CN111469681A - Battery package mounting point seal structure, battery package and vehicle - Google Patents
Battery package mounting point seal structure, battery package and vehicle Download PDFInfo
- Publication number
- CN111469681A CN111469681A CN202010475236.6A CN202010475236A CN111469681A CN 111469681 A CN111469681 A CN 111469681A CN 202010475236 A CN202010475236 A CN 202010475236A CN 111469681 A CN111469681 A CN 111469681A
- Authority
- CN
- China
- Prior art keywords
- sleeve
- upper shell
- battery pack
- mounting hole
- shell
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 47
- 230000006835 compression Effects 0.000 claims abstract description 15
- 238000007906 compression Methods 0.000 claims abstract description 15
- 238000012423 maintenance Methods 0.000 abstract description 5
- 210000004907 gland Anatomy 0.000 description 9
- 238000001816 cooling Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
- B60L50/66—Arrangements of batteries
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
- B60K2001/0455—Removal or replacement of the energy storages
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Abstract
The invention discloses a battery pack mounting point sealing structure which comprises an upper shell, a lower shell, a middle cross beam arranged between the upper shell and the lower shell, a first sleeve and a second sleeve, wherein the first sleeve is arranged on one side of the middle cross beam close to the upper shell, and the upper end of the first sleeve is lapped with the upper shell; the second sleeve is coaxially sleeved inside the first sleeve, the outer wall of the lower end of the second sleeve is connected with the lower shell in a sealing mode, the outer side of the upper portion of the second sleeve is connected with the upper shell through a sealing gasket, the upper end of the second sleeve extends out of the upper shell, a compression nut is connected with the upper shell in a threaded mode, and the sealing gasket is compressed by screwing the compression nut to seal the second sleeve and the upper shell. It arranges more in a flexible way under the prerequisite that satisfies the waterproof dustproof requirement of battery package, improves battery package maintainability, reduces battery package cost of maintenance. The invention also discloses a battery pack and a vehicle with the battery pack mounting point sealing structure.
Description
Technical Field
The invention relates to a power battery of an electric automobile, in particular to a battery pack mounting point sealing structure, a battery pack and a vehicle.
Background
With the increase of the use scenes of users, the requirements on the driving range of the pure electric vehicle are higher, and the size of the battery pack is larger and larger. Accordingly, referring to fig. 1, due to the increase in the size of the battery pack, in addition to the mounting points of the periphery and the entire vehicle, the middle mounting point 110 connected with the entire vehicle is added to the middle of the existing battery pack 100 in successive vehicle types.
Referring to fig. 2, the middle mounting point of the existing battery pack includes an existing connecting sleeve 140 penetrating through the upper and lower cases of the existing battery pack, based on the dustproof and waterproof requirements of the battery pack, the existing connecting sleeve 140 and the existing middle cross beam 120 are connected into a sealed whole by welding, and the free end of the existing middle cross beam 120 and the existing longitudinal beam 130 are welded and fixed to form a non-detachable frame. The welding process may result in an inflexible arrangement of the battery pack, for example, the water cooling plate may be only arranged in the frame of each welded beam, resulting in an increase of water cooling pipes, thereby increasing the use cost and space, and even eliminating the water cooling assembly of the battery pack. The problem of arrangement space and pipeline cost can be solved to the integral type battery box of integrated water-cooling board on the market, but because the product is non-detachable nature, the damage of one of them part all can lead to the complete set of change of integral type box, including structural component and corresponding water-cooling subassembly. So that the maintainability of the battery pack is reduced and the after-sale maintenance cost is increased.
Disclosure of Invention
The invention aims to provide a battery pack mounting point sealing structure, a battery pack and a vehicle, which are more flexible in arrangement, improve the maintainability of the battery pack and reduce the maintenance cost of the battery pack on the premise of meeting the waterproof and dustproof requirements of the battery pack.
The invention relates to a battery pack mounting point sealing structure which comprises an upper shell, a lower shell, a middle cross beam arranged between the upper shell and the lower shell, a first sleeve and a second sleeve, wherein the first sleeve is arranged on one side of the middle cross beam close to the upper shell, and the upper end of the first sleeve is lapped with the upper shell; the second sleeve is coaxially sleeved inside the first sleeve, the outer wall of the lower end of the second sleeve is connected with the lower shell in a sealing mode, the outer side of the upper portion of the second sleeve is connected with the upper shell through a sealing gasket, the upper end of the second sleeve extends out of the upper shell, a compression nut is connected with the upper shell in a threaded mode, and the sealing gasket is compressed by screwing the compression nut to seal the second sleeve and the upper shell.
Further, the gland nut border is equipped with the spacing arch that extends of casing up, spacing protruding lower extreme and last casing butt guarantee gland nut at the effectual sealed pad of will sealing of locking in-process and compress tightly in last casing to avoid sealing the pad conquassation, can prevent simultaneously that outside water or dust from entering into in the battery package inside through the clearance of gland nut and last casing.
Furthermore, the upper shell is provided with a first mounting hole, the lower shell is provided with a second mounting hole, the middle cross beam is provided with a third mounting hole, and the first mounting hole, the second mounting hole and the third mounting hole are coaxially arranged; a clamping groove correspondingly matched with the first mounting hole is formed in the periphery of the sealing gasket, and a gap is formed between the bottom of the clamping groove and the wall of the first mounting hole; the first sleeve and the third mounting hole are coaxially arranged, and the first sleeve is welded and fixed at one end, close to the upper shell, of the third mounting hole; the second sleeve is coaxially arranged with the second mounting hole, and the outer wall of the lower end of the second sleeve is hermetically connected with the hole wall of the second mounting hole.
Furthermore, sealed inboard of filling up lower part is equipped with the direction inclined plane for sealed the assembly of filling up more convenient.
Further, first sleeve upper end is equipped with the flange of outside extension, and this flange is used for with last casing overlap joint, and the casing can be supported from the bottom surface better in the setting of flange, has improved the stability of connecting.
Furthermore, the inner wall of the upper end of the first sleeve is provided with a boss which is correspondingly matched with the sealing gasket, so that the sealing gasket is always jointed with the upper shell, and the sealing effect is ensured.
Furthermore, be equipped with the longeron of dismantling the connection with the middle part crossbeam between last casing and the lower casing, improved the flexibility of arranging of middle part crossbeam.
The utility model provides a battery package, battery package middle part interval is equipped with a plurality of mounting points, the mounting point includes foretell battery package mounting point seal structure.
A vehicle comprises the battery pack.
The hollow channel of the second sleeve is used as the mounting channel of the battery pack connecting piece, the outer wall of the lower end of the second sleeve is in sealing connection with the lower shell, the sealing reliability of the second sleeve and the lower shell is guaranteed, the outer side of the upper portion of the second sleeve is connected with the upper shell through the sealing gasket, the upper end of the second sleeve extends out of the upper shell and is in threaded connection with the compression nut, the compression nut is screwed to compress the sealing gasket to seal the second sleeve and the upper shell, and the sealing reliability of the second sleeve and the upper shell is guaranteed. Because the first sleeve of one side fixed connection that is close to last casing at middle part crossbeam, first sleeve upper end and last casing overlap joint, second sleeve cup joints in first sleeve, and then when certain part of battery package broke down, can select to dismantle casing and middle part crossbeam according to actual demand, improved battery package maintainability, reduced battery package cost of maintenance.
Drawings
Fig. 1 is a schematic view of a conventional battery pack mounting point arrangement;
FIG. 2 is a schematic structural view of a mounting point in the middle of a conventional battery pack;
FIG. 3 is a schematic structural view of the present invention;
FIG. 4 is a cross-sectional view of the present invention;
fig. 5 is a partially enlarged schematic view of the area a in fig. 4.
In the figure, 1-an upper shell, 11-a first mounting hole, 2-a lower shell, 21-a second mounting hole, 3-a middle cross beam, 31-a third mounting hole, 4-a first sleeve, 41-a flange, 42-a boss, 5-a second sleeve, 6-a sealing gasket, 61-a clamping groove, 62-a guide inclined plane, 7-a compression nut, 71-a limiting bulge, 8-a longitudinal beam, 9-a bolt,
100-existing battery pack, 110-middle mounting point, 120-existing middle cross beam, 130-existing longitudinal beam, 140-existing connecting sleeve.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 3 to 5, the battery pack mounting point sealing structure includes an upper casing 1, a lower casing 2, a first sleeve 4, a second sleeve 5, and a middle cross beam 3 disposed between the upper casing 1 and the lower casing 2, wherein the upper casing 1 is provided with a first mounting hole 11, the lower casing 2 is provided with a second mounting hole 21, the middle cross beam 3 is provided with a third mounting hole 31, and the first mounting hole 11, the second mounting hole 21, and the third mounting hole 31 are coaxially disposed.
The first sleeve 4 and the third mounting hole 31 are coaxially arranged, and the first sleeve 4 is welded and fixed at one end, close to the upper shell 1, of the third mounting hole 31; the upper end of the first sleeve 4 is lapped with the upper shell 1;
the second sleeve 5 is coaxially sleeved in the first sleeve 4 and coaxially arranged with the second mounting hole 21, the outer wall of the lower end of the second sleeve 5 is connected with the lower shell 2 in a sealing mode, the sealing reliability of the second sleeve and the lower shell is guaranteed, the upper portion of the outer side is connected with the upper shell 1 through the sealing gasket 6, the upper end of the outer side stretches out of the upper shell 1 and is connected with the compression nut 7 through threads, the compression gasket 6 is compressed through screwing the compression nut 7 to seal the second sleeve 5 and the upper shell 1, and the sealing reliability of the second sleeve 5 and the upper shell 1 is guaranteed.
The border of gland nut 7 is equipped with spacing arch 71 that casing 1 extends up, spacing arch 71 lower extreme and last casing 1 butt guarantee gland nut 7 effectual with sealed 6 compresses tightly on last casing 1 in the locking process to avoided sealing up 6 conquassation, can prevent simultaneously that outside water or dust from entering into in the battery package inside through gland nut 7 and the clearance of last casing 1.
The sealed 6 week edges of filling up are traded and are equipped with and correspond complex joint groove 61 with first mounting hole 11, joint groove 61 tank bottom is equipped with the clearance with 11 pore walls of first mounting hole, sets up the clearance and has effectively prevented that gland nut 7 from screwing up the in-process sealed 6 of filling up and is cut badly by last casing 1, has guaranteed the sealing quality who fills up sealed 6.
The inboard guide slope 62 that is equipped with of sealed 6 lower parts of filling up for sealed 6 assembly is more convenient. The inner wall of the upper end of the first sleeve 4 is provided with a boss 42 which is correspondingly matched with the sealing gasket 6, so that the sealing gasket 6 is always jointed with the upper shell 1, and the sealing effect is ensured.
The flange 41 that extends outward is equipped with to first sleeve 4 upper end, and this flange is used for 41 and last casing 1 overlap joint, and the setting of flange 41 can be better from the bottom surface support last casing 1, has improved the stability of connecting.
Go up and be equipped with longeron 8 that can dismantle the connection with middle part crossbeam 3 between casing 1 and the lower casing 2, improved middle part crossbeam 3 arrange the flexibility.
During the specific assembly, seal the pad 6 and pass through joint groove 61 joint in the first mounting hole 11 of last casing 1, then pass middle part crossbeam 3, first sleeve 4 and sealed pad 6 and gland nut 7 threaded connection in proper order with second sleeve 5, screw up gland nut 7 compression seal pad 6 with sealed second sleeve 5 and last casing 1, accomplish the assembly of battery package mounting point.
When the battery pack needs to be fixed, the battery pack is fixed on the vehicle body by a connecting piece penetrating through the hollow channel of the second sleeve 5. If the internal components of the battery pack need to be repaired or replaced, the connecting piece can be taken down firstly, and the battery pack can be removed from the vehicle body. The compression nut 7 is then unscrewed to remove the upper housing. And the bolt 9 for connecting the middle cross beam 3 and the longitudinal beam 8 is unscrewed, the middle cross beam 3 can be taken out from bottom to top, and then the internal components of the battery pack are maintained or replaced, so that the maintainability of the battery pack is improved, and the maintenance cost of the battery pack is reduced.
The utility model provides a battery package, battery package middle part interval is equipped with a plurality of mounting points, the mounting point includes foretell battery package mounting point seal structure.
A vehicle comprises the battery pack.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. The utility model provides a battery package mounting point seal structure, includes casing (1), casing (2) down and locates middle part crossbeam (3) between casing (1) and casing (2) down, its characterized in that still includes:
the first sleeve (4) is arranged on one side, close to the upper shell (1), of the middle cross beam (3), and the upper end of the first sleeve is in lap joint with the upper shell (1);
the second sleeve (5) is coaxially sleeved in the first sleeve (4), the outer wall of the lower end of the second sleeve is connected with the lower shell (2) in a sealing mode, the outer side of the upper portion of the second sleeve is connected with the upper shell (1) through a sealing gasket (6), the upper end of the second sleeve stretches out of the upper shell (1) and is connected with a compression nut (7) in a threaded mode, and the compression nut (7) is screwed to compress the sealing gasket (6) so as to seal the second sleeve (5) and the upper shell (1).
2. The battery pack mounting point sealing structure according to claim 1, wherein: the edge of the compression nut (7) is provided with a limiting bulge (71) extending towards the upper shell (1), and the lower end of the limiting bulge (71) is abutted to the upper shell (1).
3. The battery pack mounting point sealing structure according to claim 1 or 2, characterized in that: the upper shell (1) is provided with a first mounting hole (11), the lower shell (2) is provided with a second mounting hole (21), the middle cross beam (3) is provided with a third mounting hole (31), and the first mounting hole (11), the second mounting hole (21) and the third mounting hole (31) are coaxially arranged;
a clamping groove (61) correspondingly matched with the first mounting hole (11) is formed in the periphery of the sealing gasket (6) in a surrounding mode, and a gap is formed between the bottom of the clamping groove (61) and the wall of the first mounting hole (11);
the first sleeve (4) and the third mounting hole (31) are coaxially arranged, and the first sleeve (4) is welded and fixed at one end, close to the upper shell (1), of the third mounting hole (31);
the second sleeve (5) and the second mounting hole (21) are coaxially arranged, and the outer wall of the lower end of the second sleeve (5) is connected with the hole wall of the second mounting hole (21) in a sealing mode.
4. The battery pack mounting point sealing structure according to claim 1 or 2, characterized in that: the inner side of the lower part of the sealing gasket (6) is provided with a guide inclined plane (62).
5. The battery pack mounting point sealing structure according to claim 1 or 2, characterized in that: the upper end of the first sleeve (4) is provided with an outwardly extending flange (42), and the flange (42) is used for being overlapped with the upper shell (1).
6. The battery pack mounting point sealing structure according to claim 1 or 2, characterized in that: the inner wall of the upper end of the first sleeve (4) is provided with a boss (42) which is correspondingly matched with the sealing gasket (6).
7. The battery pack mounting point sealing structure according to claim 1 or 2, characterized in that: a longitudinal beam (8) detachably connected with the middle cross beam (3) is arranged between the upper shell (1) and the lower shell (2).
8. A battery pack, comprising: the battery pack is provided with a plurality of mounting points at intervals, and the mounting points comprise the battery pack mounting point sealing structure as claimed in any one of claims 1 to 7.
9. A vehicle, characterized in that: comprising the battery pack of claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010475236.6A CN111469681A (en) | 2020-05-29 | 2020-05-29 | Battery package mounting point seal structure, battery package and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010475236.6A CN111469681A (en) | 2020-05-29 | 2020-05-29 | Battery package mounting point seal structure, battery package and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111469681A true CN111469681A (en) | 2020-07-31 |
Family
ID=71765427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010475236.6A Pending CN111469681A (en) | 2020-05-29 | 2020-05-29 | Battery package mounting point seal structure, battery package and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111469681A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112277664A (en) * | 2020-10-29 | 2021-01-29 | 安徽舟之航电池有限公司 | Battery package structure convenient to assemble with underbody |
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Application publication date: 20200731 |
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| RJ01 | Rejection of invention patent application after publication |