CN213093268U

CN213093268U - Column type lithium battery

Info

Publication number: CN213093268U
Application number: CN202022259035.0U
Authority: CN
Inventors: 杨志刚
Original assignee: Guangdong Jiashang New Energy Technology Co ltd
Current assignee: Guangdong Jiashang New Energy Technology Co ltd
Priority date: 2020-10-12
Filing date: 2020-10-12
Publication date: 2021-04-30
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a columnar lithium cell, including the battery case body, the inside lithium cell that is equipped with of battery case body, the outside parcel of lithium cell has a well section of thick bamboo, is equipped with a plurality of evenly distributed's buffering post between lithium cell and the well section of thick bamboo, and the buffering post top is equipped with arc direction slope, and the buffering post adopts elastic rubber material to make, and buffering post fixed mounting is on a well section of thick bamboo inner wall, beneficial effect: through a section of thick bamboo in inside being provided with of battery case body, and be provided with the buffering ball between a section of thick bamboo and the battery case body, can be when this battery suffers external shock through the buffering ball that sets up, the buffering is protected to inside lithium cell, thereby prevent the battery short circuit, the safety in utilization is improved, this kind of structural design's columnar lithium cell is when in-service use, can effectively resist external shock, better buffering protection effect has, high safety in utilization, and can conveniently change the lithium cell of inside, performance, be convenient for install and dismantle, moreover, the steam generator is simple in structure, and reasonable in layout, and is suitable for being generalized to use.

Description

Column type lithium battery

Technical Field

The utility model relates to a lithium cell technical field specifically is a column type lithium cell.

Background

Lithium batteries, which are a type of batteries using a non-aqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material, were first proposed and studied by Gilbert n.lewis in 1912. In the 70 s of the 20 th century, m.s.whitetingham proposed and began to study lithium ion batteries. Because the chemical characteristics of lithium metal are very active, the requirements on the environment for processing, storing and using the lithium metal are very high. With the development of science and technology, lithium batteries have become the mainstream, and the existing lithium batteries are various, wherein the most used lithium batteries are the column-type lithium batteries, but the internal structure of the existing lithium batteries is not compact enough, so that the internal batteries are easily damaged when external force is applied, and the service life of the batteries is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a column type lithium cell to solve the problem that proposes among 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 columnar lithium cell, includes battery case body, the inside lithium cell that is equipped with of battery case body, the outside parcel of lithium cell has a well section of thick bamboo, be equipped with a plurality of evenly distributed's buffering post between lithium cell and the well section of thick bamboo, buffering capital end is equipped with arc direction slope, the buffering post adopts elastic rubber material to make, buffering post fixed mounting is on a well section of thick bamboo inner wall, every the inside equal fixed mounting of buffering post has a plurality of evenly distributed's bradyseism spring.

Preferably, a plurality of buffer balls are filled between the middle barrel and the battery shell, the upper surface of the battery shell is provided with a threaded through groove, the inner wall of the threaded through groove is provided with an internal thread, and a first insulating sheet is arranged above the battery shell.

Preferably, positive pole through-hole has been seted up to first insulation piece upper surface central point, fixed surface installs threaded connection board under the first insulation piece, be equipped with the external screw thread on the threaded connection board outer wall, first insulation piece passes through threaded connection board and the logical groove threaded connection of screw thread.

Preferably, a second insulating sheet is fixedly mounted on the bottom end panel of the battery outer shell, and the diameter of the second insulating sheet is larger than that of the first insulating sheet.

Preferably, the first insulating sheet and the second insulating sheet are made of PP materials, and the outer surfaces of the first insulating sheet and the second insulating sheet are both coated with inorganic nano-porous materials, and the inorganic nano-materials are alumina.

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

1. through being provided with well section of thick bamboo in battery case body is inside, and be provided with the buffering ball between well section of thick bamboo and the battery case body, can protect the buffering to inside lithium cell when this battery suffers external shock through the buffering ball that sets up to prevent the battery short circuit, improve the safety in utilization.

2. Through be provided with the buffering post on well section of thick bamboo inner wall, be provided with arc direction slope through the buffering post, can play certain guide effect when the lithium cell is inserting in the battery shell, make things convenient for the lithium cell to insert, simultaneously through a plurality of buffering posts that set up, can wrap up the lithium cell after the lithium cell inserts and tighten, prevent effectively that it from rocking in inside, increase the structure steadiness, through be provided with the bradyseism spring in buffering post inside, can carry out the buffering of second grade atress to external force through the bradyseism spring that sets up, thereby play the effect of second grade protection, service performance is good.

3. But pass through the groove through the screw thread through being provided with in battery case body top, but pass through the first insulation piece of threaded connection through the screw thread that sets up to seal up the battery case body upper surface through first insulation piece, threaded connection's mode simultaneously can conveniently take out the lithium cell change, convenient to detach, performance is good, to sum up, this kind of structural design's columnar lithium cell can effectively resist external shock when in-service use, has better buffering protection effect, and the safety in utilization is high, and can conveniently change the lithium cell of inside, and performance, the installation and dismantlement of being convenient for, simple structure, rationally distributed is fit for using widely.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention;

FIG. 2 is an enlarged schematic view of the area A of the present invention;

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

fig. 4 is a schematic view of the internal top structure of the present invention;

fig. 5 is a schematic view of the external structure of the buffer column of the present invention.

In the figure: 1. a battery outer case; 2. a lithium battery; 3. a middle cylinder; 4. a buffer ball; 5. a buffer column; 6. a cushioning spring; 7. an arc-shaped guide slope; 8. a threaded through slot; 9. a first insulating sheet; 10. a positive electrode through hole; 11. a threaded connection plate; 12. and a second insulating 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. 1-5, the present invention provides a technical solution: the utility model provides a columnar lithium battery, including battery case body 1, the inside lithium cell 2 that is equipped with of battery case body 1, the outside parcel of lithium cell 2 has well section of thick bamboo 3, be equipped with a plurality of evenly distributed's cushion post 5 between lithium cell 2 and the well section of

thick bamboo

3, 5 tops of cushion post are equipped with arc direction slope 7, can make things convenient for lithium cell 2 to insert in battery case body 1 through the arc direction slope 7 that sets up, cushion post 5 adopts elastic rubber material to make, 5 fixed mounting on a 3 inner walls of well section of thick bamboo of cushion post, thereby cushion post 5 through the annular setting, thereby can tighten lithium cell 2, prevent that it from rocking in the casing, structure steadiness when increasing the use, 5 inside equal fixed mounting of every cushion post has a plurality of evenly distributed's bradyseism spring 6.

In this embodiment, it has a plurality of buffering balls 4 to fill between well section of thick bamboo 3 and the battery case body 1, and battery case body 1 upper surface has seted up the screw thread and has led to the groove 8, and the screw thread is led to and is equipped with the internal thread on the groove 8 inner wall, and battery case body 1 top is equipped with first insulation piece 9.

In this embodiment, positive through-hole 10 has been seted up to first insulation piece 9 upper surface central point, and fixed surface installs threaded connection board 11 under first insulation piece 9, is equipped with the external screw thread on the threaded connection board 11 outer wall, and first insulation piece 9 passes through threaded connection board 11 and the logical 8 threaded connection of screw thread through groove to the convenient upper surface to battery case 1 carries out sealing treatment, increases sealed effect.

In this embodiment, 1 bottom panel fixed mounting of outer casing of the battery has second insulating piece 12, the diameter of second insulating piece 12 is greater than the diameter of first insulating piece 9, first insulating piece 9 is PP material with second insulating piece 12 and makes, and the surface of first insulating piece 9 and second insulating piece 12 all coats inorganic nanometer porous material, inorganic nanometer material is aluminium oxide, thereby can improve two insulating piece bulk hardness through the inorganic nanometer material that sets up, make two insulating pieces be difficult for receiving external force and warp, thereby the effectual life who prolongs this column type lithium cell.

When in use, a person skilled in the art can use the column type lithium battery for electric connection by a conventional method, the middle cylinder 3 is arranged inside the battery outer shell 1, the buffer ball 4 is arranged between the middle cylinder 3 and the battery outer shell 1, the lithium battery 2 inside can be protected and buffered by the arranged buffer ball 4 when the battery is impacted by external force, so that the battery is prevented from being damaged by short circuit due to stress, the use safety is improved, the buffer column 5 is arranged on the inner wall of the middle cylinder 3, the arc-shaped guide slope 7 is arranged by the buffer column 5, a certain guide effect can be achieved when the lithium battery 2 is inserted into the battery outer shell 1, the lithium battery 2 is convenient to insert, meanwhile, the lithium battery 2 can be wrapped and tightened after the lithium battery 2 is inserted by the arranged annular buffer column 5, the internal shaking of the lithium battery is effectively prevented, the structural stability is increased, the buffer spring 6 is arranged inside the buffer column 5, can carry out the buffering of second grade atress to external force through the bradyseism spring 6 that sets up, thereby play the effect of second grade protection, performance is good, through being provided with screw thread through groove 8 in battery case body 1 top, but through the screw thread through groove 8 threaded connection first insulation piece 9 that sets up, thereby seal battery case body 1 upper surface through first insulation piece 9, threaded connection's mode simultaneously can conveniently take out lithium cell 2 and change, convenient to detach, convenient to use.

To sum up, this kind of structural design's column type lithium cell can effectively resist external shock when in-service use, prevents that the battery from the atress damage when transportation transport, has better buffering protection effect, and the safety in utilization is high, and can conveniently change inside lithium cell 2, performance, be convenient for install and dismantle simple structure, rationally distributed, be fit for using widely.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", 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 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.

Furthermore, the terms "first", "second", "third", "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, whereby the features defined as "first", "second", "third", "fourth" may explicitly or implicitly include at least one such feature.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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 columnar lithium battery, its characterized in that, includes battery case body (1), inside lithium cell (2) that is equipped with of battery case body (1), lithium cell (2) outside parcel has well section of thick bamboo (3), be equipped with a plurality of evenly distributed's buffering post (5) between lithium cell (2) and well section of thick bamboo (3), buffering post (5) top is equipped with arc direction slope (7), buffering post (5) adopt elastic rubber material to make, buffering post (5) fixed mounting is on well section of thick bamboo (3) inner wall, every the inside equal fixed mounting of buffering post (5) has a plurality of evenly distributed's bradyseism spring (6).

2. A lithium pillar cell according to claim 1, characterized in that: the battery pack is characterized in that a plurality of buffer balls (4) are filled between the middle barrel (3) and the battery shell body (1), the upper surface of the battery shell body (1) is provided with a threaded through groove (8), an internal thread is arranged on the inner wall of the threaded through groove (8), and a first insulation sheet (9) is arranged above the battery shell body (1).

3. A lithium pillar cell according to claim 2, characterized in that: anodal through-hole (10) have been seted up to first insulation piece (9) upper surface central point, fixed surface installs threaded connection board (11) under first insulation piece (9), be equipped with the external screw thread on threaded connection board (11) outer wall, first insulation piece (9) are through groove (8) threaded connection through threaded connection board (11) and screw thread.

4. A lithium pillar cell according to claim 2, characterized in that: the bottom end panel of the battery outer shell (1) is fixedly provided with a second insulation sheet (12), and the diameter of the second insulation sheet (12) is larger than that of the first insulation sheet (9).

5. A lithium pillar cell according to claim 4, characterized in that: the first insulating sheet (9) and the second insulating sheet (12) are made of PP materials, inorganic nano porous materials are coated on the outer surfaces of the first insulating sheet (9) and the second insulating sheet (12), and the inorganic nano materials are aluminum oxide.