CN113314799B - Lithium battery - Google Patents
Lithium battery Download PDFInfo
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- CN113314799B CN113314799B CN202110628704.3A CN202110628704A CN113314799B CN 113314799 B CN113314799 B CN 113314799B CN 202110628704 A CN202110628704 A CN 202110628704A CN 113314799 B CN113314799 B CN 113314799B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/383—Flame arresting or ignition-preventing means
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/375—Vent means sensitive to or responsive to temperature
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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 invention discloses a lithium battery, and belongs to the technical field of lithium batteries. A lithium battery, comprising: a lithium battery, further comprising: explosion-proof mechanism, spheroid mechanism, the spheroid mechanism is installed on explosion-proof mechanism, explosion-proof mechanism installs on the lithium cell, this lithium cell is producing unusual gas, when leading to battery internal pressure too big, make both sides U template shift up the extrusion second spring, U template landing leg extrusion second fly leaf inclined plane, make second fly leaf extrusion first spring, make the arc get into the arc hole, the U template continues to shift up, make the fifth fly leaf receive fourth spring to first square downthehole removal, make lithium cell inner chamber and first through hole, the second through hole, the third through hole, the through-hole, the venthole link up, the event link up with the external world, unusual gas is let out, lithium cell failure has been avoided, the explosion even.
Description
Technical Field
The invention belongs to the technical field of lithium batteries, and particularly relates to a lithium battery.
Background
The lithium ion battery cell is the electricity storage part of lithium cell, and it is when using, can be because of factors such as charger trouble and excessively rechargeable and produce unusual gas along with the inside chemical reaction of battery, lead to battery internal pressure too big to battery explosion accident takes place, its present stage lithium cell either lacks protection device, or when the explosion-proof diaphragm of protection device was broken through by the inside high-pressure gas of battery, the inside atmospheric pressure that can obtain of battery released, but just need carry out the change of explosion-proof diaphragm, it is very troublesome and with higher costs.
Disclosure of Invention
The invention aims to solve the problems that in the prior art, a lithium battery is lack of a protection device, or when an explosion-proof membrane of the protection device is broken by high-pressure gas in the battery, the pressure in the battery can be released, but the explosion-proof membrane needs to be replaced, so that the lithium battery is very troublesome and high in cost.
In order to achieve the purpose, the invention adopts the following technical scheme:
a lithium battery, comprising: a lithium battery, further comprising: the ball mechanism is arranged on the explosion-proof mechanism, and the explosion-proof mechanism is arranged on the lithium battery;
the explosion-proof mechanism comprises an air outlet hole and a mounting block, wherein the mounting block is mounted on the lithium battery, first square holes are respectively formed in two sides of the bottom end of the mounting block, first movable grooves are respectively formed in two sides of the adjacent side of the first square holes, second square holes are respectively formed in two sides of the top end of the first square holes, second movable grooves are respectively formed in two sides of the adjacent second square holes, fourth square holes are respectively formed in two adjacent ends of the second movable grooves, a third square hole connected with the first movable grooves on the two sides is formed in the bottom end of the mounting block between the two first square holes, a round hole is formed in the top end of the third square hole, arc-shaped grooves connected with the fourth square holes are formed in two ends of the round hole, the air outlet hole is coaxially formed in the top end of the round hole, a cylinder body is coaxially provided with a through hole matched with the air outlet hole, an arc-shaped hole matched with the arc-shaped groove is formed in the opposite side of the cylinder body, a first movable plate is arranged in the fourth square hole, a second movable plate matched with the second movable plate is arranged at one end close to the first movable groove, the bottom end of the second movable plate is an inclined plane, two sides of one end of the second movable plate close to the first movable plate are provided with first springs, a first spring suspension end is connected with the mounting plate, one end of the first movable plate close to the arc-shaped groove is provided with an arc-shaped plate matched with the arc-shaped groove, an inverted U-shaped plate is arranged in the first square hole, two support legs of the U-shaped plate are matched with the second square hole, one support leg of the U-shaped plate is not connected with the inclined plane of the second movable plate in a contact manner, a second spring connected with the mounting plate is arranged in an inner cavity of the U-shaped plate, a third movable plate is arranged in the third square hole in a matching manner, two sides of one end of the third movable plate are both provided with movable rods, a third spring is arranged at the suspension end of the movable rods, a fourth movable plate matched with the third movable plate is sleeved on the movable rods of the third spring, clamping plates are arranged at the inner cavities of the third square hole and the bottom ends of the fourth movable plates, a fifth movable plate is arranged in the first movable groove, one end of the fifth movable plate close to the U-shaped plate is an inclined plane, and a plurality of fourth springs connected with the mounting plate are arranged on the fifth movable plate.
Preferably, the sphere mechanism comprises a sphere and a third through hole, the sphere is movably mounted at the top ends of the third movable plate and the fourth movable plate, the sphere is provided with a first through hole matched with the through hole, one end of the sphere is provided with a right hemisphere, the right hemisphere is close to one end of the sphere and is vertically provided with two sixth movable plates penetrating through the sphere, the suspension end of the sixth movable plate is provided with a fifth spring, the sixth movable plate is provided with a second through hole, one end of the sphere is provided with a left hemisphere, one end of the left hemisphere is close to one end of the sphere and is provided with a seventh movable plate matched with the sixth movable plates on two sides, the suspension end of the seventh movable plate is provided with a sixth spring connected with the right hemisphere, and the third through hole is arranged on the seventh movable plate.
Preferably, when the sphere is in contact with the left hemisphere and the sphere is in contact with the right hemisphere, the first through hole, the second through hole and the third through hole are axially overlapped and are communicated with the through hole and the air outlet hole.
Compared with the prior art, the invention provides a lithium battery, which has the following beneficial effects:
1. when the lithium battery generates abnormal gas and causes the internal pressure of the battery to be overlarge, the U-shaped plates on two sides move upwards to extrude the second spring, the supporting leg of the U-shaped plate extrudes the inclined surface of the second movable plate, the second movable plate extrudes the first spring to enable the arc-shaped plate to enter the arc-shaped hole, the U-shaped plate continuously moves upwards to enable the fifth movable plate to move towards the first direction hole by the fourth spring, the joint of the first movable groove and the third direction hole is vacant, the third movable plate and the fourth movable plate move upwards under the air pressure to enable the sphere mechanism to move upwards to enable the arc-shaped plates on two sides to extrude the left hemisphere and the right hemisphere, the seventh movable plate of the sixth movable plate extrudes the fifth spring and the sixth spring to move oppositely, the first through hole, the second through hole and the third through hole are axially overlapped when the sphere mechanism completely enters the arc-shaped plates on two sides and are communicated with the through hole and the air outlet hole, and the third movable plate, The fourth movable plate moves to the height of the first movable groove, the third movable plate and the fourth movable plate move towards two sides under the elastic force of the third spring, and part of the third movable plate and the fourth movable plate enter the first movable groove, and at the moment, the middle of the third movable plate and the fourth movable plate is opened, so that the inner cavity of the lithium battery is communicated with the first through hole, the second through hole, the third through hole, the through hole and the air outlet hole, the lithium battery is communicated with the outside, abnormal gas is discharged, and the lithium battery is prevented from being in fault or even exploding.
2. According to the invention, after abnormal gas in the lithium battery is discharged, the bottom end of the U-shaped plate is supported without air pressure and is subjected to the elastic force of the second spring, the U-shaped plate moves downwards to reset, the inclined surface of the fifth movable plate is extruded, the fourth spring is reset, the third movable plate and the fourth movable plate are extruded, the third spring is reset, at the moment, the third movable plate and the fourth movable plate are sealed and supported without pressure, the U-shaped plate moves downwards to reset, the second movable plate is not contacted, the second movable plate is reset by the elastic force of the first spring, the arc-shaped plates on two sides of the sphere clamping mechanism are reset, the sphere mechanism moves downwards by gravity, the third movable plate and the fourth movable plate are reset until the third movable plate and the fourth movable plate are supported by the lower clamping plate, and at the moment, the lithium battery explosion-proof protection device is reset and recycled.
Drawings
FIG. 1 is a schematic diagram of the general structure of the present invention;
FIG. 2 is a sectional view of the structural explosion-proof mechanism and the sphere mechanism of the present invention;
FIG. 3 is a sectional view of the explosion-proof mechanism of the present invention;
FIG. 4 is a sectional view of the explosion-proof mechanism of the present invention;
FIG. 5 is a sectional view of the explosion-proof mechanism of the present invention;
FIG. 6 is a schematic structural view of an explosion-proof mechanism of the present invention;
FIG. 7 is a schematic structural view of an explosion-proof mechanism of the present invention;
FIG. 8 is a schematic structural view of an explosion-proof mechanism of the present invention;
FIG. 9 is a schematic structural view of an explosion-proof mechanism of the present invention;
FIG. 10 is a schematic diagram of the ball mechanism of the present invention;
FIG. 11 is a schematic structural diagram of a ball mechanism of the present invention;
fig. 12 is a sectional view of the ball mechanism of the present invention.
The reference numbers in the figures illustrate:
10. a lithium battery; 20. an explosion-proof mechanism; 210. an air outlet; 220. a cylinder; 221. a through hole; 222. an arc-shaped hole; 230. a first movable plate; 231. a first spring; 232. an arc-shaped plate; 233. an arc-shaped plate; 240. a U-shaped plate; 241. a second spring; 250. a third movable plate; 251. a third spring; 252. a fourth movable plate; 253. a movable rod; 254. clamping a plate; 260. a fifth movable plate; 261. a fourth spring; 270. mounting a plate; 280. a third square hole; 281. a circular hole; 290. a second square hole; 291. a second movable slot; 292. a fourth square hole; 293. a first square hole; 294. a first movable slot; 30. a sphere mechanism; 310. a sphere; 320. a first through hole; 330. a right hemisphere; 340. a sixth movable plate; 341. a second through hole; 350. a fifth spring; 360. a left hemisphere; 370. a seventh movable plate; 371. a third through hole; 380. and a sixth spring.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "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 invention and simplifying the description, and do not indicate or imply that the mechanism or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
As shown in fig. 1 to 12, a lithium battery includes: the lithium battery 10 further includes: the lithium battery explosion-proof structure comprises an explosion-proof mechanism 20 and a sphere mechanism 30, wherein the sphere mechanism 30 is installed on the explosion-proof mechanism 20, and the explosion-proof mechanism 20 is installed on the lithium battery 10.
The explosion-proof mechanism 20 comprises an air outlet 210 and an installation block 270, the installation block 270 is installed on the lithium battery 10, two sides of the bottom end of the installation block 270 are respectively provided with a first square hole 293, two adjacent sides of the first square holes 293 are respectively provided with a first movable groove 294, two sides of the top end of the first square hole 293 are respectively provided with a second square hole 290, two adjacent second square holes 290 are respectively provided with a second movable groove 291, two adjacent ends of the second movable grooves 291 are respectively provided with a fourth square hole 292, a third square hole 280 connected with the first movable grooves 294 at two sides is arranged between the two first square holes 293 at the bottom end of the installation block 270, the top end of the third square hole 280 is provided with a round hole 281, two ends of the round hole 281 are respectively provided with an arc-shaped groove 282 connected with the fourth square hole 292, the air outlet 210 is coaxially arranged at the top end of the round hole 281, the top end of the round hole 281 is coaxially provided with a cylinder 220, the cylinder 220 is provided with a through hole 221 matched with the air outlet 210, the arc-shaped hole 222 matched with the arc-shaped groove 282 at the opposite side of the cylinder 220, a first movable plate 230 is arranged in the fourth square hole 292, a second movable plate 233 which is matched with the second movable groove 291 is arranged at one end of the first movable plate 230, which is close to the second movable groove 291, the bottom end of the second movable plate 233 is an inclined surface, first springs 231 are arranged at two sides of one end of the second movable plate 233, which is close to the first movable plate 230, the suspension end of the first spring 231 is connected with the mounting plate 270, an arc-shaped plate 232 which is matched with the arc-shaped groove 282 is arranged at one end of the first movable plate 230, an inverted U-shaped plate 240 is arranged in the first square hole 293, two legs of the U-shaped plate 240 are matched with the second square hole 290, one leg of the U-shaped plate 240 is not connected with the inclined surface of the second movable plate 233 in a contact manner, a second spring 241 connected with the mounting plate 270 is arranged in an inner cavity of the U-shaped plate 240, a third movable plate 250 is arranged in a matching manner in the third square hole 280, two sides of one end of the third movable plate 250 are both provided with movable rods 253, and the suspension end of the movable rods 253 is provided with a third spring 251, a fourth movable plate 252 matched with the third movable plate 250 is sleeved outside the movable rod 253 of the third spring 251, clamping plates 254 are respectively arranged at the bottom ends of the third movable plate 250 and the fourth movable plate 252 in the cavity of the third hole 280, a fifth movable plate 260 is arranged in the first movable groove 294, one end of the fifth movable plate 260 close to the U-shaped plate 240 is an inclined surface, and a plurality of fourth springs 261 connected with the mounting plate 270 are arranged on the fifth movable plate 260.
The sphere mechanism 30 includes a sphere 310 and a third through hole 371, the sphere 310 is movably mounted on the top ends of the third movable plate 250 and the fourth movable plate 252, the sphere 310 is provided with a first through hole 320 matching with the through hole 221, one end of the sphere 310 is provided with a right hemisphere 330, one end of the right hemisphere 330 adjacent to the sphere 330 is vertically provided with two sixth movable plates 340 penetrating through the sphere 310, a suspension end of the sixth movable plates 340 is provided with a fifth spring 350, the sixth movable plates 340 is provided with a second through hole 341, one end of the sphere 310 is provided with a left hemisphere 360, one end of the left hemisphere 360 adjacent to the sphere is provided with a seventh movable plate 370 matching with the sixth movable plates 340 on two sides, the suspension end of the seventh movable plate 370 is provided with a sixth spring 380 connected with the right hemisphere, and the third through hole 371 is opened on the seventh movable plate 370.
When the ball 310 contacts the left hemisphere 360 and the ball 310 contacts the right hemisphere 330, the first through hole 320, the second through hole 341, and the third through hole 371 axially overlap and are communicated with the through hole 221 and the air outlet 210.
When the lithium battery generates abnormal gas and causes the internal pressure of the battery to be overlarge, the two side U-shaped plates 240 move upwards to press the second springs 241, the inclined planes of the second movable plates 233 are pressed by the legs of the U-shaped plates 240, the first springs 231 are pressed by the second movable plates 233, the arc-shaped plates 232 enter the arc-shaped holes 222, the U-shaped plates 240 move upwards continuously, the fifth movable plates 260 are moved towards the first square holes 293 by the fourth springs 261, the joints of the first movable grooves 294 and the third square holes 280 are vacant, at this time, the third movable plates 250 and the fourth movable plates 252 move upwards by the air pressure, the ball mechanism 30 moves upwards, the two side arc-shaped plates 232 press the left half balls 360 and the right half balls 330, the seventh movable plates 370 of the sixth movable plates 340 press the fifth springs 350 and the sixth springs 380 to move towards each other, when the ball mechanism 30 completely enters between the two side arc-shaped plates 232, the first through holes 320, the second through holes 341 and the third through holes 371 are axially overlapped, the third movable plate 250 and the fourth movable plate 252 move to the height of the first movable groove 294 when the third movable plate 250 and the fourth movable plate 252 move to both sides by the elasticity of the third spring 251, and part of the third movable plate 250 and the fourth movable plate 252 enter the first movable groove 294, and at this time, the middle of the third movable plate 250 and the fourth movable plate 252 is opened, so that the inner cavity of the lithium battery is communicated with the first through hole 320, the second through hole 341, the third through hole 371, the through hole 221 and the air outlet 210, and therefore the lithium battery is communicated with the outside, and abnormal gas is released, thereby avoiding the failure or even explosion of the lithium battery.
When abnormal gas in the lithium battery is discharged, the bottom end of the U-shaped plate 240 is supported without air pressure and is pressed by the second spring 241, the U-shaped plate 240 moves downwards to reset, the inclined surface of the fifth movable plate 260 is pressed, the fourth spring 261 is reset, the third movable plate 250 and the fourth movable plate 252 are pressed, the third spring 251 is reset, the third movable plate 250 and the fourth movable plate 252 are sealed at the moment, the lower part of the third movable plate 250 and the fourth movable plate 252 has no pressure support, the second movable plate 233 is reset by the elastic force of the first spring 231, the arc-shaped plates 232 at two sides of the sphere clamping mechanism 30 are reset, the sphere mechanism 30 moves downwards due to the downward movement and resetting of the U-shaped plate 240, the third movable plate 250 and the fourth movable plate 252 move downwards to reset until the third movable plate 250 and the fourth movable plate 252 are supported by the lower clamping plates 254, and the explosion-proof protection device is reset at the moment and recycled.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (1)
1. A lithium battery, comprising: lithium battery (10), characterized in that it further comprises: the lithium battery comprises an explosion-proof mechanism (20) and a ball mechanism (30), wherein the ball mechanism (30) is arranged on the explosion-proof mechanism (20), and the explosion-proof mechanism (20) is arranged on the lithium battery (10); the explosion-proof mechanism (20) comprises air outlet holes (210) and a mounting plate (270), wherein the mounting plate (270) is mounted on the lithium battery (10), first square holes (293) are respectively formed in two sides of the bottom end of the mounting plate (270), first movable grooves (294) are respectively formed in the adjacent sides of the two first square holes (293), second square holes (290) are respectively formed in two sides of the top end of each first square hole (293), second movable grooves (291) are respectively formed in the adjacent sides of the two second movable grooves (291), fourth square holes (292) are respectively formed in the adjacent sides of the two second movable grooves (291), third square holes (280) connected with the first movable grooves (294) on two sides are formed in the bottom end of the mounting plate (270) between the two first square holes (293), a round hole (281) is formed in the top end of each third square hole (280), arc-shaped grooves (282) connected with the fourth square holes (292) are formed in two ends of the round hole (281), the air outlet holes (210) are coaxially formed in the top end of the round hole (281), a cylinder (220) is coaxially arranged at the top end of the round hole (281), a through hole (221) matched with the air outlet hole (210) is formed in the cylinder (220), an arc hole (222) matched with the arc groove (282) is formed in the opposite side of the cylinder (220), a first movable plate (230) is arranged in a fourth square hole (292), a second movable plate (233) matched with the second movable groove (291) is arranged at one end, close to the second movable groove (291), of the first movable plate (230), the bottom end of the second movable plate (233) is an inclined plane, first springs (231) are arranged on two sides of one end, close to the first movable plate (230), of the second movable plate (233), the suspension end of each first spring (231) is connected with the mounting plate (270), an arc plate (232) matched with the arc groove (282) is arranged at one end, close to the arc groove (282), an inverted U-shaped plate (240) is arranged in the first square hole (293), and two support legs of the U-shaped plate (240) are matched with the second square hole (290), one supporting leg of the U-shaped plate (240) is in inclined contact with and is not connected with the second movable plate (233), a second spring (241) connected with the mounting plate (270) is arranged in the inner cavity of the U-shaped plate (240), a third movable plate (250) is arranged in the third square hole (280) in a matching manner, movable rods (253) are arranged on two sides of one end of the third movable plate (250), a third spring (251) is arranged at the suspension end of each movable rod (253), a fourth movable plate (252) matched with the third movable plate (250) is sleeved outside the movable rods (253) of the third spring (251), the inner cavity of the third square hole (280) is arranged in the third movable plate (250), the bottom ends of the fourth movable plates (252) are respectively provided with a clamping plate (254), a fifth movable plate (260) is arranged in the first movable groove (294), one end, close to the U-shaped plate (240), of the fifth movable plate (260) is an inclined surface, and a plurality of fourth springs (261) connected with the mounting plate (270) are arranged on the fifth movable plate (260);
the sphere mechanism (30) comprises a sphere (310) and a third through hole (371), the sphere (310) is movably mounted at the top ends of a third movable plate (250) and a fourth movable plate (252), the sphere (310) is provided with a first through hole (320) matched with the through hole (221), one end of the sphere (310) is provided with a right hemisphere (330), one end of the right hemisphere (330) close to the sphere (330) is vertically provided with two sixth movable plates (340) penetrating through the sphere (310), the suspension end of the sixth movable plate (340) is provided with a fifth spring (350), the sixth movable plate (340) is provided with a second through hole (341), one end of the sphere (310) is provided with a left hemisphere (360), one end of the left hemisphere (360) close to the sphere is provided with a seventh movable plate (370) matched with the sixth movable plates (340) on two sides, the suspension end of the seventh movable plate (370) is provided with a sixth spring (380) connected with the right hemisphere, the third through hole (371) is formed in the seventh movable plate (370);
when the sphere (310) contacts with the left hemisphere (360) and the sphere (310) contacts with the right hemisphere (330), the first through hole (320), the second through hole (341) and the third through hole (371) are axially overlapped and are communicated with the through hole (221) and the air outlet hole (210).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110628704.3A CN113314799B (en) | 2021-06-07 | 2021-06-07 | Lithium battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110628704.3A CN113314799B (en) | 2021-06-07 | 2021-06-07 | Lithium battery |
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| Publication Number | Publication Date |
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| CN113314799A CN113314799A (en) | 2021-08-27 |
| CN113314799B true CN113314799B (en) | 2022-09-27 |
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| CN202110628704.3A Active CN113314799B (en) | 2021-06-07 | 2021-06-07 | Lithium battery |
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2021
- 2021-06-07 CN CN202110628704.3A patent/CN113314799B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2078911A (en) * | 1980-07-02 | 1982-01-13 | Magyar Aluminium | Pressure limiting valve, particularly for hydraulic mine props |
| CN1050082A (en) * | 1989-08-24 | 1991-03-20 | 基斯通国际集团公司 | The decompression and the modulating valve that have improved |
| CN101587965A (en) * | 2009-04-24 | 2009-11-25 | 湖南神舟科技股份有限公司 | Internally-connected square plastic accumulator |
| CN103672086A (en) * | 2013-12-27 | 2014-03-26 | 忻州市飞鸣节水设备有限公司 | Valve special for pressure-bearing water storing device |
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Effective date of registration: 20220908 Address after: No.86 Liangchang Road, Jintan District, Changzhou City, Jiangsu Province Applicant after: Jiangsu Tianhui Lithium Battery Co.,Ltd. Address before: 557200 No. 52, Guihong village, Leli Town, Rongjiang County, Qiandongnan Miao and Dong Autonomous Prefecture, Guizhou Province Applicant before: Wu Bimao |
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