CN213278254U - Battery pack case assembly and sealing strip - Google Patents
Battery pack case assembly and sealing strip Download PDFInfo
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- CN213278254U CN213278254U CN202021759542.4U CN202021759542U CN213278254U CN 213278254 U CN213278254 U CN 213278254U CN 202021759542 U CN202021759542 U CN 202021759542U CN 213278254 U CN213278254 U CN 213278254U
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- sealing strip
- casing
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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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- 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
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- Battery Mounting, Suspending (AREA)
Abstract
The application discloses housing assembly and sealing strip of battery package, housing assembly includes: an upper housing and a lower housing; the sealing strip, the sealing strip install in go up the casing with between the casing down, the sealing strip have be used for with go up the casing down the connecting portion that the casing links to each other, just the sealing strip be equipped with be used for with go up the casing and/or casing location complex location portion down, connecting portion with location portion follows the circumference interval of sealing strip sets up, just the sealing strip is equipped with waterproof muscle. The utility model provides a casing assembly of battery package through last casing and down between the casing location and installation sealing strip, has greatly improved casing assembly's sealing performance, and the sealing strip dismouting is efficient, is difficult for appearing the tearing condition of sealing strip at the dismouting in-process, can realize using repeatedly of sealing strip, does benefit to the sealed cost that reduces casing assembly.
Description
Technical Field
The application relates to the technical field of power battery manufacturing, in particular to a shell assembly of a battery pack and a sealing strip of the shell assembly.
Background
At present, with the rapid development of the new energy industry, electric vehicles gradually move to the society, and the battery pack is particularly important as an energy provider of the electric vehicles, wherein the sealing structure of the battery pack is more important for the safety of the battery pack. Among the correlation technique, the sealed cooperation is realized through pasting the silicon bubble cotton to the last casing of battery package and lower casing, so set up sealed effect relatively poor, and install and change all inconvenient, have the space of improvement.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, an object of this application lies in providing a casing subassembly of battery package, seals the cooperation through the sealing strip between this casing subassembly, and sealing strip location, simple to operate are sealed effectual.
According to the shell subassembly of battery package of this application embodiment, include: an upper housing and a lower housing; the sealing strip, the sealing strip install in go up the casing with between the casing down, the sealing strip have be used for with go up the casing down the connecting portion that the casing links to each other, just the sealing strip be equipped with be used for with go up the casing and/or casing location complex location portion down, connecting portion with location portion follows the circumference interval of sealing strip sets up, just the sealing strip is equipped with waterproof muscle.
According to the casing assembly of battery package of this application embodiment, through last casing and down between the casing location and installation sealing strip, greatly improved casing assembly's sealing performance, the sealing strip dismouting is efficient, is difficult for appearing the tearing condition of sealing strip at the dismouting in-process, can realize using repeatedly of sealing strip, does benefit to the sealed cost that reduces casing assembly.
According to the shell assembly of the battery pack of some embodiments of the application, the connecting portion and the positioning portion are both at least one, and at least one of the positioning portion and at least one of the connecting portion are arranged in a staggered manner in the circumferential direction of the sealing strip.
According to the casing subassembly of battery package of some embodiments of this application, location portion includes the locating hole, go up the casing with at least one in the casing is equipped with the reference column down, the reference column extends in the locating hole in order to with the locating hole cooperation.
According to the casing assembly of battery package of some embodiments of this application, the locating hole is followed the thickness direction of sealing strip link up, it is equipped with the reference column to go up the casing, the casing is equipped with down the reference column down, go up the reference column with down the reference column all extends in the locating hole.
According to the shell assembly of the battery pack of some embodiments of the application, the positioning hole is opened upwards along the thickness direction of the sealing strip, the lower surface of the upper shell is provided with the upper positioning column, and the upper positioning column extends into the positioning hole; or the positioning hole is opened downwards along the thickness direction of the sealing strip, a lower positioning column is arranged on the upper surface of the lower shell, and the lower positioning column extends into the positioning hole.
According to the casing assembly of battery package of some embodiments of this application, location portion includes the reference column, go up the casing with one of lower casing is equipped with the locating hole, the reference column extends in the locating hole.
According to the casing subassembly of battery package of some embodiments of this application, waterproof muscle is followed the circumference of sealing strip extends, just the last side of sealing strip and/or the downside of sealing strip is equipped with waterproof muscle.
According to the shell assembly of battery package of some embodiments of this application, the thickness of waterproof muscle is L1, the height of waterproof muscle is L2, satisfies: l1 is more than or equal to 1mm and less than or equal to 3mm, and L2 is more than or equal to 5mm and less than or equal to 10 mm.
According to the casing subassembly of battery package of some embodiments of this application, connecting portion include the connecting hole, go up the casing with the casing is equipped with connecting hole, lower connecting hole respectively down, go up the connecting hole with the connecting hole is just to setting up along upper and lower direction down.
The application also provides a sealing strip.
According to the sealing strip of the embodiment of the application, the sealing strip is the sealing strip of the shell assembly of the battery pack of any one of the embodiments.
The advantages of the sealing strip and the shell assembly of the battery pack are the same as those of the shell assembly of the battery pack in the prior art, and are not described in detail herein.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The above and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of an upper housing assembled with a seal strip according to an embodiment of the present application;
FIG. 2 is a schematic structural diagram of an upper housing according to an embodiment of the present application;
FIG. 3 is an enlarged view at A in FIG. 2;
FIG. 4 is a schematic structural view (bottom view) of an upper housing according to an embodiment of the present application;
FIG. 5 is an enlarged view of a portion of FIG. 4;
FIG. 6 is a schematic structural view of a weather strip according to an embodiment of the present application;
FIG. 7 is an enlarged view of a portion of FIG. 6;
FIG. 8 is a schematic view of a seal strip according to further embodiments of the present application;
fig. 9 is a partially enlarged view of fig. 8.
Reference numerals:
go up casing 1, go up connecting hole 11, sealing strip 2, connecting hole 21, waterproof muscle 22, locating hole 3, reference column 4.
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application.
The following describes, with reference to fig. 1 to 9, a case assembly of a battery pack according to an embodiment of the present application, which has a good sealing effect, is efficient in positioning and mounting the sealing strip 2, and can be reused because the sealing strip 2 is not mounted and fixed in an adhesive manner.
As shown in fig. 1 to 9, a case assembly of a battery pack according to an embodiment of the present application includes: an upper shell 1, a lower shell and a sealing strip 2.
Wherein, go up casing 1 and lower casing and interlock each other and form complete shell structure, inject the installation cavity simultaneously and be used for installing battery module. Sealing strip 2 installs between last casing 1 and lower casing to make sealing strip 2 can play sealed effect between last casing 1 and lower casing, thereby guarantee the leakproofness of casing assembly's installation cavity, guarantee battery module's battery cell's security and reliability.
Wherein, location portion can set up to realize the location with last casing 1, also can set up to realize the location with lower casing, perhaps set up to simultaneously with last casing 1, the location is realized to the casing down, and fix a position the back through location portion, when carrying out casing assembly's dismantlement, still can follow location portion and detach sealing strip 2 and last casing 1 or lower casing, high durability and convenient installation, and can not cause sealing strip 2's structural damage, do benefit to and reduce seal structure's use cost, and sealing strip 2 is difficult for causing sealing strip 2's damage when location and installation, do benefit to the sealing performance that improves the battery package, guarantee the safety in utilization of battery package.
And sealing strip 2 is equipped with waterproof muscle 22, and waterproof muscle 22 can play shutoff and waterproof effect between last casing 1 and lower casing, avoids outside water droplet or other liquid from going up between casing 1 and sealing strip 2 or immerse the installation intracavity between casing and the sealing strip 2 down to do benefit to the leakproofness and the waterproof grade that improve the casing subassembly of battery package.
According to the casing assembly of battery package of this application embodiment, through locating and installing sealing strip 2 between last casing 1 and lower casing, greatly improved casing assembly's sealing performance, sealing strip 2 dismouting is efficient, is difficult for appearing the tearing condition of sealing strip 2 in the dismouting in-process, can realize using repeatedly of sealing strip 2, does benefit to the sealed cost that reduces casing assembly.
In some embodiments, the connecting portion and the positioning portion are each at least one. That is to say, at least one position in the circumferential direction of the weather strip 2 is in positioning fit with the upper casing 1 or the lower casing, as shown in fig. 3, the plurality of positioning portions are arranged at intervals in the circumferential direction of the weather strip 2, so that the weather strip 2 can be in positioning fit with the upper casing 1 or the lower casing at a plurality of positions in the circumferential direction, and the accuracy and the reliability of the installation of the weather strip 2 are improved. At least one position department in circumference is fixed continuous with last casing 1 and lower casing, as shown in fig. 3, connecting portion are a plurality ofly, and a plurality of connecting portions are at the interval arrangement in the circumference of sealing strip 2 to make sealing strip 2 all can with last casing 1 and lower casing fixed connection in a plurality of positions department in circumference, improve the joint strength of last casing 1 and lower casing, guarantee that sealing strip 2 can receive effectively and extrude, thereby guarantee the leakproofness of the casing subassembly of battery package.
Wherein, at least one location portion and at least one connecting portion are arranged at the circumference of sealing strip 2 in an alternating manner, as shown in fig. 3, location portion and connecting portion are a plurality of, and a plurality of location portions and a plurality of connecting portions are arranged at the circumference of sealing strip 2 in an alternating manner, so that the location and the fixation can be realized at a plurality of positions of sealing strip 2 in the circumference, and the installation efficiency and the structural stability of the housing assembly are improved.
In some embodiments, the positioning portion includes a positioning hole 3, and at least one of the upper casing 1 and the lower casing is provided with a positioning column 4, and the positioning column 4 extends into the positioning hole 3 to be matched with the positioning hole 3. That is to say, can set up reference column 4 at casing 1 and/or casing down to make on casing 1 or the reference column 4 on the casing down extend to the locating hole 3 in play the effect of constraint location to sealing strip 2, do benefit to the quick location that realizes sealing strip 2. The structure of the positioning column 4 is flexibly arranged, and can be flexibly arranged according to actual positioning and installation requirements, such as the lower surface of the upper shell 1 or the upper surface of the lower shell.
Wherein, locating hole 3 in the embodiment in this application can be constructed circular port, rectangular hole or slotted hole etc. and reference column 4 can be constructed circular post, square post or long cylinder etc. of mushroom head form, and the shape structure of locating hole 3 corresponds with the shape of reference column 4 to make sealing strip 2 can realize reasonable, efficient sealed with last casing 1 or lower casing, sealing strip 2 need not to use sticky, repeatedly usable.
In some embodiments, the positioning hole 3 penetrates through the sealing strip 2 in the thickness direction, the upper housing 1 is provided with an upper positioning column, the lower housing is provided with a lower positioning column, and the upper positioning column and the lower positioning column both extend into the positioning hole 3. That is to say, locating hole 3 is the perforating hole, and locating hole 3 both can realize location fit with last casing 1, also can realize location fit with lower casing, that is to say, in installing specifically, can be earlier sealing strip 2 and last casing 1 location fit, with sealing strip 2 and lower casing location fit to indirectly realize the location fit of last casing 1 and lower casing, improve housing assembly's installation effectiveness.
In other embodiments, the positioning hole 3 opens upward along the thickness direction of the sealing strip 2, as shown in fig. 4 and 5, the lower surface of the upper housing 1 is provided with an upper positioning column, and the upper positioning column extends into the positioning hole 3. That is to say, sealing strip 2 and 1 location fit of last casing, when sealing strip 2 and 1 location installation of last casing, with sealing strip 2 assembly in the lower surface of last casing 1, and will go up reference column and 3 location fit of locating hole to realize sealing strip 2 and the location process of last casing 1, together at last with casing lock down.
Or the positioning hole 3 is opened downwards along the thickness direction of the sealing strip 2, the upper surface of the lower shell is provided with a lower positioning column, and the lower positioning column extends into the positioning hole 3. Also can be with sealing strip 2 and lower casing location fit promptly to when sealing strip 2 and lower casing location installation, assemble sealing strip 2 in the upper surface of casing down, and will descend the reference column to extend and realize location fit in locating hole 3, thereby realize the location process of sealing strip 2 and lower casing, together at last with last 1 locks of casing.
In some embodiments, the positioning portion includes a positioning column 4, one of the upper casing 1 and the lower casing is provided with a positioning hole 3, and the positioning column 4 extends into the positioning hole 3. As shown in fig. 2, 3 and 4, a positioning hole 3 is formed at a side edge of the upper housing 1, the sealing strip 2 can be mounted on the lower surface of the upper housing 1, and a positioning post 4 on the sealing strip 2 extends into the positioning hole 3 to be positioned and matched with the upper housing 1; or a positioning hole 3 is formed in the side edge of the lower shell, the sealing strip 2 can be installed on the upper surface of the lower shell, and the positioning column 4 of the sealing strip 2 extends into the positioning hole 3 to be matched with the lower shell in a positioning mode. Wherein, if locating hole 3 is the circular port of locating upper housing 1, or locating hole 3 is the quad slit of locating upper housing 1, as shown in fig. 6 and 7, reference column 4 is the square post of locating the upper surface of sealing strip 2.
In some embodiments, as shown in fig. 8, the waterproof rib 22 extends along the circumferential direction of the sealing strip 2, that is, the waterproof rib 22 of the present application may be designed to follow the shape of the sealing strip 2, so that the waterproof rib 22 can perform the waterproof sealing function at each position of the sealing strip 2 along the circumferential direction, thereby improving the sealing performance of the sealing strip 2.
Wherein the upper side of the sealing strip 2 and/or the lower side of the sealing strip 2 is provided with a waterproof rib 22. Can set up waterproof muscle 22 at the upper surface of sealing strip 2 to form sealed waterproof construction between sealing strip 2 and last casing 1, also can set up waterproof muscle 22 at the lower surface of sealing strip 2, in order to form sealed waterproof construction between sealing strip 2 and the casing down, perhaps all set up waterproof muscle 22 at the upper surface and the lower surface of sealing strip 2, in order all to form sealed waterproof construction in the both sides of sealing strip 2, improve the waterproof grade of sealing strip 2.
As shown in fig. 9, the waterproof ribs 22 are disposed on the inner side and the outer side of the positioning portion, and the waterproof ribs 22 may be formed by a plurality of layers spaced in the inner and outer directions, so as to perform a multi-layer waterproof sealing function, thereby improving the waterproof performance of the sealing strip 2.
In some embodiments, the thickness of the waterproof rib 22 is L1, and the height of the waterproof rib 22 is L2, so that: l1 is more than or equal to 1mm and less than or equal to 3mm, and L2 is more than or equal to 5mm and less than or equal to 10 mm. If L1 is 1.5mm, L2 is 6.5mm, or L1 is 2mm, L2 is 7.5mm, or L1 is 2.5mm, or L2 is 8.5mm, the thickness and height of weather strip 2 are set within the above ranges, and the sealing performance of weather strip 2 between upper case 1 and lower case can be effectively improved. The specific selection of the thickness and height parameters of the waterproof rib 22 can be flexibly set according to the actual elastic compression amount of the sealing strip 2, so as to ensure the waterproof effect.
In some embodiments, the connection portion includes a connection hole 21, the upper case 1 and the lower case are respectively provided with an upper connection hole 11 and a lower connection hole, and the upper connection hole 11, the connection hole 21 and the lower connection hole are oppositely disposed in an up-down direction. Like this, when with last casing 1, sealing strip 2 and casing down fixed linking to each other, can be earlier through the positioning action of location portion, it is fixed with the relative position of sealing strip 2 between last casing 1 and casing down, and through the threaded connection spare that runs through last connecting hole 11 in proper order, connecting hole 21 and lower connecting hole realize going up casing 1, sealing strip 2 and casing down fixed, and when threaded connection spare was screwed up, can make sealing strip 2 contract effectively, thereby play well sealed effect between last casing 1 and the casing down.
As shown in fig. 1, circular hole structures are arranged at a plurality of positions in the circumferential direction of the upper shell 1 matched with the sealing strip 2, so that the upper shell 1, the lower shell and the sealing strip 2 are fixedly connected through a plurality of bolts.
The application also proposes a sealing strip 2.
According to sealing strip 2 of this application embodiment, this sealing strip 2 is the sealing strip 2 of the casing subassembly of the battery package of any kind of above-mentioned embodiment, this sealing strip 2 can realize fixing a position fast and install between the last casing 1 of battery package and the lower casing, has greatly improved casing subassembly's sealing performance, 2 dismouting of sealing strip are efficient, be difficult for appearing the tearing condition of sealing strip 2 in the dismouting in-process, can realize using repeatedly of sealing strip 2, do benefit to the sealed cost that reduces casing subassembly.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
In the description of the present application, "the first feature" and "the second feature" may include one or more of the features.
In the description of the present application, "a plurality" means two or more.
In the description of the present application, the first feature being "on" or "under" the second feature may include the first and second features being in direct contact, and may also include the first and second features being in contact not directly but via another feature therebetween.
In the description of the present application, the first feature being "on," "above" and "over" the second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature.
In the description herein, reference to the description of the terms "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A housing assembly for a battery pack, comprising:
an upper case (1) and a lower case;
sealing strip (2), sealing strip (2) install in go up casing (1) with between the casing down, sealing strip (2) have be used for with go up casing (1) the connecting portion that the casing links to each other down, just sealing strip (2) be equipped with be used for with go up casing (1) and/or casing location fit's location portion down, connecting portion with location portion follows the circumference interval of sealing strip (2) sets up, just sealing strip (2) are equipped with waterproof muscle (22).
2. The battery pack case assembly according to claim 1, wherein the connecting portion and the positioning portion are each at least one, and at least one of the positioning portions and at least one of the connecting portions are arranged to be staggered in the circumferential direction of the sealing strip (2).
3. The housing assembly of the battery pack according to claim 1 or 2, wherein the positioning portion comprises a positioning hole (3), at least one of the upper housing (1) and the lower housing is provided with a positioning post (4), and the positioning post (4) extends into the positioning hole (3) to be matched with the positioning hole (3).
4. The battery pack housing assembly of claim 3, wherein the positioning hole (3) penetrates through the sealing strip (2) in the thickness direction, the upper housing (1) is provided with an upper positioning column, the lower housing is provided with a lower positioning column, and the upper positioning column and the lower positioning column both extend into the positioning hole (3).
5. The housing assembly of a battery pack of claim 3,
the positioning hole (3) is upwards opened along the thickness direction of the sealing strip (2), an upper positioning column is arranged on the lower surface of the upper shell (1), and the upper positioning column extends into the positioning hole (3);
or the positioning hole (3) is opened downwards along the thickness direction of the sealing strip (2), a lower positioning column is arranged on the upper surface of the lower shell, and the lower positioning column extends into the positioning hole (3).
6. The housing assembly of a battery pack according to claim 1 or 2, wherein the positioning portion comprises a positioning post (4), one of the upper housing (1) and the lower housing is provided with a positioning hole (3), and the positioning post (4) extends into the positioning hole (3).
7. A housing assembly of a battery pack according to claim 1, characterized in that the waterproof rib (22) extends in the circumferential direction of the sealing strip (2), and the upper side of the sealing strip (2) and/or the lower side of the sealing strip (2) is provided with the waterproof rib (22).
8. The battery pack case assembly of claim 7, wherein the waterproof rib (22) has a thickness of L1, and the waterproof rib (22) has a height of L2, such that: l1 is more than or equal to 1mm and less than or equal to 3mm, and L2 is more than or equal to 5mm and less than or equal to 10 mm.
9. The case assembly of a battery pack according to claim 1 or 2, wherein the connecting portion includes a connecting hole (21), the upper case (1) and the lower case are respectively provided with an upper connecting hole (11) and a lower connecting hole, and the upper connecting hole (11), the connecting hole (21) and the lower connecting hole are disposed to face each other in an up-down direction.
10. A sealing strip (2), characterized in that the sealing strip (2) is a sealing strip (2) of a housing assembly of a battery pack according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021759542.4U CN213278254U (en) | 2020-08-20 | 2020-08-20 | Battery pack case assembly and sealing strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021759542.4U CN213278254U (en) | 2020-08-20 | 2020-08-20 | Battery pack case assembly and sealing strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213278254U true CN213278254U (en) | 2021-05-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021759542.4U Active CN213278254U (en) | 2020-08-20 | 2020-08-20 | Battery pack case assembly and sealing strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213278254U (en) |
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2020
- 2020-08-20 CN CN202021759542.4U patent/CN213278254U/en active Active
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