CN215896596U

CN215896596U - Rechargeable lithium battery convenient to assemble and simple in structure

Info

Publication number: CN215896596U
Application number: CN202120049440.1U
Authority: CN
Inventors: 骆荣春
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-09
Filing date: 2021-01-09
Publication date: 2022-02-22
Anticipated expiration: 2031-01-09

Abstract

The utility model discloses a rechargeable lithium battery convenient to assemble and simple in structure, which comprises a metal shell, a lithium battery, an anode and a cathode, wherein the lithium battery is inserted into the middle of the metal shell, the anode is arranged on the right side of the lithium battery, the cathode is arranged on the left side of the metal shell, a PCB is welded on the right side of the lithium battery, a socket is welded in the middle of the upper end of the PCB, an anode elastic sheet is welded on the right side of the PCB, a cathode elastic sheet is welded on the left side of the PCB, the PCB and the socket are both arranged on an anode contact base, the anode is welded on the right side of the anode contact base, the anode contact bases are both inserted into the metal shell, and the rechargeable lithium battery convenient to assemble and simple in structure avoids the situation that the battery cannot be rapidly charged, improves the convenience of the arrangement, avoids the installation plate from shaking when the PCB is installed, and improves the stability of the device.

Description

Rechargeable lithium battery convenient to assemble and simple in structure

Technical Field

The utility model belongs to the technical field of batteries, and particularly relates to a rechargeable lithium battery which is convenient to assemble and simple in structure.

Background

When the mobile electric appliance is conveniently powered, the mobile electric appliance is generally powered by a battery, and the conventional battery device is adopted. It has been possible to meet the demands of everyday use substantially, but there is still some need for improvement.

Rechargeable battery on the market adopts ordinary interface more, can't realize filling soon, and the structure is complicated, and the assembly is mostly manual welding, and adopts manual welding, because the anodal shell fragment (contact) of part of product is less, the welding yields is lower to welding speed is slower, increases the manufacturing cost of product, very impracticable, for this reason we propose the rechargeable lithium cell of being convenient for assembly and simple structure and solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides the rechargeable lithium battery which is convenient to assemble and simple in structure.

In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a rechargeable lithium battery convenient to assembly and simple structure, includes metal casing, lithium cell, anodal, negative pole, L type negative pole contact piece, circular positive plate and annular insulating piece, and the lithium cell has been inserted at the metal casing middle part, and the lithium cell right side is provided with the anodal, and the metal casing left side is provided with the negative pole, and the laminating of lithium cell lower extreme has L type negative pole contact piece, and the laminating of lithium cell upper end has circular positive plate, and the laminating of circular positive plate upper end has annular insulating piece, the welding of lithium cell right side has the PCB board, and the middle part welding of PCB board upper end has the socket, the welding of PCB board right side has anodal shell fragment, the welding of PCB board left side has the negative pole shell fragment, PCB board and socket all set up at anodal contact base, anodal contact base right side has all welded anodal, anodal contact base all inserts in the metal casing.

As a preferred technical scheme of the present invention, the PCB is inserted into the slot, the slot is formed in the anode contact base, the bottom end of the left side of the PCB is provided with a concave-convex block, the concave-convex block is inserted into the buckle, the buckle is formed at the lower end of the left side of the anode contact base, the upper end of the left side of the PCB is provided with a limit table, the limit tables are inserted into the limit grooves, and the limit grooves are formed at the upper end of the left side of the anode contact base.

As a preferred technical scheme of the utility model, the front surface and the back surface of the positive electrode contact base are both hot-melted and adhered with fixing columns, the fixing columns are inserted into fixing holes, and the fixing holes are formed in the right side of the metal shell.

As a preferred technical solution of the present invention, the negative electrode elastic piece and the positive electrode elastic piece are both provided with a bow shape.

As a preferable technical solution of the present invention, the concave-convex blocks are all configured to be quadrilateral, the right sides of the concave-convex blocks are configured to be inclined, and the left sides of the concave-convex blocks are configured to be right-angled.

As a preferred technical solution of the present invention, the fixing posts are all configured as waist-shaped protrusions, the fixing holes are all configured as waist-shaped holes, and the diameter of the inner wall of the waist-shaped protrusion disposed on the fixing post is equal to the diameter of the inner wall of the waist-shaped hole disposed on the fixing hole.

As a preferred technical solution of the present invention, the front surface of the positive electrode contact base is provided with another waist-shaped hole, and the diameter of the inner wall of the another waist-shaped hole provided on the front surface of the positive electrode contact base is equal to the surface diameter of the socket.

Compared with the prior art, the utility model can achieve the following beneficial effects:

1. this rechargeable lithium battery convenient to assembly and simple structure is provided with socket and PCB board, inserts in the anodal contact base through the PCB board to PCB board upper end is provided with the socket, carries out quick charge to the lithium cell through the socket, avoids this No. seven battery can't carry out quick charge, improves the convenience that sets up.

2. This rechargeable lithium battery convenient to assembly and simple structure is provided with unsmooth piece, spacing platform, buckle, draw-in groove and spacing groove, inserts in the draw-in groove through the PCB board to in the unsmooth piece inserts the buckle, spacing platform inserts the spacing inslot, conveniently installs the PCB board fast, and when the installation of PCB board, avoids the mounting panel to take place to rock, improves the stability of device.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic illustration of an explosive structure according to the present invention;

FIG. 3 is a schematic view of the overall assembly structure of the present invention;

FIG. 4 is a schematic view of the positive contact mount assembly of the present invention;

fig. 5 is a schematic top view of the positive contact base and PCB of the present invention;

fig. 6 is a schematic diagram of the position structures of the circular positive plate and the annular insulating plate of the utility model.

In the figure: 1. a metal housing; 2. a lithium battery; 3. a socket; 4. a PCB board; 5. a positive contact base; 6. a positive electrode; 7. fixing a column; 8. a fixing hole; 9. a negative electrode; 10. a positive electrode shrapnel; 11. a concave-convex block; 12. a negative pole elastic sheet; 13. a card slot; 14. a limiting groove; 15. a limiting table; 16. buckling; 17. an L-shaped negative contact piece; 18. a circular positive plate; 19. annular insulating piece.

Detailed Description

The present invention will be further described with reference to specific embodiments for the purpose of facilitating an understanding of technical means, characteristics of creation, objectives and functions realized by the present invention, but the following embodiments are only preferred embodiments of the present invention, and are not intended to be exhaustive. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention. The experimental methods in the following examples are conventional methods unless otherwise specified, and materials, reagents and the like used in the following examples are commercially available unless otherwise specified.

Example (b):

as shown in fig. 1-6, a rechargeable lithium battery with simple structure and easy assembly comprises a metal casing 1, a lithium battery 2, an anode 6, a cathode 9, an L-shaped cathode contact sheet 17, a circular anode sheet 18 and an annular insulation sheet 19, wherein the lithium battery 2 is inserted into the middle of the metal casing 1, the anode 6 is arranged on the right side of the lithium battery 2, the cathode 9 is arranged on the left side of the metal casing 1, the L-shaped cathode contact sheet 17 is attached to the lower end of the lithium battery 2, the circular anode sheet 18 is attached to the upper end of the lithium battery 2, the annular insulation sheet 19 is attached to the upper end of the circular anode sheet 18, a PCB 4 is welded on the right side of the lithium battery 2, a socket 3 is welded in the middle of the upper end of the PCB 4, a cathode elastic sheet 10 is welded on the right side of the PCB 4, a cathode elastic sheet 12 is welded on the left side of the PCB 4, the PCB 4 and the socket 3 are both arranged on an anode contact base 5, the anode 6 is welded on the right side of the anode contact base 5, the positive contact bases 5 are all inserted into the metal shell 1;

when assembling, insert PCB board 4 and socket 3 earlier in anodal contact base 5 to anodal contact base 5 inserts metal casing 1, finishes assembling the battery, and through inserting charging plug in socket 3, be TPYE-C interface through socket 3, makes socket 3 pass through PCB board 4, and PCB board 4 carries out quick charge to PCB board 4 through negative pole shell fragment 12, improves the convenience of device.

In other embodiments, the present embodiment discloses positions of the card slot 13, the concave-convex block 11, the limiting slot 14, the limiting platform 15 and the buckle 16, as shown in fig. 4 and 5, the PCB 4 is inserted into the card slot 13, the card slots 13 are all opened in the positive contact base 5, the concave-convex block 11 is opened at the bottom end of the left side of the PCB 4, the concave-convex block 11 is inserted into the buckle 16, the buckle 16 is opened at the lower end of the left side of the positive contact base 5, the limiting platform 15 is opened at the upper end of the left side of the PCB 4, the limiting platforms 15 are all inserted into the limiting slot 14, and the limiting slot 14 is all opened at the upper end of the left side of the positive contact base 5;

insert draw-in groove 13 through PCB board 4 in, install PCB board 4 in anodal contact base 5 to PCB board 4 drives unsmooth piece 11 and removes, unsmooth piece 11 inserts in buckle 16, and PCB board 4 drives spacing platform 15 and removes simultaneously, and spacing platform 15 inserts spacing inslot 14, makes PCB board 4 fix in draw-in groove 13, when installing anodal contact base 5 and metal casing 1, and PCB board 4 can not rock in anodal contact base 5.

In other embodiments, the positions of the fixing posts 7 and the fixing holes 8 are disclosed in this embodiment, as shown in fig. 3, fig. 2 and fig. 1, the fixing posts 7 are attached to the front surface and the back surface of the positive contact base 5 by hot melting, the fixing posts 7 are inserted into the fixing holes 8, and the fixing holes 8 are formed in the right side of the metal shell 1;

drive fixed column 7 through anodal contact base 5 and remove, in fixed column 7 inserts fixed orifices 8, with metal casing 1 and anodal contact base 5 quick fixation together, when installing metal casing 1 and anodal contact base 5, no longer rivet the installation through traditional pressure, reduce work efficiency, improve the convenience of assembly.

In other embodiments, the present embodiment discloses the shapes of the negative electrode dome 12 and the positive electrode dome 10, as shown in fig. 4 and 5, the negative electrode dome 12 and the positive electrode dome 10 are both in a "bow" shape;

set up to "bow" shape through negative pole shell fragment 12 and anodal shell fragment 10, increase the area of negative pole shell fragment 12 and anodal shell fragment 10, conveniently carry out the machine welding to negative pole shell fragment 12 and anodal shell fragment 10 to elasticity and firmness when can effectively increase the contact improve circular telegram efficiency, reduce the emergence of circular telegram contact failure.

In other embodiments, the present embodiment discloses the shape of the concave-convex block 11, as shown in fig. 4 and 5, the concave-convex block 11 is set to be a quadrangle, the right side of the concave-convex block 11 is set to be an inclined shape, and the left side of the concave-convex block 11 is set to be a right angle;

set up to the slope form through unsmooth piece 11 right side, make things convenient for unsmooth piece 11 to insert in buckle 16 to unsmooth piece 11 left side sets up to the right angle, avoids unsmooth piece 11 to drop from buckle 16.

In other embodiments, the present embodiment discloses the shapes of the fixing posts 7 and the fixing holes 8, as shown in fig. 3, fig. 2 and fig. 1, the fixing posts 7 are all configured as waist-shaped bumps, the fixing holes 8 are all configured as waist-shaped holes, and the diameter of the inner wall of the waist-shaped bump configured on the fixing post 7 is equal to the diameter of the inner wall of the waist-shaped hole configured on the fixing hole 8;

the diameter of the surface of the waist-shaped convex block arranged through the fixing column 7 is equal to the diameter of the inner wall of the waist-shaped hole arranged through the fixing hole 8, and the waist-shaped convex block arranged through the fixing column 7 can be inserted into the circular hole arranged through the fixing hole 8.

In other embodiments, the present embodiment discloses shapes of the positive electrode contact base 5 and the socket 3, as shown in fig. 1 and 4, another kidney-shaped hole is formed on the front surface of the positive electrode contact base 5, and the diameter of the inner wall of the another kidney-shaped hole formed on the front surface of the positive electrode contact base 5 is equal to the diameter of the surface of the socket 3;

the diameter of the inner wall of the other waist-shaped hole formed in the front of the positive electrode contact base 5 is equal to the diameter of the surface of the socket 3, and the socket 3 can be inserted into the other waist-shaped hole formed in the front of the positive electrode contact base 5, so that the socket 3 is attached to the inner wall of the waist-shaped hole formed in the front of the positive electrode contact base 5.

In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a rechargeable lithium battery convenient to assembly and simple structure, including metal casing (1), lithium cell (2), anodal (6), negative pole (9), L type negative pole contact piece (17), circular positive plate (18) and annular insulating piece (19), lithium cell (2) have been inserted at metal casing (1) middle part, lithium cell (2) right side is provided with anodal (6), metal casing (1) left side is provided with negative pole (9), lithium cell (2) lower extreme laminating has L type negative pole contact piece (17), lithium cell (2) upper end laminating has circular positive plate (18), circular positive plate (18) upper end laminating has annular insulating piece (19), its characterized in that: lithium cell (2) right side welding has PCB board (4), and the welding of PCB board (4) upper end middle part has socket (3), the welding of PCB board (4) right side has anodal shell fragment (10), the welding of PCB board (4) left side has negative pole shell fragment (12), PCB board (4) and socket (3) all set up at anodal contact base (5), anodal contact base (5) right side all welds anodal (6), anodal contact base (5) all insert in metal casing (1).

2. An assembled and structurally simple rechargeable lithium battery as claimed in claim 1, further comprising: PCB board (4) insert in draw-in groove (13), and draw-in groove (13) all set up in anodal contact base (5), unsmooth piece (11) have been seted up to PCB board (4) left side bottom, and unsmooth piece (11) insert in buckle (16), buckle (16) are set up at anodal contact base (5) left side lower extreme, spacing platform (15) have been seted up to PCB board (4) left side upper end, and spacing platform (15) all insert in spacing groove (14), spacing groove (14) are all set up in anodal contact base (5) left side upper end.

3. An assembled and structurally simple rechargeable lithium battery as claimed in claim 1, further comprising: positive pole contact base (5) openly and reverse side all the hot melt laminating have fixed column (7), and fixed column (7) all insert in fixed orifices (8), fixed orifices (8) are seted up on metal casing (1) right side.

4. An assembled and structurally simple rechargeable lithium battery as claimed in claim 1, further comprising: the negative elastic sheet (12) and the positive elastic sheet (10) are both in a bow shape.

5. An assembled and structurally simple rechargeable lithium battery as claimed in claim 2, further comprising: concave-convex block (11) all set up to the quadrangle, and concave-convex block (11) right side sets up to the slope form, concave-convex block (11) left side sets up to the right angle.

6. An assembled and structurally simple rechargeable lithium battery as claimed in claim 3, further comprising: the fixing columns (7) are all arranged to be waist-shaped convex blocks, the fixing holes (8) are all arranged to be waist-shaped holes, and the diameters of the inner walls of the waist-shaped convex blocks arranged on the fixing columns (7) are equal to the diameters of the inner walls of the waist-shaped holes arranged on the fixing holes (8).

7. An assembled and structurally simple rechargeable lithium battery as claimed in claim 1, further comprising: the front surface of the positive electrode contact base (5) is provided with another waist-shaped hole, and the diameter of the inner wall of the other waist-shaped hole formed in the front surface of the positive electrode contact base (5) is equal to the diameter of the surface of the socket (3).