CN212085088U

CN212085088U - Lithium battery shell with high safety coefficient

Info

Publication number: CN212085088U
Application number: CN202020828813.0U
Authority: CN
Inventors: 孔祥丽
Original assignee: Yangzhou Jingshengyuan Electromechanical Co ltd
Current assignee: Yangzhou Jingshengyuan Electromechanical Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2020-12-04
Anticipated expiration: 2030-05-18

Abstract

The utility model relates to a lithium battery shell technical field discloses a lithium battery shell with high factor of safety, which comprises a housin, the upper end left and right sides of casing all sets up threaded hole, the upside of casing is equipped with the closing cap, the upper and lower both ends of closing cap all run through the bolt, two the bolt respectively with two screw hole looks adaptations, be equipped with the lithium cell in the casing, the through-hole has been seted up to the front end of casing, be equipped with the exhaust fan in the through-hole, equidistance fixed mounting has three connecting rod, three on the exhaust fan the connecting rod all with the inboard fixed connection of through-hole. The utility model discloses a bolt and screw hole screwed connection to can fix the lithium cell in the inboard of casing, when using or charging, thereby can discharge the heat that produces when using or when charging the lithium cell in the casing through starting the exhaust fan, further can effectually prevent that the heat from piling up and causing the damage to the lithium cell, comparatively practical is fit for extensively promoting and using.

Description

Lithium battery shell with high safety coefficient

Technical Field

The utility model relates to a lithium battery shell technical field specifically is a lithium battery shell with high factor of safety.

Background

The lithium battery is a novel high-energy battery successfully developed in the 20 th century and has the characteristics of high energy, high battery voltage, wide working temperature range and long service life. The lithium battery is used as a sealed rechargeable battery with high energy density, is mainly applied to the fields of mobile phones, cameras, notebook computers, video cameras and the like in the early stage, has a relatively small battery volume, and is increasingly widely applied to the fields along with the research of people on the lithium battery.

In the process of implementing the present invention, the inventor finds that at least the following problems exist in the prior art and are not solved: the existing lithium battery can generate heat when being used and charged, if the heat can not be discharged out of a battery case in time, the heat is accumulated to damage the lithium battery, even explode, and therefore the lithium battery case with the high safety coefficient is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium cell shell with high factor of safety has solved the problem that proposes in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium battery shell with high safety coefficient comprises a shell body;

threaded holes are formed in the left side and the right side of the upper end of the casing, a sealing cover is arranged on the upper side of the casing, bolts penetrate through the upper end and the lower end of the sealing cover respectively and are matched with the two threaded holes respectively, a lithium battery is arranged in the casing, a through hole is formed in the front end of the casing, an exhaust fan is arranged in the through hole, three connecting rods are fixedly mounted on the exhaust fan at equal intervals, and the connecting rods are fixedly connected with the inner sides of the through holes.

As a preferred embodiment of the utility model, the upper end electric connection of lithium cell has cross anodal post and cylinder type negative pole post, corresponding cross connecting hole and cylinder type connecting hole have been seted up on the closing cap.

As a preferred embodiment of the present invention, the front end of the through hole is fixedly connected with a filter screen.

As an optimized embodiment of the utility model, the equal fixed mounting in the inner chamber bottom left and right sides of casing has the rubber pad.

As an optimal implementation manner of the present invention, two the outer side of the bolt is all sleeved with a rubber sleeve.

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

1. the utility model relates to a lithium battery shell with high factor of safety passes through bolt and screw hole screwed connection to can fix the lithium cell in the inboard of casing, when using or when charging, thereby can discharge the heat that produces when perhaps charging when using the interior lithium cell of casing through starting the exhaust fan, further can effectually prevent that the heat from piling up and causing the damage to the lithium cell.

2. The utility model relates to a lithium battery shell with high factor of safety can effectually avoid positive negative pole post and cylinder type negative pole post to connect wrong emergence short circuit to cause the damage to the lithium cell through the setting of cross positive pole post and cylinder type connecting hole to conveniently connect the wire through cross connecting hole and cylinder type connecting hole.

3. The utility model relates to a lithium battery shell with high factor of safety can effectually avoid debris to enter into the casing through setting up of filter screen and adsorb the radiating effect that influences the lithium cell at the lithium cell.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a front view of a lithium battery case having a high safety factor according to the present invention;

fig. 2 is a top view of a lithium battery case with a high safety factor according to the present invention;

fig. 3 is a front view of a lithium battery case exhaust fan with a high safety factor according to the present invention;

fig. 4 is a top view of the lithium battery case cover with high safety factor of the present invention.

In the figure: 1. a housing; 2. a filter screen; 3. sealing the cover; 4. a bolt; 5. a rubber sleeve; 6. a threaded hole; 7. A lithium battery; 8. a cylindrical negative pole post; 9. a cross-shaped positive post; 10. an exhaust fan; 11. a rubber pad; 12. A through hole; 13. a connecting rod; 14. a cylindrical connection hole; 15. a cross-shaped connecting hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "disposed" are to be interpreted broadly, and may be, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the utility model discloses in provide only supply the reference with the model of electrical apparatus. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

Referring to fig. 1-4, the present invention provides a technical solution: a lithium battery shell with high safety coefficient comprises a shell body 1;

the left side and the right side of the upper end of the shell 1 are both provided with threaded holes 6, the upper side of the shell 1 is provided with a sealing cover 3, the upper end and the lower end of the sealing cover 3 are both penetrated with bolts 4, the two bolts 4 are respectively matched with the two threaded holes 6, a lithium battery 7 is arranged in the shell 1, a through hole 12 is arranged at the front end of the shell 1, an exhaust fan 10 is arranged in the through hole 12, three connecting rods 13 are fixedly arranged on the exhaust fan 10 at equal intervals, the three connecting rods 13 are all fixedly connected with the inner side of the through hole 12, the lithium battery 7 can be fixed on the inner side of the shell 1 through the screw connection of the bolt 4 and the screw hole 6, when using or charging, thereby can discharge the heat that produces when using or charging lithium cell 7 in casing 1 through starting exhaust fan 10, further can effectually prevent that the heat from piling up and causing the damage to lithium cell 7.

In this embodiment (as shown in fig. 2 and 4), the upper end electric connection of lithium cell 7 has cross positive post 9 and cylinder type negative pole post 8, set up corresponding cross connecting hole 15 and cylinder type connecting hole 14 on the closing cap 3, can effectually avoid positive negative pole post to connect wrong emergence short circuit to cause the damage to lithium cell 7 through setting up of cross positive post 9 and cylinder type negative pole post 8 to conveniently connect the wire through cross connecting hole 15 and cylinder type connecting hole 14.

In this embodiment (please refer to fig. 1), the filter screen 2 is fixedly connected to the front end of the through hole 12, and the filter screen 2 can effectively prevent impurities from entering the housing 1 and being adsorbed on the lithium battery 7 to affect the heat dissipation effect of the lithium battery 7.

In this embodiment (please refer to fig. 3), rubber pads 11 are fixedly mounted on both sides of the bottom end of the inner cavity of the housing 1, and the lithium battery 7 can be effectively supported by the rubber pads 11, so as to further prevent the housing 1 from damaging the lithium battery 7.

In this embodiment (please refer to fig. 1), the rubber sleeves 5 are respectively sleeved on the outer sides of the two bolts 4, and the bolts 4 can be effectively protected by the rubber sleeves 5, so that the corrosion of the bolts 4 is further slowed down, and the service life of the bolts 4 is prolonged.

It should be noted that the utility model relates to a lithium battery shell with high safety factor, which comprises a shell body 1, a filter screen 2, a sealing cover 3, a bolt 4, a rubber sleeve 5, a threaded hole 6, a lithium battery 7, a cylindrical cathode post 8, a cross anode post 9, an exhaust fan 10, a rubber pad 11, a through hole 12, a connecting rod 13, a cylindrical connecting hole 14 and a cross connecting hole 15, wherein the components are all universal standard components or components known by technicians in the field, the structure and principle of the components can be known by technical manuals or conventional experimental methods, when in work, the lithium battery 7 can be fixed at the inner side of the shell body 1 by the screw connection of the bolt 4 and the threaded hole 6, when in use or in charging, the heat generated when the lithium battery 7 in the shell body 1 is used or in charging can be discharged by starting the exhaust fan 10, further can effectually prevent that the heat from piling up and causing the damage to lithium cell 7, can effectually avoid positive negative pole post 9 and the wrong emergence short circuit of cylinder type negative pole post 8 to lead to the fact the damage to lithium cell 7 through setting up of cross positive pole post 9 and cylinder type negative pole post, and conveniently connect the wire through cross connecting hole 15 and cylinder type connecting hole 14, can effectually avoid debris to enter into the radiating effect that adsorbs influence lithium cell 7 at lithium cell 7 in casing 1 through setting up of filter screen 2, can effectually support lithium cell 7 through setting up of rubber pad 11, further prevent that casing 1 from causing the damage to lithium cell 7, can effectually protect bolt 4 through setting up of rubber sleeve 5, further corrosion that slows down bolt 4, thereby prolong bolt 4's life.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A lithium battery case with a high safety factor, characterized by comprising a case body (1);

threaded hole (6) are all seted up to the upper end left and right sides of casing (1), the upside of casing (1) is equipped with closing cap (3), bolt (4) have all been run through at the upper and lower both ends of closing cap (3), two bolt (4) respectively with two screw hole (6) looks adaptations, be equipped with lithium cell (7) in casing (1), through-hole (12) have been seted up to the front end of casing (1), be equipped with exhaust fan (10) in through-hole (12), equidistant fixed mounting has three connecting rod (13), three on exhaust fan (10) connecting rod (13) all with the inboard fixed connection of through-hole (12).

2. A lithium battery case with a high safety factor according to claim 1, characterized in that: the lithium battery is characterized in that the upper end of the lithium battery (7) is electrically connected with a cross positive pole post (9) and a cylindrical negative pole post (8), and a corresponding cross connecting hole (15) and a corresponding cylindrical connecting hole (14) are formed in the sealing cover (3).

3. A lithium battery case with a high safety factor according to claim 1, characterized in that: the front end of the through hole (12) is fixedly connected with a filter screen (2).

4. A lithium battery case with a high safety factor according to claim 1, characterized in that: rubber pads (11) are fixedly mounted on the left side and the right side of the bottom end of the inner cavity of the shell (1).

5. A lithium battery case with a high safety factor according to claim 1, characterized in that: the outer sides of the two bolts (4) are all sleeved with rubber sleeves (5).