CN217522191U - Button cell without need of internal welding tab - Google Patents
Button cell without need of internal welding tab Download PDFInfo
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- CN217522191U CN217522191U CN202123133039.5U CN202123133039U CN217522191U CN 217522191 U CN217522191 U CN 217522191U CN 202123133039 U CN202123133039 U CN 202123133039U CN 217522191 U CN217522191 U CN 217522191U
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Abstract
The utility model discloses a button cell of utmost point ear of need not interior welding, including the positive pole shell, peg graft there is the negative pole shell the inboard of positive pole shell, the electrically conductive silica gel of foaming is all installed to the bottom of positive pole shell inner chamber and the top of negative pole shell inner chamber, electric core is installed at the top of the electrically conductive silica gel of foaming of positive pole shell inner chamber, be provided with the sealing washer between the outer wall of negative pole shell and the inner wall of positive pole shell. The beneficial effects of the utility model reside in that: the novel battery has the advantages that the time is saved in the process of welding the anode tab and the cathode tab in the inside, the efficiency is improved, the defects that welding spots caused by the steel and the nickel sheets of the outer welding sheet and the lead are overlapped to damage the shell and burrs are generated in the inside welding process are effectively reduced because the novel battery does not need to weld the tab in the inside, the time efficiency is saved, the rejection rate caused by the outer welding of the rear section is reduced, the yield and the qualification rate of the battery are improved, the battery performance is more stable, the storage time is longer, the cycle time is longer, the battery endurance is longer, and the like.
Description
Technical Field
The utility model belongs to the technical field of the button cell, concretely relates to button cell who welds utmost point ear in need not.
Background
In order to achieve higher capacity, a button cell generally uses stainless steel with a thickness of 0.1-0.2 as a positive electrode shell and a negative electrode shell of the cell, and an internal fixed conduction connection mode of welding and fixing the lug of an electric core and the inside of the shell by using a jig is adopted, and external welding sheet steel, nickel sheets, wires and the like are required outside a cell finished product and used for connecting terminal products.
SUMMERY OF THE UTILITY MODEL
(1) Technical problem to be solved
An object of the utility model is to provide a button cell who welds utmost point ear in need of to solve the battery and probably appear the weeping, and the battery appears low appearance, low pressure, K value big batch bad, the short scheduling problem of hold time.
(2) Technical scheme
In order to solve the technical problem, the utility model provides a such button cell that need not interior welding utmost point ear, including positive shell, it has the negative pole shell to peg graft in positive shell's inboard, the electrically conductive silica gel of foaming is all installed at the bottom of positive shell inner chamber and the top of negative pole shell inner chamber, electric core is installed at the top of the electrically conductive silica gel of foaming of positive shell inner chamber, be provided with the sealing washer between the outer wall of negative pole shell and the inner wall of positive shell, the welding has the negative pole ear strip on the inner wall at negative pole shell top, the welding has positive pole ear strip on the inner wall of positive shell bottom, the one end welding of negative pole ear strip is in the left side of electric core, the one end welding of positive pole ear strip is on the right side of electric core.
Preferably, the top of the negative electrode shell is welded with a first external welding steel sheet, and the bottom of the positive electrode shell is welded with a second external welding steel sheet for replacing nickel sheets and wires, so that the effect of the battery is improved.
Preferably, an outer welding spot I is arranged between the outer welding steel sheet I and the outer wall of the top of the cathode shell, and an outer welding spot II is arranged between the outer welding steel sheet II and the outer wall of the bottom of the anode shell, so that the stability of the outer welding steel sheet is improved.
Preferably, an overlapping welding spot I is arranged between the outer welding steel sheet II and the outer wall of the bottom of the positive electrode shell, an overlapping welding spot II is arranged between the outer welding steel sheet I and the outer wall of the top of the negative electrode shell, one end of the negative electrode lug strip is welded on the overlapping welding spot II, and one end of the positive electrode lug strip is welded on the overlapping welding spot I and used for connecting the positive electrode and the negative electrode of the battery core, so that the smoothness of the positive electrode and the negative electrode of the battery is ensured.
Preferably, the two ends of the outer sides of the positive electrode shell and the negative electrode shell are respectively sleeved with a hoop, a cushion block is arranged between the positive electrode shell, the negative electrode shell and the hoop, and the cushion blocks are welded on the inner side of the hoop and used for improving the box lifting degree of the hoop.
Preferably, one side of the cushion block is attached to a corner of the negative electrode shell and the positive electrode shell.
Preferably, the two sides of the battery cell are fixedly connected with insulating sheaths wrapping the outer sides of the negative electrode lug strip and the positive electrode lug strip, so that the insulating property of the battery is improved, and the use safety is ensured.
(3) Advantageous effects
Compared with the prior art, the beneficial effects of the utility model reside in that: the novel battery has the advantages that the internal welding process of the anode lug and the cathode lug is omitted, the time is saved, the efficiency is improved, the defects that welding spots caused by external welding sheet steel, nickel sheets and wires are overlapped to damage the shell and burrs are generated by internal welding are effectively overcome because the novel battery does not need the internal welding lugs, the time efficiency is saved, the rejection rate caused by back-end external welding is reduced, the yield and the qualification rate of the battery are improved, the battery performance is more stable, the storage time is longer, the cycle time is longer, and the battery endurance is longer.
Drawings
In order to clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, it is obvious that the drawings in the following description are only one embodiment of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic plan sectional view of the present invention;
FIG. 3 is a schematic view of the internal structure of the housing of the present invention;
fig. 4 is a schematic bottom perspective view of the present invention;
fig. 5 is a schematic top view of the present invention.
Description of the drawings: 1. a positive electrode case; 2. a negative electrode case; 3. a foamed conductive silica gel; 4. an electric core; 5. a seal ring; 6. externally welding a first steel sheet; 7. an outer welding spot I; 8. welding a second steel sheet outside; 9. an outer welding spot II; 10. overlapping the welding spots I; 11. overlapping welding spots II; 12. negative electrode tab strips; 13. a positive tab strip; 14. an insulating sheath; 15. a hoop; 16. and a cushion block.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the following description is made for the technical solution of the present invention in the embodiments to explain the present invention clearly and completely, obviously, the described embodiments are only a part of the embodiments of the present invention, but not all the embodiments.
Example 1
Please refer to fig. 1-2, a button cell without internal tab welding comprises an anode casing 1, a cathode casing 2 is inserted into the inner side of the anode casing 1, foamed conductive silica gel 3 is installed at the bottom of the inner cavity of the anode casing 1 and the top of the inner cavity of the cathode casing 2, a cell 4 is installed at the top of the foamed conductive silica gel 3 in the inner cavity of the anode casing 1, a sealing ring 5 is arranged between the outer wall of the cathode casing 2 and the inner wall of the anode casing 1, a cathode tab 12 is welded on the inner wall at the top of the cathode casing 2, an anode tab 13 is welded on the inner wall at the bottom of the anode casing 1, one end of the cathode tab 12 is welded on the left side of the cell 4, one end of the anode tab 13 is welded on the right side of the cell 4, and insulating sheaths 14 wrapping the cathode tab 12 and the anode tab 13 are fixedly connected to the two sides of the cell 4.
Example 2
Referring to fig. 3-5, a button cell without an inner welding tab comprises an anode casing 1, a cathode casing 2 is inserted into the inner side of the anode casing 1, foamed conductive silica gel 3 is installed at the bottom of the inner cavity of the anode casing 1 and the top of the inner cavity of the cathode casing 2, a cell 4 is installed at the top of the foamed conductive silica gel 3 of the inner cavity of the anode casing 1, a sealing ring 5 is arranged between the outer wall of the cathode casing 2 and the inner wall of the anode casing 1, a cathode tab 12 is welded on the inner wall of the top of the cathode casing 2, an anode tab 13 is welded on the inner wall of the bottom of the anode casing 1, one end of the cathode tab 12 is welded on the left side of the cell 4, one end of the anode tab 13 is welded on the right side of the cell 4, and insulating sheaths 14 wrapping the cathode tab 12 and the outer sides of the anode tab 13 are fixedly connected to the two sides of the cell 4.
The top of the negative electrode shell 2 is welded with a first outer welding steel sheet 6, and the bottom of the positive electrode shell 1 is welded with a second outer welding steel sheet 8.
An outer welding spot I7 is arranged between the outer welding steel sheet I6 and the outer wall of the top of the cathode shell 2, and an outer welding spot II 9 is arranged between the outer welding steel sheet II 8 and the outer wall of the bottom of the anode shell 1.
An overlapping welding point I10 is arranged between the outer welding steel sheet II 8 and the outer wall of the bottom of the positive electrode shell 1, an overlapping welding point II 11 is arranged between the outer welding steel sheet I6 and the outer wall of the top of the negative electrode shell 2, one end of the negative electrode lug strip 12 is welded on the overlapping welding point II 11, and one end of the positive electrode lug strip 13 is welded on the overlapping welding point I10.
The two ends of the outer sides of the positive electrode shell 1 and the negative electrode shell 2 are respectively sleeved with a hoop 15, cushion blocks 16 are arranged among the positive electrode shell 1, the negative electrode shell 2 and the hoop 15, and the cushion blocks 16 are welded on the inner sides of the hoop 15.
One side of the cushion block 16 is attached to the corner between the negative electrode shell 2 and the positive electrode shell 1.
When the application is used, the foamed conductive silica gel 3 is arranged at the bottom of an inner shell of a negative electrode shell 2 and is arranged in the shell corresponding to the negative electrode of an electric core 4 to serve as a negative electrode sleeve sealing ring 5 of the battery, the foamed conductive silica gel 3 is attached to the bottom in a positive electrode shell 1 to serve as the positive electrode of the battery, after combination, mechanical pier sealing, edge sealing and buckling are carried out through a die, then insulating sheaths 14 are wrapped on two sides of the electric core 4, the electric core 4 is subjected to insulating treatment, the negative electrode shell 2 is spliced and combined in an inner cavity of the positive electrode shell 1, then an outer welding steel sheet I6 and an outer welding steel sheet II 8 are respectively welded at the bottom of the positive electrode shell 1 and the top of the negative electrode shell 2, after welding is finished, a plurality of outer welding spots I7 and outer welding spots II 9 are generated, wherein an overlapping welding spot I10 and an overlapping welding spot II 11 are also arranged, a negative electrode lug 12 is connected and installed between the outer welding steel sheet I6 and the electric core 4, and a positive electrode lug 13 is connected and installed between the outer welding steel sheet II 8 and the electric core 4, the battery is fixed by welding, wherein the first overlapped welding point 10 and the second overlapped welding point 11 are used for connecting the negative electrode lug strip 12 and the positive electrode lug strip 13, the inner welding process of the positive electrode lug and the negative electrode lug is omitted, the time is saved, the efficiency is improved, the defects that welding points overlap and damage shells and burrs generated by inner welding due to outer welding sheet steel, nickel sheets and wires are effectively reduced because the new-structure battery does not need to weld the lugs in the inner welding process, the time efficiency is saved, the rejection rate caused by outer welding of the rear section is reduced, the yield and the qualification rate of the battery are improved, the performance of the battery is more stable, the storage time is longer, the cycle time is longer, and the endurance capacity of the battery is longer.
Having thus described the principal technical features and basic principles of the invention, and the advantages thereof, it will be apparent to those skilled in the art that the present invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other embodiments without departing from the spirit or essential characteristics of the invention. 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.
Furthermore, it should be understood that although the present description is described in terms of various embodiments, not every embodiment includes only a single embodiment, and such descriptions are provided for clarity only, and those skilled in the art will recognize that the embodiments described herein can be combined as a whole to form other embodiments as would be understood by those skilled in the art.
Claims (7)
1. The utility model provides a button cell of utmost point ear need not interior welding, includes anodal shell (1), its characterized in that: the inboard of anodal shell (1) is pegged graft and is had negative pole shell (2), foaming conductive silica gel (3) are all installed at the bottom of anodal shell (1) inner chamber and the top of negative pole shell (2) inner chamber, electric core (4) are installed at the top of foaming conductive silica gel (3) of anodal shell (1) inner chamber, be provided with between the outer wall of negative pole shell (2) and the inner wall of anodal shell (1) sealing washer (5), the welding has negative pole ear strip (12) on the inner wall at negative pole shell (2) top, the welding has anodal ear strip (13) on the inner wall of anodal shell (1) bottom, the left side in electric core (4) is welded to the one end of negative pole ear strip (12), the right side in electric core (4) is welded to the one end of anodal ear strip (13).
2. The button cell without the need of internal welding of tabs according to claim 1, characterized in that: the top of the negative electrode shell (2) is welded with a first outer welding steel sheet (6), and the bottom of the positive electrode shell (1) is welded with a second outer welding steel sheet (8).
3. The button cell without the need of internal welding of the tab as claimed in claim 2, wherein: an outer welding spot I (7) is arranged between the outer wall of the top of the outer welding steel sheet I (6) and the outer wall of the top of the cathode shell (2), and an outer welding spot II (9) is arranged between the outer welding steel sheet II (8) and the outer wall of the bottom of the anode shell (1).
4. The button cell without the need of inner welding tab as claimed in claim 3, characterized in that: be provided with between the outer wall of outer welded steel sheet two (8) and positive pole shell (1) bottom and overlap solder joint (10), be provided with between the outer wall at outer welded steel sheet one (6) and negative pole shell (2) top and overlap solder joint two (11), the one end welding of negative pole ear strip (12) is on overlapping solder joint two (11), the one end welding of positive pole ear strip (13) is on overlapping solder joint one (10).
5. The button cell without the need of inner welding tab as claimed in claim 4, characterized in that: the positive electrode shell (1) and the negative electrode shell (2) are sleeved with hoops (15) at two ends of the outer side, cushion blocks (16) are arranged among the positive electrode shell (1), the negative electrode shell (2) and the hoops (15), and the cushion blocks (16) are welded on the inner sides of the hoops (15).
6. The button cell without an inner welding lug according to claim 5, characterized in that: one side of the cushion block (16) is attached to the corner of the negative electrode shell (2) and the positive electrode shell (1).
7. The button cell without the need of internal welding of the tab according to claim 6, wherein: and both sides of the battery cell (4) are fixedly connected with insulating sheaths (14) wrapping the outer sides of the negative electrode lug strips (12) and the positive electrode lug strips (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123133039.5U CN217522191U (en) | 2021-12-14 | 2021-12-14 | Button cell without need of internal welding tab |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123133039.5U CN217522191U (en) | 2021-12-14 | 2021-12-14 | Button cell without need of internal welding tab |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217522191U true CN217522191U (en) | 2022-09-30 |
Family
ID=83368421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123133039.5U Active CN217522191U (en) | 2021-12-14 | 2021-12-14 | Button cell without need of internal welding tab |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217522191U (en) |
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2021
- 2021-12-14 CN CN202123133039.5U patent/CN217522191U/en active Active
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