CN212648386U

CN212648386U - Lithium battery with protection function

Info

Publication number: CN212648386U
Application number: CN202021372396.XU
Authority: CN
Inventors: 李卫松
Original assignee: Jiangsu Fuwei Energy Co ltd
Current assignee: Jiangsu Fuwei Energy Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-03-02
Anticipated expiration: 2030-07-14

Abstract

The utility model discloses a lithium cell with safeguard function. The utility model discloses a lithium battery, including the lithium battery body, it is the top of lithium battery body that is provided with the positive pole, the outer wall of lithium battery body is provided with the heat-absorbing layer, the side fixed mounting of mounting plate has damping spring, damping spring's other end fixedly connected with fixing bolt, fixing bolt's one end has the anti-falling curb plate through threaded connection, the anti-falling curb plate is located the outer wall department of outer packaging layer; the bottom of lithium cell body is provided with the negative pole, the edge of negative pole is provided with the fixed block, the bottom fixed mounting of negative pole has prevents falling a fixed screw, the both ends welding of preventing falling a fixed screw has the side to prevent falling the piece, prevents falling curb plate cooperation fixing bolt and uses, can cushion the guard action to the outside of lithium cell body, prevents that lithium cell body from taking place to damage in the transportation, prevents falling the curb plate and can take off, has improved lithium cell body's security and convenience.

Description

Lithium battery with protection function

Technical Field

The utility model belongs to the technical field of the lithium cell, specifically be a lithium cell with safeguard function.

Background

Lithium Battery (Li-Ion, Lithium Ion Battery): lithium ion batteries have the advantages of light weight, large capacity, no memory effect and the like, so that the lithium ion batteries are generally applied, and a plurality of digital devices adopt the lithium ion batteries as power supplies, although the price is relatively expensive. The lithium ion battery has high energy density, the capacity of the lithium ion battery is 1.5-2 times that of a nickel-hydrogen battery with the same weight, and the lithium ion battery has low self-discharge rate. In addition, the advantages of almost no memory effect and no toxic substances of the lithium ion battery are also important reasons for the wide application of the lithium ion battery.

But common ordinary lithium cell is when using, often not high enough to the protective properties of lithium cell, and when taking place to vibrate, the lithium cell damages easily to the general shorter problem of life of lithium cell has been caused.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the above-mentioned problems, a lithium battery having a protection function is provided.

The utility model adopts the technical scheme as follows: a lithium battery with a protection function comprises a lithium battery body, wherein an anode is arranged at the top of the lithium battery body, a heat absorption layer is arranged on the outer wall of the lithium battery body, a fixed installation layer is arranged at one end, away from the lithium battery body, of the heat absorption layer, an outer packaging layer is bonded outside the fixed installation layer, an installation bottom plate is welded on the outer wall of the fixed installation layer, a damping spring is fixedly installed on the side face of the installation bottom plate, a fixing bolt is fixedly connected to the other end of the damping spring, an anti-falling side plate is connected to one end of the fixing bolt through threads, and the anti-falling side plate is located at the outer wall of the outer packaging;

the standing groove has been seted up at the top of extranal packaging layer, and has placed upper mounting panel in the groove, anodal run through in the inside of upper mounting panel, lithium cell body's bottom is provided with the negative pole, the edge of negative pole is provided with the fixed block, the bottom fixed mounting of negative pole prevents falling a fixed screw, the both ends welding of preventing falling a fixed screw prevents falling the piece.

In a preferred embodiment, threaded holes are formed in the left side and the right side of the anti-falling block fixing screw, a threaded rod is fixedly connected to the inner portion of each threaded hole, and the threaded rod can penetrate through the anti-falling block fixing screw to fix the anti-falling block fixing screw in the fixing block at the edge of the negative electrode.

In a preferred embodiment, the number of the anti-falling side plates is three, the anti-falling side plates are made of materials with soft texture, and the anti-falling side plates are fixedly arranged on the outer wall of the outer packaging layer at equal intervals.

In a preferred embodiment, a fixed fixture block is bonded to an edge of the upper mounting plate, and the size of the fixed fixture block is matched with that of a placement groove formed in the top of the outer packaging layer.

In a preferred embodiment, the inside of the anti-falling side plate is connected with a fixing rod through a threaded hole, and the top end of the fixing rod is matched with the inside of the fixing bolt.

In a preferred embodiment, the thickness of the heat absorbing layer is 0.50mm, and the heat absorbing layer is made of graphene material with better heat conductivity.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, prevent falling curb plate cooperation fixing bolt and use, can cushion the guard action to lithium cell's outside, prevent that lithium cell from taking place to damage in the transportation, lithium cell also can prevent falling the curb plate and take off when needs normal use simultaneously, can not influence normal use, improved lithium cell's security and convenience.

2. The utility model discloses in, the piece can be protected lithium cell body's many places to upper mounting panel and side are prevented falling to prevent that lithium cell body's corner part from taking place the mistake and touching, cause the damage, thereby improved lithium cell body's durability.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a perspective view of the middle and outer portions of the present invention;

fig. 3 is an enlarged view of a position a in the first drawing of the present invention.

The labels in the figure are: the lithium battery comprises a lithium battery body 1, an outer packaging layer 2, a heat absorption layer 3, a fixed mounting layer 4, a negative electrode 5, an anti-falling block fixing screw 6, a side anti-falling block 7, a positive electrode 8, an upper mounting plate 9, a fixed clamping block 10, an anti-falling side plate 11, a fixing rod 12, a fixing bolt 13, a damping spring 14 and a mounting bottom plate 15.

Detailed Description

To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a lithium battery with a protection function includes a lithium battery body 1, wherein a positive electrode 8 is arranged at the top of the lithium battery body 1, a heat absorption layer 3 is arranged on the outer wall of the lithium battery body 1, the thickness of the heat absorption layer 3 is 0.50mm, and the heat absorption layer 3 is made of graphene material with good thermal conductivity; a fixed mounting layer 4 is arranged at one end, away from the lithium battery body 1, of the heat absorption layer 3, an outer packaging layer 2 is bonded outside the fixed mounting layer 4, a mounting bottom plate 15 is welded on the outer wall of the fixed mounting layer 4, a damping spring 14 is fixedly mounted on the side face of the mounting bottom plate 15, a fixing bolt 13 is fixedly connected to the other end of the damping spring 14, one end of the fixing bolt 13 is connected with three anti-falling side plates 11 through threads, the anti-falling side plates 11 are three in number, the anti-falling side plates 11 are made of materials with relatively soft texture, the anti-falling side plates 11 are fixedly mounted on the outer wall of the outer packaging layer 2 at equal intervals, fixing rods 12 are connected to the inner portions of the anti-falling side plates 11 through threaded holes formed in; the anti-falling side plate 11 is positioned on the outer wall of the outer packaging layer 2, the anti-falling side plate 11 is matched with the fixing bolt 13 for use, the buffer protection effect can be performed on the outer portion of the lithium battery body 1, the lithium battery body 1 is prevented from being damaged in the transportation process, meanwhile, the anti-falling side plate 11 can be taken down when the lithium battery body 1 needs to be normally used, the normal use cannot be influenced, and the safety and the convenience of the lithium battery body 1 are improved;

a placing groove is formed in the top of the outer packaging layer 2, an upper mounting plate 9 is placed in the groove, a fixed fixture block 10 is bonded to the edge of the upper mounting plate 9, and the size of the fixed fixture block 10 is matched with that of the placing groove formed in the top of the outer packaging layer 2; the positive electrode 8 penetrates through the upper mounting plate 9, the negative electrode 5 is arranged at the bottom of the lithium battery body 1, a fixed block is arranged at the edge of the negative electrode 5, an anti-falling block fixing screw 6 is fixedly mounted at the bottom of the negative electrode 5, threaded holes are formed in the left side and the right side of the anti-falling block fixing screw 6, a threaded rod is fixedly connected inside the threaded holes, and the threaded rod can penetrate through the anti-falling block fixing screw 6 to fix the anti-falling block fixing screw 6 in the fixed block at the edge of the negative electrode 5; the both ends welding of preventing falling a set screw 6 has the side to prevent falling piece 7, and upper mounting panel 9 and side are prevented falling piece 7 and can be protected lithium cell body 1's many places to prevent that the corner part of lithium cell body 1 from taking place the mistake and touching, cause the damage, thereby improved lithium cell body 1's durability.

The working principle is as follows: when the lithium battery with the protection function is used, in the process of storing and transporting the lithium battery body 1, the anti-falling side plate 11 can be firstly screwed outside the fixing bolt 13 through the fixing rod 12, at the moment, if the outside of the lithium battery body 1 vibrates in the transporting process, the anti-falling side plate 11 can buffer the vibration amplitude to prevent the inside of the outer packaging layer 2 from being damaged by vibration, when people need to take the lithium battery body 1, the fixing rod 12 can be unscrewed from the inside of the fixing bolt 13, then the anti-falling side plate 11 is taken down, the lithium battery can be normally used, when a relatively sharp object is encountered in the using process of the lithium battery body 1, the lithium battery body 1 can be damaged, at the moment, the upper mounting plate 9 at the top of the lithium battery body 1, the anti-falling block fixing screw 6 and the side anti-falling block 7 at the bottom of the lithium battery body 1 can protect four corners of the lithium battery body 1, the corners of the lithium battery body 1 are prevented from being damaged.

In this lithium cell with safeguard function, prevent falling curb plate 11 cooperation fixing bolt 13 and use, can cushion the guard action to lithium cell 1's outside, prevent that lithium cell 1 from taking place to damage in the transportation, lithium cell 1 also can prevent falling curb plate 11 and take off when needs normal use simultaneously, can not influence normal use, has improved lithium cell 1's security and convenience.

In this lithium cell with safeguard function, upper mounting panel 9 and side are prevented falling piece 7 and can be protected lithium cell body 1's many places to prevent that the corner part of lithium cell body 1 from taking place the mistake and touching, cause the damage, thereby improved lithium cell body 1's durability.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a lithium cell with safeguard function, includes lithium cell body (1), its characterized in that: the lithium battery comprises a lithium battery body (1), wherein an anode (8) is arranged at the top of the lithium battery body (1), a heat absorption layer (3) is arranged on the outer wall of the lithium battery body (1), a fixed mounting layer (4) is arranged at one end, far away from the lithium battery body (1), of the heat absorption layer (3), an outer packaging layer (2) is bonded outside the fixed mounting layer (4), a mounting bottom plate (15) is welded on the outer wall of the fixed mounting layer (4), a damping spring (14) is fixedly mounted on the side surface of the mounting bottom plate (15), a fixing bolt (13) is fixedly connected to the other end of the damping spring (14), an anti-falling side plate (11) is connected to one end of the fixing bolt (13) through threads, and the anti-falling side plate (11) is located;

the standing groove has been seted up at the top of extranal packing layer (2), and has placed upper mounting panel (9) in the groove, anodal (8) run through in the inside of upper mounting panel (9), the bottom of lithium cell body (1) is provided with negative pole (5), the edge of negative pole (5) is provided with the fixed block, the bottom fixed mounting of negative pole (5) has prevents falling a fixed screw (6), the both ends welding of preventing falling a fixed screw (6) has the side to prevent falling piece (7).

2. A lithium battery with a protective function as claimed in claim 1, characterized in that: the left and right sides of preventing falling piece fixed screw (6) sets up threaded hole, and the inside fixedly connected with threaded rod of threaded hole, and the threaded rod can pass prevent falling piece fixed screw (6) will prevent falling piece fixed screw (6) and fix in the fixed block of negative pole (5) edge.

3. A lithium battery with a protective function as claimed in claim 1, characterized in that: the quantity of preventing falling curb plate (11) is three, prevent falling curb plate (11) and adopted the comparatively soft material of texture to make, prevent falling curb plate (11) equidistant fixed mounting in the outer wall department of extranal packing layer (2).

4. A lithium battery with a protective function as claimed in claim 1, characterized in that: the edge of the upper mounting plate (9) is bonded with a fixed fixture block (10), and the size of the fixed fixture block (10) is matched with that of a placement groove formed in the top of the outer packaging layer (2).

5. A lithium battery with a protective function as claimed in claim 1, characterized in that: the anti-falling side plate (11) is internally connected with a fixing rod (12) through a threaded hole, and the top end of the fixing rod (12) is matched with the inside of the fixing bolt (13).

6. A lithium battery with a protective function as claimed in claim 1, characterized in that: the thickness of the heat absorption layer (3) is 0.50mm, and the heat absorption layer (3) is made of graphene materials with good heat conductivity.