CN217334329U

CN217334329U - Novel aluminum shell integrated explosion-proof valve

Info

Publication number: CN217334329U
Application number: CN202220715138.XU
Authority: CN
Inventors: 刘子军; 刘成士; 姜永红; 应鹏坤
Original assignee: Ma'anshan Shengshi Technology Co ltd
Current assignee: Ma'anshan Shengshi Technology Co ltd
Priority date: 2022-03-29
Filing date: 2022-03-29
Publication date: 2022-08-30
Anticipated expiration: 2032-03-29

Abstract

The utility model discloses a novel explosion-proof valve of aluminum hull integral type relates to the explosion-proof valve technical field of new forms of energy, including crowded thin left side material inflow boss, crowded thin right side shaping boss, the regional unformed region in center, blasting nick, aluminum hull body, crowded thin region, the inside of aluminum hull body is provided with the aluminum hull lateral wall, organic processing reduces thin the district on the aluminum hull lateral wall, obtains crowded thin region through the punching press in the machining reduces thin district, and the material flows in crowded thin left side material inflow boss and crowded thin right side shaping boss when crowded thin region is crowded thin, and crowded thin right side shaping boss passes through the ascending boss of punching press formation. The utility model provides an explosion-proof valve and aluminum hull formula structure as an organic whole, it is with low costs, reduce the battery weeping risk to respectively have the strengthening rib structure about the explosion-proof valve, sound construction, non-deformable, the blasting pressure is stable, all is less than the interior outside of aluminum hull lateral wall about the crowded thin region of carving the nick of blasting simultaneously, reduces the production transportation and electric core equipment and influences the blasting pressure of blasting the nick.

Description

Novel aluminum shell integrated explosion-proof valve

Technical Field

The utility model relates to an explosion-proof valve technical field of new forms of energy specifically is novel explosion-proof valve of aluminum hull integral type.

Background

The new energy batteries are developed day by day, and aluminum shells with explosion-proof functions are increasingly used on the new energy batteries.

Because of the influence of the aluminum shell forming process, the conventional process of the aluminum shell explosion-proof valve still welds the explosion-proof valve plate on the aluminum shell through laser, the structure process is complex, the cost is high, and the opening pressure of the explosion-proof valve is greatly influenced by the heating during laser welding.

The aluminum shell integrated explosion-proof valve is low in cost, but the aluminum shell is formed by stretching, the requirement of a valve opening part on parallelism, flatness and material thickness uniformity is high, and the impact of deformation of the aluminum shell on a stamped explosion-proof valve mark is large.

In addition, an integral aluminum shell explosion-proof structure does not exist in the current market.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel explosion-proof valve of aluminum hull integral type solves following technical problem:

the purpose of the utility model can be realized by the following technical scheme:

the novel aluminum shell integrated explosion-proof valve comprises a left extruded material inflow boss, a right extruded forming boss, a central region unformed region, a blasting nick, an aluminum shell body and a thinned region, wherein the explosion-proof valve and the aluminum shell body are of an integrated structure;

the upper side of the extruding area is carved with a blasting nick for controlling the blasting pressure of the aluminum shell.

As a further aspect of the present invention: the explosion-proof valve and the aluminum shell body are of an integrated structure, and the explosion-proof valve is positioned on the side wall of the aluminum shell.

As a further aspect of the present invention: the thin-extruded area is formed by extrusion through a die, so that the parallelism, the planeness and the thickness of the thin-extruded area after forming are improved, and the stability of blasting notches is further ensured.

As a further aspect of the present invention: and outflow parts communicated with the left material inflow boss and the right material forming boss are arranged on two sides of the thinning area, and extruded materials flow into the left material inflow boss and the right material forming boss of the thinning area, so that material hardening caused by thinning is avoided.

As a further aspect of the present invention: the right side forming boss is arranged on one side of the thinning area, and a reinforcing rib structure is arranged inside the right side forming boss and used for enhancing the structural strength of the thinning area.

As a further aspect of the present invention: the upper surface of the thin-extruding region is lower than the outer surface of the side wall of the aluminum shell, and the lower surface of the thin-extruding region is lower than the inner surface of the side wall of the aluminum shell, so that the impact of external factors on the integrated explosion-proof valve during production, transportation, subsequent battery production and the like of the integrated explosion-proof valve can be effectively reduced, and the long-term stability of the explosion pressure is ensured.

As a further aspect of the present invention: the thickness of the thinning area is not less than 0.3mm, and the stability of blasting nicks can be guaranteed.

As a further aspect of the present invention: and an aluminum shell inner side retainer area is arranged on the inner side of the central area unformed area.

The utility model has the advantages that:

the utility model provides an explosion-proof valve and aluminum hull formula structure as an organic whole, it is with low costs, reduce the battery weeping risk to respectively there is the strengthening rib structure about the explosion-proof valve, sound construction, non-deformable, the blasting pressure is stable, the interior outside that all is less than the aluminum hull lateral wall about the crowded thin region of carving the nick simultaneously, reduction production transportation and electric core assembly influence the blasting pressure of blasting the nick, and is further, there is the region of keeping in the explosion-proof valve inboard of aluminum hull integral type, can be used for protection integral type explosion-proof valve.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a front view of the present invention;

FIG. 2 is a schematic sectional view A-A of FIG. 1;

fig. 3 is a schematic view of a partial enlarged view B of fig. 2.

Fig. 4 is a projection view of the present invention.

In the figure: 1. machining the thinning zone; 2. extruding the left material to flow into the boss; 3. extruding and thinning the right side forming boss; 4. a central region unformed region; 5. blasting nicks; 6. an aluminum shell inner side retainer area; 7. an aluminum shell side wall; 8. thinning the region.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the utility model relates to a novel aluminum shell integrated explosion-proof valve, which comprises a left side extruding and thinning material flowing boss 2, a right side extruding and thinning forming boss 3, a central region unformed region 4, a blasting nick 5, an aluminum shell body, a thinning region 8, wherein the explosion-proof valve and the aluminum shell body are integrated, the cost is low, the leakage risk of the battery is reduced, an aluminum shell side wall 7 is arranged in the aluminum shell body, a thinning region 1 is organically processed on the aluminum shell side wall 7, the explosion-proof valve and the aluminum shell body are integrated, the explosion-proof valve is positioned on the aluminum shell side wall 7, the thinning region 1 is thinned to 0.5mm by the aluminum shell opening region through a machining mode, the thinning region 8 is obtained by punching in the thinning region 1, when the thinning region 8 is extruded, the material flows into the left side extruding and thinning material flowing boss 2 and the right side extruding and thinning forming boss 3, the right side extruding and thinning forming boss 3 forms an upward boss by punching, a central region unformed area 4 is arranged inside one side of the right side forming boss 3;

the upper side of the thinning area 8 is engraved with a blasting score 5 for controlling the blasting pressure of the aluminum shell through a scoring die.

Referring to fig. 3, the thinned region 8 is formed by extrusion through a die to improve the parallelism, flatness and thickness of the thinned region 8 after forming, thereby ensuring the stability of the blasting score 5.

The two sides of the thinning area 8 are provided with outflow parts communicated with the left thinning material inflow boss 2 and the right thinning forming boss 3, extruded materials are extruded to the left thinning material inflow boss 2 and the right thinning forming boss 3 of the thinning area 8 through the outflow parts, and material hardening caused by thinning is avoided.

Crowded thin right side shaping boss 3 sets up in crowded thin regional 8 one side, and crowded thin 3 inside strengthening rib structures that are provided with of right side shaping boss for the structural strength in crowded thin region 8 of reinforcing can improve sound construction, non-deformable, and bursting pressure is stable.

The upper surface of the thin-extruding region 8 is lower than the outer surface of the aluminum shell side wall 7, the lower surface of the thin-extruding region 8 is lower than the inner surface of the aluminum shell side wall 7, the impact of external factors on the integrated explosion-proof valve during production, transportation, follow-up battery production and the like of the integrated explosion-proof valve can be effectively reduced, the impact of production transportation and battery core assembly on the explosion pressure of an explosion notch is reduced, and the long-term stability of the explosion pressure is ensured.

The thickness of the thinned region 8 is not less than 0.3mm, preferably 0.3mm, which ensures the stability of the burst disk 5.

An aluminum shell inner side retainer area 6 is arranged on the inner side of the central area unformed area 4, and a retainer is arranged in the aluminum shell inner side retainer area 6 and used for protecting the integrated explosion-proof valve from being collided or damaged during the assembly of the battery core.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention, and should not be considered as limiting the scope of the present invention. The equivalent changes and improvements made according to the application scope of the present invention should be still included in the patent coverage of the present invention.

Claims

1. The novel aluminum shell integrated explosion-proof valve comprises a left side extruding and thinning material inflow boss (2), a right side extruding and thinning forming boss (3), a central region unformed region (4), a blasting nick (5), an aluminum shell body and a right side extruding region (8), and is characterized in that an aluminum shell side wall (7) is arranged inside the aluminum shell body, the aluminum shell side wall (7) is provided with a thinning region (1) through machining, the thinning region (8) is obtained through stamping in the thinning region (1), when the thinning region (8) is thinned, the material flows into the left side extruding and thinning material inflow boss (2) and the right side extruding and thinning forming boss (3), the right side extruding and thinning forming boss (3) forms an upward boss through stamping, and the central region unformed region (4) is arranged inside one side of the right side extruding and thinning forming boss (3);

and a blasting notch (5) for controlling the blasting pressure of the aluminum shell is carved on the upper side of the thinning area (8).

2. A novel aluminum shell integrated explosion-proof valve as claimed in claim 1, wherein the explosion-proof valve is integrated with the aluminum shell body, and the explosion-proof valve is positioned on the side wall (7) of the aluminum shell.

3. A novel aluminum shell integrated explosion-proof valve as defined in claim 1 wherein the thinned region (8) is extruded through a die.

4. A novel aluminum-shell integrated explosion-proof valve as claimed in claim 3, wherein the two sides of the thinning region (8) are provided with outflow parts communicated with the left-side thinning material inflow boss (2) and the right-side thinning molding boss (3).

5. The novel aluminum shell integrated explosion-proof valve as claimed in claim 1, wherein the right side molding boss (3) is arranged at one side of the thinning region (8), and a reinforcing rib structure is arranged inside the right side molding boss (3).

6. A novel aluminum shell integrated explosion-proof valve as defined in claim 4 wherein the upper surface of the thinned region (8) is lower than the outer surface of the aluminum shell side wall (7) and the lower surface of the thinned region (8) is lower than the inner surface of the aluminum shell side wall (7).

7. A novel aluminum shell integrated explosion-proof valve as defined in claim 1 wherein the thickness of the thinned region (8) is not less than 0.3 mm.

8. A novel aluminum shell integrated explosion-proof valve as defined in claim 7, wherein the outer surface of the blasting score (5) is lower than the outer surface of the aluminum shell body.

9. A novel aluminum-shell integrated explosion-proof valve as claimed in claim 1, characterized in that the inside of the central region unformed region (4) is provided with an aluminum-shell inside retainer region (6).