CN218498201U - Battery case and large capacity battery - Google Patents
Battery case and large capacity battery Download PDFInfo
- Publication number
- CN218498201U CN218498201U CN202221321807.1U CN202221321807U CN218498201U CN 218498201 U CN218498201 U CN 218498201U CN 202221321807 U CN202221321807 U CN 202221321807U CN 218498201 U CN218498201 U CN 218498201U
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- battery
- locking
- box body
- cover plate
- battery box
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- 238000009434 installation Methods 0.000 claims abstract description 36
- 238000003780 insertion Methods 0.000 claims abstract description 23
- 230000037431 insertion Effects 0.000 claims abstract description 22
- 238000007789 sealing Methods 0.000 claims description 26
- 238000005192 partition Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 abstract description 8
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000003466 welding Methods 0.000 description 8
- 229910052744 lithium Inorganic materials 0.000 description 5
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 4
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 3
- 229910001416 lithium ion Inorganic materials 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000011888 foil Substances 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 150000002641 lithium Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Images
Classifications
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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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- Battery Mounting, Suspending (AREA)
Abstract
The utility model provides a battery case and large capacity battery mainly solves the problem that current battery apron and battery box installation are complicated, the installation effectiveness is low, the installation cost is high and can't change battery electricity core. The battery shell comprises a battery cover plate, a battery box body and a locking assembly; a plurality of inserting grooves are formed in the side surface of the battery cover plate along the circumferential direction; when the locking assembly is in the first state, the locking assembly is kept in the side wall of the battery box body and used for achieving the unlocking state of the battery cover plate and the battery box body, and when the locking assembly is in the second state, the locking assembly is inserted into the insertion groove of the battery cover plate and used for achieving the locking state of the battery cover plate and the battery box body. The battery cover plate and the battery box body are reliably connected through the locking assembly, so that the safety of the battery is improved, and the service life of the battery is prolonged.
Description
Technical Field
The utility model belongs to the battery field, concretely relates to battery case and large capacity battery.
Background
The application field of the lithium ion battery is very wide, and in recent years, with the further development of the lithium ion battery, a plurality of lithium ion batteries are assembled in series into a high-capacity lithium battery, so that the high-capacity lithium battery is applied to the fields of energy storage, power batteries and the like. After the battery is assembled into a high-capacity lithium battery, the high-capacity lithium battery is packaged in a cavity formed by the cover plate and the box body, so that the battery is safe and reliable to use. However, how to realize reliable packaging of large-capacity batteries is a critical part. At present, a battery cover plate and a box body are connected through welding or through insulating glue and sealant.
Chinese patent application CN114171829a discloses a battery and a battery device, wherein the battery comprises a lower casing and an upper casing, the lower casing and the upper casing are sealed by welding, the sealing weld line is composed of at least two welding tracks arranged on the peripheral side of the battery casing, and the welding track on each peripheral side is a continuous straight line. The lower shell and the upper shell are connected and sealed through welding in the battery structure, however, the welding mode has the problems of complex process, low installation efficiency and the like, and meanwhile, the battery cell inside the shell cannot be replaced after the welding connection.
Chinese patent application CN216413134U discloses a packaging structure of a lithium battery, which includes a casing, a cover plate, two heat conducting end plates and a battery cell. The shell is provided with an opening groove penetrating through the shell. The cover plate can be welded or glued on the shell to block the open slot. The cover plate is provided with a positive pole column and a negative pole column, the positive pole column is connected with a positive aluminum foil of the battery cell through a positive current collecting sheet, and the negative pole column is connected with a negative copper foil through a negative current collecting sheet. The battery cell is formed by stacking a plurality of thin full-lug rectangular winding cores. The two heat conduction end plates are respectively connected to openings at two ends of the open slot in a sealing mode so as to plug the openings. However, apron and casing in this structure are through welding or the connection of gluing, and when connecting through sticky mode, the technological requirement of gluing is higher, and the yield is low for installation cost is higher, and simultaneously, the curing time of gluing is longer, and the installation effectiveness is lower, in addition, also can't change the inside battery electricity core of casing after connecting through gluing.
Disclosure of Invention
The problem of the installation complicated, the installation effectiveness is low, the installation cost is high and can't change the inside battery electricity core of casing for solving current battery apron and battery box, the utility model provides a battery case and large capacity battery.
A battery shell comprises a battery cover plate, a battery box body and a locking assembly; the battery cover plate is arranged at the opening of the battery box body and forms a closed cavity with the battery box body; a plurality of inserting grooves are formed in the side surface of the battery cover plate along the circumferential direction; the locking assembly is arranged on the side wall of the battery box body along the circumferential direction and has a first state and a second state, when the locking assembly is in the first state, the locking assembly is kept in the side wall of the battery box body and used for achieving the unlocking state of the battery cover plate and the battery box body, and when the locking assembly is in the second state, the locking assembly is inserted into the insertion groove of the battery cover plate and used for achieving the locking state of the battery cover plate and the battery box body.
Further, the locking assembly comprises a locking block, a spring and a locking rod; the locking block is arranged in the mounting hole in the side wall of the battery box body, and the side surface of the locking block is provided with a locking groove; the spring is arranged in the mounting hole in the side wall of the battery box body and used for ejecting the locking block out of the mounting hole and inserting the locking block into the insertion groove; the locking rod is arranged in a locking rod hole in the side wall of the battery box body and comprises a first cylinder and a second cylinder which are connected; when the locking groove embedding cooperation of first cylinder and locking piece, realize the first state of locking subassembly, the second cylinder sets up and when the mounting hole was popped out to the locking groove of locking piece in a staggered way, realizes the second state of locking subassembly with the locking groove of locking piece.
Furthermore, the locking assembly also comprises a guide rod arranged in a guide hole in the side wall of the battery box body, a guide surface is arranged on the side surface of the locking block, and the guide rod is matched with the guide surface to enable the locking block to move along a set direction; or, the side of the locking piece is provided with a guide groove or a guide block, and the side wall of the mounting hole is provided with a guide block or a guide groove matched with the guide groove or the guide block, so that the locking piece moves along the set direction.
Furthermore, the first cylinder and the second cylinder of the locking rod are both cylinders, and the diameter of the second cylinder is smaller than that of the first cylinder.
Furthermore, the insertion groove is an arched hole or a semicircular hole, and the locking block is an arched cylinder or a semicircular cylinder matched with the arched hole or the semicircular hole in shape.
Furthermore, the mounting hole is a blind hole and is used for sealing the battery box body.
Furthermore, a positioning column is further arranged on the battery cover plate, a partition plate is arranged in the battery box body, a positioning hole is formed in the partition plate, and the positioning column is matched with the positioning hole and used for positioning and installing the battery cover plate and the battery box body.
Further, be provided with the installation boss on the battery box inner wall, battery cover plate and the installation boss seal installation of battery box, and be provided with sealed pad or sealing strip on the seal installation face.
Furthermore, the battery cover plate is a polar plate, an insulating layer insulated from the battery box body is further arranged on the polar plate, and the insertion groove is formed in the insulating layer.
Meanwhile, the utility model also provides a large-capacity battery, which comprises a plurality of battery cells and the battery shell; a plurality of battery cells are disposed within the battery housing.
Compared with the prior art, the utility model discloses technical scheme has following advantage:
the utility model discloses with battery apron, the battery box reliably connects through the locking subassembly, during the installation, only need set up the inserting groove on the battery apron, set up the locking subassembly on the battery box, with locking subassembly and inserting groove cooperation installation, can realize the reliable connection of battery apron and battery box, this kind of mounting means installation is simple, and the installation effectiveness is higher, and the cost is lower, and can change the inside battery electricity core of casing, and simultaneously, this kind of mounting means connects reliably, has improved the security and the life of battery.
Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention.
Drawings
Fig. 1 is a schematic structural view of a battery case according to embodiment 1 of the present invention;
fig. 2 is a partially enlarged view of a battery case according to embodiment 1 of the present invention;
fig. 3 is a schematic structural diagram of the locking assembly in an unlocked state according to embodiment 1 of the present invention;
fig. 4 is a schematic structural diagram of the locking assembly in the locked state according to embodiment 1 of the present invention.
Reference numerals: 1-battery box body, 2-battery cover plate, 3-locking component, 11-mounting hole, 12-lock rod hole, 13-partition plate, 14-positioning hole, 15-mounting boss, 16-guide hole, 21-insertion groove, 22-positioning column, 31-locking block, 32-spring, 33-locking rod, 34-guide rod, 311-guide surface, 312-locking groove, 331-first column body and 332-second column body.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention.
The utility model provides a battery case, this battery case realize the reliable connection of battery apron and battery box through the locking subassembly, and this structure is the structure of a simple, convenient installation, and when the battery apron was connected with the battery box, only need to lap the lock with the battery on the battery box, can realize the reliable connection of the two in the lock, and this mode has improved battery case's installation and the efficiency of dismouting, has saved installation time, has improved the installation effectiveness. Meanwhile, the locking assembly is arranged in the side wall of the battery box body and is installed in a built-in mode, and the installation space is small. In addition, the locking assembly only needs to be provided with the locking block, the spring and the locking rod, and is simple in structure and convenient to install.
The utility model provides a battery shell which comprises a battery cover plate, a battery box body and a locking component; the battery cover plate is arranged at the opening of the battery box body and forms a closed cavity with the battery box body; the sealed cavity is used for installing and placing a plurality of battery cells and related accessories thereof, and the plurality of battery cells are connected in parallel or in series to form a large-capacity battery, so that the use requirements of different fields are met.
The reliable connection of the battery cover plate and the battery box body is the key for reliable operation of a large-capacity battery, and the utility model is provided with a plurality of inserting grooves along the circumferential direction on the side surface of the battery cover plate; the battery box body side wall is circumferentially provided with a plurality of locking assemblies, and the battery cover plate and the battery box body are reliably connected through the matching of the locking assemblies and the insertion grooves. The locking assembly can be in various structural forms, and can be matched with the insertion groove to realize reliable connection of the battery cover plate and the battery box body. In order to realize reliable connection, the locking assembly has a first state and a second state, when in the first state, the locking assembly is kept in the side wall of the battery box body to realize the unlocking state of the battery cover plate and the battery box body, and when in the second state, the locking assembly is inserted into the insertion groove of the battery cover plate to realize the locking state of the battery cover plate and the battery box body.
Example 1
As shown in fig. 1 to 4, the battery case provided by the present embodiment includes a battery cover 2, a battery case 1, and a locking assembly 3; the side of above-mentioned battery apron 2 is provided with a plurality of inserting grooves 21 along circumference, and simultaneously, battery apron 2 sets up at the opening part of battery box 1, forms closed cavity with battery box 1, and this closed cavity is used for installing and places a plurality of battery electricity core and relevant annex, and a plurality of battery electricity core are parallelly connected or the series connection setting, form the large capacity battery.
In the present embodiment, the structure of the locking assembly 3 is as follows: the locking assembly 3 comprises a locking block 31, a spring 32 and a locking rod 33; the locking block 31 is arranged in the mounting hole 11 on the side wall of the battery box body 1, and the side surface of the locking block is provided with a locking groove 312; the spring 32 is also arranged in the mounting hole 11 on the side wall of the battery box body 1 and is used for ejecting the locking block 31 out of the mounting hole 11, so that the locking block 31 is inserted into the insertion groove 21 and matched with the insertion groove 21; the locking rod 33 is disposed in a locking rod hole 12 on the sidewall of the battery case 1, and is used for realizing different states of the locking block 31, and specifically includes a first column 331 and a second column 332 which are connected; when the first cylinder 331 is fitted in the locking groove 312 of the lock block 31, the first state of the lock assembly 3 is realized, and when the second cylinder 332 is disposed in a staggered manner in the locking groove 312 of the lock block 31 and the lock block 31 is ejected out of the mounting hole 11, the second state of the lock assembly 3 is realized. Preferably, the first cylinder 331 and the second cylinder 332 of the locking lever 33 are both cylinders, and the diameter of the second cylinder 332 is smaller than that of the first cylinder 331. The locking bar 33 is provided as cylindrical sections of different diameters so that it fits more smoothly with the locking groove 312 without jamming and blocking when switching between the locked state and the unlocked state.
The initial state of the locking assembly 3 is a first state, at this time, the battery cover plate 2 and the battery case 1 are in a separated unlocking state, the first cylinder 331 with a larger diameter is embedded into the locking groove 312 of the locking block 31, so that the locking block 31 is completely located in the mounting hole 11 of the side wall of the battery case 1, and meanwhile, due to the embedded cooperation of the first cylinder 331 and the locking groove 312, the locking block 31 overcomes the acting force of the spring 32, so that the spring 32 is in a compression state. When the battery cover plate 2 is installed with the battery box body 1, the battery cover plate 2 is buckled from the direction perpendicular to the cavity of the battery box body 1, when one side end face of the battery cover plate 2 contacts the locking rod 33, the locking rod 33 moves in the locking rod hole 12 under the action of the battery cover plate 2, at the moment, the first cylinder 331 of the locking rod 33 is gradually dislocated and separated from the locking groove 312, the second cylinder 332 is gradually close to the locking groove 312, the position of the locking block 31 cannot be limited due to the fact that the size of the second cylinder 332 is smaller than that of the locking groove 312, at the moment, under the action force of the spring 32, the locking block 31 is popped out of the installation hole 11 and is partially embedded into the insertion groove 21 of the battery cover plate 2, and the battery box body 1 are enabled to be reliably connected in the circumferential direction.
This locking Assembly 3 does not have outer neglected part, when need not change battery electricity core, can hide locking Assembly 3 inside battery case, when needs change battery electricity core, at the pull rod of packing into along the 11 axial of mounting hole from the outer wall of battery box 1, the pull rod can with locking piece 31 threaded connection, pulls out locking piece 31 from inserting groove 21 through the pull rod, and at this moment, can take out battery apron 2 from the top of battery box 1, realizes battery case's dismantlement.
In this embodiment, the locking assembly 3 further includes a guiding rod 34 disposed in the guiding hole 16 on the sidewall of the battery box 1, and meanwhile, a guiding surface 311 is disposed on a side surface of the locking piece 31, and the guiding rod 34 is engaged with the guiding surface 311, so that the locking piece 31 moves along a set direction, and the locking piece 31 is prevented from being deviated when being ejected and cannot be engaged with the insertion slot 21.
In this embodiment, in order to ensure the reliable movement of the lock block 31, the insertion slot 21 may be provided with an arcuate hole, and the lock block 31 is an arcuate cylinder matched with the arcuate hole, so that the movement of the lock block 31 is smoother, and the fit between the lock block 31 and the insertion slot 21 is more reliable.
In the present embodiment, in order to achieve reliable sealing between the battery case 1 and the battery cover 2, the mounting hole 11 may be a blind hole. Meanwhile, an installation boss 15 can be arranged on the inner wall of the battery box body 1, the battery cover plate 2 is installed in a sealing mode with the installation boss 15 of the battery box body 1, and a sealing gasket or a sealing strip is arranged on the sealing installation surface.
Example 2
As shown in fig. 1 to 4, the battery case provided by the present embodiment includes a battery cover plate 2, a battery case 1, and a locking assembly 3; the battery cover plate 2 is arranged at the opening of the battery box body 1 and forms a closed cavity with the battery box body 1; the closed cavity is used for installing and placing a plurality of battery cells and related accessories thereof, and the plurality of battery cells are connected in parallel or in series to form a high-capacity battery.
In the present embodiment, the structure of the locking assembly 3 is as follows: the locking assembly 3 comprises a locking block 31, a spring 32 and a locking rod 33; the locking block 31 is arranged in the mounting hole 11 on the side wall of the battery box body 1, and the side surface of the locking block is provided with a locking groove 312; the spring 32 is also arranged in the mounting hole 11 on the side wall of the battery box body 1 and is used for ejecting the locking block 31 out of the mounting hole 11, so that the locking block 31 is inserted into the insertion groove 21 and matched with the insertion groove 21; the locking rod 33 is disposed in a locking rod hole 12 on the sidewall of the battery case 1, and is used for realizing different states of the locking block 31, and specifically includes a first column 331 and a second column 332 which are connected; when the first cylinder 331 is fitted in the locking groove 312 of the lock block 31, the first state of the lock assembly 3 is realized, and when the second cylinder 332 is disposed in a staggered manner in the locking groove 312 of the lock block 31 and the lock block 31 is ejected out of the mounting hole 11, the second state of the lock assembly 3 is realized. Preferably, the first cylinder 331 and the second cylinder 332 of the locking lever 33 are both cylinders, and the diameter of the second cylinder 332 is smaller than that of the first cylinder 331. The locking bar 33 is provided as cylindrical sections of different diameters so that it fits more smoothly with the locking groove 312 without jamming and blocking when switching between the locked state and the unlocked state.
The initial state of the above-mentioned locking assembly 3 is the first state, at this moment, the battery cover plate 2 and the battery box 1 are in the separated unlocking state, the first cylinder 331 with a large diameter is embedded into the locking groove 312 of the locking block 31, so that the locking block 31 is completely located in the mounting hole 11 of the side wall of the battery box 1, and meanwhile, due to the embedded cooperation of the first cylinder 331 and the locking groove 312, the locking block 31 overcomes the acting force of the spring 32, so that the spring 32 is in the compression state. When the battery cover plate 2 is installed with the battery box body 1, the battery cover plate 2 is buckled from the direction perpendicular to the cavity of the battery box body 1, when one side end face of the battery cover plate 2 contacts the locking rod 33, the locking rod 33 moves in the locking rod hole 12 under the action of the battery cover plate 2, at the moment, the first cylinder 331 of the locking rod 33 is gradually dislocated and separated from the locking groove 312, the second cylinder 332 is gradually close to the locking groove 312, the position of the locking block 31 cannot be limited due to the fact that the size of the second cylinder 332 is smaller than that of the locking groove 312, at the moment, under the action force of the spring 32, the locking block 31 is popped out of the installation hole 11 and is partially embedded into the insertion groove 21 of the battery cover plate 2, and the battery box body 1 are enabled to be reliably connected in the circumferential direction.
In this embodiment, for the reliable removal that makes locking piece 31, can set up inserting groove 21 into the semicircle orifice, locking piece 31 be with semicircle orifice assorted semicircle column, this kind of setting can make locking piece 31's removal more smooth and easy, locking piece 31 is more reliable with inserting groove 21's cooperation.
In this embodiment, in order to make the cooperation of locking piece 31 and inserting groove 21 more reliable, can be provided with guide way or guide block in the side of locking piece 31, meanwhile, can be provided with on the lateral wall of mounting hole 11 with guide way or guide block matched with guide block or guide way for locking piece 31 removes along setting for the direction, avoids locking piece 31 to take place the skew when popping out the installation, can't cooperate with inserting groove 21.
In this embodiment, in order to realize reliable sealing between the battery case 1 and the battery cover plate 2, the mounting hole 11 may be a blind hole, and meanwhile, the mounting boss 15 may be disposed on the inner wall of the battery case 1, and the battery cover plate 2 is mounted on the mounting boss 15 of the battery case 1 in a sealing manner. Meanwhile, a sealing installation groove can be formed in the installation boss 15, a sealing gasket or a sealing strip is arranged in the sealing installation groove, and the battery box body 1 and the battery cover plate 2 are further well sealed through the sealing gasket or the sealing strip.
In this embodiment, in order to ensure the accurate installation of the battery cover plate 2, the positioning column 22 is disposed on the bottom surface of the battery cover plate 2, and meanwhile, the partition plate 13 may be disposed in the battery box 1, and the positioning hole 14 is disposed on the partition plate 13, so that when the battery cover plate 2 is installed, the positioning column 22 is matched with the positioning hole 14, and is used for realizing the positioning installation of the battery cover plate 2 and the battery box 1.
In addition, if the battery cover plate 2 is a polar plate, the polar plate needs to be insulated from the battery box body 1, an insulating layer needs to be arranged on the polar plate and insulated from the battery box body 1, and the insertion groove 21 is arranged in the insulating layer.
Example 3
The present embodiment provides a high-capacity battery, including a plurality of battery cells and the battery case in embodiment 1 or embodiment 2; a plurality of battery cells are arranged in parallel or in series within the battery housing. During installation, according to the user demand, a plurality of battery electric cores are parallelly connected or serially connected, and then, a plurality of battery electric cores which are parallelly connected or serially connected are placed in the battery box body 1.
When the battery cover plate 2 is installed in the battery box 1 according to the installation direction, the battery cover plate is accurately installed downwards under the constraint positioning of the positioning columns 22 and the positioning holes 14. When the battery cover 2 is mounted to a certain position, the locking lever 33 starts to be depressed. At this time, the locking assembly 3 is in the first state, and the lock block 31 is entirely located in the mounting hole 11. As the battery cover 2 continues to be mounted downward, the locking lever 33 continues to be pressed downward. When pushing down to a certain position, locking lever 33 removes the cooperation with locking piece 31, and battery apron 2 pushes down and compression sealing pad or sealing strip deformation, and when sealing pad or sealing strip reached design compression volume, locking subassembly 3 was in the second state, and locking piece 31 is under the effect of spring 32, and the inserted groove 21 of inserting battery apron 2 realizes the erection joint of battery apron 2 and battery box 1.
Claims (10)
1. A battery shell is characterized by comprising a battery cover plate, a battery box body and a locking assembly;
the battery cover plate is arranged at the opening of the battery box body and forms a closed cavity with the battery box body;
a plurality of inserting grooves are formed in the side surface of the battery cover plate along the circumferential direction;
the locking assembly is arranged on the side wall of the battery box body along the circumferential direction and has a first state and a second state, when the locking assembly is in the first state, the locking assembly is kept in the side wall of the battery box body and used for achieving the unlocking state of the battery cover plate and the battery box body, and when the locking assembly is in the second state, the locking assembly is inserted into the insertion groove of the battery cover plate and used for achieving the locking state of the battery cover plate and the battery box body.
2. The battery housing of claim 1, wherein the locking assembly comprises a locking block, a spring, and a locking bar;
the locking block is arranged in the mounting hole in the side wall of the battery box body, and the side surface of the locking block is provided with a locking groove;
the spring is arranged in the mounting hole in the side wall of the battery box body and used for ejecting the locking block out of the mounting hole and inserting the locking block into the insertion groove;
the locking rod is arranged in a locking rod hole in the side wall of the battery box body and comprises a first cylinder and a second cylinder which are connected;
when the locking groove embedding cooperation of first cylinder and locking piece, realize the first state of locking subassembly, the second cylinder sets up and when the mounting hole was popped out to the locking groove of locking piece in a staggered way, realizes the second state of locking subassembly with the locking groove of locking piece.
3. The battery shell according to claim 2, wherein the locking assembly further comprises a guide rod arranged in a guide hole on the side wall of the battery box body, a guide surface is arranged on the side surface of the locking block a, and the guide rod is matched with the guide surface to enable the locking block to move along a set direction;
or,
the side of locking piece is provided with guide way or guide block, be provided with on the lateral wall of mounting hole with guide way or guide block matched with guide way or guide block or guide way for the locking piece moves along setting for the direction.
4. The battery case of claim 2, wherein the first and second posts of the locking lever are both cylindrical and the second post has a diameter less than the diameter of the first post.
5. The battery shell according to claim 2, wherein the insertion groove is an arcuate hole or a semicircular hole, and the locking piece is an arcuate cylinder or a semicircular cylinder matched with the arcuate hole or the semicircular hole in shape.
6. The battery housing of claim 2, wherein the mounting hole is a blind hole for sealing the battery case.
7. The battery shell according to claim 1, wherein the battery cover plate is further provided with positioning columns, a partition plate is arranged in the battery box body, the partition plate is provided with positioning holes, and the positioning columns are matched with the positioning holes and used for realizing positioning and installation of the battery cover plate and the battery box body.
8. The battery shell according to claim 1, wherein the battery box body is provided with a mounting boss on the inner wall, the battery cover plate is mounted with the mounting boss of the battery box body in a sealing manner, and a sealing gasket or a sealing strip is arranged on the sealing mounting surface.
9. The battery casing of claim 1, wherein the battery cover plate is a polar plate, an insulating layer insulated from the battery box body is further arranged on the polar plate, and the insertion groove is arranged in the insulating layer.
10. A high-capacity battery comprising a plurality of battery cells and the battery case of any one of claims 1 to 9; a plurality of battery cells are disposed within the battery housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221321807.1U CN218498201U (en) | 2022-05-30 | 2022-05-30 | Battery case and large capacity battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221321807.1U CN218498201U (en) | 2022-05-30 | 2022-05-30 | Battery case and large capacity battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218498201U true CN218498201U (en) | 2023-02-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221321807.1U Active CN218498201U (en) | 2022-05-30 | 2022-05-30 | Battery case and large capacity battery |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218498201U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116722285A (en) * | 2023-08-09 | 2023-09-08 | 中碳海巢(北京)新能源科技有限公司 | Battery module |
-
2022
- 2022-05-30 CN CN202221321807.1U patent/CN218498201U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116722285A (en) * | 2023-08-09 | 2023-09-08 | 中碳海巢(北京)新能源科技有限公司 | Battery module |
| CN116722285B (en) * | 2023-08-09 | 2023-10-20 | 中碳海巢(北京)新能源科技有限公司 | Battery module |
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