CN210805910U

CN210805910U - Dual-head chargeable and dischargeable lithium battery with fool-proof function

Info

Publication number: CN210805910U
Application number: CN201922021113.0U
Authority: CN
Inventors: 吴月容; 胡仲德; 宋维根
Original assignee: Dongguan Meinovo Energy Technology Co ltd
Current assignee: Huizhou meianshi Energy Technology Co., Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-06-19
Anticipated expiration: 2029-11-21

Abstract

The utility model discloses a lithium cell that slow-witted is prevented in double-end chargeable and dischargeable area, including battery body, cover shell, even board, jack, electrode body, insulation board, anodal ear, negative pole ear, bulge loop, annular and packaging body, its characterized in that: the battery body both ends cooperation cover is equipped with the cover shell, and the cover shell is through the even board fixed connection that the symmetry set up, the cover shell inner wall is fixed with the bulge loop, the annular has been seted up to the battery body outer wall, and bulge loop and annular slip joint, battery body internally mounted has the electrode body, and the electrode body both ends are packaged with the insulation board, the battery body both ends all are equipped with anodal ear and negative pole ear, and this double-end chargeable and dischargeable area prevents slow-witted lithium cell passes through the design of anodal ear and the negative pole ear connection at both ends, can carry out bi-polar charge-discharge grafting, and the rotation of cooperation cover shell makes the jack align respectively with anodal ear and the negative pole ear at battery body both ends, has very strong prevent slow-witted function, avoids the mistake.

Description

Dual-head chargeable and dischargeable lithium battery with fool-proof function

Technical Field

The utility model relates to a lithium cell technical field specifically is a lithium cell that slow-witted is prevented in double-end chargeable and dischargeable area.

Background

Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain metallic lithium and can be charged, and the fifth generation lithium metal batteries of rechargeable batteries were born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of the lithium metal batteries are superior to those of the lithium ion batteries. Due to its own high technical requirement limits, only a few national companies are producing such lithium metal batteries today.

The lithium ion battery is used in a large amount in life, but many users have many irregular operation behaviors, most commonly, the charging is reversed, and the charging damage and even danger are easily caused.

The fool-proof technology of the battery is that the insertion of the positive electrode and the negative electrode is limited through a special design, the existing lithium ion battery does not have a good fool-proof function, and the use safety is reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell that slow-witted is prevented in double-end chargeable and dischargeable area to solve the problem that provides in 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 lithium cell that slow-witted is prevented in double-end chargeable and dischargeable area, includes the battery body, cover shell, even board, jack, electrode body, insulation board, positive electrode tab, negative pole ear, bulge loop, annular and packaging body, battery body both ends cooperation cover is equipped with the cover shell, and the cover shell is through even board fixed connection that the symmetry set up, cover shell inner wall is fixed with the bulge loop, the annular has been seted up to the battery body outer wall, and bulge loop and annular slip joint, battery body internally mounted has the electrode body, and the electrode body both ends are packaged with the insulation board, the battery body both ends all are equipped with positive electrode tab and negative pole ear, and positive electrode tab and negative pole ear crisscross setting perpendicularly, positive electrode tab and negative pole ear correspond with the electrode body respectively and are connected, battery body tip is located positive electrode tab and negative pole ear outside encapsulation and is fixed.

Preferably, the positive tab and the negative tab have the same structure, the positive tab comprises an electrode shell and electrode plates, the electrode shell is symmetrically arranged, and the electrode shell is integrally fixed through the electrode plates.

Preferably, the bottom surface inside the electrode shell is fixed with a spring plate.

Preferably, the casing and the connecting plate are made of hard plastics, and the casing and the connecting plate are integrally injection-molded.

Preferably, the outer wall of the shell is provided with a insection shape.

Preferably, the cross sections of the convex ring and the annular groove are in matched arc shapes.

Compared with the prior art, the beneficial effects of the utility model are that: the cover shell can be twisted to move when the device charges and the casing rotates, make jack and anodal ear or negative pole ear align, the jack at battery body both ends corresponds anodal ear and negative pole ear respectively, make the equal charging and discharging connection in battery body both ends, but this double-end charging and discharging area prevents that the lithium cell of staying passes through the anodal ear and the design of negative pole ear connection at both ends, can carry out bi-polar charge-discharge grafting, the rotation of cooperation casing, make the jack align respectively with anodal ear and the negative pole ear at battery body both ends, very strong preventing staying function has, avoid the misuse of misplugging, convenience in utilization and security are improved.

Drawings

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

FIG. 2 is a schematic view of the structure of the casing end surface of the present invention;

fig. 3 is a schematic view of the tab connection and installation structure of the present invention;

fig. 4 is a schematic view of the tab packaging and fixing structure of the present invention;

fig. 5 is a schematic diagram of a staggered layout structure of the positive electrode tab and the negative electrode tab of the present invention;

fig. 6 is a schematic view of the structure of the positive tab of the present invention;

fig. 7 is a schematic view of the structure of the elastic sheet of the present invention.

In the figure: 1. a battery body; 2. a housing; 3. connecting plates; 4. a jack; 5. an electrode body; 6. an insulating plate; 7. a positive tab; 8. a negative tab; 9. a convex ring; 10. a ring groove; 11. a package body; 12. an electrode case; 13. an electrode sheet; 14. an elastic sheet.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a double-head chargeable and dischargeable fool-proof lithium battery comprises a battery body 1, a casing 2, a connecting plate 3, a jack 4, an electrode body 5, an insulating plate 6, a positive tab 7, a negative tab 8, a convex ring 9, a ring groove 10 and a packaging body 11, wherein the casing 2 is sleeved at two ends of the battery body 1 in a matching way, the casing 2 is fixedly connected through the symmetrically arranged connecting plates 3, the inner wall of the casing 2 is fixed with a convex ring 9, the outer wall of the battery body 1 is provided with a ring groove 10, the convex ring 9 is connected with the ring groove 10 in a sliding way, the battery body 1 is internally provided with an electrode body 5, the two ends of the electrode body 5 are encapsulated with insulating plates 6, the two ends of the battery body 1 are both provided with a positive electrode lug 7 and a negative electrode lug 8, and positive tab 7 and the perpendicular crisscross setting of negative pole ear 8, positive tab 7 and negative pole ear 8 correspond respectively with the electrode body 5 and are connected, and 1 tip of battery body is located positive tab 7 and the outside encapsulation of negative pole ear 8 and is fixed with packaging body 11, and jack 4 has been seted up to 2 terminal surface symmetries of cover shell.

Can twist when the device charges and move cover shell 2 and rotate, make jack 4 align with anodal ear 7 or negative pole ear 8, the jack 4 at 1 both ends of the battery body corresponds anodal ear 7 and negative pole ear 8 respectively, make the equal charging and discharging connection in 1 both ends of the battery body, this double-end can charge and discharge the lithium cell that the area prevents slow-witted through anodal ear 7 and the 8 connection design of negative pole ear at both ends, can carry out double-end charge-discharge and peg graft, the rotation of cooperation cover shell 2, make jack 4 align respectively with anodal ear 7 and negative pole ear 8 at 1 both ends of the battery body, very strong prevent slow-witted function has, avoid the misuse of misplugging, improve convenience in utilization and security.

Positive tab 7 is the same with negative pole ear 8 structure, and positive tab 7 includes electrode shell 12 and electrode slice 13, and electrode shell 12 symmetry sets up, and electrode shell 12 passes through electrode slice 13 integrative fixed, can peg graft with the charging structure is stable through electrode shell 12.

The bottom surface of the inside of the electrode shell 12 is fixed with an elastic sheet 14, so that the electrode connection stability is improved.

The shell 2 and the connecting plate 3 are made of hard plastics, and the shell 2 and the connecting plate 3 are integrally injection-molded, so that the production cost is low, the stress strength is high, and the service life is long.

The 2 outer walls of the housing are provided with the insection shape, so that the housing 2 is convenient to screw.

The sections of the convex ring 9 and the ring groove 10 are in a matched arc shape, so that the rotating and sliding effects are increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a lithium cell that slow-witted is prevented in double-end chargeable and dischargeable area, includes battery body (1), cover shell (2), even board (3), jack (4), electrode body (5), insulation board (6), positive pole ear (7), negative pole ear (8), bulge loop (9), annular (10) and packaging body (11), its characterized in that: the two ends of the battery body (1) are sleeved with the casing (2) in a matching way, and the casing (2) is fixedly connected through the connecting plates (3) which are symmetrically arranged, a convex ring (9) is fixed on the inner wall of the casing (2), a ring groove (10) is arranged on the outer wall of the battery body (1), the convex ring (9) is in sliding clamping connection with the ring groove (10), the electrode body (5) is arranged in the battery body (1), insulating plates (6) are packaged at two ends of the electrode body (5), positive lugs (7) and negative lugs (8) are arranged at two ends of the battery body (1), the positive electrode tabs (7) and the negative electrode tabs (8) are vertically staggered, the positive electrode tabs (7) and the negative electrode tabs (8) are respectively and correspondingly connected with the electrode body (5), the end part of the battery body (1) is positioned outside the positive lug (7) and the negative lug (8) and is fixedly packaged with a packaging body (11), and the end face of the casing (2) is symmetrically provided with the jacks (4).

2. The lithium battery of claim 1, wherein the lithium battery comprises: the structure of the positive tab (7) is the same as that of the negative tab (8), the positive tab (7) comprises an electrode shell (12) and electrode plates (13), the electrode shell (12) is symmetrically arranged, and the electrode shell (12) is integrally fixed through the electrode plates (13).

3. The lithium battery of claim 2, wherein the lithium battery comprises: and the bottom surface in the electrode shell (12) is fixed with an elastic sheet (14).

4. The lithium battery of claim 1, wherein the lithium battery comprises: the casing (2) and the connecting plate (3) are made of hard plastics, and the casing (2) and the connecting plate (3) are integrally formed by injection molding.

5. The lithium battery of claim 1, wherein the lithium battery comprises: the outer wall of the shell (2) is provided with a insection shape.

6. The lithium battery of claim 1, wherein the lithium battery comprises: the sections of the convex ring (9) and the annular groove (10) are in a matched arc shape.