CN219067011U - Power battery and shell assembly and energy storage device thereof - Google Patents
Power battery and shell assembly and energy storage device thereof Download PDFInfo
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- CN219067011U CN219067011U CN202223148278.2U CN202223148278U CN219067011U CN 219067011 U CN219067011 U CN 219067011U CN 202223148278 U CN202223148278 U CN 202223148278U CN 219067011 U CN219067011 U CN 219067011U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a power battery, a shell component and an energy storage device thereof, wherein the shell component comprises: shell, utmost point post and sealing member, the shell has the utmost point post mounting hole that runs through the shell, the utmost point post is installed in utmost point post mounting hole, the lateral wall of utmost point post has the mounting groove that is sunken in the orientation utmost point post, the inner wall of mounting groove has first seal structure, the sealing member cover is established in the outside of utmost point post and is located between utmost point post and the shell, shell and sealing member butt, the inside wall of sealing member has sealed boss, sealed boss installs in the mounting groove and with the inner wall butt of mounting groove, sealed boss's surface has second seal structure, first seal structure and second seal structure butt seal. Therefore, the first sealing structure and the second sealing structure are correspondingly arranged on the inner wall of the mounting groove and the outer surface of the sealing boss, so that the contact area between the inner wall of the mounting groove and the outer surface of the sealing boss can be increased, and the sealing performance of the sealing piece is improved.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a power battery, a shell assembly thereof and an energy storage device.
Background
With the rapid development of power battery technology, power batteries are widely applied to various electric automobiles, so that the requirements of people on the use performance and the safety performance of the power batteries are increasingly improved. The sealing ring is used as an important component of the power battery and is mainly used for preventing foreign matters such as external gas or water from entering the battery core.
In the related art, the sealing ring usually adopts a sealing mode of surface contact, but the sealing effect of the current sealing mode is not ideal enough, and the condition that external foreign matters or internal electrolyte enter between the shell and the pole is often caused, so that the battery performance is reduced.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, a first object of the present utility model is to provide a housing assembly for a power battery, which can achieve not only sealing between a pole and a housing, but also complete isolation between the pole and the housing, and can prevent external foreign matters or internal electrolyte from entering between the housing and the pole, thereby improving the service performance of the battery, and simultaneously, a sealing member can perform an insulating function when completely isolating the pole and the housing, and can achieve sealing and insulating functions by one sealing member, thereby simplifying the installation process, improving the installation efficiency, and in addition, by correspondingly providing a first sealing structure and a second sealing structure on the inner wall of an installation groove and the outer surface of a sealing boss, the contact area of the inner wall of the installation groove and the outer surface of the sealing boss can be improved, thereby improving the sealing performance of the sealing member.
A second object of the present utility model is to propose a power battery.
A third object of the present utility model is to provide an energy storage device.
To achieve the above object, an embodiment of a first aspect of the present utility model provides a housing assembly of a power battery, including:
a housing having a post mounting hole penetrating the housing;
the pole is arranged in the pole mounting hole, the outer side wall of the pole is provided with a mounting groove which is sunken towards the inside of the pole, and the inner wall of the mounting groove is provided with a first sealing structure;
the sealing piece is sleeved on the outer side of the pole and is positioned between the pole and the shell, the shell is in butt joint with the sealing piece, the inner side wall of the sealing piece is provided with a sealing boss, the sealing boss is arranged in the mounting groove and is in butt joint with the inner wall of the mounting groove, the outer surface of the sealing boss is provided with a second sealing structure, and the first sealing structure is in butt joint with the second sealing structure.
According to the shell component of the power battery, the sealing element is sleeved on the outer side of the pole and is positioned between the pole and the shell, wherein the outer side wall of the sealing element is abutted against the shell, the inner side wall of the sealing element is provided with the sealing boss, and the sealing boss is installed in the installation groove of the pole and is abutted against the inner wall of the installation groove, so that complete isolation between the pole and the shell is achieved, external foreign matters or internal electrolyte can be prevented from entering between the shell and the pole, the service performance of the battery can be improved, meanwhile, the sealing element can play an insulating role when the pole and the shell are completely isolated, leakage of the pole to the shell is avoided, the safety performance is improved, sealing and insulating functions can be realized through one sealing element, an insulating part is not required to be additionally installed, the installation process is simplified, the installation efficiency is improved, and in addition, the contact area between the inner wall of the installation groove and the outer surface of the sealing boss can be improved through correspondingly arranging the first sealing structure and the second sealing structure on the inner wall of the installation groove, and the sealing boss is further improved.
In some examples of the utility model, the mounting groove is an annular groove and extends in the circumferential direction of the pole, and the sealing boss is an annular boss and extends in the circumferential direction of the seal.
In some examples of the utility model, the second seal structure is one of a seal bead and a seal groove, and the first seal structure is the other of a seal bead and a seal groove, the seal bead being mounted within the seal groove and in contact with an inner wall of the seal groove.
In some examples of the utility model, the inner wall of the mounting groove includes a first inner side wall and a second inner side wall disposed opposite to each other, the sealing boss has a first end face and a second end face opposite to each other, the first end face and the second end face correspond to the first inner side wall and the second inner side wall, respectively, the first end face and/or the second end face has a sealing rib protruding from the sealing boss, and the first inner side wall and/or the second inner side wall has a sealing groove recessed toward the inside of the pole.
In some examples of the utility model, the seal bead and the seal groove are both annular, the seal bead extending in a circumferential direction of the seal, the seal groove extending in a circumferential direction of the pole.
In some examples of the utility model, the outer side wall of the seal has a limit groove recessed toward the inside of the seal, and the housing is inserted into the limit groove and abuts against the inner wall of the limit groove.
In some examples of the utility model, the limit groove is opposite the sealing boss and recessed into the sealing boss.
In some examples of the utility model, the housing has an assembly groove recessed into the housing, a bottom wall of the assembly groove is provided with a post mounting hole and is inserted into the limit groove, and a side wall of the assembly groove abuts against the sealing member.
To achieve the above object, a second aspect of the present utility model provides a power battery, including:
a housing assembly for the power cell of the embodiment of the first aspect;
the pole group is arranged in the shell and is electrically connected with the pole post.
According to the power battery disclosed by the embodiment of the utility model, the sealing element is sleeved outside the pole and between the pole and the shell through the shell assembly, wherein the outer side wall of the sealing element is abutted against the shell, the inner side wall of the sealing element is provided with the sealing boss, and the sealing boss is arranged in the mounting groove of the pole and abutted against the inner wall of the mounting groove, so that the complete isolation between the pole and the shell is realized, external foreign matters or internal electrolyte can be prevented from entering between the shell and the pole, the service performance of the battery can be improved, meanwhile, the sealing element can play an insulating role when the pole and the shell are completely isolated, the leakage of the pole to the shell is avoided, the safety performance is improved, the sealing and insulating functions can be realized through one sealing element, no additional insulating part is needed, the mounting process is simplified, the mounting efficiency is improved, and in addition, the contact area between the inner wall of the mounting groove and the outer surface of the sealing boss can be improved through correspondingly arranging the first sealing structure and the second sealing structure on the inner wall of the mounting groove, so that the sealing performance of the sealing element is improved.
To achieve the above object, an embodiment of a third aspect of the present utility model provides an energy storage device, including the power battery in the embodiment of the second aspect.
According to the energy storage device disclosed by the embodiment of the utility model, the sealing element is sleeved outside the pole and between the pole and the shell through the power battery, wherein the outer side wall of the sealing element is abutted against the shell, the inner side wall of the sealing element is provided with the sealing boss, and the sealing boss is arranged in the mounting groove of the pole and abutted against the inner wall of the mounting groove, so that the complete isolation between the pole and the shell is realized, external foreign matters or internal electrolyte can be prevented from entering between the shell and the pole, the service performance of the battery can be improved, meanwhile, the sealing element can play an insulating role when the pole and the shell are completely isolated, the leakage of the pole to the shell is avoided, the safety performance is improved, the sealing and insulating functions can be realized through one sealing element, no additional insulating part is needed, the mounting process is simplified, the mounting efficiency is improved, and in addition, the contact area between the inner wall of the mounting groove and the outer surface of the sealing boss can be improved through correspondingly arranging the first sealing structure and the second sealing structure on the inner wall of the mounting groove and the outer surface of the sealing boss, so that the sealing performance of the sealing element is improved.
Additional aspects and advantages of the utility model 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 utility model.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic illustration of a power cell and housing assembly according to one embodiment of the utility model;
FIG. 2 is a schematic view of a pole according to one embodiment of the present utility model;
FIG. 3 is a schematic view of a seal according to one embodiment of the utility model;
FIG. 4 is a schematic illustration of a post and seal mating assembly according to one embodiment of the utility model;
fig. 5 is a schematic view of a housing according to one embodiment of the utility model.
Reference numerals:
a housing assembly 100; a power battery 200;
a housing 1; a post mounting hole 11; a fitting groove 12;
a pole 2; a mounting groove 21; a first inner sidewall 211; a second inner sidewall 212; a seal groove 213;
a seal 3; a seal boss 31; a first end face 311; a second end face 312; sealing ribs 313; a limit groove 32;
a pole group 4;
and a connecting piece 5.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
The following describes the housing assembly 100 of the power battery 200 according to the embodiment of the present utility model with reference to the accompanying drawings, and the housing assembly 100 of the power battery 200 may be mounted on a vehicle, but the present utility model is not limited thereto, and the housing assembly 100 of the power battery 200 may be applied to other devices requiring the housing assembly 100 of the power battery 200. The present application describes an application of the housing assembly 100 of the power battery 200 to a vehicle.
As shown in fig. 1-4, a housing assembly 100 according to an embodiment of the first aspect of the present utility model includes: a housing 1, a pole 2 and a seal 3.
Specifically, as shown in fig. 1, the housing 1 has a pole mounting hole 11 penetrating the housing 1, the pole 2 is mounted in the pole mounting hole 11, further, as shown in fig. 2, an outer side wall of the pole 2 has a mounting groove 21 recessed toward the inside of the pole 2, and with continued reference to fig. 1, the seal 3 is sleeved on the outer side of the pole 2 and located between the pole 2 and the housing 1, wherein the housing 1 abuts against the outer side wall of the seal 3, further, as shown in fig. 3, an inner side wall of the seal 3 has a sealing boss 31, and as shown in fig. 1 and with reference to fig. 4, the sealing boss 31 is mounted in the mounting groove 21 and abuts against an inner wall of the mounting groove 21.
Wherein, the outside at utmost point post 2 is established to sealing member 3 cover, the inside wall of sealing member 3 and the lateral wall butt of utmost point post 2, sealing member 3's sealed boss 31 corresponds to install in utmost point post 2's mounting groove 21 and with the inner wall butt of mounting groove 21, thereby can realize sealing member 3 to the complete seal of utmost point post 2, the sealed effect of sealing member 3 has been improved, simultaneously, set up sealing member 3's lateral wall into with shell 1 butt, make sealing member 3 be located between utmost point post 2 and shell 1, the complete isolation of utmost point post 2 and shell 1 has been realized, leave the gap between utmost point post 2 and the shell 1, can avoid external foreign matter or inside electrolyte to get into the power battery 200 quality problem that causes between casing and the utmost point post 2, thereby improve the performance of battery, simultaneously, sealing member 3 can play the insulating effect when keeping apart utmost point post 2 and shell 1 completely, avoid utmost point post 2 to shell 1 electric leakage, the security performance has been improved, and through sealing member 3 can realize sealing and insulating function, simplify and install insulating parts in addition, the installation effectiveness has been improved.
Further, the inner wall of the mounting groove 21 has a first sealing structure, and the outer surface of the sealing boss 31 has a second sealing structure, and the first sealing structure is sealed in abutment with the second sealing structure. That is, the inner wall of the mounting groove 21 and the outer surface of the sealing boss 31 are correspondingly provided with the first sealing structure and the second sealing structure, and the first sealing structure is in butt seal with the second sealing structure, so that the contact area between the inner wall of the mounting groove 21 and the outer surface of the sealing boss 31 is increased, the sealing element 3 is tightly attached to the pole 2, and the sealing effect of the sealing element 3 on the pole 2 is improved.
Therefore, the first sealing structure and the second sealing structure are correspondingly arranged on the inner wall of the mounting groove 21 and the outer surface of the sealing boss 31, so that the contact area between the inner wall of the mounting groove 21 and the outer surface of the sealing boss 31 can be increased, the sealing performance of the sealing element 3 is improved, in addition, the sealing element 3 can completely isolate the pole column 2 from the shell 1, external foreign matters or internal electrolyte can be prevented from entering between the shell and the pole column 2, the service performance of the battery is improved, meanwhile, the sealing element 3 can play an insulating role when completely isolating the pole column 2 from the shell 1, electric leakage of the pole column 2 to the shell 1 is avoided, the safety performance is improved, the sealing and insulating functions can be realized through one sealing element 3, no additional insulating parts are needed, the mounting process is simplified, and the mounting efficiency is improved.
In some embodiments of the present utility model, as shown in fig. 1-4, the mounting groove 21 is an annular groove and extends in the circumferential direction of the pole 2, and the sealing boss 31 is an annular boss and extends in the circumferential direction of the seal 3. The annular groove and the annular boss extend correspondingly, that is, the length of the annular groove extending along the circumferential direction of the pole 2 is consistent with the length of the annular boss extending along the circumferential direction of the sealing element 3, so that the sealing element 3 and the pole 2 are convenient to install in a matched mode, the assembly efficiency is improved, the annular groove and the annular boss are completely matched in the installation process without gaps, external foreign matters or internal electrolyte can be prevented from entering between the shell and the pole 2, and the sealing effect of the sealing element 3 on the pole 2 is further improved.
In some embodiments of the present utility model, the second sealing structure is one of the sealing rib 313 and the sealing groove 213, and the first sealing structure is the other of the sealing rib 313 and the sealing groove 213, and the sealing rib 313 is installed in the sealing groove 213 and contacts with the inner wall of the sealing groove 213.
That is, the sealing boss 31 of the sealing member 3 and the mounting groove 21 of the pole 2 are correspondingly provided with the sealing rib 313 and the sealing groove 213, if the outer surface of the sealing boss 31 is provided with the sealing rib 313, the inner wall of the mounting groove 21 is provided with the corresponding sealing groove 213, if the outer surface of the sealing boss 31 is provided with the sealing groove 213, the inner wall of the mounting groove 21 is provided with the corresponding sealing rib 313, the sealing rib 313 can be mounted in the sealing groove 213 and the outer surface of the sealing rib 313 is in full contact with the inner wall of the sealing groove 213, and thus, the line contact sealing can be realized between the sealing boss 31 and the mounting groove 21, so that the sealing member 3 is tightly attached to the pole 2, the sealing area is increased, and the sealing effect of the sealing member 3 on the pole 2 is further improved.
In some embodiments of the present utility model, as shown in fig. 2, the inner wall of the mounting groove 21 includes a first inner side wall 211 and a second inner side wall 212 disposed opposite to each other, as shown in fig. 3, the sealing boss 31 has a first end surface 311 and a second end surface 312 opposite to each other, the first end surface 311 and the second end surface 312 correspond to the first inner side wall 211 and the second inner side wall 212, respectively, the first end surface 311 and/or the second end surface 312 has a sealing rib 313 protruding the sealing boss 31, and the first inner side wall 211 and/or the second inner side wall 212 has a sealing groove 213 recessed toward the inside of the pole 2.
Specifically, the first inner sidewall 211 of the inner wall of the mounting groove 21 is in opposite contact with the first end face 311 of the sealing boss 31, and the second inner sidewall 212 of the inner wall of the mounting groove 21 is in opposite contact with the second end face 312 of the sealing boss 31, wherein the first end face 311 and/or the second end face 312 has a sealing rib 313 protruding from the sealing boss 31, and the first inner sidewall 211 and/or the second inner sidewall 212 has a sealing groove 213 recessed toward the inside of the pole 2, specifically, when only the first end face 311 is provided with the sealing rib 313 protruding from the sealing boss 31, the first inner sidewall 211 is correspondingly provided with the sealing groove 213 recessed toward the inside of the pole 2; or when only the second end face 312 is provided with the sealing rib 313 protruding from the sealing boss 31, the second inner side wall 212 is correspondingly provided with the sealing groove 213 recessed toward the inside of the pole 2; alternatively, when the first end face 311 and the second end face 312 are simultaneously provided with the seal rib 313 protruding from the seal boss 31, the first inner side wall 211 and the second inner side wall 212 are each provided with a seal groove 213 recessed toward the inside of the pole 2.
Further, as a specific example, as shown in fig. 2 and 3, the first end face 311 and the second end face 312 of the sealing boss 31 are simultaneously provided with the sealing rib 313 protruding from the sealing boss 31, and correspondingly, the first inner side wall 211 and the second inner side wall 212 of the inner wall of the mounting groove 21 are respectively provided with the sealing groove 213 recessed toward the inside of the pole 2, wherein the positions and the number of the sealing ribs 313 correspond to the positions and the number of the sealing grooves 213, the sealing rib 313 can be mounted in the sealing groove 213, and the outer surface of the sealing rib 313 is in full contact with the inner wall of the sealing groove 213.
In some embodiments of the present utility model, as shown in fig. 2 and 3, the seal rib 313 and the seal groove 213 are both annular, the seal rib 313 extending in the circumferential direction of the seal 3, and the seal groove 213 extending in the circumferential direction of the pole 2. Wherein, sealing rib 313 and seal groove 213 correspond along the circumference direction of sealing member 3 and utmost point post 2 respectively and extend, that is to say, the length that sealing rib 313 extends along sealing member 3 circumference direction is unanimous with the length that seal groove 213 extends along utmost point post 2 circumference direction, and optionally, sealing rib 313 and seal groove 213 all are constructed to closed loop structure, so set up, not only can improve sealing member 3 to the sealed effect of utmost point post 2, and assembly process is simple convenient moreover, be favorable to improving assembly efficiency, simultaneously, sealing rib 313 and seal groove 213's cooperation assembly is laminated completely, does not keep the space, can avoid external foreign matter or inside electrolyte to get into between casing and the utmost point post 2 and influence battery quality.
In some embodiments of the present utility model, as shown in fig. 2, the outer side wall of the sealing member 3 has a limiting groove 32 recessed toward the inside of the sealing member 3, and the housing 1 is inserted into the limiting groove 32 and abuts against the inner wall of the limiting groove 32.
Specifically, the limiting groove 32 has certain limiting effect on the shell 1, and the shell 1 is completely inserted in the limiting groove 32 and is abutted against the inner wall of the limiting groove 32, so that the limiting groove 32 can cover the shell 1, and the sealing element is completely attached to the shell, thereby not only improving the sealing performance, but also further reducing the possibility of contact between the shell 1 and the pole 2, thereby ensuring that the sealing element 3 can play a better insulating effect on the shell 1 and the pole 2, avoiding leakage caused by contact with the shell 1 in the discharging process of the pole 2, and improving the safety performance of the power battery 200.
In some embodiments of the present utility model, as shown in fig. 2, the limiting groove 32 is opposite to the sealing boss 31 and recessed into the sealing boss 31.
Specifically, the limiting groove 32 corresponds to the sealing boss 31 and is recessed into the sealing boss 31, the sealing boss 31 is installed in the installation groove 21, and the housing 1 is installed in the limiting groove 32, so that the uniformity of the horizontal directions of the housing 1, the sealing piece 3 and the pole 2 can be ensured, the assembly of the housing assembly 100 is facilitated, and the assembly efficiency of the whole power battery 200 is improved.
In some embodiments of the present utility model, as shown in fig. 5, the housing 1 has a fitting groove 12 recessed toward the inside of the housing 1, a bottom wall of the fitting groove 12 is provided with a post mounting hole 11 and is inserted into a limiting groove 32, and a side wall of the fitting groove 12 abuts against the seal member 3.
Specifically, the housing 1 has the assembly groove 12 recessed toward the inside of the housing 1, it should be noted that the assembly groove 12 is constructed as an open type, the bottom wall of the assembly groove 12 is provided with the post mounting hole 11, the inner side wall of the post mounting hole 11 is abutted with the bottom wall of the limit groove 32 so that the assembly groove 12 is completely inserted into the limit groove 32, meanwhile, the side wall of the assembly groove 12 is abutted with the outer side wall of the sealing member 3, thereby realizing complete coating of the assembly groove 12, further improving the isolation degree of the post 2 from the housing 1, further avoiding the possibility of contact between the housing 1 and the post 2, further avoiding electric leakage caused by contact with the housing 1 in the discharging process of the post 2, and further improving the safety performance of the power battery 200.
As shown in fig. 1, a power cell 200 according to an embodiment of the second aspect of the present utility model includes: the housing assembly 100 is the housing assembly 100 of the power battery 200 in the first embodiment, and the pole group 4 is disposed in the housing 1 and electrically connected with the pole 2 through the connecting piece 5, so as to output the electric quantity generated by the pole group 4 to the pole 2 through the connecting piece 5 and discharge through the pole 2.
According to the power battery 200 of the embodiment of the utility model, the above-mentioned housing assembly 100 is provided, the sealing member 3 is sleeved outside the pole 2 and is located between the pole 2 and the housing 1, wherein the outer side wall of the sealing member 3 is abutted against the housing 1, the inner side wall of the sealing member 3 is provided with the sealing boss 31, the sealing boss 31 is installed in the installation groove 21 of the pole 2 and is abutted against the inner wall of the installation groove 21, thereby realizing complete isolation between the pole 2 and the housing 1, and external foreign matters or internal electrolyte can be prevented from entering between the housing and the pole 2, so that the service performance of the battery can be improved, meanwhile, the sealing member 3 can play an insulating role when the pole 2 and the housing 1 are completely isolated, so that leakage of electricity from the pole 2 to the housing 1 is prevented, safety performance is improved, and sealing and insulating functions can be realized through one sealing member 3, without additionally installing insulating parts, and installation process is simplified, and in addition, the contact area between the inner wall of the installation groove 21 and the outer surface of the sealing boss 31 can be improved by correspondingly arranging the first sealing structure and the second sealing structure.
The energy storage device according to the embodiment of the third aspect of the present utility model includes the power cell 200 in the embodiment of the second aspect.
According to the energy storage device of the embodiment of the utility model, the sealing member 3 is sleeved outside the pole 2 and is positioned between the pole 2 and the housing 1 by the power battery 200, wherein the outer side wall of the sealing member 3 is abutted against the housing 1, the inner side wall of the sealing member 3 is provided with the sealing boss 31, the sealing boss 31 is arranged in the mounting groove 21 of the pole 2 and is abutted against the inner wall of the mounting groove 21, so that the complete isolation between the pole 2 and the housing 1 is realized, external foreign matters or internal electrolyte can be prevented from entering between the housing and the pole 2, the service performance of the battery can be improved, meanwhile, the sealing member 3 can play an insulating role when the pole 2 and the housing 1 are completely isolated, the leakage of the pole 2 to the housing 1 is avoided, the safety performance is improved, the sealing and insulating functions can be realized by one sealing member 3, the mounting process is not required to be additionally arranged, the mounting efficiency is improved, and in addition, the contact area between the inner wall of the mounting groove 21 and the outer surface of the sealing boss 31 can be improved by correspondingly arranging the first sealing structure and the second sealing structure.
It should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., 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 utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. 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 utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A housing assembly (100) of a power cell (200), comprising:
a housing (1), the housing (1) having a pole mounting hole (11) penetrating the housing (1);
the pole column (2), the pole column (2) is arranged in the pole column mounting hole (11), the outer side wall of the pole column (2) is provided with a mounting groove (21) which is recessed towards the inside of the pole column (2), and the inner wall of the mounting groove (21) is provided with a first sealing structure;
sealing member (3), sealing member (3) cover is established the outside of utmost point post (2) just is located utmost point post (2) with between shell (1), shell (1) with sealing member (3) butt, the inside wall of sealing member (3) has sealed boss (31), sealed boss (31) install in mounting groove (21) and with the inner wall butt of mounting groove (21), the surface of sealed boss (31) has second seal structure, first seal structure with second seal structure butt is sealed.
2. The housing assembly (100) of a power cell (200) according to claim 1, wherein the mounting groove (21) is an annular groove and extends in the circumferential direction of the pole (2), and the sealing boss (31) is an annular boss and extends in the circumferential direction of the seal (3).
3. The housing assembly (100) of a power cell (200) of claim 1, wherein the second sealing structure is one of a sealing rib (313) and a sealing groove (213), and the first sealing structure is the other of the sealing rib (313) and the sealing groove (213), the sealing rib (313) being mounted within the sealing groove (213) and in contact with an inner wall of the sealing groove (213).
4. A housing assembly (100) of a power cell (200) according to claim 3, wherein the inner wall of the mounting groove (21) comprises a first inner side wall (211) and a second inner side wall (212) arranged opposite each other, the sealing boss (31) has a first end face (311) and a second end face (312) opposite each other, the first end face (311) and the second end face (312) correspond to the first inner side wall (211) and the second inner side wall (212), respectively, the first end face (311) and/or the second end face (312) has sealing ribs (313) protruding the sealing boss (31), and the first inner side wall (211) and/or the second inner side wall (212) has sealing grooves (213) recessed into the pole (2).
5. A housing assembly (100) of a power cell (200) according to claim 3, wherein the sealing rib (313) and the sealing groove (213) are both annular, the sealing rib (313) extending in the circumferential direction of the seal (3), the sealing groove (213) extending in the circumferential direction of the pole (2).
6. The housing assembly (100) of a power cell (200) according to any of claims 1-5, wherein an outer side wall of the seal (3) has a limit groove (32) recessed into the seal (3), and the housing (1) is inserted into the limit groove (32) and abuts against an inner wall of the limit groove (32).
7. The housing assembly (100) of a power cell (200) of claim 6, wherein the limiting groove (32) is opposite the sealing boss (31) and recessed into the sealing boss (31).
8. The housing assembly (100) of a power cell (200) according to claim 6, wherein the housing (1) has an assembly groove (12) recessed into the housing (1), a bottom wall of the assembly groove (12) is provided with the post mounting hole (11) and inserted into the limit groove (32), and a side wall of the assembly groove (12) abuts against the seal member (3).
9. A power cell (200), characterized by comprising:
a housing assembly (100), the housing assembly (100) being a housing assembly (100) of a power cell (200) according to any one of claims 1-8;
the pole group (4) is arranged in the shell (1) and is electrically connected with the pole column (2).
10. An energy storage device, characterized in that it comprises a power cell (200) according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223148278.2U CN219067011U (en) | 2022-11-25 | 2022-11-25 | Power battery and shell assembly and energy storage device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223148278.2U CN219067011U (en) | 2022-11-25 | 2022-11-25 | Power battery and shell assembly and energy storage device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219067011U true CN219067011U (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223148278.2U Active CN219067011U (en) | 2022-11-25 | 2022-11-25 | Power battery and shell assembly and energy storage device thereof |
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| Country | Link |
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| CN (1) | CN219067011U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116914384A (en) * | 2023-09-08 | 2023-10-20 | 常州武进中瑞电子科技股份有限公司 | Anti-tilting structure and lithium battery |
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2022
- 2022-11-25 CN CN202223148278.2U patent/CN219067011U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116914384A (en) * | 2023-09-08 | 2023-10-20 | 常州武进中瑞电子科技股份有限公司 | Anti-tilting structure and lithium battery |
| CN116914384B (en) * | 2023-09-08 | 2024-04-19 | 常州武进中瑞电子科技股份有限公司 | Anti-tilting structure and lithium battery |
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