CN217589147U - Steel shell electricity core structure - Google Patents
Steel shell electricity core structure Download PDFInfo
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- CN217589147U CN217589147U CN202220830083.7U CN202220830083U CN217589147U CN 217589147 U CN217589147 U CN 217589147U CN 202220830083 U CN202220830083 U CN 202220830083U CN 217589147 U CN217589147 U CN 217589147U
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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 a box hat electricity core structure. The utility model comprises a metal lower shell component, a liquid injection port sealing component, a pole group component, an insulating washer and a metal upper shell; the metal lower shell assembly comprises a first surface, a pole is convexly arranged on the first surface, and the pole is insulated from the metal lower shell; the pole group assembly comprises a first conducting strip and a second conducting strip, wherein the first conducting strip and the second conducting strip are respectively and electrically connected with the pole and the metal lower shell; the edge of casing lateral wall is equipped with the step blade under the metal that casing subassembly includes under the metal, the edge of casing lateral wall be equipped with on the metal with step blade assorted flange, casing and last casing can lock completely under the metal. The utility model discloses a casing and the structural design of last casing lock under the metal can guarantee the development of thicker box hat electricity core effectively, greatly improves the security of box hat electricity core.
Description
Technical Field
The utility model relates to a battery technology field especially relates to a box hat electricity core structure.
Background
At present, along with the rapid development of science and technology, more and more electronic portable mobile devices are favored by the industry and customers, and in order to meet the multi-scene mobile requirements of users, the electronic portable mobile devices have more and more enhanced functions and changeable sizes and performances.
However, the larger the thickness of the battery cell is, the larger the depth of the metal shell is, the higher the requirements on the stretching capacity and the stretching size precision of the metal material are, the four vertex angles of the steel shell battery cell main body are the positions where the stretching deformation of the material is the largest, and the risk of material fracture is the highest. The thickness of the current steel-shell cell is limited to the current steel-shell structure, and the cell is thinner.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a steel-shelled cell structure can guarantee the development of thicker steel-shelled cell effectively, realizes more application of electron portable mobile device.
Therefore, the utility model provides a steel shell battery cell structure, which comprises a metal lower shell component 10;
the metal lower shell assembly 10 comprises a metal lower shell 11, a pole 12, an upper gasket 13 for insulating the pole 12 and the metal lower shell 11, a metal adapter sheet 14 and a lower gasket 15 for insulating the metal adapter sheet 14 and the metal lower shell 11;
the metal lower shell 11 is provided with a first side wall 111, a second side wall 112, a third side wall 113, a fourth side wall 114, a fifth side wall 115, a groove 116, a first pole hole 117 and a liquid injection hole 118;
the edges of the first side wall 111, the second side wall 112, the third side wall 113 and the fourth side wall 114 are respectively provided with a first step cutting edge 1111, a second step cutting edge 1121, a third step cutting edge 1131 and a fourth step cutting edge 1141;
the pole 12 is provided with a pole cap 121, a pole nail 122 and a second pole hole 123;
the pole 12 is fixedly connected with the metal lower shell component 10 through a rivet.
The upper gasket 13 is provided with a first positioning hole 131;
the adapter plate 14 is provided with a second positioning hole 141;
the lower gasket 15 is provided with a third positioning hole 151;
the liquid injection hole 118 of the metal lower shell 11 is sealed through the liquid injection port sealing piece 20;
the interior of the metal lower housing component 10 contains a pole set component 30;
the pole group assembly 30 comprises a pole group 31, a first conducting strip 32, a second conducting strip 33, a conducting strip protecting tape 34, a bottom tape 35 and a terminating tape 36;
the lower metal shell assembly 10 and the pole group assembly 30 are fixed in position by an insulating washer 40;
the insulating washer 40 is provided with a first hollow hole 41 and a second hollow hole 42 convenient for liquid injection;
the upper part of the metal lower shell component 10 is provided with a metal upper shell 50 buckled with the metal lower shell component;
the metal upper shell 50 is provided with a first side 51, a second side 52, a third side 53, a fourth side 54, a fifth side 55 and a pressure relief explosion-proof valve 56;
the edges of the first side 51, the second side 52, the third side 53 and the fourth side 54 are respectively provided with a first flange 511, a second flange 521, a third flange 531 and a fourth flange 541;
the insulating metal material adapter sheet is fixedly connected with the pole hole 123 of the pole 12 through a rivet;
the upper gasket 13 is double-sided adhesive and is used for insulating and fixedly connecting the pole 12 and the lower metal shell 11;
the lower gasket 15 is double-sided adhesive and is used for insulating and fixedly connecting the metal adapter sheet 14 and the metal lower shell 11;
wherein, the pole 12 in the metal lower shell assembly 10 protrudes from the surface of the first sidewall 111, and the pole 12 is insulated from the metal lower shell 11;
wherein, the first step cutting edge 1111, the second step cutting edge 1121, the third step cutting edge 1131 and the fourth step cutting edge 1141 of the metal lower shell 11 are completely matched and buckled with the first flange 511, the second flange 521, the third flange 531 and the fourth flange 541 of the metal upper shell 50;
the insulating washer 40 fixes the position of the pole group assembly 30 in the metal lower shell assembly 10, and can ensure that the first conducting strip 32 does not contact the metal lower shell assembly 10 and the metal upper shell 50, so as to avoid short circuit; the second hollow hole 42 of the insulating washer 40 is convenient for the electrolyte to completely infiltrate into the inside of the pole group 31;
the first conducting strip 32 of the pole group assembly 30 is electrically connected with the adaptor strip 14 of the metal lower shell assembly 10, that is, the polarities of the first conducting strip 32 and the pole 12 are the same;
the second conducting strip 33 of the pole group assembly 30 is electrically connected with the lower shell 11 of the metal lower shell assembly 10, that is, the polarity of the second conducting strip 33 is the same as that of the metal lower shell 11, and the metal lower shell 11 and the metal upper shell 50 are completely buckled with each other, that is, the second conducting strip 33 of the pole group assembly 30, the metal lower shell 11 and the metal upper shell 50 have the same polarity;
wherein, casing 50's material and shape can carry out the adaptability adjustment according to actual need under metal 11 and the metal, for example, in the embodiment of the utility model, because the box-hat battery is installed in intelligent wearing equipment's framework as intelligent wearing equipment's power, and for making the box-hat battery have good mechanical properties, casing 50's material can be for the steel alloy under metal 11 and the metal, and casing 50's shape roughly is the cuboid under metal 11 and the metal, of course in the utility model discloses in other embodiments, casing 50's material can also be aluminum alloy, ferroalloy, copper alloy, nickel alloy or stainless steel etc. under metal 11 and the metal, and its shape still can be the regular structure such as column.
Wherein, the pole 12 is made of nickel material; the upper gasket 13 and the lower gasket 15 are made of insulating materials; the adaptor plate 14 is made of nickel or other metal materials; the liquid injection port seal 20 is made of stainless steel metal material; the first conductive sheet 32 and the second conductive sheet 33 of the electrode assembly 31 may be made of nickel alloy, copper alloy or aluminum alloy; the conducting strip protective tape 34, the bottom tape 35 and the termination tape 36 are made of insulating materials; the insulating washer 40 is made of an insulating material;
by the above the technical scheme provided by the utility model it is visible, compare with prior art, the utility model provides a box hat electricity core structure, it can guarantee under the prerequisite of present metal material's tensile ability and tensile size required precision, the utility model discloses a structural design of casing and last casing lock under the metal can guarantee the development of thicker box hat electricity core effectively, realizes the application of more portable mobile devices of electron. Is beneficial to improving the market application prospect of products of battery manufacturers and has great production practice significance.
Compared with the prior art, the utility model provides a pair of box hat electricity core structure. Has the following beneficial technical effects:
the utility model discloses can be to the great and higher condition to its size precision requirement of box-hat battery thickness. The step cutting edge of the lower metal shell and the flange of the upper metal shell are completely matched and buckled, so that the risk of breakage of materials at four vertex angles of the main body of the cell caused by the thicker steel shell cell is effectively reduced, and the development of the thicker steel shell cell is effectively ensured;
drawings
Fig. 1 is a schematic diagram of a three-dimensional structure of a steel shell battery cell of the present invention;
fig. 2 is a schematic diagram of an explosion structure of a middle steel shell battery cell of the present invention;
fig. 3 is a schematic perspective view of a lower metal shell assembly according to the present invention;
fig. 4 is a schematic perspective view of the lower metal shell of the present invention;
fig. 5 is a schematic view of a three-dimensional structure of the middle pole of the present invention;
fig. 6 is a schematic perspective view of an upper gasket of the present invention;
fig. 7 is a schematic perspective view of the transfer sheet of the present invention;
fig. 8 is a schematic three-dimensional structure view of the middle and lower gaskets of the present invention;
fig. 9 is a schematic perspective view of the middle pole assembly of the present invention;
fig. 10 is a perspective exploded view of the middle pole assembly of the present invention;
fig. 11 is a schematic perspective view of an insulating washer according to the present invention;
fig. 12 is a schematic perspective view of the upper metal shell according to the present invention.
Detailed Description
In order to make the technical field of the present invention better understand, the present invention is further described in detail with reference to the accompanying drawings and embodiments.
Referring to fig. 1 to 12, the present invention provides a steel shell cell structure, which includes a lower metal shell assembly 10;
the metal lower shell assembly 10 comprises a metal lower shell 11, a pole 12, an upper gasket 13 for insulating the pole 12 and the metal lower shell 11, a metal material adapter sheet 14 and a lower gasket 15 for insulating the metal material adapter sheet 14 and the metal lower shell 11;
the metal lower shell 11 is provided with a first side wall 111, a second side wall 112, a third side wall 113, a fourth side wall 114, a fifth side wall 115, a groove 116, a first pole hole 117 and a liquid injection hole 118;
the edges of the first side wall 111, the second side wall 112, the third side wall 113 and the fourth side wall 114 are respectively provided with a first step cutting edge 1111, a second step cutting edge 1121, a third step cutting edge 1131 and a fourth step cutting edge 1141;
the pole 12 is provided with a pole cap 121, a pole nail 122 and a pole hole II 123;
the pole 12 is fixedly connected with the metal lower shell component 10 through a rivet.
The upper gasket 13 is provided with a first positioning hole 131;
the adapter plate 14 is provided with a second positioning hole 141;
the lower gasket 15 is provided with a third positioning hole 151;
the liquid injection hole 118 of the metal lower shell 11 is sealed through the liquid injection port sealing piece 20;
the interior of the metal lower housing component 10 contains a pole set component 30;
the pole group assembly 30 comprises a pole group 31, a first conducting strip 32, a second conducting strip 33, a conducting strip protecting tape 34, a bottom tape 35 and a terminating tape 36;
the lower metal shell assembly 10 and the pole group assembly 30 are fixed in position by an insulating washer 40;
the insulating washer 40 is provided with a first hollow hole 41 and a second hollow hole 42 convenient for liquid injection;
the upper part of the metal lower shell component 10 is provided with a metal upper shell 50 buckled with the metal lower shell component;
the metal upper shell 50 is provided with a first side 51, a second side 52, a third side 53, a fourth side 54, a fifth side 55 and a pressure relief explosion-proof valve 56;
the edges of the first side 51, the second side 52, the third side 53 and the fourth side 54 are respectively provided with a first flange 511, a second flange 521, a third flange 531 and a fourth flange 541;
in the present invention, in particular, the first sidewall 111, the second sidewall 112, the third sidewall 113, and the fourth sidewall 114 of the metal lower shell 11 are sequentially connected and respectively connected to the opposite fifth sidewall 115 (not limited to the shape and size of the lower shell shown in the figure);
wherein, the edges of the first sidewall 111, the second sidewall 112, the third sidewall 113 and the fourth sidewall 114 are respectively provided with a first step cutting edge 1111, a second step cutting edge 1121, a third step cutting edge 1131 and a fourth step cutting edge 1141 (not limited to the height and size of the lower step cutting edge shown in the figure);
in the present invention, in a specific implementation, the upper gasket 13 is adhered to the groove 116 and positioned by the groove 116 (not limited to the shape and size of the upper gasket shown in the drawings);
the post cap 121 of the post 12 is adhered to the upper pad 13 (not limited to the shape and size of the post shown in the figure);
the pole stud 122 and the first positioning hole 131 are in clearance fit, and the size of the upper gasket 13 is slightly larger than that of the pole cap 121;
wherein, the lower pad 15 is adhered to the inner side of the first sidewall 111, and the post nail 122 and the positioning hole three 151 are in clearance fit (not limited to the shape and size of the lower pad shown in the figure);
the adapter sheet 14 is adhered to the lower gasket 15, and the pole 12 and the metal lower shell 11 are connected to the pole hole 123 through rivets;
in the present invention, in particular, the pole group assembly 30 is wrapped by the bottom tape 35 and the termination tape 36, so as to prevent the pole group 31 from being damaged;
the conductive sheet protective tape 34 is respectively wrapped on the first conductive sheet 32 and the second conductive sheet 33, so as to prevent the first conductive sheet 32 and the second conductive sheet 33 from gouging the electrode group 31;
wherein, the pole group 31 can be a laminated type or a winding type;
in the present invention, in particular, the insulating washer 40 fixes the position of the pole group assembly 30 in the metal lower shell assembly 10, and can ensure that the first conducting strip 32 does not contact the metal lower shell assembly 10 and the metal upper shell 50, thereby avoiding short circuit; the second hollow hole 42 of the insulating washer 40 is convenient for the electrolyte to completely infiltrate into the inside of the electrode group 31;
in the present invention, in particular, in implementation, the first conductive sheet 32 of the pole group assembly 30 is electrically connected to the adaptor sheet 14 of the metal lower housing assembly 10, that is, the polarity of the first conductive sheet 32 is the same as that of the pole 12;
in the present invention, in a specific implementation, the first side 51, the second side 52, the third side 53, and the fourth side 54 of the metal upper shell 50 are sequentially connected to each other, and are sequentially connected to the corresponding fifth sides 55 (not limited to the shape and size of the upper shell shown in the figure);
wherein, the edges of the first side 51, the second side 52, the third side 53 and the fourth side 54 are respectively provided with a first flange 511, a second flange 521, a third flange 531 and a fourth flange 541; (not limited to the height and size of the lower flange shown);
in the present invention, in the specific implementation, the first step edge 1111, the second step edge 1121, the third step edge 1131 and the fourth step edge 1141 of the lower metal shell 11 and the first flange 511, the second flange 521, the third flange 531 and the fourth flange 541 of the upper metal shell 50 are completely matched and fastened, which belong to the clearance fit and are connected by laser welding;
it should be noted that, in an actual operation process, the second conducting strip 33 of the pole group assembly 30 is electrically connected to the lower casing 3011 of the metal lower casing assembly 10, that is, the polarities of the second conducting strip 33 and the lower casing 3011 are the same, the metal lower casing 11 and the metal upper casing 50 are completely buckled, that is, the second conducting strip 33 of the pole group assembly 30, the metal lower casing 3011 and the metal upper casing 50 are of the same polarity;
it should be noted that, in the actual operation process, in order to adapt to the diversity of the steel shell battery cell, the metal lower shell may have two poles and two adapter pieces, so that the two poles of the steel sheet battery cell are respectively of different polarities, and the metal shell is non-polar;
it should be noted that, to the utility model discloses, the utility model discloses can be to the great and higher condition to its size precision requirement of box-hat battery thickness. The step blade of casing under the development metal and the structure of casing flange complete matching lock on the metal have effectively reduced because of the cracked risk of four apex angle materials of electric core main part is resulted in to steel casing electricity core is thick, guarantee the development of thicker steel casing electricity core effectively, greatly improve the security of steel casing electricity core.
Therefore, right the utility model discloses, the structural design that the casing flange matches the lock completely on the step blade of casing and the metal of adoption metal lower casing can guarantee the development of thicker steel-shelled electricity core effectively, realizes more portable mobile device's of electron application, has extensive market perspective.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of 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 (5)
1. A steel-shelled electrical core structure, comprising a metal lower shell assembly (10);
the metal lower shell assembly (10) comprises a metal lower shell (11), a pole (12), an upper gasket (13) for insulating the pole (12) from the metal lower shell (11), a metal material adapter plate (14) and a lower gasket (15) for insulating the metal material adapter plate (14) from the metal lower shell (11);
the metal lower shell (11) is provided with a first side wall (111), a second side wall (112), a third side wall (113), a fourth side wall (114), a fifth side wall (115), a groove (116), a first pole column hole (117) and a liquid injection hole (118);
the edges of the first side wall (111), the second side wall (112), the third side wall (113) and the fourth side wall (114) are respectively provided with a first step cutting edge (1111), a second step cutting edge (1121), a third step cutting edge (1131) and a fourth step cutting edge (1141);
the pole (12) is provided with a pole cap (121), a pole nail (122) and a pole hole II (123);
the pole (12) is fixedly connected with the metal lower shell assembly (10) through a rivet;
the upper gasket (13) is provided with a first positioning hole (131);
the adapter sheet (14) is provided with a second positioning hole (141);
the lower gasket (15) is provided with a third positioning hole (151);
the liquid injection hole (118) of the metal lower shell (11) is sealed through a liquid injection port sealing piece (20);
the interior of the metal lower shell component (10) comprises a pole group component (30);
the pole group assembly (30) comprises a pole group (31), a first conducting strip (32), a second conducting strip (33), a conducting strip protecting adhesive tape (34), a bottom adhesive tape (35) and a termination adhesive tape (36);
the middle of the metal lower shell component (10) and the pole group component (30) is fixed in position through an insulating gasket (40);
the insulating gasket (40) is provided with a first hollow hole (41) and a second hollow hole (42) convenient for liquid injection;
the upper part of the metal lower shell component (10) is provided with a metal upper shell (50) which is buckled with the metal lower shell component;
the metal upper shell (50) is provided with a first side edge (51), a second side edge (52), a third side edge (53), a fourth side edge (54), a fifth side edge (55) and a pressure relief explosion-proof valve (56);
the edges of the first side edge (51), the second side edge (52), the third side edge (53) and the fourth side edge (54) are respectively provided with a first flange (511), a second flange (521), a third flange (531) and a fourth flange (541).
2. A steel casing cell structure according to claim 1 wherein the first (1111), second (1121), third (1131) and fourth (1141) stepped edges of the metal lower casing (11) and the first (511), second (521), third (531) and fourth (541) flanges of the metal upper casing (50) are fully mated and snapped together.
3. A steel casing cell structure according to claim 1, wherein an insulating washer (40) fixes the position of the pole group assembly (30) in the metal lower casing assembly (10) for ensuring that the first conducting strip (32) does not contact the metal lower casing assembly (10) and the metal upper casing (50); and the hollow hole II (42) of the insulating washer (40) is used for completely soaking the inside of the electrode group (31) by the electrolyte.
4. The steel-shelled cell structure according to claim 1, characterized in that the first conducting strip (32) of the pole group assembly (30) is electrically connected to the interposer (14) of the metal-shelled cell assembly (10).
5. The steel-shelled cell structure according to claim 1 or 2, wherein the second conductive sheet (33) of the pole group assembly (30) is electrically connected to the metal lower casing (11) of the metal lower casing assembly (10), and the metal lower casing (11) and the metal upper casing (50) are completely fastened together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220830083.7U CN217589147U (en) | 2022-04-12 | 2022-04-12 | Steel shell electricity core structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220830083.7U CN217589147U (en) | 2022-04-12 | 2022-04-12 | Steel shell electricity core structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217589147U true CN217589147U (en) | 2022-10-14 |
Family
ID=83540935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220830083.7U Active CN217589147U (en) | 2022-04-12 | 2022-04-12 | Steel shell electricity core structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217589147U (en) |
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2022
- 2022-04-12 CN CN202220830083.7U patent/CN217589147U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230215 Address after: 300000 No.38 Haitai South Road, Huayuan Industrial Zone (outside the ring), High-tech Zone, Binhai New Area, Tianjin Patentee after: Tianjin Juyuan New Energy Technology Co.,Ltd. Address before: 300384 Tianjin Binhai New Area Binhai high tech Industrial Development Zone (outer ring) 38 Haitai South Road Patentee before: TIANJIN LISHEN BATTERY JOINT-STOCK Co.,Ltd. |
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| TR01 | Transfer of patent right |