CN215834601U

CN215834601U - High-efficient antidetonation type cylinder lithium cell

Info

Publication number: CN215834601U
Application number: CN202122221694.XU
Authority: CN
Inventors: 张举
Original assignee: Anhui Jinkuntai Electronic Technology Co ltd
Current assignee: Anhui Jinkuntai Electronic Technology Co ltd
Priority date: 2021-09-14
Filing date: 2021-09-14
Publication date: 2022-02-15
Anticipated expiration: 2031-09-14

Abstract

The utility model discloses a high-efficiency anti-seismic cylindrical lithium battery, which comprises: roll up the core body, it is provided with the inner shell to roll up core body outer wall, the inner shell bottom is provided with the bottom plate, the outside even cover of inner shell is equipped with the shell, the bottom plate with be provided with buffer gear between the shell inner wall, it is provided with the block to roll up core body top, the block with shell threaded connection, shell outer wall is provided with the protecting crust, two semi-circular structure of protecting crust, this device are connected through the cooperation that sets up buffer gear, rubber pad and protecting crust isotructure, have improved the shock-resistant cushioning performance of battery, effectually reduced when using because of the terminal, the battery takes place to acutely to rock the bad problems such as circuit break, rosin joint that lead to, improve customer's practicality, simultaneously, through addding the protecting crust, can prevent that battery case from receiving acutely strikeing, improve battery security performance and increase of service life.

Description

High-efficient antidetonation type cylinder lithium cell

The technical field is as follows:

the utility model relates to the technical field of lithium batteries, in particular to an efficient shock-resistant cylindrical lithium battery.

Background art:

a high-rate battery generally refers to a lithium battery, and a lithium ion battery is a rechargeable high-rate battery that mainly relies on lithium ions moving between a positive electrode and a negative electrode to operate. During charging and discharging, Li + is inserted and extracted back and forth between the two electrodes: during battery charging, Li + is extracted from the positive electrode and is inserted into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; the opposite is true during discharge. A battery using a material containing lithium as an electrode is generally used. Is representative of modern high-performance batteries.

Present below 2000 multiplying power batteries of capacity, when design technology, it is often on the small side to roll up a core diameter, and when terminal use like this, because of rocking and battery anti-seismic performance of equipment are poor, can make the inside electric core of battery rock the range increase, cause the battery inner structure to appear the welding and weld the problem such as open circuit, influence reuse.

The utility model has the following contents:

aiming at the defects of the prior art, the utility model provides an efficient shock-resistant cylindrical lithium battery.

The technical problem to be solved by the utility model is realized by adopting the following technical scheme: an efficient shock-resistant cylindrical lithium battery comprising:

the winding core comprises a winding core body, wherein an inner shell is arranged on the outer wall of the winding core body, a bottom plate is arranged at the bottom of the inner shell, an outer shell is connected and sleeved outside the inner shell, a buffer mechanism is arranged between the bottom plate and the inner wall of the outer shell, a cap is arranged at the top of the winding core body, and the cap is in threaded connection with the outer shell;

the improved spring protection shell is characterized in that a protection shell is arranged on the outer wall of the shell, the protection shell is of two semicircular structures, first grooves are symmetrically formed in the inner wall of the protection shell, first springs are arranged in the first grooves, the front ends of the first springs are connected with the outer wall of the shell, connecting plates are vertically arranged at two ends of the protection shell, second grooves are formed in the outer wall of the connecting shell, and second springs are arranged between the second grooves.

Further, the inner shell with the shell passes through the spliced pole and is connected, the inner shell with be provided with the rubber pad between the shell.

Furthermore, the bottom of the cap is provided with a rubber ring, and the rubber ring is positioned at the top ends of the inner shell and the outer shell.

Further, the outer wall of the top of the shell is provided with threads.

Furthermore, buffer gear package sets up the barrel of bottom plate bottom, the activity is provided with the cylinder in the barrel, the bottom mounting of cylinder sets up the shell inner wall, the top of cylinder is provided with the third spring.

Compared with the prior art, the utility model has the following technical effects: this device is connected through the cooperation that sets up buffer gear, rubber pad and protecting crust isotructure, has improved the shock-resistant cushioning performance of battery, and effectual having reduced when using because of the terminal, the battery takes place to acutely rocks bad problems such as the circuit that leads to, rosin joint, improves customer's practicality, simultaneously, through addding the protecting crust, can prevent that battery case from receiving acutely to strike, improves battery security performance and increase of service life.

Description of the drawings:

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

FIG. 2 is a schematic structural view of the housing of the present invention;

FIG. 3 is an enlarged view of A in FIG. 2;

FIG. 4 is a schematic structural diagram of a buffering mechanism according to the present invention;

number in the figure: 10. an inner shell; 11. a base plate; 12. connecting columns; 13. capping; 131. a rubber ring; 132. a thread; 14. a rubber pad; 20. a roll core body; 30. a housing; 40. a protective shell; 41. a first spring; 42. a first groove; 43. a connecting plate; 44. a second groove; 45. a second spring; 50. a buffer mechanism; 51. a barrel; 52. a cylinder; 53. and a third spring.

The specific implementation mode is as follows:

in order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further clarified by combining the specific drawings.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Examples

As shown in fig. 1 to 4, the present invention provides a high-efficiency shock-resistant cylindrical lithium battery, comprising:

the winding core comprises a winding core body 20, wherein an inner shell 10 is arranged on the outer wall of the winding core body 20, a bottom plate 11 is arranged at the bottom of the inner shell 10, an outer shell 30 is connected and sleeved outside the inner shell 10, a buffer mechanism 50 is arranged between the bottom plate 11 and the inner wall of the outer shell 30, a cap 13 is arranged at the top of the winding core body 20, and the cap 13 is in threaded connection with the outer shell 30 through a thread 132;

the outer wall of the shell 30 is provided with a protective shell 40, the protective shell 40 has two semicircular structures, the inner wall of the protective shell 40 is symmetrically provided with first grooves 42, first springs 41 are arranged in the first grooves 42, the front ends of the first springs 41 are connected with the outer wall of the shell 30, connecting plates 43 are vertically arranged at two ends of the protective shell 40, second grooves 44 are formed in the outer wall of the connecting plates, and second springs 45 are arranged between the second grooves 44.

The inner shell 10 is connected with the outer shell 30 through a connecting column 12, and a rubber pad 14 is arranged between the inner shell 10 and the outer shell 30.

The bottom of the cap 13 is provided with a rubber ring 131, and the rubber ring 131 is positioned at the top ends of the inner shell 10 and the outer shell 30.

The outer wall of the top of the housing 30 is provided with threads 132.

The buffer mechanism 50 is arranged on a cylinder 51 at the bottom of the bottom plate 11, a cylinder 52 is movably arranged in the cylinder 51, the bottom end of the cylinder 52 is fixedly arranged on the inner wall of the shell 30, and a third spring 53 is arranged at the top end of the cylinder 52.

The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a high-efficient antidetonation type cylinder lithium cell which characterized in that includes:

the winding core comprises a winding core body (20), wherein an inner shell (10) is arranged on the outer wall of the winding core body (20), a bottom plate (11) is arranged at the bottom of the inner shell (10), an outer shell (30) is connected and sleeved outside the inner shell (10), a buffer mechanism (50) is arranged between the bottom plate (11) and the inner wall of the outer shell (30), a cover cap (13) is arranged at the top of the winding core body (20), and the cover cap (13) is in threaded connection with the outer shell (30) (132);

the outer wall of the shell (30) is provided with a protective shell (40), the two semicircular structures of the protective shell (40), the inner wall of the protective shell (40) is symmetrically provided with first grooves (42), first springs (41) are arranged in the first grooves (42), the front ends of the first springs (41) are connected with the outer wall of the shell (30), connecting plates (43) are vertically arranged at the two ends of the protective shell (40), second grooves (44) are formed in the outer wall of the shell, and second springs (45) are arranged between the second grooves (44).

2. A high-efficiency anti-seismic cylindrical lithium battery as claimed in claim 1, characterized in that the inner casing (10) is connected with the outer casing (30) through a connecting column (12), and a rubber gasket (14) is arranged between the inner casing (10) and the outer casing (30).

3. An efficient shock-resistant cylindrical lithium battery as claimed in claim 1, wherein the bottom of the cap (13) is provided with a rubber ring (131), and the rubber ring (131) is located at the top end of the inner shell (10) and the outer shell (30).

4. A high efficiency shock resistant cylindrical lithium battery as claimed in claim 1 wherein the outer wall of the top of said casing (30) is provided with screw threads (132).

5. An efficient shock-resistant cylindrical lithium battery as claimed in claim 1, wherein the buffer mechanism (50) comprises a cylinder (51) disposed at the bottom of the bottom plate (11), a cylinder (52) is movably disposed in the cylinder (51), the bottom end of the cylinder (52) is fixedly disposed on the inner wall of the casing (30), and the top end of the cylinder (52) is provided with a third spring (53).