CN211480091U - Laser welding edge-covering safety combined cap - Google Patents
Laser welding edge-covering safety combined cap Download PDFInfo
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- CN211480091U CN211480091U CN202020190973.7U CN202020190973U CN211480091U CN 211480091 U CN211480091 U CN 211480091U CN 202020190973 U CN202020190973 U CN 202020190973U CN 211480091 U CN211480091 U CN 211480091U
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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 laser welding safe combination block of borduring, including explosion-proof block, the outer wall at explosion-proof block top bonds and has sealed the pad, sealed pad is equipped with the protection casing with explosion-proof block's outer wall card, one side of explosion-proof block top outer wall bonds and has first flexure strip, one side that explosion-proof block kept away from first flexure strip top bonds and has the second flexure strip, explosion-proof block's top is provided with middle shell, and the both sides welding of middle shell top outer wall has the welding point, explosion-proof block passes through the outer wall of welding point connection at middle shell. The utility model discloses a protection casing and the sealed pad that sets up, the protection casing reduces scraping of the edge of explosion-proof block and bumps, and explosion-proof block carries out explosion-proof protection to the battery, and the protection casing card is established in the sealed pad top at explosion-proof block top, can strengthen the leakproofness of protection casing and explosion-proof block, and when the battery takes place to warp, first flexure strip and the second flexure strip in the explosion-proof block can upwards be pressed and move, increase and the space between the battery, prevent that the battery from bursting.
Description
Technical Field
The utility model relates to a battery accessories technical field especially relates to laser welding safe combined cover cap of borduring.
Background
With the development of the microelectronic technology in the twentieth century, the miniaturization devices are increasing day by day, and high requirements are put forward on power supplies, and lithium batteries are widely applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, and are batteries using lithium metal or lithium alloy as a negative electrode material and using non-aqueous electrolyte solution, and can be roughly divided into two types: the safety combined cap is the most important safety guarantee component of the cylindrical lithium battery.
Present laser welding safe combination block of borduring is when carrying out safety guarantee to the lithium cell, the leakproofness of safe combination block needs the reinforcing, there safe combination block possesses explosion-proof function, but the condition of scraping and bumping appears easily in the edge of explosion-proof block, when the battery takes place to warp, there is not the space between safe combination block and the battery, the battery that causes the drum-out bursts, barrier propterty is poor, after long-term the use, the too high difficult effluvium of heat of battery, consequently, need to design laser welding safe combination block of borduring to solve above-mentioned problem urgently.
Disclosure of Invention
The utility model aims at solving the leakproofness that the safety combination block that exists among the prior art needs the reinforcing, there is safety combination block that possesses explosion-proof function, but the condition that bumps appears scraping easily in the edge of explosion-proof block, when the battery takes place to warp, there is not the space between safety combination block and the battery, the battery that causes the swelling bursts, barrier propterty is poor, after long-term the use, the too high shortcoming of being difficult for effluvium of heat of battery, and the laser welding of proposition safe combination block of borduring.
In order to achieve the above purpose, the utility model adopts the following technical scheme: laser welding safe combined cover cap of borduring, including explosion-proof cover cap, the outer wall at explosion-proof cover cap top bonds and has sealed the pad, sealed pad is equipped with the protection casing with explosion-proof cover cap's outer wall card, one side of explosion-proof cover cap top outer wall bonds and has first flexure strip, one side that explosion-proof cover cap kept away from first flexure strip top bonds and has the second flexure strip.
The key concept of the technical scheme is as follows: the protection casing reduces scraping of the edge of explosion-proof block and bumps, and explosion-proof block carries out explosion-proof protection to the battery, and the protection casing card is established in the sealed top of filling up at explosion-proof block top, can strengthen the leakproofness of protection casing and explosion-proof block.
Furthermore, the top of the explosion-proof cap is provided with a middle shell, welding points are welded on two sides of the outer wall of the top of the middle shell, and the explosion-proof cap is connected to the outer wall of the middle shell through the welding points.
Furthermore, the two corresponding sides in the middle shell are provided with upper circulation holes, and the two corresponding sides in the explosion-proof cover cap are provided with lower circulation holes.
Furthermore, the outer wall of the top of the middle shell is provided with a limiting groove, and the inside of the limiting groove is in threaded connection with a top shell.
Furthermore, the tops of the first elastic piece and the second elastic piece are arranged below the middle shell, and a groove is formed in the middle of the top shell.
Furthermore, the bottom of the top shell is bonded with an insulating pad, and the top of the top shell is annularly and equidistantly provided with a plurality of ventilation openings.
The utility model has the advantages that:
1. through the protection casing and the sealed pad that set up, the protection casing reduces scraping of the edge of explosion-proof block and bumps, and explosion-proof block carries out explosion-proof protection to the battery, and the protection casing card is established in the sealed pad top at explosion-proof block top, can strengthen the leakproofness of protection casing and explosion-proof block.
2. Through the explosion-proof cap and the first elastic sheet that set up, when the battery takes place to warp, first elastic sheet and the second elastic sheet in the explosion-proof cap can upwards be pressed, increase and the battery between the space, prevent that the battery from bursting, the protection nature is better.
3. Through the downstream through hole and the vent, after long-term use, the heat of the battery is too high, and the heat is discharged from the vent through the downstream through hole and the upstream through hole, so that heat accumulation is reduced, and heat dissipation is facilitated.
Drawings
Fig. 1 is a schematic structural view of a laser welding edge-covering safety combined cap provided by the utility model;
fig. 2 is a schematic view of a cross-sectional structure of a laser welding edge safety combination cap provided by the present invention;
fig. 3 is the utility model provides a laser welding safe combination block's middle shell and protection casing structure sketch map of borduring.
In the figure: the explosion-proof air-conditioning device comprises a middle shell 1, a protective cover 2, a top shell 3, a vent 4, an upper circulation hole 5, an explosion-proof cover cap 6, a first elastic sheet 7, a welding point 8, a limiting groove 9, a sealing gasket 10, a downstream through hole 11, an insulating gasket 12, a second elastic sheet 13 and a groove 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Please refer to fig. 1 to 3 simultaneously, the laser welding edge-covering safety combined cap includes an explosion-proof cap 6, the explosion-proof cap 6 performs explosion-proof protection on a battery, a sealing gasket 10 is bonded on an outer wall of the top of the explosion-proof cap 6, a protection cover 2 is clamped above the sealing gasket 10 on the top of the explosion-proof cap 6, the sealing performance of the protection cover 2 and the explosion-proof cap 6 can be enhanced, the sealing gasket 10 and the outer wall of the explosion-proof cap 6 are clamped with the protection cover 2, the protection cover 2 reduces scraping of the edge of the explosion-proof cap 6, a first elastic sheet 7 is bonded on one side of the outer wall of the top of the explosion-proof cap 6, a second elastic sheet 13 is bonded on one side of the explosion-proof cap 6, which is far away from the top of the first elastic sheet 7, the first elastic sheet 7 and the second elastic sheet 13 in the explosion-proof cap 6 can be pressed upwards.
As can be seen from the above description, the present invention has the following advantages: through the protection casing 2 and the sealed pad 10 that seal that set up, the protection casing 2 reduces scraping of the edge of explosion-proof block 6 and bumps, and explosion-proof block 6 carries out explosion-proof protection to the battery, and 2 cards of protection casing are established in the sealed pad 10 top at explosion-proof block 6 top, can strengthen the leakproofness of protection casing 2 and explosion-proof block 6.
Further, shell 1 in the middle of the top of explosion-proof block 6 is provided with, and the both sides welding of 1 top outer wall of middle shell has welding point 8, and explosion-proof block 6 passes through welding point 8 to be connected at the outer wall of middle shell 1, and explosion-proof block 6 passes through welding point 8 and welds to middle shell 1.
Furthermore, circulation hole 5 has all been seted up to the inside corresponding both sides of middle shell 1, and down flow through hole 11 has all been seted up to the inside corresponding both sides of explosion-proof cap 6, and when the heat of battery was too high, through down flow through hole 11 with last circulation hole 5 from vent 4 with heat discharge.
Furthermore, the outer wall at the top of the middle shell 1 is provided with a limit groove 9, the inner thread of the limit groove 9 is connected with a top shell 3, and the top shell 3 rotates at the top of the middle shell 1 and can be detached.
Furthermore, the tops of the first elastic sheet 7 and the second elastic sheet 13 are arranged below the middle shell 1, the middle position of the top shell 3 is provided with a groove 14, and the first elastic sheet 7 and the second elastic sheet 13 in the anti-explosion cover cap 6 can be pressed upwards to increase the gap between the anti-explosion cover cap and the battery.
Furthermore, the bottom of the top shell 3 is bonded with an insulating pad 12, the insulating pad 12 at the bottom of the top shell 3 reduces current interference outside the battery when the safety combination cap is connected with the battery, the top of the top shell 3 is provided with a plurality of ventilation openings 4 in an annular shape at equal intervals, and when the heat of the battery is too high, the heat is discharged from the ventilation openings 4 through the lower flow through hole 11 and the upper flow through hole 5.
Through the explosion-proof cap 6 and the first elastic sheet 7 that set up, when the battery takes place to warp, first elastic sheet 7 and the second elastic sheet 13 in the explosion-proof cap 6 can upwards be pressed, increase and the battery between the space, prevent that the battery from bursting, the protectiveness is better.
In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:
example 1
Laser welding safe combination block of borduring, including explosion-proof block 6, explosion-proof block 6 carries out explosion-proof protection to the battery, the outer wall at explosion-proof block 6 top bonds and has sealed pad 10, 2 calories of protection casing are established in the sealed pad 10 top at explosion-proof block 6 top, can strengthen protection casing 2 and explosion-proof block 6's leakproofness, sealed pad 10 is equipped with protection casing 2 with explosion-proof block 6's outer wall card, 2 reduce scraping of explosion-proof block 6's edge of protection casing, one side of explosion-proof block 6 top outer wall bonds and has first flexure strip 7, one side that explosion-proof block 6 kept away from first flexure strip 7 top bonds and has second flexure strip 13, first flexure strip 7 in the explosion-proof block 6 can upwards be pressed with second flexure strip 13, increase and the space between the battery, prevent that the battery from bursting, the protection nature is better.
The top of the anti-explosion cap 6 is provided with a middle shell 1, welding points 8 are welded on two sides of the outer wall of the top of the middle shell 1, the anti-explosion cap 6 is connected to the outer wall of the middle shell 1 through the welding points 8, and the anti-explosion cap 6 is welded to the middle shell 1 through the welding points 8; the two corresponding sides in the middle shell 1 are both provided with upper circulation holes 5, the two corresponding sides in the explosion-proof cap 6 are both provided with lower circulation holes 11, and when the heat of the battery is overhigh, the heat is discharged from the ventilation opening 4 through the lower circulation holes 11 and the upper circulation holes 5; the outer wall of the top of the middle shell 1 is provided with a limiting groove 9, the inner part of the limiting groove 9 is in threaded connection with the top shell 3, and the top shell 3 rotates at the top of the middle shell 1 and can be detached; the tops of the first elastic sheet 7 and the second elastic sheet 13 are arranged below the middle shell 1, the middle position of the top shell 3 is provided with a groove 14, and the first elastic sheet 7 and the second elastic sheet 13 in the explosion-proof cap 6 can be pressed upwards to increase the gap between the explosion-proof cap and the battery; the bottom of top shell 3 bonds there is insulating pad 12, and insulating pad 12 in top shell 3 bottom reduces the outside electric current interference of battery when the safety combination block is connected with the battery, and the top of top shell 3 is the annular equidistance and has seted up a plurality of vent 4, when the heat of battery was too high, followed vent 4 through lower through-hole 11 and last circulation hole 5 and discharged the heat.
The working principle is as follows: during the use, top shell 3 rotates at the top of middle shell 1, can dismantle, insulating pad 12 in top shell 3 bottom reduces the outside electric current interference of battery when safe combination block is connected with the battery, explosion-proof block 6 passes through welding point 8 and welds on middle shell 1, the edge of explosion-proof block 6 is strikeed in the reduction of protection casing 2, explosion-proof block 6 carries out explosion-proof protection to the battery, protection casing 2 card is established in the sealed 10 top at explosion-proof block 6 top, can strengthen the leakproofness of protection casing 2 and explosion-proof block 6, when the heat of battery is too high, discharge heat from vent 4 through lower flow through-hole 11 and last circulation hole 5, when the battery takes place to warp, first flexure strip 7 and the second flexure strip 13 in explosion-proof block 6 can upwards press, increase and the space between the battery, prevent that the battery from bursting, protective properties is better.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. Laser welding bordures safe combination block, including explosion-proof block (6), its characterized in that, the outer wall at explosion-proof block (6) top bonds and has sealed pad (10), the outer wall card that sealed pad (10) and explosion-proof block (6) are equipped with protection casing (2), one side of explosion-proof block (6) top outer wall bonds and has first flexure strip (7), one side that first flexure strip (7) top was kept away from in explosion-proof block (6) bonds and has second flexure strip (13).
2. A laser welding and edge covering safety combined cover cap as claimed in claim 1, characterized in that the top of the explosion-proof cover cap (6) is provided with an intermediate shell (1), welding points (8) are welded on two sides of the top outer wall of the intermediate shell (1), and the explosion-proof cover cap (6) is connected to the outer wall of the intermediate shell (1) through the welding points (8).
3. The laser welding and edge covering safety combined cap as claimed in claim 2, wherein upper through holes (5) are formed in two corresponding sides of the inner part of the middle shell (1), and lower through holes (11) are formed in two corresponding sides of the inner part of the explosion-proof cap (6).
4. The laser welding edge-covering safety combined cap as claimed in claim 2, wherein a limiting groove (9) is formed in the outer wall of the top of the middle shell (1), and a top shell (3) is connected to the limiting groove (9) in a threaded mode.
5. The laser welding and edge covering safety combined cap as claimed in claim 4, wherein the tops of the first elastic piece (7) and the second elastic piece (13) are arranged below the middle shell (1), and a groove (14) is formed in the middle of the top shell (3).
6. A laser welding edge-covering safety combined cap as claimed in claim 4, characterized in that an insulating pad (12) is bonded to the bottom of the top shell (3), and a plurality of ventilation openings (4) are formed in the top of the top shell (3) in a ring shape at equal intervals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020190973.7U CN211480091U (en) | 2020-02-21 | 2020-02-21 | Laser welding edge-covering safety combined cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020190973.7U CN211480091U (en) | 2020-02-21 | 2020-02-21 | Laser welding edge-covering safety combined cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211480091U true CN211480091U (en) | 2020-09-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020190973.7U Active CN211480091U (en) | 2020-02-21 | 2020-02-21 | Laser welding edge-covering safety combined cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211480091U (en) |
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2020
- 2020-02-21 CN CN202020190973.7U patent/CN211480091U/en active Active
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