CN210379127U

CN210379127U - Lithium ion rechargeable battery with protection function

Info

Publication number: CN210379127U
Application number: CN201921872043.3U
Authority: CN
Inventors: 赵赛民; 吴康
Original assignee: Shenzhen Chuangchengke Electronics Co ltd
Current assignee: Shenzhen Chuangchengke Electronics Co ltd
Priority date: 2019-11-02
Filing date: 2019-11-02
Publication date: 2020-04-21
Anticipated expiration: 2029-11-02

Abstract

The utility model discloses a lithium ion rechargeable battery with protection function, which relates to the technical field of lithium ion batteries and comprises a battery body, wherein two sides of the outside of the battery body are symmetrically sleeved with protective sleeves, two cavities are symmetrically arranged on the outer wall of the battery body adjacent to the two sides of the two protective sleeves, four cavities are fixed with springs inside through fixed seats, and the free ends of the four springs are respectively connected with the inner walls of the two protective sleeves, the utility model utilizes an insert block and an insertion groove to respectively clamp a top cover and a bottom cover at the two ends of the battery so as to cover the positive and negative poles of the battery, thereby protecting the positive and negative poles of the battery while protecting the battery through the protective sleeves, further protecting the battery more comprehensively, and effectively avoiding the damage of the positive and negative poles of the battery due to no protection, the protection effect of the battery is greatly enhanced.

Description

Lithium ion rechargeable battery with protection function

Technical Field

The utility model belongs to the technical field of lithium ion battery, concretely relates to lithium ion rechargeable battery with safeguard function.

Background

A lithium ion battery is a secondary battery (rechargeable battery) that mainly operates by movement of lithium ions between a positive electrode and a negative electrode. With the rapid development of economy, mobile phones and notebook computers gradually become essential electronic products for people to work and live, and the mobile phones and the notebook computers use lithium ion batteries as power supplies, so that the mobile phones and the notebook computers can normally operate.

In the chinese patent of patent No. 201721438344.6, a lithium ion rechargeable battery with safeguard function has been mentioned, lateral surface through at the rechargeable battery body sets up first breach, the fly leaf, spout and slider, can weaken the striking that produces after the rechargeable battery body falls, can carry out effectual protection to the rechargeable battery body, can effectively avoid the damage of rechargeable battery body, the life of rechargeable battery body has been prolonged, set up the second breach through the front and the back at the rechargeable battery body, fixing base and backup pad, and set up the joint groove in the inside of fixed column, the joint piece, support column and second spring, the striking that produces after the rechargeable battery body falls that can further weaken, can carry out more comprehensive protection to the rechargeable battery body, safeguard function is better, further improvement the availability factor of rechargeable battery body.

However, the battery protection structure is complex, the positive and negative electrodes of the battery cannot be effectively protected, the battery is not completely protected, the positive and negative electrodes of the battery are easily damaged, and the battery is not provided with a heat conduction structure, so that the battery cannot exchange heat during working or charging, a large amount of heat is easily generated in the battery, the battery is damaged, and the service life of the battery is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a lithium ion rechargeable battery with safeguard function to the protective structure who proposes in solving above-mentioned background art is complicated, and can not carry out effectual protection to the positive negative pole of battery, causes the battery protection not comprehensive, and the battery can not carry out the heat exchange when work or charge in addition, leads to the problem of battery high temperature damage easily.

In order to achieve the above object, the utility model provides a following technical scheme: a lithium ion rechargeable battery with a protection function comprises a battery body, wherein protective sleeves are symmetrically sleeved on two sides of the outer portion of the battery body, two cavity grooves are symmetrically formed in the two sides, adjacent to the two protective sleeves, of the outer wall of the battery body, springs are fixed inside the four cavity grooves through a fixing seat, the free ends of the four springs are respectively connected with the inner walls of the two protective sleeves, a top cover for covering the positive end of the battery body is clamped at the top of the battery body, a bottom cover for covering the negative end of the battery body is clamped at the bottom of the battery body, inserting blocks are symmetrically arranged on two sides of the bottom end of the bottom cover and the bottom end of the top cover, spring grooves are formed in the inserting blocks, a reset spring is horizontally arranged in each spring groove in a clamping mode, clamping blocks capable of extending to the outer portion of each inserting block are connected to two ends of each reset spring through a movable plate, and inserting grooves matched with the inserting blocks are symmetrically formed in two ends, and the inner wall bilateral symmetry of slot is seted up with fixture block assorted draw-in groove, two the outer wall of lag all bonds and has the antiskid cushion rather than the outer wall laminating mutually.

Preferably, two the lag is semicircle ring type structure to make up into the ring form and wrap up the battery body, still leave the clearance between the both ends of two lags simultaneously, form the opening, so that lag atress deformation and play the cushioning effect to the battery body.

Preferably, the heat-conducting plates are symmetrically clamped on the outer wall of the battery body and adjacent to two sides of the opening formed between the two protective sleeves, and meanwhile, the two heat-conducting plates are fixed with heat-radiating fins on one side opposite to the battery body, and the two heat-radiating fins are positioned at the opening.

Preferably, a telescopic cylinder is further arranged inside the spring groove, the telescopic cylinder comprises an inner cylinder and an outer cylinder, and the end parts of the inner cylinder and the outer cylinder are respectively connected with the side walls of the two movable plates, so that the reset spring is sleeved outside the telescopic cylinder.

Preferably, the limiting block is installed at the top end of the inside of the top cover, and a limiting groove matched with the positive end of the battery body is formed in the limiting block, so that the positive end of the battery body can be inserted into the limiting block.

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

(1) the utility model discloses utilize inserted block and slot, can joint top cap and bottom respectively in the both ends of battery to cover the positive negative pole of battery, realize protecting the battery through the lag, can also protect the positive negative pole of battery, and then make the battery protect more comprehensively, the effectual positive negative pole of having avoided the battery is not protected and damaged, has strengthened the protective effect of battery widely;

in addition, through the setting of draw-in groove, fixture block and reset spring, can realize the quick assembly disassembly of top cap and bottom, simple structure, the operation is swift, the battery normal use of being convenient for to further be convenient for to the protection of the positive negative pole of battery.

(2) The utility model discloses a heat-conducting plate and heat radiation fins's setting can realize carrying out effectual derivation with the heat that battery work produced when charging to realize the heat exchange of battery, reach the high-efficient radiating purpose of battery, avoided battery high temperature to damage, and then be favorable to prolonging the life of battery, reduce its use cost.

Drawings

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

FIG. 2 is an external view of the present invention;

fig. 3 is a top view of the top cover of the present invention after being disassembled;

FIG. 4 is an enlarged view taken at A in FIG. 1;

in the figure: 1-a battery body; 2-a spring; 3-cavity groove; 4-bottom cover; 5-protecting jacket; 6-antiskid rubber mat; 7-a limiting block; 8-a top cover; 9-heat conducting plate; 10-heat dissipation fins; 11-a slot; 12-a telescopic cylinder; 13-inserting blocks; 14-a return spring; 15-spring groove; 16-a card slot; 17-a fixture block.

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: a lithium ion rechargeable battery with protection function comprises a battery body 1, wherein protective sleeves 5 are symmetrically sleeved on two sides of the outer part of the battery body 1, two cavity grooves 3 are symmetrically formed in two sides of the outer wall of the battery body 1 adjacent to the two protective sleeves 5, springs 2 are fixed inside the four cavity grooves 3 through fixing seats, free ends of the four springs 2 are respectively connected with the inner walls of the two protective sleeves 5, a top cover 8 covering the positive end of the battery body 1 is clamped at the top of the battery body 1, a bottom cover 4 covering the negative end of the battery body 1 is clamped at the bottom of the battery body 1, a user can insert the top cover 8 and the bottom cover 4 into slots 11 on the two protective sleeves 5 through an insert block 13 at the bottom of the top cover 8 and the bottom cover, at the moment, a clamp block 17 corresponds to a clamp slot 16 and is clamped into the clamp slot 16 under the action of a reset spring 14 so as to clamp the insert block 13 into the slot 11, and then with top cap 8 and bottom 4 joint in battery body 1's both ends respectively, establish with covering the positive negative pole of battery body 1, reach the purpose of protection, inserted block 13 is installed with the bottom both sides of top cap 8 to bottom 4 both sides symmetry, and inserted block 13's inside has seted up spring groove 15, spring groove 15's inside card is equipped with the reset spring 14 that the level was placed, and reset spring 14's both ends all are connected with the outside fixture block 17 of extensible to inserted block 13 through the movable plate, simultaneously two lag 5's both ends equal symmetry seted up with inserted block 13 assorted slot 11, and slot 11's inner wall bilateral symmetry seted up with fixture block 17 assorted draw-in groove 16, two lag 5's outer wall all bonds have the non-slip rubber pad 6 rather than the outer wall laminating mutually.

Further, two lag 5 are semicircle ring type structure to make up into the ring form and wrap up battery body 1, still leave the clearance between two lag 5's the both ends simultaneously, form the opening, so that lag 5 atress deformation and play the cushioning effect to battery body 1.

Specifically, the outer wall of battery body 1 and the bilateral symmetry joint adjacent to the opening that forms between two lag 5 have heat-conducting plate 9, two heat-conducting plates 9 all are fixed with heat radiation fins 10 for one side of battery body 1 simultaneously, and two heat radiation fins 10 are located the opening part, in the use, heat conduction plate 9 with laminating mutually of battery body 1 can derive the heat that it produced, and transmit to heat radiation fins 10, because heat radiation fins 10 are located the opening part, and then contact with the outside air through heat radiation fins 10, in order to give off the heat, thereby realize the heat exchange of battery body 1, the effectual temperature that reduces battery body 1 during operation, avoid battery body 1 high temperature to damage, help prolonging the life of battery body 1.

It is worth to be noted that the inside of the spring slot 15 is further provided with a telescopic cylinder 12, the telescopic cylinder 12 comprises an inner cylinder and an outer cylinder, and the end portions of the inner cylinder and the outer cylinder are respectively connected with the side walls of the two moving plates, so that the return spring 14 is sleeved outside the telescopic cylinder 12, when the return spring 14 is stretched, the telescopic cylinder 12 stretches along with the stretching of the return spring 14, the rigidity of the return spring 14 during stretching is ensured, and the return spring 14 is effectively prevented from being bent due to overlarge stress.

Further, stopper 7 is installed on the inside top of top cap 8, and stopper 7's inside offer with battery body 1 positive terminal assorted spacing groove for battery body 1's positive terminal can insert the inside of stopper 7, can increase the stability of top cap 8 joint, can make stopper 7 can effectually protect battery body 1's positive terminal simultaneously.

The utility model discloses a theory of operation and use flow: when the utility model is used, a user can respectively pull the top cover 8 and the bottom cover 4 to respectively pull the top cover 8 and the bottom cover 4 down from the top and the bottom of the battery body 1, then the user inserts the battery body 1 into the battery groove to connect the positive and negative poles of the battery body 1 for use, in the use process, the heat conducting plate 9 jointed with the battery body 1 can lead out the heat generated by the heat conducting plate and transmit the heat to the heat radiating fins 10, because the heat radiating fins 10 are positioned at the opening part and further contact with the outside air through the heat radiating fins 10 to radiate the heat, thereby realizing the heat exchange of the battery body 1, effectively reducing the temperature of the battery body 1 in the working process, avoiding the high-temperature damage of the battery body 1 and being beneficial to prolonging the service life of the battery body 1, in addition, when the battery body 1 is carried, the user can insert the top cover 8 and the bottom cover 4 into the slots 11 on the two protective sleeves 5 through the insertion blocks 13 at, at this time, the clamping block 17 corresponds to the clamping groove 16 and is clamped into the clamping groove 16 under the action of the reset spring 14 to clamp the insertion block 13 in the slot 11, and further clamp the top cover 8 and the bottom cover 4 at two ends of the battery body 1 respectively to cover the positive and negative electrodes of the battery body 1, so as to achieve the purpose of protection, meanwhile, if the battery body 1 drops, the anti-slip rubber pad 6 on the outer wall of the protective cover 5 contacts the ground first, then the protective cover 5 receives impact force and compresses the spring 2 to contract, at the same time, the spring 2 can generate reaction force to counteract partial impact force, so as to achieve the effect of buffering, so as to achieve the protection of the battery body 1, in addition, the top cover 8 and the bottom cover 4 are respectively clamped at two ends of the two protective covers 5, so that the two protective covers 5 are stable in structure, and strong deformation of the protective cover 5 when receiving impact force is avoided, thereby being beneficial to enhance the protection function of the protective cover 5, so that the protection effect of the battery body 1 is better.

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 lithium ion rechargeable battery with safeguard function which characterized in that: comprises a battery body (1), protective sleeves (5) are symmetrically sleeved on two sides of the outer part of the battery body (1), two cavity grooves (3) are symmetrically formed in two sides of the outer wall of the battery body (1) adjacent to the two protective sleeves (5), springs (2) are fixed inside the four cavity grooves (3) through fixing seats, free ends of the four springs (2) are respectively connected with the inner walls of the two protective sleeves (5), a top cover (8) covering the positive end of the battery body (1) is clamped at the top of the battery body (1), a bottom cover (4) covering the negative end of the battery body (1) is clamped at the bottom of the battery body (1), insert blocks (13) are symmetrically arranged on two sides of the bottom end of the bottom cover (4) and the top cover (8), spring grooves (15) are formed inside the insert blocks (13), and reset springs (14) which are horizontally arranged are clamped inside the spring grooves (15), and the both ends of reset spring (14) all are connected with extensible to the outside fixture block (17) of inserted block (13) through the movable plate, two simultaneously the both ends of lag (5) are all the symmetry seted up with inserted block (13) assorted slot (11), and the inner wall bilateral symmetry of slot (11) set up with fixture block (17) assorted draw-in groove (16), two the outer wall of lag (5) all bonds and has antiskid cushion (6) rather than the outer wall laminating mutually.

2. The lithium ion rechargeable battery with protection function according to claim 1, wherein: two lag (5) are semicircle ring type structure to make up into the ring form and wrap up battery body (1), still leave the clearance between the both ends of two lag (5) simultaneously, form the opening, so that lag (5) atress deformation and play the cushioning effect to battery body (1).

3. The lithium ion rechargeable battery with protection function according to claim 2, wherein: the battery comprises a battery body (1), wherein heat-conducting plates (9) are symmetrically clamped on the outer wall of the battery body (1) and adjacent to the two sides of an opening formed between two protective sleeves (5), and meanwhile, heat-radiating fins (10) are fixed on one sides of the two heat-conducting plates (9) relative to the battery body (1), and the two heat-radiating fins (10) are positioned at the opening.

4. The lithium ion rechargeable battery with protection function according to claim 1, wherein: the spring slot (15) is internally provided with a telescopic cylinder (12), the telescopic cylinder (12) comprises an inner cylinder and an outer cylinder, and the end parts of the inner cylinder and the outer cylinder are respectively connected with the side walls of the two movable plates, so that the reset spring (14) is sleeved outside the telescopic cylinder (12).

5. The lithium ion rechargeable battery with protection function according to claim 1, wherein: stopper (7) are installed on the inside top of top cap (8), and the inside of stopper (7) is seted up with battery body (1) positive terminal assorted spacing groove for the positive terminal of battery body (1) can insert the inside of stopper (7).