CN218039633U

CN218039633U - Anti-deformation lithium ion battery

Info

Publication number: CN218039633U
Application number: CN202222136412.0U
Authority: CN
Inventors: 李泽宇
Original assignee: Dongguan Kingnair Energy Technology Co ltd
Current assignee: Dongguan Kingnair Energy Technology Co ltd
Priority date: 2022-08-15
Filing date: 2022-08-15
Publication date: 2022-12-13
Anticipated expiration: 2032-08-15

Abstract

The utility model belongs to the technical field of lithium ion batteries, in particular to an anti-deformation lithium ion battery, which comprises a shell, wherein the top of the shell is provided with a cover body, one side of the shell is provided with an electrode hole, the inside of the electrode hole is fixedly connected with a sealing ring, the top of the cover body is provided with a buckling groove, the inside of the shell is fixedly connected with a battery body, the two sides of the top of the shell are fixedly connected with sealing rings, the two sides of the inside of the shell are provided with clamping grooves, the clamping grooves are positioned at the top side of the battery body, and a protection plate is arranged inside the shell; the damage of external acting force to the battery body is reduced through the protection mechanism, the buffering effect can be improved through the buffering piece, the abrasion between the fixing plate and the protection plate can be reduced through the rubber pad, the service life of the protection plate and the fixing plate is prolonged, the damage of the acting force to the battery body can be reduced through the buffering mechanism, the bag body can be prevented from being broken through the arrangement of the elastic material, and the service life of the bag body is prolonged.

Description

Anti-deformation lithium ion battery

Technical Field

The utility model relates to a lithium ion battery technical field specifically is a shape lithium ion battery preapres for an unfavorable turn of events.

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. During charging and discharging, li + is inserted and extracted back and forth between two electrodes: during 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 for discharge. In 2019, 10 and 9, the royal academy of sciences in sweden announces that the nobel chemical award in 2019 was awarded to john gudinafv, stanley, whiting elmer and jimaotan to show the contributions they made in the field of lithium ion battery development.

The existing anti-deformation lithium ion battery is always subjected to acting forces in different directions when in use, so that the battery is deformed and damaged, and the service life of the battery is further shortened; therefore, the deformation-preventing lithium ion battery is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

In order to remedy the not enough of prior art, solved and often can receive the effort of various not equidirectionals when using to make the battery warp the damage, and then make the problem that the life of battery reduces, the utility model provides a shape lithium ion battery preapres for an unfavorable turn of events.

The utility model provides a technical scheme that its technical problem adopted is: an anti-deformation lithium ion battery, which comprises a housin, the top of casing is provided with the lid, the electrode hole has been seted up to one side of casing, the inside fixedly connected with sealing ring in electrode hole, the catching groove has been seted up at the top of lid, the inside fixedly connected with battery body of casing, the top both sides fixedly connected with sealing washer of casing, the draw-in groove has been seted up to the inside both sides of casing, the draw-in groove is located the top side of battery body, the guard plate has been placed to the inside of casing, the guard plate is located the top and the bottom of battery body, the inside both sides fixed connection of casing is in the limiting plate, the limiting plate is located one side of guard plate, the bottom of lid is provided with protection machanism, the bottom both sides fixedly connected with cardboard of lid, cardboard and the mutual joint of draw-in groove can make to be connected between casing and the lid through the setting of draw-in groove and cardboard, utilize the sealing washer can seal the gap between casing and the lid to can seal the seam between utmost point ear and the electrode hole through the sealing ring to external water seal has damaged the inside of casing through the gap entering into the battery body, can reduce the external elasticity through the connecting plate on the external battery body, the external impact of protection machanism, prevent the direct protection plate.

Preferably, the inside both sides fixedly connected with connecting plate of casing, the connecting plate is located the bottom side of battery body, two common fixedly connected with flexure strip between the connecting plate, be provided with buffer gear between the top of connecting plate and the guard plate jointly.

Preferably, the protection machanism includes the mounting panel, the top fixed connection of mounting panel is in the bottom of lid, the bottom fixedly connected with buffer chip of mounting panel, the bottom fixedly connected with fixed plate of buffer chip.

Preferably, the top both sides fixedly connected with sleeve of fixed plate, telescopic inside elastic connection has the spring, the top fixedly connected with loop bar of spring, telescopic inside is located to the bottom cover of loop bar, the top fixed connection of loop bar is in the bottom of lid.

Preferably, the bottom fixedly connected with rubber pad of fixed plate, the bottom of rubber pad and the top butt of guard plate, carry out the during operation through protection machanism, external effort is to the surface of lid, carry out the interact between the loop bar through the lid bottom and the sleeve on the fixed plate, and make the effort between loop bar and the sleeve obtain the buffering through the effect of spring, and then make the effort of external effort on the fixed plate cushion, thereby make the fixed plate use the power on the battery body reduce, the injury of external effort to the battery body has been reduced, can improve the buffering effect through the buffer plate, and can reduce the wearing and tearing between fixed plate and the guard plate through the rubber pad, the life-span when having improved guard plate and fixed plate.

Preferably, buffer gear includes the utricule, the top and the bottom fixedly connected with fixing base of utricule, one of them the top of fixing base and the bottom fixed connection of guard plate, another the bottom of fixing base and the top fixed connection of connecting plate, the inside packing of utricule has elastic material, can slow down the damage of effort to the battery body through buffer gear, when the bottom of external effort to the casing, can play the power between connecting plate and the guard plate through the utricule between the fixing base, and then can reduce the injury of external power to the battery body, can prevent that the utricule from breaking through elastic material's setting, improved the life of utricule.

The utility model discloses an useful part lies in:

1. the utility model discloses a protection machanism, the surface of lid is arrived in external effort, carry out the activity each other between the sleeve on the loop bar and the fixed plate through the lid bottom, and make the effort between loop bar and the sleeve obtain the buffering through the effect of spring, and then make the effort of external effort to the power on the fixed plate to get the power buffering, thereby make the power that the fixed plate was used on the battery body reduce, the injury of external effort to the battery body has been reduced, can improve buffering effect through the buffer plate, and can reduce the wearing and tearing between fixed plate and the guard plate through the rubber pad, life-span when guard plate and fixed plate has been improved.

2. The utility model discloses a buffer gear can slow down the damage of effort to battery body through buffer gear, when the bottom of external effort to the casing, can play the power between connecting plate and guard plate through the utricule between the fixing base, and then can reduce the injury of external power to battery body, can prevent through elastic material's setting that the utricule from breaking, has improved the life of utricule.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

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

FIG. 2 is an exploded view of the cover and the housing of the present invention;

FIG. 3 is an overall front sectional view of the present invention;

FIG. 4 is a schematic view of the protection mechanism of the present invention;

FIG. 5 is a schematic view of the buffering mechanism of the present invention;

fig. 6 is an enlarged view of a portion a in fig. 5 according to the present invention.

In the figure: 1. a housing; 2. a cover body; 3. a seal ring; 4. buckling grooves; 5. a battery body; 6. a seal ring; 7. a card slot; 8. a protection plate; 9. a limiting plate; 10. a protection mechanism; 101. mounting a plate; 102. a buffer sheet; 103. a fixing plate; 104. a sleeve; 105. a spring; 106. a loop bar; 107. a rubber pad; 11. clamping a plate; 12. a connecting plate; 13. an elastic sheet; 14. a buffer mechanism; 141. a capsule body; 142. a fixed seat; 143. an elastic material; 15. a protective pad.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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 of 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.

Example one

Please refer to fig. 1-5, an anti-deformation lithium ion battery, including a housing 1, a cover 2 is disposed at the top of the housing 1, an electrode hole is formed at one side of the housing 1, a sealing ring 3 is fixedly connected to the inside of the electrode hole, a fastening groove 4 is formed at the top of the cover 2, a battery body 5 is fixedly connected to the inside of the housing 1, a sealing ring 6 is fixedly connected to both sides of the top of the housing 1, a fastening groove 7 is formed at both sides of the inside of the housing 1, a protection plate 8 is disposed inside the housing 1, the protection plate 8 is disposed at the top and the bottom of the battery body 5, the sealing ring 6 is fixedly connected to a limiting plate 9, the limiting plate 9 is disposed at one side of the protection plate 8, a protection mechanism 10 is disposed at the bottom of the cover 2, a clamping plate 11 is fixedly connected to both sides of the bottom of the cover 2, the clamping plate 11 is mutually clamped to the clamping groove 7, the housing 1 and the cover 2 can be connected to each other by the arrangement of the clamping groove 7 and the clamping plate 11, the sealing ring 6 can seal a gap between the housing 1 and the cover 2, and can reduce the external impact on the battery body 5, and the battery body 5 can reduce the external connection plate 12.

Wherein, the inside both sides fixedly connected with connecting plate 12 of casing 1, connecting plate 12 are located the bottom side of battery body 5, and common fixedly connected with flexure strip 13 between two connecting plates 12 is provided with buffer gear 14 between the top of connecting plate 12 and guard plate 8 jointly.

Wherein, protection machanism 10 includes mounting panel 101, and the top fixed connection of mounting panel 101 is in the bottom of lid 2, and the bottom fixedly connected with buffer chip 102 of mounting panel 101, the bottom fixedly connected with fixed plate 103 of buffer chip 102.

Wherein, the top both sides fixedly connected with sleeve 104 of fixed plate 103, the inside elastic connection of sleeve 104 has spring 105, the top fixedly connected with loop bar 106 of spring 105, the inside of sleeve 104 is located to the bottom cover of loop bar 106, the top fixed connection of loop bar 106 in the bottom of lid 2.

Wherein, the bottom fixedly connected with rubber pad 107 of fixed plate 103, the bottom of rubber pad 107 and the top butt of guard plate 8, carry out the during operation through protection machanism 10, external effort is to the surface of lid 2, carry out the interact between loop bar 106 through lid 2 bottom and the sleeve 104 on the fixed plate 103, and make the effort between loop bar 106 and the sleeve 104 obtain buffering through the effect of spring 105, and then make the effort of external effort to the power buffering on the fixed plate 103, thereby make the power that the fixed plate 103 was used on battery body 5 reduce, the injury of external effort to battery body 5 has been reduced, can improve buffering effect through buffer plate 102, and can reduce the wearing and tearing between fixed plate 103 and the guard plate 8 through rubber pad 107, the life-span when guard plate 8 and fixed plate 103 have been improved.

Wherein, buffer gear 14 includes utricule 141, utricule 141's top and bottom fixedly connected with fixing base 142, the top of one of them fixing base 142 and the bottom fixed connection of guard plate 8, the bottom of another fixing base 142 and the top fixed connection of connecting plate 12, utricule 141's inside packing has elastic material 143, can slow down the damage of effort to battery body 5 through buffer gear 14, when the bottom of casing 1 is acted on to external effort, can play the power to between connecting plate 12 and the guard plate 8 through utricule 141 between the fixing base 142, and then can reduce the injury of external power to battery body 5, can prevent utricule 141 rupture through elastic material's setting, the life of utricule 141 has been improved.

Example two

Referring to fig. 6, as another embodiment of the present invention, in the first comparative example, a protection pad 15 is fixedly connected to the top of the elastic sheet 13, and the protection pad 15 can prevent friction damage between the elastic sheet 13 and the protection plate 8, so as to improve the protection force between the elastic sheet 13 and the protection plate 8 and prolong the service life of the elastic sheet 13 and the protection plate 8.

The working principle is as follows: the shell 1 and the cover body 2 can be connected through the arrangement of the clamping groove 7 and the clamping plate 11, a gap between the shell 1 and the cover body 2 can be sealed by the sealing ring 6, a gap between a lug and an electrode hole can be sealed by the sealing ring 3, an external water seal is prevented from entering the shell 1 through the gap to damage the battery body 5, the top and the bottom of the battery body 5 can be protected through the protection plate 8, the damage of external force to the battery body 5 is reduced through the protection mechanism 10, the impact force of the external force to the battery body 5 can be reduced through the buffer mechanism 14, and the elastic sheet 13 on the connecting plate 12 is prevented from immediately and directly acting on the surface of the battery body 5;

when the protection mechanism 10 works, external force acts on the surface of the cover body 2, the sleeve rod 106 at the bottom of the cover body 2 and the sleeve 104 on the fixing plate 103 move relative to each other, acting force between the sleeve rod 106 and the sleeve 104 is buffered under the action of the spring 105, and further the force acting on the fixing plate 103 is buffered, so that the force acting on the battery body 5 by the fixing plate 103 is reduced, the damage of the external acting force to the battery body 5 is reduced, the buffering effect can be improved through the buffering sheet 102, the abrasion between the fixing plate 103 and the protection plate 8 can be reduced through the rubber pad 107, and the service lives of the protection plate 8 and the fixing plate 103 are prolonged;

can slow down the damage of effort to battery body 5 through buffer gear 14, when the bottom of casing 1 is acted on to the effort in the external world, can play the power between connecting plate 12 and guard plate 8 through utricule 141 between the fixing base 142, and then can reduce the injury of external power to battery body 5, can prevent through elastic material's setting that utricule 141 from breaking, improved utricule 141's life.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing shows and describes the basic principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides a shape lithium ion battery of preapring for an unfavorable turn of events, includes casing (1), its characterized in that: the utility model discloses a battery protection device, including casing (1), catching groove (4), guard plate (8) have been placed to the inside fixedly connected with sealing ring (6) in top both sides of casing (1), draw-in groove (7) have been seted up to the inside both sides of casing (1), draw-in groove (7) have been located the top side of battery (5) in draw-in groove (7), guard plate (8) have been placed to the inside of casing (1), guard plate (8) are located the top and the bottom of battery (5), the inside both sides fixed connection of casing (1) is in limiting plate (9), limiting plate (9) are located one side of guard plate (8), the bottom of lid (2) is provided with protection machanism (10), the bottom both sides fixedly connected with cardboard (11) of lid (2), cardboard (11) and the mutual joint of draw-in groove (7).

2. The deformation-preventing lithium ion battery of claim 1, which is characterized in that: the battery is characterized in that connecting plates (12) are fixedly connected to two sides of the interior of the shell (1), the connecting plates (12) are located on the bottom side of the battery body (5), elastic sheets (13) are fixedly connected between the two connecting plates (12) together, and a buffer mechanism (14) is arranged between the top of each connecting plate (12) and the protection plate (8) together.

3. The deformation-preventing lithium ion battery of claim 1, which is characterized in that: protection machanism (10) are including mounting panel (101), the top fixed connection of mounting panel (101) is in the bottom of lid (2), the bottom fixedly connected with buffer plate (102) of mounting panel (101), the bottom fixedly connected with fixed plate (103) of buffer plate (102).

4. The deformation-preventing lithium ion battery of claim 3, characterized in that: the utility model discloses a portable electronic device, including fixed plate (103), the inside elastic connection of sleeve (104) has spring (105), the top fixedly connected with loop bar (106) of spring (105), the inside of sleeve (104) is located to the bottom cover of loop bar (106), the top fixed connection of loop bar (106) is in the bottom of lid (2).

5. The deformation-preventing lithium ion battery of claim 3, which is characterized in that: the bottom fixedly connected with rubber pad (107) of fixed plate (103), the top butt of the bottom and guard plate (8) of rubber pad (107).

6. The deformation-preventing lithium ion battery of claim 2, wherein: the buffering mechanism (14) comprises a bag body (141), fixing seats (142) are fixedly connected to the top and the bottom of the bag body (141), the top of one fixing seat (142) is fixedly connected to the bottom of the protection plate (8), the bottom of the other fixing seat (142) is fixedly connected to the top of the connecting plate (12), and an elastic material (143) is filled in the bag body (141).