CN107271108B - Explosion-proof valve sealing device for lithium battery box body air tightness test - Google Patents
Explosion-proof valve sealing device for lithium battery box body air tightness test Download PDFInfo
- Publication number
- CN107271108B CN107271108B CN201710618267.0A CN201710618267A CN107271108B CN 107271108 B CN107271108 B CN 107271108B CN 201710618267 A CN201710618267 A CN 201710618267A CN 107271108 B CN107271108 B CN 107271108B
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- Prior art keywords
- plate
- fixedly arranged
- explosion
- proof valve
- sealing
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Links
- 238000007789 sealing Methods 0.000 title claims abstract description 54
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 16
- 238000012360 testing method Methods 0.000 title claims abstract description 16
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 238000003825 pressing Methods 0.000 claims abstract description 22
- 241000274582 Pycnanthus angolensis Species 0.000 claims description 4
- 239000011087 paperboard Substances 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 229910000733 Li alloy Inorganic materials 0.000 description 1
- 239000002390 adhesive tape Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001989 lithium alloy Substances 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Hybrid Cells (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses an explosion-proof valve sealing device for a lithium battery box body air tightness test, which comprises a box body plate, an explosion-proof valve fixedly arranged on the upper part of the box body plate and a sealing device arranged above the explosion-proof valve, wherein the sealing device comprises a supporting seat, a fixed plate fixedly arranged on the upper part of the supporting seat and a pressing plate which is positioned on one side of the fixed plate and moves up and down; the elastic component is convenient to detach, so that the labor intensity of workers is reduced, the operation is quick, and the time and the labor are saved; simple structure, low in manufacturing cost, repeated use for many times, further reduced use cost, and being favorable for popularization and use in a large number.
Description
Technical Field
The invention relates to the technical field of lithium batteries, in particular to an explosion-proof valve sealing device for testing the air tightness of a lithium battery box body.
Background
Lithium batteries are a type of batteries using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a negative electrode material. The lithium battery module is a combination body which is formed by combining lithium batteries in a serial-parallel connection mode, and can directly supply power after a protection circuit board and a shell are added.
In the production process of the lithium battery box body, the air tightness of the lithium battery box body needs to be detected, so that the waterproof and dustproof capabilities of the lithium battery box body are judged, the inside pressure of the box body needs to be inflated and tested during detection, and then the purpose of testing the air tightness of the box body is achieved.
In the prior art, the sealing is generally performed by winding the adhesive tape and the sealant, which is time-consuming and labor-consuming, aggravates the labor intensity of workers, increases the labor cost and improves the testing efficiency underground. Meanwhile, the sealing is performed in the mode, the sealing effect is poor, the sealing cannot bear larger pressure during testing, and the testing effect is seriously affected.
Disclosure of Invention
The invention aims to provide an explosion-proof valve sealing device for testing the air tightness of a lithium battery box body, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a lithium cell box gas tightness test explosion-proof valve sealing device, includes the box board, sets firmly in the explosion-proof valve on box board upper portion and sets up in the sealing device of explosion-proof valve top, sealing device includes the supporting seat, sets firmly in the fixed plate on supporting seat upper portion and is located the clamp plate that fixed plate one side reciprocated, the clamp plate is including setting up in the closing plate above the explosion-proof valve and setting firmly in the movable plate on closing plate upper portion, set firmly on the closing plate and run through the movable device of fixed plate and reciprocating, movable plate upper portion has set firmly closing device.
As a further scheme of the invention: the lower part of the supporting seat is a U-shaped supporting clamping seat, the two sides of the supporting seat are supporting plates fixedly arranged on the supporting clamping seat, and a waist-shaped sliding groove in the vertical direction is formed in the supporting plates.
As a further scheme of the invention: square grooves matched with the explosion-proof valves are formed in the lower portions of the sealing plates, protruding blocks which are arranged in the waist-shaped sliding grooves and move up and down are fixedly arranged on the two sides of the square grooves, and square sealing gaskets are attached to the inner sides of the square grooves.
As a further scheme of the invention: the fixed plate both ends pass through bolt fixed mounting in backup pad upper portion, offer the U type groove that is used for installing the cardboard on the fixed plate and be located U type groove both sides and run through there is mobile device's through-hole.
As a further scheme of the invention: the moving device comprises a bearing arranged in the through hole, a moving rod with one end fixedly arranged on the sealing plate and a baffle fixedly arranged at one end of the moving rod.
As a further scheme of the invention: the compressing device comprises a compressing seat positioned on one side of the movable plate, a compressing plate fixedly arranged on one side of the compressing seat, a rotating shaft arranged on the upper part of the compressing plate, a handle arranged in the middle of the rotating shaft and a pull rod positioned on the outer side of the handle.
As a further scheme of the invention: an elastic part sleeved outside the moving rod is arranged between the baffle and the bearing.
As a further scheme of the invention: the clamping plate is of a U-shaped plate structure with an arc-shaped groove at the lower part.
As a further scheme of the invention: the pull rod is a U-shaped rod with two ends provided with a section of external threads respectively, and the lower part of the pull rod is sleeved in the arc-shaped groove at the lower part of the clamping plate.
As a further scheme of the invention: and one side of the compacting plate is fixedly provided with a side plate which is rotationally connected with one end of the handle.
Compared with the prior art, the invention has the beneficial effects that: the invention has the advantages that the disassembly and assembly are quick and convenient, the quick sealing of the explosion-proof valve is realized through the pressing plate, the pressing device and the moving device which are matched, the sealing effect is good, the pressure bearing capacity and the testing efficiency during the test are improved, and the testing accuracy is ensured; the elastic component is convenient to detach, so that the labor intensity of workers is reduced, the operation is quick, and the time and the labor are saved; simple structure, low in manufacturing cost, repeated use for many times, further reduced use cost, and being favorable for popularization and use in a large number.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a structural view of the sealing device of the present invention.
Fig. 3 is a structural view of a sealing plate according to the present invention.
Fig. 4 is a block diagram of the case plate and explosion-proof valve of the present invention.
Fig. 5 is a structural view of a fixing plate of the present invention.
In the figure: 1-box body plate, 2-explosion-proof valve, 3-supporting seat, 31-supporting clamping seat, 32-supporting plate, 321-waist-shaped chute, 4-fixed plate, 41-U-shaped chute, 42-through hole, 5-pressing plate, 51-sealing plate, 511-square groove, 512-bump, 52-moving plate, 6-clamping plate, 7-moving device, 71-bearing, 72-moving rod, 73-baffle, 74-elastic component, 8-pressing device, 81-pressing seat, 82-pressing plate, 83-rotating shaft, 84-handle, 85-pull rod and 9-side plate.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-5, in the embodiment of the invention, an explosion-proof valve sealing device for testing the air tightness of a lithium battery box body comprises a box body plate 1, an explosion-proof valve 2 fixedly arranged at the upper part of the box body plate 1 and a sealing device arranged above the explosion-proof valve 2, wherein the sealing device comprises a supporting seat 3, a fixed plate 4 fixedly arranged at the upper part of the supporting seat 3 and a pressing plate 5 which is positioned at one side of the fixed plate 4 and moves up and down, a U-shaped supporting clamping seat 31 is arranged at the lower part of the supporting seat 3, supporting plates 32 are fixedly arranged at the two sides of the supporting seat 31, a waist-shaped sliding groove 321 in the vertical direction is formed in the supporting plates 32, two ends of the fixed plate 4 are fixedly arranged at the upper part of the supporting plates 32 through bolts, a U-shaped groove 41 for installing a clamping plate 6 and through holes 42 which are positioned at two sides of the U-shaped groove 41 and penetrate through a moving device 7 are formed in the fixed plate 4, and the clamping plate 6 is of a U-shaped structure with an arc-shaped groove 61 formed at the lower part; the pressure plate 5 comprises a sealing plate 51 arranged above the explosion-proof valve 2 and a moving plate 52 fixedly arranged on the upper part of the sealing plate 51, a moving device 7 penetrating through the fixed plate 4 and capable of moving up and down is fixedly arranged on the sealing plate 51, a square groove 511 matched with the explosion-proof valve 2 is formed in the lower part of the sealing plate 51, protruding blocks 512 which are fixedly arranged on two sides of the square groove 511 and move up and down in the waist-shaped sliding groove 321, square sealing gaskets are stuck on the inner side of the square groove 511, the moving device 7 comprises a bearing 71 arranged in the through hole 42, a moving rod 72 with one end fixedly arranged on the sealing plate 51 and a baffle 73 fixedly arranged at one end of the moving rod 72, an elastic part 74 sleeved on the outer side of the moving rod 72 is arranged between the baffle 73 and the bearing 71, a pressing device 8 is fixedly arranged on the upper part of the moving plate 52, the pressing device 8 comprises a pressing seat 81 positioned on one side of the moving plate 52, a rotating shaft 83 arranged on the upper part of the pressing seat 81, a handle 84 arranged in the middle of the rotating shaft 83 and a pull rod 85 positioned on the outer side of the handle 84, one side of the pressing plate 82 is fixedly provided with a baffle plate 9 which is rotatably connected with one end of the handle 84, two ends of the pull rod 85 are sleeved on two ends of the lower side plate 6, and two ends of the U-shaped side plate 85 are sleeved on the lower side of the U-shaped side plate 6.
The invention has simple structure and convenient operation, when in use, the U-shaped supporting clamping seat 31 is firstly clamped in from one side of the explosion-proof valve 2 fixedly arranged at the upper part of the box body plate 1, the two sides of the explosion-proof valve 2 are symmetrically provided with the protruding parts, when the supporting seat 3 is clamped in, the supporting plates 32 fixedly arranged at the two sides of the supporting seat 3 are respectively positioned at the outer sides of the protruding parts, and the sealing plate 51 is positioned right above the explosion-proof valve 2.
When in sealing, the lower part of the pull rod 85 of the pressing device 8 is clamped in an arc-shaped groove formed in the lower part of the clamping plate 6, the pull rod 85 is a U-shaped rod with two ends provided with a section of external threads, two ends of the pull rod 85 penetrate through two ends of the rotating shaft 83, a fixed ring is screwed on the pull rod 85 positioned above and below the rotating shaft 83, the handle 84 is slowly rotated upwards, one end of the handle 84 is rotationally connected with the side plate 9 fixedly arranged on one side of the pressing plate 82, when the handle 84 is rotated upwards, the pull rod 85 is driven to be acted by upward tension, the side plate 9 fixedly arranged on one side of the pressing plate 82 and the pressing plate 82 are acted by downward pressure, one side of the pressing plate 82 is fixedly arranged on the pressing seat 81 positioned on one side of the moving plate 52, the side plate 9 and the compacting plate 82 drive the movable plate 52 and the sealing plate 51 fixedly arranged at the lower part of the movable plate 52 to move downwards, the protruding blocks 512 arranged at two sides of the sealing plate 51 slide up and down in the waist-shaped sliding grooves 321 formed in the vertical direction of the supporting plate 32, square grooves 511 matched with the explosion-proof valve 2 are formed in the lower part of the sealing plate 51, the width of each square groove 511 is larger than that of the protrusion on the upper part of the explosion-proof valve 2, square sealing gaskets are attached to the inner sides of the square grooves 511, the sealing plate 51 moves downwards along the vertical direction and slowly compacts the explosion-proof valve 2, when the handle 84 rotates 180 degrees, self-locking is formed, the sealing plate 51 is compacted on the upper surface of the explosion-proof valve 2, a sealing space with good sealing performance is formed, and the pressure bearing capacity is improved.
After sealing, the air tightness of the box body can be tested, after the test is finished, the handle 84 is loosened, the elastic part 74 sleeved outside the moving rod 72 between the baffle plate 73 and the bearing 71 is reset, the moving rod 72 moves upwards, the lower part of the moving rod 72 is fixedly connected with the sealing plate 51, the moving rod 72 drives the sealing plate 51 to move upwards, and the sealing device is moved out of one side of the box body plate 1.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (1)
1. The utility model provides a lithium cell box gas tightness test explosion-proof valve sealing device, includes box board (1), sets firmly in explosion-proof valve (2) on box board (1) upper portion and sets up in sealing device of explosion-proof valve (2) top, its characterized in that: the sealing device comprises a supporting seat (3), a fixed plate (4) fixedly arranged on the upper part of the supporting seat (3) and a pressing plate (5) which is positioned on one side of the fixed plate (4) and moves up and down, the pressing plate (5) comprises a sealing plate (51) arranged above the explosion-proof valve (2) and a moving plate (52) fixedly arranged on the upper part of the sealing plate (51), a moving device (7) penetrating through the fixed plate (4) and capable of moving up and down is fixedly arranged on the sealing plate (51), and a compacting device (8) is fixedly arranged on the upper part of the moving plate (52);
the lower part of the supporting seat (3) is provided with a U-shaped supporting clamping seat (31) and supporting plates (32) fixedly arranged on the supporting clamping seat (31) at two sides, and the supporting plates (32) are provided with waist-shaped sliding grooves (321) in the vertical direction;
square grooves (511) matched with the explosion-proof valve (2) are formed in the lower portion of the sealing plate (51), protruding blocks (512) which are arranged in the waist-shaped sliding grooves (321) and move up and down are fixedly arranged on the two sides of the square grooves, and square sealing gaskets are adhered to the inner sides of the square grooves (511);
the two ends of the fixed plate (4) are fixedly arranged on the upper part of the supporting plate (32) through bolts, and the fixed plate (4) is provided with a U-shaped groove (41) for installing the clamping plate (6) and through holes (42) which are positioned on two sides of the U-shaped groove (41) and penetrate through the moving device (7);
the moving device (7) comprises a bearing (71) arranged in the through hole (42), a moving rod (72) with one end fixedly arranged on the sealing plate (51) and a baffle (73) fixedly arranged at one end of the moving rod (72);
the compressing device (8) comprises a compressing seat (81) positioned at one side of the movable plate (52), a compressing plate (82) fixedly arranged at one side of the compressing seat (81), a rotating shaft (83) arranged at the upper part of the compressing plate (82), a handle (84) arranged at the middle part of the rotating shaft (83) and a pull rod (85) positioned at the outer side of the handle (84);
an elastic part (74) sleeved outside the moving rod (72) is arranged between the baffle (73) and the bearing (71);
the clamping plate (6) is of a U-shaped plate structure with an arc-shaped groove at the lower part;
the pull rod (85) is a U-shaped rod with two ends provided with a section of external threads respectively, and the lower part of the pull rod (85) is sleeved in an arc-shaped groove at the lower part of the clamping plate (6);
a side plate (9) which is rotationally connected with one end of a handle (84) is fixedly arranged on one side of the pressing plate (82).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618267.0A CN107271108B (en) | 2017-07-26 | 2017-07-26 | Explosion-proof valve sealing device for lithium battery box body air tightness test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710618267.0A CN107271108B (en) | 2017-07-26 | 2017-07-26 | Explosion-proof valve sealing device for lithium battery box body air tightness test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107271108A CN107271108A (en) | 2017-10-20 |
| CN107271108B true CN107271108B (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710618267.0A Active CN107271108B (en) | 2017-07-26 | 2017-07-26 | Explosion-proof valve sealing device for lithium battery box body air tightness test |
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|---|---|
| CN (1) | CN107271108B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110657921B (en) * | 2019-09-17 | 2021-07-30 | 合肥国轩高科动力能源有限公司 | Explosion-proof valve plugging clamp for air tightness test of lithium battery pack |
| CN113624424A (en) * | 2021-06-24 | 2021-11-09 | 合肥国轩高科动力能源有限公司 | Explosion-proof valve sealing device for air tightness test of lithium battery box body |
| CN113804364B (en) * | 2021-09-10 | 2023-08-15 | 浙江工业大学之江学院 | Battery air tightness detection device and use method |
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| JPH11167909A (en) * | 1997-12-03 | 1999-06-22 | Matsushita Electric Ind Co Ltd | Explosion-proof valve device for nonaqueous electrolyte battery |
| CN102305693A (en) * | 2011-09-16 | 2012-01-04 | 奇瑞汽车股份有限公司 | Device and method for detecting leak of upper cover of power battery |
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| CN203011635U (en) * | 2012-12-14 | 2013-06-19 | 力神迈尔斯动力电池系统有限公司 | Lithium-ion power battery leakage-detecting and compacting mechanism |
| CN103528764A (en) * | 2013-10-17 | 2014-01-22 | 奇瑞汽车股份有限公司 | System for measuring leakage of anti-explosion valve and pole of lithium ion battery |
| CN204373854U (en) * | 2015-02-04 | 2015-06-03 | 象山星旗电器科技有限公司 | Leakage hold down gag tested by a kind of battery |
| CN204514559U (en) * | 2015-04-02 | 2015-07-29 | 贺尔碧格阀业（常州）有限公司 | A kind of explosion-proof valve checkout equipment |
| CN204613036U (en) * | 2015-05-11 | 2015-09-02 | 合肥国轩高科动力能源股份公司 | One is used for rectangular cell aluminum hull and cover plate weld strength suppresses proving installation |
| KR20150131463A (en) * | 2014-05-14 | 2015-11-25 | 재단법인 포항산업과학연구원 | Cable leak-tightness testing machine |
| CN205809216U (en) * | 2016-05-18 | 2016-12-14 | 合肥国轩高科动力能源有限公司 | Lithium ion battery short circuit testing arrangement anchor clamps |
| CN206990158U (en) * | 2017-07-26 | 2018-02-09 | 合肥国轩高科动力能源有限公司 | Explosion-proof valve sealing device for air tightness test of lithium battery box body |
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2017
- 2017-07-26 CN CN201710618267.0A patent/CN107271108B/en active Active
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| US4432227A (en) * | 1980-05-02 | 1984-02-21 | Dunn Emmett L | Valve testing apparatus |
| JPH11167909A (en) * | 1997-12-03 | 1999-06-22 | Matsushita Electric Ind Co Ltd | Explosion-proof valve device for nonaqueous electrolyte battery |
| CN102305693A (en) * | 2011-09-16 | 2012-01-04 | 奇瑞汽车股份有限公司 | Device and method for detecting leak of upper cover of power battery |
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| CN204613036U (en) * | 2015-05-11 | 2015-09-02 | 合肥国轩高科动力能源股份公司 | One is used for rectangular cell aluminum hull and cover plate weld strength suppresses proving installation |
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| CN206990158U (en) * | 2017-07-26 | 2018-02-09 | 合肥国轩高科动力能源有限公司 | Explosion-proof valve sealing device for air tightness test of lithium battery box body |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107271108A (en) | 2017-10-20 |
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