery rupture disc with a U-shaped rupture disc as claimed in any one of claims 1 to 4, wherein: the first blasting body, the second blasting body and the third blasting body are the same in thickness and smaller than the thickness of the blasting bodies.
6. The oval battery rupture disc with a U-shaped rupture disc as set forth in claim 5, wherein: the height of the third blasting body, which is higher than that of the second blasting body, is the same as the thickness of the blasting body.
7. The oval battery rupture disc with a U-shaped rupture disc as set forth in claim 5, wherein: the length of the periphery of the explosion-proof body is 41.87 mm-41.93 mm, the width of the periphery of the explosion-proof body is 27.87 mm-27.93 mm, the thickness of the explosion-proof body is 0.47 mm-0.53 mm, the length of the periphery of the first explosion body is 37.87 mm-37.93 mm, the width of the periphery of the first explosion body is 23.87 mm-23.93 mm, the length of the periphery of the second explosion body is 35.07 mm-35.13 mm, and the width of the periphery of the second explosion body is 21.07 mm-21.13 mm.
8. The oval battery rupture disc with a U-shaped rupture disc as claimed in claim 7, wherein: the length of explosion-proof body periphery is 41.90mm, the width of explosion-proof body periphery is 27.90mm, the thickness of explosion-proof body is 0.50mm, the length of first blasting body periphery is 37.90mm, the width of first blasting body periphery is 23.90mm, the length of second blasting body periphery is 35.10mm, the width of second blasting body periphery is 21.10 mm.
9. The oval battery rupture disc with a U-shaped rupture disc as set forth in claim 4, wherein: the cross sections of the first nick and the second nick are arc-shaped, the arc diameters of the first nick and the second nick are 0.37-0.43 mm, the thickness from the bottom of the first nick to the second blasting body is larger than 0.07mm, and the thickness from the bottom of the second nick to the third blasting body is also larger than 0.07 mm.
10. The oval battery rupture disc with a U-shaped rupture disc as claimed in claim 9, wherein: the explosion-proof body, the first explosion body, the second explosion body and the third explosion body are all made of MFX2-O materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120753698.XU CN214589031U (en) | 2021-04-14 | 2021-04-14 | Oval battery explosion-proof piece with U type rupture disk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120753698.XU CN214589031U (en) | 2021-04-14 | 2021-04-14 | Oval battery explosion-proof piece with U type rupture disk |
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| Publication Number | Publication Date |
|---|---|
| CN214589031U true CN214589031U (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120753698.XU Active CN214589031U (en) | 2021-04-14 | 2021-04-14 | Oval battery explosion-proof piece with U type rupture disk |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116771964A (en) * | 2023-08-28 | 2023-09-19 | 深圳海辰储能控制技术有限公司 | Explosion-proof valve, end cover assembly, energy storage device and electric equipment |
| WO2023217225A1 (en) * | 2022-05-12 | 2023-11-16 | 比亚迪股份有限公司 | Explosion-proof valve, battery, battery module, battery pack and vehicle |
-
2021
- 2021-04-14 CN CN202120753698.XU patent/CN214589031U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023217225A1 (en) * | 2022-05-12 | 2023-11-16 | 比亚迪股份有限公司 | Explosion-proof valve, battery, battery module, battery pack and vehicle |
| CN116771964A (en) * | 2023-08-28 | 2023-09-19 | 深圳海辰储能控制技术有限公司 | Explosion-proof valve, end cover assembly, energy storage device and electric equipment |
| CN116771964B (en) * | 2023-08-28 | 2024-01-12 | 深圳海辰储能控制技术有限公司 | Explosion-proof valve, end cover assembly, energy storage device and electric equipment |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20220928 Address after: 1st Floor, No. 176, Longhua Industrial Road, Longhua Street, Longhua New District, Shenzhen, Guangdong 518000 Patentee after: Shenzhen Zhuoyuan Precision Hardware Co.,Ltd. Address before: 523000 Room 102, building a, No. 9, Tiansha Road, Tianxin Keyuan City, Tangxia Town, Dongguan City, Guangdong Province Patentee before: Shenzhen Zhuoyuan Precision Hardware Co.,Ltd. Dongguan Branch |