Lithium battery with charging protection structure

Abstract

The utility model discloses a lithium battery with a charging protection structure, which comprises an equipment shell, and a first buffer component is arranged in the equipment shell and is used for reducing impact; a second buffer assembly is installed in the equipment shell and used for reducing impact, a clamping assembly is installed in the equipment shell and used for cooling the interior of the equipment shell, a clamping assembly is installed at the top of the equipment shell and used for fixing a charging wire, and the clamping assembly comprises a cover plate fixed to the top of the equipment shell. A charging socket is formed in the center of the top of the cover plate, a gear is rotationally connected to the position, located at the charging socket, of the top of the equipment shell, a first rack is slidably connected to the inner wall of the cover plate, a second rack is slidably connected to the interior of the cover plate, the first rack is meshed with the gear, and the second rack is meshed with the gear; according to the utility model, when the lithium battery is charged, the charging wire does not fall off due to accidents, so that the charging efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium battery technical field, concretely is a lithium battery with charge protection structure. BACKGROUND

[0002] Lithium battery is a kind of by lithium metal or lithium alloy as positive / negative electrode material, using non-aqueous electrolyte solution battery, its working principle is based on the movement of lithium ion between positive and negative electrode forms electric current, lithium battery is mainly composed of positive pole, negative pole, electrolyte and diaphragm etc., positive pole material usually uses lithium cobaltate, lithium manganate, lithium iron phosphate and ternary material etc., negative pole material includes two categories of carbon material and non-carbon material, in the charging process, lithium ion is extracted from positive pole material, moves to negative pole through electrolyte and embeds there, when discharging, lithium ion returns to positive pole from negative pole, this process realizes the storage and release of electric energy, mainly used in consumer electronics products, electric vehicle field, industrial energy storage application etc.

[0003] The existing lithium battery has a protection device when charging, the device can protect the lithium battery to a certain extent when charging, prevent the lithium battery from being damaged, but the device often has some problems, the charging wire is not fixed when charging, which can cause the charging wire to fall off due to external factors when charging, affect the normal charging of the lithium battery, secondly, some buffer components are arranged in the protection device, which mainly prevent the lithium battery from self-ignition or explosion when impacted, but the protection device is generally relatively simple, at the same time, the lithium battery also generates heat when charging, if not discharged in time, it will affect the charging speed, therefore, we propose a lithium battery with charge protection structure. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a lithium battery with charge protection structure to solve the problems in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a lithium battery with charge protection structure, including equipment shell, first buffer assembly is installed in the equipment shell, is used for reducing impact, second buffer assembly is installed in the equipment shell, is used for reducing impact, heat dissipation component is installed in the equipment shell, is used for the heat dissipation of equipment shell inside, the top of equipment shell is installed with clamping component, is used for fixing charging wire,

[0006] The clamping assembly comprises a cover plate fixed on the top of the device shell, the top of the cover plate is centrally provided with a charging socket, the top of the device shell is rotationally connected with a gear at the charging socket, the inner wall of the cover plate is slidingly connected with a first rack, the inside of the cover plate is slidingly connected with a second rack, the first rack is engaged with the gear, the second rack is engaged with the gear, the first rack penetrates through the right outer wall of the cover plate, the right outer wall of the cover plate is provided with a hole matched with the first rack, the second rack penetrates through the left outer wall of the cover plate, the left outer wall of the cover plate is provided with a hole matched with the second rack, the left end top of the first rack is fixedly connected with a second connecting block, the rear side of the second connecting block is fixedly connected with a second clamping block, the right end top of the second rack is fixedly connected with a first connecting block, the front side of the first connecting block is fixedly connected with a first clamping block, the second clamping block is attached to the first clamping block, the left end of the first rack is fixedly connected with a second spring, the other end of the second spring is fixedly connected with the inner wall of the cover plate, the right end of the second rack is fixedly connected with a first spring, the other end of the first spring is fixedly connected with the inner wall of the cover plate, the right end of the first rack is fixedly connected with a first pressing block, and the left end of the second rack is fixedly connected with a second pressing block.

[0007] Further, the second buffer assembly comprises two groups of bases symmetrically fixed on the bottom of the device shell, the interiors of the two groups of bases are hollow, the inner walls of the two groups of bases are fixedly connected with third springs at the bottom, the tops of the two groups of third springs are fixedly connected with support rods, the two groups of support rods are sleeved on the inner walls of the bases, the tops of the two groups of support rods are fixedly connected with the same panel, a plurality of groups of first fixing blocks are fixed around the panel, one face of one group of the first fixing blocks is rotationally connected with a first rotating block, and the top of the panel is fixed with a lithium battery.

[0008] Further, the first buffer assembly comprises a plurality of groups of second fixing blocks symmetrically fixed on the inner wall of the device shell, one face of two groups of the second fixing blocks is rotationally connected with a second rotating block, the left side of the second rotating block is fixedly connected with a connecting rod, the left end of the connecting rod is fixedly connected with a fourth spring, the left end of the fourth spring is fixedly connected with a sleeve, and the connecting rod is sleeved in the sleeve.

[0009] Further, the left end of the sleeve is fixedly connected with the first rotating block.

[0010] Further, the inner wall of the device shell is fixedly connected with a heat dissipation fin at the bottom, heat dissipation grooves are formed between the heat dissipation fins, and the top of the device shell is fixedly connected with two groups of positive electrode connectors.

[0011] Further, the heat dissipation assembly comprises a rectangular groove formed at the left end of the device shell, the inner wall of the rectangular groove is fixedly connected with two groups of fans, and the left side of the device shell is fixedly connected with a dustproof net at the rectangular groove.

[0012] Compared with the prior art, the utility model has the advantages that:

[0013] Through setting up equipment shell, clamping assembly etc., when using, second pressing block and first pressing block are pressed by hand, second clamping block and first clamping block move oppositely, then, charging wire is inserted on equipment shell, then, first pressing block and second pressing block are loosened, at this time, second clamping block and first clamping block will tightly clamp charging wire, guarantee that it will not fall off, through above-mentioned design, when charging lithium battery, the wire of charging will not fall off due to accident, improve charging efficiency.

[0014] Through setting up equipment shell, first buffering assembly, second buffering assembly, heat dissipation assembly etc., when using, equipment shell is placed on bottom surface, when equipment shell is impacted, two groups of support rods at bottom are compressed downward, simultaneously, panel moves downward and pulls sleeve around, then, impact force is offset, lithium battery is greatly protected, when charging, two groups of fans inside are started, heat inside equipment shell is absorbed by fin, then, is discharged from inside equipment shell, and heat dissipation groove is arranged between fin, can greatly increase heat dissipation efficiency, through above-mentioned design, the effect of quick heat dissipation and shock absorption is realized. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is three-dimensional structure schematic diagram of the utility model;

[0016] Fig. 2 It is clamping assembly expansion structure schematic diagram of the utility model;

[0017] Fig. 3 It is equipment shell internal structure schematic diagram of the utility model;

[0018] Fig. 4 It is first buffering assembly expansion structure schematic diagram of the utility model;

[0019] Fig. 5 It is second buffering assembly expansion structure schematic diagram of the utility model;

[0020] Fig. 6 It is first local expansion structure schematic diagram of the utility model;

[0021] Fig. 7 It is heat dissipation assembly expansion structure schematic diagram of the utility model.

[0022] In the figure: 1, the device shell; 2, clamping assembly; 3, heat dissipation assembly; 4, positive (negative) level joint; 5, cover plate; 6, charging socket; 7, first rack; 8, first pressing block; 9, lithium battery; 10, first clamp block; 11, first spring; 12, first connecting block; 13, gear; 14, second rack; 16, second pressing block; 17, second spring; 18, second clamp block; 19, second connecting block; 20, first buffer assembly; 21, second buffer assembly; 22, fin; 23, base; 24, third spring; 25, support rod; 26, panel; 27, heat dissipation groove; 28, rectangular groove; 29, fan; 30, first fixed block; 31, first rotating block; 32, sleeve; 33, fourth spring; 34, connecting rod; 35, second rotating block; 36, second fixed block. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0024] Please refer to Figs. 1-7 A lithium battery with a charging protection structure comprises a device shell 1.

[0025] When charging the lithium battery 9, first take out the lithium battery 9 together with the external device shell 1, place the device shell 1 on the ground, ensure that it is placed horizontally, then insert the charging line into the top of the device shell 1 to charge the lithium battery 9 inside the device shell 1. When charging, the device shell 1 should be in a safe environment to avoid accidents.

[0026] In this embodiment, the top of the device shell 1 is provided with a clamping assembly 2 for fixing the charging line, the clamping assembly 2 comprises a cover plate 5 fixed on the top of the device shell 1, the top of the cover plate 5 is centrally provided with a charging socket 6, the top of the device shell 1 is rotatably connected with a gear 13 at the charging socket 6, the inner wall of the cover plate 5 is slidably connected with a first rack 7, the inside of the cover plate 5 is slidably connected with a second rack 14, the first rack 7 is engaged with the gear 13, the second rack 14 is engaged with the gear 13, the first rack 7 penetrates through the right outer wall of the cover plate 5, the right outer wall of the cover plate 5 is provided with a hole matched with the first rack 7, the second rack 14 penetrates through the left outer wall of the cover plate 5, the left outer wall of the cover plate 5 is provided with a hole matched with the second rack 14, the left end of the first rack 7 is fixedly connected with a second connecting block 19, the rear side of the second connecting block 19 is fixedly connected with a second clamping block 18, the right end of the second rack 14 is fixedly connected with a first connecting block 12, the front side of the first connecting block 12 is fixedly connected with a first clamping block 10, the second clamping block 18 is attached to the first clamping block 10, the left end of the first rack 7 is fixedly connected with a second spring 17, the other end of the second spring 17 is fixedly connected with the inner wall of the cover plate 5, the right end of the second rack 14 is fixedly connected with a first spring 11, the other end of the first spring 11 is fixedly connected with the inner wall of the cover plate 5, the right end of the first rack 7 is fixedly connected with a first pressing block 8, the left end of the second rack 14 is fixedly connected with a second pressing block 16;

[0027] Specifically, when the lithium battery 9 needs to be charged, at this time, the first pressing block 8 and the second pressing block 16 are pressed by hands, so that the second clamping block 18 and the first clamping block 10 move in opposite directions, here the opposite movement means that they respectively move in the same direction as the fixed rack, when the second clamping block 18 and the first clamping block 10 move in opposite directions, the charging port will be opened at this time, the charging line is inserted into the device shell 1, and the lithium battery 9 is charged, after ensuring the stability of the connection, the first pressing block 8 and the second pressing block 16 are released at this time, under the rebound force of the second spring 17 and the first spring 11, the second clamping block 18 and the first clamping block 10 will tightly clamp the charging line to avoid falling off, at the same time, this design can also prevent the charging line from falling off due to other factors, thereby affecting the normal charging of the lithium battery 9, when the lithium battery 9 is charging, it will generate heat, at this time, the heat dissipation assembly 3 inside the device shell 1 will start to dissipate heat inside the device shell 1, to ensure the normal charging temperature of the lithium battery 9;

[0028] In the above, the heat dissipation assembly 3 comprises a rectangular groove 28 provided at the left end of the device shell 1, two groups of fans 29 are fixed on the inner wall of the rectangular groove 28, a dust screen is fixed on the left side of the device shell 1 at the rectangular groove 28, a heat sink 22 is fixed on the inner wall of the device shell 1, a heat dissipation groove 27 is provided between the heat sinks 22, and two groups of positive and negative terminals 4 are fixed on the top of the device shell 1;

[0029] After the temperature inside the device shell 1 reaches the critical point, at this time the two groups of fans 29 inside the device shell 1 will start, it should be noted here that the inside of the device shell 1 is provided with the heat sink 22, the heat sink 22 absorbs the heat emitted by the lithium battery 9 during charging, and then the heat is discharged through the two groups of fans 29, at the same time, the heat sink 22 is provided with a heat dissipation groove 27, which mainly compresses the space, so that the heat dissipation effect inside the device shell 1 is increased, ensuring that the lithium battery 9 is in the appropriate conditions during charging;

[0030] It is supplemented that the second buffer assembly 21 includes two groups of bases 23 symmetrically fixed on the bottom of the device shell 1, both of which are hollow inside, the inner wall of the two groups of bases 23 is fixedly connected with the third spring 24 at the bottom, the top of the two groups of third springs 24 is fixedly connected with the support rod 25, the two groups of support rods 25 are sleeved on the inner wall of the base 23, the top of the two groups of support rods 25 is fixedly connected with the same panel 26, a plurality of groups of first fixing blocks 30 are symmetrically fixed around the panel 26, one side of a group of first fixing blocks 30 is rotatably connected with the first rotating block 31, the top of the panel 26 is fixed with the lithium battery 9, the first buffer assembly 20 includes a plurality of groups of second fixing blocks 36 symmetrically fixed on the inner wall of the device shell 1, the opposite side of the two groups of second fixing blocks 36 is rotatably connected with the second rotating block 35, the left side of the second rotating block 35 is fixedly connected with the connecting rod 34, the left end of the connecting rod 34 is fixedly connected with the fourth spring 33, the left end of the fourth spring 33 is fixedly connected with the sleeve 32, and the connecting rod 34 is sleeved in the sleeve 32;

[0031] When the device shell 1 is impacted during charging, a plurality of groups of sleeves 32 around the panel 26 will be stretched at this time, and the sleeve 32 is rotatable, and the fourth spring 33 and the connecting rod 34 are sleeved in the sleeve 32, so that the reaction force is generated when it is lifted, and at the same time the two groups of support rods 25 at the bottom of the panel 26 will move downward, thereby compressing the third spring 24 and absorbing the impact force, thereby protecting the lithium battery 9, it should be noted here that when the lithium battery 9 is placed on the panel 26, the lithium battery 9 itself has a certain weight, therefore the panel 26 will move downward a certain distance, when the impact force ends, the lithium battery 9 will return to the initial state and continue to charge with the rebound of the third spring 24 and the fourth spring 33.

[0032] Working principle: when the lithium battery 9 needs to be charged, at this time, by hand pressing the first pressing block 8 and the second pressing block 16, the second clamping block 18 and the first clamping block 10 move in opposite directions, here the opposite movement refers to the same movement direction of the fixed rack respectively, when the second clamping block 18 and the first clamping block 10 move in opposite directions, the charging port will be opened at this time, the charging line is inserted into the equipment shell 1, the lithium battery 9 is charged, after ensuring the stability of the connection, the first pressing block 8 and the second pressing block 16 are released at this time, under the rebound force of the second spring 17 and the first spring 11, the second clamping block 18 and the first clamping block 10 will tightly clamp the charging line to avoid falling off, at the same time, the design can also prevent the charging line from falling off due to other factors, thereby affecting the normal charging of the lithium battery 9, when the lithium battery 9 is charging, it will generate heat, at this time, the heat dissipation component 3 inside the equipment shell 1 will start to dissipate heat inside the equipment shell 1, ensuring that the charging temperature of the lithium battery 9 is normal.

[0033] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A lithium battery with a charge protection structure, comprising a device housing (1), characterized in that: The device shell (1) is internally provided with a first buffering assembly (20) for reducing impact, a second buffering assembly (21) for reducing impact, and a heat dissipation assembly (3) for dissipating heat inside the device shell (1); a clamping assembly (2) is mounted on the top of the device shell (1) for fixing the charging line; The clamping assembly (2) comprises a cover plate (5) fixed on the top of the device shell (1), a charging socket (6) is formed in the center of the top of the cover plate (5), a gear (13) is rotatably connected to the top of the device shell (1) at the charging socket (6), a first rack (7) is slidably connected to the inner wall of the cover plate (5), a second rack (14) is slidably connected to the inside of the cover plate (5), the first rack (7) is engaged with the gear (13), the second rack (14) is engaged with the gear (13), the first rack (7) penetrates through the right outer wall of the cover plate (5), a hole adapted to the first rack (7) is formed in the right outer wall of the cover plate (5), the second rack (14) penetrates through the left outer wall of the cover plate (5), a hole adapted to the second rack (14) is formed in the left outer wall of the cover plate (5), a second connecting block (19) is fixedly connected to the top of the left end of the first rack (7), a second clamping block (18) is fixedly connected to the rear side of the second connecting block (19), a first connecting block (12) is fixedly connected to the top of the right end of the second rack (14), a first clamping block (10) is fixedly connected to the front side of the first connecting block (12), the second clamping block (18) is attached to the first clamping block (10), a second spring (17) is fixedly connected to the left end of the first rack (7), the other end of the second spring (17) is fixedly connected to the inner wall of the cover plate (5), a first spring (11) is fixedly connected to the right end of the second rack (14), the other end of the first spring (11) is fixedly connected to the inner wall of the cover plate (5), a first pressing block (8) is fixedly connected to the right end of the first rack (7), a second pressing block (16) is fixedly connected to the left end of the second rack (14).

2. The lithium battery with a charging protection structure according to claim 1, characterized in that: The second buffering assembly (21) comprises two groups of bases (23) symmetrically fixed on the bottom of the device shell (1), the interiors of the two groups of bases (23) are hollow, the bottoms of the inner walls of the two groups of bases (23) are fixedly connected with third springs (24), the tops of the two groups of third springs (24) are fixedly connected with support rods (25), the two groups of support rods (25) are sleeved on the inner walls of the bases (23), the tops of the two groups of support rods (25) are fixedly connected with the same panel (26), a plurality of groups of first fixing blocks (30) are fixed around the panel (26), a first rotating block (31) is rotatably connected to one side of each group of first fixing blocks (30), and a lithium battery (9) is fixed to the top of the panel (26).

3. The lithium battery with a charge protection structure according to claim 1, wherein: The first buffer assembly (20) comprises a plurality of groups of second fixing blocks (36) symmetrically fixed on the inner wall of the equipment shell (1), the opposite faces of two groups of the second fixing blocks (36) are rotationally connected with second rotating blocks (35), the left side of the second rotating block (35) is fixedly connected with a connecting rod (34), the left end of the connecting rod (34) is fixedly connected with a fourth spring (33), the left end of the fourth spring (33) is fixedly connected with a sleeve (32), and the connecting rod (34) is sleeved in the sleeve (32).

4. The lithium battery with the charge protection structure according to claim 3, characterized in that: The left end of the sleeve (32) is fixedly connected with a first rotating block (31).

5. The lithium battery with a charge protection structure according to claim 1, wherein: The inner wall bottom of the equipment shell (1) is fixedly connected with a plurality of groups of heat dissipation fins (22), heat dissipation grooves (27) are formed between the heat dissipation fins (22), and the top of the equipment shell (1) is fixedly connected with two groups of positive (negative) level connectors (4).

6. The lithium battery with a charge protection structure according to claim 1, wherein: The heat dissipation assembly (3) comprises a rectangular groove (28) formed in the left end of the equipment shell (1), the inner wall of the rectangular groove (28) is fixedly connected with two groups of fans (29), and the left side of the equipment shell (1) is fixedly connected with a dustproof net at the rectangular groove (28).

Images