Steel shell battery

Abstract

The utility model discloses a steel shell battery. The steel shell battery comprises a shell and an end cover, a roll core is arranged in the shell; an opening is formed in one side of the shell; a slot is formed in the opening; one side, close to the shell, of the end cover is inserted into the slot; a positive pole and a negative pole are arranged on the end cover; and a positive tab and a negative tab corresponding to the positive pole and the negative pole are arranged on the roll core. According to the utility model, the positive pole and the negative pole are arranged on the end cover, so that the manufacturing difficulty and the manufacturing cost can be reduced, the product yield can be improved, and the end cover and the shell are designed to be in embedded plug-in fit, so that on one hand, the battery is simpler to assemble, and the relative size requirement of the end cover and the shell is reduced; therefore, the welding sealing yield of the end cover and the shell is improved, the risk of insufficient welding and liquid leakage caused by the size problem is avoided, on the other hand, the assembly position of the end cover and the shell does not have offset, the appearance of the battery is more attractive, and the integrity is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to battery technology field more specifically relates to a steel shell battery. BACKGROUND

[0002] The existing steel shell battery generally includes upper cover, lower shell, roll core, liquid injection hole plugging and insulating piece, the roll core is installed in the lower shell, the insulating piece is pasted on the positive and negative pole lug of the roll core, the positive and negative pole lug of the roll core is welded together with the positive and negative pole connecting piece of the lower shell, the upper cover is sealed with the lower shell vertical welding, and the liquid injection hole plugging is welded and sealed in the liquid injection hole of the lower shell. SUMMARY

[0003] Therefore, the utility model provides a steel shell battery, which aims to solve the problems in the prior art.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A steel shell battery, comprising: a shell and an end cover, the shell is internally provided with a roll core, one side of the shell is provided with an opening, the opening is internally provided with a slot, the end cover is inserted into the slot near one side of the shell, the end cover is provided with a positive pole and a negative pole, and the roll core is provided with a positive pole lug and a negative pole lug corresponding to the positive pole and the negative pole.

[0006] Preferably, the shell is internally provided with an insulating piece, and the insulating piece is attached to the positive pole lug and the negative pole lug.

[0007] Preferably, the end cover is provided with a liquid injection hole, and the liquid injection hole is provided with a liquid injection hole plugging.

[0008] Compared with the prior art, the utility model has the following technical effects:

[0009] 1) In the utility model, the positive pole and the negative pole are arranged on the end cover, so that the manufacturing process is simpler, the production cost is reduced, and the product yield is improved.

[0010] 2) In the utility model, the end cover and the shell are designed to be inlaid and inserted, which on the one hand makes the battery assembly simpler, reduces the relative size requirement of the end cover and the shell, thereby improving the sealing yield of the end cover and the shell, avoiding the risk of virtual welding and liquid leakage caused by size problems, and on the other hand makes the end cover and the shell assembly not have a gap, so that the appearance of the battery is more beautiful and the overall strength is higher.

[0011] 3) The end cover and the shell are assembled in an embedded manner, no gap exists, the appearance is beautiful, and the integrity is strong;

[0012] 4) The utility model can avoid the increase of the overall size caused by the assembly gap and the processing round corner, so that the battery capacity can be improved, and the value of the battery itself is improved;

[0013] 5) The utility model can improve the processing and assembly yield of the whole battery. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a schematic view of the existing steel shell battery;

[0015] Figure 2 It is a perspective view of the steel shell battery of the utility model;

[0016] Figure 3 It is a sectional view of the steel shell battery of the utility model;

[0017] Figure 4 It is an exploded view of the steel shell battery of the utility model;

[0018] Figure 5 It is a schematic view of the shell of the utility model;

[0019] Figure 6 It is Figure 5 the local enlarged view of A part;

[0020] In the drawing: 1, shell; 2, end cover; 3, roll core; 4, slot; 5, positive pole; 6, negative pole; 7, positive pole lug; 8, negative pole lug; 9, insulating piece; 10, liquid injection hole; 11, liquid injection hole plugging. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the protection scope of the utility model.

[0022] EMBODIMENT

[0023] Referring to Figures 2-5The utility model discloses a steel shell battery, which comprises a shell 1 and an end cover 2, the shell 1 is internally provided with a winding core 3, one side of the shell 1 is provided with an opening, the opening is internally provided with a slot 4, the end cover 2 is inserted into the slot 4 close to one side of the shell 1, the end cover 2 is provided with a positive pole 5 and a negative pole 6, and the winding core 3 is provided with a positive pole lug 7 and a negative pole lug 8 corresponding to the positive pole 5 and the negative pole 6.

[0024] The technical scheme sets the positive and negative poles on the end cover, can reduce the manufacturing difficulty and manufacturing cost, improves the product yield, designs the end cover and the shell as an embedded plug-in cooperation, on the one hand, makes the battery assembly simpler, reduces the relative size requirement of the end cover and the shell, thereby improves the welding sealing yield of the end cover and the shell, avoids the risk of virtual welding and leakage caused by the size problem, on the other hand, makes the end cover and the shell assembly place not exist the broken gap, makes the battery appearance more beautiful, and the integrity is stronger, meanwhile, can also avoid the overall size increase caused by the assembly gap and the processing fillet, thereby can be used to improve the battery capacity, and further improves the value of the battery itself.

[0025] In the embodiment, the shell 1 is internally provided with an insulating part 9, and the insulating part 9 is bonded to the positive pole lug 7 and the negative pole lug 8.

[0026] In the embodiment, the end cover 2 is provided with a liquid injection hole 10, and the liquid injection hole 10 is internally provided with a liquid injection hole plugging 11.

[0027] In the embodiment, the liquid injection hole plugging 11 is welded in the liquid injection hole 10 to realize sealing.

[0028] The utility model assembly process: 1) the winding core 3 is assembled into the shell 1 according to the requirement;2) the positive pole lug 7 and the negative pole lug 8 of the winding core 3 are welded to the positive pole 5 and the negative pole 6 on the end cover 2 according to the requirement, and the insulating part 9 is pasted;3) the end cover 2 and the shell 1 are vertically welded and sealed;4) liquid is injected into the shell 1 from the liquid injection hole 10 on the end cover 2, and after the liquid injection is completed, the liquid injection hole plugging 11 is welded to seal the liquid injection hole 10.

[0029] The above is only the preferred embodiment of the utility model, and does not limit the technical range of the utility model, so any slight modification, equivalent change and modification according to the technical essence of the utility model are still within the technical scheme range of the utility model.

Claims

1. A steel-cased battery, characterized in that, include: The outer shell (1) and the end cap (2) are provided; the inner part of the outer shell (1) is provided with a core (3); the outer shell (1) is provided with an opening on one side; the opening is provided with a slot (4); the end cap (2) is inserted into the slot (4) on the side near the outer shell (1); the end cap (2) is provided with a positive terminal (5) and a negative terminal (6); the core (3) is provided with a positive terminal (7) and a negative terminal (8) corresponding to the positive terminal (5) and the negative terminal (6).

2. A steel-cased battery according to claim 1, characterized in that, The outer shell (1) has an insulating component (9) inside; the insulating component (9) is bonded to the positive electrode tab (7) and the negative electrode tab (8).

3. A steel-cased battery according to claim 1, characterized in that, The end cap (2) is provided with an injection hole (10); the injection hole (10) is provided with an injection hole plug (11).

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