CN209912959U - Electrode structure of alkaline storage battery - Google Patents
Electrode structure of alkaline storage battery Download PDFInfo
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- CN209912959U CN209912959U CN201920952258.XU CN201920952258U CN209912959U CN 209912959 U CN209912959 U CN 209912959U CN 201920952258 U CN201920952258 U CN 201920952258U CN 209912959 U CN209912959 U CN 209912959U
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- compression deformation
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- alkaline storage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses an alkaline storage battery electrode structure, including the positive terminal, casing and the apron that is equipped with the through-hole, the positive terminal includes that the open end is located the barrel body outside the casing, respectively from the open end of barrel body, flange and the compression deformation portion of the outside radial extension of closed end, the barrel is located the lower section between flange and compression deformation portion and inwards necks down and forms separation portion, the flange, tightly press the first sealing washer between the open end of barrel body, cover plate and compression deformation portion, tightly press the second sealing washer and press notched annular gasket between apron and the compression deformation portion, annular gasket cover is placed between compression deformation portion and separation portion, annular gasket is pressed and is equipped with sealed bulge loop, the flange is provided with annular boss; the cover plate and the positive terminal are sealed through the first sealing ring, the annular gasket and the second sealing ring; through lug, annular boss and separation portion, formed the spacing space of riveting formula, the separation electrolyte has strengthened the leakproofness of apron and positive terminal towards the outer seepage of casing effectively.
Description
Technical Field
The utility model relates to an alkaline storage battery technical field, more specifically say, it relates to an alkaline storage battery electrode structure.
Background
The alkaline storage battery takes sodium hydroxide and potassium hydroxide solution as dielectric medium, and has the characteristics of small volume, high mechanical strength, stable working voltage, large-current discharge, long service life, portability and the like, so that the alkaline storage battery is widely applied to electronic equipment such as instruments, automatic control and mobile communication equipment and becomes one of power supplies with high electric quantity requirements; at present, after the alkaline storage battery is alternately stacked through a plurality of positive plates and a plurality of negative plates and a diaphragm is packaged in a square battery shell, because alkaline electrolyte is used in the alkaline storage battery, in order to prevent the electrolyte leakage phenomenon, sufficient sealing is often required to be carried out between a positive terminal and a through hole so as to ensure that the battery has good waterproof and leakproof performance.
At present, the general use of the square battery in the alkaline storage battery is that the housing of the square battery comprises a shell and a cover plate component, the battery housing provides a closed space for accommodating the electrode component and the electrolyte, and the electric energy of the electrode component is led out from the closed space to the outside of the closed space through an electrode pole of the cover plate component. In the existing cover plate assembly, a cover plate is a metal plate and is provided with a through hole, a pole is divided into a base body part and an extension part, and the cross sectional area of the base body part is larger than the aperture of the through hole. During the assembly, the base part is located the below of apron (inside the casing promptly), and the sealing washer is located between base part and the apron, treats that the extension adopts the riveting mode to fix the extension after the through-hole is passed, fixes utmost point post on the apron through this mode.
However, in order to insulate and separate the cover plate from the positive terminal provided thereon, it is generally necessary to provide a corresponding integrally formed insulating member between the post and the cover plate, and the seal ring is also integrally formed.
SUMMERY OF THE UTILITY MODEL
To the deficiency that prior art exists, the utility model aims to provide an alkaline storage battery electrode structure has the leakproofness well and makes the advantage that the degree of difficulty is low.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an electrode structure of an alkaline storage battery comprises a shell, an anode terminal and a cover plate connected to the shell, wherein the cover plate is provided with a through hole for the anode terminal to pass through, the anode terminal comprises a barrel body part and a flange extending outwards and radially from the open end of the barrel body part, the open end of the barrel body part is positioned outside the shell, the closed end of the barrel body part passes through the through hole and extends outwards and radially to form a compression deformation part, the lower section of the barrel body positioned between the flange and the compression deformation part is necked inwards to form a blocking part, a first sealing ring is tightly pressed between the flange, the cover plate and the outer side wall of the open end of the barrel body part, a second sealing ring and an annular gasket are tightly pressed between the cover plate and the compression deformation part, and the annular gasket is sleeved between the compression deformation part and the blocking part, the annular gasket is provided with a sealing convex ring in a pressing mode, and the flange is provided with an annular boss.
Further setting: the first sealing ring and the second sealing ring are made of nylon materials.
Further setting: two groups of sealing convex rings are arranged.
Further setting: the second sealing ring and the contact surface between the blocking parts are arranged in an arc-shaped curved surface.
Further setting: the electrode collector plate is positioned in the shell, the compression deformation part is welded with the electrode collector plate, and the middle of the compression deformation part faces towards one end face of the electrode collector plate and is arranged in an outer convex face mode.
Further setting: the positive terminal is integrally formed by deep drawing and stretching.
Further setting: the annular gasket is an annular steel plate.
Further setting: and two sides of the flange are connected with wanes used for adjusting the length of the series batteries.
To sum up, the utility model realizes the sealing function of the flange, the cover plate and the opening end of the cylinder body part by closely contacting the first sealing ring with the opening end, the cover plate and the flange of the cylinder body part; the sealing effect of the cover plate, the blocking part and the compression deformation part is realized through the annular gasket and the second sealing ring; in addition, a riveting type limiting space is formed by the sealing convex ring, the annular boss and the blocking part; the sealing convex ring is used for enhancing the sealing performance of the positive terminal and the rigidity of the whole structure; the sealing performance between the second sealing ring and the flange and the rigidity of the whole structure are further enhanced through the annular boss; through the blocking part, the upward deformation of the extension deformation of the cylinder body is blocked in the pressing riveting deformation process of the positive terminal, the second sealing ring is further compressed, the electrolyte is effectively prevented from leaking out of the shell, and the sealing property of the positive terminal is further enhanced; the utility model has the advantages of simple integral structure, the leakproofness is good and has reduceed manufacturing cost and the degree of difficulty.
Drawings
FIG. 1 is a partial cross-sectional view of an embodiment of the present invention;
fig. 2 is a partial schematic structural diagram of an embodiment of the present invention;
fig. 3 is a schematic view of a flange structure according to an embodiment of the present invention.
In the figure: 1. a housing; 2. a cover plate; 3. a positive terminal; 4. a through hole; 5. a flange; 6. a barrel portion; 7. a compression deformation section; 8. a blocking section; 9. a first seal ring; 10. a second seal ring; 11. an annular gasket; 12. a seesaw; 13. a groove; 14. a sealing convex ring; 15. an electrode collector plate; 16. an annular boss; 17. an insulating plate.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
The utility model discloses the most crucial design lies in: the first sealing ring 9, the annular gasket 11 and the second sealing ring 10 are arranged to simultaneously play insulating and sealing roles, so that the cost and the manufacturing difficulty are reduced; the barrel part 6 is provided with a reducer section to form a blocking part 8, so that electrolyte is effectively blocked from leaking out of the shell 1, and the sealing property of the positive terminal 3 is enhanced; a riveting type limiting space is formed by the sealing convex ring 14, the annular boss 16 and the blocking part 8; between the blocking part 8 and the compression deformation part 7, the annular gasket 11 and the second sealing ring 10 can be further riveted, and the second sealing ring 10 is deformed under pressure, so that more reliable sealing and insulation are formed between the positive terminal 3 and the shell 1; simultaneously, this setting of separation portion 8 for positive terminal 3 is riveting the deformation in-process in the pressure, and the upwards deformation that barrel part 6 extends the deformation receives the separation, mainly extends to the radius direction of bottom surface under barrel part 6, and the length that should extend deformation to the radius direction extension is whole positive terminal 3, annular gasket 11, first sealing washer 9 and the second sealing washer 10 between can seal the key structure of riveting.
Referring to fig. 1 to 3, the utility model provides an alkaline storage battery electrode structure, including casing 1, positive terminal 3 and cover plate 2 connected to casing 1, cover plate 2 is provided with through hole 4 for positive terminal 3 to pass, positive terminal 3 includes barrel 6 and flange 5 extending radially outward from the open end of barrel 6, the open end of barrel 6 is located outside casing 1, the closed end of barrel 6 passes through hole 4 and extends radially outward to form compression deformation portion 7, the lower section of barrel between flange 5 and compression deformation portion 7 forms separation portion 8 by inward necking down, flange 5, cover plate 2 and the outer side wall of the open end of barrel 6 are pressed tightly with first sealing ring 9, cover plate 2 and compression deformation portion 7 are pressed tightly with second sealing ring 10 and annular gasket 11, annular gasket 11 is nested between compression deformation portion 7 and separation portion 8, the annular gasket 11 is pressed with a sealing convex ring 14, and the flange 5 is provided with an annular boss 16.
With this arrangement, the positive terminal 3 first passes through the through hole 4, so that the closed end of the barrel portion 6 enters the housing 1, and then a sealing portion is formed between the flange 5, the blocking portion 8, and the compression deformation portion 7; the first sealing ring 9, the cover plate 2, the second sealing ring 10 and the annular gasket 11 are sequentially arranged in the sealing part, and the functions of improving the sealing property and the insulating property between the positive electrode and the negative electrode of the battery are realized through pressure riveting deformation; in addition, the compression deformation between the annular boss 16 and the first sealing ring 9 plays a role in enhancing the sealing performance of the first sealing ring 9 and the flange 5; the sealing performance and the integral structural rigidity of the annular gasket 11, the second sealing ring 10 and the blocking part 8 are enhanced through the concave part formed at the abutting part of the second sealing ring 10 and the sealing convex ring 14; the annular boss 16 arranged on the flange 5 plays a role in enhancing the sealing performance of the first sealing ring 9 and the flange 5, the insulating performance of the positive electrode terminal 3 and the rigidity of the whole structure; through the blocking part 8, the upward deformation of the extension deformation of the cylinder body part 6 is blocked in the pressing riveting deformation process of the positive terminal 3, the second sealing ring 10 is further compressed, the electrolyte is effectively prevented from leaking out of the shell 1, and the sealing performance of the positive terminal 3 is further enhanced; the utility model has the advantages of simple integral structure, strengthened the leakproofness and reduced manufacturing cost and the degree of difficulty.
Further setting: the first sealing ring 9 and the second sealing ring 10 are both made of nylon materials.
With the arrangement, the first sealing ring 9 and the second sealing ring 10 are made of nylon, and the heat resistance, the abrasion resistance, the shock absorption performance and the noise reduction performance of nylon are utilized to play roles in enhancing the insulativity, the sealing performance and the service life of the positive terminal 3, so that the manufacturing cost is reduced.
Further setting: two sets of sealing convex rings 14 are arranged.
So set up, through setting up two sets of sealed bulge loops 14, prevent that the electrolyte from leaking outward to apron 2 from the inside and outside both sides face of annular gasket 11, strengthen the leakproofness between annular gasket 11 and the second sealing washer 10, simultaneously, further strengthened annular gasket 11's structural rigidity, also be favorable to promoting compression deformation portion 77 to the radial extension of both sides.
Further setting: the contact surface between the second sealing ring 10 and the blocking part 8 is arranged in an arc-shaped curved surface.
So set up, be the arc curved surface through setting up the contact surface between second sealing washer 10 and separation portion 8, effectively prevented that the electrolyte from leaking between second sealing washer 10 and the separation portion 8, further strengthened the leakproofness between second sealing washer 10 and the separation portion 8.
Further setting: the electrode collector plate is characterized by further comprising an electrode collector plate 15 located in the shell 1, the compression deformation part 7 is welded with the electrode collector plate 15, and the middle of the compression deformation part 7 is arranged to be convex towards one end face of the electrode collector plate 15.
According to the arrangement, the compression deformation part 7 is welded with the electrode current collecting plate 15 through laser, so that the compression deformation part 7 is primarily welded with the electrode current collecting plate 15; in actual welding, through laser welding from the external radiation of positive terminal 3 to the compression deformation portion 7 of positive terminal 3 bottom, compression deformation portion 7 is the evagination face setting through the terminal surface of its middle orientation electrode current collector 15 when the pressure is riveted, avoids appearing the problem of rosin joint to the realization has improved compression deformation portion 7 and electrode current collector 15 welding rate and has reduced the effect of welding defect rate, has further strengthened the leakproofness and has reduced the manufacturing degree of difficulty.
Further setting: the positive electrode terminal 3 is integrally formed by deep drawing and stretching.
So set up, anodal terminal 3 simplifies anodal terminal 3's structure through the tensile integrated into one piece of deep drawing, reduces the manufacturing degree of difficulty, reduces the production in anodal terminal 3 gap, further realizes the effect of reinforcing anodal terminal 3's leakproofness.
Further setting: the annular gasket 11 is an annular steel plate.
According to the arrangement, the annular gasket 11 is an annular steel plate, and steel has good strength, toughness, hardness and wear resistance; under the condition of severe vibration under working conditions, the shape and the size of the annular gasket 11 can still be kept unchanged under the condition of bearing considerable pressure and friction force; thereby realizing the purpose of ensuring the sealing state of the through hole 4.
Further setting: the flanges 5 are connected at both sides with a seesaw 12 for adjusting the length of the series-connected batteries.
So arranged, the subsequent adjustment of the length of the series-connected batteries is facilitated by the seesaw 12 connected to both sides of the flange 5.
Referring to fig. 1 to 3, the first embodiment of the present invention is:
the utility model provides a pair of alkaline storage battery electrode structure, as shown in fig. 1, including casing 1, positive terminal 3, apron 2 and electrode current collector 15, apron 2 is connected on casing 1, sets up the through-hole 4 that supplies positive terminal 3 to pass on the apron 2, and electrode current collector 15 is located casing 1.
As shown in fig. 1, the positive electrode terminal 3 includes a cylindrical body 6 and a flange 5 extending radially outward from an open end of the cylindrical body 6; the open end of the cylinder part 6 is positioned at the closed end of the cylinder part 6 outside the shell 1, penetrates through the through hole 4 and extends outwards in the radial direction to form a compression deformation part 7, and the lower section of the cylinder part 6, which is positioned between the flange 5 and the compression deformation part 7, is inwardly contracted to form a blocking part 8; a first sealing ring 9 is tightly pressed between the flange 5, the cover plate 2 and the outer side wall of the opening end of the barrel part 6; a second sealing ring 10 and an annular gasket 11 are tightly pressed between the cover plate 2 and the compression deformation part 7; the contact surface between the second sealing ring 10 and the blocking part 8 is arranged in an arc-shaped curved surface; the positive terminal 3 is integrally formed by deep drawing and stretching a metal plate.
As shown in fig. 1 and 2, a groove 13 is pressed on the annular gasket 11, a sealing convex ring 14 is formed on the other surface of the annular gasket 11 corresponding to the groove 13, the sealing convex ring 14 enhances the sealing performance and the overall structural rigidity of the annular gasket 11, the second seal ring 10 and the blocking portion 8, and two sealing convex rings 14 are provided; in the present embodiment, the annular gasket 11 is an annular steel plate.
As shown in fig. 1 and 2, a recess is formed at the position where the second seal ring 10 abuts against the seal convex ring 14, so that the sealing performance between the second seal ring and the blocking portion 8 is enhanced; the first sealing ring 9 and the second sealing ring 10 are both made of nylon materials.
As shown in fig. 1 and 3, the flange 5 is provided with an annular boss 16, the annular boss 16 enhances the sealing performance of the flange 5 and the first seal ring 9 and the rigidity of the whole structure, and the position where the first seal ring 9 abuts against the annular boss 16 is concavely deformed; the flanges 5 are connected on both sides with a rocker 12 that adjusts the length of the series connected batteries.
As shown in fig. 1 and 2, the compression-deformed portion 7 is welded to the electrode current collecting plate 15; insulating plates 17 are arranged on two sides of the compression deformation part 7; the insulating plate 17 is provided to insulate and isolate the positive and negative electrodes.
To sum up, the first sealing ring 9 of the present invention is tightly contacted with the opening end of the barrel 6, the cover plate 2 and the flange 5, so as to realize the sealing function of the flange 5, the cover plate 2 and the opening end of the barrel 6; the sealing function of the cover plate 2, the blocking part 8 and the compression deformation part 7 is realized through the annular gasket 11 and the second sealing ring 10; in addition, a riveting type limiting space is formed by the sealing convex ring 14, the annular boss 16 and the blocking part 8; the sealing convex ring 14 enhances the sealing performance of the positive terminal 3 and the rigidity of the whole structure; the sealing performance between the second sealing ring 10 and the flange 5 and the rigidity of the whole structure are further enhanced by the annular boss 16; through the blocking part 8, the upward deformation of the extension deformation of the cylinder body part 6 is blocked in the pressing riveting deformation process of the positive terminal 3, the second sealing ring 10 is further compressed, the electrolyte is effectively prevented from leaking out of the shell 1, and the sealing performance of the positive terminal 3 is further enhanced; the utility model has the advantages of simple integral structure, the leakproofness is good and has reduceed manufacturing cost and the degree of difficulty.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (8)
1. An alkaline storage battery electrode structure, includes casing, positive terminal and connect in apron on the casing, offer on the apron and supply the through-hole that positive terminal passed, its characterized in that: the positive terminal comprises a barrel body part and a flange extending outwards and radially from the opening end of the barrel body part, the opening end of the barrel body part is located outside the shell, the closed end of the barrel body part penetrates through the through hole and extends outwards and radially to form a compression deformation part, the lower section of the barrel body between the flange and the compression deformation part is inwardly necked to form a separation part, a first sealing ring is tightly pressed between the outer side wall of the opening end of the barrel body part and the flange, a second sealing ring and an annular gasket are tightly pressed between the cover plate and the compression deformation part, the annular gasket is sleeved between the compression deformation part and the separation part, a sealing convex ring is pressed on the annular gasket, and an annular boss is arranged on the flange.
2. The electrode structure for alkaline storage batteries according to claim 1, wherein: the first sealing ring and the second sealing ring are made of nylon materials.
3. The electrode structure for alkaline storage batteries according to claim 1, wherein: two groups of sealing convex rings are arranged.
4. The electrode structure for alkaline storage batteries according to claim 1, wherein: the second sealing ring and the contact surface between the blocking parts are arranged in an arc-shaped curved surface.
5. The electrode structure for alkaline storage batteries according to claim 1, wherein: the electrode collector plate is positioned in the shell, the compression deformation part is welded with the electrode collector plate, and the middle of the compression deformation part faces towards one end face of the electrode collector plate and is arranged in an outer convex face mode.
6. The electrode structure for alkaline storage batteries according to claim 1, wherein: the positive terminal is integrally formed by stamping and stretching.
7. The electrode structure for alkaline storage batteries according to claim 1, wherein: the annular gasket is an annular steel plate.
8. The electrode structure for alkaline storage batteries according to claim 1, wherein: and two sides of the flange are connected with wanes used for adjusting the length of the series batteries.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920952258.XU CN209912959U (en) | 2019-06-24 | 2019-06-24 | Electrode structure of alkaline storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920952258.XU CN209912959U (en) | 2019-06-24 | 2019-06-24 | Electrode structure of alkaline storage battery |
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| CN209912959U true CN209912959U (en) | 2020-01-07 |
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| CN201920952258.XU Active CN209912959U (en) | 2019-06-24 | 2019-06-24 | Electrode structure of alkaline storage battery |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247025A (en) * | 2019-06-24 | 2019-09-17 | 福建卫东新能源股份有限公司 | A kind of alkaline battery electrode structure |
| WO2022158864A3 (en) * | 2021-01-19 | 2022-09-15 | 주식회사 엘지에너지솔루션 | Electrode terminal fixing structure, and battery, battery pack and vehicle comprising same |
| US12125985B2 (en) | 2021-02-19 | 2024-10-22 | Lg Energy Solution, Ltd. | Electrode assembly, battery, and battery pack and vehicle including the same |
| US12132227B2 (en) | 2021-01-19 | 2024-10-29 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle comprising the same |
-
2019
- 2019-06-24 CN CN201920952258.XU patent/CN209912959U/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110247025A (en) * | 2019-06-24 | 2019-09-17 | 福建卫东新能源股份有限公司 | A kind of alkaline battery electrode structure |
| CN110247025B (en) * | 2019-06-24 | 2024-09-17 | 福建卫东新能源股份有限公司 | Electrode structure of alkaline storage battery |
| WO2022158864A3 (en) * | 2021-01-19 | 2022-09-15 | 주식회사 엘지에너지솔루션 | Electrode terminal fixing structure, and battery, battery pack and vehicle comprising same |
| WO2022158863A3 (en) * | 2021-01-19 | 2022-09-15 | 주식회사 엘지에너지솔루션 | Battery, and battery pack and vehicle comprising same |
| US12132227B2 (en) | 2021-01-19 | 2024-10-29 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle comprising the same |
| US12136706B2 (en) | 2021-01-19 | 2024-11-05 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle including the same |
| US12142734B2 (en) | 2021-01-19 | 2024-11-12 | Lg Energy Solution, Ltd. | Battery, and battery pack and vehicle including the same |
| US12125985B2 (en) | 2021-02-19 | 2024-10-22 | Lg Energy Solution, Ltd. | Electrode assembly, battery, and battery pack and vehicle including the same |
| US12125986B2 (en) | 2021-02-19 | 2024-10-22 | Lg Energy Solution, Ltd. | Battery and current collector applied thereto, and battery pack and vehicle including the same |
| US12132175B2 (en) | 2021-02-19 | 2024-10-29 | Lg Energy Solution, Ltd. | Electrode assembly, battery, and battery pack and vehicle including the same |
| US12136707B2 (en) | 2021-02-19 | 2024-11-05 | Lg Energy Solution, Ltd. | Battery and current collector applied thereto, and battery pack and vehicle including the battery |
| US12199247B2 (en) | 2021-02-19 | 2025-01-14 | Lg Energy Solution, Ltd. | Battery and current collector applied thereto, and battery pack and vehicle including the same |
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