CN218975704U - Battery pack explosion-proof valve mounting structure and battery pack - Google Patents
Battery pack explosion-proof valve mounting structure and battery pack Download PDFInfo
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- CN218975704U CN218975704U CN202121981601.7U CN202121981601U CN218975704U CN 218975704 U CN218975704 U CN 218975704U CN 202121981601 U CN202121981601 U CN 202121981601U CN 218975704 U CN218975704 U CN 218975704U
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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 application relates to the technical field of batteries, in particular to a battery pack explosion-proof valve mounting structure and a battery pack. The battery pack explosion-proof valve mounting structure comprises a connecting sleeve, wherein the connecting sleeve is arranged on the boundary beam of one side of the lower shell of the battery pack in a penetrating way so as to communicate the inside and the outside of the battery pack through the connecting sleeve; one end of the connecting sleeve, which faces the outside of the battery pack, is provided with a connecting piece matched with the connecting structure of the explosion-proof valve, so as to be used for installing the explosion-proof valve; therefore, the explosion-proof valve is arranged on the boundary beam of the battery pack by arranging the connecting sleeve on the boundary beam of the lower shell; compared with the traditional method that a plurality of connecting holes are formed in the side beam of the battery pack so as to be connected with bolts on the flange of the explosion-proof valve, the connecting sleeve is smaller in diameter and occupies smaller space, so that the side beam of the lower shell is smaller in height, the battery pack is smaller in height, and the energy density of the battery pack is further improved.
Description
Technical Field
The application relates to the technical field of batteries, in particular to a battery pack explosion-proof valve mounting structure and a battery pack.
Background
The battery pack is a heavy-pressure component part of the energy automobile, and along with the rising of new energy automobiles, the energy density of the battery pack is improved, and the development of a low-cost power battery pack becomes a thermoelectric problem in the current research. In order to improve the energy density of the battery pack, a single-layer module tiling scheme is adopted from the aspect of reducing the whole pack height, and the upper shell of the battery pack is arranged to be of a flat plate type structure, so that an explosion-proof valve of the battery pack cannot be arranged on the upper shell, and the explosion-proof valve is required to be arranged on the side wall of the lower shell of the battery pack; for example, in patent document CN214378733U, a battery pack case and a battery pack are disclosed, in which a flat plate type upper case is mounted on a lower case of a case body, an explosion-proof valve is mounted on a side beam of the lower case, and the explosion-proof valve adopts a flange-like connection structure, that is, a plurality of connection holes are provided on the case of the explosion-proof valve along the circumferential direction thereof, and a mounting hole is provided on the side beam at a position opposite to each connection hole for penetrating a fastener. However, the installation space occupied by the installation mode is large, the height of the lower shell is severely limited, and the height of the battery pack cannot be further reduced.
Disclosure of Invention
The utility model aims to provide a battery pack explosion-proof valve mounting structure and a battery pack, which are used for reducing the height of a lower shell of the battery pack to a certain extent and enabling an explosion-proof valve to be mounted on a boundary beam of the lower shell.
The utility model provides a battery pack explosion-proof valve mounting structure, which is used for mounting an explosion-proof valve on a lower shell of a battery pack; the battery pack explosion-proof valve mounting structure comprises a connecting sleeve;
the connecting sleeve is arranged on the boundary beam of the lower shell in a penetrating way so as to communicate the inside and the outside of the battery pack through the connecting sleeve;
the connecting sleeve is provided with a connecting piece, and the connecting piece is used for being connected with the explosion-proof valve.
Further, the explosion-proof valve is provided with an external thread connecting part, and the connecting piece is an internal thread connecting part formed on the inner wall of the connecting sleeve;
the internal thread connecting part is matched with the external thread connecting part, so that the explosion-proof valve is in threaded connection with the connecting sleeve.
Further, the side beam of the lower shell is hollow, and the side walls at two ends of the side beam in the width direction are a first side wall and a second side wall;
the first side wall is provided with a first through hole, the second side wall is provided with a second through hole, the first through hole and the second through hole are positioned on the same axis, and the first through hole and the second through hole are matched with the connecting sleeve, so that two ends of the connecting sleeve can pass through the side beam through the first through hole and the second through hole respectively.
Further, the first side wall faces the inside of the battery pack, and one end of the connecting sleeve, which faces the inside of the battery pack, is flush with the first side wall and welded.
Further, the second side wall faces the outside of the battery pack, a flanging part is formed at one end of the connecting sleeve, facing the outside of the battery pack, the flanging part abuts against the second side wall, and the edge of the flanging part is welded with the second side wall.
Further, an annular first sealing groove is formed in the end face, facing one end of the second side wall, of the flanging part, a first sealing ring is arranged in the first sealing groove, and the first sealing ring can be clamped between the flanging part and the second side wall.
Further, the quantity of connecting sleeve is a plurality of, and a plurality of connecting sleeve is followed the length direction interval setting of boundary beam.
Further, the explosion-proof valve is formed with an end cap at an end portion of the male screw connection portion, the end cap being capable of abutting against the burring portion.
Further, an annular second sealing groove is formed in the end face, facing one end of the flanging part, of the end cap, and a second sealing ring is arranged in the second sealing groove and can be clamped between the end cap and the flanging part.
The utility model also provides a battery pack, which comprises the battery pack explosion-proof valve mounting structure.
Compared with the prior art, the utility model has the beneficial effects that:
the battery pack explosion-proof valve mounting structure provided by the utility model comprises the connecting sleeve, wherein the connecting sleeve is hollow, so that two ends of the connecting sleeve in the length direction are communicated and have a preset flow area. The connecting sleeve is arranged on the boundary beam at one side of the lower shell of the battery pack, and one end of the connecting sleeve in the length direction penetrates through the boundary beam and stretches into the battery pack, so that the connecting sleeve is communicated with the inside of the battery pack, and gas in the battery pack can enter the connecting sleeve. The other end of the connecting sleeve in the length direction faces to the environment outside the battery pack, a connecting piece is arranged at one end of the connecting sleeve in the length direction facing to the outside of the battery pack, and the connecting piece is matched with the connecting structure of the explosion-proof valve, so that the explosion-proof valve can be connected with the connecting sleeve, the explosion-proof valve is arranged on the side beam of the lower shell of the battery pack through the connecting sleeve, and the explosion-proof valve is communicated with the inside of the battery pack through the connecting sleeve; when the pressure in the battery pack reaches the opening pressure of the explosion-proof valve, the explosion-proof valve is opened, and gas in the battery pack can be discharged to the outside of the battery pack through the connecting sleeve and the explosion-proof valve, so that the safe use of the battery pack is ensured.
Therefore, the connecting sleeve is arranged on the boundary beam of the battery pack, so that the connecting sleeve is communicated with the internal environment and the external environment of the battery pack, and a connecting piece used for being connected with the explosion-proof valve is arranged on the connecting sleeve, so that the explosion-proof valve is arranged on the boundary beam of the battery pack; compared with the traditional method that a plurality of connecting holes are formed in the side beam of the battery pack so as to be connected with bolts on the flange of the explosion-proof valve, the connecting sleeve is smaller in diameter and occupies smaller space, so that the side beam of the lower shell is smaller in height, the battery pack is smaller in height, and the energy density of the battery pack is further improved.
The utility model also provides a battery pack, which comprises the battery pack explosion-proof valve mounting structure, so that the battery pack also has the beneficial effect of the battery pack explosion-proof valve mounting structure.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of a part of a battery pack according to an embodiment of the present utility model;
fig. 2 is a schematic structural diagram of an edge beam and an explosion-proof valve of a battery pack according to an embodiment of the present utility model under a first view angle;
fig. 3 is a schematic structural diagram of an edge beam and an explosion-proof valve of a battery pack according to an embodiment of the present utility model under a second view angle;
fig. 4 is a schematic structural diagram of an edge beam and an explosion-proof valve of a battery pack according to an embodiment of the present utility model under a third view angle.
Reference numerals:
1-side beam, 11-first lateral wall, 12-second lateral wall, 2-connecting sleeve, 21-turn-ups portion, 3-explosion-proof valve, 31-external screw connection portion, 32-end cap, 4-battery package.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown.
The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model.
All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; 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.
A battery pack explosion-proof valve mounting structure and a battery pack according to some embodiments of the present application are described below with reference to fig. 1 to 4.
The application provides a battery package explosion-proof valve mounting structure, sets up on the boundary beam 1 of the lower casing of battery package 4 to be used for installing the explosion-proof valve 3 of battery package 4 on the boundary beam 1 of the lower casing of battery package 4.
As shown in fig. 1 and 2, the battery pack explosion-proof valve mounting structure includes a connection sleeve 2, the inside of which is hollow, so that both ends of the connection sleeve 2 in the length direction are communicated and have a predetermined flow area. The connecting sleeve 2 is arranged on the side beam 1 of one side of the lower shell of the battery pack 4, and one end of the connecting sleeve 2 in the length direction penetrates through the side beam 1 and stretches into the battery pack 4, so that the connecting sleeve 2 is communicated with the battery pack 4, and gas in the battery pack 4 can enter the connecting sleeve 2.
The other end of the connecting sleeve 2 in the length direction faces the environment outside the battery pack 4, a connecting piece is arranged at one end of the connecting sleeve 2 in the length direction facing the outside of the battery pack 4, and the connecting piece is matched with the connecting structure of the explosion-proof valve 3 so that the explosion-proof valve 3 can be connected with the connecting sleeve 2, and therefore the explosion-proof valve 3 is installed on the boundary beam 1 of the lower shell of the battery pack 4 through the connecting sleeve 2, and the explosion-proof valve 3 is communicated with the inside of the battery pack 4 through the connecting sleeve 2; when the pressure inside the battery pack 4 reaches the opening pressure of the explosion-proof valve 3, the explosion-proof valve 3 is opened, and the gas inside the battery pack 4 can be discharged to the outside of the battery pack 4 through the connecting sleeve 2 and the explosion-proof valve 3, so that the safe use of the battery pack 4 is ensured.
Therefore, by providing the connection sleeve 2 on the side rail 1 of the battery pack 4, the connection sleeve 2 communicates the internal environment and the external environment of the battery pack 4, and a connection member for connecting with the explosion-proof valve 3 is provided on the connection sleeve 2 to mount the explosion-proof valve 3 on the side rail 1 of the battery pack 4 through the connection sleeve 2; compared with the traditional method that a plurality of connecting holes are directly formed in the side beam 1 of the battery pack 4 to be connected with bolts on the flange structure of the explosion-proof valve 3, the connecting sleeve 2 has smaller diameter, and the occupied space of the side beam 1 is smaller, so that the side beam 1 of the lower shell can have smaller height, the battery pack 4 has smaller height, and the energy density of the battery pack 4 is further improved.
In this embodiment, when the connection structure of the explosion-proof valve 3 is a flange structure, one end of the connection sleeve 2 located outside the battery pack 4 is provided with a flange plate adapted to the flange structure of the explosion-proof valve 3, that is, the connection piece provided on the connection sleeve is the flange plate, so that the explosion-proof valve 3 can be connected with the connection sleeve 2 through the flange plate, and then the explosion-proof valve 3 is mounted to the battery pack 4, so that the gas inside the battery pack 4 is unloaded when the inside of the battery pack 4 is overpressurized, and thus the connection sleeve 2 with the flange plate is provided on the side beam 1 of the battery pack 4 to be connected with the explosion-proof valve 3, so that the explosion-proof valve 3 does not need to be directly mounted on the side beam 1 of the battery pack 4, the height of the side beam 1 does not need to be larger than the path of the flange structure of the explosion-proof valve 3, and the height of the side beam 1 can be greatly reduced, the battery pack 4 can have smaller height, and the energy density of the battery pack 4 can be increased.
In one embodiment of the present application, as shown in fig. 2, the explosion-proof valve 3 may be preferably a screw-type connection structure of the explosion-proof valve 3, that is, the connection structure of the explosion-proof valve 3 is an external screw-type connection portion 31 having external screw threads, so that the explosion-proof valve 3 may be installed through screw connection. The connecting piece of the connecting sleeve 2 is an internal thread connecting part, and the internal thread connecting part of the connecting sleeve 2 is matched with the external thread connecting part 31 of the explosion-proof valve 3, so that the explosion-proof valve 3 can be in threaded connection with the connecting sleeve 2.
Preferably, the connection member may also be an internal screw connection portion formed on the inner wall of the connection sleeve 2, and the internal screw connection portion may be provided only at one end of the connection sleeve 2 toward the outside of the battery pack 4, as long as the length of the internal screw connection portion is ensured to satisfy the installation strength of the explosion-proof valve 3; the internal screw connection portion may also extend from one end of the connection sleeve 2 in the length direction to the other end in the length direction to ensure that the explosion-proof valve 3 can be stably screw-connected in the connection sleeve 2. Therefore, through arranging the internal thread connecting part matched with the external thread connecting part 31 of the explosion-proof valve 3 on the inner wall of the connecting sleeve 2, stable installation of the explosion-proof valve 3 can be ensured, and the space outside the battery pack 4 occupied by installing the explosion-proof valve 3 is reduced to a certain extent.
Preferably, the connecting piece is hollow cylinder, and one end of connecting piece is linked together with the outside one end of connecting sleeve 2 towards battery package 4, and the internal thread of the external screw thread connecting portion 31 looks adaptation with explosion-proof valve 3 is seted up on the inner wall of hollow cylindric connecting piece to make explosion-proof valve 3 can with the connecting piece looks spiro union. Preferably, the connection member is a nut provided at an end of the connection sleeve 2 for mounting the explosion-proof valve 3.
In this embodiment, preferably, as shown in fig. 1, the number of the connection sleeves 2 is plural, and the plural connection sleeves 2 are provided on the side rail 1 of the lower case of the battery pack 4 at intervals in the longitudinal direction of the side rail 1; the number of the explosion-proof valves 3 is also a plurality, and the explosion-proof valves 3 are in one-to-one correspondence with the connecting sleeves 2, namely, each connecting sleeve 2 is provided with one explosion-proof valve 3, and the explosion-proof valves 3 form a pressure relief system; therefore, the pressure release capability of the pressure release system is improved and the safety performance of the battery pack 4 is improved by arranging the plurality of connecting sleeves 2 for installing the plurality of explosion-proof valves 3.
In this embodiment, as shown in fig. 2, due to the adoption of the explosion-proof valve 3 with the threaded connection structure, compared with the explosion-proof valve 3 with the flange connection structure, the size of the opening of the explosion-proof valve 3 for discharging gas can be maximized under the condition of smaller installation space, so that the pressure release capability of a single explosion-proof valve 3 is improved, the number of the explosion-proof valves 3 in the pressure release system can be reduced, and the protection cost of thermal runaway of the battery pack 4 is reduced.
In this embodiment, the explosion-proof valve 3 is preferably an explosion-proof valve 3 of model PBALM40 x 1.5-15.
In one embodiment of the present application, preferably, the connection sleeve 2 is welded with the side beam 1 of the lower casing of the battery pack 4, and the welding between the connection sleeve 2 and the side beam 1 is full-welded, so as to ensure the connection strength between the connection sleeve 2 and the side beam 1 of the lower casing, and the situation of air leakage between the side beam 1 and the connection sleeve 2 is avoided, so that the sealing reliability of the battery pack 4 is ensured, and the safety performance of the battery pack 4 is improved.
In this embodiment, preferably, as shown in fig. 2 to 4, the side sill 1 for mounting the explosion-proof valve 3 in the lower case of the battery pack 4 is a hollow rectangular square tube, the side sill 1 includes a first side wall 11 and a second side wall 12 disposed opposite to each other at a spacing, and the first side wall 11 is located on a side toward the inside of the battery pack 4, and the second side wall 12 is located on a side toward the outside of the battery pack 4. The first side wall 11 is provided with a first through hole, and the first through hole is matched with the connecting sleeve 2, so that the connecting sleeve 2 can pass through the first side wall 11 through the first through hole; the second side wall 12 is provided with a second through hole which is also matched with the connecting sleeve 2, so that the connecting sleeve 2 can pass through the second side wall 12 through the second through hole; the first through hole and the second through hole are positioned on the same axis; so that the connecting sleeve 2 can be arranged on the boundary beam 1 in a penetrating way through the first through hole and the second through hole, one end of the connecting sleeve 2 in the length direction is arranged on the first side wall 11 in a penetrating way through the first through hole and is connected with the first side wall 11 in a welding way, and the other end of the connecting sleeve 2 in the length direction is arranged on the second side wall 12 in a penetrating way through the second through hole and is connected with the second side wall 12 in a welding way. Preferably, the welded connection of the connecting sleeve 2 and the first side wall 11 and the second side wall 12 is full welded, so that the sealing reliability of the connection of the connecting sleeve 2 and the boundary beam 1 is ensured, and the safety performance of the battery pack 4 is improved.
In this embodiment, preferably, as shown in fig. 3, the end of the connection sleeve 2 facing the inside of the battery pack 4 passes through the first side wall 11 through the first through hole, and the end of the connection sleeve 2 is flush with the end face of the end of the first side wall 11 facing the inside of the battery pack 4, i.e., the connection sleeve 2 does not protrude to the inside of the battery pack 4, thereby avoiding interference of the portion of the connection sleeve 2 protruding from the side rail 1 with the internal members of the battery pack 4; and adopt full-weld welding between connecting sleeve 2 and the first lateral wall 11, also can avoid when carrying out the partial pressure release to battery package 4 that the inside gas of battery package 4 gets into the inside of the die cavity of boundary beam 1, be unfavorable for the pressure release of battery package 4.
In this embodiment, preferably, as shown in fig. 2, one end of the connection sleeve 2 facing the outside of the battery pack 4 is provided with a burring 21, and the burring 21 is perpendicular to the connection sleeve 2; when the other end of the connecting sleeve 2 sequentially passes through the second side wall 12 and the first side wall 11 and is flush with the first side wall 11, the flanging part 21 of the connecting sleeve 2 can abut against the end face of one end, facing the outside of the battery pack 4, of the second side wall 12, and then the edge of the flanging part 21 is fully welded on the second side wall 12, so that the sealing reliability of the battery pack 4 is improved, and the safety performance of the battery pack 4 is improved.
Preferably, an annular first sealing groove (not shown) is formed in an end surface of the end of the flange portion 21 facing the second side wall 12, and a first sealing ring is filled in the first sealing groove, and when the flange portion 21 abuts against the second side wall 12, the first sealing ring is clamped between the flange portion 21 and the second side with a predetermined pressure, so that the sealing property of the connection between the connecting sleeve 2 and the side sill 1 is further improved.
Preferably, as shown in fig. 2 and 4, the explosion-proof valve 3 is formed with an end cap 32 at an end of the external threaded connection portion 31 thereof, the end cap 32 of the explosion-proof valve 3 being capable of abutting against the burring 21 when the explosion-proof valve 3 is screwed onto the connection sleeve 2; an annular second sealing groove (not shown in the figure) is formed in the end face of the end cap 32 facing one end of the flanging part 21, and a second sealing ring is filled in the second sealing groove; when the end cap 32 abuts against the burring 21, the second seal ring can be clamped between the end cap 32 and the burring 21, thereby improving the tightness of the connection between the explosion-proof valve 3 and the connection sleeve 2.
In one embodiment of the present application, the connection sleeve 2 is preferably an aluminum casting, thereby making the connection sleeve 2 and the female screw connection portion formed at the inner wall thereof easier to process and reducing the processing cost.
The present application also provides a battery pack 4, as shown in fig. 1, including the battery pack explosion-proof valve mounting structure of any of the above embodiments.
In this embodiment, the battery pack 4 includes the battery pack explosion-proof valve mounting structure, and thus the battery pack 4 has all the advantageous effects of the battery pack explosion-proof valve mounting structure, which are not described in detail herein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. The battery pack explosion-proof valve mounting structure is used for mounting the explosion-proof valve on the lower shell of the battery pack; the battery pack explosion-proof valve mounting structure is characterized by comprising a connecting sleeve;
the connecting sleeve is arranged on the boundary beam of the lower shell in a penetrating way so as to communicate the inside and the outside of the battery pack through the connecting sleeve;
the connecting sleeve is provided with a connecting piece, and the connecting piece is used for being connected with the explosion-proof valve.
2. The battery pack explosion-proof valve mounting structure according to claim 1, wherein the explosion-proof valve is provided with an external threaded connection portion, and the connection member is an internal threaded connection portion formed on an inner wall of the connection sleeve;
the internal thread connecting part is matched with the external thread connecting part, so that the explosion-proof valve is in threaded connection with the connecting sleeve.
3. The battery pack explosion-proof valve mounting structure according to claim 2, wherein an edge beam of the lower case is hollow inside, and side walls of both ends in a width direction of the edge beam are a first side wall and a second side wall;
the first side wall is provided with a first through hole, the second side wall is provided with a second through hole, the first through hole and the second through hole are positioned on the same axis, and the first through hole and the second through hole are matched with the connecting sleeve, so that two ends of the connecting sleeve can pass through the side beam through the first through hole and the second through hole respectively.
4. The battery pack explosion-proof valve mounting structure according to claim 3, wherein the first side wall faces the inside of the battery pack, and an end of the connection sleeve facing the inside of the battery pack is flush with and welded to the first side wall.
5. The battery pack explosion-proof valve mounting structure according to claim 3, wherein the second side wall faces the outside of the battery pack, a burring part is formed at one end of the connecting sleeve facing the outside of the battery pack, the burring part abuts against the second side wall, and an edge of the burring part is welded to the second side wall.
6. The battery pack explosion-proof valve mounting structure according to claim 5, wherein an annular first sealing groove is formed in an end face of the flange portion facing one end of the second side wall, a first sealing ring is arranged in the first sealing groove, and the first sealing ring can be clamped between the flange portion and the second side wall.
7. The battery pack explosion-proof valve mounting structure according to claim 1, wherein the number of the connection sleeves is plural, and the plural connection sleeves are arranged at intervals along the length direction of the side beam.
8. The battery pack explosion-proof valve mounting structure according to claim 5, wherein the explosion-proof valve is formed with an end cap at an end of the male screw connection portion, the end cap being capable of abutting against the burring.
9. The battery pack explosion-proof valve mounting structure according to claim 8, wherein an annular second sealing groove is formed in an end face of the end cap facing the end of the flange portion, a second sealing ring is arranged in the second sealing groove, and the second sealing ring can be clamped between the end cap and the flange portion.
10. A battery pack comprising the battery pack explosion-proof valve mounting structure according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121981601.7U CN218975704U (en) | 2021-08-20 | 2021-08-20 | Battery pack explosion-proof valve mounting structure and battery pack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121981601.7U CN218975704U (en) | 2021-08-20 | 2021-08-20 | Battery pack explosion-proof valve mounting structure and battery pack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218975704U true CN218975704U (en) | 2023-05-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121981601.7U Active CN218975704U (en) | 2021-08-20 | 2021-08-20 | Battery pack explosion-proof valve mounting structure and battery pack |
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| Country | Link |
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| CN (1) | CN218975704U (en) |
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2021
- 2021-08-20 CN CN202121981601.7U patent/CN218975704U/en active Active
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