CN106252579B - Make voluntarily to add electrolyte more easily method - Google Patents

Make voluntarily to add electrolyte more easily method Download PDF

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Publication number
CN106252579B
CN106252579B CN201610729479.1A CN201610729479A CN106252579B CN 106252579 B CN106252579 B CN 106252579B CN 201610729479 A CN201610729479 A CN 201610729479A CN 106252579 B CN106252579 B CN 106252579B
Authority
CN
China
Prior art keywords
connector
electrolyte
face
interconnecting piece
screw thread
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201610729479.1A
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Chinese (zh)
Other versions
CN106252579A (en
Inventor
张燕
王军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Zhirong Zhichuang Intellectual Property Operation Co ltd
Original Assignee
Sichuan United Electronic Technology Co Ltd
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Publication date
Application filed by Sichuan United Electronic Technology Co Ltd filed Critical Sichuan United Electronic Technology Co Ltd
Priority to CN201610729479.1A priority Critical patent/CN106252579B/en
Publication of CN106252579A publication Critical patent/CN106252579A/en
Application granted granted Critical
Publication of CN106252579B publication Critical patent/CN106252579B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/60Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/60Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • H01M50/668Means for preventing spilling of liquid or electrolyte, e.g. when the battery is tilted or turned over
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Filling, Topping-Up Batteries (AREA)
  • Closures For Containers (AREA)

Abstract

The invention discloses make voluntarily to add electrolyte more easily method, comprising the following steps: A, connect interconnecting piece with outer connector, electrolyte is avoided to flow out;B, bottleneck is connect with interconnecting piece, delivery line is put into far from that end face of filler tube the liquid injection port of battery;C, outer connector is unscrewed, then flows into outer connector, funnel, liquid injection port from interconnecting piece, into the inner cavity of battery, complete the electrolyte injection of battery;D, after the completion of electrolyte injection, interconnecting piece is connect with outer connector, electrolyte is avoided to flow out;E, delivery line is exited into liquid injection port, and protective case set is caught delivery line, when electrolyte being needed to flow out, unscrew interconnecting piece and outer connector.The present invention can be good at preventing electrolyte from leaking out when not needing electrolyte outflow;And when electrolyte being needed to flow out, it is only necessary to which the threaded connection for unscrewing the inner surface of the Outer Tube of interconnecting piece outer surface and outer connector can.

Description

Make voluntarily to add electrolyte more easily method
Technical field
The present invention relates to electrolyte fields, and in particular to makes voluntarily to add electrolyte more easily method.
Background technique
Electrolyte is the medium that chemical cell, electrolytic capacitor etc. use, and has certain corrosivity.Had not using electrolyte Few benefit, the contact area for first consisting in liquid and medium is larger, helpful to capacitance is promoted in this way;Followed by using electrolysis The electrolytic capacitor of liquid manufacture, highest is resistant to 260 degree of high temperature, while resistance to pressure is also stronger.In addition, doing cathode using electrolyte Electrolytic capacitor, after medium is breakdown, as long as breakdown current not continue, then capacitor being capable of self-healing.Electrolyte is by dedicated sulphur Acid and distilled water are formulated by a certain percentage, and density is usually 1.24-1.30 grams per cubic centimeter.Some lead-acid accumulators Electrolyte needs voluntarily to fill, such as motorcycle lead-acid storage batteries, and electrolyte has certain corrosivity, so when filling electrolyte Significant care is wanted, it must not pleasing to the eye, entrance.When voluntarily filling electrolyte at present, the lid of the bottle of electrolyte will be loaded with It unscrews, then directly picks up bottle, bottle is started against storage battery liquid filling opening and pours into electrolyte.The side of this filling electrolyte Formula is easy to cause electrolyte to pour down or forth in filling process, and after the completion of filling, has electrolyte from electrolyte collecting bottle Bottleneck drippage, and electrolyte either still carrys out people article and says, is stained with electrolyte and is all absolutely unsafe.
Summary of the invention
Electrolyte drippage is had when the technical problem to be solved by the present invention is to voluntarily fill electrolyte.Therefore this hair Bright being designed to provide makes voluntarily to add electrolyte more easily method, solves when voluntarily filling electrolyte, electrolyte inclines The problem of spilling, dripping.
The present invention is achieved through the following technical solutions:
Make voluntarily to add electrolyte more easily method, comprising the following steps:
A, being threadedly engaged interconnecting piece and outer company by the inner surface of the screw thread and Outer Tube of interconnecting piece outer surface Fitting connection, and screw, so that the hemispheric projection piece of diversion division is withstood the hemispherical groove of lower connector small end face, makes lower company Adapter tube forms a closed end at the small end face of its own, and electrolyte is avoided to flow out;
B, bottleneck is connect with interconnecting piece with being threadedly engaged for interconnecting piece inner surface by the screw thread of bottleneck outer surface Get up, electrolyte collecting bottle is picked up, and delivery line is put into far from that end face of filler tube the liquid injection port of battery;
C, being threadedly engaged outer company by the inner surface of the Outer Tube of the screw thread and outer connector of interconnecting piece outer surface Fitting unscrews, and keeps outer connector mobile toward liquid injection port relative to interconnecting piece, so that the hemispheric projection piece of diversion division be made to leave The hemispherical groove of lower connector small end face, convenient for the electrolyte in electrolyte collecting bottle from bottleneck inflow interconnecting piece, then from The hemispherical groove of interconnecting piece flows into outer connector, then flows into funnel from the water conservancy diversion through-hole of outer connector, then from funnel The delivery line of part flows into the liquid injection port of battery, hence into the inner cavity of battery, completes the electrolyte injection of battery;
D, after the completion of electrolyte injection, pass through the inner surface of the Outer Tube of the screw thread and outer connector of interconnecting piece outer surface Be threadedly engaged and connect interconnecting piece with outer connector, and screw, the hemispheric projection piece of diversion division made to withstand lower connection The hemispherical groove of pipe small end face makes lower connector form a closed end again at the small end face of its own, avoids being electrolysed Liquid stream goes out;
E, delivery line is exited into liquid injection port, and protective case set is caught delivery line, then unclamp the screw thread of bottleneck outer surface With the screw thread of interconnecting piece inner surface, when electrolyte being needed to flow out, the screw thread and outer connector of interconnecting piece outer surface are unscrewed The threaded connection of the inner surface of Outer Tube;
In above-mentioned steps, comprising: interconnecting piece, outer connector, funnel and protective case;
Wherein:
The interconnecting piece includes lower connector and upper connector, and lower connector is taper, is provided with one on small end face The center of circle of a hemispherical groove, the small end face of the centre of sphere and lower connector of the hemispherical groove is overlapped, and the upper connector is Cylinder, and its surfaces externally and internally is provided with screw thread, an end face of upper connector and the large end face of lower connector connect, lower company The axis of adapter tube and the axis of upper connector are overlapped;
The outer connector includes sequentially connected Outer Tube and diversion division, and the inner surface of the Outer Tube is provided with spiral shell Line;Diversion division is cylinder, is provided with the water conservancy diversion through-hole through diversion division, the axis of diversion division and the axis weight of Outer Tube It closes, a hemispheric projection piece, the centre of sphere and water conservancy diversion of projection piece is provided on end face of the diversion division close to Outer Tube The center of circle of the end face in portion is overlapped, and the diameter length of the projection piece is consistent with the diameter length of hemispherical groove;
The interconnecting piece and outer connector are matched by the screw thread of the screw thread and Outer Tube inner surface of upper connector outer surface Close connection;
The funnel includes filler tube and delivery line, and the filler tube is taper, large end face with it is separate on diversion division The end face of Outer Tube connects, and the axis of filler tube is overlapped with the axis of Outer Tube, and the delivery line is cylinder, one end It is connect with the small end face of filler tube, and the axis of delivery line is overlapped with the axis of filler tube;
The protective case is cylinder, an inner cavity is arranged inside, inner cavity is connected to be formed with an end face of protective case One opening, another end face of protective case are closed end;
Filler tube enters the inner cavity of protective case by the opening of protective case;
There are two the water conservancy diversion through-holes;
The cylindrical bottleneck an of evagination is provided on the electrolyte collecting bottle, the outer surface of the bottleneck is provided with Upper connector is mounted on bottleneck by screw thread by the screw-internal thread fit of the screw thread and upper connector.
Compared with prior art, the present invention having the following advantages and benefits:
1, the present invention makes voluntarily to add electrolyte more easily method, and the entire process for adding electrolyte passes through interior connection The threaded connection of the inner surface of the Outer Tube of the screw thread and outer connector of part outer surface and screw and diversion division it is hemispheric Projection piece holds out against the hemispherical groove of lower connector small end face, and entire be mounted in is made not need to can be good at preventing when electrolyte outflow Only electrolyte leaks out;And when electrolyte being needed to flow out, it is only necessary to unscrew the Outer Tube of interconnecting piece outer surface and outer connector The threaded connection of inner surface can;
2, the present invention makes voluntarily to add electrolyte more easily method, and after completing electrolyte filling, delivery line is put into guarantor Sheath, the design of protective case avoid electrolyte remaining in delivery line and drip everywhere.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention;
Fig. 2 is interconnecting piece structural schematic diagram;
Fig. 3 is the enlarged diagram in interconnecting piece hemispherical groove portion;
Fig. 4 is outer connector structural schematic diagram;
Fig. 5 is outer connector top view;
Fig. 6 is funnel structural schematic diagram;
Fig. 7 is protective cover structure diagram;
Fig. 8 is electrolyte collecting bottle schematic diagram.
Label and corresponding parts title in attached drawing:
1- interconnecting piece, 2- outer connector, 3- funnel, 4- lower connector, 5- upper connector, 6- hemispherical groove, 7- Diversion division, 8- water conservancy diversion through-hole, 9- projection piece, 10- filler tube, 11- delivery line, 12- protective case, the inner cavity 13-, 14- electrolyte are contained Bottling, 15- bottleneck, 16- Outer Tube.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made For limitation of the invention.
Embodiment
As Figure 1-Figure 8, the present invention makes voluntarily to add electrolyte more easily method, comprising the following steps:
A, by the inner surface of the screw thread and Outer Tube 16 of 1 outer surface of interconnecting piece be threadedly engaged by interconnecting piece 1 with Outer connector 2 connects, and screws, and the hemispherical for making the hemispheric projection piece 9 of diversion division 7 withstand 4 small end face of lower connector is recessed Slot 6 makes lower connector 4 form a closed end at the small end face of its own, electrolyte is avoided to flow out;
B, pass through the screw thread of 15 outer surface of bottleneck and being threadedly engaged bottleneck 15 and interconnecting piece for 1 inner surface of interconnecting piece 1 connects, and electrolyte collecting bottle 14 is picked up, and delivery line 11 is put into battery far from that end face of filler tube 10 Liquid injection port;
It C, will by being threadedly engaged for inner surface of the Outer Tube 16 of the screw thread and outer connector 2 of 1 outer surface of interconnecting piece Outer connector 2 unscrews, and keeps outer connector 2 mobile toward liquid injection port relative to interconnecting piece 1, to make the hemispheric convex of diversion division 7 The hemispherical groove 6 that part 9 leaves 4 small end face of lower connector is played, is flowed convenient for the electrolyte in electrolyte collecting bottle 14 from bottleneck 15 Enter interconnecting piece 1, then flow into outer connector 2 from the hemispherical groove 6 of interconnecting piece 1, then from the water conservancy diversion through-hole of outer connector 2 8 flow into funnel 3, then out of, the delivery line 11 of funnel 3 flows into battery liquid injection port, hence into the inner cavity of battery 13, complete the electrolyte injection of battery;
D, after the completion of electrolyte injection, by the screw thread of 1 outer surface of interconnecting piece and the Outer Tube 16 of outer connector 2 Interconnecting piece 1 is connect by being threadedly engaged for surface with outer connector 2, and is screwed, and the hemispheric projection piece 9 of diversion division 7 is pushed up The hemispherical groove 6 of 4 small end face of connecting tube of staying makes lower connector 4 form a closing again at the small end face of its own End, avoids electrolyte from flowing out;
E, delivery line 11 is exited into liquid injection port, and catches delivery line 11 12 sets of protective case, then unclamp 15 appearance of bottleneck The screw thread of the screw thread in face and 1 inner surface of interconnecting piece, when electrolyte being needed to flow out, unscrew the screw thread of 1 outer surface of interconnecting piece with The threaded connection of the inner surface of the Outer Tube 16 of outer connector 2;
During entire addition electrolyte, pass through the inner surface of the screw thread and Outer Tube 16 of 1 outer surface of interconnecting piece It is threadedly coupled and screws and the hemispheric projection piece 9 of diversion division 7 holds out against the hemispherical groove 6 of 4 small end face of lower connector, Whole device is set to can be good at preventing electrolyte from leaking out when not needing electrolyte outflow;
In above-mentioned steps, comprising: interconnecting piece 1, outer connector 2, funnel 3 and protective case 12;
Wherein:
The interconnecting piece 1 includes lower connector 4 and upper connector 5, and lower connector 4 is taper, is arranged on small end face There is a hemispherical groove 6, the centre of sphere of the hemispherical groove 6 is overlapped with the center of circle of the small end face of lower connector 4, the upper company Adapter tube 5 is cylinder, and its surfaces externally and internally is provided with screw thread, the large end face of an end face and lower connector 4 of upper connector 5 Connection, the axis of lower connector 4 and the axis of upper connector 5 are overlapped;
The outer connector 2 includes sequentially connected Outer Tube 16 and diversion division 7, and the inner surface of the Outer Tube 16 is arranged There is screw thread;Diversion division 7 is cylinder, is provided with the water conservancy diversion through-hole 8 through diversion division 7, the axis and Outer Tube of diversion division 7 16 axis is overlapped, and a hemispheric projection piece 9 is provided on the end face of Outer Tube 16 in the diversion division 7, protrusion The centre of sphere of part 9 is overlapped with the center of circle of the end face of diversion division 7, and the diameter length of the projection piece 9 and the diameter of hemispherical groove 6 are long Degree is consistent;
The interconnecting piece 1 and outer connector 2 pass through the screw thread of 5 outer surface of upper connector and the spiral shell of 16 inner surface of Outer Tube Line is cooperatively connected;
The funnel 3 includes filler tube 10 and delivery line 11, and the filler tube 10 is taper, large end face and diversion division End face on 7 far from Outer Tube 16 connects, and the axis of filler tube 10 is overlapped with the axis of Outer Tube 16, and the delivery line 11 is Cylinder, one end are connect with the small end face of filler tube 10, and the axis of delivery line 11 is overlapped with the axis of filler tube 10;
The protective case 12 is cylinder, and an inner cavity 13, an end face of inner cavity 13 and protective case 12 is arranged inside Connection forms an opening, another end face of protective case 12 is closed end;
Filler tube 10 enters the inner cavity 13 of protective case 12 by the opening of protective case 12;
There are two the water conservancy diversion through-holes 8;
The cylindrical bottleneck 15 an of evagination, the outer surface of the bottleneck 15 are provided on the electrolyte collecting bottle 14 It is provided with screw thread, by the screw-internal thread fit of the screw thread and upper connector 5, upper connector is mounted on bottleneck 15.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include Within protection scope of the present invention.

Claims (1)

1. making voluntarily to add electrolyte more easily method, which comprises the following steps:
A, pass through the screw thread of interconnecting piece (1) outer surface and being threadedly engaged interconnecting piece (1) for the inner surface of Outer Tube (16) It connect, and screws with outer connector (2), the hemispheric projection piece (9) of diversion division (7) is made to withstand lower connector (4) small end face Hemispherical groove (6), so that lower connector (4) is formed a closed end at the small end face of its own, electrolyte avoided to flow out;
B, pass through the screw thread of bottleneck (15) outer surface and being threadedly engaged bottleneck (15) and interior connection for interconnecting piece (1) inner surface Part (1) connects, and electrolyte collecting bottle (14) is picked up, and delivery line (11) are put far from that end face of filler tube (10) Enter the liquid injection port of battery;
C, pass through the screw thread of interconnecting piece (1) outer surface and being threadedly engaged for the inner surface of the Outer Tube (16) of outer connector (2) Outer connector (2) is unscrewed, keeps outer connector (2) mobile toward liquid injection port relative to interconnecting piece (1), to make diversion division (7) Hemispheric projection piece (9) leaves the hemispherical groove (6) of lower connector (4) small end face, convenient in electrolyte collecting bottle (14) Electrolyte from bottleneck (15) flow into interconnecting piece (1), then from the hemispherical groove (6) of interconnecting piece (1) flow into outer connector (2), funnel (3) then are flowed into from the water conservancy diversion through-hole (8) of outer connector (2), then is flowed into from the delivery line (11) of funnel (3) In the liquid injection port of battery, hence into the inner cavity (13) of battery, the electrolyte injection of battery is completed;
D, after the completion of electrolyte injection, pass through the Outer Tube (16) of the screw thread and outer connector (2) of interconnecting piece (1) outer surface Interconnecting piece (1) is connect by being threadedly engaged for inner surface with outer connector (2), and is screwed, and the hemispheric convex of diversion division (7) is made Play part (9) and withstand the hemispherical groove (6) of lower connector (4) small end face, make lower connector (4) at the small end face of its own again One closed end of secondary formation, avoids electrolyte from flowing out;
E, delivery line (11) is exited into liquid injection port, and protective case (12) set is caught delivery line (11), then unclamp bottleneck (15) The screw thread of outer surface and the screw thread of interconnecting piece (1) inner surface, when electrolyte being needed to flow out, unscrew interconnecting piece (1) outer surface Screw thread and outer connector (2) Outer Tube (16) inner surface threaded connection;
In above-mentioned steps, comprising: interconnecting piece (1), outer connector (2), funnel (3) and protective case (12);
Wherein:
The interconnecting piece (1) includes lower connector (4) and upper connector (5), and lower connector (4) is taper, on small end face It is provided with a hemispherical groove (6), the center of circle weight of the small end face of the centre of sphere and lower connector (4) of the hemispherical groove (6) It closes, the upper connector (5) is cylinder, and its surfaces externally and internally is provided with screw thread, and an end face of upper connector (5) is under The large end face of connecting tube (4) connects, and the axis of lower connector (4) and the axis of upper connector (5) are overlapped;
The outer connector (2) includes sequentially connected Outer Tube (16) and diversion division (7), the inner surface of the Outer Tube (16) It is provided with screw thread;Diversion division (7) is cylinder, is provided with the water conservancy diversion through-hole (8) through diversion division (7), diversion division (7) Axis is overlapped with the axis of Outer Tube (16), is provided with one and half on the end face of the diversion division (7) close to Outer Tube (16) Spherical projection piece (9), the centre of sphere of projection piece (9) is overlapped with the center of circle of the end face of diversion division (7), and the projection piece (9) is straight Electrical path length is consistent with the diameter length of hemispherical groove (6);
The screw thread and Outer Tube (16) inner surface that the interconnecting piece (1) and outer connector (2) pass through upper connector (5) outer surface Be threadedly engaged connection;
The funnel (3) includes filler tube (10) and delivery line (11), and the filler tube (10) is taper, large end face with lead End face in stream portion (7) far from Outer Tube (16) connects, and the axis of filler tube (10) is overlapped with the axis of Outer Tube (16), institute Delivery line (11) are stated as cylinder, one end is connect with the small end face of filler tube (10), and the axis of delivery line (11) and leakage The axis of bucket pipe (10) is overlapped;
The protective case (12) is cylinder, is arranged inside an inner cavity (13), one of inner cavity (13) and protective case (12) End face is connected to form an opening, another end face of protective case (12) is closed end;
Filler tube (10) enters the inner cavity (13) of protective case (12) by the opening of protective case (12);
There are two the water conservancy diversion through-holes (8);
The cylindrical bottleneck (15) an of evagination, the appearance of the bottleneck (15) are provided on the electrolyte collecting bottle (14) Face is provided with screw thread, and by the screw-internal thread fit of the screw thread and upper connector (5), upper connector is mounted on bottleneck (15).
CN201610729479.1A 2016-08-26 2016-08-26 Make voluntarily to add electrolyte more easily method Expired - Fee Related CN106252579B (en)

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CN201610729479.1A CN106252579B (en) 2016-08-26 2016-08-26 Make voluntarily to add electrolyte more easily method

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Application Number Priority Date Filing Date Title
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CN106252579B true CN106252579B (en) 2019-05-07

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026084173A1 (en) * 2024-10-17 2026-04-23 주식회사 엘지에너지솔루션 Hopper and electrolyte injection pallet including same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203733879U (en) * 2014-01-25 2014-07-23 南通瑞达电子材料有限公司 Electrolyte liquid filling pipe
CN206076372U (en) * 2016-08-26 2017-04-05 四川荣联电子科技有限公司 The device for preventing electrolyte from leaking when electrolyte is added

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06267530A (en) * 1993-03-16 1994-09-22 Yuasa Corp Sealed lead acid battery

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203733879U (en) * 2014-01-25 2014-07-23 南通瑞达电子材料有限公司 Electrolyte liquid filling pipe
CN206076372U (en) * 2016-08-26 2017-04-05 四川荣联电子科技有限公司 The device for preventing electrolyte from leaking when electrolyte is added

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2026084173A1 (en) * 2024-10-17 2026-04-23 주식회사 엘지에너지솔루션 Hopper and electrolyte injection pallet including same

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Granted publication date: 20190507