CN216085120U

CN216085120U - Outer wrapping and fixing structure of columnar lithium battery

Info

Publication number: CN216085120U
Application number: CN202122066220.2U
Authority: CN
Inventors: 周仁超; 田梦露
Original assignee: Laiqioh Internet Technology Shenzhen Co ltd
Current assignee: Laiqioh Internet Technology Shenzhen Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-03-18
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses an outer wrapping and fixing structure of a columnar lithium battery, and relates to the technical field of lithium batteries. The utility model comprises a shell, wherein an inner protective shell is arranged on the inner side of the shell, and a plurality of buffer devices are arranged between the upper end and the lower end of the inner protective shell and the shell; the buffering device comprises two connecting cylinders and a rotary cylinder, the inner part of the rotary cylinder is in threaded connection with two round rods, and one end of each round rod, which extends out of the rotary cylinder, is provided with a rectangular block. According to the utility model, the springs are arranged in the two connecting cylinders, so that the vibration borne by the inner protective shell can be alleviated, further the damage of the lithium battery in the inner protective shell caused by vibration is reduced, further the service life of the lithium battery is prolonged, the round rod can be quickly rotated out of the connecting cylinders through the arranged rotary drum, further the two connecting cylinders can be quickly disassembled, further the buffer device is convenient to replace, the inner protective shell is convenient to take out of the shell, and further the lithium battery is convenient to maintain and replace.

Description

Outer wrapping and fixing structure of columnar lithium battery

Technical Field

The utility model belongs to the technical field of lithium batteries, and particularly relates to an outer wrapping and fixing structure of a columnar lithium battery.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a positive/negative electrode material and uses a non-aqueous electrolyte solution, and the lithium metal has very high requirements on the environment due to the very active chemical characteristics of the lithium metal, so that the lithium metal can be processed, stored and used. With the development of scientific technology, lithium batteries have become the mainstream.

Current column lithium cell protection architecture generally divide into inlayer and skin, and the lithium cell packing is in the inlayer, and inlayer structural mounting is in outer structural inside, and then plays the multilayer protect function to the lithium cell, does not however set up buffer structure between the inlayer of most lithium cells and the skin, and the lithium cell is when taking place the vibration, is difficult to the inside battery of fine protection, and is comparatively troublesome to the change of inlayer battery.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an outer wrapping and fixing structure of a columnar lithium battery, which can alleviate the vibration borne by an inner protective shell through a plurality of springs arranged inside two connecting cylinders, further reduce the damage of the lithium battery in the inner protective shell caused by vibration, further prolong the service life of the lithium battery, can quickly rotate a round rod out of the connecting cylinders through the arranged rotary drum, further quickly disassemble the two connecting cylinders, further facilitate the replacement of a buffer device, and conveniently take out the inner protective shell from a shell, further facilitate the maintenance and replacement of the lithium battery, and solve the problems in the prior art.

In order to achieve the purpose, the utility model is realized by the following technical scheme:

an outer wrapping and fixing structure of a columnar lithium battery comprises a shell, wherein an inner protective shell is arranged on the inner side of the shell, and a plurality of buffering devices are arranged between the upper end and the lower end of the inner protective shell and the shell;

the buffering device comprises two connecting cylinders and a rotary cylinder, the interior of the rotary cylinder is in threaded connection with two round rods, and a rectangular block is mounted at one end of each round rod, which extends out of the rotary cylinder;

a support plate is arranged on one side of the connecting cylinder, a sucker is arranged on one side of the support plate, a sliding plate is in sliding fit with the inner wall of the connecting cylinder, a rectangular cylinder is arranged on one side of the sliding plate, and a plurality of springs are connected to the other side of the sliding plate;

one end cooperation of rectangular block is in a rectangular cylinder, and buffer's two sucking discs adsorb respectively including one side of protective housing and the inner wall of shell.

Optionally, the opposite sides of two connecting cylinders have all been seted up the slide opening, and the round bar stretches into the inside of connecting cylinder through the slide opening.

Optionally, two internal threads with opposite threads are formed on the periphery of the inner wall of the rotary drum, and external threads matched with the internal threads are formed on the periphery of the round rod.

Optionally, the two opposite sides of the inner wall of the shell are respectively provided with an elastic plate, one side of each elastic plate is connected with a sponge block, and one side of each sponge block is attached to the inner protective shell.

Optionally, the opposite side of the housing is provided with a plurality of heat dissipation holes.

Optionally, a plurality of water absorption pieces are installed on the inner wall of the shell and are located on one side of the heat dissipation hole.

The embodiment of the utility model has the following beneficial effects:

according to the embodiment of the utility model, the springs are arranged in the two connecting cylinders, so that the vibration borne by the inner protective shell can be alleviated, further the damage of the lithium battery in the inner protective shell due to vibration is reduced, further the service life of the lithium battery is prolonged, the round rod can be quickly rotated out of the connecting cylinders through the arranged rotary drum, further the two connecting cylinders can be quickly disassembled, further the buffer device is convenient to replace, the inner protective shell is convenient to take out of the shell, and further the lithium battery is convenient to maintain and replace.

Of course, it is not necessary for any product in which the utility model is practiced to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

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

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention;

FIG. 3 is a cross-sectional view of a buffer device according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a portion a in fig. 3.

Wherein the figures include the following reference numerals:

the heat-radiating hole-type water-absorbing plate comprises a shell 1, a heat-radiating hole 101, a water-absorbing sheet 2, an inner protective shell 3, an elastic plate 4, a connecting cylinder 5, a supporting plate 501, a sliding plate 502, a rectangular cylinder 503, a spring 504, a sucking disc 505, a rotary cylinder 6, a round rod 601 and a rectangular block 602.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the utility model, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, a detailed description of known functions and known components of the utility model have been omitted.

Referring to fig. 1 to 4, in the present embodiment, an outer wrapping and fixing structure of a pillar-shaped lithium battery is provided, including: the device comprises a shell 1, wherein an inner protective shell 3 is arranged on the inner side of the shell 1, and a plurality of buffer devices are arranged between the upper end and the lower end of the inner protective shell 3 and the shell 1;

the buffering device comprises two connecting cylinders 5 and a rotating cylinder 6, two round rods 601 are connected with the inner part of the rotating cylinder 6 in a threaded manner, and a rectangular block 602 is installed at one end, extending out of the rotating cylinder 6, of each round rod 601;

a supporting plate 501 is arranged on one side of the connecting cylinder 5, a sucker 505 is arranged on one side of the supporting plate 501, a sliding plate 502 is in sliding fit with the inner wall of the connecting cylinder 5, a rectangular cylinder 503 is arranged on one side of the sliding plate 502, and a plurality of springs 504 are connected on the other side of the sliding plate 502;

one end of the rectangular block 602 is fitted in the rectangular cylinder 503, and two suction cups 505 of the buffer device are respectively sucked to one side of the inner protective case 3 and the inner wall of the casing 1.

The application of one aspect of the embodiment is as follows: buffer when installation, the rectangle piece 602 at earlier pole 601 both ends inserts in rectangular cylinder 503, then adsorb one side of protective housing 3 and the inner wall of shell 1 including two sucking discs 505 respectively, then rotate rotary drum 6, make pole 601 slowly roll out in by rotary drum 6, support the depths of connecting cylinder 5 with slide 502, and then make slide 502 compression spring 504, make between the inner wall of protective housing 3 and shell 1 including whole buffer fastens, can accomplish the installation, dismantle otherwise can, and then can relax the vibration that protective housing 3 received through the spring 504 that sets up.

Through a plurality of springs 504 that set up in the inside of two connecting cylinders 5, can alleviate the vibration that the inner protective housing 3 received, and then reduced the damage that the lithium cell in the inner protective housing 3 caused because of the vibration, and then improved the life of lithium cell, through the rotary drum 6 that sets up, can be quick roll round bar 601 out connecting cylinder 5, and then can be quick dismantle two connecting cylinders 5, and then made things convenient for and changed buffer, and be convenient for take out the inner protective housing 3 in by shell 1, and then be convenient for maintain and change the lithium cell.

Note that the lithium battery is located inside the inner protective case 3.

The opposite sides of two connecting cylinders 5 of this embodiment have all been seted up the slide opening, and round bar 601 stretches into the inside of connecting cylinder 5 through the slide opening.

In the present embodiment, two internal threads with opposite threads are formed on the periphery of the inner wall of the drum 6, and external threads adapted to the internal threads are formed on the periphery of the round bar 601.

Elastic plate 4 is all installed to the double-phase offside of the 1 inner wall of shell of this embodiment, and 4 one sides of elastic plate are connected with the sponge piece, and one side and the 3 laminating of inner protective housing of sponge piece. The sponge block and the elastic plate 4 can protect the side surface of the inner protective shell 3, and extrusion and vibration on the side surface of the lithium battery are reduced.

The housing 1 of the present embodiment has a plurality of heat dissipation holes 101 formed on opposite sides thereof.

The inner wall of the housing 1 of the present embodiment is mounted with a plurality of water absorbing sheets 2, and the water absorbing sheets 2 are located at one side of the heat dissipating holes 101.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. An outer wrapping fixing structure of a columnar lithium battery, comprising: the shock absorber comprises a shell (1), wherein an inner protective shell (3) is arranged on the inner side of the shell (1), and a plurality of buffer devices are arranged between the upper end and the lower end of the inner protective shell (3) and the shell (1);

the buffering device comprises two connecting cylinders (5) and a rotating cylinder (6), two round rods (601) are connected to the inner portion of the rotating cylinder (6) in a threaded mode, and a rectangular block (602) is installed at one end, extending out of the rotating cylinder (6), of each round rod (601);

a supporting plate (501) is installed on one side of the connecting cylinder (5), a sucker (505) is installed on one side of the supporting plate (501), a sliding plate (502) is in sliding fit with the inner wall of the connecting cylinder (5), a rectangular cylinder (503) is installed on one side of the sliding plate (502), and a plurality of springs (504) are connected to the other side of the sliding plate (502);

one end of the rectangular block (602) is matched in the rectangular cylinder (503), and two suckers (505) of the buffer device are respectively adsorbed on one side of the inner protective shell (3) and the inner wall of the shell (1).

2. The external wrapping fixing structure of a cylindrical lithium battery as claimed in claim 1, wherein the opposite sides of the two connecting cylinders (5) are provided with slide holes, and the round bar (601) is inserted into the inside of the connecting cylinders (5) through the slide holes.

3. The outer wrapping and fixing structure of a cylindrical lithium battery as claimed in claim 1, wherein the inner wall of the drum (6) is provided with two internal threads with opposite threads on the peripheral side, and the round bar (601) is provided with external threads adapted to the internal threads on the peripheral side.

4. The outer wrapping and fixing structure of a cylindrical lithium battery as claimed in claim 1, wherein two opposite sides of the inner wall of the case (1) are respectively provided with an elastic plate (4), one side of the elastic plate (4) is connected with a sponge block, and one side of the sponge block is attached to the inner protective case (3).

5. The outer wrapping and fixing structure of a lithium cylindrical battery according to claim 1, wherein a plurality of heat dissipation holes (101) are formed at opposite sides of the case (1).

6. The outer wrapping fixing structure of a lithium cylindrical battery according to claim 5, wherein a plurality of water absorbing sheets (2) are installed on the inner wall of the case (1), and the water absorbing sheets (2) are located at one side of the heat dissipating holes (101).