CN218586136U - Steel shell structure with flat surface on side surface and battery - Google Patents

Abstract

The utility model relates to a button cell technical field specifically is a steel casing structure that side has burnishing surface, including interior steel casing and outer steel casing, outer steel casing cover is put outside the steel casing including, be provided with the welding burnishing surface on a side end face of outer steel casing. The utility model discloses a set up the welding levelling surface, and can tin-plating on the welding levelling surface, nickel and silver etc. perhaps other do benefit to welded metal, make wire or plug-in components line weld more easily on outer box hat, regard as Pack welding area through the welding levelling surface for with wire or plug-in components line welding operation, thereby can avoid outer box hat when Pack lateral wall welding, outer box hat and wire or plug-in components line's contact surface is not at the coplanar problem, can obviously improve Pack lateral wall welding rosin joint phenomenon.

Description

Steel shell structure with flat surface on side surface and battery

Technical Field

The utility model relates to a button cell technical field specifically is a side has box hat structure and battery of burnishing surface.

Background

The button cell is also called as button cell, which refers to a cell with the overall dimension like a small button, generally speaking, the diameter is larger, the thickness is thinner, the button cell is classified from the appearance, and the same corresponding cell is classified into a columnar cell, a square cell and a special-shaped cell. The button cell is widely applied to various miniature electronic products due to small size, and has the diameter of 4.8mm to 30mm and the thickness of 1.0mm to 7.7 mm; the power supply is generally used as a backup power supply for various electronic products, such as a computer mainboard, an electronic watch, an electronic dictionary, an electronic scale, a remote controller, an electric toy, a cardiac pacemaker, an electronic hearing aid, a counter, a camera and the like.

The Pack process of box-type cell, generally all at outer box-hat lateral wall spot welding wire, draw the wire and weld to the protection shield on, accomplish being connected of battery and protection shield, and because the outer box-hat lateral wall is curved, the welding needle is very easy point to outer box-hat cambered surface edge rather than the top during spot welding, the distance that leads to welding point position at every turn from this, the atress size etc. all is different, lead to the rosin joint very easily, cause the battery to scrap, when adopting plug-in components line and outer box-hat welding among the prior art, the contact surface that can have outer box-hat lateral wall and plug-in components line is not in same position with the welding position equally, the rosin joint phenomenon still can not be avoided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a side has box hat structure and battery of burnishing surface to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a side has steel-clad construction of planishing face, includes interior steel-clad and outer steel-clad, outer steel-clad cover is put outside interior steel-clad, be provided with the welding planishing face on one side terminal surface of outer steel-clad.

Preferably, the welding device further comprises a metal coating attached to the welding flat surface.

Preferably, the metal plating layer is a tin plating layer, a nickel plating layer, a silver plating layer or a gold plating layer.

Preferably, the shape of the outer steel shell is U-shaped.

Preferably, the bottom of the outer steel shell is recessed inwards to form a steel shell sealing area.

Preferably, the bottom inside wall of outer box hat with the distance of box hat sealing area central point is L1, the welding flush plane with the distance of the central point of outer box hat is L2, and both distances satisfy the condition: l2 is more than or equal to L1.

Preferably, the steel shell structure further comprises a sealing rubber ring, and the sealing rubber ring is sleeved between the outer steel shell and the inner steel shell.

Preferably, a plurality of welding flat surfaces are arranged on the outer steel shell, and the welding flat surfaces are arranged at intervals.

The utility model also provides a battery that has above the side steel-shelled structure that has the burnishing surface, roll up core and utmost point ear including the battery, the battery roll up the core with utmost point ear is connected.

Preferably, the tabs comprise a first tab and a second tab, the first tab is welded on the inner steel shell, and the second tab is welded on the outer steel shell.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses a set up the welding levelling surface, and can tin-plating on the welding levelling surface, nickel and silver etc. perhaps other do benefit to welded metal, make wire or plug-in components line weld more easily on outer box hat, regard as Pack welding area through the welding levelling surface for with wire or plug-in components line welding operation, thereby can avoid outer box hat when Pack lateral wall welding, outer box hat and wire or plug-in components line's contact surface is not at the coplanar problem, can obviously improve Pack lateral wall welding rosin joint phenomenon.

2. The utility model discloses a set up the distance of the central point of welding burnishing surface and outer steel casing for L2 is more than or equal to the bottom inside wall of outer steel casing and the distance of steel casing sealing area central point be L1, the distance of welding burnishing surface and the outer steel casing centre of a circle is not less than the radius of outer steel casing bottom closing plate promptly to can prevent to influence the battery and roll up the core and go into shell and battery seal the problem.

Drawings

Fig. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a right-view structural diagram of the outer steel shell of the present invention;

fig. 3 is a schematic front view of the outer steel shell of the present invention;

fig. 4 is the utility model provides a battery rolls up core and utmost point ear connection's main view structure schematic diagram.

In the figure: 1. a battery roll core; 2. a tab; 3. an inner steel shell; 4. sealing the rubber ring; 5. an outer steel shell; 6. welding a flat surface; a steel shell sealing area 7.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides a side has steel-clad construction of planishing face, includes interior steel-clad 3 and outer steel- clad 5, 5 covers of outer steel-clad are put outside interior steel-clad 3, be provided with welding planishing face 6 on one side terminal surface of outer steel-clad 5. It should be noted that, by arranging the welding flat surface, tin, nickel, silver and the like can be plated on the welding flat surface, or other metals which are beneficial to welding can be used for enabling the lead or the plug-in wire to be easily welded on the outer steel shell, and the welding flat surface is used as a Pack welding area for welding operation with the lead or the plug-in wire, so that the problem that the contact surfaces of the outer steel shell and the lead or the plug-in wire are not on the same plane when the outer steel shell is welded on the Pack side wall can be avoided, and the phenomenon of insufficient welding of the Pack side wall can be obviously improved.

In this embodiment, the steel shell structure further includes a metal plating layer, and the metal plating layer is attached to the welding flat surface. Further, the metal coating is a tin coating, a nickel coating, a silver coating or a gold coating.

In this embodiment the shape of the outer steel shell is "U". The bottom of the outer steel shell is recessed inwardly to form a steel shell sealing region 7. Further, the bottom inside wall of outer box hat with the distance of 7 central points of box hat sealing land is L1, the welding flush plane with the distance of the central point of outer box hat is L2, and both distances satisfy the condition: l2 is more than or equal to L1. So, the distance of the bottom inside wall that is L2 more than or equal to outer box-hat through setting up the central point of welding flush plane and outer box-hat is L1 with the distance of box-hat sealing zone central point, the distance of welding flush plane and outer box-hat centre of a circle is not less than the radius of outer box-hat bottom closing plate promptly, can prevent to influence electric core income shell and battery sealing, and 6 surfaces of welding flush plane can tin-plating, nickel and silver etc. perhaps other do benefit to welded metal, make wire or plug-in components line weld to outer box-hat 5 more easily on.

The steel shell structure further comprises a sealing rubber ring, and the sealing rubber ring is sleeved between the outer steel shell and the inner steel shell. So, through setting up sealed rubber ring, can reach sealed effect.

In one embodiment, a plurality of welding flat surfaces are arranged on the outer steel shell, and the welding flat surfaces are arranged at intervals. It should be noted that the welding flat surface 6 may be provided in an area (preferably) on the top of one side of the outer steel shell 5, or may extend to the sealing area on the bottom, and the welding flat surface 6 may be several pieces.

Referring to fig. 1 to 4, the present invention further provides a battery with the steel shell structure having a flat surface on the side surface, including a battery roll core and a tab, wherein the battery roll core is connected to the tab.

Further, utmost point ear includes first utmost point ear and second utmost point ear, first utmost point ear weld in on the interior box hat, the second utmost point ear weld in on the outer box hat.

The utility model discloses a use method and advantage: when the steel shell structure with the flat surface on the side is used, the working process is as follows: when the device is used, firstly, the lug 2 is welded on the battery roll core 1, the inner steel shell 3 is installed on the outer surface of the battery roll core 1, the sealing rubber ring 4 is installed on two sides of the inner steel shell 3, the outer steel shell 5 is arranged, the welding leveling surface 6 is arranged, tin, nickel, silver and the like can be plated on the welding leveling surface 6, or other metals which are beneficial to welding can be used, the lead or the plug-in wire can be welded to the outer steel shell 5 more easily, the welding leveling surface 6 serves as a Pack welding area and is used for welding operation with the lead or the plug-in wire, so that the problem that the contact surface of the outer steel shell 5 and the lead or the plug-in wire is not on the same plane can be avoided when the Pack side wall is welded, the Pack side wall welding virtual welding phenomenon can be obviously improved, the distance between the welding leveling surface 6 and the outer steel shell 5 is not smaller than the radius of the bottom sealing plate 7 of the outer steel shell 5, and the problem that the battery roll core 1 is placed into the shell and the battery sealing can be prevented from occurring.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (10)

1. The utility model provides a side has steel-shelled structure of planishing face which characterized in that: the steel shell comprises an inner steel shell and an outer steel shell, wherein the outer steel shell is sleeved outside the inner steel shell, and a welding flat surface is arranged on one side end face of the outer steel shell.

2. A steel shell structure with flat side surfaces as claimed in claim 1, wherein: the welding device further comprises a metal coating which is attached to the welding flat surface.

3. A steel shell structure with flat side surfaces as claimed in claim 2, wherein: the metal coating is a tin coating, a nickel coating, a silver coating or a gold coating.

4. A steel shell structure with flat side surfaces as claimed in claim 1, wherein: the shape of the outer steel shell is U-shaped.

5. A steel shell structure with flat side surfaces as claimed in claim 1, wherein: the bottom of the outer steel shell is inwards sunken to form a steel shell sealing area.

6. The steel shell structure with the flat side surface as claimed in claim 5, wherein: the bottom inside wall of outer steel casing with the distance of steel casing seal zone central point is L1, the welding levelling surface with the distance of the central point of outer steel casing is L2, and both distances satisfy the condition: l2 is more than or equal to L1.

7. A steel shell structure with flat side surfaces as claimed in claim 1, wherein: the sealing rubber ring is sleeved between the outer steel shell and the inner steel shell.

8. A steel shell structure with flat side surfaces as claimed in claim 1, wherein: the outer steel shell is provided with a plurality of welding flat surfaces, and the welding flat surfaces are arranged at intervals.

9. A cell having a steel can structure with a flat side according to any one of claims 1 to 8, characterized in that: the battery winding core comprises a battery winding core and a pole lug, wherein the battery winding core is connected with the pole lug.

10. The battery of claim 9, wherein: the utmost point ear includes first utmost point ear and second utmost point ear, first utmost point ear weld in on the interior box hat, the second utmost point ear weld in on the outer box hat.

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