CN219979683U - Shell sealing structure of battery module - Google Patents
Shell sealing structure of battery module Download PDFInfo
- Publication number
- CN219979683U CN219979683U CN202320597515.9U CN202320597515U CN219979683U CN 219979683 U CN219979683 U CN 219979683U CN 202320597515 U CN202320597515 U CN 202320597515U CN 219979683 U CN219979683 U CN 219979683U
- Authority
- CN
- China
- Prior art keywords
- side plate
- plate
- sealant
- side plates
- hole
- 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.)
- Active
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 24
- 239000000565 sealant Substances 0.000 claims abstract description 32
- 238000002347 injection Methods 0.000 abstract description 6
- 239000007924 injection Substances 0.000 abstract description 6
- 239000000243 solution Substances 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 238000003466 welding Methods 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Abstract
The utility model discloses a shell sealing structure of a battery module, wherein the shell comprises a plurality of first side plates and an upper cover, the upper cover comprises a cover plate and a plurality of second side plates fixedly connected with the cover plate, the second side plates are positioned at the outer sides of the first side plates, the shell sealing structure also comprises an annular baffle, the inner walls of the annular baffle are connected with the outer walls of the first side plates, and the outer walls of the annular baffle are connected with the inner walls of the second side plates; the first side plate, the second side plate and the annular baffle plate are surrounded to form a cavity, and the cavity is filled with sealant. In the utility model, the sealant is filled into the cavity to enhance the sealing performance between the first side plate and the second side plate, and when the sealant is filled, the annular baffle plate is used as the bottom of the sealant injection groove to block the sealant, so that the sealant is prevented from flowing out from between the first side plate and the second side plate, and the problems that the sealing performance is poor and the sealant is difficult to clean when flowing out from between the first side plate and the second side plate and flowing to other positions are solved.
Description
Technical Field
The utility model relates to the technical field of batteries, in particular to a shell sealing structure of a battery module.
Background
A battery module is a large-capacity device storing electricity formed by combining a plurality of battery cells mounted in a case. The shell comprises a bottom plate, a plurality of first side plates and an upper cover, wherein the upper cover comprises a cover plate and a plurality of second side plates, and the cover plate and the second side plates are all made of metal materials.
However, in order to achieve good sealability of the battery module, the sealant is generally filled between the first side plate and the second side plate, and the sealant easily flows out from between the first side plate and the second side plate during the sealant filling, so that the sealant between the first side plate and the second side plate is insufficient; the sealant is adhered to other parts after flowing out, needs to be cleaned later, and is time-consuming, labor-consuming and poor in sealing effect. Meanwhile, the first side plate and the second side plate are riveted, a gap exists between the rivet and the riveting hole, and accordingly sealing performance is further reduced.
Disclosure of Invention
The utility model aims to solve the technical problems of the prior art, such as poor sealing performance of a shell in the prior art.
The technical scheme adopted by the utility model for solving the technical problems is that the shell sealing structure of the battery module comprises a plurality of first side plates and an upper cover, wherein the upper cover comprises a cover plate and a plurality of second side plates fixedly connected with the cover plate, the second side plates are positioned on the outer sides of the first side plates, the shell sealing structure also comprises an annular baffle, the inner walls of the annular baffle are connected with the outer walls of the first side plates, and the outer walls of the annular baffle are connected with the inner walls of the second side plates;
the first side plate, the second side plate and the annular baffle plate are surrounded to form a cavity, and sealant is filled in the cavity.
Further, the first side plate is fixedly connected with the second side plate through rivets.
Further, at least one first through hole is formed in the first side plate, and at least one second through hole is formed in the second side plate;
and a gasket is further arranged between the first side plate and the second side plate, a third through hole is formed in the middle of the gasket, and the rivet sequentially penetrates through the second through hole, the third through hole and the first through hole.
Further, the diameter of the third through hole is larger than that of the rivet, and sealant is filled between the gasket and the rivet.
Further, the plurality of first side plates includes a first front side plate and a first rear side plate at opposite ends, and a first left side plate and a first right side plate at opposite sides;
the plurality of second side plates includes a second front side plate and a second rear side plate at opposite ends, and a second left side plate and a second right side plate at opposite sides;
three rivets are uniformly arranged on the first front side plate and the second front side plate, three rivets are uniformly arranged on the first rear side plate and the second rear side plate, two rivets are uniformly arranged on the first left side plate and the second left side plate, and two rivets are uniformly arranged between the first right side plate and the second right side plate.
Further, a plurality of first side plates are welded and sealed.
Further, the device also comprises a bottom plate, wherein the bottom plate is welded and sealed with the plurality of first side plates.
Compared with the prior art, the utility model has at least the following beneficial effects:
(1) An annular baffle plate is additionally arranged between the first side plate and the second side plate, so that an adhesive injection groove (cavity) is formed among the annular baffle plate, the first side plate and the second side plate, and sealant is filled in the adhesive injection groove to enhance the tightness between the first side plate and the second side plate. When packing the sealant, annular separation blade is used as the bottom of injecting glue groove, plays the barrier effect to the sealant, prevents to flow out between sealant follow first curb plate and the second curb plate, has solved because of the sealant flows out between first curb plate and the second curb plate and causes the leakproofness not good to and the sealant flows to other positions and be difficult to the problem of clearance.
(2) A plurality of washers are further arranged between the first side plate and the second side plate, the rivet penetrates through the third through hole in the middle of the washer, and the space between the washer and the rivet is filled with sealant, so that water and dust are prevented from flowing in from a gap at the riveting position, and the sealing performance at the riveting position is enhanced.
Drawings
FIG. 1 is a schematic view of a structure of a housing in an embodiment;
FIG. 2 is a schematic view of the structure of the housing with the upper cover removed in the embodiment;
FIG. 3 is a schematic view of the structure of the upper cover in the embodiment;
FIG. 4 is a cross-sectional view of the embodiment where the first side plate and the second side plate are riveted;
in the figure:
100. an upper cover; 110. a cover plate; 120. a second side plate; 121. a second through hole;
200. a first side plate; 210. a first through hole;
300. a bottom plate;
400. an annular baffle; 410. a cavity;
500. a gasket; 510. a third through hole;
600. and (5) a rivet.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Referring to fig. 1-4, the present utility model discloses a housing sealing structure of a battery module, wherein the housing comprises a plurality of first side plates 200 and an upper cover 100, the upper cover 100 comprises a cover plate 110 and a plurality of second side plates 120 fixedly connected with the cover plate 110, the second side plates 120 are positioned outside the first side plates 200, and further comprises an annular baffle, an inner wall of the annular baffle is connected with an outer wall of the first side plates 200, and an outer wall of the annular baffle is connected with an inner wall of the second side plates 120;
the first side plate 200, the second side plate 120 and the annular retainer are surrounded to form a cavity 410, and the cavity 410 is filled with sealant.
Specifically, in the present utility model, an annular baffle 400 is added between the first side plate 200 and the second side plate 120, so that an adhesive injection groove (cavity 410) is formed between the annular baffle 400 and the first side plate 200 and the second side plate 120, and sealant is filled in the adhesive injection groove, so as to enhance the tightness between the first side plate 200 and the second side plate 120. When filling the sealant, the annular baffle 400 is used as the bottom of the glue injection groove, plays a blocking role on the sealant, prevents the sealant from flowing out from between the first side plate 200 and the second side plate 120, and solves the problems that the sealing performance is poor and the sealant flows to other positions and is difficult to clean due to the fact that the sealant flows out from between the first side plate 200 and the second side plate 120.
Further, the first side plate 200 is fixedly connected with the second side plate 120 by a rivet 600.
Further, the first side plate 200 is provided with at least one first through hole 210, and the second side plate 120 is provided with at least one second through hole 121;
a gasket 500 is further disposed between the first side plate 200 and the second side plate 120, a third through hole 510 is formed in the middle of the gasket 500, and the rivet 600 sequentially passes through the second through hole 121, the third through hole 510 and the first through hole 210.
Further, the diameter of the third through hole 510 is larger than that of the rivet 600, and a sealant is filled between the gasket 500 and the rivet 600.
Specifically, a plurality of washers 500 are further provided between the first and second side plates 200 and 120, the rivet 600 passes through the third through-hole 510 in the middle of the washers 500, and a sealant is filled in the space between the washers 500 and the rivet 600, thereby preventing water and dust from flowing in from the gap of the rivet joint, and enhancing the sealability of the rivet joint.
Further, the plurality of first side plates 200 includes a first front side plate and a first rear side plate at opposite ends, and a first left side plate and a first right side plate at opposite sides;
the plurality of second side plates 120 includes a second front side plate and a second rear side plate at opposite ends, and a second left side plate and a second right side plate at opposite sides;
three rivets 600 are uniformly arranged on the first front side plate and the second front side plate, three rivets 600 are uniformly arranged on the first rear side plate and the second rear side plate, two rivets 600 are uniformly arranged on the first left side plate and the second left side plate, and two rivets 600 are uniformly arranged between the first right side plate and the second right side plate.
Further, a plurality of the first side plates 200 are welded with each other.
Specifically, the plurality of first side plates 200 are fully welded, which is also called "full welding", that is, all the contact positions of two adjacent first side plates 200 are welded, so that gaps between the plurality of first side plates 200 are eliminated, and the sealing performance of the welding positions of the plurality of first side plates 200 is enhanced.
Further, a bottom plate 300 is further included, and a seal is welded between the bottom plate 300 and the plurality of first side plates 200.
Similarly, the full welding between the bottom plate 300 and the first side plate 200 may also eliminate the gap between the bottom plate 300 and the first side plate 200, and enhance the sealing between the first side plate 200 and the bottom plate 300.
It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.
Furthermore, descriptions such as those referred to herein as "first," "second," "a," and the like are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or an implicit indication of the number of features being indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical solutions of the embodiments of the present utility model may be combined with each other, but it is necessary to be based on the fact that those skilled in the art can implement the technical solutions, and when the technical solutions are contradictory or cannot be implemented, the combination of the technical solutions should be considered as not existing, and not falling within the scope of protection claimed by the present utility model.
Claims (7)
1. The shell sealing structure of the battery module comprises a plurality of first side plates and an upper cover, wherein the upper cover comprises a cover plate and a plurality of second side plates fixedly connected with the cover plate, and the second side plates are positioned on the outer sides of the first side plates;
the first side plate, the second side plate and the annular baffle plate are surrounded to form a cavity, and sealant is filled in the cavity.
2. The case sealing structure of a battery module according to claim 1, wherein the first side plate is fixedly connected with the second side plate by rivets.
3. The housing sealing structure of a battery module according to claim 2, wherein the first side plate is provided with at least one first through hole, and the second side plate is provided with at least one second through hole;
and a gasket is further arranged between the first side plate and the second side plate, a third through hole is formed in the middle of the gasket, and the rivet sequentially penetrates through the second through hole, the third through hole and the first through hole.
4. The case sealing structure of a battery module according to claim 3, wherein the diameter of the third through-hole is larger than the diameter of the rivet, and a sealant is filled between the gasket and the rivet.
5. The case sealing structure of a battery module according to claim 2, wherein the plurality of first side plates includes a first front side plate and a first rear side plate at opposite ends, and a first left side plate and a first right side plate at opposite sides;
the plurality of second side plates includes a second front side plate and a second rear side plate at opposite ends, and a second left side plate and a second right side plate at opposite sides;
three rivets are uniformly arranged on the first front side plate and the second front side plate, three rivets are uniformly arranged on the first rear side plate and the second rear side plate, two rivets are uniformly arranged on the first left side plate and the second left side plate, and two rivets are uniformly arranged between the first right side plate and the second right side plate.
6. The case sealing structure of a battery module according to claim 1, wherein a plurality of the first side plates are welded and sealed.
7. The case sealing structure of a battery module according to claim 1, further comprising a bottom plate, wherein the bottom plate is welded and sealed with the plurality of first side plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320597515.9U CN219979683U (en) | 2023-03-23 | 2023-03-23 | Shell sealing structure of battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320597515.9U CN219979683U (en) | 2023-03-23 | 2023-03-23 | Shell sealing structure of battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219979683U true CN219979683U (en) | 2023-11-07 |
Family
ID=88578321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320597515.9U Active CN219979683U (en) | 2023-03-23 | 2023-03-23 | Shell sealing structure of battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219979683U (en) |
-
2023
- 2023-03-23 CN CN202320597515.9U patent/CN219979683U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR102164008B1 (en) | Battery module and vehicle including the same | |
| CN211629192U (en) | Battery box body for battery pack and battery pack | |
| CN219979683U (en) | Shell sealing structure of battery module | |
| US20230082924A1 (en) | Battery pack housing, battery pack, and electric vehicle | |
| CN209526124U (en) | Power battery top cover and power battery | |
| CN116780020A (en) | Battery pack and energy storage device | |
| CN207009494U (en) | A kind of AGM valve-regulated lead-acid batteries sealing structure | |
| CN210628405U (en) | Sealing plug for liquid injection port of cover plate | |
| CN212571121U (en) | Battery box and power battery | |
| CN214957157U (en) | Fireproof battery pack and battery module | |
| CN211641861U (en) | Bottom plate structure and lower shell | |
| CN210984854U (en) | Battery tip five metals paster electrode structure | |
| CN202888253U (en) | Battery cover structure of colloid lead-acid storage battery | |
| CN219163501U (en) | Battery pack and power device | |
| CN219759787U (en) | Battery box and battery device | |
| KR20230010249A (en) | Battery cell assemblies, batteries, battery packs and vehicles | |
| CN208315621U (en) | Cap assembly, battery and the battery modules of battery | |
| CN220324644U (en) | Battery, battery pack and power equipment | |
| CN113644368A (en) | Battery box body for battery pack and battery pack | |
| CN218005050U (en) | Square battery cover plate and square battery | |
| CN220021464U (en) | Cover plate assembly for battery pack, box, battery pack and vehicle with battery pack | |
| CN219476947U (en) | Seal assembly | |
| CN214378731U (en) | Battery integral valve | |
| CN216773393U (en) | Battery box sealing structure and battery pack | |
| CN218896777U (en) | Explosion-proof valve assembly, battery cover plate and battery with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |