CN210296476U

CN210296476U - Lithium battery with long service life

Info

Publication number: CN210296476U
Application number: CN201921710112.0U
Authority: CN
Inventors: 徐鲜花; 况磊
Original assignee: Guangdong Chaodian New Energy Co ltd
Current assignee: Guangdong Chaodian New Energy Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-04-10
Anticipated expiration: 2029-10-14

Abstract

The utility model relates to a lithium cell technical field just discloses a long service life's lithium cell, be a shell and quantity including quantity and be two guard flap, control all to have seted up the movable groove on the lateral wall of two relative one sides of guard flap. This long service life's lithium cell, make the guard flap receive when colliding left and right sides movable rod to remove towards the direction that is close to each other through turning block and activity chamber, and the in-process of removal about both sides movable block remove towards the direction of keeping away from each other, the impact force when colliding this moment is changed kinetic energy into and is consumed away, the effectual collision that has prevented leads to lithium cell body to damage, the movable block resets under pressure spring's effect after the collision, the movable rod resets under baffle and reset spring's combined action this moment, do the preparation for next action, the device makes the battery damage to the battery when the effectual reduction collision of vehicle when traveling through simple mechanical structure, the effectual life who increases the battery.

Description

Lithium battery with long service life

Technical Field

The utility model relates to a lithium cell technical field specifically is a long service life's lithium cell.

Background

The lithium battery is a battery which uses a non-aqueous electrolyte solution and takes lithium metal or lithium alloy as a negative electrode material, the lithium metal battery is firstly proposed and researched by Gilbert N.Lewis in 1912, and the lithium ion battery is proposed and researched in the 20 th century 70 s by M.S. Whittingham, because the chemical properties of the lithium metal are very active, the requirements of processing, storing and using the lithium metal on the environment are very high, along with the development of scientific technology, the lithium battery becomes mainstream at present, and the lithium battery can be roughly divided into two types: lithium metal batteries and lithium ion batteries, the lithium ion batteries do not contain metallic lithium and can be charged, the fifth generation products of rechargeable batteries, namely the lithium metal batteries, are produced in 1996, the safety, the specific capacity, the self-discharge rate and the cost performance ratio of the rechargeable batteries are all superior to those of the lithium ion batteries, and due to the high technical requirement limit of the rechargeable batteries, only a few national companies produce the lithium metal batteries at present.

The lithium battery becomes a mainstream battery, a large number of storage batteries are also lithium batteries, and among them, storage batteries are also used as energy sources in vehicles such as battery cars, electric vehicles and automobiles, but when the vehicles travel, large bumping can be generated, the storage batteries and peripheral small parts can collide with each other in the bumping process, although the collision is very slight, the shell of the storage battery can be damaged due to long-time slight collision, and the service life of the storage battery is reduced, so that the lithium battery with long service life is provided to solve the problem.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a long service life's lithium cell possesses advantages such as long service life, has solved because the collision leads to the problem that life subtracts the weak point.

(II) technical scheme

In order to realize the purpose of the service life, the utility model provides a following technical scheme: a lithium battery with long service life comprises a shell and two protective baffles, wherein the left protective baffle and the right protective baffle are respectively provided with a movable groove on the side wall at the opposite side, the inside of the shell is fixedly connected with a lithium battery body, the left side and the right side of the shell are respectively provided with two movable grooves, the side wall at the opposite side of the movable grooves at the left side and the right side are respectively provided with a guide cavity arranged inside the shell, the side wall at the opposite side of the guide cavity at the left side and the right side is respectively provided with a movable cavity arranged inside the shell, the opposite sides in the guide cavity are respectively and fixedly connected with a pressure spring, the opposite sides of the pressure springs at the upper side and the lower side are respectively and fixedly connected with a movable block positioned inside the guide cavity, the inside of the movable block is provided with a hollow cavity, the left side of the movable block is provided with a through hole penetrating through the hollow cavity, and a movable rod extending to, the outside of movable rod has cup jointed the baffle that is located well cavity inside, and the outside of movable rod has cup jointed the reset spring that is located well cavity inside and is connected with baffle and well cavity intracavity lateral wall, the left and right sides all inlay the turning block that is equipped with and contacts with activity cavity intracavity lateral wall on the lateral wall of the relative one side of movable rod, the left and right sides the equal fixedly connected with movable block that is located the movable groove inside of the back of the body one side that the movable rod carries on the back mutually.

Preferably, the movable cavity is four in total, four the movable cavity divide into about two sets of, a set of two the movable cavity is the symmetric distribution, the left and right sides the side of the relative one side in the movable cavity intracavity is the inclined plane, the upper and lower both sides the inclination of inclined plane is thirty degrees and one hundred fifty degrees respectively.

Preferably, the number of the guide cavities is four, the four guide cavities and the four movable cavities are in one-to-one correspondence, and the width of each guide cavity is larger than that of each movable cavity.

Preferably, the number of the moving grooves is four, the four moving grooves and the four guide cavities are in one-to-one correspondence, and the width of each moving groove is smaller than that of each guide cavity.

Preferably, the movable groove is four in total, four the movable groove divide into about two sets of, a set of two the movable groove is the symmetric distribution, and the movable groove is the rectangular channel, the left and right sides the groove width of the relative one side of movable groove is less than the groove width of the back of the body one side of movable groove mutually.

Preferably, the movable block is a rectangular block, and the width of the movable block is respectively greater than the width of the moving groove and the width of the moving cavity.

(III) advantageous effects

Compared with the prior art, the utility model provides a long service life's lithium cell possesses following beneficial effect:

this long service life's lithium cell, make the guard flap receive when colliding left and right sides movable rod to remove towards the direction that is close to each other through turning block and activity chamber, and the in-process of removal about both sides movable block remove towards the direction of keeping away from each other, the impact force when colliding this moment is changed kinetic energy into and is consumed away, the effectual collision that has prevented leads to lithium cell body to damage, the movable block resets under pressure spring's effect after the collision, the movable rod resets under baffle and reset spring's combined action this moment, do the preparation for next action, the device makes the battery damage to the battery when the effectual reduction collision of vehicle when traveling through simple mechanical structure, the effectual life who increases the battery.

Drawings

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

fig. 2 is an enlarged schematic view of a position a in the structure diagram 1 of the present invention.

In the figure: the lithium battery comprises a shell 1, a lithium battery body 2, a protective baffle 3, a movable groove 4, a movable cavity 5, a guide cavity 6, a pressure spring 7, a movable block 8, a through hole 9, a hollow cavity 10, a movable rod 11, a rotating block 12, a baffle 13, a reset spring 14, a movable block 15 and a movable groove 16.

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. 1-2, a lithium battery with a long service life comprises a housing 1 and two protective baffles 3, wherein the side walls of the two protective baffles 3 are provided with four movable slots 4, the four movable slots 4 are divided into two groups, the two movable slots 4 are symmetrically distributed, the movable slots 4 are rectangular slots, the width of the opposite side of the movable slots 4 is smaller than that of the opposite side of the movable slots 4, the lithium battery body 2 is fixedly connected in the housing 1, the two movable slots 16 are provided on the left side and the right side of the housing 1, the four movable slots 16 are in one-to-one correspondence with the four guide cavities 6, the width of the movable slot 16 is smaller than that of the guide cavity 6, the guide cavities 6 provided in the housing 1 are provided on the side walls of the opposite side of the movable slots 16, four guide cavities 6 are arranged, the four guide cavities 6 correspond to the four movable cavities 5 one by one, the width of each guide cavity 6 is larger than that of each movable cavity 5, the movable cavities 5 arranged in the shell 1 are arranged on the side walls of the opposite sides of the guide cavities 6 on the left side and the right side, the four movable cavities 5 are divided into a left group and a right group, the four movable cavities 5 are symmetrically distributed, the side surfaces of the opposite sides of the inner cavities of the movable cavities 5 on the left side and the right side are inclined surfaces, the inclined angles of the inclined surfaces on the upper side and the lower side are thirty degrees and one hundred fifty degrees respectively, pressure springs 7 are fixedly connected to the opposite sides of the guide cavities 6 on the upper side and the lower side respectively, movable blocks 8 positioned in the guide cavities 6 are fixedly connected to the opposite sides of the pressure springs 7 on the upper side and the lower side respectively, the movable blocks 8 are rectangular blocks, and the widths of the movable, a hollow cavity 10 is arranged inside the movable block 8, a through hole 9 penetrating through the hollow cavity 10 is arranged on the left side of the movable block 8, a movable rod 11 penetrating through the hollow cavity 10 and extending to the inside of the movable cavity 5 is movably connected in a groove of the movable groove 4, a baffle 13 positioned in the hollow cavity 10 is sleeved outside the movable rod 11, a reset spring 14 positioned in the hollow cavity 10 and connected with the baffle 13 and the inner side wall of the cavity of the hollow cavity 10 is sleeved outside the movable rod 11, rotating blocks 12 contacted with the inner side wall of the cavity of the movable cavity 5 are respectively embedded on the side walls of the opposite sides of the movable rods 11 on the left side and the right side, moving blocks 15 positioned in the movable groove 4 are fixedly connected on the opposite sides of the movable rods 11 on the left side and the right side, the movable rods 11 on the left side and the right side move towards the direction close to each other when the protective baffle 3 is collided through the rotating blocks 12 and the movable cavity, impact force when will colliding this moment is changed into kinetic energy and is consumed, the effectual collision that has prevented leads to lithium cell body 2 to damage, the movable block 8 resets under pressure spring 7's effect after the collision, movable rod 11 resets under baffle 13 and reset spring 14's combined action this moment, for next action preparation, the device makes the battery to the damage of battery when the effectual reduction collision of vehicle when going through simple mechanical structure, the effectual life who increases the battery.

To sum up, this long service life's lithium cell, make protective baffle 3 receive when the collision left and right sides movable rod 11 remove towards the direction that is close to each other through turning block 12 and activity chamber 5, and the in-process of removal about both sides movable block 8 remove towards the direction of keeping away from each other, the impact force when will colliding this moment is changed into kinetic energy and is consumed away, the effectual collision that has prevented leads to lithium cell body 2 to damage, movable block 8 resets under pressure spring 7's effect after the collision, movable rod 11 resets under baffle 13 and reset spring 14's combined action this moment, do preparation for next action, the device makes the battery damage to the battery when the effectual reduction collision of vehicle when traveling through simple mechanical structure, the effectual life who increases the battery, the problem of leading to life to subtract the weak point because the collision has been solved.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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. A lithium battery with a long service life comprises a shell (1) and two protective baffles (3), and is characterized in that: the lithium battery comprises a shell (1), a protective baffle (3), movable grooves (4), a lithium battery body (2), a guide cavity (6), a movable cavity (5), a pressure spring (7), a movable block (8), a hollow cavity (10), a guide cavity (6), a movable cavity (10), a guide cavity (6), a pressure spring (7), a movable block (8), a hollow cavity (10), a guide cavity (6), a movable cavity (5), a guide cavity (6) and a hollow cavity (10), wherein the movable grooves (16) are formed in the side wall of the opposite side of the protective baffle (3), the guide cavity (6) is arranged in the shell (1), the side wall of the opposite side of the guide cavity (6) is arranged in the left side and the right side of the shell (1), the movable cavity (5) is arranged in the shell (1, through hole (9) that runs through well cavity (10) are seted up in the left side of movable block (8), activity groove (4) inslot swing joint has runs through well cavity (10) and extends to activity chamber (5) inside movable rod (11), and the outside of movable rod (11) has cup jointed baffle (13) that are located well cavity (10) inside, and the outside of movable rod (11) has cup jointed reset spring (14) that are located well cavity (10) inside and are connected with baffle (13) and well cavity (10) intracavity lateral wall, both sides about all inlay on the lateral wall of the relative one side of movable rod (11) and be equipped with rotating block (12) that contact with activity chamber (5) intracavity lateral wall, the left and right sides equal fixedly connected with movable block (15) that are located activity groove (4) in one side of the back of the body of movable rod (11).

2. A long-life lithium battery as claimed in claim 1, characterized in that: the movable cavity (5) is four in total, four the movable cavity (5) divide into about two sets of, a set of two movable cavity (5) are the symmetric distribution, the left and right sides the side of the relative one side in movable cavity (5) intracavity is the inclined plane, both sides about, the inclination on inclined plane is thirty degrees and one hundred fifty degrees respectively.

3. A long-life lithium battery as claimed in claim 1 or 2, characterized in that: the guide cavities (6) are four in number, the guide cavities (6) correspond to the movable cavities (5) one to one, and the width of each guide cavity (6) is larger than that of each movable cavity (5).

4. A long-life lithium battery as claimed in claim 3, characterized in that: the number of the moving grooves (16) is four, the four moving grooves (16) and the four guide cavities (6) are in one-to-one correspondence, and the width of each moving groove (16) is smaller than that of each guide cavity (6).

5. A long-life lithium battery as claimed in claim 1, characterized in that: the movable groove (4) is four in total, four movable groove (4) divide into about two sets of, a set of two movable groove (4) are the symmetric distribution, and movable groove (4) are the rectangular channel, the left and right sides the groove width of the relative one side of movable groove (4) is less than the groove width of the back of the body one side of movable groove (4).

6. A long-life lithium battery as claimed in claim 1, characterized in that: the movable block (8) is a rectangular block, and the width of the movable block (8) is respectively greater than the width of the movable groove (16) and the width of the movable cavity (5).