CN216698569U - Battery package is around and screw hole waterproof sealing structure - Google Patents
Battery package is around and screw hole waterproof sealing structure Download PDFInfo
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- CN216698569U CN216698569U CN202122896615.5U CN202122896615U CN216698569U CN 216698569 U CN216698569 U CN 216698569U CN 202122896615 U CN202122896615 U CN 202122896615U CN 216698569 U CN216698569 U CN 216698569U
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- epitheca
- battery pack
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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 relates to a waterproof sealing structure for the periphery and screw holes of a battery pack, which is characterized in that: including epitheca, lower cover and be located the internal battery package of epitheca, lower cover, the epitheca is equipped with a plurality of locking screw with the week side of lower cover, is equipped with the battery package sealing washer of avoiding locking screw in epitheca and lower cover joint department, the upper surface middle part of epitheca is equipped with at least one middle screw pore that is used for locking the screw, the bottom in middle screw pore is equipped with first sealing washer, and the lock is equipped with the middle screw in middle screw pore, the cover is equipped with annular screw sealing washer of circle on the middle screw, the lower surface of screw sealing washer is sealed with the protruding ring cooperation of first sealing washer upper cross-section semicircular. According to the working principle of the waterproof sealing structure for the periphery and the screw holes of the battery pack, the battery pack sealing ring avoiding the locking screws is arranged at the joint of the upper shell and the lower cover, so that the joint of the upper shell and the lower cover is waterproof; the bottom of the middle screw hole channel is provided with the first sealing ring, the middle screw is sleeved with the annular screw sealing ring, and the lower surface of the screw sealing ring is matched and sealed with the convex ring with the semicircular upper section of the first sealing ring, so that the sealing and the water proofing of the position of the locking screw are realized.
Description
The technical field is as follows:
the utility model relates to a waterproof sealing structure for the periphery and screw holes of a battery pack.
Background art:
the lithium ion battery has the advantages of high energy density, small self-discharge, no memory effect, long cycle service life and the like; the lithium ion battery cell improves the voltage and the capacity of the whole battery through series and parallel connection, and can be suitable for various electric tools, wherein the waterproof and dustproof design of the battery pack is always the difficult point and the key point of the design of the battery pack.
At present battery package waterproof construction generally can adopt the sealing washer, and the sealing washer assembles and reaches a sealed effect through interference fit extrusion sealing washer between battery case and battery module, and battery case's fixed generally can adopt the fix with screw, and waterproof sealing is comparatively difficult to accomplish in the position of lock screw, adopts to beat glue to realize sealed maintenance of doing over again who is unfavorable for the battery package.
In addition, a common waterproof sealing method is to fill sealant into the battery module, which is relatively high in cost and not beneficial to product control cost.
The utility model content is as follows:
the utility model aims to provide a waterproof sealing structure for the periphery of a battery pack and screw holes, which is reasonable in design and is beneficial to improving the waterproof effect of a battery under the condition of controlling the cost.
The utility model relates to a waterproof sealing structure for the periphery and screw holes of a battery pack, which is characterized in that: including epitheca, lower cover and be located the internal battery package of epitheca, lower cover, the epitheca is equipped with a plurality of locking screw with the week side of lower cover, is equipped with the battery package sealing washer of avoiding locking screw in epitheca and lower cover joint department, the upper surface middle part of epitheca is equipped with at least one middle screw pore that is used for locking the screw, the bottom in middle screw pore is equipped with first sealing washer, and the lock is equipped with the middle screw in middle screw pore, the cover is equipped with annular screw sealing washer of circle on the middle screw, the lower surface of screw sealing washer is sealed with the protruding ring cooperation of first sealing washer upper cross-section semicircular.
Furthermore, the battery pack sealing ring is rectangular, and an inner concave part is arranged at a position corresponding to the locking screw so as to avoid the locking screw.
Furthermore, the opening of the middle screw hole channel is provided with a round sunk groove hole expanding hole, and a round sealing gasket is arranged in the round sunk groove hole expanding hole in a plugging mode.
Further, the bottom surface of the first sealing ring is coated with glue, and the first sealing ring coated with the glue is fixedly bonded with the bottom of the middle screw hole channel.
Furthermore, the edge of the opening of the lower cover is provided with an annular groove for limiting the battery pack sealing ring, and the edge of the opening of the upper shell is provided with a rib for pressing the battery pack sealing ring.
According to the working principle of the waterproof sealing structure for the periphery and the screw holes of the battery pack, the battery pack sealing ring avoiding the locking screws is arranged at the joint of the upper shell and the lower cover, so that the joint of the upper shell and the lower cover is waterproof; the bottom of the middle screw hole channel is provided with the first sealing ring, the middle screw is sleeved with the annular screw sealing ring, and the lower surface of the screw sealing ring is matched and sealed with the convex ring with the semicircular upper section of the first sealing ring, so that the sealing and the water proofing of the position of the locking screw are realized.
Description of the drawings:
FIG. 1 is a schematic perspective exploded view of the present invention;
FIG. 2 is a schematic cross-sectional configuration of the present invention;
FIG. 3 is an enlarged schematic view of section B of FIG. 2;
fig. 4 is a perspective view of the middle screw-receiving screw seal ring.
The specific implementation mode is as follows:
in order to make the aforementioned and other features and advantages of the utility model more comprehensible, embodiments accompanied with figures are described in detail below.
The periphery and screw hole waterproof sealing structure of the battery pack comprises an upper shell 1, a lower cover 2 and a battery pack 13 positioned in the upper shell and the lower cover, wherein a plurality of locking screws 3 are arranged on the periphery of the upper shell 1 and the periphery of the lower cover 2, a battery pack sealing ring 4 avoiding the locking screws is arranged at a joint seam of the upper shell and the lower cover, an annular groove 201 for limiting the battery pack sealing ring 4 is arranged at the edge of an opening part of the lower cover, and a rib 101 for pressing the battery pack sealing ring is arranged at the edge of the opening part of the upper shell; through setting up annular groove 201, be convenient for battery package sealing washer 4 to install on the lower cover, be convenient for battery package sealing washer 4's fastening through rib 101.
In order to realize the passing of the middle position of the battery, the middle part of the upper surface of the upper shell is provided with at least one middle screw hole channel 5 for locking a screw, the bottom of the middle screw hole channel is provided with a first sealing ring 6, the first sealing ring 6 is ring-shaped, a middle screw 7 is locked in a middle screw hole channel, the first sealing ring 6 is supported on the periphery of the upper end of the screw hole of the upper shell for installing the middle screw 7, a ring-shaped screw sealing ring 8 is sleeved on the middle screw, the screw sealing ring 8 can be sleeved on the middle screw in advance, the lower surface of the screw sealing ring is matched and sealed with a convex ring 9 with a semicircular section on the first sealing ring, the convex ring 9 with the semicircular section is arranged on the upper surface of the first sealing ring 6, by arranging the convex ring 9 with the semicircular section, therefore, the contact area between the lower surface of the screw sealing ring and the first sealing ring can be increased, and the sealing and waterproof effects at the position are improved.
The upper case 1 and the lower cover 2 are rectangular cases, and the battery pack sealing ring is rectangular, and an inner concave portion 10 is provided at a position corresponding to the locking screw to avoid the locking screw.
One of them embodiment, the oral area in above-mentioned middle screw pore has circular heavy groove reaming 11, circular heavy groove reaming internal plug is equipped with circular sealed pad 12, and this circular sealed pad 12 prizes down with tweezers etc. and can follow circular heavy groove reaming 11 and take out, fills in through the oral area in middle screw pore has circular heavy groove reaming 11 and in circular heavy groove reaming establishes circular sealed pad 12 to can further improve the waterproof seal effect of middle screw department, when needs are maintained, pull down circular sealed pad 12 earlier, then unscrew middle screw 7 and locking screw all around, can realize the unsealing of epitheca 1 and lower cover 2.
In one embodiment, the bottom surface of the first sealing ring is coated with glue, the first sealing ring coated with the glue is fixedly bonded with the bottom of the middle screw hole channel, namely, the bottom surface of the first sealing ring is bonded with the bottom of the middle screw hole channel through the glue, so that the sealing and waterproof effects can be further improved.
According to the working principle of the waterproof sealing structure for the periphery and the screw holes of the battery pack, the battery pack sealing ring avoiding the locking screws is arranged at the joint of the upper shell and the lower cover, so that the joint of the upper shell and the lower cover is waterproof; through be equipped with first sealing washer in the bottom in middle screw pore, the cover is equipped with annular screw sealing washer on the middle screw to screw sealing washer's lower surface and the protruding ring cooperation that first sealing washer upper cross-section is semicircular are sealed, thereby realize locking the waterproof seal of screw position, foretell structure can make waterproof grade reach IP 67.
Claims (5)
1. The utility model provides a battery package reaches screw hole waterproof sealing structure all around which characterized in that: including epitheca, lower cover and be located the internal battery package of epitheca, lower cover, the epitheca is equipped with a plurality of locking screw with the week side of lower cover, is equipped with the battery package sealing washer of avoiding locking screw in epitheca and lower cover joint department, the upper surface middle part of epitheca is equipped with at least one middle screw pore that is used for locking the screw, the bottom in middle screw pore is equipped with first sealing washer, and the lock is equipped with the middle screw in middle screw pore, the cover is equipped with annular screw sealing washer of circle on the middle screw, the lower surface of screw sealing washer is sealed with the protruding ring cooperation of first sealing washer upper cross-section semicircular.
2. The battery pack periphery and screw hole waterproof sealing structure of claim 1, characterized in that: the battery pack sealing ring is rectangular, and an inner concave part is arranged at a position corresponding to the locking screw so as to avoid the locking screw.
3. The battery pack periphery and screw hole waterproof sealing structure according to claim 1 or 2, characterized in that: the mouth of the middle screw hole channel is provided with a round sunk groove hole expanding hole, and a round sealing gasket is arranged in the round sunk groove hole expanding hole in a plugging mode.
4. The battery pack periphery and screw hole waterproof sealing structure of claim 3, characterized in that: the bottom surface of the first sealing ring is coated with glue, and the first sealing ring coated with the glue is fixedly bonded with the bottom of the middle screw hole channel.
5. The battery pack periphery and screw hole waterproof sealing structure of claim 1, characterized in that: the mouth edge of lower cover has the annular groove of spacing battery package sealing washer, the mouth edge of epitheca has the rib of pressing the battery package sealing washer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122896615.5U CN216698569U (en) | 2021-11-24 | 2021-11-24 | Battery package is around and screw hole waterproof sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122896615.5U CN216698569U (en) | 2021-11-24 | 2021-11-24 | Battery package is around and screw hole waterproof sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216698569U true CN216698569U (en) | 2022-06-07 |
Family
ID=81835170
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122896615.5U Active CN216698569U (en) | 2021-11-24 | 2021-11-24 | Battery package is around and screw hole waterproof sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216698569U (en) |
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2021
- 2021-11-24 CN CN202122896615.5U patent/CN216698569U/en active Active
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