CN214043849U

CN214043849U - 5V lithium battery with impact-resistant shell

Info

Publication number: CN214043849U
Application number: CN202120089648.6U
Authority: CN
Inventors: 毛艳; 黎傲杰; 周燕; 黎霞; 温伟超
Original assignee: Shenzhen Shun Amperex Technology Ltd
Current assignee: Shenzhen Shun Amperex Technology Ltd
Priority date: 2021-01-13
Filing date: 2021-01-13
Publication date: 2021-08-24
Anticipated expiration: 2031-01-13

Abstract

The utility model discloses a 5V lithium cell with shell shocks resistance, which comprises an outer shell, fixedly connected with mounting box in the shell, swing joint has lithium cell body in the mounting box, shell body upper end swing joint has the heat dissipation box, the first mounting of shell body left end upside and right-hand member upside fixedly connected with symmetric distribution, set up threaded hole on the first mounting, the second mounting of heat dissipation box left end downside and right-hand member downside fixedly connected with symmetric distribution, the through-hole has been seted up on the second mounting, it has the bolt to peg graft in the through-hole. This 5V lithium cell with shell shocks resistance is provided with the mounting box through the shell body in, and lithium cell body is located the mounting box, and the strengthening rib is installed to shell body internal four corners department, increases the support nature, shocks resistance, and the shell fragment that the several equidistance distributes is still installed to the mounting box inner wall, and the shell fragment is metal material arc structure, through the deformability of shell fragment, can cushion the absorption to the impact force.

Description

5V lithium battery with impact-resistant shell

Technical Field

The utility model relates to a lithium battery equipment technical field specifically is a 5V lithium cell with shell shocks resistance.

Background

The lithium battery uses a lithium alloy metal oxide as a positive electrode material and graphite as a negative electrode material, and uses a nonaqueous electrolyte solution.

The lithium ion battery is widely applied to mobile phones, notebook computers, electric tools, electric vehicles and various small household appliances, and can be said to be the largest application group, but the existing lithium batteries are poor in protection performance and have no shock resistance, when the lithium batteries are in strong collision, the short circuit and explosion of the batteries or direct puncture and damage of the batteries can be caused, lithium ions in the lithium batteries can directly generate chemical reaction with oxygen in the air, and the phenomenon of violent combustion can also occur.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a 5V lithium cell with shell shocks resistance to propose the relatively poor problem of current lithium cell barrier propterty in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a 5V lithium cell with shell shocks resistance, includes the shell body, fixedly connected with mounting box in the shell body, swing joint has lithium cell body in the mounting box, shell body upper end swing joint has the heat dissipation box, the first mounting of shell body left end upside and right-hand member upside fixedly connected with symmetric distribution, set up threaded hole on the first mounting, the second mounting of heat dissipation box left end downside and right-hand member downside fixedly connected with symmetric distribution, the through-hole has been seted up on the second mounting, it has the bolt to peg graft in the through-hole, shell body lower extreme swing joint has the bottom plate, the hollow tube of bottom plate upper end fixedly connected with equidistance distribution, the slide bar of shell body lower extreme fixedly connected with equidistance distribution.

Preferably, the lower end of the sliding rod is fixedly connected with a limiting block, the sliding rod is inserted into the hollow tube, a pressure spring is movably connected in the hollow tube, a limiting ring is fixedly connected at the inner upper side of the hollow tube, fixing holes distributed at equal intervals are formed in the bottom plate, the limiting block is located at the lower end of the limiting ring, and the pressure spring is located at the lower end of the limiting block.

Preferably, the heat dissipation box is internally and fixedly connected with heat dissipation fins distributed at equal intervals, the lower ends of the heat dissipation fins are positioned in the outer shell, the lower ends of the heat dissipation fins are fixedly connected with an insulating heat conduction plate, and the lower end of the insulating heat conduction plate is attached to the upper end of the lithium battery body.

Preferably, the bolt is in threaded connection with the threaded hole, and the front end and the rear end of the heat dissipation box are provided with heat dissipation holes distributed at equal intervals.

Preferably, the strengthening rib that fixedly connected with equidistance distributes in the shell body, the strengthening rib is located shell body internal four corners department, the shell fragment that left end, right-hand member, front end and rear end fixedly connected with equidistance distributed in the shell body, the shell fragment is metal material arc structure.

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

1. according to the 5V lithium battery with the shock-resistant shell, the installation box is arranged in the shell, the lithium battery body is positioned in the installation box, reinforcing ribs are arranged at four corners in the shell to increase the supporting property and resist shock, a plurality of elastic sheets are arranged on the inner wall of the installation box at equal intervals, the elastic sheets are of metal arc structures, and the impact force can be buffered and absorbed through the deformation capacity of the elastic sheets;

2. the 5V lithium battery with the shock-resistant shell comprises a heat dissipation structure consisting of parts such as a heat dissipation box, heat dissipation fins, an insulating heat conduction plate and the like, wherein the insulating heat conduction plate is attached to the surface of a lithium battery body, absorbs heat and transmits the heat to the heat dissipation fins, and the heat is discharged through the heat dissipation fins, so that the heat of the lithium battery body is reduced;

3. the 5V lithium battery with the impact-resistant shell is characterized in that an anti-vibration device is formed by parts such as a hollow tube, a sliding rod and a pressure spring, and vibration energy is buffered and absorbed by the aid of elastic force of the pressure spring and sliding of the sliding rod in the hollow tube.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the outer casing of the present invention;

FIG. 3 is a schematic view of the mounting structure of the outer casing and the bottom plate of the present invention;

fig. 4 is the schematic view of the internal structure of the heat dissipation box of the present invention.

In the figure: 1. an outer housing; 2. mounting a box; 3. a lithium battery body; 4. a heat dissipation box; 5. a first fixing member; 6. a threaded hole; 7. a second fixing member; 8. a through hole; 9. a bolt; 10. a base plate; 11. a hollow tube; 12. a slide bar; 13. a limiting block; 14. a pressure spring; 15. a limiting ring; 16. a fixing hole; 17. heat dissipation fins; 18. an insulating heat-conducting plate; 19. heat dissipation holes; 20. reinforcing ribs; 21. 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. 1-4, the present invention provides a technical solution: A5V lithium battery with an impact-resistant shell comprises an outer shell 1, a mounting box 2, a lithium battery body 3, a heat dissipation box 4, a first fixing piece 5, a threaded hole 6, a second fixing piece 7, a through hole 8, a bolt 9, a bottom plate 10, a hollow tube 11, a slide bar 12, a limiting block 13, a pressure spring 14, a limiting ring 15, a fixing hole 16, a heat dissipation fin 17, an insulating heat conduction plate 18, a heat dissipation hole 19, a reinforcing rib 20 and an elastic sheet 21, wherein the mounting box 2 is fixedly connected in the outer shell 1, the lithium battery body 3 is movably connected in the mounting box 2, the heat dissipation box 4 is movably connected at the upper end of the outer shell 1, the first fixing pieces 5 which are symmetrically distributed are fixedly connected at the upper sides of the left end and the right end of the outer shell 1, the threaded hole 6 is formed in the first fixing pieces 5, the second fixing pieces 7 which are symmetrically distributed are fixedly connected at the lower sides of the left end and the right end of the heat dissipation box 4, the through hole 8 is formed in the second fixing pieces 7, a bolt 9 is inserted in the through hole 8, the lower end of the outer shell 1 is movably connected with a bottom plate 10, the upper end of the bottom plate 10 is fixedly connected with hollow pipes 11 which are distributed at equal intervals, and the lower end of the outer shell 1 is fixedly connected with slide bars 12 which are distributed at equal intervals.

Further, slide bar 12 lower extreme fixedly connected with stopper 13, slide bar 12 pegs graft in hollow tube 11, swing joint has pressure spring 14 in the hollow tube 11, upside fixedly connected with spacing ring 15 in the hollow tube 11, set up the fixed orifices 16 that the equidistance distributes on the bottom plate 10, stopper 13 is located 15 lower extremes of spacing ring, pressure spring 14 is located stopper 13 lower extreme, through the elastic force of pressure spring 14 and the gliding of slide bar 12 in hollow tube 11, carry out the shock energy and cushion and absorb.

Further, the heat dissipation box 4 is internally fixedly connected with heat dissipation fins 17 distributed at equal intervals, the lower ends of the heat dissipation fins 17 are positioned in the outer shell 1, the lower ends of the heat dissipation fins 17 are fixedly connected with an insulating heat conduction plate 18, and the lower end of the insulating heat conduction plate 18 is attached to the upper end of the lithium battery body 3 to form a heat dissipation structure to assist the lithium battery body 3 in dissipating heat.

Further, the bolt 9 is in threaded connection with the threaded hole 6, the heat dissipation holes 19 are formed in the front end and the rear end of the heat dissipation box 4 and are distributed at equal intervals, and the heat dissipation box 4 is fixed to the upper end of the outer shell 1 through threaded connection between the bolt 9 and the threaded hole 6.

Further, the strengthening rib 20 that fixedly connected with equidistance distributes in the shell body 1, strengthening rib 20 are located shell body 1 internal four corners department, shell body 1 internal left end, right-hand member, front end and rear end fixedly connected with equidistance distribution's shell fragment 21, and shell fragment 21 is metal material arc structure, through the deformability of shell fragment 21, can cushion the absorption to the impulsive force.

The working principle is as follows: firstly, install lithium cell body 3 in mounting box 2, insert in bolt 9 through-hole 8, and with screw hole 6 threaded connection, make heat dissipation box 4 be fixed in shell body 1 upper end, insulating heat-conducting plate 18 laminates in lithium cell body 3 upper end this moment, and spacing to it, prevent to rock in mounting box 2, when meetting the striking impact, increase whole fastness through strengthening rib 20, and cushion the absorption through the deformability of shell fragment 21 to the impact force, and through the elastic force of pressure spring 14 and the gliding of slide bar 12 in hollow tube 11, further cushion the impact force, absorb the heat that produces during operation of lithium cell body 3 through insulating heat-conducting plate 18, and give heat radiation fins 17 heat conduction, discharge the heat outside shell body 1 by heat radiation fins 17, discharge outside heat dissipation box 4 by louvre 19 again.

It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.

Claims

1. A5V lithium battery with an impact-resistant shell comprises an outer shell body and is characterized in that: fixedly connected with mounting box in the shell body, swing joint has lithium cell body in the mounting box, shell body upper end swing joint has the heat dissipation box, the first mounting of shell body left end upside and right-hand member upside fixedly connected with symmetric distribution, set up threaded hole on the first mounting, the second mounting of heat dissipation box left end downside and right-hand member downside fixedly connected with symmetric distribution, the through-hole has been seted up on the second mounting, the bolt has been pegged graft in the through-hole, shell body lower extreme swing joint has the bottom plate, the hollow tube of bottom plate upper end fixedly connected with equidistance distribution, the slide bar of shell body lower extreme fixedly connected with equidistance distribution.

2. A 5V lithium battery having an impact resistant housing according to claim 1, wherein: the utility model discloses a hollow tube, including slide bar, bottom plate, stopper, hollow tube, swing joint, pressure spring, the interior side fixedly connected with spacing ring of hollow tube, set up the fixed orifices that the equidistance distributes on the bottom plate, the stopper is located the spacing ring lower extreme, the pressure spring is located the stopper lower extreme.

3. A 5V lithium battery having an impact resistant housing according to claim 1, wherein: the lithium battery comprises a lithium battery body and is characterized in that radiating fins distributed at equal intervals are fixedly connected in the radiating box, the lower ends of the radiating fins are located in an outer shell, an insulating heat-conducting plate is fixedly connected at the lower ends of the radiating fins, and the lower ends of the insulating heat-conducting plate are attached to the upper end of the lithium battery body.

4. A 5V lithium battery having an impact resistant housing according to claim 1, wherein: the bolt is in threaded connection with the threaded hole, and the front end and the rear end of the heat dissipation box are provided with heat dissipation holes distributed at equal intervals.

5. A 5V lithium battery having an impact resistant housing according to claim 1, wherein: the shell is characterized in that reinforcing ribs distributed at equal intervals are fixedly connected in the shell, the reinforcing ribs are located at four corners in the shell, elastic pieces distributed at equal intervals are fixedly connected at the left end, the right end, the front end and the rear end in the shell, and the elastic pieces are of arc-shaped structures made of metal materials.